/* roulang page: index */
:root{
  --c-primary:#0E9E7E;
  --c-primary-dark:#0A7A61;
  --c-primary-deep:#06322A;
  --c-lime:#C7F24C;
  --c-orange:#FF7A45;
  --c-bg:#F7F8F4;
  --c-card:#FFFFFF;
  --c-border:#E3E8E1;
  --c-text:#101A17;
  --c-muted:#5A6B65;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh-soft:0 1px 2px rgba(6,50,42,.06);
  --sh-lift:0 16px 40px rgba(6,50,42,.12);
  --grad-brand:linear-gradient(120deg,#0E9E7E 0%,#3ED2A3 55%,#C7F24C 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.2;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--c-muted)}
.small{font-size:14px;line-height:1.7;color:var(--c-muted)}
.tiny{font-size:13px;line-height:1.7;color:var(--c-muted)}
.num{font-variant-numeric:tabular-nums;font-weight:700}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-primary-dark);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-lime)}
.sec-head{max-width:720px}
.sec-head h2{margin-bottom:12px}
.text-grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,248,244,.92);backdrop-filter:blur(10px);transition:box-shadow .2s var(--ease),border-color .2s var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{border-bottom:1px solid var(--c-border);box-shadow:var(--sh-soft)}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav-side{display:none;align-items:center;gap:6px}
@media (min-width:1024px){.nav-side{display:flex}}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:999px;font-size:15px;color:var(--c-muted);transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link:hover{color:var(--c-primary-dark);background:rgba(14,158,126,.08)}
.nav-link.active{color:var(--c-text);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;background:var(--c-lime)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:var(--c-primary-deep);font-size:15px;font-weight:800;flex:none}
.brand-text{display:none}
@media (min-width:640px){.brand-text{display:inline}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),opacity .2s var(--ease)}
.btn-primary{background:var(--grad-brand);color:var(--c-primary-deep);box-shadow:0 6px 18px rgba(14,158,126,.25)}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(14,158,126,.32)}
.btn-primary:active{transform:translateY(-3px)}
.btn-ghost{border:1.5px solid var(--c-primary);color:var(--c-primary-dark);background:transparent}
.btn-ghost:hover{background:rgba(14,158,126,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;box-shadow:none;transform:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.burger{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);background:#fff}
@media (min-width:1024px){.burger{display:none}}
.burger span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.mobile-panel{display:none;border-top:1px solid var(--c-border);background:#fff;padding:12px 0 20px}
.mobile-panel.open{display:block}
.mobile-panel a.m-item{display:flex;align-items:center;height:52px;padding:0 20px;font-size:16px;color:var(--c-text);border-bottom:1px solid var(--c-border)}
.mobile-panel a.m-item.active{color:var(--c-primary-dark);font-weight:600;background:rgba(14,158,126,.06)}
.mobile-panel .m-cta{margin:16px 20px 0}

/* hero */
.hero{position:relative;overflow:hidden;padding:56px 0 72px;background:linear-gradient(180deg,#FFFFFF 0%,#F7F8F4 100%)}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.07}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;background:radial-gradient(circle,rgba(199,242,76,.35) 0%,rgba(199,242,76,0) 70%)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;gap:40px}
@media (min-width:1024px){.hero-grid{grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;min-height:520px}}
.hero-copy{grid-column:span 12}
@media (min-width:1024px){.hero-copy{grid-column:span 6}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--c-border);background:#fff;font-size:13px;color:var(--c-primary-dark);box-shadow:var(--sh-soft)}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-lime)}
.hero h1{margin:18px 0 16px}
.hero .lead{max-width:560px;font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 24px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:var(--c-muted)}
.trust-row span{display:inline-flex;align-items:center;gap:8px}
.trust-row span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
.hero-panel{grid-column:span 12;position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:320px;display:flex;box-shadow:var(--sh-lift)}
@media (min-width:1024px){.hero-panel{grid-column:7 / span 5}}
.hero-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-panel-mask{position:absolute;inset:0;background:linear-gradient(160deg,rgba(6,50,42,.86) 0%,rgba(6,50,42,.78) 55%,rgba(10,122,97,.72) 100%)}
.hero-panel-body{position:relative;z-index:2;padding:28px;display:flex;flex-direction:column;gap:18px;width:100%;color:#fff}
.hero-panel-body h3{font-size:18px;color:#fff}
.hero-panel-body .small{color:rgba(255,255,255,.78)}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.data-badge{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 12px;border-radius:999px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);font-size:13px;color:#fff;white-space:nowrap}
.data-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-lime);flex:none}
.data-badge b{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.data-badge small{font-size:12px;opacity:.8}
.panel-list{display:grid;gap:10px;margin-top:auto}
.panel-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.9)}
.panel-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--c-lime);margin-top:9px}

/* ask cards */
.ask-grid{display:grid;gap:16px;margin-top:36px}
@media (min-width:640px){.ask-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.ask-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.ask-card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-soft);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.ask-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:rgba(14,158,126,.35)}
.ask-mark{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(14,158,126,.1);color:var(--c-primary-dark);font-weight:800;font-size:18px;margin-bottom:14px}
.ask-card p{margin-top:8px}

/* solution grid */
.sol-grid{display:grid;gap:20px;margin-top:36px}
@media (min-width:1024px){.sol-grid{grid-template-columns:repeat(12,1fr);gap:24px}}
.sol-card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-soft);display:flex;flex-direction:column;gap:14px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);position:relative}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:rgba(14,158,126,.35)}
@media (min-width:1024px){.sol-card{padding:32px}}
.sol-card .media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:var(--c-bg)}
.sol-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.sol-card:hover .media img{transform:scale(1.04)}
@media (min-width:1024px){
  .col-7{grid-column:span 7}
  .col-5{grid-column:span 5}
  .col-4{grid-column:span 4}
}
.card-link{position:absolute;inset:0;z-index:3;border-radius:inherit}
.sol-card h3{transition:color .2s var(--ease)}
.sol-card:hover h3{color:var(--c-primary-dark)}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:rgba(14,158,126,.1);color:var(--c-primary-dark);font-size:12px;font-weight:600}
.tag-lime{background:rgba(199,242,76,.35);color:#3C4A08}
.ticks{display:grid;gap:8px;margin-top:4px}
.ticks li{position:relative;padding-left:22px;font-size:14.5px;color:var(--c-muted)}
.ticks li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:2px;border-radius:2px;background:var(--c-primary)}

/* stat band */
.stat-band{background:var(--grad-brand);border-radius:var(--r-lg);padding:32px 24px;display:grid;gap:24px;position:relative;overflow:hidden}
.stat-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.18)}
@media (min-width:768px){.stat-band{grid-template-columns:repeat(4,1fr);padding:36px 40px}}
.stat-band-item{position:relative;z-index:2;color:var(--c-primary-deep)}
.stat-band-item .v{font-size:32px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-band-item .u{font-size:12px;font-weight:600;opacity:.75;margin-left:4px}
.stat-band-item .d{font-size:14px;margin-top:6px}
.stat-band-item .m{font-size:12px;opacity:.7;margin-top:2px}

/* news */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.news-more{font-size:15px;font-weight:600;color:var(--c-primary-dark);border-bottom:2px solid var(--c-lime);padding-bottom:2px;transition:color .2s var(--ease)}
.news-more:hover{color:var(--c-primary)}
.news-main{display:grid;gap:0;background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-soft);margin-top:32px;position:relative;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.news-main:hover{transform:translateY(-4px);box-shadow:var(--sh-lift)}
@media (min-width:768px){.news-main{grid-template-columns:1.05fr 1fr}}
.news-main .media{aspect-ratio:16/9;overflow:hidden}
.news-main .media img{width:100%;height:100%;object-fit:cover}
.news-main .body{padding:28px;display:flex;flex-direction:column;gap:12px}
.news-main h3{font-size:22px;line-height:1.45}
.news-sub{display:grid;gap:20px;margin-top:24px}
@media (min-width:640px){.news-sub{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-sub{grid-template-columns:repeat(3,1fr);gap:24px}}
.news-card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-soft);position:relative;display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:rgba(14,158,126,.3)}
.news-card .media{aspect-ratio:16/9;overflow:hidden}
.news-card .media img{width:100%;height:100%;object-fit:cover}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s var(--ease)}
.news-card:hover h3{color:var(--c-primary-dark)}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--c-muted);margin-top:auto}
.meta-row .sep{width:3px;height:3px;border-radius:50%;background:var(--c-border)}
.empty-box{border:1.5px dashed var(--c-border);border-radius:var(--r-lg);background:#fff;padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:32px}
.empty-icon{width:52px;height:52px;border-radius:50%;border:1.5px solid var(--c-border);display:grid;place-items:center;color:var(--c-primary);font-size:22px}
.empty-box .btn{margin-top:6px}

/* faq */
.faq-wrap{margin-top:32px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-soft)}
.faq-item{border-bottom:1px solid var(--c-border)}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:16px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);transition:background .2s var(--ease),color .2s var(--ease)}
.faq-q:hover{background:rgba(14,158,126,.05);color:var(--c-primary-dark)}
.faq-icon{flex:none;width:20px;height:20px;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary-dark);border-radius:2px;transition:transform .25s var(--ease)}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-muted);max-width:900px}
.faq-item.open .faq-a{max-height:320px}

/* contact */
.contact-grid{display:grid;gap:32px;margin-top:32px}
@media (min-width:1024px){.contact-grid{grid-template-columns:repeat(12,1fr);gap:24px}}
.contact-copy{grid-column:span 12}
@media (min-width:1024px){.contact-copy{grid-column:span 5}}
.contact-card{grid-column:span 12;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-soft)}
@media (min-width:1024px){.contact-card{grid-column:span 7;padding:32px}}
.point-list{display:grid;gap:16px;margin-top:24px}
.point-list li{display:flex;gap:12px;align-items:flex-start}
.point-num{flex:none;width:28px;height:28px;border-radius:9px;background:rgba(199,242,76,.4);color:#3C4A08;display:grid;place-items:center;font-size:13px;font-weight:700}
.field{display:grid;gap:8px;margin-bottom:16px}
.field label{font-size:14px;font-weight:600}
.field .req{color:var(--c-orange)}
.field input,.field select,.field textarea{width:100%;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-sm);padding:12px 14px;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,158,126,.08)}
.field textarea{min-height:112px;resize:vertical}
.field .hint{font-size:12.5px;color:var(--c-muted)}
.form-row{display:grid;gap:0}
@media (min-width:640px){.form-row.two{grid-template-columns:1fr 1fr;gap:16px}}
.check-line{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px}
.check-line input{width:18px;height:18px;border-radius:6px;accent-color:var(--c-primary);margin-top:4px;flex:none}
.check-line span{font-size:12.5px;line-height:1.7;color:var(--c-muted)}
.form-note{margin-top:14px;font-size:12.5px;color:var(--c-muted)}

/* modal */
.modal{position:fixed;inset:0;z-index:90;display:none}
.modal.open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(6,50,42,.55);backdrop-filter:blur(4px)}
.modal-dialog{position:absolute;left:0;right:0;bottom:0;background:#fff;border-radius:24px 24px 0 0;padding:28px 20px 32px;max-height:92vh;overflow:auto;animation:slideUp .28s var(--ease)}
@media (min-width:640px){.modal-dialog{position:relative;margin:0 auto;top:50%;transform:translateY(-50%);bottom:auto;max-width:560px;border-radius:24px;padding:32px}}
@keyframes slideUp{from{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}
@media (min-width:640px){@keyframes slideUp{from{transform:translateY(calc(-50% + 24px));opacity:0}to{transform:translateY(-50%);opacity:1}}}
.modal-close{position:absolute;top:14px;right:14px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;color:var(--c-muted);transition:background .2s var(--ease),color .2s var(--ease)}
.modal-close:hover{background:rgba(14,158,126,.08);color:var(--c-primary-dark)}

/* footer */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.82);margin-top:64px}
@media (min-width:1024px){.site-footer{margin-top:96px}}
.footer-top{display:grid;gap:32px;padding:56px 0 40px}
@media (min-width:768px){.footer-top{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px;padding:72px 0 48px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:var(--grad-brand)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col h4::after{content:"";display:block;width:26px;height:2px;border-radius:2px;background:var(--c-lime);margin-top:8px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.76);transition:color .2s var(--ease),text-decoration-color .2s var(--ease);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px}
.footer-links a:hover{color:var(--c-lime);text-decoration-color:var(--c-lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 32px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}

/* reveal */
.reveal{opacity:0;transform:translateY(8px)}
.reveal.in{opacity:1;transform:translateY(0);transition:opacity .5s var(--ease),transform .5s var(--ease)}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
    --brand:#0E9E7E;
    --brand-dark:#0A7A61;
    --brand-deep:#06322A;
    --lime:#C7F24C;
    --orange:#FF7A45;
    --bg:#F7F8F4;
    --card:#FFFFFF;
    --line:#E3E8E1;
    --ink:#101A17;
    --muted:#5A6B65;
    --radius-lg:22px;
    --radius:16px;
    --radius-input:12px;
    --shadow-1:0 1px 2px rgba(6,50,42,.06);
    --shadow-2:0 16px 40px rgba(6,50,42,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --grad:linear-gradient(120deg,#0E9E7E 0%,#3ED2A3 55%,#C7F24C 100%);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer;border:none;background:none}
  h1,h2,h3,h4,p{margin:0}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){ .container{padding:0 32px} }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;padding:12px 24px;font-size:15px;font-weight:600;
    border:1.5px solid transparent;letter-spacing:0;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn-primary{background:var(--grad);color:var(--brand-deep);box-shadow:0 8px 20px rgba(14,158,126,.22)}
  .btn-primary:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(6,50,42,.18)}
  .btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 14px rgba(6,50,42,.16)}
  .btn-outline{border-color:var(--brand);color:var(--brand-dark);background:transparent}
  .btn-outline:hover{background:rgba(14,158,126,.08);transform:translateY(-2px)}
  .btn-outline:active{transform:translateY(0)}
  .btn-ghost{color:var(--brand-dark);padding:10px 14px}
  .btn-ghost:hover{background:rgba(14,158,126,.08)}
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(247,248,244,.9);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.9);box-shadow:0 6px 24px rgba(6,50,42,.06)}
  .nav-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;height:72px}
  .nav-side{display:flex;align-items:center;gap:4px;min-width:0}
  .nav-side.right{justify-content:flex-end}
  .nav-link{
    position:relative;padding:9px 12px;font-size:15px;color:var(--muted);border-radius:999px;
    transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand-deep);background:rgba(14,158,126,.08)}
  .nav-link:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .nav-link.active{color:var(--brand-deep);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--lime);
  }
  .brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand-deep);letter-spacing:-.01em}
  .brand-mark{
    width:34px;height:34px;border-radius:11px;background:var(--grad);color:var(--brand-deep);
    display:grid;place-items:center;font-size:16px;font-weight:800;flex:0 0 auto;
  }
  .brand-text{white-space:nowrap}
  .nav-cta{margin-left:8px}
  .burger{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;position:relative;align-items:center;justify-content:center;
  }
  .burger span,.burger span::before,.burger span::after{
    content:"";position:absolute;left:12px;width:20px;height:2px;border-radius:2px;background:var(--brand-deep);
    transition:transform .25s var(--ease),opacity .2s var(--ease);
  }
  .burger span{top:21px}
  .burger span::before{top:-6px;left:0}
  .burger span::after{top:6px;left:0}
  .burger[aria-expanded="true"] span{background:transparent}
  .burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
  .burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
  .mobile-panel{
    display:none;flex-direction:column;gap:2px;padding:8px 0 24px;
    border-top:1px solid var(--line);background:rgba(255,255,255,.98);
  }
  .mobile-panel.open{display:flex}
  .m-item{
    display:flex;align-items:center;height:52px;padding:0 20px;font-size:16px;color:var(--muted);
    border-bottom:1px solid rgba(227,232,225,.7);
  }
  .m-item:hover{color:var(--brand-deep);background:rgba(14,158,126,.06)}
  .m-item.active{color:var(--brand-deep);font-weight:600;box-shadow:inset 3px 0 0 var(--lime)}
  .m-cta{margin:18px 20px 0}

  @media (max-width:1023px){
    .nav-side{display:none}
    .nav-inner{grid-template-columns:1fr auto;height:64px}
    .brand{font-size:16px}
    .burger{display:inline-flex}
  }

  /* ---------- 面包屑 ---------- */
  .crumb-bar{padding:18px 0 0}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);flex-wrap:wrap}
  .breadcrumb a{color:var(--brand-dark);border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
  .breadcrumb a:hover{border-bottom-color:var(--brand)}
  .crumb-sep{color:#B9C4BF}
  .crumb-current{max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
  .crumb-cat{color:var(--brand-dark)}
  @media (max-width:640px){ .crumb-current{max-width:60vw} }

  /* ---------- 文章头部 ---------- */
  .article-hero{padding:26px 0 8px}
  .article-hero-inner{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:32px;box-shadow:var(--shadow-1);overflow:hidden;
  }
  .article-hero-inner::before{
    content:"";position:absolute;inset:0 0 auto 0;height:5px;background:var(--grad);opacity:.9;
  }
  .article-h1{
    font-size:clamp(26px,3.6vw,40px);line-height:1.25;font-weight:800;letter-spacing:-.01em;
    color:var(--brand-deep);margin:6px 0 16px;
  }
  .article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
  .meta-dot{width:4px;height:4px;border-radius:50%;background:#C3CDC8;display:inline-block}
  .tag{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;font-size:13px;
    background:rgba(14,158,126,.1);color:var(--brand-dark);font-weight:600;
  }
  .tag-lime{background:rgba(199,242,76,.35);color:#3B5220}
  .article-cover{
    margin:26px 0 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
    aspect-ratio:16/9;background:#EEF3EF;
  }
  .article-cover img{width:100%;height:100%;object-fit:cover}

  /* ---------- 正文 ---------- */
  .article-main{padding:56px 0 72px}
  .article-layout{display:grid;grid-template-columns:1fr;gap:32px}
  .article-paper{
    max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-lg);padding:36px 32px;box-shadow:var(--shadow-1);width:100%;
  }
  @media (max-width:640px){ .article-paper{padding:24px 18px} }
  .article-body{font-size:16px;line-height:1.85;color:#22322D}
  .article-body h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;letter-spacing:-.01em;color:var(--brand-deep);margin:1.9em 0 .7em}
  .article-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--brand-deep);margin:1.5em 0 .5em}
  .article-body h4{font-size:17px;font-weight:600;margin:1.3em 0 .4em}
  .article-body p{margin:0 0 1.1em}
  .article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
  .article-body li{margin:.4em 0}
  .article-body img{border-radius:var(--radius);margin:1.4em 0;width:100%}
  .article-body figure{margin:1.4em 0}
  .article-body blockquote{
    margin:1.4em 0;padding:16px 20px;border-left:4px solid var(--brand);background:#F4F9F6;
    border-radius:0 12px 12px 0;color:#3A4A44;
  }
  .article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
  .article-body th{background:rgba(14,158,126,.07);font-weight:600}
  .article-body a{color:var(--brand-dark);border-bottom:1px solid rgba(14,158,126,.45)}
  .article-body a:hover{color:var(--brand-deep);border-bottom-color:var(--lime)}
  .article-body code{background:#F1F5F2;border-radius:6px;padding:2px 6px;font-size:14px}
  .article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}
  .empty-state{
    max-width:760px;margin:0 auto;border:1.5px dashed #C9D6CF;border-radius:var(--radius-lg);
    background:#fff;padding:56px 24px;text-align:center;
  }
  .empty-state .es-icon{
    width:52px;height:52px;border-radius:16px;background:rgba(14,158,126,.1);color:var(--brand-dark);
    display:grid;place-items:center;margin:0 auto 18px;font-size:22px;font-weight:700;
  }
  .empty-state h2{font-size:20px;font-weight:700;color:var(--brand-deep);margin-bottom:8px}
  .empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px}

  /* ---------- 标签 + 延伸阅读 ---------- */
  .article-foot{margin-top:34px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .foot-label{font-size:14px;color:var(--muted);margin-right:4px}
  .next-read{display:grid;grid-template-columns:1fr;gap:18px;margin-top:24px}
  @media (min-width:768px){ .next-read{grid-template-columns:1fr 1fr} }
  .read-card{
    display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFE3DA}
  .read-card:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .read-thumb{width:88px;height:66px;border-radius:12px;overflow:hidden;flex:0 0 auto;background:#EEF3EF}
  .read-thumb img{width:100%;height:100%;object-fit:cover}
  .read-card .rc-label{font-size:12px;color:var(--brand-dark);font-weight:600;letter-spacing:.02em}
  .read-card h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);margin:4px 0 0}
  .read-card:hover h3{color:var(--brand-dark)}

  /* ---------- 推荐 ---------- */
  .section{padding:72px 0}
  @media (max-width:640px){ .section{padding:52px 0} }
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
  .section-head h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;color:var(--brand-deep);letter-spacing:-.01em;line-height:1.3}
  .section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px}
  .link-more{font-size:15px;font-weight:600;color:var(--brand-dark);border-bottom:2px solid var(--lime);padding-bottom:2px}
  .link-more:hover{color:var(--brand-deep)}
  .grid-3{display:grid;grid-template-columns:1fr;gap:24px}
  @media (min-width:640px){ .grid-3{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .grid-3{grid-template-columns:repeat(3,1fr)} }
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFE3DA}
  .card:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .card-thumb{aspect-ratio:4/3;overflow:hidden;background:#EEF3EF}
  .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
  .card:hover .card-thumb img{transform:scale(1.04)}
  .card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
  .card-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink)}
  .card:hover .card-body h3{color:var(--brand-dark)}
  .card-body p{font-size:14px;line-height:1.75;color:var(--muted)}
  .card-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:auto}

  /* ---------- 数据带 ---------- */
  .stats-band{
    background:var(--grad);border-radius:var(--radius-lg);padding:28px 24px;
    display:grid;grid-template-columns:1fr;gap:20px;
  }
  @media (min-width:768px){ .stats-band{grid-template-columns:repeat(4,1fr);padding:30px 36px} }
  .stat{color:var(--brand-deep)}
  .stat .num{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
  .stat .unit{font-size:12px;font-weight:600;opacity:.78;margin-left:4px}
  .stat .lbl{font-size:13px;opacity:.85;margin-top:2px}

  /* ---------- CTA ---------- */
  .cta-panel{
    background:var(--brand-deep);border-radius:var(--radius-lg);padding:40px 32px;color:#fff;
    display:grid;grid-template-columns:1fr;gap:24px;align-items:center;position:relative;overflow:hidden;
  }
  .cta-panel::after{
    content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;
    background:radial-gradient(circle,rgba(199,242,76,.28),transparent 68%);
  }
  @media (min-width:900px){ .cta-panel{grid-template-columns:1.4fr .9fr;padding:48px 44px} }
  .cta-panel h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
  .cta-panel p{color:rgba(255,255,255,.74);font-size:15px;margin-top:12px;max-width:560px}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
  .cta-panel .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
  .cta-panel .btn-outline:hover{background:rgba(255,255,255,.12)}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-deep);color:#fff;margin-top:24px}
  .footer-top{
    display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 32px;
  }
  @media (min-width:768px){ .footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr} }
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
  .footer-col h4{font-size:14px;font-weight:600;color:var(--lime);letter-spacing:.04em;margin-bottom:14px}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
  .footer-links a:hover{color:var(--lime);text-decoration:underline}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;justify-content:space-between;
    gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
  }

  /* ---------- 弹层 ---------- */
  .modal-mask{
    position:fixed;inset:0;z-index:120;background:rgba(6,50,42,.55);backdrop-filter:blur(4px);
    display:none;align-items:center;justify-content:center;padding:20px;
  }
  .modal-mask.open{display:flex}
  .modal{
    width:100%;max-width:560px;background:#fff;border-radius:24px;padding:28px;position:relative;
    box-shadow:0 24px 60px rgba(6,50,42,.28);max-height:92vh;overflow:auto;
  }
  .modal-close{
    position:absolute;top:14px;right:14px;width:44px;height:44px;border-radius:12px;
    display:grid;place-items:center;font-size:20px;color:var(--muted);
  }
  .modal-close:hover{background:rgba(14,158,126,.08);color:var(--brand-deep)}
  .modal h2{font-size:22px;font-weight:700;color:var(--brand-deep)}
  .modal .modal-sub{font-size:14px;color:var(--muted);margin:8px 0 20px}
  .field{margin-bottom:16px}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:#1D2B26}
  .req{color:var(--orange)}
  .field input,.field select,.field textarea{
    width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-input);
    background:#fff;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .field textarea{resize:vertical;min-height:96px}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,158,126,.14);
  }
  .check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted)}
  .check input{width:18px;height:18px;border-radius:6px;margin-top:2px;accent-color:var(--brand)}
  .form-tip{font-size:12px;color:var(--muted);margin-top:10px}
  @media (max-width:640px){
    .modal-mask{align-items:flex-end;padding:0}
    .modal{border-radius:24px 24px 0 0;max-height:88vh}
  }

  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  }

/* roulang page: category1 */
:root{
  --brand:#0E9E7E;
  --brand-dark:#0A7A61;
  --brand-deep:#06322A;
  --lime:#C7F24C;
  --orange:#FF7A45;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --line:#E3E8E1;
  --ink:#101A17;
  --muted:#5A6B65;
  --grad:linear-gradient(120deg,#0E9E7E 0%,#3ED2A3 55%,#C7F24C 100%);
  --r-card:22px;
  --r-soft:16px;
  --r-input:12px;
  --sh-calm:0 1px 2px rgba(6,50,42,.06);
  --sh-lift:0 16px 40px rgba(6,50,42,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
table{border-collapse:separate;border-spacing:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,248,244,.92);
  backdrop-filter:blur(10px);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px rgba(6,50,42,.06);
}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  gap:18px;
}
.nav-side{display:flex;align-items:center;gap:22px}
.nav-inner > div.nav-side{justify-content:flex-end;gap:18px}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:#2A3A34;
  padding:6px 2px;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2.5px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand-dark)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-deep);font-weight:700}
.brand{
  display:inline-flex;align-items:center;gap:10px;justify-self:center;
  font-size:18px;font-weight:700;color:var(--brand-deep);letter-spacing:-.01em;white-space:nowrap;
}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);color:#06322A;font-size:17px;font-weight:800;
  display:grid;place-items:center;flex:none;
  box-shadow:0 6px 16px rgba(14,158,126,.3);
}
.burger{
  display:none;width:44px;height:44px;border:none;background:transparent;
  cursor:pointer;align-items:center;justify-content:center;
}
.burger span,.burger span::before,.burger span::after{
  display:block;width:22px;height:2px;border-radius:2px;background:var(--brand-deep);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.burger span{position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-7px}
.burger span::after{top:7px}
.burger.is-open span{background:transparent}
.burger.is-open span::before{transform:translateY(7px) rotate(45deg)}
.burger.is-open span::after{transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:6px 0 20px}
.mobile-panel.is-open{display:block}
.m-item{
  display:flex;align-items:center;height:52px;padding:0 20px;
  font-size:16px;color:#2A3A34;border-bottom:1px solid var(--line);
}
.m-item.active{color:var(--brand-dark);font-weight:700}
.m-cta{margin:16px 20px 0}

@media (max-width:1023px){
  .nav-inner{grid-template-columns:1fr auto;height:64px;gap:10px}
  .nav-side{display:none}
  .brand{justify-self:start;font-size:16px;gap:8px}
  .brand-mark{width:30px;height:30px;font-size:15px;border-radius:9px}
  .burger{display:flex;justify-self:end}
}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;padding:12px 22px;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,#0E9E7E 0%,#3ED2A3 100%);
  color:#06322A;
  box-shadow:0 8px 20px rgba(14,158,126,.26);
}
.btn-primary:hover{
  background:linear-gradient(145deg,#0E9E7E 0%,#3ED2A3 45%,#C7F24C 100%);
  transform:translateY(-4px);
  box-shadow:0 16px 34px rgba(14,158,126,.32);
}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 14px rgba(14,158,126,.24)}
.btn-ghost{
  background:transparent;border-color:var(--brand);color:var(--brand-dark);
}
.btn-ghost:hover{background:rgba(14,158,126,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{
  background:transparent;border-color:rgba(255,255,255,.55);color:#fff;
}
.btn-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}

/* ============ badges ============ */
.badge{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;
  border-radius:999px;font-size:13.5px;line-height:1;
  border:1px solid var(--line);background:#fff;color:#33443D;
}
.badge b{font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-deep)}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none;box-shadow:0 0 0 3px rgba(199,242,76,.28)}
.badge-light{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:rgba(255,255,255,.86)}
.badge-light b{color:var(--lime)}
.badge-light .dot{background:var(--lime)}

/* ============ page hero ============ */
.page-hero{position:relative;overflow:hidden;color:#fff}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(6,50,42,.94) 0%,rgba(6,50,42,.82) 50%,rgba(10,122,97,.72) 100%);
}
.hero-inner{position:relative;padding:56px 0 64px}
@media (min-width:1024px){.hero-inner{padding:76px 0 88px}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.7)}
.crumb a{color:rgba(255,255,255,.86);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.crumb a:hover{color:var(--lime);border-color:var(--lime)}
.crumb .cur{color:var(--lime);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.2;font-weight:800;letter-spacing:-.01em;
  margin-top:20px;max-width:820px;
}
.hero-sub{margin-top:16px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-inner > *{animation:fadeUp .6s var(--ease) both}
.hero-inner > *:nth-child(2){animation-delay:.05s}
.hero-inner > *:nth-child(3){animation-delay:.1s}
.hero-inner > *:nth-child(4){animation-delay:.15s}
.hero-inner > *:nth-child(5){animation-delay:.2s}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ============ sections ============ */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{
  font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;
  letter-spacing:-.01em;color:var(--brand-deep);
}
.sec-sub{margin-top:12px;color:var(--muted);font-size:16px;max-width:700px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-calm)}
@media (min-width:1024px){.panel{padding:32px}}
.panel-sm{background:var(--card);border:1px solid var(--line);border-radius:var(--r-soft);padding:22px;box-shadow:var(--sh-calm)}

/* ============ category layout ============ */
.cat-layout{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media (min-width:1024px){.cat-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:24px}}
.col-side .side-sticky{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.col-side .side-sticky{position:sticky;top:96px}}

/* toc */
.toc-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:12px}
.toc a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14.5px;color:#3A4A44;
  border-left:2px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.toc a:hover{background:rgba(14,158,126,.08);color:var(--brand-dark);border-left-color:var(--lime);transform:translateX(2px)}
.help-card{background:#F3F8F4;border-color:#DCE9E1}
.help-card h3{font-size:17px;font-weight:700;color:var(--brand-deep);margin-bottom:8px}
.help-card p{font-size:14.5px;color:#42544D;line-height:1.8;margin-bottom:16px}

/* ============ timeline ============ */
.timeline{position:relative;margin-top:28px;padding-left:46px}
.timeline::before{
  content:"";position:absolute;left:15px;top:10px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#0E9E7E 0%,#3ED2A3 60%,#C7F24C 100%);
}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:-46px;top:0;width:32px;height:32px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand-dark);
  font-size:14px;font-weight:800;display:grid;place-items:center;font-variant-numeric:tabular-nums;
  box-shadow:0 4px 12px rgba(6,50,42,.1);
}
.tl-title{font-size:20px;line-height:1.4;font-weight:600;color:var(--brand-deep)}
.tl-text{margin-top:8px;color:#33443D}
.mini-list{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.mini-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);line-height:1.7}
.mini-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--lime);box-shadow:0 0 0 2px rgba(199,242,76,.25);
}
.figure{margin-top:28px;border-radius:var(--r-soft);overflow:hidden;aspect-ratio:16/9;border:1px solid var(--line)}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.figure:hover img{transform:scale(1.03)}

/* ============ prepare cards ============ */
.grid-4{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-soft);padding:24px;
  box-shadow:var(--sh-calm);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#CFE3D9}
.card h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--brand-deep);margin-bottom:8px}
.card p{font-size:15px;color:#40514A}
.card-wide{grid-column:span 1}
@media (min-width:1024px){.card-wide{grid-column:span 2}}
.card-wide .figure{margin-bottom:18px;margin-top:0}
.card-ico{
  width:42px;height:42px;border-radius:13px;background:rgba(14,158,126,.1);
  color:var(--brand-dark);display:grid;place-items:center;font-size:18px;font-weight:800;margin-bottom:14px;
}

/* ============ table ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-soft);background:#fff}
.spec-table{width:100%;min-width:640px}
.spec-table th{
  text-align:left;font-size:14px;font-weight:700;color:var(--brand-deep);
  background:#F1F6F2;padding:14px 20px;white-space:nowrap;
}
.spec-table td{padding:15px 20px;font-size:15px;color:#33443D;border-top:1px solid var(--line);vertical-align:top}
.spec-table tbody tr:nth-child(even) td{background:#FAFBF8}
.spec-table td strong{color:var(--brand-dark);font-weight:700}
.spec-table tbody tr{transition:background .2s var(--ease)}
.spec-table tbody tr:hover td{background:rgba(199,242,76,.14)}
@media (max-width:639px){
  .spec-table{min-width:0}
  .spec-table thead{display:none}
  .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%}
  .spec-table tr{border-top:1px solid var(--line);padding:6px 0}
  .spec-table tr:first-child{border-top:none}
  .spec-table td{border-top:none;padding:8px 18px}
  .spec-table td::before{content:attr(data-label);display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:2px}
  .spec-table .col-note{display:none}
}

/* ============ data band ============ */
.data-band{
  background:var(--grad);border-radius:var(--r-card);padding:30px 24px;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;color:#08302A;
  box-shadow:0 16px 40px rgba(14,158,126,.22);
}
@media (min-width:1024px){.data-band{grid-template-columns:repeat(4,minmax(0,1fr));padding:38px 40px;gap:28px}}
.data-band .num{font-size:30px;line-height:1.2;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.data-band .lbl{font-size:14px;font-weight:600;color:rgba(6,50,42,.78);margin-top:4px}
.data-band .unit{font-size:12px;font-weight:600;margin-left:4px;color:rgba(6,50,42,.7)}

/* ============ FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--sh-calm)}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:none}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 24px;font-size:16px;font-weight:600;color:var(--brand-deep);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(14,158,126,.06);color:var(--brand-dark)}
.faq-plus{position:relative;width:20px;height:20px;flex:none;transition:transform .25s var(--ease)}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-plus::before{left:0;top:9px;width:20px;height:2px}
.faq-plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:#40514A;animation:fadeUp .28s var(--ease) both}
.faq-body p+p{margin-top:8px}

/* ============ CTA ============ */
.cta-band{
  background:#06322A;border-radius:var(--r-card);padding:34px 24px;color:#fff;
  display:grid;gap:26px;position:relative;overflow:hidden;
}
@media (min-width:1024px){.cta-band{grid-template-columns:1.5fr 1fr;align-items:center;padding:44px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,242,76,.28) 0%,rgba(199,242,76,0) 70%);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.74);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;position:relative;z-index:1}
.privacy-note{margin-top:16px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.55)}

/* ============ pills ============ */
.pill-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14.5px;color:#2A3A34;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.pill::after{content:"→";font-size:13px;color:var(--brand)}
.pill:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:#CFE3D9;color:var(--brand-dark)}

/* ============ footer ============ */
.site-footer{background:#06322A;color:#fff;padding:56px 0 28px;margin-top:24px}
.footer-top{
  display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@media (min-width:768px){.footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-brand .brand-mark{width:32px;height:32px;font-size:16px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--lime);letter-spacing:.06em;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--lime);text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:20px;font-size:13px;color:rgba(255,255,255,.55);
}
.small{font-size:14px;line-height:1.75}

/* ============ modal ============ */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(6,50,42,.55);backdrop-filter:blur(4px)}
.modal-card{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(560px,calc(100% - 32px));max-height:88vh;overflow:auto;
  background:#fff;border-radius:24px;padding:28px;box-shadow:var(--sh-lift);
  animation:fadeUp .28s var(--ease) both;
}
@media (max-width:639px){
  .modal-card{left:0;right:0;top:auto;bottom:0;transform:none;width:100%;border-radius:24px 24px 0 0;max-height:92vh}
}
.modal-close{
  position:absolute;right:12px;top:12px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--muted);font-size:20px;line-height:1;cursor:pointer;
  display:grid;place-items:center;transition:background .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:rgba(14,158,126,.1);color:var(--brand-dark)}
.modal-card h2{font-size:22px;font-weight:700;color:var(--brand-deep);margin-bottom:6px}
.modal-card .modal-sub{font-size:14.5px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--brand-deep);margin-bottom:8px}
.field .req{color:var(--orange);margin-left:2px}
.input,.select,.textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;
  padding:12px 14px;font-size:15px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,158,126,.12);outline:none}
.input:focus-visible,.select:focus-visible,.textarea:focus-visible{outline:2px solid var(--lime);outline-offset:1px}
.textarea{min-height:104px;resize:vertical;line-height:1.7}
.check-row{display:flex;align-items:flex-start;gap:10px}
.check-row input{width:18px;height:18px;margin-top:3px;border-radius:6px;accent-color:var(--brand);flex:none}
.check-row span{font-size:12.5px;line-height:1.7;color:var(--muted)}
.form-tip{font-size:13px;color:var(--brand-dark);margin-top:10px;min-height:18px}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --arena:#0E9E7E;
  --arena-dark:#0A7A61;
  --arena-deep:#06322A;
  --limey:#C7F24C;
  --warm:#FF7A45;
  --sand:#F7F8F4;
  --card:#FFFFFF;
  --line:#E3E8E1;
  --ink:#101A17;
  --muted:#5A6B65;
  --brand-gradient:linear-gradient(120deg,#0E9E7E 0%,#3ED2A3 55%,#C7F24C 100%);
  --radius-big:22px;
  --radius-small:16px;
  --radius-input:12px;
  --shadow-card:0 1px 2px rgba(6,50,42,.06);
  --shadow-hover:0 16px 40px rgba(6,50,42,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  background:var(--sand);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
:focus-visible{outline:2px solid var(--limey);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.site-header.is-stuck{border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(6,50,42,.06)}
.nav-inner{
  height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
}
.nav-side{display:flex;align-items:center;gap:22px}
.nav-side:last-of-type{justify-content:flex-end}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-gradient);color:var(--arena-deep);font-weight:800;font-size:16px;
  box-shadow:0 1px 2px rgba(6,50,42,.06);
}
.brand-text{font-size:18px;font-weight:700;color:var(--arena-deep);letter-spacing:-0.01em}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 2px;
  transition:color .18s var(--ease);
}
.nav-link:hover{color:var(--arena-deep)}
.nav-link.active{color:var(--arena-deep);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:999px;background:var(--limey);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:999px;
  background:var(--limey);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active::after{transform:scaleX(1)}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;position:relative;cursor:pointer;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:999px;background:var(--arena-deep);
  transform:translateX(-50%);transition:.2s var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-panel{
  display:none;flex-direction:column;padding:8px 0 20px;background:#fff;border-bottom:1px solid var(--line);
}
.mobile-panel.open{display:flex}
.m-item{
  height:52px;display:flex;align-items:center;padding:0 20px;font-size:16px;font-weight:500;color:var(--muted);
  border-bottom:1px solid rgba(227,232,225,.7);
}
.m-item.active{color:var(--arena-deep);font-weight:700;background:rgba(14,158,126,.05)}
.m-cta{margin:16px 20px 0;width:calc(100% - 40px)}
@media(max-width:1023px){
  .nav-side{display:none}
  .nav-inner{grid-template-columns:auto 1fr auto}
  .brand{justify-self:start}
  .burger{display:block;justify-self:end}
  .brand-text{font-size:16px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  font-size:15px;font-weight:700;padding:12px 24px;line-height:1.2;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn-primary{background:var(--brand-gradient);color:var(--arena-deep);box-shadow:0 1px 2px rgba(6,50,42,.06)}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(6,50,42,.24);background:linear-gradient(240deg,#0E9E7E 0%,#3ED2A3 55%,#C7F24C 100%)}
.btn-primary:active{transform:translateY(-3px)}
.btn-outline{background:transparent;border-color:var(--arena);color:var(--arena-dark)}
.btn-outline:hover{background:rgba(14,158,126,.08);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(-1px)}
.btn-ghost{background:rgba(14,158,126,.08);color:var(--arena-dark);border-color:transparent}
.btn-ghost:hover{background:rgba(14,158,126,.16)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}

/* ---------- badges ---------- */
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--muted);white-space:nowrap;
}
.stat-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--arena)}
.stat-badge .dot.lime{background:var(--limey)}
.stat-badge b{font-weight:700;color:var(--arena-deep);font-variant-numeric:tabular-nums}
.stat-badge .unit{font-size:12px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(14,158,126,.09);color:var(--arena-dark);font-size:12px;font-weight:600;
}

/* ---------- hero (category2: pure gradient) ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(199,242,76,.30), transparent 62%),
    linear-gradient(120deg,#06322A 0%,#0A7A61 52%,#0E9E7E 100%);
  color:#fff;padding:78px 0 72px;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%, rgba(199,242,76,.28), transparent 66%);
}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:rgba(255,255,255,.92);margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.2;font-weight:800;letter-spacing:-0.01em;color:#fff;
}
.cat-hero h1 em{
  font-style:normal;color:var(--limey);
}
.cat-hero .lead{
  margin-top:18px;max-width:660px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.85);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cat-hero .btn-outline{border-color:rgba(255,255,255,.7);color:#fff}
.cat-hero .btn-outline:hover{background:rgba(255,255,255,.14)}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-tags .stat-badge{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);color:rgba(255,255,255,.9)}
.hero-tags .stat-badge b{color:#fff}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section.tight{padding:64px 0}
@media(max-width:767px){.section{padding:64px 0}.section.tight{padding:44px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;color:var(--arena-deep)}
.section-head .sub{margin-top:12px;max-width:640px;color:var(--muted);font-size:16px}
.text-link{color:var(--arena-dark);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--arena-deep);text-decoration:underline;text-decoration-color:var(--limey);text-decoration-thickness:2px;text-underline-offset:4px}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-small);
  box-shadow:var(--shadow-card);padding:24px;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,158,126,.35)}
.card.big{border-radius:var(--radius-big);padding:32px}
.card h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--arena-deep)}
.card p{color:var(--muted);font-size:15px;line-height:1.8;margin-top:10px}
.card-link{display:block;height:100%}
.card-link:hover h3{color:var(--arena);text-decoration:underline;text-decoration-color:var(--limey);text-decoration-thickness:2px;text-underline-offset:4px}
.media{border-radius:var(--radius-small);overflow:hidden;aspect-ratio:16/9;background:#E9EEEA}
.media img{width:100%;height:100%;object-fit:cover}
.media.square{aspect-ratio:4/3}

.feature-main{
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-big);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-main .fm-media{position:relative;min-height:320px}
.feature-main .fm-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-main .fm-body{padding:36px}
.feature-main h3{font-size:22px;font-weight:700;color:var(--arena-deep)}
.mini-list{list-style:none;padding:0;margin:18px 0 0}
.mini-list li{
  position:relative;padding-left:22px;margin-bottom:10px;color:var(--muted);font-size:15px;line-height:1.7;
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--limey);box-shadow:0 0 0 3px rgba(199,242,76,.28);
}

/* offset small cards */
.offset-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.offset-grid > *:nth-child(even){transform:translateY(26px)}
.offset-grid > *:nth-child(even):hover{transform:translateY(22px)}
@media(max-width:1023px){
  .offset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .offset-grid > *:nth-child(even){transform:none}
  .offset-grid > *:nth-child(even):hover{transform:translateY(-4px)}
  .feature-main{grid-template-columns:1fr}
  .feature-main .fm-media{min-height:220px}
  .feature-main .fm-body{padding:26px}
}
@media(max-width:559px){
  .offset-grid{grid-template-columns:1fr}
}

/* ---------- data strip ---------- */
.data-strip{
  background:var(--brand-gradient);border-radius:var(--radius-big);padding:32px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;color:var(--arena-deep);
}
.data-strip .cell{display:flex;flex-direction:column;gap:6px}
.data-strip .num{font-size:clamp(24px,2.6vw,32px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.data-strip .label{font-size:13px;font-weight:600;color:rgba(6,50,42,.78);line-height:1.6}
@media(max-width:767px){.data-strip{grid-template-columns:repeat(2,minmax(0,1fr));padding:24px}}

/* ---------- compare table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-big);background:#fff;overflow:hidden;
  box-shadow:var(--shadow-card);
}
table.compare{width:100%;border-collapse:collapse;font-size:15px}
table.compare caption{
  text-align:left;padding:20px 24px 6px;font-size:13px;color:var(--muted);
}
table.compare th,table.compare td{padding:16px 24px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.compare thead th{font-size:14px;font-weight:700;color:var(--arena-deep);background:rgba(14,158,126,.05)}
table.compare tbody tr:nth-child(even){background:rgba(227,232,225,.22)}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare td:first-child{font-weight:600;color:var(--ink)}
.cell-note{display:block;font-size:12px;color:var(--muted);margin-top:4px}
@media(max-width:767px){
  table.compare thead{display:none}
  table.compare,table.compare tbody,table.compare tr,table.compare td{display:block;width:100%}
  table.compare tr{border-bottom:1px solid var(--line);padding:6px 0}
  table.compare tbody tr:nth-child(even){background:transparent}
  table.compare td{border-bottom:none;padding:8px 20px}
  table.compare td::before{
    content:attr(data-label);display:block;font-size:12px;color:var(--muted);margin-bottom:2px;
  }
  table.compare td.hide-sm{display:none}
}

/* ---------- FAQ ---------- */
.faq-list{border:1px solid var(--line);border-radius:var(--radius-big);background:#fff;overflow:hidden;box-shadow:var(--shadow-card)}
.faq-item{border-bottom:1px solid rgba(227,232,225,.9)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 24px;font-size:16px;font-weight:600;color:var(--arena-deep);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(14,158,126,.04)}
.faq-plus{
  flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .2s var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--arena);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-plus::before{width:14px;height:2px}
.faq-plus::after{width:2px;height:14px}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--arena)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted);animation:fadeUp .22s var(--ease)}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,#06322A 0%,#0A7A61 60%,#0E9E7E 100%);
  border-radius:var(--radius-big);padding:44px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;color:#fff}
.cta-band p{color:rgba(255,255,255,.82);margin-top:12px;max-width:560px;font-size:15px}
@media(max-width:767px){.cta-band{padding:28px;border-radius:var(--radius-small)}}

/* ---------- related pills ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:15px;font-weight:600;color:var(--arena-dark);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.pill:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(6,50,42,.12);border-color:rgba(14,158,126,.4)}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--limey)}

/* ---------- footer ---------- */
.site-footer{background:var(--arena-deep);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:96px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:var(--brand-gradient);color:var(--arena-deep)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--limey);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.62);
}
@media(max-width:1023px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:559px){.footer-top{grid-template-columns:1fr}.site-footer{padding-top:44px}}

/* ---------- animation ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.reveal{animation:fadeUp .5s var(--ease) both}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --pine:#0E9E7E;
  --pine-deep:#0A7A61;
  --pine-darkest:#06322A;
  --lime:#C7F24C;
  --ember:#FF7A45;
  --sand:#F7F8F4;
  --card:#FFFFFF;
  --line:#E3E8E1;
  --ink:#101A17;
  --muted:#5A6B65;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh-soft:0 1px 2px rgba(6,50,42,.06);
  --sh-lift:0 16px 40px rgba(6,50,42,.12);
  --grad:linear-gradient(120deg,#0E9E7E 0%,#3ED2A3 55%,#C7F24C 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--pine-deep)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;line-height:1.3;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
::selection{background:rgba(199,242,76,.55);color:var(--pine-darkest)}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,248,244,.92);
  backdrop-filter:saturate(180%) blur(10px);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.86);
  box-shadow:0 6px 24px rgba(6,50,42,.06);
}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:72px;
}
.nav-side{display:flex;align-items:center;gap:22px}
.nav-side:last-of-type{justify-content:flex-end}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  padding:6px 2px;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--pine-deep)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--pine-darkest);font-weight:700}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  font-size:18px;
  font-weight:700;
  color:var(--pine-darkest);
  white-space:nowrap;
}
.brand:hover{color:var(--pine-darkest)}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:var(--pine-darkest);
  font-weight:800;
  font-size:16px;
  box-shadow:var(--sh-soft);
  flex:0 0 auto;
}
.brand-text{letter-spacing:-0.01em}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  padding:13px 26px;
  border:1.5px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  will-change:transform;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{
  background-image:var(--grad);
  background-size:160% 160%;
  background-position:0% 50%;
  color:#06322A;
  box-shadow:0 6px 18px rgba(14,158,126,.24);
}
.btn-primary:hover{
  background-position:100% 50%;
  transform:translateY(-4px);
  box-shadow:0 16px 34px rgba(6,50,42,.2);
  color:#06322A;
}
.btn-primary:active{transform:translateY(-1px)}
.btn-primary:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}
.btn-ghost{
  border-color:var(--pine);
  color:var(--pine-darkest);
  background:transparent;
}
.btn-ghost:hover{
  background:rgba(14,158,126,.08);
  transform:translateY(-4px);
  color:var(--pine-darkest);
  box-shadow:0 12px 26px rgba(6,50,42,.1);
}
.btn-ghost:active{transform:translateY(-1px)}
.btn-light{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-4px)}
.nav-cta{margin-left:6px}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  justify-self:end;
}
.burger span{position:relative;display:block;width:18px;height:2px;background:var(--pine-darkest);border-radius:2px;transition:.2s var(--ease)}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--pine-darkest);border-radius:2px;transition:.2s var(--ease);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-panel{
  display:none;
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
}
.mobile-panel.open{max-height:520px}
.m-item{
  display:block;
  height:52px;
  line-height:52px;
  padding:0 20px;
  font-size:16px;
  font-weight:500;
  border-bottom:1px solid var(--line);
}
.m-item.active{color:var(--pine-deep);font-weight:700;background:rgba(14,158,126,.06)}
.m-cta{margin:16px 20px 20px}
@media (max-width:1023px){
  .nav-inner{grid-template-columns:1fr auto}
  .nav-side,.nav-cta{display:none}
  .brand{justify-self:start;font-size:16px;white-space:normal}
  .brand-text{max-width:190px;line-height:1.2}
  .burger{display:inline-flex}
  .mobile-panel{display:block}
}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  overflow:hidden;
  background:var(--pine-darkest);
  color:#fff;
  padding:72px 0 80px;
}
.page-head-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.5;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(6,50,42,.94) 0%,rgba(6,50,42,.82) 48%,rgba(10,122,97,.72) 100%);
}
.page-head .container{position:relative;z-index:2}
.page-head-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
}
@media (min-width:1024px){
  .page-head{padding:96px 0 104px}
  .page-head-grid{grid-template-columns:7fr 5fr;gap:64px}
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid rgba(199,242,76,.45);
  background:rgba(199,242,76,.12);
  color:#EAFBD2;
  margin-bottom:22px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
.page-head h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;
  line-height:1.22;
  color:#fff;
  margin-bottom:18px;
}
.page-head .lead{
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.82);
  max-width:620px;
  margin-bottom:28px;
}
.page-head .hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.badge-card{
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.1);
  backdrop-filter:blur(6px);
  padding:26px;
  box-shadow:0 24px 60px rgba(0,0,0,.22);
}
.badge-card h2{font-size:17px;color:#fff;margin-bottom:6px}
.badge-card .sub{font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:20px}
.stat-line{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed rgba(255,255,255,.2);
}
.stat-line:last-child{border-bottom:0;padding-bottom:0}
.stat-line .num{
  font-size:26px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--lime);
  line-height:1;
}
.stat-line .num small{font-size:12px;font-weight:600;color:rgba(255,255,255,.7);margin-left:4px}
.stat-line .txt{font-size:14px;color:rgba(255,255,255,.82);text-align:right;line-height:1.6}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:52px 0}
@media (min-width:1024px){.section-tight{padding:64px 0}}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(14,158,126,.1);
  color:var(--pine-deep);
  line-height:1.7;
}
.tag-lime{background:rgba(199,242,76,.35);color:#3E5A0E}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 图标列表 ---------- */
.icon-list{
  border-radius:var(--r-lg);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--sh-soft);
  overflow:hidden;
}
.icon-row{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:18px;
  padding:24px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.icon-row:last-child{border-bottom:0}
.icon-row:hover{background:rgba(14,158,126,.035)}
.icon-box{
  width:56px;height:56px;
  border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,158,126,.1);
  color:var(--pine-deep);
  flex:0 0 auto;
}
.icon-box svg{width:26px;height:26px}
.icon-row h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:6px;
}
.icon-row p{color:var(--muted);font-size:15px;margin:0}
@media (min-width:768px){
  .icon-row{grid-template-columns:56px 1fr;gap:22px;padding:26px 30px}
}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-soft);
  padding:24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card-lg{border-radius:var(--r-lg);padding:32px}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:#D3DED6}
.card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.card h3 a:hover{color:var(--pine-deep);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.card p{color:var(--muted);font-size:15px}
.card-media{
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--sand);
  margin-bottom:18px;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media-16{aspect-ratio:16/9}

/* ---------- 数据带 ---------- */
.stat-band{
  background-image:var(--grad);
  border-radius:var(--r-lg);
  padding:32px 24px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
@media (min-width:900px){
  .stat-band{grid-template-columns:repeat(4,minmax(0,1fr));padding:38px 40px;gap:28px}
}
.stat-band .item{color:var(--pine-darkest)}
.stat-band .item .n{
  font-size:clamp(26px,3vw,34px);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.stat-band .item .n small{font-size:12px;font-weight:600;opacity:.72;margin-left:4px}
.stat-band .item .l{font-size:14px;font-weight:500;color:rgba(6,50,42,.78);line-height:1.6;margin-top:6px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:13.5px;
  font-weight:600;
  color:var(--pine-darkest);
}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.badge.badge-pine i{background:var(--pine)}

/* ---------- 步骤流程 ---------- */
.steps{counter-reset:step;display:grid;gap:16px}
.step{
  position:relative;
  display:grid;
  grid-template-columns:44px 1fr;
  gap:18px;
  padding:22px 24px 22px 24px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  box-shadow:var(--sh-soft);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-lift)}
.step-num{
  width:44px;height:44px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,158,126,.1);
  color:var(--pine-deep);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:6px}
.step p{color:var(--muted);font-size:15px;margin:0}

/* ---------- 对比表 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-soft);
}
table{width:100%;border-collapse:collapse;font-size:15px}
thead th{
  background:rgba(14,158,126,.07);
  color:var(--pine-darkest);
  font-weight:700;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
}
tbody td{
  padding:15px 20px;
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
tbody tr:nth-child(even){background:rgba(247,248,244,.7)}
tbody tr:last-child td{border-bottom:0}
tbody td.weak{color:var(--muted)}
@media (max-width:640px){
  .hide-sm{display:none}
  thead th,tbody td{padding:12px 14px;font-size:14px}
}

/* ---------- FAQ ---------- */
.faq{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--sh-soft);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:0 24px;
  min-height:64px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:rgba(14,158,126,.04);color:var(--pine-deep)}
.faq-mark{
  position:relative;
  width:20px;height:20px;
  flex:0 0 auto;
}
.faq-mark::before,.faq-mark::after{
  content:"";
  position:absolute;
  background:var(--pine-deep);
  border-radius:2px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.faq-mark::before{left:0;top:9px;width:20px;height:2px}
.faq-mark::after{top:0;left:9px;height:20px;width:2px}
.faq-item.open .faq-mark::after{transform:rotate(90deg);opacity:0}
.faq-item.open .faq-q{color:var(--pine-deep)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  opacity:0;
  transform:translateY(-4px);
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.faq-item.open .faq-a-inner{opacity:1;transform:translateY(0)}

/* ---------- 相关分类胶囊 ---------- */
.pill-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 22px;
  border-radius:999px;
  border:1.5px solid var(--line);
  background:#fff;
  font-size:14.5px;
  font-weight:600;
  color:var(--pine-darkest);
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.pill:hover{
  border-color:var(--pine);
  background:rgba(14,158,126,.07);
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(6,50,42,.08);
  color:var(--pine-darkest);
}
.pill.is-current{border-color:var(--pine);background:rgba(199,242,76,.3);cursor:default}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);
  background:var(--pine-darkest);
  color:#fff;
  padding:40px 28px;
  display:grid;
  gap:26px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  width:340px;height:340px;
  right:-120px;top:-140px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(199,242,76,.28),rgba(199,242,76,0) 68%);
}
.cta-band > *{position:relative;z-index:1}
@media (min-width:900px){
  .cta-band{grid-template-columns:1.6fr 1fr;padding:52px 48px;gap:40px}
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-start}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-soft);
}
@media (min-width:768px){.form-card{padding:32px}}
.field{margin-bottom:18px}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--pine-darkest);
}
.req{color:var(--ember);font-weight:700}
.input,.select,.textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  padding:12px 14px;
  font-size:15px;
  line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.textarea{resize:vertical;min-height:104px}
.input:focus,.select:focus,.textarea:focus{
  outline:none;
  border-color:var(--pine);
  box-shadow:0 0 0 4px rgba(14,158,126,.12);
}
.input.err,.select.err{border-color:var(--ember)}
.err-msg{color:var(--ember);font-size:13px;margin-top:6px;display:none}
.err-msg.show{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px}
.check-row input{
  width:18px;height:18px;
  margin-top:3px;
  border-radius:6px;
  accent-color:var(--pine);
  flex:0 0 auto;
}
.check-row span{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
}
.modal.open{display:flex}
.modal-mask{
  position:absolute;
  inset:0;
  background:rgba(6,50,42,.55);
  backdrop-filter:blur(6px);
}
.modal-box{
  position:relative;
  z-index:2;
  width:100%;
  max-width:560px;
  background:#fff;
  border-radius:24px;
  padding:30px;
  box-shadow:0 30px 80px rgba(6,50,42,.35);
  max-height:90vh;
  overflow:auto;
  animation:pop .26s var(--ease);
}
@keyframes pop{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;
  top:16px;right:16px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:rgba(14,158,126,.08);color:var(--pine-deep)}
.modal-box h3{font-size:22px;margin-bottom:8px}
.modal-box .modal-sub{font-size:14.5px;color:var(--muted);margin-bottom:22px}
@media (max-width:639px){
  .modal{align-items:flex-end;padding:0}
  .modal-box{max-width:none;border-radius:24px 24px 0 0;animation:slideUp .28s var(--ease)}
  @keyframes slideUp{from{transform:translateY(100%)}to{transform:none}}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--pine-darkest);
  color:rgba(255,255,255,.78);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-top{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@media (min-width:768px){.footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
}
.footer-brand:hover{color:var(--lime)}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--lime);
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-links{display:grid;gap:11px}
.footer-links a{
  font-size:14.5px;
  color:rgba(255,255,255,.78);
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:24px;
  font-size:13.5px;
  color:rgba(255,255,255,.6);
}
.small{font-size:14px;line-height:1.7}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --brand:#0E9E7E;
  --brand-dark:#0A7A61;
  --brand-deep:#06322A;
  --lime:#C7F24C;
  --orange:#FF7A45;
  --sand:#F7F8F4;
  --card:#FFFFFF;
  --line:#E3E8E1;
  --ink:#101A17;
  --subtle:#5A6B65;
  --grad:linear-gradient(120deg,#0E9E7E 0%,#3ED2A3 55%,#C7F24C 100%);
  --r-card:22px;
  --r-smcard:16px;
  --r-field:12px;
  --r-pill:999px;
  --sh-soft:0 1px 2px rgba(6,50,42,.06);
  --sh-hover:0 16px 40px rgba(6,50,42,.12);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  background:var(--sand);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;line-height:1.3;font-weight:700}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;border-radius:8px;
}
.container{
  width:100%!important;max-width:1200px!important;margin:0 auto!important;
  padding-left:20px!important;padding-right:20px!important;
}
@media (min-width:1024px){
  .container{padding-left:32px!important;padding-right:32px!important}
}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,244,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(6,50,42,.06);
}
.nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:16px;min-height:72px;
}
.nav-side{display:flex;align-items:center;gap:6px;min-width:0}
.nav-inner > div.nav-side:last-of-type{justify-content:flex-end}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--subtle);
  white-space:nowrap;transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--brand-deep);background:rgba(14,158,126,.08)}
.nav-link.active{color:var(--brand-deep);font-weight:700}
.nav-link.active::after{
  content:'';position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  border-radius:2px;background:var(--lime);
}
.brand{
  display:flex;align-items:center;gap:10px;justify-self:center;
  font-size:18px;font-weight:700;color:var(--brand-deep);
  white-space:nowrap;transition:opacity var(--ease);
}
.brand:hover{opacity:.86}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:12px;
  background:var(--grad);color:#06322A;
  display:grid;place-items:center;font-weight:800;font-size:17px;
}
.brand-text{letter-spacing:-0.01em}
.burger{
  display:none;width:44px;height:44px;justify-self:end;
  border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;position:relative;
  transition:border-color var(--ease),background var(--ease);
}
.burger:hover{border-color:var(--brand);background:rgba(14,158,126,.06)}
.burger span,.burger span::before,.burger span::after{
  content:'';display:block;width:18px;height:2px;border-radius:2px;
  background:var(--brand-deep);transition:transform var(--ease),opacity var(--ease);
}
.burger span{position:relative}
.burger span::before{position:absolute;top:-6px;left:0}
.burger span::after{position:absolute;top:6px;left:0}
.burger.is-open span{background:transparent}
.burger.is-open span::before{transform:translateY(6px) rotate(45deg)}
.burger.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:55;
  background:#fff;padding:16px 20px 32px;overflow-y:auto;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
  border-top:1px solid var(--line);
}
.mobile-panel.open{opacity:1;transform:translateY(0);pointer-events:auto}
.m-item{
  display:flex;align-items:center;height:52px;padding:0 14px;
  border-radius:14px;font-size:16px;color:var(--ink);font-weight:500;
  transition:background var(--ease),color var(--ease);
}
.m-item:hover{background:rgba(14,158,126,.08);color:var(--brand-deep)}
.m-item.active{color:var(--brand-deep);font-weight:700;background:rgba(199,242,76,.22)}
.m-cta{margin:16px 20px 0}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1.5px solid transparent;background:transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  text-align:center;
}
.btn-primary{
  background:var(--grad);color:#06322A;
  box-shadow:0 6px 18px rgba(14,158,126,.22);
}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(14,158,126,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(14,158,126,.24)}
.btn-primary:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}
.btn-outline{border-color:var(--brand);color:var(--brand-deep);background:transparent}
.btn-outline:hover{background:rgba(14,158,126,.08);transform:translateY(-4px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{color:var(--brand-deep);background:rgba(14,158,126,.08)}
.btn-ghost:hover{background:rgba(14,158,126,.16)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-white{background:#fff;color:var(--brand-deep);border-color:rgba(255,255,255,.5)}
.btn-white:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
/* ---------- 卡片与徽章 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-soft);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,158,126,.35)}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--subtle);white-space:nowrap;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none}
.badge .dot-green{background:var(--brand)}
.badge b{font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.badge .unit{font-size:12px;color:var(--subtle)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:rgba(14,158,126,.1);
  color:var(--brand-dark);font-size:12px;font-weight:600;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid rgba(14,158,126,.3);
  background:rgba(199,242,76,.2);color:var(--brand-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
/* ---------- 页头 ---------- */
.page-head{
  background:linear-gradient(180deg,#FFFFFF 0%,#F2F6F1 100%);
  border-bottom:1px solid var(--line);
  padding:28px 0 48px;
}
.crumbs{font-size:13px;color:var(--subtle);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--subtle);transition:color var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#B9C4BE}
.crumbs .now{color:var(--brand-deep);font-weight:600}
.page-head h1{
  font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.22;
  color:var(--brand-deep);margin:18px 0 14px;max-width:840px;
}
.page-head .lead{
  font-size:16px;line-height:1.85;color:var(--subtle);
  max-width:720px;margin-bottom:22px;
}
.jump-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--subtle);font-weight:500;
  transition:border-color var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.jump-pill:hover{color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-soft)}
.jump-pill i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:block}
/* ---------- FAQ ---------- */
.faq-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--brand-deep);
  margin:34px 0 14px;
}
.faq-group-title:first-child{margin-top:0}
.faq-group-title .bar{width:4px;height:18px;border-radius:2px;background:var(--grad);flex:none}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-smcard);
  margin-bottom:12px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(14,158,126,.35)}
.faq-item.open{border-color:rgba(14,158,126,.5);box-shadow:0 12px 30px rgba(6,50,42,.08)}
.faq-q{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 20px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-item.open .faq-q{color:var(--brand-deep)}
.faq-icon{position:relative;width:20px;height:20px;flex:none;transition:transform 250ms cubic-bezier(.2,.7,.3,1)}
.faq-icon::before,.faq-icon::after{
  content:'';position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:9px;top:2px;width:2px;height:16px}
.faq-icon::after{top:9px;left:2px;width:16px;height:2px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;padding:0 20px;
  transition:max-height 300ms cubic-bezier(.2,.7,.3,1),padding 300ms cubic-bezier(.2,.7,.3,1);
}
.faq-item.open .faq-a{padding:0 20px 20px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--subtle);margin:0 0 10px}
.faq-a p:last-child{margin-bottom:0}
.faq-a strong{color:var(--brand-deep);font-weight:600}
/* ---------- 表单 ---------- */
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-soft);overflow:hidden;
}
.contact-cover{aspect-ratio:16/9;overflow:hidden}
.contact-cover img{width:100%;height:100%;object-fit:cover}
.field{margin-bottom:16px}
.field label{
  display:block;font-size:14px;font-weight:600;color:var(--brand-deep);margin-bottom:8px;
}
.field .req{color:var(--orange);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-field);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:15px;line-height:1.5;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(14,158,126,.5)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,158,126,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA8A2}
.field .err{display:block;font-size:13px;color:var(--orange);margin-top:6px}
.privacy{
  display:flex;gap:10px;align-items:flex-start;
  font-size:12.5px;line-height:1.7;color:var(--subtle);
}
.privacy input[type="checkbox"]{
  width:18px;height:18px;border-radius:6px;margin-top:2px;flex:none;
  accent-color:var(--brand);
}
.privacy a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
.form-tip{font-size:13.5px;color:var(--subtle);margin-top:12px;min-height:20px}
.form-tip.is-ok{color:var(--brand-dark);font-weight:600}
/* ---------- CTA 条 ---------- */
.cta-band{
  background:
    radial-gradient(600px 260px at 12% 10%, rgba(199,242,76,.18), transparent 70%),
    linear-gradient(120deg,#06322A 0%,#0A7A61 62%,#0E9E7E 100%);
  border-radius:var(--r-card);
  padding:44px 32px;color:#fff;
  position:relative;overflow:hidden;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.78);max-width:620px;margin-bottom:0;font-size:15.5px}
/* ---------- 相关分类 ---------- */
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14.5px;font-weight:600;color:var(--brand-deep);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.cat-pill:hover{
  transform:translateY(-3px);border-color:var(--brand);
  background:rgba(199,242,76,.16);box-shadow:var(--sh-soft);
}
.cat-pill span.arrow{color:var(--brand);font-weight:700}
/* ---------- 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity 220ms ease;
}
.modal.open{opacity:1;pointer-events:auto}
.modal-mask{
  position:absolute;inset:0;background:rgba(6,50,42,.55);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
}
.modal-card{
  position:relative;width:100%;max-width:560px;background:#fff;
  border-radius:24px;padding:28px;max-height:88vh;overflow:auto;
  box-shadow:0 30px 80px rgba(6,50,42,.32);
  transform:translateY(14px);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
}
.modal.open .modal-card{transform:translateY(0)}
.modal-card h3{font-size:22px;font-weight:800;color:var(--brand-deep);margin-bottom:6px}
.modal-card .sub{font-size:14px;color:var(--subtle);margin-bottom:18px}
.modal-close{
  position:absolute;top:12px;right:12px;width:44px;height:44px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;font-size:20px;line-height:1;color:var(--subtle);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.modal-close:hover{background:rgba(14,158,126,.08);color:var(--brand-deep);border-color:var(--brand)}
@media (max-width:640px){
  .modal{align-items:flex-end;padding:0}
  .modal-card{border-radius:24px 24px 0 0;max-width:100%;max-height:92vh}
}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);color:rgba(255,255,255,.8);
  padding:60px 0 26px;margin-top:0;
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:#fff;
}
.footer-brand .brand-mark{background:var(--grad);color:#06322A}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;
  letter-spacing:.01em;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.68);
  transition:color var(--ease),text-decoration-color var(--ease);
  text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;
}
.footer-links a:hover{color:var(--lime);text-decoration-color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:20px;font-size:13px;color:rgba(255,255,255,.55);
}
.small{font-size:14px;line-height:1.8}
/* ---------- 动效 ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.reveal{animation:riseIn .6s cubic-bezier(.2,.7,.3,1) both}
.reveal-2{animation-delay:.08s}
.reveal-3{animation-delay:.16s}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-side{display:none}
  .nav-inner{grid-template-columns:1fr auto}
  .brand{justify-self:start;font-size:16px}
  .burger{display:inline-flex}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:639px){
  .brand-text{font-size:15px}
  .footer-top{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .page-head{padding:20px 0 34px}
  .faq-q{padding:14px 16px;font-size:15.5px}
  .faq-a{padding:0 16px}
  .faq-item.open .faq-a{padding:0 16px 18px}
}