/* roulang page: index */
:root{
  --c-primary:#0E9F6E;
  --c-primary-d:#0B8557;
  --c-primary-50:#E6F6EF;
  --c-accent:#FF8A3D;
  --c-accent-50:#FFF1E6;
  --c-ink:#12161C;
  --c-text:#3D454F;
  --c-muted:#6B7480;
  --c-bg:#F5F8F6;
  --c-card:#FFFFFF;
  --c-line:#E4EAE6;
  --c-deep:#0A3D33;
  --c-deep-2:#9FBDB2;
  --c-danger:#E4573D;
  --r-card:18px;
  --r-media:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-tag:8px;
  --sh-1:0 1px 2px rgba(18,22,28,.05);
  --sh-2:0 12px 28px -12px rgba(14,159,110,.18);
  --sh-3:0 18px 36px -14px rgba(14,159,110,.28);
  --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",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.mono{font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--c-line);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(10,61,51,.45)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;height:72px}
.nav-group{display:flex;align-items:center;gap:30px}
.nav-group.right{justify-content:flex-end}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap;letter-spacing:-.01em}
.brand:hover{color:var(--c-ink)}
.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;letter-spacing:-.02em;flex:none}
.nav-link-x{position:relative;font-size:15px;font-weight:500;color:var(--c-text);padding:8px 0;transition:color .2s var(--ease)}
.nav-link-x:hover{color:var(--c-primary)}
.nav-link-x.is-active{color:var(--c-primary);font-weight:600}
.nav-link-x.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{display:none;overflow:hidden;max-height:0;transition:max-height .32s var(--ease);border-top:1px solid var(--c-line);background:rgba(255,255,255,.97)}
.mobile-panel.is-open{max-height:440px}
.mobile-panel ul{padding:6px 0}
.mobile-panel li a{display:flex;align-items:center;height:48px;padding:0 4px;font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.mobile-panel li:last-child a{border-bottom:0}
.mobile-panel li a.is-active{color:var(--c-primary);font-weight:600}
.mobile-panel .m-cta{margin:14px 0 20px;display:flex}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .2s var(--ease);white-space:nowrap}
.btn-main{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.btn-main:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm-x{height:42px;padding:0 20px;font-size:14px}
.btn-on-dark{background:#fff;border-color:#fff;color:var(--c-deep)}
.btn-on-dark:hover{background:var(--c-accent-50);border-color:var(--c-accent-50);color:#C25A15;transform:translateY(-2px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary)}
.link-more:hover{gap:10px;color:var(--c-primary-d)}

/* ---------- 徽章 / 标签 ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em}
.chip-green{background:var(--c-primary-50);color:var(--c-primary-d)}
.chip-orange{background:var(--c-accent-50);color:#C25A15}
.tag-s{display:inline-flex;height:24px;align-items:center;padding:0 10px;border-radius:var(--r-tag);background:var(--c-primary-50);color:var(--c-primary-d);font-size:12px;font-weight:600}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;width:5px;height:.9em;border-radius:3px;background:var(--c-primary)}
.sec-sub{font-size:14.5px;color:var(--c-muted);margin-top:10px;padding-left:16px}
.sec-head-center{flex-direction:column;align-items:center;text-align:center}
.sec-head-center .sec-title{padding-left:0}
.sec-head-center .sec-title::before{left:-16px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 80px}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(880px 460px at 10% -12%,rgba(14,159,110,.10),transparent 66%),
             radial-gradient(700px 420px at 94% 6%,rgba(255,138,61,.10),transparent 62%);}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.8;color:var(--c-muted);max-width:580px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--c-muted)}
.hero-trust i{color:var(--c-primary);font-size:12px}
.hero-media{display:flex;justify-content:center}
.phone-card{position:relative;width:100%;max-width:356px;aspect-ratio:9/16;border-radius:var(--r-card);overflow:hidden;
  background-color:#0B8557;
  background-image:linear-gradient(180deg,rgba(10,61,51,.12) 0%,rgba(10,61,51,.58) 58%,rgba(10,61,51,.90) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);transition:box-shadow .3s var(--ease)}
.phone-card:hover{box-shadow:var(--sh-3)}
.play-btn{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);width:66px;height:66px;border-radius:50%;background:rgba(255,255,255,.30);border:1px solid rgba(255,255,255,.62);display:grid;place-items:center;cursor:pointer;transition:transform .22s var(--ease)}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.07)}
.play-btn::after{content:"";width:0;height:0;border-left:16px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:5px}
.dur-pill{position:absolute;right:14px;top:14px;height:26px;padding:0 10px;border-radius:var(--r-pill);background:rgba(10,61,51,.6);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center;font-variant-numeric:tabular-nums}
.phone-tags{position:absolute;left:16px;bottom:18px;display:flex;flex-direction:column;gap:8px;max-width:72%}
.phone-tag{display:inline-flex;align-self:flex-start;padding:6px 12px;border-radius:var(--r-tag);background:rgba(255,255,255,.94);color:var(--c-ink);font-size:12.5px;font-weight:600}
.phone-acts{position:absolute;right:14px;bottom:86px;display:flex;flex-direction:column;gap:14px}
.phone-act{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.9);color:var(--c-primary-d);display:grid;place-items:center;font-size:15px;transition:transform .2s var(--ease)}
.phone-act:hover{transform:scale(1.08)}

/* ---------- 数据条 ---------- */
.metrics{padding:0 0 8px}
.metrics-inner{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:30px 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{border-left:1px solid var(--c-line);padding-left:26px}
.metric:first-child{border-left:0;padding-left:0}
.metric-num{font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--c-ink);line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.metric-num em{font-size:14px;font-weight:600;color:var(--c-primary);font-style:normal;margin-left:5px}
.metric-label{font-size:13.5px;color:var(--c-muted);margin-top:8px}

/* ---------- 片段卡 ---------- */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.clip-card{position:relative;display:block;border-radius:var(--r-card);overflow:hidden;aspect-ratio:3/4;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.clip-card:hover img{transform:scale(1.03)}
.clip-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,61,51,0) 40%,rgba(10,61,51,.75) 100%)}
.clip-badge{position:absolute;left:14px;top:14px;height:26px;padding:0 10px;border-radius:var(--r-tag);background:rgba(255,241,230,.94);color:#C25A15;font-size:12px;font-weight:600;display:inline-flex;align-items:center}
.clip-info{position:absolute;left:16px;right:16px;bottom:16px;color:#fff}
.clip-title{font-size:17px;font-weight:600;line-height:1.4;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-meta{display:flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(255,255,255,.88);margin-top:8px;font-variant-numeric:tabular-nums}

/* ---------- 种草清单 ---------- */
.seed-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.seed-item{display:flex;gap:16px;padding:24px 0;border-bottom:1px solid var(--c-line);align-items:flex-start}
.seed-item:last-child{border-bottom:1px solid var(--c-line)}
.seed-num{flex:none;width:36px;height:36px;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary);display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.seed-body{flex:1;min-width:0}
.seed-title{font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.4;margin-bottom:6px}
.seed-text{font-size:15px;color:var(--c-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.seed-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.seed-foot{margin-top:32px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}

/* ---------- 口碑条 ---------- */
.review-wrap{position:relative}
.review-wrap::before,.review-wrap::after{content:"";position:absolute;top:0;bottom:18px;width:24px;z-index:2;pointer-events:none}
.review-wrap::before{left:0;background:linear-gradient(90deg,var(--c-bg),rgba(245,248,246,0))}
.review-wrap::after{right:0;background:linear-gradient(270deg,var(--c-bg),rgba(245,248,246,0))}
.review-track{display:flex;gap:16px;overflow-x:auto;padding:4px 0 18px;scroll-snap-type:x proximity;scrollbar-width:thin}
.review-track::-webkit-scrollbar{height:6px}
.review-track::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:3px}
.review-card{flex:0 0 306px;background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:20px;scroll-snap-align:start;transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.review-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.review-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));flex:none}
.review-name{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.3}
.review-role{font-size:12.5px;color:var(--c-muted);line-height:1.4}
.review-text{font-size:14.5px;line-height:1.7;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.review-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.stars{color:var(--c-accent);font-size:12px;letter-spacing:2px}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,var(--c-primary),var(--c-accent))}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-badge{align-self:flex-start;height:24px;padding:0 10px;border-radius:var(--r-tag);background:var(--c-primary-50);color:var(--c-primary-d);font-size:12px;font-weight:600;display:inline-flex;align-items:center;margin-bottom:12px}
.news-title{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--c-ink)}
.news-title a:hover{color:var(--c-primary)}
.news-desc{font-size:14.5px;color:var(--c-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:14px;font-variant-numeric:tabular-nums}
.news-meta .dot{color:var(--c-line)}
.news-empty{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);padding:40px;text-align:center}
.news-empty .empty-mark{width:58px;height:58px;border-radius:16px;background:var(--c-primary-50);color:var(--c-primary);display:grid;place-items:center;font-size:22px}
.news-empty p{color:var(--c-muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{border:1px solid var(--c-line);border-radius:14px;margin-bottom:12px;background:#fff;overflow:hidden;box-shadow:var(--sh-1)}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-button{position:relative;background:#fff;color:var(--c-ink);font-weight:600;font-size:17px;line-height:1.5;padding:20px 56px 20px 22px;box-shadow:none;border:0;border-radius:14px;transition:color .2s var(--ease)}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:#fff;box-shadow:none}
.faq-acc .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--c-primary)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px;border-radius:14px}
.faq-acc .accordion-button::after{content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;margin:0;background:none;border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);transform:translateY(-70%) rotate(45deg);transition:transform .22s var(--ease),border-color .22s var(--ease)}
.faq-acc .accordion-button:not(.collapsed)::after{border-color:var(--c-primary);transform:translateY(-30%) rotate(-135deg)}
.faq-acc .accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.8;color:var(--c-text)}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-deep);border-radius:24px;padding:46px 50px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.18}
.cta-band > *{position:relative;z-index:1}
.cta-title{color:#fff;font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.35;margin-bottom:10px}
.cta-sub{color:var(--c-deep-2);font-size:15px;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:var(--c-deep-2);padding:64px 0 0;margin-top:96px;border-top:1px solid rgba(14,159,110,.22)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{color:#fff;font-size:17px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-mark{box-shadow:0 0 0 1px rgba(255,255,255,.12)}
.footer-desc{font-size:14px;line-height:1.85;color:var(--c-deep-2);margin-top:18px;max-width:330px}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:11px}
.footer-links a{color:var(--c-deep-2);font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-plain li{color:var(--c-deep-2);font-size:14px;margin-bottom:11px}
.footer-contact p{font-size:14px;color:var(--c-deep-2);margin-bottom:10px}
.qr-box{width:98px;height:98px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;color:var(--c-deep-2);font-size:12px;margin-top:16px;text-align:center;line-height:1.4}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--c-deep-2)}

/* ---------- 移动端固定条 ---------- */
.mobile-buy{display:none}
@media (max-width:767.98px){
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
  .mobile-buy{display:flex;align-items:center;justify-content:space-between;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:1050;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);box-shadow:0 -8px 24px -18px rgba(10,61,51,.5)}
  .mobile-buy .mb-text{font-size:12.5px;color:var(--c-muted);line-height:1.35}
  .mobile-buy .mb-text strong{display:block;color:var(--c-ink);font-size:15px;font-weight:600}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .clip-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
  .nav-group{display:none}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;font-size:13px;border-radius:9px}
  .nav-toggle{display:flex}
  .mobile-panel{display:block}
  .hero{padding:40px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .phone-card{max-width:290px;aspect-ratio:3/4}
  .seed-list{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .clip-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-band{padding:36px 32px}
}
@media (max-width:767.98px){
  .metrics-inner{grid-template-columns:repeat(2,1fr);gap:22px;padding:24px}
  .metric{padding-left:20px}
  .metric:nth-child(3){border-left:0;padding-left:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;border-radius:18px}
  .cta-band .btn-main{width:100%}
  .sec-head{margin-bottom:26px}
  .sec-head-center{align-items:flex-start;text-align:left}
  .sec-head-center .sec-title{padding-left:16px}
  .sec-head-center .sec-title::before{left:0}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero h1{font-size:28px}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .clip-grid{display:flex;overflow-x:auto;gap:14px;scroll-snap-type:x mandatory;padding:0 16px 14px;margin:0 -16px}
  .clip-card{flex:0 0 62vw;scroll-snap-align:start}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .review-card{flex:0 0 84vw}
}

/* roulang page: article */
:root{
  --c-primary:#0E9F6E;
  --c-primary-d:#0B8557;
  --c-primary-50:#E6F6EF;
  --c-accent:#FF8A3D;
  --c-accent-50:#FFF1E6;
  --c-ink:#12161C;
  --c-text:#3D454F;
  --c-muted:#6B7480;
  --c-bg:#F5F8F6;
  --c-card:#FFFFFF;
  --c-line:#E4EAE6;
  --c-deep:#0A3D33;
  --c-deep-2:#9FBDB2;
  --r-card:18px;
  --r-media:14px;
  --r-pill:999px;
  --r-small:8px;
  --sh-1:0 1px 2px rgba(18,22,28,.05);
  --sh-card:0 12px 28px -12px rgba(14,159,110,.18);
  --sh-hover:0 18px 36px -14px rgba(14,159,110,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-d)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.01em}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,248,246,.86);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 20px -14px rgba(18,22,28,.22);
  backdrop-filter:blur(6px);
}
.header-inner{
  min-height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.nav-group{display:flex;align-items:center;gap:26px}
.nav-group.right{justify-content:flex-end}
.nav-link-x{
  position:relative;color:var(--c-text);font-size:15px;font-weight:500;padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:center;transition:transform .22s var(--ease);border-radius:2px;
}
.nav-link-x:hover{color:var(--c-primary)}
.nav-link-x:hover::after,.nav-link-x.is-active::after{transform:scaleX(1)}
.nav-link-x.is-active{color:var(--c-primary);font-weight:600}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;font-size:19px;letter-spacing:-.02em}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;font-size:16px;font-weight:800;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));flex:0 0 auto;
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-primary);color:#fff;border:none;border-radius:var(--r-pill);
  padding:12px 22px;font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:0 8px 18px -10px rgba(14,159,110,.5);
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(14,159,110,.55)}
.btn-main:active{transform:translateY(1px)}
.btn-sm-x{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--c-ink);
  border:1px solid var(--c-line);border-radius:var(--r-pill);padding:11px 20px;font-size:15px;font-weight:600;
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:12px;
  padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:all .22s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:rgba(255,255,255,.97)}
.mobile-panel.open{display:block}
.mobile-panel ul{padding:8px 0}
.mobile-panel li a{
  display:flex;align-items:center;min-height:48px;color:var(--c-ink);font-size:16px;font-weight:500;
  border-bottom:1px solid var(--c-line);
}
.mobile-panel li:last-child a{border-bottom:none}
.mobile-panel li a.is-active{color:var(--c-primary);font-weight:600}
.m-cta{width:100%;margin:14px 0 20px}

/* ---------- article ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--c-muted)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C3CDC7}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .now{color:var(--c-ink);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-wrap{max-width:780px;margin:0 auto;padding:0 24px}
.article-head{padding:44px 0 8px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-50);color:var(--c-primary-d);
  font-size:12px;font-weight:600;letter-spacing:.02em;padding:5px 12px;border-radius:var(--r-small);
}
.article-title{font-size:clamp(24px,3.4vw,38px);line-height:1.32;font-weight:800;letter-spacing:-.02em;margin:16px 0 0}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13.5px;color:var(--c-muted);
}
.article-meta i{color:var(--c-primary);margin-right:5px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line)}
.article-hero-media{margin-top:26px;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.article-hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}

.article-body{padding:30px 0 8px;font-size:16px;line-height:1.85;color:var(--c-text)}
.article-body>*+*{margin-top:20px}
.article-body p{line-height:1.85}
.article-body>p:first-child{
  border-left:4px solid var(--c-primary);padding-left:18px;font-size:17.5px;line-height:1.8;color:var(--c-ink);
}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,25px);font-weight:700;line-height:1.4;
  margin-top:40px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-primary);
}
.article-body h3{font-size:18px;font-weight:600;margin-top:28px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body img{border-radius:12px;margin-left:auto;margin-right:auto;box-shadow:var(--sh-1)}
.article-body figcaption,.article-body .caption{
  text-align:center;font-size:13px;color:var(--c-muted);margin-top:10px;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--c-primary-50);border-left:4px solid var(--c-primary);
  border-radius:0 12px 12px 0;color:var(--c-ink);
}
.article-body ul,.article-body ol{padding-left:24px;margin-top:18px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:8px 0;line-height:1.8}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin-top:22px;
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--c-primary-50);color:var(--c-ink);font-weight:600}
.article-body code{background:#EEF4F1;border-radius:6px;padding:2px 6px;font-size:14px}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0}

.empty-box{
  margin:48px 0;text-align:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;box-shadow:var(--sh-1);
}
.empty-box .ico{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;display:grid;place-items:center;color:#fff;font-size:26px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
}
.empty-box h3{font-size:20px;margin-bottom:8px}
.empty-box p{color:var(--c-muted);font-size:15px}
.empty-box .btn-main{margin-top:20px}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding:28px 0 0;border-top:1px solid var(--c-line);margin-top:34px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-text);font-size:13px;font-weight:500;
  transition:all .2s var(--ease);
}
.tag-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.tag-pill i{color:var(--c-accent)}

.react-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;
  margin-top:24px;padding:16px 18px;background:#fff;border:1px solid var(--c-line);border-radius:14px;box-shadow:var(--sh-1);
}
.react-bar .txt{font-size:14px;color:var(--c-muted)}
.react-actions{display:flex;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);font-size:13.5px;cursor:pointer;
  transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.icon-btn.is-on{background:var(--c-primary-50);border-color:var(--c-primary);color:var(--c-primary-d)}

.back-row{display:flex;flex-wrap:wrap;gap:14px;padding:34px 0 8px}

/* ---------- related ---------- */
.sec{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.sec-title{position:relative;font-size:clamp(21px,2.6vw,29px);font-weight:700;padding-left:16px}
.sec-title::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:3px;background:var(--c-primary);
}
.sec-sub{margin-top:10px;color:var(--c-muted);font-size:14.5px}
.sec-link{font-size:14.5px;font-weight:600;white-space:nowrap}
.sec-link:hover{text-decoration:underline}

.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.rel-thumb{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--c-primary),var(--c-accent))}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-thumb .chip{
  position:absolute;left:12px;top:12px;background:rgba(10,61,51,.78);color:#fff;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:var(--r-small);letter-spacing:.02em;
}
.rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{
  font-size:17px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-body h3{color:var(--c-primary)}
.rel-body p{
  font-size:14px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-foot{display:flex;justify-content:space-between;font-size:12.5px;color:var(--c-muted);border-top:1px dashed var(--c-line);padding-top:10px;margin-top:auto}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;border-radius:var(--r-card);overflow:hidden;color:#fff;
  background:var(--c-deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  box-shadow:var(--sh-card);
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,61,51,.94),rgba(10,61,51,.62))}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:40px}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.6vw,28px);font-weight:700}
.cta-inner p{color:var(--c-deep-2);font-size:15px;margin-top:10px;max-width:52ch}
.cta-inner .btn-main{background:var(--c-accent);box-shadow:0 12px 26px -12px rgba(255,138,61,.7)}
.cta-inner .btn-main:hover{background:#F07A2B}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:var(--c-deep-2);margin-top:88px;padding:64px 0 26px;border-top:1px solid rgba(14,159,110,.28)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand .brand{color:#fff;font-size:18px}
.footer-brand .brand:hover{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--c-deep-2);max-width:34ch}
.footer-title{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-links li,.footer-plain li{margin-bottom:10px;font-size:14px}
.footer-links a{color:var(--c-deep-2)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact p{font-size:14px;margin-bottom:10px}
.qr-box{
  width:104px;height:104px;border:1px dashed rgba(159,189,178,.5);border-radius:12px;display:grid;place-items:center;
  font-size:12px;color:var(--c-deep-2);margin-top:14px;text-align:center;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(159,189,178,.22);font-size:13px;color:var(--c-deep-2);
}

/* ---------- mobile bar ---------- */
.mobile-buybar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  box-shadow:0 -8px 24px -18px rgba(18,22,28,.35);
}
.mobile-buybar .inner{display:flex;gap:10px;align-items:center}
.mobile-buybar .btn-ghost,.mobile-buybar .btn-main{flex:1;padding:13px 12px;font-size:14.5px}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .rel-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .nav-group{display:none}
  .nav-toggle{display:inline-flex;justify-self:end}
  .header-inner{grid-template-columns:auto 1fr auto;min-height:60px}
  .brand{justify-self:start;font-size:17px}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:14px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .sec{padding:64px 0}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-wrap{padding:0 16px}
  .crumb .now{max-width:22ch}
  .sec{padding:48px 0}
  .rel-grid{grid-template-columns:1fr;gap:18px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn-main{width:100%}
  .mobile-buybar{display:block}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .article-head{padding:30px 0 6px}
  .react-bar{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .brand span:last-child{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E9F6E;
  --c-primary-d:#0B8557;
  --c-primary-50:#E6F6EF;
  --c-accent:#FF8A3D;
  --c-accent-50:#FFF1E6;
  --c-ink:#12161C;
  --c-text:#3D454F;
  --c-muted:#6B7480;
  --c-bg:#F5F8F6;
  --c-card:#FFFFFF;
  --c-line:#E4EAE6;
  --c-deep:#0A3D33;
  --c-deep-2:#9FBDB2;
  --r-card:18px;
  --r-media:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-tag:8px;
  --sh-1:0 1px 2px rgba(18,22,28,.05);
  --sh-card:0 12px 28px -12px rgba(14,159,110,.18);
  --sh-hover:0 18px 36px -14px rgba(14,159,110,.28);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*{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",Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}

/* ---------- 按钮与标签 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-primary);color:#fff;border-radius:var(--r-pill);
  padding:14px 28px;font-size:15px;font-weight:700;letter-spacing:.01em;
  box-shadow:0 8px 18px -12px rgba(14,159,110,.6);
  transition:transform var(--t),background var(--t),box-shadow var(--t),color var(--t);
}
.btn-main:hover{background:#12ad79;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-main:active{transform:translateY(1px)}
.btn-sm-x{padding:10px 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--c-ink);border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:13px 26px;font-size:15px;font-weight:600;
  transition:transform var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(1px)}
.link-more{color:var(--c-primary);font-weight:600;font-size:15px}
.link-more:hover{text-decoration:underline;text-underline-offset:4px}

.badge-x{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.02em;padding:5px 12px;border-radius:var(--r-tag);background:var(--c-primary-50);color:var(--c-primary-d)}
.badge-accent{background:var(--c-accent-50);color:#C2560F}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(245,248,246,.94);border-bottom:1px solid transparent;transition:background var(--t),box-shadow var(--t),border-color var(--t)}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--c-line);box-shadow:0 6px 18px -14px rgba(18,22,28,.28)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:72px}
.nav-group{display:flex;align-items:center;gap:26px}
.nav-group.left{justify-content:flex-start}
.nav-group.right{justify-content:flex-end;gap:18px}
.nav-link-x{position:relative;font-size:15px;font-weight:600;color:var(--c-text);padding:6px 2px;white-space:nowrap;transition:color var(--t)}
.nav-link-x::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-link-x:hover{color:var(--c-primary)}
.nav-link-x:hover::after,.nav-link-x.is-active::after{transform:scaleX(1)}
.nav-link-x.is-active{color:var(--c-primary)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--c-ink);white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;background:linear-gradient(135deg,var(--c-primary),#17b981);box-shadow:0 6px 14px -10px rgba(14,159,110,.8)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{max-height:0;overflow:hidden;opacity:0;background:rgba(255,255,255,.96);border-bottom:1px solid transparent;transition:max-height .32s cubic-bezier(.2,.7,.3,1),opacity .2s ease,border-color var(--t)}
.mobile-panel.is-open{max-height:78vh;overflow:auto;opacity:1;border-bottom-color:var(--c-line);box-shadow:0 18px 30px -20px rgba(18,22,28,.35)}
.mobile-panel ul{padding:8px 0}
.mobile-panel ul li a{display:block;height:48px;line-height:48px;font-size:16px;font-weight:600;color:var(--c-text);border-bottom:1px solid var(--c-line)}
.mobile-panel ul li a.is-active{color:var(--c-primary)}
.mobile-panel .m-cta{display:flex;width:100%;margin:16px 0 20px}
@media(min-width:992px){.mobile-panel{display:none!important}}

/* ---------- 页头 ---------- */
.page-hero{position:relative;padding:56px 0 88px;background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);overflow:hidden}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:26px}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#BFC9C4}
.crumb a:hover{color:var(--c-primary)}
.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--c-primary-d);background:var(--c-primary-50);border-radius:var(--r-pill);padding:7px 16px}
.page-hero h1{margin-top:20px;font-size:clamp(28px,4.6vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.02em}
.page-hero .lede{margin-top:18px;font-size:17px;line-height:1.8;color:var(--c-text);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-line{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-muted)}
.trust-line i{color:var(--c-primary)}
.hero-media{position:relative;aspect-ratio:3/4;max-width:420px;margin-left:auto;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);background:linear-gradient(135deg,var(--c-primary),var(--c-accent))}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,61,51,0) 38%,rgba(10,61,51,.78) 100%)}
.media-pill{position:absolute;right:16px;top:16px;z-index:2;background:rgba(10,61,51,.6);color:#fff;font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill)}
.media-caption{position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:#fff}
.media-caption strong{display:block;font-size:17px;font-weight:700}
.media-caption span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.78)}

/* ---------- 通用板块标题 ---------- */
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .sec-title{padding-left:0}
.section-head.center .sec-title::before{display:none}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700}
.sec-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:var(--r-pill);background:var(--c-primary)}
.sec-sub{margin-top:14px;font-size:16px;color:var(--c-muted);padding-left:16px}
.section-head.center .sec-sub{padding-left:0}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split+.split{margin-top:88px}
.split.reverse .split-media{order:2}
.split-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);aspect-ratio:4/3;background:linear-gradient(135deg,var(--c-primary),var(--c-accent))}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.split:hover .split-media img{transform:scale(1.03)}
.split-body h3{font-size:clamp(20px,2.4vw,26px);line-height:1.35}
.split-body p{margin-top:16px;font-size:16px;line-height:1.8;color:var(--c-text)}
.mini-list{margin-top:22px;display:grid;gap:12px}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-text)}
.mini-list li i{color:var(--c-primary);margin-top:5px;font-size:13px}
.ol-steps{margin-top:24px;display:grid;gap:18px}
.ol-steps li{display:flex;gap:14px;align-items:flex-start}
.step-num{flex:0 0 32px;width:32px;height:32px;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary);display:grid;place-items:center;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.ol-steps strong{display:block;font-size:16px;color:var(--c-ink);font-weight:600}
.ol-steps span{display:block;font-size:14px;color:var(--c-muted);margin-top:2px}

/* ---------- 对照表 ---------- */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.cmp-table{width:100%;min-width:680px;border-collapse:collapse}
.cmp-table thead th{background:var(--c-primary-50);color:var(--c-ink);text-align:left;font-size:14px;font-weight:700;padding:16px 22px;border-bottom:1px solid var(--c-line);white-space:nowrap}
.cmp-table td{padding:17px 22px;font-size:15px;color:var(--c-text);border-bottom:1px solid var(--c-line);vertical-align:top}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr{transition:background var(--t)}
.cmp-table tbody tr:hover{background:#FAFCFB}
.cmp-table td strong{color:var(--c-ink);font-weight:600}
.table-note{margin-top:14px;font-size:13px;color:var(--c-muted)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:14px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);transform:scaleY(0);transform-origin:top;transition:transform var(--t)}
.faq-item.is-open{border-color:rgba(14,159,110,.35);box-shadow:var(--sh-card)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-h{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);transition:color var(--t)}
.faq-q:hover{color:var(--c-primary)}
.faq-q:not(.collapsed){color:var(--c-primary)}
.chev{flex:0 0 auto;color:var(--c-muted);transition:transform var(--t),color var(--t)}
.faq-q:not(.collapsed) .chev{transform:rotate(180deg);color:var(--c-primary)}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-deep);border-radius:22px;padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band .cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18;z-index:0}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,61,51,.92) 0%,rgba(10,61,51,.62) 100%);z-index:1}
.cta-copy,.cta-action{position:relative;z-index:2}
.cta-copy h3{color:#fff;font-size:clamp(20px,2.6vw,28px);line-height:1.35}
.cta-copy p{margin-top:10px;color:var(--c-deep-2);font-size:15px}
.cta-action{flex:0 0 auto}
.cta-action .btn-main{background:var(--c-accent);box-shadow:0 10px 22px -14px rgba(255,138,61,.9)}
.cta-action .btn-main:hover{background:#ff9a55}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sec);background:var(--c-deep);color:var(--c-deep-2)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px;border-top:1px solid rgba(14,159,110,.35)}
.site-footer .brand{color:#fff}
.site-footer .brand-mark{background:linear-gradient(135deg,var(--c-primary),#17b981)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:var(--c-deep-2);max-width:320px}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px}
.footer-links li+li,.footer-plain li+li{margin-top:11px}
.footer-links a,.footer-plain li{font-size:14px;color:var(--c-deep-2);transition:color var(--t)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact p{font-size:14px;margin-bottom:10px}
.qr-box{margin-top:14px;width:96px;height:96px;border-radius:12px;border:1px dashed rgba(159,189,178,.5);display:grid;place-items:center;font-size:12px;color:var(--c-deep-2)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#7FA598}

/* ---------- 移动端固定条 ---------- */
.mobile-cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:1030;display:none;align-items:center;justify-content:space-between;gap:12px;height:64px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);box-shadow:0 -8px 22px -18px rgba(18,22,28,.4)}
.mobile-cta-bar span{font-size:13px;color:var(--c-muted)}

/* ---------- 响应式 ---------- */
@media(max-width:1199.98px){
  :root{--sec:80px}
  .page-hero-grid{gap:40px}
}
@media(max-width:991.98px){
  :root{--sec:64px}
  .header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
  .nav-group{display:none}
  .nav-toggle{display:inline-flex}
  .brand{font-size:17px}
  .brand-mark{width:30px;height:30px;font-size:15px;border-radius:9px}
  .page-hero{padding:36px 0 64px}
  .page-hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{max-width:none;margin:0 auto;aspect-ratio:4/5;width:100%}
  .split{grid-template-columns:1fr;gap:26px}
  .split.reverse .split-media{order:0}
  .split+.split{margin-top:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .cta-action .btn-main{width:100%}
}
@media(max-width:767.98px){
  :root{--sec:48px}
  .container{padding:0 16px}
  .section-head{margin-bottom:32px}
  body{padding-bottom:72px}
  .mobile-cta-bar{display:flex}
  .cmp-table thead th,.cmp-table td{padding:14px 16px}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a{padding:0 18px 18px;font-size:15px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .brand span:last-child{max-width:170px;overflow:hidden;text-overflow:ellipsis}
  .page-hero h1{font-size:26px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E9F6E;
  --c-primary-d:#0B8557;
  --c-primary-50:#E6F6EF;
  --c-accent:#FF8A3D;
  --c-accent-50:#FFF1E6;
  --c-ink:#12161C;
  --c-text:#3D454F;
  --c-muted:#6B7480;
  --c-bg:#F5F8F6;
  --c-card:#FFFFFF;
  --c-line:#E4EAE6;
  --c-deep:#0A3D33;
  --c-deep-2:#9FBDB2;
  --c-error:#E4573D;
  --r-card:18px;
  --r-media:14px;
  --r-pill:999px;
  --r-sm:8px;
  --sh-1:0 1px 2px rgba(18,22,28,.05);
  --sh-2:0 12px 28px -12px rgba(14,159,110,.18);
  --sh-3:0 18px 36px -14px rgba(14,159,110,.28);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:96px 0}
.sec-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700}
.sec-sub{margin-top:12px;font-size:15px;color:var(--c-muted)}
.sec-head .bar{display:block;width:36px;height:4px;border-radius:99px;background:var(--c-primary);margin-bottom:16px}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-primary-50);color:var(--c-primary-d);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-sm);
}
.badge-accent{background:var(--c-accent-50);color:#C25A16}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.9);
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--c-line);
  box-shadow:0 1px 2px rgba(18,22,28,.05);
  backdrop-filter:saturate(180%) blur(8px);
}
.header-inner{
  height:72px;display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:16px;
}
.nav-group{display:flex;align-items:center;gap:22px}
.nav-group.right{justify-content:flex-end;gap:18px}
.nav-link-x{
  position:relative;color:var(--c-text);font-size:15px;font-weight:500;
  padding:6px 0;white-space:nowrap;transition:color var(--t);
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);border-radius:99px;
}
.nav-link-x:hover{color:var(--c-primary)}
.nav-link-x:hover::after,.nav-link-x.is-active::after{transform:scaleX(1)}
.nav-link-x.is-active{color:var(--c-primary);font-weight:600}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--c-ink);font-weight:700;font-size:18px;letter-spacing:-.01em;white-space:nowrap;
}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;display:grid;place-items:center;font-size:15px;font-weight:800;
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-primary);color:#fff;border:1px solid var(--c-primary);
  border-radius:var(--r-pill);padding:12px 24px;font-size:15px;font-weight:600;
  cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t);
}
.btn-main:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-main:active{transform:translateY(1px);box-shadow:var(--sh-2)}
.btn-main.btn-sm-x{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--c-ink);border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:12px 24px;font-size:15px;font-weight:600;
  transition:border-color var(--t),color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);background:#fff;
  border-radius:12px;padding:0;place-items:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;margin:3px auto;transition:transform var(--t),opacity var(--t)}
.mobile-panel{
  display:none;background:rgba(255,255,255,.97);
  border-top:1px solid var(--c-line);
  backdrop-filter:blur(6px);
  box-shadow:0 18px 30px -22px rgba(18,22,28,.4);
}
.mobile-panel.is-open{display:block}
.mobile-panel ul{padding:8px 0}
.mobile-panel li a{
  display:flex;align-items:center;height:48px;color:var(--c-ink);
  font-size:16px;font-weight:500;border-bottom:1px solid var(--c-line);
}
.mobile-panel li:last-child a{border-bottom:0}
.mobile-panel li a.is-active{color:var(--c-primary);font-weight:700}
.mobile-panel .m-cta{width:100%;margin:12px 0 20px}

/* ============ Page hero ============ */
.page-hero{padding:56px 0 8px}
.page-hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center}
.page-hero h1{
  font-size:clamp(26px,4vw,42px);line-height:1.22;font-weight:800;
  letter-spacing:-.02em;margin:16px 0 18px;
}
.page-hero .lead-x{font-size:17px;line-height:1.8;color:var(--c-text);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:4/5;box-shadow:var(--sh-2);
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,61,51,0) 45%,rgba(10,61,51,.6) 100%);
}
.hero-media .media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:flex;flex-direction:column;gap:6px;
}
.hero-media .media-tag span{
  background:rgba(10,61,51,.72);color:#fff;font-size:12px;font-weight:600;
  padding:5px 10px;border-radius:var(--r-sm);letter-spacing:.02em;width:fit-content;
}

/* ============ Chips ============ */
.chip-bar{padding:36px 0 0}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);
  font-size:14px;font-weight:500;padding:9px 18px;border-radius:var(--r-pill);
  transition:border-color var(--t),color var(--t),background var(--t);
}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.is-on:hover{color:#fff}

/* ============ Masonry cards ============ */
.masonry{column-count:3;column-gap:24px}
.m-card{
  display:inline-block;width:100%;break-inside:avoid;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;margin:0 0 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#CFE9DD}
.m-media{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--c-primary),var(--c-accent))}
.m-media.r169{aspect-ratio:16/9}
.m-media.r43{aspect-ratio:4/3}
.m-media.r11{aspect-ratio:1/1}
.m-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.m-card:hover .m-media img{transform:scale(1.03)}
.m-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(10,61,51,.78);color:#fff;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:var(--r-sm);letter-spacing:.02em;
}
.m-tag.accent{background:rgba(255,138,61,.92);color:#fff}
.m-body{padding:18px 20px 20px}
.m-body h3{font-size:18px;line-height:1.4;font-weight:600}
.m-body p{margin-top:9px;font-size:14.5px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.m-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line);
}
.m-foot .meta{font-size:13px;color:var(--c-muted);font-family:var(--font-num)}
.m-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.m-link:hover{text-decoration:underline}
.m-link i{font-size:12px;transition:transform var(--t)}
.m-link:hover i{transform:translateX(3px)}

/* ============ Step list ============ */
.step-list{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
.step-list li{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--c-line)}
.step-num{
  flex:none;width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  display:grid;place-items:center;font-family:var(--font-num);
  font-size:14px;font-weight:700;
}
.step-list h3{font-size:17px;font-weight:600;line-height:1.4}
.step-list p{margin-top:8px;font-size:15px;line-height:1.7;color:var(--c-muted)}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag-mini{
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--c-primary-50);color:var(--c-primary-d);
  padding:4px 10px;border-radius:var(--r-sm);
}
.tag-mini.warm{background:var(--c-accent-50);color:#C25A16}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  border:1px solid var(--c-line);border-radius:14px;overflow:hidden;
  background:#fff;margin-bottom:12px;box-shadow:var(--sh-1);
}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-button{
  background:#fff;color:var(--c-ink);font-size:17px;font-weight:600;
  padding:20px 22px;box-shadow:none;line-height:1.5;
}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--c-primary-50);color:var(--c-primary-d);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:20px;line-height:1;color:var(--c-primary);
  display:grid;place-items:center;margin-left:auto;transform:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";color:var(--c-primary-d);transform:none}
.faq-acc .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-text)}

/* ============ CTA band ============ */
.cta-wrap{padding:0 0 96px}
.cta-band{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:32px;padding:48px;border-radius:24px;overflow:hidden;background:var(--c-deep);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.png) center/cover no-repeat;
  opacity:.18;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(20px,2.6vw,28px);line-height:1.35;font-weight:700}
.cta-band p{margin-top:10px;color:var(--c-deep-2);font-size:15px;max-width:620px}
.cta-band .btn-main{background:var(--c-accent);border-color:var(--c-accent);padding:14px 30px;flex:none}
.cta-band .btn-main:hover{background:#F07B2C;border-color:#F07B2C}

/* ============ Footer ============ */
.site-footer{background:var(--c-deep);color:var(--c-deep-2);padding:72px 0 28px}
.site-footer::before{content:"";display:block}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-top:32px;border-top:1px solid rgba(14,159,110,.35);
}
.footer-brand .brand{color:#fff;font-size:18px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--c-deep-2);max-width:320px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links li,.footer-plain li{margin-bottom:10px;font-size:14px}
.footer-links a{color:var(--c-deep-2);transition:color var(--t)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact p{font-size:14px;margin-bottom:10px}
.qr-box{
  width:104px;height:104px;border-radius:12px;margin-top:6px;
  border:1px dashed rgba(159,189,178,.5);color:var(--c-deep-2);
  display:grid;place-items:center;font-size:13px;
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(159,189,178,.18);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--c-deep-2);font-family:var(--font-num);
}

/* ============ Mobile buy bar ============ */
.buy-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1050;
  align-items:center;justify-content:space-between;gap:14px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  height:calc(64px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  box-shadow:0 -10px 26px -18px rgba(18,22,28,.5);
}
.buy-bar .txt{font-size:14px;font-weight:600;color:var(--c-ink)}
.buy-bar .txt small{display:block;font-size:12px;font-weight:400;color:var(--c-muted)}
.buy-bar .btn-main{padding:11px 22px;font-size:14px}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .nav-group{gap:16px}
  .nav-group.right{gap:14px}
  .brand{font-size:17px}
  .masonry{column-count:2}
}
@media (max-width:991px){
  .sec{padding:64px 0}
  .cta-wrap{padding-bottom:64px}
  .nav-group{display:none}
  .header-inner{grid-template-columns:1fr auto;height:60px}
  .nav-toggle{display:grid}
  .header-inner .brand{justify-self:start;order:1}
  .nav-toggle{order:2;justify-self:end}
  .page-hero{padding:40px 0 0}
  .page-hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media{aspect-ratio:3/4;max-width:520px}
  .step-list{grid-template-columns:1fr;gap:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .cta-band .btn-main{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .buy-bar{display:flex}
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
}
@media (max-width:767px){
  .masonry{column-count:1}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;font-size:14px}
  .container{padding:0 16px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 auto;justify-content:center}
  .page-hero h1{font-size:clamp(24px,7vw,32px)}
  .cta-band h2{font-size:20px}
}
@media (max-width:575px){
  .sec{padding:48px 0}
  .sec-head{margin-bottom:28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .step-list li{padding:20px 0}
}