/* roulang page: index */
:root{
  --c-primary:#0E5C50;
  --c-primary-hi:#137563;
  --c-accent:#C8781E;
  --c-info:#4A5A7A;
  --c-bg:#F7F6F3;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFF2F1;
  --c-ink:#17201E;
  --c-ink-soft:#55605C;
  --c-line:#DFE3E1;
  --c-danger:#B23A34;
  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,32,30,.06);
  --sh-2:0 6px 20px rgba(23,32,30,.08);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:40px; --sp-7:64px; --sp-8:96px;
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.85;color:var(--c-ink);background:var(--c-bg)}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em}
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:var(--r-sm)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:12px;top:12px}

/* ============ Header / nav ============ */
.site-header{position:sticky;top:0;z-index:100;background:var(--c-surface);box-shadow:var(--sh-1)}
.nav-top{display:flex;align-items:center;gap:16px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);position:relative;flex-shrink:0}
.brand__mark::after{content:"";position:absolute;inset:9px 10px;border:2px solid #fff;border-radius:3px 8px 3px 8px}
.brand__text{font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.brand__text em{font-style:normal;color:var(--c-primary)}
.nav-search{margin-left:auto;display:none;align-items:center;gap:8px}
@media(min-width:1024px){.nav-search{display:flex}}
.nav-search input{width:230px;height:42px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-bg);transition:border-color .2s,box-shadow .2s}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,92,80,.14);background:#fff}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
@media(min-width:1024px){.nav-actions{margin-left:0}}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-md);cursor:pointer}
@media(min-width:1024px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-channels{background:var(--c-surface-alt);border-top:1px solid var(--c-line)}
.channels-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding:8px 0;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.channels-scroll::-webkit-scrollbar{display:none}
.channel-tab{flex:0 0 auto;padding:9px 18px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--c-ink-soft);white-space:nowrap;scroll-snap-align:start;transition:background .2s,color .2s}
.channel-tab:hover{background:rgba(14,92,80,.08);color:var(--c-primary)}
.channel-tab.is-active{background:var(--c-primary);color:#fff}
.drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-surface);padding:16px 0 22px}
.drawer.is-open{display:block}
.drawer__group{margin-bottom:16px}
.drawer__label{font-size:13px;color:var(--c-ink-soft);margin-bottom:8px}
.drawer__link{display:block;padding:11px 14px;border-radius:var(--r-md);background:var(--c-bg);margin-bottom:8px;font-weight:600}
.drawer__link.is-active{background:var(--c-primary);color:#fff}
.drawer form{display:flex;gap:8px}
.drawer input{flex:1;height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-bg)}
@media(min-width:1024px){.drawer{display:none !important}}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-md);border:1px solid transparent;font-weight:600;font-size:15.5px;cursor:pointer;transition:background .2s,transform .15s,box-shadow .2s,border-color .2s,color .2s}
.btn--primary{background:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-hi);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);filter:brightness(.95)}
.btn--ghost{background:transparent;border-color:rgba(14,92,80,.45);color:var(--c-primary)}
.btn--ghost:hover{background:rgba(14,92,80,.08)}
.btn--light{background:#fff;color:var(--c-primary)}
.btn--light:hover{background:#F2F7F5;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--sm{height:40px;padding:0 18px;font-size:14.5px}
.btn--block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;border-bottom:1px solid rgba(14,92,80,.4);transition:color .2s,border-color .2s}
.link-more:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ============ Section basics ============ */
.section{padding:var(--sp-7) 0}
@media(min-width:1024px){.section{padding:var(--sp-8) 0}}
.section--alt{background:var(--c-surface-alt)}
.section--tight{padding-top:var(--sp-6);padding-bottom:var(--sp-7)}
.section-head{max-width:760px;margin-bottom:var(--sp-6)}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700}
.section-head p{margin-top:12px;color:var(--c-ink-soft);font-size:16px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:var(--sp-6)}
.head-row .section-head{margin-bottom:0}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:var(--sp-7) 0 var(--sp-7);background:linear-gradient(180deg,#FBFAF8 0%,var(--c-bg) 100%)}
.hero::before{content:"";position:absolute;right:-12%;top:-30%;width:60%;height:130%;background:rgba(14,92,80,.05);transform:skewX(-14deg);pointer-events:none}
.hero__inner{position:relative;display:grid;gap:40px;align-items:center}
@media(min-width:1024px){.hero__inner{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero__eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(200,120,30,.12);color:#8F5410;font-size:13.5px;font-weight:600;margin-bottom:18px}
.hero__eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block}
.hero h1{font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.3}
.hero h1 .u{position:relative;display:inline-block}
.hero h1 .u::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:rgba(14,92,80,.16);border-radius:4px;z-index:-1}
.hero__sub{margin-top:20px;font-size:17.5px;color:var(--c-ink-soft);max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;padding-top:24px;border-top:1px solid var(--c-line)}
.trust-row div{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-soft)}
.trust-row span{width:20px;height:20px;border-radius:50%;background:rgba(14,92,80,.12);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.hero__media{position:relative}
.hero__media img{border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--sh-2);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero__badge{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.95);border:1px solid var(--c-line);border-radius:var(--r-md);padding:10px 16px;box-shadow:var(--sh-1);font-size:13.5px;color:var(--c-ink-soft)}
.hero__badge strong{display:block;color:var(--c-ink);font-size:15px}

/* ============ Stat band ============ */
.statband{padding:0 0 var(--sp-6)}
.statband__inner{display:grid;gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
@media(min-width:768px){.statband__inner{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:var(--c-surface);padding:22px 24px}
.stat-item strong{display:block;font-size:26px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.stat-item span{font-size:13.5px;color:var(--c-ink-soft)}

/* ============ Value strip ============ */
.value-strip{display:grid;gap:0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
@media(min-width:900px){.value-strip{grid-template-columns:repeat(3,1fr)}}
.value-item{padding:34px 0;border-bottom:1px solid var(--c-line);display:grid;gap:10px}
@media(min-width:900px){
  .value-item{padding:40px 32px 40px 0;border-bottom:0;border-right:1px solid var(--c-line)}
  .value-item:last-child{border-right:0;padding-right:0}
  .value-item:not(:first-child){padding-left:32px}
}
.value-item .num{font-size:14px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.value-item h3{font-size:20px}
.value-item p{color:var(--c-ink-soft);font-size:15.5px;line-height:1.85}

/* ============ Feature groups ============ */
.feature-grid{display:grid;gap:20px}
@media(min-width:900px){.feature-grid{grid-template-columns:1fr 1fr;gap:24px}}
.feature-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);transition:box-shadow .2s,border-color .2s,transform .2s}
.feature-card:hover{box-shadow:var(--sh-2);border-color:rgba(14,92,80,.22);transform:translateY(-2px)}
.feature-card .pill{align-self:flex-start}
.feature-card h3{font-size:20px;margin:14px 0 10px}
.feature-card p{color:var(--c-ink-soft);font-size:15.5px;line-height:1.85;margin-bottom:16px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);background:rgba(14,92,80,.1);color:var(--c-primary);font-size:13px;font-weight:600;transition:background .2s,color .2s}
a.pill:hover{background:var(--c-primary);color:#fff}
.pill--accent{background:rgba(200,120,30,.14);color:#8F5410}

/* ============ Scene cards ============ */
.scene-track{display:grid;gap:24px}
@media(min-width:768px){.scene-track{grid-template-columns:repeat(3,1fr)}}
@media(max-width:767px){
  .scene-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none}
  .scene-track::-webkit-scrollbar{display:none}
  .scene-card{flex:0 0 82%;scroll-snap-align:start}
}
.scene-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s,transform .2s,border-color .2s}
.scene-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(14,92,80,.22)}
.scene-card img{aspect-ratio:16/9;object-fit:cover;width:100%;background:var(--c-surface-alt)}
.scene-card__body{padding:22px}
.scene-card__body h3{font-size:19px;margin-bottom:10px}
.scene-card__body p{color:var(--c-ink-soft);font-size:15px;line-height:1.85;margin-bottom:14px}

/* ============ Cases ============ */
.case-row{display:grid;gap:32px;align-items:center;padding:var(--sp-6) 0;border-bottom:1px solid var(--c-line)}
.case-row:last-child{border-bottom:0;padding-bottom:0}
@media(min-width:900px){.case-row{grid-template-columns:1fr 1fr;gap:56px}}
.case-row__media img{border-radius:var(--r-lg);border:1px solid var(--c-line);aspect-ratio:16/11;object-fit:cover;width:100%}
@media(min-width:900px){.case-row--flip .case-row__media{order:2}}
.case-quote{font-size:20px;line-height:1.75;font-weight:600;color:var(--c-ink);position:relative;padding-left:22px}
.case-quote::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--c-accent)}
.case-src{margin-top:18px;font-size:14px;color:var(--c-info)}
.case-body p{margin-top:16px;color:var(--c-ink-soft);font-size:15.5px;line-height:1.9}

/* ============ Plan columns ============ */
.plan-grid{display:grid;gap:24px;align-items:start}
@media(min-width:900px){.plan-grid{grid-template-columns:repeat(3,1fr)}}
.plan-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.plan-card--featured{border-color:var(--c-primary);box-shadow:var(--sh-2)}
@media(min-width:900px){.plan-card--featured{transform:translateY(-10px)}}
.plan-card h3{font-size:19px;margin:14px 0 8px}
.plan-card .lead{color:var(--c-ink-soft);font-size:15px;line-height:1.8;margin-bottom:20px}
.plan-list{margin-bottom:24px}
.plan-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-ink-soft);line-height:1.8;margin-bottom:10px}
.plan-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--c-primary);border-radius:2px}

/* ============ News list ============ */
.news-list{display:grid;gap:16px}
.news-row{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px 24px 22px 28px;box-shadow:var(--sh-1);transition:box-shadow .2s,border-color .2s}
.news-row::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:var(--c-primary);opacity:0;transition:opacity .2s}
.news-row:hover{box-shadow:var(--sh-2);border-color:rgba(14,92,80,.22)}
.news-row:hover::before{opacity:1}
.news-row__overlay{position:absolute;inset:0;border-radius:var(--r-lg)}
.news-row__title{font-size:18px;font-weight:600;margin-bottom:8px;transition:color .2s}
.news-row:hover .news-row__title{color:var(--c-primary)}
.news-row__excerpt{color:var(--c-ink-soft);font-size:15px;line-height:1.8;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row__meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--c-info)}
.news-row__meta .arrow{margin-left:auto;color:var(--c-primary);font-weight:600}
.empty-state{border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-surface);padding:48px 24px;text-align:center}
.empty-state .ico{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:var(--c-surface-alt);display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:22px}
.empty-state p{color:var(--c-ink-soft);margin-bottom:18px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--c-surface-alt)}
.faq-item summary::after{content:"›";font-size:20px;color:var(--c-primary);transition:transform .2s;flex-shrink:0}
.faq-item[open] summary{background:var(--c-surface-alt);border-left:3px solid var(--c-primary)}
.faq-item[open] summary::after{transform:rotate(90deg)}
.faq-body{padding:16px 20px 20px;color:var(--c-ink-soft);font-size:15.5px;line-height:1.9;border-top:1px solid var(--c-line)}

/* ============ CTA band ============ */
.cta-band{position:relative;border-radius:var(--r-lg);overflow:hidden;padding:44px 32px;color:#fff;background-color:var(--c-primary);background-image:linear-gradient(90deg,rgba(14,92,80,.94) 0%,rgba(14,92,80,.82) 58%,rgba(14,92,80,.6) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
.cta-band__inner{display:grid;gap:22px;align-items:center}
@media(min-width:900px){.cta-band__inner{grid-template-columns:1fr auto;gap:40px}}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);color:#fff}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.86);font-size:15.5px;max-width:640px}

/* ============ Footer ============ */
.site-footer{background:var(--c-ink);color:#DCE3E0;margin-top:var(--sp-7);padding-top:var(--sp-7)}
.footer-grid{display:grid;gap:36px;padding-bottom:var(--sp-6)}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px}}
.site-footer .brand__text{color:#fff}
.site-footer .brand__text em{color:#7FD3C0}
.footer-desc{margin-top:16px;font-size:14.5px;color:rgba(220,227,224,.72);line-height:1.85;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(220,227,224,.78);transition:color .2s}
.footer-col a:hover{color:#7FD3C0}
.footer-form{display:flex;gap:8px;margin-top:6px}
.footer-form input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff}
.footer-form input::placeholder{color:rgba(220,227,224,.55)}
.footer-form input:focus{outline:none;border-color:#7FD3C0;box-shadow:0 0 0 3px rgba(127,211,192,.18)}
.footer-note{margin-top:12px;font-size:13px;color:rgba(220,227,224,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(220,227,224,.6)}

/* roulang page: article */
:root{
  --c-primary:#0E5C50;
  --c-primary-strong:#0A473E;
  --c-primary-soft:rgba(14,92,80,.08);
  --c-accent:#C8781E;
  --c-info:#4A5A7A;
  --c-bg:#F7F6F3;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFF2F1;
  --c-ink:#17201E;
  --c-ink-soft:#55605C;
  --c-line:#DFE3E1;
  --c-danger:#B23A34;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,32,30,.06);
  --sh-2:0 6px 20px rgba(23,32,30,.08);
  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:40px;
  --sp-7:64px;
  --sp-8:96px;
  --container:1200px;
  --container-narrow:820px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;}
button{font:inherit;}
input,button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);}
p{margin:0;}
.skip-link{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){
  .container{padding:0 32px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:#12705F;transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff;}
.btn--primary:active{background:#0A473E;transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:rgba(14,92,80,.45);}
.btn--ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);}
.btn--light{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn--light:hover{background:#F0F5F3;color:var(--c-primary-strong);transform:translateY(-1px);}
.btn--sm{padding:9px 16px;font-size:14px;}
.text-link{color:var(--c-primary);font-size:15px;font-weight:600;border-bottom:1px solid currentColor;}
.text-link:hover{color:var(--c-accent);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);box-shadow:var(--sh-1);}
.masthead{
  display:flex;align-items:center;gap:16px;
  min-height:66px;padding-top:10px;padding-bottom:10px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(140deg,#12705F,#0A473E);
  position:relative;flex:0 0 auto;
}
.brand__mark::after{
  content:"";position:absolute;left:50%;top:50%;
  width:9px;height:9px;border-radius:50%;
  background:var(--c-accent);transform:translate(-50%,-50%);
}
.brand__text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--c-ink);}
.brand__text em{font-style:normal;color:var(--c-primary);}
.head-search{
  display:none;align-items:center;gap:8px;flex:1 1 auto;
  max-width:420px;margin-left:auto;
}
.head-search input{
  flex:1 1 auto;min-width:0;
  padding:11px 14px;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-md);
  background:var(--c-surface);color:var(--c-ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.head-search input::placeholder{color:#8B9591;}
.head-search input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,92,80,.14);
}
.head-cta{display:none;}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 10px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  cursor:pointer;flex:0 0 auto;
}
.nav-toggle__bar{display:block;height:2px;width:100%;background:var(--c-ink);border-radius:2px;}
.nav-toggle:hover{border-color:rgba(14,92,80,.4);}
.channels-bar{
  background:var(--c-surface-alt);
  border-top:1px solid var(--c-line);
}
.channels-scroll{
  display:flex;gap:8px;align-items:center;
  padding:10px 0;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channels-scroll::-webkit-scrollbar{display:none;}
.channel-tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-ink-soft);
  transition:background-color .16s ease,color .16s ease;
}
.channel-tab:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.channel-tab.is-active{background:var(--c-primary);color:#fff;}
.nav-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  padding:8px 0 16px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer ul{list-style:none;}
.nav-drawer li+li{border-top:1px solid var(--c-line);}
.nav-drawer a{
  display:block;padding:13px 0;font-size:15px;font-weight:600;color:var(--c-ink);
}
.nav-drawer a:hover{color:var(--c-primary);}
@media (min-width:768px){
  .head-search{display:flex;}
  .nav-toggle{display:none;}
  .nav-drawer{display:none !important;}
}
@media (min-width:1024px){
  .head-cta{display:inline-flex;}
  .masthead{gap:24px;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-info);
  padding:20px 0 0;
}
.breadcrumb a{color:var(--c-info);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#A9B2AE;}
.breadcrumb .crumb-current{color:var(--c-ink);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background:var(--c-bg) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--c-line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,246,243,.95),rgba(247,246,243,.99));
}
.article-hero .container{position:relative;z-index:1;}
.article-head{padding:28px 0 44px;max-width:var(--container-narrow);}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.34;font-weight:700;letter-spacing:-.01em;
  margin-top:18px;
}
.article-head h1::after{
  content:"";display:block;width:56px;height:4px;border-radius:2px;
  background:var(--c-primary);margin-top:20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;font-size:14px;color:var(--c-info);
}
.pill{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:var(--c-primary-soft);color:var(--c-primary);
  transition:background-color .16s ease,color .16s ease;
}
.pill:hover{background:var(--c-primary);color:#fff;}

/* ---------- 正文 ---------- */
.article-main{padding:var(--sp-7) 0 var(--sp-6);}
.article-wrap{
  max-width:var(--container-narrow);
  margin:0 auto;
}
.article-cover{
  margin:0 0 var(--sp-6);
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  background:var(--c-surface-alt);
  aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.prose{font-size:17px;line-height:1.95;color:var(--c-ink);}
.prose>*+*{margin-top:1.25em;}
.prose p{margin:0;}
.prose h2{
  position:relative;
  font-size:clamp(21px,2.4vw,26px);
  line-height:1.42;font-weight:700;
  margin-top:2.1em;padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;
  width:4px;border-radius:2px;background:var(--c-primary);
}
.prose h3{font-size:20px;line-height:1.5;font-weight:600;margin-top:1.7em;}
.prose ul,.prose ol{padding-left:1.5em;}
.prose li+li{margin-top:.5em;}
.prose ul li::marker{color:var(--c-primary);}
.prose ol li::marker{color:var(--c-primary);font-weight:600;}
.prose a{color:var(--c-primary);border-bottom:1px solid currentColor;}
.prose a:hover{color:var(--c-accent);}
.prose strong{font-weight:700;}
.prose blockquote{
  margin:1.6em 0;padding:16px 20px;
  border-left:3px solid var(--c-accent);
  background:var(--c-surface-alt);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-ink-soft);
}
.prose blockquote p{margin:0;}
.prose img{border-radius:var(--r-md);margin:1.4em 0;}
.prose table{
  width:100%;border-collapse:collapse;
  font-size:15px;line-height:1.7;
  margin:1.5em 0;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.prose th,.prose td{
  border:1px solid var(--c-line);
  padding:11px 13px;text-align:left;vertical-align:top;
}
.prose thead th{background:var(--c-surface-alt);font-weight:600;}
.prose tbody tr:nth-child(even){background:#FAFAF8;}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.9em;background:var(--c-surface-alt);
  padding:2px 6px;border-radius:var(--r-sm);
}
.prose pre{
  background:#17201E;color:#E9EDEB;
  padding:18px;border-radius:var(--r-md);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.prose pre code{background:none;color:inherit;padding:0;}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}

.empty-state{
  text-align:center;
  padding:56px 24px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.empty-state__icon{
  width:56px;height:56px;margin:0 auto 18px;
  border-radius:50%;
  background:var(--c-surface-alt);
  position:relative;
}
.empty-state__icon::before,
.empty-state__icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.empty-state__icon::before{width:22px;height:2px;}
.empty-state__icon::after{width:2px;height:22px;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--c-ink-soft);font-size:15px;margin-bottom:22px;}

/* ---------- 文末信息 ---------- */
.article-foot{
  max-width:var(--container-narrow);
  margin:var(--sp-6) auto 0;
  padding-top:var(--sp-5);
  border-top:1px solid var(--c-line);
}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.article-tags .label{font-size:14px;color:var(--c-ink-soft);}
.article-nav{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:var(--sp-5);
}
.article-nav a{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:15px;font-weight:600;color:var(--c-ink);
  box-shadow:var(--sh-1);
  transition:border-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.article-nav a:hover{
  border-color:rgba(14,92,80,.35);color:var(--c-primary);
  box-shadow:var(--sh-2);transform:translateY(-1px);
}

/* ---------- 板块与卡片 ---------- */
.section{padding:var(--sp-7) 0;}
.section--alt{background:var(--c-surface-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:var(--sp-5);
}
.section-head h2{
  font-size:clamp(21px,2.4vw,28px);line-height:1.4;font-weight:700;
}
.section-head p{
  font-size:15px;color:var(--c-ink-soft);margin-top:8px;max-width:640px;
}
.news-list{list-style:none;display:grid;gap:14px;}
.news-item{
  position:relative;overflow:hidden;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.news-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;
  width:4px;background:var(--c-primary);
  opacity:0;transition:opacity .18s ease;
}
.news-item:hover{box-shadow:var(--sh-2);border-color:rgba(14,92,80,.22);transform:translateY(-2px);}
.news-item:hover::before{opacity:1;}
.news-item__link{display:block;padding:20px 22px;}
.news-item__title{font-size:18px;line-height:1.5;font-weight:600;transition:color .16s ease;}
.news-item:hover .news-item__title{color:var(--c-primary);}
.news-item__excerpt{
  margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:14px;font-size:13px;color:var(--c-info);
}
.news-item__arrow{margin-left:auto;color:var(--c-primary);font-weight:600;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary);
  color:#fff;
  padding:var(--sp-6) 0;
}
.cta-band .inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);line-height:1.4;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:8px;max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.78);
  padding:var(--sp-7) 0 var(--sp-5);
  font-size:14px;
}
.footer-grid{
  display:grid;gap:var(--sp-6);
  grid-template-columns:1fr;
}
.site-footer .brand__text{color:#fff;}
.site-footer .brand__text em{color:#6FD0BB;}
.footer-desc{margin-top:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-col ul{list-style:none;}
.footer-col li+li{margin-top:10px;}
.footer-col a{color:rgba(255,255,255,.74);}
.footer-col a:hover{color:#6FD0BB;}
.footer-note{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;}
.footer-form{display:flex;gap:8px;margin:12px 0;}
.footer-form input{
  flex:1 1 auto;min-width:0;
  padding:10px 12px;font-size:14px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.08);color:#fff;
}
.footer-form input::placeholder{color:rgba(255,255,255,.5);}
.footer-form input:focus{
  outline:none;border-color:#6FD0BB;
  box-shadow:0 0 0 3px rgba(111,208,187,.2);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:var(--sp-6);padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;}
}
@media (min-width:1024px){
  .section{padding:var(--sp-8) 0;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .article-head{padding:22px 0 34px;}
  .article-meta{gap:8px;}
  .news-item__link{padding:16px 18px;}
  .cta-band .btn{width:100%;}
  .footer-form{flex-wrap:wrap;}
  .footer-form .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E5C50;
  --c-primary-dark:#0A4840;
  --c-primary-soft:#E4EFEC;
  --c-accent:#C8781E;
  --c-accent-soft:#FAF0E3;
  --c-info:#4A5A7A;
  --c-bg:#F7F6F3;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFF2F1;
  --c-ink:#17201E;
  --c-ink-soft:#55605C;
  --c-line:#DFE3E1;
  --c-danger:#B23A34;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,32,30,.06);
  --sh-2:0 6px 20px rgba(23,32,30,.08);
  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:40px;
  --sp-7:64px;
  --sp-8:96px;
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,
*::before,
*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:var(--r-sm)}
.skip-link{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  text-decoration:none;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:#137365;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{background:var(--c-primary-dark);transform:translateY(0)}
.btn--outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--outline:hover{background:rgba(14,92,80,.08);color:var(--c-primary)}
.btn--outline:active{background:rgba(14,92,80,.14)}
.btn--light{background:#fff;color:var(--c-primary);border-color:#fff}
.btn--light:hover{background:#F1F5F3;color:var(--c-primary-dark)}
.btn--ghost{background:var(--c-surface-alt);color:var(--c-ink);border-color:var(--c-line)}
.btn--ghost:hover{background:#E6EAE8;color:var(--c-ink)}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--block{width:100%}

/* ---------- 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.5;
  background:var(--c-primary-soft);color:var(--c-primary);
  border:1px solid transparent;transition:background-color .18s ease,color .18s ease;
}
.pill:hover{background:var(--c-primary);color:#fff}
.pill--accent{background:var(--c-accent-soft);color:#8E5410}
.pill--plain{background:var(--c-surface-alt);color:var(--c-ink-soft)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  box-shadow:var(--sh-1);
}
.header-top{border-bottom:1px solid var(--c-line)}
.header-top__inner{
  display:flex;align-items:center;gap:16px;
  min-height:68px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--c-ink);font-weight:700;font-size:18px;letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--c-ink)}
.brand__mark{
  width:30px;height:30px;flex:0 0 auto;border-radius:9px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#178272 100%);
  position:relative;
}
.brand__mark::after{
  content:"";position:absolute;left:8px;top:8px;width:14px;height:14px;
  border:2px solid #fff;border-radius:5px;border-bottom-color:transparent;
}
.brand__text em{font-style:normal;color:var(--c-primary)}
.site-search{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:420px;margin-left:auto;
}
.site-search input{
  flex:1 1 auto;min-width:0;
  padding:11px 14px;border:1px solid var(--c-line);border-radius:var(--r-md);
  background:#fff;color:var(--c-ink);font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.site-search input::placeholder{color:#8A948F}
.site-search input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,92,80,.15);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-md);
  background:#fff;cursor:pointer;
}
.nav-toggle span{
  display:block;width:16px;height:2px;background:var(--c-ink);position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

.channels-scroll{
  display:flex;align-items:center;gap:8px;
  background:var(--c-surface-alt);
  overflow-x:auto;overflow-y:hidden;
  padding:10px max(20px,calc((100% - var(--container)) / 2 + 20px));
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.channels-scroll::-webkit-scrollbar{height:5px}
.channels-scroll::-webkit-scrollbar-thumb{background:#CFD6D3;border-radius:999px}
.channel-tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--c-ink-soft);
  background:transparent;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.channel-tab:hover{background:#fff;color:var(--c-primary)}
.channel-tab.is-active{
  background:var(--c-primary);color:#fff;border-color:var(--c-primary);
}
.channel-tab.is-active:hover{background:var(--c-primary);color:#fff}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.is-open{display:block}
.drawer__mask{position:absolute;inset:0;background:rgba(23,32,30,.45)}
.drawer__panel{
  position:relative;width:min(320px,84vw);height:100%;
  background:#fff;padding:22px 20px;display:flex;flex-direction:column;gap:18px;
  box-shadow:0 12px 40px rgba(23,32,30,.18);overflow-y:auto;
}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__close{
  width:36px;height:36px;border:1px solid var(--c-line);border-radius:var(--r-md);
  background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--c-ink-soft);
}
.drawer__nav{display:flex;flex-direction:column;gap:6px}
.drawer__nav a{
  padding:11px 14px;border-radius:var(--r-md);
  color:var(--c-ink);font-weight:600;font-size:15px;background:var(--c-surface-alt);
}
.drawer__nav a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer__nav a.is-active{background:var(--c-primary);color:#fff}
.drawer .site-search{display:flex;max-width:none;margin:0;flex-wrap:wrap}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-info);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-info)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb__sep{color:#A9B2AE}
.breadcrumb__current{color:var(--c-ink);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--c-surface-alt);
  border-bottom:1px solid var(--c-line);
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center right;
  opacity:.22;
}
.cat-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#F7F6F3 0%,rgba(247,246,243,.92) 46%,rgba(247,246,243,.55) 100%);
}
.cat-hero__inner{position:relative;z-index:2;padding:44px 0 52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;
}
.cat-hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.3;font-weight:700;
  margin-bottom:16px;
}
.cat-hero h1::after{
  content:"";display:block;width:64px;height:4px;border-radius:2px;
  background:var(--c-primary);margin-top:18px;
}
.cat-hero__lead{
  max-width:660px;font-size:17px;line-height:1.9;color:var(--c-ink-soft);
  margin-bottom:22px;
}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.status-strip{
  display:inline-flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-1);
  font-size:13.5px;color:var(--c-ink-soft);
}
.status-dot{
  width:8px;height:8px;border-radius:50%;background:var(--c-primary);
  box-shadow:0 0 0 4px rgba(14,92,80,.14);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(14,92,80,.14)}
  50%{box-shadow:0 0 0 7px rgba(14,92,80,.06)}
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-7) 0}
.section--alt{background:var(--c-surface-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section--tight{padding:var(--sp-6) 0}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:18px;margin-bottom:36px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35}
.section-head p{
  max-width:620px;margin-top:10px;color:var(--c-ink-soft);font-size:15.5px;line-height:1.85;
}
.section-head .btn{flex:0 0 auto}

/* ---------- 要点条带 ---------- */
.strip-list{border-top:1px solid var(--c-line)}
.strip-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--c-line);
}
.strip-item__num{
  font-size:34px;font-weight:700;line-height:1;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;opacity:.85;
}
.strip-item h3{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:8px}
.strip-item p{color:var(--c-ink-soft);font-size:15.5px;max-width:780px}

/* ---------- 卡片栅格 ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.card:hover{
  box-shadow:var(--sh-2);transform:translateY(-2px);
  border-color:rgba(14,92,80,.22);
}
.card__media{
  aspect-ratio:16/9;background:var(--c-surface-alt);
  overflow:hidden;position:relative;
}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{
  display:flex;flex-direction:column;gap:10px;flex:1;
  padding:20px 22px 22px;
}
.card__cat{align-self:flex-start}
.card__title{font-size:18px;font-weight:600;line-height:1.55}
.card__title a{color:var(--c-ink)}
.card__title a::after{content:"";position:absolute;inset:0}
.card:hover .card__title a{color:var(--c-primary)}
.card__excerpt{
  color:var(--c-ink-soft);font-size:14.8px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-info);
}
.card__meta .arrow{margin-left:auto;color:var(--c-primary);font-weight:600}
.card:hover .card__meta .arrow{color:var(--c-accent)}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;counter-reset:step;
}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px 22px;box-shadow:var(--sh-1);
}
.step__index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:15px;font-weight:700;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--c-ink-soft);line-height:1.8}

/* ---------- 状态对照 ---------- */
.check-list{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.check-list li{
  display:grid;grid-template-columns:minmax(180px,260px) 1fr;gap:20px;
  padding:18px 24px;border-bottom:1px solid var(--c-line);
  transition:background-color .18s ease;
}
.check-list li:last-child{border-bottom:0}
.check-list li:hover{background:var(--c-surface-alt)}
.check-list__key{
  font-weight:600;font-size:15.5px;color:var(--c-ink);
  display:flex;align-items:center;gap:10px;
}
.check-list__key::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);flex:0 0 auto;
}
.check-list__val{font-size:14.8px;color:var(--c-ink-soft);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(14,92,80,.28);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:17px 52px 17px 20px;
  font-size:16px;font-weight:600;line-height:1.7;color:var(--c-ink);
  transition:background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--c-surface-alt)}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;
  width:9px;height:9px;border-right:2px solid var(--c-primary);
  border-bottom:2px solid var(--c-primary);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item__body{
  padding:0 20px 20px 20px;border-left:3px solid var(--c-primary);
  margin-left:20px;padding-left:17px;margin-bottom:18px;
  color:var(--c-ink-soft);font-size:15px;line-height:1.9;
}
.faq-item[open] .faq-item__body{margin-top:2px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary);color:#fff;border-radius:var(--r-lg);
  padding:38px 34px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.2vw,27px);line-height:1.4;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;max-width:620px;line-height:1.85}
.cta-band .btn{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C8D0CD;margin-top:var(--sp-8);padding-top:var(--sp-7)}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand__mark{background:linear-gradient(135deg,#178272 0%,var(--c-primary) 100%)}
.site-footer .brand__text em{color:#7FC7B6}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;
  padding-bottom:var(--sp-6);
}
.footer-desc{font-size:14px;line-height:1.9;color:#98A3A0;margin-top:16px;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#B6C0BD;font-size:14.5px;transition:color .18s ease}
.footer-col a:hover{color:#7FC7B6}
.footer-note{font-size:13.5px;color:#8B9693;line-height:1.8;margin-bottom:12px}
.footer-form{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.footer-form input{
  flex:1 1 150px;min-width:0;padding:10px 12px;border-radius:var(--r-md);
  border:1px solid #34403D;background:#1E2826;color:#fff;font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.footer-form input::placeholder{color:#7C8784}
.footer-form input:focus{outline:none;border-color:#7FC7B6;box-shadow:0 0 0 3px rgba(127,199,182,.18)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:18px 0 28px;border-top:1px solid #2C3735;
  font-size:13px;color:#8B9693;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .site-search{display:none}
  .nav-toggle{display:inline-flex}
  .header-top__inner{justify-content:space-between}
  .header-actions .btn{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .card-grid{grid-template-columns:1fr}
  .cat-hero__inner{padding:32px 0 40px}
  .cta-band{padding:28px 22px;border-radius:var(--r-md)}
  .cta-band .btn{width:100%}
  .check-list li{grid-template-columns:1fr;gap:8px;padding:16px 18px}
  .strip-item{grid-template-columns:56px 1fr;gap:16px}
  .strip-item__num{font-size:26px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .channels-scroll{padding:9px 16px}
  .card__body{padding:18px}
  .card__title{font-size:17px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cat-hero__actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E5C50;
  --c-primary-strong:#0B4A40;
  --c-accent:#C8781E;
  --c-info:#4A5A7A;
  --c-danger:#B23A34;
  --c-bg:#F7F6F3;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFF2F1;
  --c-ink:#17201E;
  --c-ink-soft:#55605C;
  --c-line:#DFE3E1;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,32,30,.06);
  --sh-2:0 6px 20px rgba(23,32,30,.08);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:40px; --sp-7:64px; --sp-8:96px;
  --container:1200px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease}
a:hover{color:var(--c-accent)}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,button{font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:var(--r-sm)}
.skip-link{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:#12705F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{background:var(--c-primary-strong);transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:rgba(14,92,80,.08);color:var(--c-primary-strong);border-color:var(--c-primary-strong)}
.btn--light{background:#fff;color:var(--c-primary);border-color:#fff}
.btn--light:hover{background:#F1EFEA;color:var(--c-primary-strong)}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--block{width:100%}
@media(max-width:520px){.btn--block-xs{width:100%}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);box-shadow:var(--sh-1)}
.header-top{border-bottom:1px solid var(--c-line)}
.header-top__inner{display:flex;align-items:center;gap:16px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary) 0%,#17836F 62%,var(--c-accent) 100%);
  position:relative;
}
.brand__mark::after{
  content:"";position:absolute;inset:8px 8px 8px 8px;border-radius:3px;
  border:2px solid rgba(255,255,255,.85);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(45deg);
}
.brand__text{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;white-space:nowrap}
.brand__text em{font-style:normal;color:var(--c-primary)}
.header-search{display:none;flex:1 1 auto;max-width:420px;margin-left:auto}
.header-search input{
  width:100%;padding:11px 14px;border:1px solid var(--c-line);border-radius:var(--r-md);
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
.header-search input::placeholder{color:#8A938F}
.header-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,92,80,.14)}
.header-search__row{display:flex;gap:8px}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.header-cta{display:none;white-space:nowrap}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--c-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--c-ink-soft);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,92,80,.06)}
.nav-toggle{display:inline-flex}
.channels-scroll{
  background:var(--c-surface-alt);border-bottom:1px solid var(--c-line);
  display:flex;gap:8px;align-items:center;
  padding:8px 20px;overflow-x:auto;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.channels-scroll::-webkit-scrollbar{display:none}
@media(min-width:768px){.channels-scroll{padding:8px 32px;justify-content:flex-start}}
.channel-tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--c-ink-soft);
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.channel-tab:hover{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.channel-tab.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.mobile-drawer{
  display:none;background:var(--c-surface);border-bottom:1px solid var(--c-line);
  padding:16px 20px 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer h4{font-size:13px;letter-spacing:.08em;color:var(--c-ink-soft);font-weight:600;margin-bottom:10px}
.mobile-drawer ul{display:grid;gap:6px;margin-bottom:18px}
.mobile-drawer a{
  display:block;padding:11px 14px;border-radius:var(--r-md);background:var(--c-surface-alt);
  font-size:15px;font-weight:600;color:var(--c-ink);
}
.mobile-drawer a:hover{background:rgba(14,92,80,.1);color:var(--c-primary)}
@media(min-width:1024px){
  .header-search{display:block}
  .header-cta{display:inline-flex}
  .nav-toggle{display:none}
  .mobile-drawer{display:none !important}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-info);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-info);text-decoration:underline;text-decoration-color:rgba(74,90,122,.35)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span[aria-current]{color:var(--c-ink);font-weight:600}
.breadcrumb .sep{color:#A9B2AF;text-decoration:none}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  background-image:linear-gradient(rgba(247,246,243,.94),rgba(247,246,243,.97)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
  padding:var(--sp-7) 0 var(--sp-6);
}
.cat-hero__inner{max-width:900px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(200,120,30,.12);color:#8E5510;
  font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.cat-hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.3;margin-bottom:16px;
  padding-bottom:14px;
}
.cat-hero h1::after{
  content:"";display:block;width:72px;height:4px;border-radius:2px;
  background:var(--c-primary);margin-top:18px;
}
.cat-hero__lead{font-size:17px;line-height:1.9;color:var(--c-ink-soft);max-width:62ch;margin-bottom:22px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:13.5px;font-weight:600;color:var(--c-primary);
  box-shadow:var(--sh-1);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.pill:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.pill--muted{color:var(--c-ink-soft);font-weight:500}

/* ---------- 概览数据条 ---------- */
.stat-band{padding:var(--sp-6) 0 var(--sp-5)}
.stat-grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media(min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.stat-card:hover{box-shadow:var(--sh-2);border-color:rgba(14,92,80,.28);transform:translateY(-2px)}
.stat-card__num{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.2;font-family:var(--mono)}
.stat-card__label{margin-top:6px;font-size:15px;font-weight:600}
.stat-card__desc{margin-top:6px;font-size:13.5px;line-height:1.75;color:var(--c-ink-soft)}

/* ---------- 行式内容列表（左图右文） ---------- */
.section{padding:var(--sp-7) 0}
.section--alt{background:var(--c-surface-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section__head{max-width:760px;margin-bottom:var(--sp-6)}
.section__head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.section__head p{color:var(--c-ink-soft);margin:0}
.flow-list{display:grid;gap:20px}
.flow-item{
  display:grid;gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);position:relative;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.flow-item:hover{box-shadow:var(--sh-2);border-color:rgba(14,92,80,.28);transform:translateY(-2px)}
.flow-item__media{position:relative;border-radius:var(--r-md);overflow:hidden;background:var(--c-surface-alt);aspect-ratio:16/10}
.flow-item__media img{width:100%;height:100%;object-fit:cover}
.flow-item__body{display:flex;flex-direction:column;gap:10px}
.flow-item__top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(14,92,80,.1);color:var(--c-primary);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.tag--accent{background:rgba(200,120,30,.14);color:#8E5510}
.flow-item h3{font-size:20px;line-height:1.5}
.flow-item h3 a{color:var(--c-ink)}
.flow-item h3 a:hover{color:var(--c-primary)}
.flow-item p{margin:0;color:var(--c-ink-soft);font-size:15.5px;line-height:1.85}
.meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:var(--c-info);margin-top:auto;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-primary);
  border-bottom:1px solid var(--c-primary);padding-bottom:2px;
}
.link-arrow::after{content:"→";font-size:14px;transition:transform .18s ease}
.link-arrow:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.link-arrow:hover::after{transform:translateX(3px)}
@media(min-width:768px){
  .flow-item{grid-template-columns:300px 1fr;gap:26px;padding:22px;align-items:center}
}
@media(min-width:1024px){
  .flow-item{grid-template-columns:340px 1fr}
}

/* ---------- 流程时间线 ---------- */
.steps{display:grid;gap:16px;counter-reset:step}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);position:relative;
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:block;font-family:var(--mono);font-size:14px;font-weight:700;
  color:var(--c-accent);margin-bottom:12px;letter-spacing:.08em;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{margin:0;font-size:14.5px;color:var(--c-ink-soft);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(14,92,80,.3)}
.faq-item[open]{border-color:rgba(14,92,80,.35);box-shadow:var(--sh-1);position:relative}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 20px;
  font-size:16px;font-weight:600;line-height:1.6;position:relative;
  transition:background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--c-surface-alt)}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;
  width:9px;height:9px;margin-top:-6px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(-45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item__body{padding:0 20px 20px;color:var(--c-ink-soft);font-size:15.5px;line-height:1.9}
.faq-item__body p:last-child{margin-bottom:0}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary);color:#fff;
  padding:var(--sp-7) 0;
}
.cta-band__inner{display:flex;flex-direction:column;gap:22px;align-items:flex-start}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);color:#fff}
.cta-band p{color:rgba(255,255,255,.86);margin:10px 0 0;max-width:56ch;font-size:15.5px;line-height:1.85}
@media(min-width:900px){
  .cta-band__inner{flex-direction:row;align-items:center;justify-content:space-between}
  .cta-band__text{max-width:62%}
  .cta-band .btn{flex:0 0 auto}
}
@media(max-width:520px){.cta-band .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C9D2CF;padding:var(--sp-7) 0 var(--sp-4);font-size:14.5px}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr}}
.site-footer .brand__text{color:#fff}
.site-footer .brand__text em{color:#6FD3BE}
.footer-desc{margin:14px 0 0;color:rgba(201,210,207,.82);line-height:1.85;font-size:14px;max-width:38ch}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(201,210,207,.88)}
.footer-col a:hover{color:#6FD3BE}
.footer-note{color:rgba(201,210,207,.72);font-size:13.5px;line-height:1.75;margin:0 0 12px}
.footer-form{display:flex;gap:8px;margin-bottom:10px}
.footer-form input{
  flex:1 1 auto;min-width:0;padding:11px 14px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;
}
.footer-form input::placeholder{color:rgba(201,210,207,.6)}
.footer-form input:focus{outline:none;border-color:#6FD3BE;box-shadow:0 0 0 3px rgba(111,211,190,.2)}
.footer-bottom{
  margin-top:var(--sp-6);padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-direction:column;gap:8px;
  font-size:13px;color:rgba(201,210,207,.66);
}
@media(min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}}

@media(max-width:480px){
  body{font-size:16px}
  .cat-hero{padding:var(--sp-6) 0 var(--sp-5)}
  .section{padding:var(--sp-6) 0}
}