/* roulang page: index */
:root{
  --ink:#0A1F1A;
  --brand:#0E6B4B;
  --brand-700:#09523A;
  --accent:#C6F04A;
  --warm:#FF6A2E;
  --bg:#F4F5F0;
  --surface:#FFFFFF;
  --line:#E2E6DC;
  --text:#1B2723;
  --muted:#5F6D67;
  --danger:#C43D2E;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(10,31,26,.04),0 8px 24px rgba(10,31,26,.06);
  --shadow-lg:0 12px 32px rgba(10,31,26,.10);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
h1{font-size:clamp(30px,5vw,48px);line-height:1.25}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;margin:48px 0 16px}
h3{font-size:21px;line-height:1.45;margin:28px 0 10px}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
li{margin-bottom:.5em;line-height:1.9}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1024px){.container{padding:0 24px}}
.section{padding:88px 0}
.section-tight{padding:64px 0}
@media (max-width:640px){.section{padding:56px 0}.section-tight{padding:44px 0}h2{margin:32px 0 12px}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);
  background:rgba(14,107,75,.08);border-radius:var(--radius-pill);
  padding:5px 14px;margin-bottom:14px;
}
.lead{font-size:17px;color:var(--muted);max-width:760px}
.body-col{max-width:800px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);color:var(--brand);border-color:rgba(14,107,75,.4)}
.btn-outline:hover{background:rgba(14,107,75,.08);color:var(--brand-700);border-color:var(--brand)}
.btn-lime{background:var(--accent);color:var(--ink)}
.btn-lime:hover{background:#B8E23A;color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 32px rgba(198,240,74,.24)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.text-link span{transition:transform .18s ease;display:inline-block}
.text-link:hover span{transform:translateX(3px)}

/* chip / 标签 */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;line-height:1.6;
  background:rgba(14,107,75,.08);color:var(--brand);border:1px solid transparent;
}
.chip-float{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(10,31,26,.82);color:#fff;border-color:rgba(255,255,255,.16);
  backdrop-filter:blur(4px);
}
.badge-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:rgba(255,106,46,.12);color:var(--warm);
  font-size:15px;font-weight:700;
}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.logo{display:flex;flex-direction:column;line-height:1.2;text-decoration:none}
.logo-top{font-size:19px;font-weight:800;letter-spacing:.16em;color:var(--ink)}
.logo-bottom{font-size:12.5px;font-weight:600;letter-spacing:.12em;color:var(--brand);margin-top:3px}
.header-actions{display:flex;align-items:center;gap:16px}
.header-actions .text-link{font-size:14px}
.menu-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);border-radius:10px;color:var(--ink);
}
.menu-toggle:hover{border-color:rgba(14,107,75,.5);color:var(--brand)}
.menu-toggle svg{width:20px;height:20px}
.nav-tabs{
  display:flex;gap:8px;overflow-x:auto;padding:0 0 12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:38px;padding:0 16px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;color:var(--text);
  background:var(--surface);border:1px solid var(--line);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav-tab:hover{background:rgba(14,107,75,.08);color:var(--brand);border-color:rgba(14,107,75,.3)}
.nav-tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.nav-tab.active:hover{background:var(--brand-700);color:#fff}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:80;visibility:hidden;opacity:0;transition:opacity .24s ease,visibility .24s ease}
.drawer.open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(10,31,26,.45);border:0;padding:0;width:100%}
.drawer-panel{
  position:absolute;left:0;top:0;bottom:0;width:84%;max-width:330px;
  background:var(--surface);padding:22px 20px 32px;overflow-y:auto;
  transform:translateX(-100%);transition:transform .26s ease;
  box-shadow:var(--shadow-lg);
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:20px;line-height:1;
}
.drawer-list{list-style:none;padding:0;margin:0 0 24px}
.drawer-list li{margin:0 0 8px}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:10px;font-size:15px;font-weight:600;
  color:var(--text);background:var(--bg);border:1px solid var(--line);
}
.drawer-list a:hover,.drawer-list a.active{background:rgba(14,107,75,.1);color:var(--brand);border-color:rgba(14,107,75,.3)}
body.no-scroll{overflow:hidden}

@media (max-width:900px){
  .menu-toggle{display:inline-flex}
  .nav-tabs{display:none}
  .header-actions .text-link{display:none}
}

/* Hero */
.hero{position:relative;padding:64px 0 72px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin-bottom:18px}
.hero-sub{font-size:19px;line-height:1.8;color:var(--muted);max-width:560px;margin-bottom:28px;font-weight:500}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:10px 28px;padding-top:24px;border-top:1px dashed var(--line);
}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted);font-weight:500}
.trust-item svg{width:17px;height:17px;flex:0 0 17px;color:var(--brand)}
.hero-figure{position:relative}
.hero-figure img{
  position:relative;z-index:1;width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:16px;background:#E7EBE2;box-shadow:var(--shadow-lg);
}
.hero-figure::after{
  content:"";position:absolute;right:-16px;bottom:-16px;width:68%;height:64%;
  border:2px solid var(--accent);border-radius:16px;z-index:0;
}
@media (max-width:980px){
  .hero{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure::after{right:-10px;bottom:-10px}
}

/* 痛点 */
.pain-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pain-item{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 22px 22px 20px;
  border-left:3px solid var(--accent);box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pain-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(14,107,75,.3);border-left-color:var(--accent)}
.pain-item h3{margin:0 0 6px;font-size:17px}
.pain-item p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75}
@media (max-width:760px){.pain-list{grid-template-columns:1fr}}

/* 解决方案 */
.solve-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:36px 0}
.solve-row:nth-child(even) .solve-media{order:2}
.solve-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-card);
  background:#E7EBE2;box-shadow:var(--shadow-sm);
}
.solve-row h3{margin-top:0;font-size:24px}
.solve-list{list-style:none;padding:0;margin:0 0 20px}
.solve-list li{display:flex;gap:10px;font-size:15px;color:var(--text);margin-bottom:10px;line-height:1.75}
.solve-list svg{width:19px;height:19px;flex:0 0 19px;margin-top:4px;color:var(--brand)}
@media (max-width:900px){
  .solve-row{grid-template-columns:1fr;gap:24px;padding:24px 0}
  .solve-row:nth-child(even) .solve-media{order:0}
}

/* 数据带 */
.stats-band{
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
  padding:72px 0;
}
.stats-band::before{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:radial-gradient(#C6F04A 1.2px,transparent 1.2px);
  background-size:16px 16px;pointer-events:none;
}
.stats-band h2{color:#fff;margin-top:0}
.stats-band .lead{color:rgba(255,255,255,.72)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:36px}
.stat{position:relative;padding-top:18px;border-top:2px solid rgba(255,255,255,.14)}
.stat::before{content:"";position:absolute;left:0;top:-2px;width:42px;height:2px;background:var(--accent)}
.stat-num{font-size:clamp(34px,4.6vw,52px);line-height:1.1;font-weight:700;color:var(--accent)}
.stat-num small{font-size:18px;font-weight:600;margin-left:4px}
.stat p{margin:10px 0 0;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.78)}
@media (max-width:760px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:22px}}

/* 证言 */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.voice-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.voice-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(14,107,75,.3)}
.voice-card::before{
  content:"“";position:absolute;right:22px;top:12px;
  font-size:64px;line-height:1;color:rgba(14,107,75,.12);font-family:Georgia,serif;
}
.voice-card blockquote{margin:0 0 20px;font-size:16px;line-height:1.85;color:var(--text)}
.voice-meta{display:flex;align-items:center;gap:12px}
.voice-avatar{
  width:46px;height:46px;border-radius:50%;object-fit:cover;background:#E7EBE2;flex:0 0 46px;border:2px solid rgba(198,240,74,.7);
}
.voice-name{font-size:15px;font-weight:600;color:var(--ink);line-height:1.4}
.voice-role{font-size:13px;color:var(--muted);line-height:1.4}
@media (max-width:760px){.voice-grid{grid-template-columns:1fr}}

/* 资讯卡 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(14,107,75,.3)}
.news-cover{position:relative;display:block}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#E7EBE2}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{font-size:13px;color:var(--muted);margin-bottom:8px}
.news-title{font-size:17px;line-height:1.5;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--brand)}
.news-sum{
  font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body .text-link{margin-top:auto}
.empty-state{
  grid-column:1/-1;text-align:center;padding:52px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--radius-card);color:var(--muted);
}
.empty-state p{margin:0 0 18px;font-size:15px}
@media (max-width:980px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.news-grid{grid-template-columns:1fr}}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:var(--surface);transition:background .2s ease}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 20px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-arrow{
  flex:0 0 24px;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);transition:transform .2s ease;
}
.faq-item[open]{background:#FAFBF7;box-shadow:inset 3px 0 0 var(--accent)}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-answer{padding:0 20px 22px 20px;font-size:15px;color:var(--muted);line-height:1.9;max-width:840px}
.faq-answer p{margin:0}

/* CTA 带 */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:72px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(135deg,#C6F04A 0 2px,transparent 2px 14px);
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{color:#fff;margin:0 0 10px}
.cta-band p{margin:0;color:rgba(255,255,255,.75);font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:60px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:40px}
.footer-logo .logo-top{color:#fff;font-size:18px}
.footer-logo .logo-bottom{color:var(--accent)}
.footer-desc{margin:16px 0 0;line-height:1.85;color:rgba(255,255,255,.62);font-size:14px;max-width:320px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.72);font-size:14px}
.footer-list a:hover{color:var(--accent)}
.footer-note{line-height:1.85;font-size:13.5px;color:rgba(255,255,255,.55)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* roulang page: category1 */
:root{
  --ink:#0A1F1A;
  --brand:#0E6B4B;
  --brand-700:#09523A;
  --accent:#C6F04A;
  --warm:#FF6A2E;
  --bg:#F4F5F0;
  --surface:#FFFFFF;
  --line:#E2E6DC;
  --text:#1B2723;
  --muted:#5F6D67;
  --danger:#C43D2E;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(10,31,26,.04), 0 8px 24px rgba(10,31,26,.06);
  --shadow-hover:0 12px 32px rgba(10,31,26,.10);
  --space-block:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--radius-card)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.1em}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:12px}
.logo{display:inline-flex;flex-direction:column;line-height:1.15;color:var(--ink);gap:3px}
.logo-top{font-size:18px;font-weight:800;letter-spacing:.16em}
.logo-bottom{font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--muted);transition:color .2s ease}
.logo:hover .logo-bottom{color:var(--brand)}
.header-actions{display:flex;align-items:center;gap:14px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease}
.menu-toggle:hover{border-color:var(--brand);background:#F1F8F4}
.nav-wrap{padding-bottom:12px}
.nav-tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:2px}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:14px;font-weight:500;white-space:nowrap;transition:all .2s ease;
}
.nav-tab:hover{background:#EAF5EF;border-color:#BFDCCE;color:var(--brand)}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
@media (max-width:820px){
  .nav-wrap{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-primary,.header-actions .text-link{display:none}
}
.drawer-mask{position:fixed;inset:0;background:rgba(10,31,26,.45);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:70}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:290px;max-width:86vw;background:#fff;z-index:80;
  transform:translateX(-100%);transition:transform .28s ease;display:flex;flex-direction:column;gap:18px;
  padding:20px;overflow-y:auto;box-shadow:0 12px 40px rgba(10,31,26,.18);
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:40px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;line-height:1}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;gap:10px}
.drawer-nav a{
  padding:12px 16px;border-radius:var(--radius-btn);border:1px solid var(--line);
  color:var(--text);font-size:15px;font-weight:500;background:#fff;
}
.drawer-nav a:hover{border-color:#BFDCCE;background:#EAF5EF;color:var(--brand)}
.drawer-nav a.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);background:var(--brand-700)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:rgba(14,107,75,.08);color:var(--brand-700)}
.btn-outline:active{background:rgba(14,107,75,.14)}
.btn-lime{background:var(--accent);color:var(--ink)}
.btn-lime:hover{background:#D6F86B;color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 32px rgba(10,31,26,.28)}
.btn-lime:active{transform:translateY(0)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600}
.text-link .arrow{transition:transform .2s ease}
.text-link:hover .arrow{transform:translateX(3px)}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:#EAF5EF;color:var(--brand);font-size:13px;font-weight:600;border:1px solid #CFE6DA;
}
.chip-warm{background:#FFF0E8;color:#B2431A;border-color:#FBD6C2}
.chip-dark{background:rgba(10,31,26,.72);color:#fff;border-color:transparent;backdrop-filter:blur(4px)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:56px 0 64px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.3;
}
.hero-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,31,26,.94) 12%,rgba(10,31,26,.72) 58%,rgba(10,31,26,.55) 100%)}
.hero-pattern{position:absolute;inset:0;opacity:.08;
  background-image:radial-gradient(#C6F04A 1px,transparent 1px);background-size:22px 22px}
.hero-inner{position:relative;z-index:1;max-width:860px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.hero h1{
  color:#fff;font-size:clamp(28px,4.6vw,44px);line-height:1.28;font-weight:700;margin:14px 0 16px;letter-spacing:-.01em;
}
.hero-sub{color:rgba(255,255,255,.86);font-size:17px;line-height:1.8;max-width:720px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.trust-bar{display:flex;flex-wrap:wrap;gap:12px}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  font-size:13.5px;color:rgba(255,255,255,.9);
}
.trust-item .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* ---------- sections ---------- */
main{display:block}
.section{padding:var(--space-block) 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(23px,3.2vw,32px);line-height:1.32;margin:12px 0 14px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);text-transform:uppercase}
@media (max-width:767px){:root{--space-block:56px}}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:900px){.split{grid-template-columns:1.05fr 1fr;gap:48px}}
.figure-frame{position:relative}
.figure-frame img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line);background:#E6EBE2}
.figure-frame::after{
  content:"";position:absolute;left:16px;bottom:-16px;width:60%;height:60%;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);border-radius:0 0 0 14px;pointer-events:none;opacity:.85;
}
.check-list{display:grid;gap:14px;margin-top:8px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text)}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(14,107,75,.1);
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:5px;
}
.check-list strong{color:var(--ink)}

/* ---------- key grid ---------- */
.grid-2{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:560px){.grid-2{grid-template-columns:repeat(2,1fr)}}
.key-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);transition:all .22s ease;position:relative;overflow:hidden;
}
.key-card:hover{transform:translateY(-2px);border-color:rgba(14,107,75,.3);box-shadow:var(--shadow-hover)}
.key-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  border:1px solid rgba(255,106,46,.35);background:rgba(255,106,46,.1);color:var(--warm);
  font-size:14px;font-weight:800;margin-bottom:14px;
}
.key-card h3{font-size:19px;line-height:1.45;margin-bottom:8px}
.key-card p{color:var(--muted);font-size:15px;margin:0}

/* ---------- steps ---------- */
.steps{display:grid;gap:0;position:relative;margin-top:8px}
.step{position:relative;padding:0 0 34px 44px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:15px;top:32px;bottom:0;width:1px;background:var(--line);
}
.step:last-child::before{display:none}
.step-dot{
  position:absolute;left:0;top:2px;width:31px;height:31px;border-radius:50%;
  background:#fff;border:1px solid var(--brand);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15px;margin:0 0 6px}
.step-note{
  display:inline-block;font-size:13.5px;color:#B2431A;background:#FFF0E8;border:1px solid #FBD6C2;
  border-radius:999px;padding:3px 10px;
}
.steps-wrap{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:980px){.steps-wrap{grid-template-columns:1.6fr 1fr;gap:48px;align-items:start}}
.summary-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
}
@media (min-width:980px){.summary-card{position:sticky;top:130px}}
.summary-card h3{font-size:18px;margin-bottom:14px}
.summary-card ul{display:grid;gap:12px}
.summary-card li{display:flex;gap:10px;font-size:14.5px;color:var(--muted)}
.summary-card li .bar{flex:0 0 auto;width:3px;border-radius:3px;background:var(--accent);margin-top:6px;height:16px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:all .2s ease;
}
.faq-item:hover{border-color:rgba(14,107,75,.3)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .caret{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);font-size:12px;
  transition:transform .2s ease;
}
.faq-item[open]{background:#FAFBF7;border-left:3px solid var(--accent)}
.faq-item[open] summary{padding-left:19px}
.faq-item[open] .caret{transform:rotate(180deg)}
.faq-body{padding:0 22px 20px 22px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-body p{margin:0 0 .8em}
.faq-body p:last-child{margin-bottom:0}

/* ---------- cta band ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:72px 0}
.cta-band .hero-bg{opacity:.22}
.cta-band .hero-pattern{opacity:.08}
.cta-inner{position:relative;z-index:1;max-width:760px}
.cta-band h2{color:#fff;font-size:clamp(23px,3.2vw,32px);line-height:1.32;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.85);font-size:16px;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px}
@media (min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}}
.footer-logo{color:#fff}
.footer-logo .logo-top{color:#fff}
.footer-logo .logo-bottom{color:rgba(255,255,255,.64)}
.footer-logo:hover .logo-bottom{color:var(--accent)}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:grid;gap:11px}
.footer-list a{color:rgba(255,255,255,.78);font-size:14.5px}
.footer-list a:hover{color:var(--accent)}
.footer-note{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.64);margin:0}
.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:rgba(255,255,255,.56);
}

/* roulang page: article */
:root{
  --ink:#0A1F1A;
  --brand:#0E6B4B;
  --brand-700:#09523A;
  --accent:#C6F04A;
  --warm:#FF6A2E;
  --bg:#F4F5F0;
  --surface:#FFFFFF;
  --line:#E2E6DC;
  --text:#1B2723;
  --muted:#5F6D67;
  --danger:#C43D2E;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(10,31,26,.04),0 8px 24px rgba(10,31,26,.06);
  --shadow-lg:0 12px 32px rgba(10,31,26,.10);
  --focus:0 0 0 3px rgba(198,240,74,.85);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:var(--focus)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.logo{display:inline-flex;flex-direction:column;line-height:1.15;text-decoration:none}
.logo-top{font-size:18px;font-weight:700;letter-spacing:.16em;color:var(--ink);font-variant-numeric:tabular-nums}
.logo-bottom{font-size:12px;letter-spacing:.06em;color:var(--brand);margin-top:2px}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-tabs{display:flex;gap:8px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{
  flex:0 0 auto;
  padding:7px 16px;
  font-size:14px;
  color:var(--text);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-tab:hover{background:rgba(14,107,75,.07);border-color:rgba(14,107,75,.35);color:var(--brand-700)}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-tab.active:hover{background:var(--brand-700);color:#fff}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  cursor:pointer;transition:background .2s ease;
}
.menu-toggle:hover{background:rgba(14,107,75,.07)}
.menu-toggle svg{width:20px;height:20px}
@media (max-width:860px){
  .nav-tabs{display:none}
  .menu-toggle{display:inline-flex}
  .hide-sm{display:none}
}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;left:0;bottom:0;z-index:90;
  width:286px;max-width:84vw;
  background:var(--surface);
  padding:22px 20px 32px;
  overflow-y:auto;
  transform:translateX(-102%);
  transition:transform .26s cubic-bezier(.4,0,.2,1);
  box-shadow:var(--shadow-lg);
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(10,31,26,.45);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-title{font-size:13px;letter-spacing:.1em;color:var(--muted);margin:18px 0 10px}
.drawer-list{display:flex;flex-direction:column;gap:8px}
.drawer-link{
  display:block;padding:11px 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:15px;
}
.drawer-link:hover{background:rgba(14,107,75,.07);border-color:rgba(14,107,75,.3);color:var(--brand-700)}
.drawer-link.active{background:var(--brand);border-color:var(--brand);color:#fff}
.drawer .btn{width:100%;justify-content:center;margin-top:20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 20px;font-size:15px;font-weight:600;
  border-radius:var(--radius-btn);border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:var(--surface);color:var(--brand);border-color:var(--brand)}
.btn-secondary:hover{background:rgba(14,107,75,.08);color:var(--brand-700)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#d5f76a;color:var(--ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:transparent}
.btn-ghost:hover{background:rgba(14,107,75,.08)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand)}
.text-link .arrow{transition:transform .2s ease}
.text-link:hover .arrow{transform:translateX(3px)}

/* ============ 标签 / 徽章 ============ */
.chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;font-size:13px;line-height:1.7;
  background:rgba(14,107,75,.10);color:var(--brand-700);
  border-radius:999px;
}
.chip-warm{background:rgba(255,106,46,.12);color:#B8451A}
.chip-dark{background:rgba(10,31,26,.78);color:#fff}
.meta-item{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ============ 文章头部窄带 ============ */
.article-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,#EFF3EA 100%);
  border-bottom:1px solid var(--line);
  padding:22px 0 30px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#B9C2B8}
.crumbs .current{color:var(--text);max-width:min(560px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(26px,4.2vw,42px);
  line-height:1.28;
  letter-spacing:-.01em;
  max-width:900px;
  margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}

/* ============ 主体布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:34px;
  padding:42px 0 8px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,2.1fr) minmax(0,1fr);gap:52px;padding-top:56px}
}

/* 正文排版 */
.article-body{
  max-width:800px;
  font-size:16.5px;
  line-height:1.9;
  color:#23302B;
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(22px,2.8vw,29px);
  line-height:1.35;
  margin:46px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--accent);
  scroll-margin-top:110px;
}
.article-body h3{font-size:20px;line-height:1.45;margin:30px 0 10px;scroll-margin-top:110px}
.article-body h4{font-size:17px;margin:22px 0 8px}
.article-body p{margin:0 0 1.15em}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.35em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body strong{color:var(--ink)}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--accent);
  background:#FAFBF5;border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  color:#33413B;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-card);margin:24px auto;box-shadow:var(--shadow-sm)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:#F1F4EC;color:var(--ink);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body code{background:#F1F4EC;padding:2px 6px;border-radius:6px;font-size:14.5px}

/* 空态 */
.empty-state{
  max-width:640px;
  padding:44px 28px;
  text-align:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;background:rgba(14,107,75,.10);color:var(--brand);
}
.empty-icon svg{width:24px;height:24px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){
  .article-side{position:sticky;top:118px;align-self:start}
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.side-card:hover{border-color:rgba(14,107,75,.3);box-shadow:var(--shadow-lg)}
.side-title{
  font-size:15px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-title::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent)}
.toc-list{display:flex;flex-direction:column;gap:6px}
.toc-link{
  display:block;font-size:14.5px;color:var(--muted);
  padding:7px 10px;border-radius:8px;line-height:1.6;
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-link:hover{background:rgba(14,107,75,.07);color:var(--brand-700);border-left-color:var(--accent)}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7}
.side-list .num{
  flex:0 0 auto;width:22px;height:22px;border-radius:999px;
  background:rgba(255,106,46,.13);color:#B8451A;
  font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.side-card .btn{width:100%;margin-top:16px}
.side-note{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7}

/* ============ 相关推荐 ============ */
.related{padding:60px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,3vw,30px)}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:6px}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:600px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(14,107,75,.3);box-shadow:var(--shadow-lg)}
.card-cover{position:relative;aspect-ratio:16/9;background:#E7EBE2;overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover .chip{position:absolute;top:12px;left:12px}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{
  font-size:17px;line-height:1.5;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-title{color:var(--brand-700)}
.card-desc{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.back-row{display:flex;justify-content:center;padding:38px 0 0}

/* ============ 深色 CTA 带 ============ */
.cta-band{
  margin-top:72px;
  background:var(--ink);
  background-image:radial-gradient(rgba(198,240,74,.16) 1px,transparent 1px);
  background-size:22px 22px;
  color:#fff;
  padding:64px 0;
}
.cta-inner{display:flex;flex-direction:column;gap:26px}
@media (min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-band h2{color:#fff;font-size:clamp(23px,3.2vw,32px);line-height:1.35}
.cta-band p{color:rgba(255,255,255,.76);margin-top:10px;font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:40px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}}
.footer-logo{display:inline-flex;flex-direction:column;line-height:1.15;margin-bottom:14px}
.footer-logo .logo-top{color:#fff;font-size:18px;font-weight:700;letter-spacing:.16em}
.footer-logo .logo-bottom{color:var(--accent);font-size:12px;letter-spacing:.06em;margin-top:2px}
.footer-desc{font-size:14px;line-height:1.85;max-width:340px}
.footer-title{font-size:15px;color:#fff;margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:9px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.78)}
.footer-list a:hover{color:var(--accent)}
.footer-note{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:8px 20px;
  justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.6);
  font-variant-numeric:tabular-nums;
}
@media (max-width:860px){
  .article-title{font-size:26px}
  .cta-band{padding:52px 0}
}

/* roulang page: category2 */
:root{
  --ink:#0A1F1A;
  --brand:#0E6B4B;
  --brand-700:#09523A;
  --accent:#C6F04A;
  --warm:#FF6A2E;
  --bg:#F4F5F0;
  --surface:#FFFFFF;
  --line:#E2E6DC;
  --text:#1B2723;
  --muted:#5F6D67;
  --danger:#C43D2E;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(10,31,26,.04), 0 8px 24px rgba(10,31,26,.06);
  --shadow-2:0 12px 32px rgba(10,31,26,.10);
  --max:1200px;
  --pad:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(30px,5vw,48px);line-height:1.25;}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;margin-top:48px;margin-bottom:16px;}
h3{font-size:21px;line-height:1.45;font-weight:600;margin-top:28px;margin-bottom:10px;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.2em;}
li{margin-bottom:.4em;line-height:1.9;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(198,240,74,.7);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad);}
.section{padding:88px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:820px;margin-bottom:36px;}
.section-head h2{margin-top:0;}
.section-head p{color:var(--muted);margin-bottom:0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0 10px;}
.logo{display:flex;flex-direction:column;line-height:1.15;color:var(--ink);}
.logo-top{font-size:20px;font-weight:700;letter-spacing:.16em;color:var(--brand);}
.logo-bottom{font-size:13px;color:var(--muted);letter-spacing:.06em;}
.logo:hover .logo-top{color:var(--brand-700);}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-link{font-size:14px;color:var(--muted);font-weight:500;}
.header-link:hover{color:var(--brand);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);align-items:center;justify-content:center;background:var(--surface);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-tabs{display:flex;gap:10px;padding:6px 0 14px;overflow-x:auto;scrollbar-width:none;}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;}
.nav-tab:hover{border-color:rgba(14,107,75,.35);background:#F0F6F1;color:var(--brand);}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.nav-tab.active:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}

/* drawer */
.drawer{position:fixed;inset:0 auto 0 0;width:280px;max-width:84vw;background:var(--surface);z-index:90;transform:translateX(-102%);transition:transform .26s ease;padding:22px 20px;box-shadow:var(--shadow-2);display:flex;flex-direction:column;gap:8px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);font-size:18px;line-height:1;color:var(--muted);}
.drawer-link{padding:12px 14px;border-radius:var(--r-btn);color:var(--text);font-weight:600;border:1px solid transparent;}
.drawer-link:hover{background:#F0F6F1;color:var(--brand);}
.drawer-link.active{background:var(--brand);color:#fff;}
.drawer-mask{position:fixed;inset:0;background:rgba(10,31,26,.45);opacity:0;visibility:hidden;transition:opacity .26s ease;z-index:80;}
.drawer-mask.open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:var(--brand-700);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:rgba(14,107,75,.4);}
.btn-outline:hover{background:rgba(14,107,75,.08);color:var(--brand-700);border-color:var(--brand);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:var(--ink);border-color:var(--accent);}
.btn-accent:hover{background:#B8E23A;color:var(--ink);transform:translateY(-1px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand);}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* hero */
.hero{position:relative;color:#fff;background-image:linear-gradient(118deg,rgba(10,31,26,.96),rgba(10,31,26,.86) 52%,rgba(14,107,75,.74)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;background-color:#0A1F1A;}
.hero-inner{padding:64px 0 70px;max-width:860px;}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.78);}
.crumbs a:hover{color:var(--accent);}
.crumbs span.sep{opacity:.5;}
.crumbs .current{color:#fff;font-weight:600;}
.hero h1{color:#fff;margin-bottom:16px;}
.hero .lead{font-size:17px;color:rgba(255,255,255,.86);max-width:760px;margin-bottom:24px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(198,240,74,.16);color:var(--accent);border:1px solid rgba(198,240,74,.34);}
.chip-solid{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-strip{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);font-size:14px;color:rgba(255,255,255,.8);}
.hero-strip span{display:inline-flex;align-items:center;gap:8px;}
.hero-strip span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}

/* prep cards */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.prep-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.prep-card:hover{transform:translateY(-2px);border-color:rgba(14,107,75,.3);box-shadow:var(--shadow-2);}
.prep-card h3{margin-top:16px;margin-bottom:8px;}
.prep-card p{color:var(--muted);font-size:15px;margin-bottom:0;}
.icon-box{width:46px;height:46px;border-radius:12px;background:rgba(14,107,75,.08);display:flex;align-items:center;justify-content:center;color:var(--brand);}
.icon-box svg{width:22px;height:22px;}
.num-badge{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:26px;padding:0 8px;border-radius:999px;background:rgba(255,106,46,.12);color:var(--warm);font-weight:700;font-size:13px;}

/* figure */
.figure{margin:0 0 32px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:#E7EAE2;}
.figure figcaption{padding:12px 18px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);background:#FAFBF7;}

/* timeline */
.flow-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start;}
.timeline{list-style:none;margin:0;padding:0;}
.step{position:relative;display:grid;grid-template-columns:44px minmax(0,1fr);gap:20px;padding-bottom:32px;}
.step:last-child{padding-bottom:0;}
.step::before{content:"";position:absolute;left:21px;top:52px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(14,107,75,.35),rgba(14,107,75,.08));}
.step:last-child::before{display:none;}
.step-num{width:44px;height:44px;border-radius:999px;background:var(--accent);color:var(--ink);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 1px 2px rgba(10,31,26,.08);}
.step-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step-body:hover{transform:translateY(-2px);border-color:rgba(14,107,75,.3);box-shadow:var(--shadow-2);}
.step-body h3{margin-top:0;margin-bottom:8px;font-size:19px;}
.step-body p{color:var(--muted);margin-bottom:10px;}
.step-body p:last-child{margin-bottom:0;}
.step-tip{font-size:14px;color:var(--brand);background:rgba(14,107,75,.06);border-left:3px solid var(--accent);border-radius:0 8px 8px 0;padding:10px 14px;margin:0;}
.summary-card{position:sticky;top:132px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-1);}
.summary-card h3{margin-top:0;font-size:18px;}
.summary-list{list-style:none;margin:0 0 18px;padding:0;}
.summary-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);padding:9px 0;border-bottom:1px dashed var(--line);}
.summary-list li:last-child{border-bottom:0;}
.summary-list b{color:var(--brand);font-weight:700;}
.summary-card .btn{width:100%;}

/* notice list */
.notice-list{list-style:none;margin:0;padding:0;display:grid;gap:16px;}
.notice-item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--warm);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease;}
.notice-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.notice-item h3{margin-top:0;margin-bottom:6px;font-size:19px;}
.notice-item p{margin-bottom:0;color:var(--muted);font-size:15px;}

/* scene cards */
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.scene-card:hover{transform:translateY(-2px);border-color:rgba(14,107,75,.3);box-shadow:var(--shadow-2);}
.scene-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:#E7EAE2;}
.scene-body{padding:22px 24px 26px;}
.scene-body h3{margin-top:0;margin-bottom:8px;font-size:19px;}
.scene-body p{color:var(--muted);font-size:15px;margin-bottom:14px;}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:rgba(14,107,75,.08);color:var(--brand);font-size:12px;font-weight:600;margin-bottom:12px;}

/* cta band */
.cta-band{background-color:var(--ink);background-image:radial-gradient(rgba(198,240,74,.10) 1px,transparent 1px);background-size:18px 18px;color:#fff;padding:74px 0;}
.cta-band h2{color:#fff;margin-top:0;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.82);max-width:720px;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-logo{margin-bottom:16px;}
.footer-logo .logo-top{color:var(--accent);}
.footer-logo .logo-bottom{color:rgba(255,255,255,.7);}
.footer-desc{font-size:14px;color:rgba(255,255,255,.72);margin:0;max-width:340px;}
.footer-title{font-size:15px;color:#fff;margin:0 0 16px;font-weight:600;}
.footer-list{list-style:none;margin:0;padding:0;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.76);font-size:14px;}
.footer-list a:hover{color:var(--accent);}
.footer-note{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.6);}

@media (min-width:1024px){
  .container{padding:0 24px;}
}
@media (max-width:1023px){
  .nav-tabs{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-link{display:none;}
  .flow-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .summary-card{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:64px 0;}
}
@media (max-width:639px){
  .hero-inner{padding:44px 0 50px;}
  .hero .lead{font-size:16px;}
  .grid-3,.grid-2{grid-template-columns:minmax(0,1fr);}
  .step{grid-template-columns:36px minmax(0,1fr);gap:14px;}
  .step-num{width:36px;height:36px;font-size:15px;}
  .step::before{left:17px;top:44px;}
  .step-body{padding:18px 18px;}
  .notice-item{grid-template-columns:minmax(0,1fr);gap:10px;padding:18px 18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .section{padding:56px 0;}
  .cta-band{padding:56px 0;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .summary-card .btn{width:100%;}
  .prep-card{padding:22px 20px;}
}
@media (max-width:520px){
  .logo-top{font-size:18px;letter-spacing:.12em;}
  .logo-bottom{font-size:12px;}
}

/* roulang page: category4 */
:root{
  --ink:#0A1F1A;
  --brand:#0E6B4B;
  --brand-700:#09523A;
  --accent:#C6F04A;
  --warm:#FF6A2E;
  --bg:#F4F5F0;
  --surface:#FFFFFF;
  --line:#E2E6DC;
  --text:#1B2723;
  --muted:#5F6D67;
  --danger:#C43D2E;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(10,31,26,.04),0 8px 24px rgba(10,31,26,.06);
  --shadow-lg:0 12px 32px rgba(10,31,26,.10);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--radius-card)}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(30px,5vw,48px);line-height:1.25}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;margin-top:48px;margin-bottom:16px}
h3{font-size:21px;line-height:1.45;font-weight:600;margin-top:28px;margin-bottom:10px}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
li{margin-bottom:.45em}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0 12px}
.logo{display:inline-flex;flex-direction:column;line-height:1.15;text-decoration:none}
.logo-top{font-size:19px;font-weight:800;letter-spacing:.1em;color:var(--ink)}
.logo-bottom{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand)}
.logo:hover .logo-top{color:var(--brand)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-link{font-size:14px;color:var(--muted);white-space:nowrap}
.header-link:hover{color:var(--brand)}
.header-bottom{border-top:1px solid transparent}
.nav-tabs{
  display:flex;gap:8px;overflow-x:auto;
  padding:0 0 12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{
  flex:0 0 auto;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:14px;
  white-space:nowrap;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.nav-tab:hover{background:#F0F6F1;border-color:rgba(14,107,75,.35);color:var(--brand)}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.nav-tab.active:hover{background:var(--brand-700);color:#fff}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(14,107,75,.45)}
.btn-outline:hover{background:rgba(14,107,75,.08);color:var(--brand-700);border-color:var(--brand)}
.btn-lime{background:var(--accent);color:var(--ink)}
.btn-lime:hover{background:#B7E23B;color:var(--ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;background:none;border:0;padding:0;cursor:pointer;
}
.btn-text .arrow{transition:transform .18s ease}
.btn-text:hover .arrow{transform:translateX(3px)}

/* ---------- Chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:rgba(14,107,75,.10);
  color:var(--brand);
  font-size:13px;font-weight:600;line-height:1.6;
}
.chip-warm{background:rgba(255,106,46,.12);color:#C24A16}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:820px;margin-bottom:36px}
.section-head p{color:var(--muted);margin-bottom:0}
.lead{font-size:17px;color:var(--muted);max-width:720px}

/* ---------- Hero ---------- */
.hero{padding:56px 0 64px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media (min-width:960px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero h1{margin-bottom:18px}
.hero h1 .hl{
  background:linear-gradient(transparent 62%,rgba(198,240,74,.75) 62%);
  padding:0 2px;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0}
.hero-facts li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin:0}
.hero-facts li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(198,240,74,.28)}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#DCE4DA;box-shadow:var(--shadow-lg)}
.hero-figure::after{
  content:"";position:absolute;right:-14px;bottom:-14px;width:120px;height:120px;
  border:3px solid var(--accent);border-radius:16px;z-index:-1;
}
@media (max-width:959px){.hero-figure::after{display:none}}

/* ---------- Compare table ---------- */
.table-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:780px}
table.compare caption{
  text-align:left;padding:20px 22px 6px;font-size:14px;color:var(--muted);
}
table.compare th{
  background:#EEF5EF;color:var(--ink);font-size:14px;font-weight:700;text-align:left;
  padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.compare td{
  padding:15px 18px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top;
}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:#FAFBF7}
table.compare td:first-child{
  font-weight:600;color:var(--ink);background:#FBFCF8;white-space:nowrap;
}
table.compare .mark-yes{color:var(--brand);font-weight:600}
table.compare .mark-no{color:var(--muted)}
.table-note{font-size:13px;color:var(--muted);padding:14px 22px 20px;border-top:1px solid var(--line);background:#FBFCF8}

/* 移动端对比卡 */
.compare-cards{display:none;gap:16px;grid-template-columns:1fr}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:20px}
.compare-card h3{margin-top:0;font-size:18px;display:flex;align-items:center;gap:10px}
.compare-card dl{margin:0;display:grid;grid-template-columns:88px 1fr;gap:8px 12px;font-size:14px}
.compare-card dt{color:var(--muted)}
.compare-card dd{margin:0;color:var(--text)}
@media (max-width:767px){
  .table-block{display:none}
  .compare-cards{display:grid}
}

/* ---------- Cards ---------- */
.grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(14,107,75,.3);box-shadow:var(--shadow-lg)}
.card-media{position:relative;background:#DCE4DA}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.card-media .chip{
  position:absolute;top:12px;left:12px;
  background:rgba(10,31,26,.78);color:#fff;backdrop-filter:blur(4px);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{margin-top:0;font-size:18px;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:15px;color:var(--muted);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body .btn-text{margin-top:auto}
.icon-box{
  width:44px;height:44px;border-radius:12px;background:rgba(14,107,75,.10);
  display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:14px;
}
.icon-box svg{width:22px;height:22px}

/* ---------- Check list ---------- */
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding-left:28px;margin-bottom:10px;font-size:15px;color:var(--text)}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:7px;
  border-left:2.5px solid var(--brand);border-bottom:2.5px solid var(--brand);
  transform:rotate(-45deg);
}

/* ---------- Notice list ---------- */
.notice-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.notice-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-card);padding:18px 22px;box-shadow:var(--shadow-sm);
}
.notice-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:8px;
  background:rgba(255,106,46,.12);color:#C24A16;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;
}
.notice-item h3{margin:0 0 4px;font-size:16px}
.notice-item p{margin:0;font-size:14px;color:var(--muted)}

/* ---------- Stats band ---------- */
.stats-band{
  position:relative;
  background:var(--ink);color:#fff;
  padding:72px 0;
  overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(198,240,74,.35) 1px,transparent 1px);
  background-size:18px 18px;opacity:.28;pointer-events:none;
}
.stats-band h2{color:#fff;margin-top:0;text-align:center}
.stats-band .band-note{color:rgba(255,255,255,.72);text-align:center;max-width:700px;margin:0 auto 42px}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:32px 24px}
@media (min-width:900px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat{text-align:center}
.stat-num{
  display:block;font-size:clamp(36px,5vw,52px);line-height:1.1;font-weight:700;
  color:var(--accent);letter-spacing:-.01em;
}
.stat-label{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:background .2s ease,border-color .2s ease;
}
.faq-item[open]{background:#FAFBF7;border-color:rgba(14,107,75,.28)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-weight:600;font-size:16px;color:var(--ink);
  border-left:3px solid transparent;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{border-left-color:var(--accent)}
.faq-arrow{
  flex:0 0 auto;width:18px;height:18px;color:var(--muted);
  transition:transform .2s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--muted);max-width:760px}
.faq-body p:last-child{margin-bottom:0}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:76px 0}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border:2px solid rgba(198,240,74,.28);border-radius:50%;pointer-events:none;
}
.cta-inner{position:relative;max-width:760px}
.cta-band h2{color:#fff;margin-top:0}
.cta-band p{color:rgba(255,255,255,.78);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-logo{margin-bottom:14px}
.footer-logo .logo-top{color:#fff}
.footer-logo .logo-bottom{color:var(--accent)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.7);max-width:340px;margin:0}
.footer-title{font-size:15px;color:#fff;margin:0 0 14px;font-weight:600}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{margin-bottom:9px}
.footer-list a{color:rgba(255,255,255,.78);font-size:14px}
.footer-list a:hover{color:var(--accent)}
.footer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);margin:0}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- Misc ---------- */
.divider{height:1px;background:var(--line);border:0;margin:0}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--ink);font-weight:600}
.two-col{display:grid;gap:32px;grid-template-columns:1fr;align-items:center}
@media (min-width:900px){.two-col{grid-template-columns:1fr 1fr;gap:48px}}
.two-col img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#DCE4DA;box-shadow:var(--shadow-sm)}
@media (max-width:639px){
  .section{padding:56px 0}
  .stats-band,.cta-band{padding:56px 0}
  h2{margin-top:34px}
}

/* roulang page: category3 */
:root{
  --ink:#0A1F1A;
  --brand:#0E6B4B;
  --brand-700:#09523A;
  --accent:#C6F04A;
  --warm:#FF6A2E;
  --bg:#F4F5F0;
  --surface:#FFFFFF;
  --line:#E2E6DC;
  --text:#1B2723;
  --muted:#5F6D67;
  --danger:#C43D2E;
  --soft:#FAFBF7;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(10,31,26,.04),0 8px 24px rgba(10,31,26,.06);
  --shadow-2:0 12px 32px rgba(10,31,26,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(30px,5vw,48px);line-height:1.25;}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;margin:48px 0 16px;}
h3{font-size:21px;line-height:1.45;font-weight:600;margin:28px 0 10px;}
p{margin:0 0 1.1em;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 24px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:68px;
}
.logo{display:inline-flex;flex-direction:column;line-height:1.12;text-decoration:none;}
.logo-top{
  font-size:19px;font-weight:700;letter-spacing:1.6px;color:var(--ink);
}
.logo-bottom{
  font-size:12px;font-weight:600;letter-spacing:2.6px;color:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-link{
  font-size:14px;font-weight:600;color:var(--muted);
  padding:6px 2px;border-bottom:2px solid transparent;
}
.header-link:hover{color:var(--brand);border-bottom-color:var(--accent);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.nav-tabs{
  display:flex;gap:10px;align-items:center;
  padding:0 0 14px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  font-size:14px;font-weight:600;color:var(--muted);
  white-space:nowrap;
  transition:all .18s ease;
}
.nav-tab:hover{background:rgba(14,107,75,.08);color:var(--brand);border-color:rgba(14,107,75,.28);}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.nav-tab.active:hover{background:var(--brand-700);color:#fff;}

/* 抽屉 */
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;
  background:var(--surface);z-index:90;
  transform:translateX(-102%);transition:transform .24s ease;
  box-shadow:var(--shadow-2);padding:22px 20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;font-size:18px;line-height:1;color:var(--ink);
}
.drawer-title{font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--muted);margin:22px 0 10px;}
.drawer-list{display:flex;flex-direction:column;gap:8px;}
.drawer-list a{
  display:block;padding:11px 14px;border-radius:10px;border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--text);background:var(--surface);
}
.drawer-list a:hover{border-color:rgba(14,107,75,.3);background:rgba(14,107,75,.06);color:var(--brand);}
.drawer-list a.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,31,26,.42);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:all .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:var(--brand-700);}
.btn-outline{background:var(--surface);border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:rgba(14,107,75,.08);color:var(--brand-700);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#d5f86a;color:var(--ink);transform:translateY(-1px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-text{background:none;border:none;padding:6px 0;color:var(--brand);font-weight:600;}
.btn-text .arw{display:inline-block;transition:transform .18s ease;}
.btn-text:hover .arw{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

.chip{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:rgba(14,107,75,.1);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.chip-accent{background:rgba(198,240,74,.28);color:var(--brand-700);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  padding:18px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B9C2BA;}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background-color:var(--ink);
  background-image:linear-gradient(100deg,rgba(10,31,26,.94) 0%,rgba(10,31,26,.82) 46%,rgba(10,31,26,.62) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-radius:0 0 22px 22px;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:22px 22px;opacity:.06;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:44px;align-items:center;
  padding:52px 0 58px;
}
.hero-copy .chip{background:rgba(198,240,74,.9);color:var(--ink);}
.hero-copy h1{color:#fff;margin:18px 0 16px;max-width:640px;}
.hero-sub{
  color:rgba(255,255,255,.82);font-size:16px;max-width:620px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-figure{
  margin:0;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 18px 44px rgba(0,0,0,.32);
}
.hero-figure img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;background:#0d2b23;}

/* ---------- 快速自查 ---------- */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;}
.section-head p{color:var(--muted);}
.step-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:32px;
}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,107,75,.3);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:rgba(255,106,46,.12);color:var(--warm);
  font-weight:700;font-size:15px;margin-bottom:14px;
}
.step-card h3{margin:0 0 8px;font-size:17px;}
.step-card p{color:var(--muted);font-size:14.5px;margin:0;}

/* ---------- 问答主体 ---------- */
.faq-layout{
  display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;align-items:start;
}
.anchor-nav{
  position:sticky;top:150px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 18px;box-shadow:var(--shadow-1);
}
.anchor-title{
  font-size:12px;font-weight:700;letter-spacing:1.6px;color:var(--muted);
  text-transform:uppercase;margin:0 0 12px;
}
.anchor-nav ul{display:flex;flex-direction:column;gap:6px;}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:9px;
  font-size:14.5px;font-weight:600;color:var(--text);
  border-left:3px solid transparent;
}
.anchor-nav a:hover{background:rgba(14,107,75,.07);color:var(--brand);}
.anchor-note{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}

.faq-group{margin-bottom:56px;scroll-margin-top:150px;}
.faq-group > h2{margin:0 0 8px;}
.faq-group > .group-desc{color:var(--muted);font-size:15px;margin-bottom:22px;}

.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(14,107,75,.28);}
.faq-item[open]{background:var(--soft);border-color:rgba(14,107,75,.3);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;
  font-size:16.5px;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:0 0 auto;
  font-size:20px;font-weight:400;color:var(--brand);
  line-height:1.2;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-item[open] summary{border-left:3px solid var(--accent);padding-left:17px;}
.faq-item summary:hover{color:var(--brand);}
.faq-a{
  padding:0 20px 20px 20px;
  color:var(--muted);font-size:15px;line-height:1.85;
  animation:fadeIn .2s ease;
}
.faq-a strong{color:var(--text);font-weight:600;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

.help-note{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
}
.help-note h3{margin:0 0 6px;font-size:19px;}
.help-note p{margin:0;color:var(--muted);font-size:15px;max-width:640px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink);
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:24px 24px;
  border-radius:22px;
  padding:56px 40px;
  text-align:center;
  color:rgba(255,255,255,.82);
}
.cta-band h2{color:#fff;margin:0 0 12px;}
.cta-band p{max-width:620px;margin:0 auto 26px;color:rgba(255,255,255,.78);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.76);
  margin-top:var(--sp-section);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;
  padding-bottom:44px;
}
.footer-logo .logo-top{color:#fff;}
.footer-logo .logo-bottom{color:var(--accent);}
.footer-desc{font-size:14px;color:rgba(255,255,255,.66);margin:16px 0 0;max-width:320px;}
.footer-title{
  font-size:15px;color:#fff;margin:0 0 16px;font-weight:600;letter-spacing:.6px;
}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:var(--accent);}
.footer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .hero-inner{grid-template-columns:1fr;gap:30px;padding:40px 0 46px;}
  .hero-figure{order:-1;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .anchor-nav{position:static;padding:14px;}
  .anchor-title{display:none;}
  .anchor-nav ul{
    flex-direction:row;overflow-x:auto;gap:8px;scrollbar-width:none;
  }
  .anchor-nav ul::-webkit-scrollbar{display:none;}
  .anchor-nav a{
    flex:0 0 auto;white-space:nowrap;
    border-left:none;border:1px solid var(--line);border-radius:999px;
    padding:8px 16px;font-size:14px;
  }
  .anchor-nav a:hover{background:rgba(14,107,75,.07);}
  .anchor-note{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .step-strip{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .header-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-tabs{display:none;}
  .page-hero{border-radius:0 0 16px 16px;}
  .step-strip{grid-template-columns:1fr;}
  .cta-band{padding:44px 22px;border-radius:18px;}
  .help-note{padding:22px 18px;}
  .faq-item summary{font-size:15.5px;padding:16px 16px;}
  .faq-a{padding:0 16px 18px 16px;}
}
@media (max-width:559px){
  body{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .btn-text{width:auto;}
}