/* roulang page: index */
:root{
  --c-brand:#0E9275;
  --c-brand-strong:#0A6B56;
  --c-brand-soft:#E4F4EF;
  --c-accent:#FF5A3C;
  --c-accent-soft:#FFE7E1;
  --c-ink:#16201C;
  --c-ink-2:#46564F;
  --c-ink-3:#7A8B84;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-line:#E1E8E3;
  --c-highlight:#FFC53D;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,32,28,.05),0 10px 24px -16px rgba(22,32,28,.22);
  --sh-2:0 18px 40px -24px rgba(14,146,117,.42);
  --font-base:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","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-base);
  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-brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-brand-strong);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:3px;border-radius:var(--r-sm);
}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:var(--c-ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
@media(min-width:1400px){.container{max-width:1280px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-strong) 100%);
  position:relative;flex-shrink:0;
}
.brand-mark::before{
  content:"";position:absolute;inset:9px 9px 9px 9px;
  background:var(--c-surface);border-radius:3px;
}
.brand-mark::after{
  content:"";position:absolute;inset:13px;background:var(--c-accent);border-radius:2px;
}
.brand-name{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:0;line-height:1;}
.brand-tag{
  font-size:11.5px;font-weight:600;color:var(--c-brand-strong);
  background:var(--c-brand-soft);border-radius:var(--r-pill);
  padding:4px 9px;line-height:1;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin:0;}
.nav-links a{
  display:inline-block;font-size:15px;font-weight:500;color:var(--c-ink);
  padding:8px 14px;border-radius:var(--r-pill);transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:var(--c-brand-soft);color:var(--c-brand-strong);}
.nav-links a.active{background:var(--c-brand-soft);color:var(--c-brand-strong);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--c-accent);color:#fff;border:0;
  border-radius:10px;padding:11px 20px;font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-accent:hover{background:#E8452A;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px -14px rgba(255,90,60,.9);}
.btn-accent:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:10px;align-items:center;justify-content:center;color:var(--c-ink);
}
.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;}
@media(max-width:991.98px){
  .nav-inner{height:60px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .btn-accent.nav-cta-top{display:none;}
}
@media(min-width:992px){
  .nav-toggle{display:none;}
}
/* offcanvas 定制 */
.offcanvas.mobile-menu{background:var(--c-surface);color:var(--c-ink);width:min(86vw,340px);}
.mobile-menu .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px;}
.mobile-menu .offcanvas-body{padding:16px 20px 28px;display:flex;flex-direction:column;}
.mobile-menu .m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;line-height:48px;font-size:16px;font-weight:500;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-menu .m-link:hover,.mobile-menu .m-link.active{color:var(--c-brand-strong);}
.mobile-menu .m-cta{margin-top:22px;width:100%;padding:14px 20px;font-size:16px;}

/* ---------- 通用按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-brand);color:#fff;border:1.5px solid var(--c-brand);
  border-radius:10px;padding:13px 26px;font-size:16px;font-weight:600;line-height:1.2;
  transition:background .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-brand:hover{background:var(--c-brand-strong);border-color:var(--c-brand-strong);color:#fff;transform:translateY(-2px);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink);
  border-radius:10px;padding:12px 24px;font-size:16px;font-weight:600;line-height:1.2;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px);}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.72);}
.btn-ghost.on-dark:hover{background:#fff;color:var(--c-ink);border-color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-brand);font-size:15px;font-weight:600;
  border-bottom:2px solid var(--c-brand);padding-bottom:2px;line-height:1.4;
}
.btn-text:hover{color:var(--c-brand-strong);border-bottom-color:var(--c-brand-strong);}
.btn-text.on-dark{color:#9FE6D5;border-bottom-color:#9FE6D5;}
.btn-text.on-dark:hover{color:#fff;border-bottom-color:#fff;}

/* ---------- Hero ---------- */
.hero-wrap{padding:28px 0 0;}
.hero{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:520px;display:flex;align-items:center;
  box-shadow:var(--sh-1);
  isolation:isolate;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-mask{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(22,32,28,.93) 0%,rgba(22,32,28,.78) 42%,rgba(22,32,28,.40) 78%,rgba(22,32,28,.28) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:56px 44px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(228,244,239,.95);color:var(--c-brand-strong);
  font-size:12.5px;font-weight:600;border-radius:var(--r-pill);
  padding:6px 14px;line-height:1.4;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,40px);line-height:1.3;
  margin:20px 0 16px;font-weight:800;
}
.hero-sub{color:rgba(255,255,255,.86);font-size:18px;line-height:1.8;margin:0 0 28px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 26px;}
.hero-facts li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.9);font-size:15px;}
.hero-facts li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-brand);flex-shrink:0;}

.hero-card{
  background:rgba(18,28,24,.82);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);
  padding:22px;color:#fff;
  backdrop-filter:none;
}
.hc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.hc-label{font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.04em;}
.hc-chip{
  font-size:12px;font-weight:600;color:#FFD9D0;background:rgba(255,90,60,.24);
  border-radius:var(--r-pill);padding:4px 10px;line-height:1.3;
}
.stage-list{display:flex;flex-direction:column;gap:12px;margin-bottom:18px;}
.stage-item{display:flex;gap:12px;align-items:flex-start;}
.stage-no{
  width:30px;height:30px;flex-shrink:0;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;font-family:ui-monospace,var(--font-base);
  background:rgba(255,255,255,.10);color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.14);
}
.stage-item.is-done .stage-no{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.stage-item strong{display:block;font-size:15px;font-weight:600;color:#fff;line-height:1.5;}
.stage-item p{margin:2px 0 0;font-size:13px;line-height:1.6;color:rgba(255,255,255,.62);}
.hc-track{height:7px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);overflow:hidden;margin-bottom:18px;}
.hc-track span{display:block;height:100%;width:64%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-brand),#3FC7A6);}
.hc-btn{
  display:block;width:100%;text-align:center;
  background:var(--c-accent);color:#fff;font-size:14.5px;font-weight:600;
  border-radius:10px;padding:11px 16px;line-height:1.2;
  transition:background .18s ease,transform .18s ease;
}
.hc-btn:hover{background:#E8452A;color:#fff;transform:translateY(-2px);}
@media(max-width:991.98px){
  .hero{min-height:0;}
  .hero-inner{padding:40px 26px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-card{background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink);box-shadow:var(--sh-1);}
  .hero-card .hc-label{color:var(--c-ink-3);}
  .hero-card .stage-no{background:var(--c-brand-soft);color:var(--c-brand-strong);border-color:var(--c-line);}
  .hero-card .stage-item.is-done .stage-no{background:var(--c-brand);color:#fff;}
  .hero-card .stage-item strong{color:var(--c-ink);}
  .hero-card .stage-item p{color:var(--c-ink-2);}
  .hero-card .hc-track{background:var(--c-line);}
  .hc-chip{background:var(--c-accent-soft);color:#B23A22;}
}
@media(max-width:767.98px){
  .hero-mask{background:linear-gradient(180deg,rgba(22,32,28,.90) 0%,rgba(22,32,28,.86) 100%);}
  .hero-inner{padding:32px 20px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
@media(min-width:992px){.section{padding:96px 0;}}
@media(max-width:991.98px){.section{padding:64px 0;}}
@media(max-width:767.98px){.section{padding:48px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;}
.section-head .lead{color:var(--c-ink-2);font-size:16.5px;margin-top:10px;max-width:640px;}
.tag-pill{
  display:inline-block;background:var(--c-brand-soft);color:var(--c-brand-strong);
  border-radius:var(--r-pill);padding:4px 12px;font-size:12.5px;font-weight:600;line-height:1.5;
}
.tag-pill.accent{background:var(--c-accent-soft);color:#B23A22;}

/* ---------- 玩法步骤 ---------- */
.steps-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.steps-aside{position:sticky;top:96px;}
.steps-aside h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.steps-aside p{color:var(--c-ink-2);font-size:16.5px;margin-bottom:22px;}
.steps-list{position:relative;display:flex;flex-direction:column;gap:20px;}
.steps-list::before{
  content:"";position:absolute;left:22px;top:44px;bottom:44px;width:0;
  border-left:1px dashed var(--c-line);
}
.step-item{
  position:relative;display:flex;gap:18px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,146,117,.3);}
.step-num{
  position:relative;z-index:1;flex-shrink:0;
  width:44px;height:44px;border-radius:50%;
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;font-family:ui-monospace,var(--font-base);
}
.step-item h3{font-size:20px;font-weight:700;margin-bottom:8px;line-height:1.5;}
.step-item p{color:var(--c-ink-2);font-size:16px;line-height:1.85;margin:0;}
@media(max-width:991.98px){
  .steps-layout{grid-template-columns:1fr;gap:32px;}
  .steps-aside{position:static;}
  .steps-list::before{left:22px;}
}

/* ---------- 奖励预览 ---------- */
.reward-strip-wrap{overflow:hidden;}
.reward-strip{
  display:flex;gap:24px;overflow-x:auto;padding:6px 4px 22px;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
}
.reward-strip::-webkit-scrollbar{display:none;}
.reward-card{
  position:relative;flex:0 0 320px;max-width:320px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;
}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,146,117,.3);}
.reward-card.tall{flex-basis:340px;max-width:340px;margin-top:-18px;margin-bottom:18px;}
.reward-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-soft);position:relative;}
.reward-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;loading:lazy;}
.reward-card:hover .reward-media img{transform:scale(1.03);}
.reward-badge{
  position:absolute;top:12px;right:12px;background:var(--c-accent);color:#fff;
  font-size:12px;font-weight:700;border-radius:var(--r-pill);padding:4px 11px;line-height:1.4;
}
.reward-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.reward-body h3{font-size:20px;font-weight:700;line-height:1.5;}
.reward-body p{color:var(--c-ink-2);font-size:15px;line-height:1.8;margin:0;}
.reward-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;}
.count-tag{
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  border-radius:var(--r-pill);padding:4px 12px;font-size:12.5px;font-weight:600;line-height:1.5;
}

/* ---------- 任务进度 ---------- */
.track-section{background:var(--c-brand-soft);}
.track-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:40px 36px;box-shadow:var(--sh-1);
}
.progress-line{height:8px;border-radius:var(--r-pill);background:var(--c-line);position:relative;overflow:hidden;margin-bottom:34px;}
.progress-line span{display:block;height:100%;width:62%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-brand),#3FC7A6);}
.node-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.node{position:relative;padding-left:0;}
.node-dot{
  width:16px;height:16px;border-radius:50%;border:3px solid var(--c-line);background:var(--c-surface);
  display:block;margin-bottom:14px;
}
.node.is-done .node-dot{border-color:var(--c-brand);background:var(--c-brand);}
.node.is-current .node-dot{border-color:var(--c-accent);background:var(--c-accent);}
.node h3{font-size:17px;font-weight:700;margin-bottom:6px;line-height:1.5;}
.node p{font-size:14px;color:var(--c-ink-3);line-height:1.75;margin:0;}
.node .node-state{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:600;color:var(--c-brand-strong);background:var(--c-brand-soft);border-radius:var(--r-pill);padding:3px 10px;}
.node.is-current .node-state{color:#B23A22;background:var(--c-accent-soft);}
@media(max-width:991.98px){
  .node-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .track-panel{padding:32px 24px;}
}
@media(max-width:575.98px){
  .node-grid{grid-template-columns:1fr;gap:20px;}
  .node{padding-left:26px;}
  .node::before{content:"";position:absolute;left:7px;top:22px;bottom:-20px;width:0;border-left:1px dashed var(--c-line);}
  .node:last-child::before{display:none;}
  .node-dot{position:absolute;left:0;top:4px;margin-bottom:0;}
}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start;}
.news-feature{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  height:100%;
}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,146,117,.3);}
.news-feature .nf-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-soft);}
.news-feature .nf-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-feature:hover .nf-media img{transform:scale(1.03);}
.nf-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.nf-body h3{font-size:22px;font-weight:700;line-height:1.5;color:var(--c-ink);}
.nf-body p{color:var(--c-ink-2);font-size:15.5px;line-height:1.85;margin:0;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:var(--c-ink-3);margin-top:auto;}
.news-meta .badge-cat{
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  border-radius:var(--r-pill);padding:3px 11px;font-size:12.5px;font-weight:600;line-height:1.5;
}
.news-side{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,146,117,.3);}
.news-thumb{
  width:96px;height:72px;flex-shrink:0;border-radius:var(--r-sm);overflow:hidden;background:var(--c-brand-soft);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-item-body{min-width:0;flex:1;}
.news-item-body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px;
}
.news-item-body p{
  font-size:14px;color:var(--c-ink-2);line-height:1.7;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item-body .news-meta{font-size:13px;gap:10px;}
.empty-state{
  border:2px dashed var(--c-line);border-radius:var(--r-md);
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:48px 24px;text-align:center;background:var(--c-surface);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-brand-strong);font-size:24px;
}
.empty-state p{color:var(--c-ink-2);font-size:16px;margin:0;}
@media(max-width:991.98px){
  .news-layout{grid-template-columns:1fr;}
}
@media(max-width:575.98px){
  .news-item{flex-direction:column;}
  .news-thumb{width:100%;height:auto;aspect-ratio:16/10;}
}

/* ---------- 深色 CTA ---------- */
.cta-wrap{padding-bottom:0;}
.cta-band{
  background:var(--c-ink);border-radius:var(--r-lg);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:16.5px;margin:0;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media(max-width:767.98px){
  .cta-band{padding:36px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{flex:1 1 100%;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-wrap .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md)!important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-wrap .accordion-item:last-child{margin-bottom:0;}
.faq-wrap .accordion-button{
  background:var(--c-surface);color:var(--c-ink);font-size:17px;font-weight:600;line-height:1.6;
  padding:18px 54px 18px 20px;border:0;border-radius:var(--r-md)!important;box-shadow:none;
  transition:color .18s ease,background .18s ease;
}
.faq-wrap .accordion-button:not(.collapsed){
  color:var(--c-brand-strong);background:var(--c-surface);
  box-shadow:inset 3px 0 0 var(--c-brand);
}
.faq-wrap .accordion-button:hover{color:var(--c-brand-strong);}
.faq-wrap .accordion-button:focus{box-shadow:inset 3px 0 0 var(--c-brand);border:0;}
.faq-wrap .accordion-button::after{
  content:"";width:16px;height:16px;position:absolute;right:22px;top:50%;transform:translateY(-50%);
  background-image:none;border-right:2px solid var(--c-brand);border-bottom:2px solid var(--c-brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;margin:0;
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);}
.faq-wrap .accordion-body{padding:0 20px 20px;color:var(--c-ink-2);font-size:16px;line-height:1.85;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#B7C4BE;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9FAEA8;margin:16px 0 0;max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;line-height:1.5;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#B7C4BE;font-size:14.5px;display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:14.5px;line-height:1.85;color:#9FAEA8;margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#8B9C95;
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom a{color:#8B9C95;font-size:13.5px;}
.footer-bottom a:hover{color:#fff;}
@media(max-width:991.98px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media(max-width:575.98px){
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ---------- 滚动动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{transition-duration:.001ms!important;animation-duration:.001ms!important;}
}

/* roulang page: article */
:root{
  --c-brand:#0E9275;
  --c-brand-strong:#0A6B56;
  --c-brand-soft:#E4F4EF;
  --c-accent:#FF5A3C;
  --c-accent-soft:#FFE7E1;
  --c-ink:#16201C;
  --c-ink-2:#46564F;
  --c-ink-3:#7A8B84;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-line:#E1E8E3;
  --c-highlight:#FFC53D;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,32,28,.05),0 10px 24px -16px rgba(22,32,28,.22);
  --sh-2:0 18px 40px -24px rgba(14,146,117,.42);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"PingFang SC","Microsoft YaHei",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
h1,h2,h3,h4{color:var(--c-ink);line-height:1.3;font-weight:800;}
ul,ol{padding-left:0;list-style:none;}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,transform .18s ease;}
a:hover{color:var(--c-brand-strong);}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:3px;
  border-radius:4px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){
  .container{max-width:1280px;}
}

/* ===== 按钮体系 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:10px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  padding:12px 22px;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.btn-brand:hover{background:var(--c-brand-strong);border-color:var(--c-brand-strong);color:#fff;transform:translateY(-1px);}
.btn-brand:active{transform:translateY(0);background:var(--c-brand-strong);}
.btn-ghost{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-ink);color:#fff;border-color:var(--c-ink);}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-accent:hover{background:#E8482B;border-color:#E8482B;color:#fff;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:none;padding:0;
  color:var(--c-brand);font-weight:600;font-size:15px;
  border-bottom:2px solid var(--c-brand);
  padding-bottom:2px;
  cursor:pointer;
}
.btn-text:hover{color:var(--c-brand-strong);border-bottom-color:var(--c-brand-strong);}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  text-decoration:none;
}
.brand-mark{
  width:26px;height:26px;
  border-radius:7px;
  background:var(--c-brand);
  position:relative;
  display:inline-block;
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:2px;
  background:#fff;
  opacity:.92;
}
.brand-name{
  font-size:19px;
  font-weight:800;
  color:var(--c-ink);
  letter-spacing:0;
  line-height:1;
}
.brand-tag{
  font-size:12px;
  font-weight:600;
  padding:4px 9px;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-brand-strong);
  line-height:1;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-links a{
  font-size:15px;
  font-weight:500;
  color:var(--c-ink);
  padding:9px 14px;
  border-radius:var(--r-pill);
  line-height:1.2;
}
.nav-links a:hover,
.nav-links a:focus-visible{
  background:var(--c-brand-soft);
  color:var(--c-brand-strong);
}
.nav-links a.active{
  background:var(--c-brand-soft);
  color:var(--c-brand-strong);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--c-ink);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:var(--c-ink);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-menu{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  padding:10px 20px 20px;
}
.mobile-menu.open{display:block;}
.mobile-menu a.m-link{
  display:flex;
  align-items:center;
  min-height:48px;
  font-size:16px;
  font-weight:500;
  color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-menu a.m-link:last-of-type{border-bottom:none;}
.mobile-menu .btn{width:100%;margin-top:14px;}

/* ===== 面包屑 ===== */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--c-ink-3);
  padding:16px 0;
}
.crumbs a{color:var(--c-brand);font-weight:500;}
.crumbs a:hover{color:var(--c-brand-strong);}
.crumbs .sep{color:#B9C6C0;}
.crumbs .current{color:var(--c-ink);}

/* ===== 文章头部 ===== */
.article-hero{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding-bottom:40px;
}
.article-hero-inner{
  max-width:860px;
  margin:0 auto;
}
.badge-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-brand-strong);
  margin-bottom:16px;
}
.article-hero h1{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.28;
  margin-bottom:18px;
  word-break:break-word;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--c-ink-3);
}
.article-meta .dot{
  width:4px;height:4px;
  border-radius:50%;
  background:#C3D0CA;
  display:inline-block;
}
.article-meta .meta-strong{color:var(--c-ink-2);font-weight:500;}

/* ===== 正文 ===== */
.article-wrap{
  padding:48px 0 72px;
}
.article-body-col{
  max-width:760px;
  margin:0 auto;
}
.article-content{
  font-size:17px;
  line-height:1.95;
  color:var(--c-ink-2);
  word-break:break-word;
}
.article-content > p:first-of-type{
  font-size:18px;
  color:var(--c-ink-2);
}
.article-content p{margin:0 0 1.15em;}
.article-content h2{
  font-size:clamp(21px,2.4vw,26px);
  color:var(--c-ink);
  line-height:1.35;
  margin:40px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--c-brand);
}
.article-content h3{
  font-size:19px;
  color:var(--c-ink);
  font-weight:700;
  line-height:1.5;
  margin:28px 0 12px;
}
.article-content h4{
  font-size:17px;
  color:var(--c-ink);
  font-weight:700;
  margin:22px 0 10px;
}
.article-content ul,
.article-content ol{
  padding-left:1.4em;
  margin:0 0 1.15em;
  list-style:disc;
}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:8px;}
.article-content li::marker{color:var(--c-brand);}
.article-content blockquote{
  background:var(--c-brand-soft);
  border-left:3px solid var(--c-brand);
  border-radius:var(--r-sm);
  padding:16px 20px;
  margin:24px 0;
  color:var(--c-ink);
  font-size:16.5px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  max-width:100%;
  height:auto;
  border-radius:10px;
  margin:24px auto;
}
.article-content figure{margin:24px 0;}
.article-content figcaption{
  font-size:13px;
  color:var(--c-ink-3);
  text-align:center;
  margin-top:8px;
}
.article-content a{
  color:var(--c-brand);
  border-bottom:2px solid var(--c-brand);
  padding-bottom:1px;
}
.article-content a:hover{
  color:var(--c-brand-strong);
  border-bottom-color:var(--c-brand-strong);
}
.article-content strong{color:var(--c-ink);font-weight:700;}
.article-content code{
  font-family:var(--mono);
  font-size:14.5px;
  background:var(--c-brand-soft);
  color:var(--c-brand-strong);
  padding:2px 6px;
  border-radius:4px;
}
.article-content table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  margin:24px 0;
  font-size:15.5px;
}
.article-content th,
.article-content td{
  border:1px solid var(--c-line);
  padding:10px 14px;
  text-align:left;
  vertical-align:top;
}
.article-content th{
  background:var(--c-brand-soft);
  color:var(--c-ink);
  font-weight:600;
  white-space:nowrap;
}
.article-content hr{
  border:none;
  border-top:1px solid var(--c-line);
  margin:32px 0;
}
.article-empty{
  text-align:center;
  border:2px dashed var(--c-line);
  border-radius:var(--r-md);
  padding:56px 24px;
  background:var(--c-surface);
}
.article-empty h2{
  border-left:none;
  padding-left:0;
  margin:0 0 12px;
  font-size:22px;
}
.article-empty p{
  color:var(--c-ink-3);
  font-size:16px;
  margin-bottom:20px;
}
.article-foot{
  max-width:760px;
  margin:40px auto 0;
  padding-top:24px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.article-foot .foot-note{
  font-size:14px;
  color:var(--c-ink-3);
}
.pager-grid{
  max-width:760px;
  margin:24px auto 0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.pager-card{
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:16px 18px;
  box-shadow:var(--sh-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.pager-card:hover{
  border-color:rgba(14,146,117,.35);
  box-shadow:var(--sh-2);
  transform:translateY(-3px);
  color:inherit;
}
.pager-card .p-label{
  font-size:12.5px;
  font-weight:600;
  color:var(--c-brand);
  display:block;
  margin-bottom:6px;
}
.pager-card .p-title{
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ===== 相关阅读 ===== */
.section{
  padding:72px 0;
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
}
.section-head p{
  font-size:15.5px;
  color:var(--c-ink-3);
  margin-top:8px;
}
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  color:inherit;
}
.rel-card:hover{
  border-color:rgba(14,146,117,.35);
  box-shadow:var(--sh-2);
  transform:translateY(-3px);
  color:inherit;
}
.rel-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--c-brand-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--c-brand);
}
.rel-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:20px 22px 22px;}
.tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-brand-strong);
  margin-bottom:10px;
}
.rel-body h3{
  font-size:18px;
  line-height:1.5;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-body p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--c-ink-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-alt{background:var(--c-bg);}

/* ===== FAQ ===== */
.faq-section{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.faq-list{
  max-width:880px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .18s ease;
}
.faq-item[open]{
  border-left:3px solid var(--c-brand);
  border-color:rgba(14,146,117,.3);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-family:var(--mono);
  font-size:22px;
  font-weight:600;
  color:var(--c-brand);
  line-height:1;
  flex-shrink:0;
}
.faq-item[open] summary{color:var(--c-brand-strong);}
.faq-item[open] summary::after{content:"–";}
.faq-answer{
  padding:0 22px 20px;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ===== CTA ===== */
.cta-band{
  padding:0 0 72px;
}
.cta-inner{
  background:var(--c-ink);
  border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(21px,2.4vw,27px);
  line-height:1.35;
  margin-bottom:8px;
}
.cta-inner p{
  color:#B7C4BE;
  font-size:15.5px;
  margin:0;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.cta-actions .btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.55);
}
.cta-actions .btn-ghost:hover{
  background:#fff;
  color:var(--c-ink);
  border-color:#fff;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-ink);
  color:#B7C4BE;
  padding:64px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{
  background:rgba(255,255,255,.1);
  color:#D9E6E0;
}
.footer-brand p{
  font-size:14.5px;
  line-height:1.85;
  color:#9FB0A9;
  margin-top:16px;
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col ul a{
  font-size:14.5px;
  color:#B7C4BE;
  transition:color .18s ease,transform .18s ease;
  display:inline-block;
}
.footer-col ul a:hover{
  color:#fff;
  transform:translateX(2px);
}
.footer-col p{
  font-size:14px;
  line-height:1.8;
  color:#9FB0A9;
  margin-bottom:12px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:22px;
  font-size:13.5px;
  color:#8FA29A;
}
.fb-links{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
}
.fb-links a{color:#B7C4BE;font-size:13.5px;}
.fb-links a:hover{color:#fff;}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .header-inner{height:64px;gap:16px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-accent{display:none;}
  .nav-links a{font-size:15px;}
  .section{padding:64px 0;}
  .article-wrap{padding:40px 0 56px;}
  .cta-inner{padding:36px 32px;}
  .rel-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .article-hero h1{font-size:clamp(24px,4.6vw,32px);}
}
@media (min-width:992px){
  .mobile-menu{display:none !important;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .header-inner{height:60px;}
  .brand-name{font-size:17px;}
  .brand-tag{font-size:11px;padding:3px 7px;}
  .article-hero{padding-bottom:32px;}
  .article-content{font-size:16.5px;line-height:1.9;}
  .article-content h2{margin-top:32px;}
  .pager-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-inner{padding:28px 22px;border-radius:18px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .site-footer{padding:48px 0 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .article-hero h1{font-size:23px;line-height:1.34;}
  .article-meta{font-size:13px;gap:8px;}
  .btn{padding:11px 18px;font-size:14.5px;}
  .article-content table{font-size:14.5px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --c-brand:#0E9275;
  --c-brand-strong:#0A6B56;
  --c-brand-soft:#E4F4EF;
  --c-accent:#FF5A3C;
  --c-accent-soft:#FFE7E1;
  --c-ink:#16201C;
  --c-ink-2:#46564F;
  --c-ink-3:#7A8B84;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-line:#E1E8E3;
  --c-highlight:#FFC53D;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,32,28,.05), 0 10px 24px -16px rgba(22,32,28,.22);
  --sh-2:0 18px 40px -24px rgba(14,146,117,.42);
  --font-base:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:0;}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-brand-strong);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--c-ink);letter-spacing:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 通用按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 22px;border:1.5px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-align:center;
}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:hover{background:var(--c-brand-strong);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:var(--c-brand-strong);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#E64A2E;color:#fff;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--c-ink);border:1.5px solid var(--c-ink);}
.btn-outline:hover{background:var(--c-ink);color:#fff;}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.72);}
.btn-outline-light:hover{background:#fff;color:var(--c-ink);border-color:#fff;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:15px;padding:2px 0;border-bottom:2px solid var(--c-brand);border-radius:0;}
.btn-text:hover{color:var(--c-brand-strong);border-bottom-color:var(--c-brand-strong);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto;}
.brand:hover{color:var(--c-ink);}
.brand-mark{width:26px;height:26px;border-radius:7px;background:var(--c-brand);position:relative;flex:0 0 26px;}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:var(--c-surface);}
.brand-name{font-size:19px;font-weight:700;line-height:1;letter-spacing:0;}
.brand-tag{background:var(--c-brand-soft);color:var(--c-brand-strong);font-size:12.5px;line-height:1;padding:5px 10px;border-radius:var(--r-pill);font-weight:500;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{padding:9px 15px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--c-ink);white-space:nowrap;transition:background-color .18s ease,color .18s ease;}
.nav-links a:hover{background:var(--c-brand-soft);color:var(--c-brand-strong);}
.nav-links a.active{background:var(--c-brand-soft);color:var(--c-brand-strong);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-actions .btn-accent{padding:11px 20px;font-size:15px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;position:relative;padding:0;}
.nav-toggle span{display:block;position:absolute;left:11px;width:20px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:26px;}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-surface);}
.nav-drawer.open{display:block;}
.nav-drawer ul{padding:10px 0 18px;}
.nav-drawer li a{display:flex;align-items:center;min-height:48px;padding:0 20px;font-size:16px;font-weight:500;color:var(--c-ink);}
.nav-drawer li a:hover,.nav-drawer li a.active{background:var(--c-brand-soft);color:var(--c-brand-strong);}
.nav-drawer .drawer-cta{padding:0 20px 20px;}
.nav-drawer .drawer-cta .btn-x{width:100%;}

/* ---------- 栏目头 ---------- */
.page-head{
  position:relative;
  color:#fff;
  padding:56px 0 48px;
  background-image:linear-gradient(95deg,rgba(22,32,28,.93) 0%,rgba(22,32,28,.78) 48%,rgba(22,32,28,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px;padding:0;}
.crumbs a{color:#B9E7DA;}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{color:rgba(255,255,255,.5);}
.crumbs span.now{color:#fff;font-weight:500;}
.page-head h1{
  color:#fff;
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.28;
  max-width:900px;
  margin-bottom:16px;
}
.page-head h1 .h1-brand{color:#8FE6D2;}
.page-head .head-lead{
  color:rgba(255,255,255,.88);
  font-size:16.5px;
  line-height:1.9;
  max-width:760px;
  margin:0 0 26px;
}
.filter-tags{display:flex;flex-wrap:wrap;gap:10px;}
.filter-tags .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:14px;line-height:1.2;font-weight:500;
  background:#fff;color:var(--c-ink-2);border:1px solid var(--c-line);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.filter-tags .tag:hover{background:var(--c-brand-soft);color:var(--c-brand-strong);border-color:rgba(14,146,117,.3);}
.filter-tags .tag.is-active{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.filter-tags .tag.is-active:hover{background:var(--c-brand-strong);color:#fff;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section.tight{padding-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;}
.section-head .sub{margin-top:10px;color:var(--c-ink-2);font-size:16px;max-width:660px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--c-brand-strong);background:var(--c-brand-soft);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px;}

/* ---------- 双列图文卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.gcard{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.gcard:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,146,117,.3);}
.gcard-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-soft);}
.gcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.gcard:hover .gcard-media img{transform:scale(1.03);}
.gcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.gcard-top{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-3);}
.badge-cat{display:inline-flex;align-items:center;background:var(--c-brand-soft);color:var(--c-brand-strong);border-radius:var(--r-pill);padding:4px 11px;font-size:12.5px;font-weight:600;line-height:1.4;}
.gcard h3{font-size:20px;line-height:1.5;}
.gcard h3 a{color:var(--c-ink);}
.gcard h3 a:hover{color:var(--c-brand-strong);}
.gcard p{color:var(--c-ink-2);font-size:15.5px;line-height:1.82;margin:0;}
.gcard-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--c-ink-3);}
.gcard-foot .more{color:var(--c-brand);font-weight:600;display:inline-flex;align-items:center;gap:5px;}
.gcard-foot .more:hover{color:var(--c-brand-strong);}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:18px;}
.step{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,146,117,.3);}
.step-num{
  width:44px;height:44px;border-radius:50%;
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:20px;margin-bottom:6px;}
.step p{color:var(--c-ink-2);font-size:15.5px;line-height:1.82;margin:0;}

/* ---------- 场景清单 ---------- */
.scene-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:8px 0;box-shadow:var(--sh-1);}
.scene-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;}
.scene-item{padding:26px 30px;border-left:3px solid var(--c-brand);margin:14px 24px;background:var(--c-bg);border-radius:0 var(--r-md) var(--r-md) 0;}
.scene-item:nth-child(2){border-left-color:var(--c-accent);}
.scene-item h3{font-size:19px;margin-bottom:8px;}
.scene-item p{color:var(--c-ink-2);font-size:15.5px;line-height:1.82;margin:0;}
.scene-item .tiny{display:inline-block;margin-top:12px;font-size:13px;color:var(--c-ink-3);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease;}
.faq-item:hover{border-color:rgba(14,146,117,.32);}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;cursor:pointer;
  transition:color .18s ease,background-color .18s ease;
}
.faq-btn:hover{color:var(--c-brand-strong);background:rgba(228,244,239,.4);}
.faq-btn[aria-expanded="true"]{color:var(--c-brand-strong);box-shadow:inset 3px 0 0 var(--c-brand);}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;color:currentColor;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:transform .2s ease;}
.faq-btn[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);}
.faq-body{padding:0 22px 20px;color:var(--c-ink-2);font-size:16px;line-height:1.88;}

/* ---------- CTA ---------- */
.cta-strip{padding:0 0 88px;}
.cta-box{
  background:var(--c-ink);border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-box h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-box p{color:#B7C4BE;font-size:16px;margin:10px 0 0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 底部分类跳转 ---------- */
.page-actions{padding:0 0 88px;}
.actions-box{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.actions-box h2{font-size:22px;}
.actions-box p{color:var(--c-ink-2);font-size:15.5px;margin:8px 0 0;}
.actions-btns{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#B7C4BE;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{background:rgba(255,255,255,.1);color:#8FE6D2;}
.footer-brand .brand-mark{background:var(--c-brand);}
.footer-brand .brand-mark::after{background:var(--c-ink);}
.footer-brand p{color:#B7C4BE;font-size:14.5px;line-height:1.85;margin-top:16px;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#B7C4BE;font-size:14.5px;display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{color:#93A39C;font-size:14px;line-height:1.85;margin-bottom:12px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#8B9A93;}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:#B7C4BE;}
.fb-links a:hover{color:#fff;}

/* ---------- 动画 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease;}
.fade-up.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .fade-up{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .cta-strip{padding-bottom:64px;}
  .page-actions{padding-bottom:64px;}
  .nav-links{display:none;}
  .nav-actions .btn-accent{display:none;}
  .nav-toggle{display:block;}
  .nav-inner{height:60px;}
  .page-head{padding:44px 0 40px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .scene-list{grid-template-columns:1fr;}
  .cta-box{padding:36px 32px;}
  .actions-box{padding:30px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .card-grid{grid-template-columns:1fr;}
  .gcard h3{font-size:19px;}
  .step{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:18px;}
  .step-num{width:38px;height:38px;font-size:15px;}
  .page-head .head-lead{font-size:16px;}
  .cta-box{padding:28px 22px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{flex:1 1 auto;}
  .actions-box{padding:24px 22px;gap:20px;}
  .actions-btns{width:100%;}
  .actions-btns .btn-x{flex:1 1 100%;}
  .scene-item{margin:12px 16px;padding:20px 20px;}
  .faq-btn{font-size:16px;padding:16px 18px;}
  .faq-body{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:48px;}
  .footer-brand p{max-width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .brand-tag{font-size:12px;padding:4px 9px;}
  .brand-name{font-size:18px;}
}
@media (max-width:400px){
  .filter-tags .tag{font-size:13px;padding:6px 12px;}
  .gcard-body{padding:16px 16px 18px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0E9275;
  --c-brand-strong:#0A6B56;
  --c-brand-soft:#E4F4EF;
  --c-accent:#FF5A3C;
  --c-accent-strong:#E0432A;
  --c-accent-soft:#FFE7E1;
  --c-ink:#16201C;
  --c-ink-2:#46564F;
  --c-ink-3:#7A8B84;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-line:#E1E8E3;
  --c-highlight:#FFC53D;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,32,28,.05), 0 10px 24px -16px rgba(22,32,28,.22);
  --sh-2:0 18px 40px -24px rgba(14,146,117,.42);
  --font-base:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-base);
  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-brand);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--c-brand-strong);}
a:focus-visible,button:focus-visible,.accordion-button:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:var(--r-sm);}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:var(--c-ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;text-decoration:none;}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--c-brand);position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:2px;background:#fff;opacity:.92;
}
.brand-name{font-size:20px;font-weight:700;color:var(--c-ink);letter-spacing:0;}
.brand-tag{
  font-size:12.5px;font-weight:600;color:var(--c-brand);
  background:var(--c-brand-soft);border-radius:var(--r-pill);
  padding:3px 10px;line-height:1.5;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  display:inline-flex;align-items:center;
  font-size:15px;font-weight:500;color:var(--c-ink);
  padding:8px 14px;border-radius:var(--r-pill);
  transition:background .16s ease,color .16s ease;
  white-space:nowrap;
}
.nav-links a:hover{background:var(--c-brand-soft);color:var(--c-brand-strong);}
.nav-links a.active{background:var(--c-brand-soft);color:var(--c-brand-strong);font-weight:600;}
.header-cta{margin-left:16px;flex:0 0 auto;}
.nav-burger{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--c-line);
  background:var(--c-surface);border-radius:var(--r-sm);
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .16s ease,background .16s ease;
}
.nav-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:.2s;}
.nav-burger:hover{border-color:var(--c-brand);background:var(--c-brand-soft);}
.mobile-nav{background:var(--c-surface);border-top:1px solid var(--c-line);}
.mobile-nav .mobile-inner{padding:12px 0 20px;}
.mobile-nav a.m-link{
  display:flex;align-items:center;min-height:48px;
  padding:0 14px;border-radius:var(--r-sm);
  font-size:16px;font-weight:500;color:var(--c-ink);
}
.mobile-nav a.m-link:hover,.mobile-nav a.m-link.active{background:var(--c-brand-soft);color:var(--c-brand-strong);}
.mobile-nav .m-cta{margin-top:12px;width:100%;}
@media (max-width:991.98px){
  .nav-links,.header-cta{display:none!important;}
  .nav-burger{display:flex;}
  .header-inner{height:60px;gap:12px;}
  .brand-name{font-size:18px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 22px;border-radius:10px;border:1.5px solid transparent;
  cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-align:center;
}
.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-strong);color:#fff;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-outline{background:var(--c-surface);border-color:var(--c-ink);color:var(--c-ink);}
.btn-outline:hover{background:var(--c-ink);color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-brand);
  background:none;border:0;padding:0;cursor:pointer;
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;
}
.btn-text:hover{color:var(--c-brand-strong);}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;padding:18px 0 16px;color:var(--c-ink-3);}
.crumb a{color:var(--c-brand);font-weight:500;}
.crumb a:hover{color:var(--c-brand-strong);}
.crumb .sep{color:var(--c-ink-3);}
.crumb .cur{color:var(--c-ink);font-weight:500;}

/* ============ 栏目头 ============ */
.page-head{
  background:linear-gradient(180deg,var(--c-brand-soft) 0%,rgba(228,244,239,.35) 62%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding-bottom:44px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--c-brand-strong);background:var(--c-surface);
  border:1px solid rgba(14,146,117,.24);
  border-radius:var(--r-pill);padding:5px 12px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-brand);}
.page-head h1{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.28;margin-bottom:16px;
}
.page-head h1 .hb{color:var(--c-brand);}
.page-lead{font-size:16.5px;line-height:1.9;color:var(--c-ink-2);max-width:640px;}
.filter-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-pill{
  display:inline-flex;align-items:center;
  font-size:13.5px;font-weight:500;
  padding:7px 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink-2);
  transition:.16s ease;
}
.tag-pill:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);}
.tag-pill.is-on{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600;}
.tag-pill.is-on:hover{background:var(--c-brand-strong);color:#fff;}
.head-figure{
  margin:0;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:16/10;background:var(--c-brand-soft);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.head-figure img{width:100%;height:100%;object-fit:cover;}

/* ============ 主体布局 ============ */
.main-wrap{padding:56px 0 0;}
@media (max-width:991.98px){.main-wrap{padding-top:40px;}}
.section-block{margin-bottom:52px;}
.section-block:last-child{margin-bottom:0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{font-size:clamp(22px,2.6vw,28px);}
.section-head .sh-desc{font-size:15px;color:var(--c-ink-3);margin-top:6px;}
.sec-title-line{display:flex;align-items:center;gap:12px;}
.sec-title-line::before{content:"";width:4px;height:22px;border-radius:3px;background:var(--c-brand);flex:0 0 auto;}

/* ============ 奖励横向卡 ============ */
.reward-card{
  display:grid;grid-template-columns:190px 1fr;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  margin-bottom:20px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,146,117,.35);}
.reward-card .thumb{background:var(--c-brand-soft);overflow:hidden;position:relative;}
.reward-card .thumb img{
  width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;
  transition:transform .32s ease;
}
.reward-card:hover .thumb img{transform:scale(1.04);}
.reward-card .body{padding:20px 22px;display:flex;flex-direction:column;gap:10px;min-width:0;}
.reward-card h3{font-size:20px;line-height:1.5;}
.reward-card p{font-size:15.5px;line-height:1.85;color:var(--c-ink-2);}
.reward-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:auto;padding-top:8px;font-size:14px;color:var(--c-ink-3);
}
.badge-soft{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand-strong);
}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent-strong);}
.reward-meta .go{margin-left:auto;font-weight:600;color:var(--c-brand);font-size:14.5px;}
.reward-meta .go:hover{color:var(--c-brand-strong);}
@media (max-width:767.98px){
  .reward-card{grid-template-columns:1fr;}
  .reward-card .thumb img{aspect-ratio:16/10;}
  .reward-card .body{padding:18px;}
}

/* ============ 阶段推进 ============ */
.flow-list{padding-top:4px;}
.step-item{display:flex;gap:16px;position:relative;padding-bottom:24px;}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";position:absolute;left:21px;top:50px;bottom:2px;
  border-left:1px dashed var(--c-line);
}
.step-item:last-child::before{display:none;}
.step-num{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.step-card{
  flex:1 1 auto;min-width:0;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--sh-1);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.step-card:hover{border-color:rgba(14,146,117,.35);box-shadow:var(--sh-2);}
.step-card h3{font-size:17px;margin-bottom:6px;line-height:1.5;}
.step-card p{font-size:15.5px;color:var(--c-ink-2);line-height:1.85;}

/* ============ 核对清单 ============ */
.check-panel{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);
  border-left:3px solid var(--c-brand);
}
.check-list{display:grid;gap:12px;margin-top:16px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:16px;line-height:1.85;color:var(--c-ink-2);
}
.check-list li::before{
  content:"✓";flex:0 0 22px;width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  border-radius:50%;font-size:13px;font-weight:700;margin-top:4px;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:100%;}
.accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line)!important;
  border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--c-brand)!important;}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--c-ink);
  background:var(--c-surface);padding:18px 20px;line-height:1.5;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--c-brand-strong);background:var(--c-surface);}
.accordion-button::after{
  content:"";width:16px;height:16px;flex:0 0 16px;margin-left:auto;
  background-image:linear-gradient(var(--c-brand),var(--c-brand)),linear-gradient(var(--c-brand),var(--c-brand));
  background-size:14px 2px,2px 14px;
  background-position:center,center;
  background-repeat:no-repeat;
  border-radius:2px;
  transition:background-size .2s ease;
}
.accordion-button:not(.collapsed)::after{background-size:14px 2px,0 14px;}
.accordion-body{
  padding:0 20px 20px;font-size:16px;line-height:1.85;color:var(--c-ink-2);
}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);
  margin-bottom:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-brand);}
.side-links{display:grid;gap:4px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--c-ink-2);
  transition:background .16s ease,color .16s ease,padding-left .16s ease;
}
.side-links a:hover{background:var(--c-brand-soft);color:var(--c-brand-strong);padding-left:16px;}
.side-links a .arw{color:var(--c-ink-3);font-size:13px;}
.side-links a.is-current{background:var(--c-brand-soft);color:var(--c-brand-strong);font-weight:600;}
.tip-panel{
  background:var(--c-brand-soft);border-radius:var(--r-md);
  border-left:3px solid var(--c-brand);padding:18px 20px;
}
.tip-panel h4{font-size:15px;color:var(--c-brand-strong);margin-bottom:8px;}
.tip-panel p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);}
.side-stat{
  display:flex;align-items:center;gap:12px;padding:12px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);margin-bottom:10px;
}
.side-stat:last-child{margin-bottom:0;}
.side-stat .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:20px;font-weight:700;color:var(--c-brand);
  min-width:44px;
}
.side-stat .txt{font-size:14px;color:var(--c-ink-2);line-height:1.6;}

/* ============ 底部双按钮 ============ */
.tail-cta{
  margin:64px 0 0;padding:36px 32px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.tail-cta h2{font-size:clamp(20px,2.4vw,24px);margin-bottom:6px;}
.tail-cta p{font-size:15.5px;color:var(--c-ink-2);}
.tail-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#B7C4BE;margin-top:80px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{background:rgba(228,244,239,.14);color:#B9E7DC;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#B7C4BE;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#EAF2EF;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  font-size:14.5px;color:#B7C4BE;display:inline-block;
  transition:color .16s ease,transform .16s ease;
}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:14.5px;line-height:1.85;color:#B7C4BE;margin-bottom:10px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:13.5px;color:#93A39C;
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:#93A39C;font-size:13.5px;}
.fb-links a:hover{color:#fff;}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:48px;margin-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{scroll-behavior:auto!important;}
  .btn:hover,.reward-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --c-brand:#0E9275;
  --c-brand-strong:#0A6B56;
  --c-brand-soft:#E4F4EF;
  --c-accent:#FF5A3C;
  --c-accent-soft:#FFE7E1;
  --c-ink:#16201C;
  --c-ink-2:#46564F;
  --c-ink-3:#7A8B84;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-line:#E1E8E3;
  --c-highlight:#FFC53D;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,32,28,.05),0 10px 24px -16px rgba(22,32,28,.22);
  --sh-2:0 18px 40px -24px rgba(14,146,117,.42);
  --font-base:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"PingFang SC","Microsoft YaHei",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-base);
  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-brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;}
a:hover{color:var(--c-brand-strong);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3;font-weight:700;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:4px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1280px;}}
.section{padding:88px 0;}
@media (min-width:992px){.section{padding:96px 0;}}
@media (max-width:991.98px){.section{padding:64px 0;}}
@media (max-width:767.98px){.section{padding:48px 0;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border-radius:7px;
  background:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-strong) 100%);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 7px auto auto;
  width:9px;height:9px;background:var(--c-highlight);border-radius:2px;
}
.brand-name{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:.01em;}
.brand-tag{
  font-size:12.5px;line-height:1;padding:5px 10px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand-strong);font-weight:600;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-links a{
  display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-ink);
  transition:background-color .18s ease,color .18s ease;
}
.nav-links a:hover{background:var(--c-brand-soft);color:var(--c-brand-strong);}
.nav-links a.active{background:var(--c-brand-soft);color:var(--c-brand-strong);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 20px;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-align:center;
}
.btn:active{transform:translateY(1px);}
.btn-brand{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.btn-brand:hover{background:var(--c-brand-strong);border-color:var(--c-brand-strong);color:#fff;}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-accent:hover{background:#E8452A;border-color:#E8452A;color:#fff;transform:translateY(-1px);}
.btn-ink{background:#fff;color:var(--c-ink);border:1.5px solid var(--c-ink);}
.btn-ink:hover{background:var(--c-ink);color:#fff;}
.btn-onink{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-onink:hover{background:#fff;color:var(--c-ink);border-color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-brand);
  border-bottom:2px solid var(--c-brand);padding:2px 0;border-radius:0;
}
.btn-text:hover{color:var(--c-brand-strong);border-bottom-color:var(--c-brand-strong);}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ============ 移动端菜单 ============ */
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;
}
.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;}
.mobile-nav{border-top:1px solid var(--c-line);background:#fff;}
.mobile-nav .mn-inner{padding:12px 20px 20px;}
.mobile-nav a{
  display:flex;align-items:center;min-height:48px;
  padding:0 12px;border-radius:10px;font-size:16px;font-weight:500;color:var(--c-ink);
}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--c-brand-soft);color:var(--c-brand-strong);}
.mobile-nav .btn{width:100%;margin-top:12px;min-height:48px;}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{min-height:60px;}
}

/* ============ 栏目头 ============ */
.page-head{
  background:linear-gradient(180deg,#F0F4F0 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:32px 0 56px;
}
.crumbs{font-size:13px;color:var(--c-ink-3);padding:4px 0 18px;}
.crumbs a{color:var(--c-brand);}
.crumbs .sep{margin:0 8px;color:var(--c-ink-3);}
.crumbs .current{color:var(--c-ink);}
.pill{
  display:inline-block;font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  margin-bottom:16px;
}
.page-head h1{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.28;
  margin-bottom:16px;
}
.page-head .lead{
  font-size:16.5px;color:var(--c-ink-2);line-height:1.9;max-width:640px;
}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.filter{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;
  background:#fff;color:var(--c-ink-2);border:1px solid var(--c-line);
}
.filter:hover{border-color:var(--c-brand);color:var(--c-brand-strong);}
.filter.is-on{background:var(--c-brand);color:#fff;border-color:var(--c-brand);font-weight:600;}
.head-figure{
  margin:0;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-brand-soft);
  aspect-ratio:16/10;box-shadow:var(--sh-1);
}
.head-figure img{width:100%;height:100%;object-fit:cover;}

/* ============ 区块标题 ============ */
.sec-head{margin-bottom:36px;max-width:760px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.sec-head p{font-size:16px;color:var(--c-ink-2);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ============ 时间轴列表 ============ */
.timeline{position:relative;padding-left:0;max-width:940px;}
.timeline::before{
  content:"";position:absolute;left:25px;top:14px;bottom:14px;width:2px;
  background-image:repeating-linear-gradient(to bottom,var(--c-line) 0 7px,transparent 7px 14px);
}
.tl-item{position:relative;display:flex;gap:22px;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:relative;z-index:1;flex:0 0 auto;
  width:52px;height:52px;border-radius:50%;
  background:var(--c-brand-soft);color:var(--c-brand-strong);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:15px;font-weight:700;
  border:3px solid var(--c-bg);
}
.tl-body{
  flex:1 1 auto;min-width:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.tl-body:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(14,146,117,.3);}
.tl-body h3{font-size:20px;line-height:1.5;margin-bottom:8px;}
.tl-body p{font-size:16px;color:var(--c-ink-2);margin-bottom:14px;}
.tl-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 11px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand-strong);
}
.tag-ghost{background:#F1F4F2;color:var(--c-ink-3);font-weight:500;}
.tl-link{margin-left:auto;font-size:14px;font-weight:600;color:var(--c-brand);}
.tl-link:hover{color:var(--c-brand-strong);}
@media (max-width:575.98px){
  .timeline::before{left:19px;}
  .tl-dot{width:40px;height:40px;font-size:13px;border-width:2px;}
  .tl-item{gap:14px;}
  .tl-body{padding:18px;}
  .tl-link{margin-left:0;}
}

/* ============ 三步自检（浅主色通栏） ============ */
.check-band{background:var(--c-brand-soft);}
.check-track{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.check-item{
  background:var(--c-surface);border:1px solid rgba(14,146,117,.16);
  border-radius:var(--r-md);padding:24px;position:relative;
  border-left:3px solid var(--c-brand);
}
.check-item .num{
  font-family:var(--font-num);font-size:13px;font-weight:700;
  color:var(--c-brand-strong);letter-spacing:.06em;
  display:inline-block;margin-bottom:10px;
}
.check-item h3{font-size:18px;margin-bottom:8px;}
.check-item p{font-size:15px;color:var(--c-ink-2);line-height:1.85;}
@media (max-width:991.98px){.check-track{grid-template-columns:1fr;}}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:34px 30px;box-shadow:var(--sh-1);
}
.stat{position:relative;padding-left:18px;}
.stat::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--c-brand);border-radius:3px;
}
.stat .n{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--c-brand-strong);line-height:1.2;}
.stat .t{font-size:14.5px;color:var(--c-ink-2);margin-top:6px;}
@media (max-width:991.98px){.stats{grid-template-columns:repeat(2,1fr);gap:24px;padding:28px 22px;}}
@media (max-width:575.98px){.stats{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{--bs-accordion-border-width:0;--bs-accordion-bg:transparent;}
.accordion-item{
  border:1px solid var(--c-line)!important;border-radius:var(--r-md)!important;
  background:var(--c-surface);margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--c-brand)!important;
  box-shadow:var(--sh-1);
}
.accordion-button{
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);
  background:var(--c-surface);box-shadow:none!important;line-height:1.5;
  border-radius:var(--r-md)!important;
}
.accordion-button:not(.collapsed){color:var(--c-brand-strong);background:var(--c-surface);}
.accordion-button:focus{outline:2px solid var(--c-accent);outline-offset:-2px;box-shadow:none!important;}
.accordion-button::after{
  width:22px;height:22px;background-size:22px 22px;flex:0 0 auto;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E9275' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A6B56' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
}
.accordion-body{
  padding:0 20px 20px;font-size:16px;line-height:1.85;color:var(--c-ink-2);
}

/* ============ CTA 深墨条 ============ */
.cta-band{
  background:var(--c-ink);border-radius:var(--r-lg);
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.cta-band p{color:#B7C4BE;font-size:16px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:767.98px){
  .cta-band{padding:30px 24px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}

/* ============ 底部双按钮 ============ */
.end-actions{
  margin-top:56px;padding-top:36px;border-top:1px solid var(--c-line);
  display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:center;
}
@media (max-width:575.98px){.end-actions .btn{flex:1 1 100%;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#B7C4BE;padding:64px 0 28px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{background:rgba(255,255,255,.1);color:#D7E6E0;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#B7C4BE;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:#B7C4BE;display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:14.5px;color:#B7C4BE;line-height:1.85;margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#8FA39B;
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:#8FA39B;font-size:13.5px;}
.fb-links a:hover{color:#fff;}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{flex-direction:column;}
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}