/* roulang page: index */
:root{
  --c-ink:#2A1D4F;
  --c-ink-2:#3E2C6E;
  --c-ink-3:#56418C;
  --c-action:#FF6A3D;
  --c-action-h:#E8552A;
  --c-action-a:#CC471F;
  --c-lime:#C8F04A;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-alt:#F0EDE5;
  --c-text:#1C1A24;
  --c-text-2:#5A5566;
  --c-text-3:#8A8595;
  --c-line:#E6E1D8;
  --c-ok:#2FA36B;
  --c-warn:#D9822B;
  --c-err:#D64545;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,26,36,.05),0 12px 32px -14px rgba(42,29,79,.18);
  --sh-2:0 18px 42px -16px rgba(42,29,79,.28);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out}
a:hover{color:var(--c-action)}
h1,h2,h3,h4{font-family:inherit;color:var(--c-text);font-weight:700;line-height:1.3;margin:0}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.22;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
h3{font-size:18px;font-weight:600;line-height:1.45}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-alt{background:var(--c-alt)}
.section-ink{background:var(--c-ink);color:#EFEDF6}
@media (max-width:1023px){.section{padding:72px 0}.container{padding:0 24px}}
@media (max-width:639px){.section{padding:56px 0}.container{padding:0 20px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.92);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 8px 26px -20px rgba(42,29,79,.55)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;flex-direction:column;flex:0 0 auto;line-height:1.1}
.brand-mark{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--c-text-3);margin-top:4px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);font-size:14.5px;color:var(--c-text-2);white-space:nowrap;
}
.nav-link:hover{background:var(--c-alt);color:var(--c-ink)}
.nav-link.is-active{background:var(--c-lime);color:var(--c-ink);font-weight:600}
.nav-link.is-active:hover{background:var(--c-lime);color:var(--c-ink)}
.nav-actions{display:flex;align-items:center;margin-left:12px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  border:1px solid var(--c-line);border-radius:12px;background:#fff;cursor:pointer;
}
.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}
.nav-toggle:hover{border-color:var(--c-ink-3)}
@media (max-width:1023px){
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:inline-flex}
}

/* 移动抽屉 */
.off-canvas.off-canvas-mobile{
  background:var(--c-ink);color:#EDEAF6;width:300px;max-width:88vw;
  border-left:1px solid rgba(255,255,255,.12);
}
.mobile-nav-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px;border-bottom:1px solid rgba(255,255,255,.12);
}
.mobile-nav-brand{font-size:16px;font-weight:800;color:#fff}
.mobile-nav-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.08em;color:#A79FC4;margin-top:4px;font-weight:500}
.mobile-nav-close{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;
}
.mobile-nav-close:hover{background:rgba(255,255,255,.1)}
.mobile-nav-list{padding:14px 12px}
.mobile-nav-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 12px;border-radius:12px;
  color:#EFEDF6;font-size:15.5px;
}
.mobile-nav-list a:hover{background:rgba(255,255,255,.08);color:#fff}
.mobile-nav-list a.is-active{background:var(--c-lime);color:var(--c-ink);font-weight:600}
.mobile-nav-foot{padding:16px 22px 26px}
.mobile-nav-foot .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--c-action);color:#fff}
.btn-primary:hover{background:var(--c-action-h);color:#fff;transform:translateY(-1px)}
.btn-primary:active{background:var(--c-action-a);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink);color:#fff}
.btn-ghost:active{background:var(--c-ink-2);border-color:var(--c-ink-2)}
.btn-dark{background:var(--c-ink);color:#fff}
.btn-dark:hover{background:var(--c-ink-2);color:#fff;transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-lime);color:var(--c-ink);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--c-lime);color:var(--c-ink);font-size:11.5px;font-weight:600;letter-spacing:.04em;
}
.badge-soft{background:var(--c-alt);color:var(--c-ink-2)}
.badge-line{background:transparent;border:1px solid var(--c-lime);color:var(--c-ink-2)}

/* ---------- 首屏 ---------- */
.hero{position:relative;padding:76px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(180deg,rgba(247,245,240,.94),rgba(247,245,240,.99)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.hero .container{position:relative;z-index:1}
.hero-grid{align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.06em;color:var(--c-ink-2);background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:22px;
}
.hero-eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--c-lime);display:block}
.hero h1{margin-bottom:20px;max-width:12em}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:34em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px 20px}
.hero-badges li{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-text-2)}
.hero-badges li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-lime);box-shadow:0 0 0 3px rgba(200,240,74,.28)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:4/3;background:var(--c-alt)}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease-out}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(42,29,79,.08)}
.hero-media:hover img{transform:scale(1.03)}
@media (max-width:1023px){
  .hero{padding:52px 0 64px}
  .hero-media{margin-top:36px}
  .hero h1{max-width:none}
}

/* ---------- 状态条 ---------- */
.status-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:10px 20px;box-shadow:var(--sh-1);font-size:13px;color:var(--c-text-2);
}
.status-bar .dot{width:9px;height:9px;border-radius:50%;background:var(--c-lime);animation:pulse 2.4s ease-out infinite;flex:0 0 auto}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(200,240,74,.6)}70%{box-shadow:0 0 0 10px rgba(200,240,74,0)}100%{box-shadow:0 0 0 0 rgba(200,240,74,0)}}
.status-bar .sep{width:1px;height:14px;background:var(--c-line)}
@media (max-width:639px){.status-bar .sep{display:none}}

/* ---------- 区块标题 ---------- */
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{margin:18px 0 14px}
.section-desc{color:var(--c-text-2);font-size:16px;margin:0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
@media (max-width:639px){.section-head{margin-bottom:32px}}

/* ---------- 品牌主张 ---------- */
.statement{max-width:700px;margin:0 auto;text-align:center}
.statement h2{margin:20px 0 22px}
.statement .lead{font-size:17.5px;color:var(--c-text-2);line-height:1.9}
.statement hr{border:0;border-top:1px solid var(--c-line);margin:36px auto 0;max-width:220px}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-media{background:var(--c-alt);overflow:hidden;aspect-ratio:3/2}
.card-media.ratio-16-9{aspect-ratio:16/9}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body .card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-text-3)}
.card-title{font-size:18px;font-weight:600;line-height:1.45;margin:0}
.card-title a{color:var(--c-text)}
.card-title a:hover{color:var(--c-action)}
.card-text{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.8}
.card-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--c-ink);display:inline-flex;align-items:center;gap:6px;padding-top:6px}
.card-link::after{content:"→";transition:transform .2s ease-out}
.card-link:hover{color:var(--c-action)}
.card-link:hover::after{transform:translateX(3px)}

.card-dark{background:var(--c-ink);border-color:var(--c-ink-2);color:#E9E6F3;box-shadow:none}
.card-dark .card-title,.card-dark .card-title a{color:#fff}
.card-dark .card-title a:hover{color:var(--c-lime)}
.card-dark .card-text{color:#BDB6D4}
.card-dark .card-link{color:var(--c-lime)}
.card-dark .card-link:hover{color:#fff}
.card-dark:hover{box-shadow:0 18px 42px -18px rgba(42,29,79,.5)}

/* ---------- 要点区 ---------- */
.point-grid .cell{margin-bottom:24px}
.point-card{
  height:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.point-icon{
  width:44px;height:44px;border-radius:14px;background:var(--c-lime);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink);
}
.point-card h3{font-size:18px;font-weight:600}
.point-card p{font-size:14.5px;color:var(--c-text-2);margin:0}
.featured-point{background:var(--c-ink);border-color:var(--c-ink);color:#E9E6F3}
.featured-point h3{color:#fff}
.featured-point p{color:#BDB6D4}
.featured-point .point-icon{background:var(--c-lime)}
.featured-point:hover{box-shadow:0 18px 42px -18px rgba(42,29,79,.5)}

/* ---------- 图文交错 ---------- */
.story-row{align-items:center;margin-bottom:72px}
.story-row:last-child{margin-bottom:0}
.story-media{border-radius:var(--r-card);overflow:hidden;background:var(--c-alt);aspect-ratio:4/3;border:1px solid var(--c-line)}
.story-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease-out}
.story-media:hover img{transform:scale(1.03)}
.story-copy h3{font-size:22px;font-weight:700;margin-bottom:16px;position:relative;padding-left:16px}
.story-copy h3::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-lime)}
.story-copy p{color:var(--c-text-2);font-size:16px;max-width:36em}
@media (max-width:1023px){
  .story-row{margin-bottom:48px}
  .story-row .story-copy{margin-top:28px}
  .story-row.reverse .story-media{order:2}
  .story-row.reverse .story-copy{order:1}
}

/* ---------- 分类导航 ---------- */
.cat-grid .cell{margin-bottom:24px}
.cat-card{
  height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-ink-3)}
.cat-card .card-media{aspect-ratio:3/2}
.cat-card .cat-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.cat-card h3{font-size:17.5px}
.cat-card p{font-size:14px;color:var(--c-text-2);margin:0}
.cat-card .cat-more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--c-ink);display:inline-flex;align-items:center;gap:6px}
.cat-card .cat-more::after{content:"→";transition:transform .2s ease-out}
.cat-card:hover .cat-more{color:var(--c-action)}
.cat-card:hover .cat-more::after{transform:translateX(3px)}

/* ---------- 精选内容 ---------- */
.featured-grid{align-items:stretch}
.featured-grid .cell{margin-bottom:24px}
.mini-grid .cell{margin-bottom:24px}

/* ---------- 最新信息列表 ---------- */
.post-list{display:flex;flex-direction:column;gap:14px}
.post-item{
  display:grid;grid-template-columns:88px minmax(0,1fr) auto;align-items:center;gap:24px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--sh-1);
  transition:background-color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.post-item:hover{background:var(--c-alt);border-color:var(--c-ink-3);transform:translateX(3px)}
.post-date{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  border:1px solid var(--c-line);border-radius:12px;padding:8px 6px;background:#fff;
  transition:border-color .2s ease-out,background-color .2s ease-out;
}
.post-item:hover .post-date{border-color:var(--c-ink);background:var(--c-lime)}
.post-day{font-size:22px;font-weight:800;line-height:1.1;color:var(--c-ink)}
.post-month{font-size:11px;letter-spacing:.06em;color:var(--c-text-3)}
.post-item:hover .post-month{color:var(--c-ink-2)}
.post-main{min-width:0}
.post-main h3{font-size:17px;font-weight:600;margin-bottom:6px;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-item:hover .post-main h3{color:var(--c-action)}
.post-main p{font-size:14px;color:var(--c-text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.post-arrow{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink);font-size:15px;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.post-item:hover .post-arrow{background:var(--c-action);border-color:var(--c-action);color:#fff}
@media (max-width:767px){
  .post-item{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:18px}
  .post-side{grid-column:2;flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .post-day{font-size:19px}
}
.empty-state{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:44px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state p{margin:0;font-size:15px;color:var(--c-text-2)}

/* ---------- 信任背书 ---------- */
.stat-row .cell{margin-bottom:24px}
.stat-block{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.stat-block:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-num{font-size:clamp(34px,4vw,48px);font-weight:800;line-height:1.05;color:var(--c-action);letter-spacing:-.02em}
.stat-num em{font-style:normal;font-size:.5em;font-weight:700;color:var(--c-ink-2);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--c-text-2);margin-top:10px}
.badge-wall{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px}
.wall-item{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-text-3);
  font-size:13px;font-weight:600;filter:grayscale(1);opacity:.78;
  transition:filter .22s ease-out,opacity .22s ease-out,color .22s ease-out,border-color .22s ease-out;
}
.wall-item::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-text-3);transition:background-color .22s ease-out}
.wall-item:hover{filter:grayscale(0);opacity:1;color:var(--c-ink);border-color:var(--c-ink-3)}
.wall-item:hover::before{background:var(--c-lime)}

/* ---------- FAQ ---------- */
.faq-grid .cell{margin-bottom:16px}
.accordion{border:0;background:transparent}
.accordion.accordion-custom .accordion-item{
  border:1px solid var(--c-line);border-left:3px solid var(--c-lime);
  border-radius:12px;background:#fff;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.accordion.accordion-custom .accordion-item:hover{box-shadow:var(--sh-2);border-color:var(--c-ink-3);border-left-color:var(--c-lime)}
.accordion.accordion-custom .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--c-text);
  border:0;background:transparent;line-height:1.55;
}
.accordion.accordion-custom .accordion-title:hover{background:var(--c-alt);color:var(--c-ink)}
.accordion.accordion-custom .accordion-title::before{
  content:"+";font-size:20px;font-weight:600;color:var(--c-ink-3);margin:0 0 0 auto;order:2;
  background:none;position:static;width:auto;height:auto;line-height:1;transition:color .2s ease-out;
}
.accordion.accordion-custom .accordion-item.is-active .accordion-title{color:var(--c-ink);font-weight:700}
.accordion.accordion-custom .accordion-item.is-active .accordion-title::before{content:"−";color:var(--c-action)}
.accordion.accordion-custom .accordion-content{
  padding:0 22px 20px;border:0;background:transparent;color:var(--c-text-2);
  font-size:15px;line-height:1.85;
}
.accordion.accordion-custom .accordion-content p{margin:0}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-ink);color:#E9E6F3;padding:72px 0}
.cta-band .cta-row{align-items:center}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:#BDB6D4;font-size:15.5px;margin:0}
.sub-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.sub-form input[type="text"],.sub-form input[type="search"]{
  flex:1 1 240px;min-height:48px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;transition:border-color .2s ease-out,background-color .2s ease-out;
}
.sub-form input::placeholder{color:#9A93B5}
.sub-form input:hover{border-color:rgba(255,255,255,.4)}
.sub-form input:focus{outline:none;border-color:var(--c-lime);background:rgba(255,255,255,.1);box-shadow:0 0 0 2px rgba(200,240,74,.35)}
.sub-form .btn{flex:0 0 auto}
.sub-tip{font-size:13.5px;margin-top:12px;min-height:20px;color:#BDB6D4}
.sub-tip-ok{color:var(--c-lime)}
.sub-tip-warn{color:#F0A37C}
@media (max-width:1023px){
  .cta-band{padding:56px 0}
  .cta-band .cta-row > .cell + .cell{margin-top:28px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C9C4D8;padding:72px 0 0;font-size:14px}
.footer-grid .cell{margin-bottom:32px}
.footer-brand{font-size:18px;font-weight:800;color:#fff;line-height:1.2}
.footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.08em;color:#A79FC4;margin-top:6px;font-weight:500}
.footer-desc{color:#A79FC4;font-size:13.5px;margin-top:14px;max-width:22em}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{color:#C9C4D8;font-size:14px;position:relative;display:inline-block}
.footer-list a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;background:var(--c-lime);
  transition:right .22s ease-out;
}
.footer-list a:hover{color:#fff}
.footer-list a:hover::after{right:0}
.footer-note{color:#A79FC4;font-size:13.5px;line-height:1.85}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#A79FC4;
}
.to-top{color:#C9C4D8;display:inline-flex;align-items:center;gap:6px}
.to-top:hover{color:#fff}
@media (max-width:639px){
  .site-footer{padding-top:52px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* Foundation 覆盖 */
.button,.button.primary,.button.secondary{background:var(--c-action);color:#fff;border-radius:var(--r-pill)}
a{color:var(--c-ink)}
a:hover{color:var(--c-action)}
.callout{border:0;border-radius:var(--r-card)}

/* roulang page: article */
:root{
  --c-ink:#2A1D4F;
  --c-ink-2:#3E2C6E;
  --c-ink-3:#56418C;
  --c-action:#FF6A3D;
  --c-action-hover:#E8552A;
  --c-action-active:#CC471F;
  --c-lime:#C8F04A;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-alt:#F0EDE5;
  --c-text:#1C1A24;
  --c-text-2:#5A5566;
  --c-text-3:#8A8595;
  --c-line:#E6E1D8;
  --c-line-dark:rgba(255,255,255,.12);
  --ok:#2FA36B;
  --warn:#D9822B;
  --err:#D64545;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,26,36,.05), 0 12px 32px -14px rgba(42,29,79,.18);
  --sh-2:0 18px 42px -16px rgba(42,29,79,.28);
  --ease:cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.02em;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--c-action);color:#fff;box-shadow:0 10px 24px -14px rgba(255,106,61,.9)}
.btn-primary:hover{background:var(--c-action-hover);transform:translateY(-1px);color:#fff}
.btn-primary:active{background:var(--c-action-active);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink);color:#fff}
.btn-line{background:transparent;color:var(--c-ink);border-color:var(--c-line)}
.btn-line:hover{border-color:var(--c-ink-3);background:#fff;color:var(--c-ink-2)}
.btn-lime{background:var(--c-lime);color:var(--c-ink)}
.btn-lime:hover{background:#b6e02f;color:var(--c-ink)}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.92);
  backdrop-filter:saturate(150%) blur(10px);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--c-line);box-shadow:0 8px 26px -20px rgba(42,29,79,.65)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.15;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:0}
.brand-main em{font-style:normal}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--c-text-3);font-weight:600;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);font-size:14.5px;font-weight:500;color:var(--c-text-2);
  border-bottom:3px solid transparent;transition:all .2s var(--ease);
}
.nav-link:hover{background:var(--c-alt);color:var(--c-ink)}
.nav-link.is-active{background:var(--c-lime);color:var(--c-ink);font-weight:700;border-bottom-color:transparent}
.nav-cta{
  margin-left:14px;display:inline-flex;align-items:center;height:42px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--c-action);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 10px 22px -14px rgba(255,106,61,.95);
}
.nav-cta:hover{background:var(--c-action-hover);color:#fff;transform:translateY(-1px)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;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:20px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,26,36,.5);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;z-index:90;
  background:var(--c-ink);color:#fff;padding:24px 24px 32px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-brand{font-size:18px;font-weight:800;letter-spacing:0}
.drawer-brand em{font-style:normal;font-size:11px;display:block;color:rgba(255,255,255,.6);letter-spacing:.08em;margin-top:4px;font-weight:600}
.drawer-close{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line-dark);
  background:transparent;color:#fff;font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-nav a{
  padding:14px 12px;border-radius:12px;color:#fff;font-size:16px;font-weight:600;
  border-bottom:1px solid var(--c-line-dark);
}
.drawer-nav a:hover{background:rgba(255,255,255,.08);color:var(--c-lime)}
.drawer-cta{margin-top:auto}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:26px 0 0;font-size:13px;color:var(--c-text-3)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;line-height:1.6}
.crumb a{color:var(--c-text-3)}
.crumb a:hover{color:var(--c-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--c-lime);text-decoration-thickness:2px}
.crumb .sep{color:#C6C0B6}
.crumb .current{color:var(--c-text-2);font-weight:600}

/* ---------- 文章布局 ---------- */
.article-main{padding:22px 0 88px}
.article-layout{margin-top:0}
.article-col{padding-bottom:0}
.article-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:44px 48px 40px;
}
.article-title{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.28;letter-spacing:-.01em;
  color:var(--c-ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;
  font-size:13.5px;color:var(--c-text-3);
}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-lime);color:var(--c-ink);font-size:11.5px;font-weight:700;letter-spacing:.04em;
}
.badge-soft{background:#EAE5F5;color:var(--c-ink-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC9BE}
.article-rule{border:0;border-top:1px solid var(--c-line);margin:26px 0 0}
.article-cover{margin:30px 0 8px;border-radius:var(--r-img);overflow:hidden;background:var(--c-alt);aspect-ratio:21/9}
.article-cover img{width:100%;height:100%;object-fit:cover}
.figure-cap{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px}

/* ---------- 正文阅读区 ---------- */
.article-body{max-width:720px;font-size:17px;line-height:1.9;color:var(--c-text);margin-top:34px}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:28px;font-weight:700;line-height:1.35;color:var(--c-ink);
  margin:64px 0 18px;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--c-lime);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.45;color:var(--c-ink);margin:40px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--c-ink-2);margin:28px 0 10px}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;background:var(--c-alt);border-left:4px solid var(--c-ink);
  border-radius:0 12px 12px 0;color:var(--c-text-2);font-size:16px;
}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.4em}
.article-body ul li{list-style:disc;margin:8px 0;line-height:1.8}
.article-body ol li{list-style:decimal;margin:8px 0;line-height:1.8}
.article-body li::marker{color:var(--c-ink-3)}
.article-body a{color:var(--c-action);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-action-hover)}
.article-body img{max-width:100%;border-radius:var(--r-img);margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body thead th{background:var(--c-alt);color:var(--c-ink)}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body tbody tr:hover{background:#FBFAF7}
.article-body code{background:var(--c-alt);padding:2px 7px;border-radius:6px;font-size:14.5px;color:var(--c-ink-2)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:34px 0}
.article-body strong{color:var(--c-ink);font-weight:700}

/* ---------- 正文尾部 ---------- */
.article-foot{border-top:1px solid var(--c-line);margin-top:52px;padding-top:26px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--c-lime);color:var(--c-ink-2);font-size:12.5px;font-weight:600;letter-spacing:.03em;
  background:transparent;transition:all .2s var(--ease);
}
.tag:hover{background:var(--c-lime);color:var(--c-ink)}
.foot-actions{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--c-alt);border:1px dashed #D5CFC3;border-radius:var(--r-card);
}
.empty-ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--c-lime);
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--c-ink);font-weight:800;
}
.empty-title{font-size:22px;font-weight:700;color:var(--c-ink);margin-bottom:10px}
.empty-desc{font-size:15px;color:var(--c-text-2);max-width:420px;margin:0 auto 22px}

/* ---------- 侧栏 ---------- */
.article-side{padding-top:0}
.side-inner{position:sticky;top:98px;display:flex;flex-direction:column;gap:20px}
.toc-card,.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px 22px 20px;
}
.toc-title,.side-card-title{font-size:14px;font-weight:700;color:var(--c-ink);letter-spacing:.04em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.toc-title::before,.side-card-title::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--c-lime);display:block}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:8px 12px;border-left:2px solid var(--c-line);font-size:13.5px;color:var(--c-text-2);
  line-height:1.6;transition:all .2s var(--ease);
}
.toc-list a:hover{color:var(--c-ink);background:var(--c-alt)}
.toc-list a.is-current{border-left-color:var(--c-lime);color:var(--c-ink);font-weight:700;background:var(--c-alt)}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;border:1px solid var(--c-line);font-size:14px;color:var(--c-text-2);
}
.side-links a:hover{border-color:var(--c-ink-3);color:var(--c-ink);background:var(--c-alt)}
.side-links a span.arrow{color:var(--c-action);font-weight:700}
.toc-mobile{display:none;margin-top:26px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-input);padding:4px 16px}
.toc-mobile summary{list-style:none;cursor:pointer;padding:12px 0;font-size:14.5px;font-weight:700;color:var(--c-ink);display:flex;justify-content:space-between;align-items:center}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"＋";color:var(--c-action);font-weight:700}
.toc-mobile[open] summary::after{content:"－"}
.toc-mobile .toc-list{padding-bottom:12px}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--c-alt)}
.section-head{max-width:680px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 14px;border-radius:var(--r-pill);
  background:#EAE5F5;color:var(--c-ink-2);font-size:11.5px;font-weight:700;letter-spacing:.08em;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-lime)}
.section-title{font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.34;color:var(--c-ink)}
.section-sub{margin-top:14px;font-size:15.5px;color:var(--c-text-2);line-height:1.85}

/* ---------- 列表条目 ---------- */
.post-list{display:flex;flex-direction:column;gap:12px}
.post-item{list-style:none}
.post-link{
  display:grid;grid-template-columns:76px 1fr 40px;align-items:center;gap:22px;
  padding:18px 22px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:all .22s var(--ease);
}
.post-link:hover{background:var(--c-alt);transform:translateY(-3px);box-shadow:var(--sh-2)}
.post-tag{
  display:flex;align-items:center;justify-content:center;height:54px;border-radius:12px;
  border:2px solid var(--c-lime);color:var(--c-ink-2);font-size:13px;font-weight:700;letter-spacing:.06em;
  background:#fff;transition:all .22s var(--ease);
}
.post-link:hover .post-tag{background:var(--c-lime);color:var(--c-ink);border-color:var(--c-lime)}
.post-main{min-width:0}
.post-title{display:block;font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.5}
.post-desc{display:block;margin-top:6px;font-size:14px;color:var(--c-text-2);line-height:1.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-arrow{font-size:20px;color:var(--c-action);text-align:right;font-weight:700}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:12px;
  box-shadow:var(--sh-1);padding:0 22px;border-left:3px solid var(--c-lime);transition:all .22s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;font-size:16.5px;font-weight:600;color:var(--c-ink-2);
  display:flex;align-items:center;justify-content:space-between;gap:16px;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1.6px solid var(--c-ink-3);
  background:transparent;position:relative;transition:all .2s var(--ease);
}
.faq-item summary::before{content:none}
.faq-item[open] summary{color:var(--c-ink);font-weight:700}
.faq-item[open] summary::after{border-color:var(--c-action);background:var(--c-action)}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--c-text-2);border-top:1px solid var(--c-line);padding-top:16px}

/* ---------- CTA 深色带 ---------- */
.cta-band{position:relative;background:var(--c-ink);color:#fff;overflow:hidden;padding:72px 0}
.cta-band::after{
  content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.22;mix-blend-mode:luminosity;
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-title{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#fff;line-height:1.35}
.cta-desc{margin-top:12px;font-size:15px;color:#C9C4D8;max-width:560px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-ghost:hover{background:#fff;color:var(--c-ink);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C9C4D8;padding:66px 0 26px;position:relative}
.footer-grid{row-gap:34px}
.footer-brand{font-size:20px;font-weight:800;color:#fff;line-height:1.25}
.footer-brand em{font-style:normal;display:block;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.6);font-weight:600;margin-top:5px}
.footer-desc{margin-top:14px;font-size:14px;color:#C9C4D8;line-height:1.8;max-width:280px}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:#C9C4D8;border-bottom:1px solid transparent;padding-bottom:2px;transition:all .2s var(--ease)}
.footer-list a:hover{color:#fff;border-bottom-color:var(--c-lime)}
.footer-note{font-size:14px;color:#C9C4D8;line-height:1.85;max-width:320px}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--c-line-dark);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:#8F89A6;
}
.to-top{color:#C9C4D8;font-size:13px}
.to-top:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--c-lime);text-underline-offset:4px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-link{font-size:13.5px;padding:0 10px}
  .nav-cta{padding:0 18px;font-size:13.5px}
  .container{padding:0 26px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .article-side{display:none}
  .toc-mobile{display:block}
  .article-card{padding:32px 28px 30px}
  .section{padding:64px 0}
  .faq-grid{grid-template-columns:1fr}
  .post-link{grid-template-columns:64px 1fr 32px;gap:16px;padding:16px 18px}
  .post-desc{white-space:normal}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .brand-main{font-size:18px}
  .article-main{padding:16px 0 56px}
  .article-card{padding:24px 20px 26px;border-radius:14px}
  .article-body{font-size:16px;margin-top:26px}
  .article-body h2{font-size:23px;margin:44px 0 14px}
  .article-body h3{font-size:18px;margin:30px 0 10px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .article-body table th:first-child,.article-body table td:first-child{position:sticky;left:0;background:#fff;z-index:1}
  .article-body thead th:first-child{background:var(--c-alt)}
  .post-link{grid-template-columns:1fr;gap:12px}
  .post-tag{width:64px;justify-content:center}
  .post-arrow{display:none}
  .cta-band{padding:56px 0}
  .section{padding:52px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-foot{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --c-ink:#2A1D4F;
  --c-ink-2:#3E2C6E;
  --c-ink-3:#56418C;
  --c-action:#FF6A3D;
  --c-action-h:#E8552A;
  --c-action-a:#CC471F;
  --c-lime:#C8F04A;
  --c-bg:#F7F5F0;
  --c-bg-alt:#F0EDE5;
  --c-card:#FFFFFF;
  --c-text:#1C1A24;
  --c-text-2:#5A5566;
  --c-text-3:#8A8595;
  --c-line:#E6E1D8;
  --c-ok:#2FA36B;
  --c-warn:#D9822B;
  --c-err:#D64545;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(28,26,36,.05), 0 12px 32px -14px rgba(42,29,79,.18);
  --sh-2:0 18px 42px -16px rgba(42,29,79,.28);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;}
a:hover{color:var(--c-action-h);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-lime);color:var(--c-ink);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid transparent;
  transition:box-shadow .24s ease-out,border-color .24s ease-out,background-color .24s ease-out;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 28px -22px rgba(42,29,79,.45);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px;}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.brand-main{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--c-text-3);margin-top:2px;}
.brand:hover .brand-main{color:var(--c-ink-2);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:14px;color:var(--c-text-2);white-space:nowrap;
}
.nav-link:hover{background:var(--c-bg-alt);color:var(--c-ink);}
.nav-link.is-active{background:var(--c-lime);color:var(--c-ink);font-weight:600;}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:11px 22px;border-radius:999px;
  background:var(--c-action);color:#fff;font-size:14px;font-weight:600;
  margin-left:12px;transition:background-color .2s ease-out,transform .2s ease-out;
}
.header-cta:hover{background:var(--c-action-h);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:46px;height:46px;margin-left:auto;padding:0;
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;z-index:120;
  width:min(360px,88vw);height:100%;
  background:var(--c-ink);color:#fff;
  padding:26px 24px 32px;
  transform:translateX(105%);
  transition:transform .28s ease-out;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(28,26,36,.5);
  opacity:0;visibility:hidden;transition:opacity .28s ease-out,visibility .28s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-brand{display:flex;flex-direction:column;line-height:1.15;}
.drawer-brand strong{font-size:18px;color:#fff;font-weight:800;}
.drawer-brand em{font-style:normal;font-size:11px;letter-spacing:.08em;color:#A79FC4;margin-top:3px;}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.12);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:28px;}
.drawer-nav a{
  display:block;padding:14px 16px;border-radius:12px;
  color:#fff;font-size:17px;font-weight:600;
  border:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover{background:rgba(255,255,255,.1);color:#fff;}
.drawer-nav a.is-active{background:var(--c-lime);color:var(--c-ink);border-color:var(--c-lime);}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;
  min-height:48px;border-radius:999px;background:var(--c-action);color:#fff;font-weight:600;
}
.drawer-cta:hover{background:var(--c-action-h);color:#fff;}

/* ---------- banner ---------- */
.page-banner{
  position:relative;
  padding:78px 0 66px;
  color:#fff;
  background-image:linear-gradient(rgba(42,29,79,.88),rgba(42,29,79,.88)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.breadcrumb{font-size:13px;color:#B9B3CE;margin-bottom:18px;}
.breadcrumb a{color:#B9B3CE;}
.breadcrumb a:hover{color:var(--c-lime);}
.breadcrumb span.sep{margin:0 8px;color:#7A7298;}
.page-banner h1{
  color:#fff;
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;line-height:1.22;letter-spacing:-.01em;
  max-width:14em;
}
.banner-lead{margin:18px 0 0;font-size:16px;line-height:1.75;color:#D8D3E8;max-width:640px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.banner-tags span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:#EFECF8;
}
.banner-tags span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-lime);}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-label{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:var(--c-lime);color:var(--c-ink);
  font-size:12px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;}
.section-sub{margin-top:14px;color:var(--c-text-2);font-size:16px;line-height:1.8;max-width:640px;}

/* ---------- layout ---------- */
.layout-gap{margin-left:-16px;margin-right:-16px;}
.layout-gap > .cell{padding-left:16px;padding-right:16px;}

.entry{max-width:720px;}
.entry h2{
  font-size:clamp(22px,2.2vw,28px);line-height:1.35;font-weight:700;
  margin:56px 0 18px;padding-left:16px;position:relative;
}
.entry h2:first-of-type{margin-top:40px;}
.entry h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;
  width:4px;border-radius:4px;background:var(--c-lime);
}
.entry h3{font-size:19px;font-weight:600;margin:32px 0 12px;}
.entry p{color:var(--c-text-2);}
.entry p.lead{font-size:17px;color:var(--c-text);}
.entry strong{color:var(--c-ink);font-weight:600;}

.check-list{margin:22px 0 8px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  position:relative;padding:14px 18px 14px 48px;
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  font-size:15.5px;line-height:1.75;color:var(--c-text-2);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.check-list li:hover{border-color:#D8D1C4;box-shadow:var(--sh-1);transform:translateY(-2px);}
.check-list li::before{
  content:"";position:absolute;left:18px;top:20px;width:14px;height:14px;
  border-radius:4px;background:var(--c-lime);
}
.check-list li b{color:var(--c-ink);font-weight:600;}

.step-list{margin:22px 0 8px;counter-reset:step;display:flex;flex-direction:column;gap:14px;}
.step-list li{
  counter-increment:step;position:relative;
  padding:18px 20px 18px 62px;background:#fff;
  border:1px solid var(--c-line);border-radius:12px;
  font-size:15.5px;line-height:1.75;color:var(--c-text-2);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.step-list li:hover{border-color:#D8D1C4;box-shadow:var(--sh-1);transform:translateY(-2px);}
.step-list li::before{
  counter-increment:none;content:counter(step,decimal-leading-zero);
  position:absolute;left:18px;top:16px;
  font-size:14px;font-weight:800;color:var(--c-ink);
  background:var(--c-lime);border-radius:999px;padding:2px 10px;line-height:1.6;
}
.step-list li b{color:var(--c-ink);font-weight:600;}

.hint-list{margin:22px 0 8px;display:flex;flex-direction:column;gap:12px;}
.hint-list li{
  padding:16px 20px;border-left:3px solid var(--c-ink-3);border-radius:0 12px 12px 0;
  background:#fff;border-top:1px solid var(--c-line);border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  font-size:15.5px;line-height:1.75;color:var(--c-text-2);
}
.hint-list li b{display:block;color:var(--c-ink);font-weight:600;margin-bottom:4px;font-size:15.5px;}
.hint-list li.is-warn{border-left-color:var(--c-action);}

/* ---------- side cards ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px;}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.side-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.side-card-title{
  font-size:17px;font-weight:700;color:var(--c-ink);
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.side-card-title::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-lime);}
.side-list{display:flex;flex-direction:column;gap:12px;}
.side-list li{
  display:flex;gap:12px;font-size:14.5px;line-height:1.7;color:var(--c-text-2);
  padding-bottom:12px;border-bottom:1px dashed var(--c-line);
}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-num{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  background:var(--c-bg-alt);color:var(--c-ink);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.side-card.is-dark{background:var(--c-ink);border-color:var(--c-ink);color:#fff;}
.side-card.is-dark .side-card-title{color:#fff;}
.side-card.is-dark .side-list li{color:#C9C4D8;border-bottom-color:rgba(255,255,255,.14);}
.side-card.is-dark .side-list li b{color:#fff;}
.side-links{display:flex;flex-direction:column;gap:8px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;background:var(--c-bg-alt);
  font-size:14.5px;color:var(--c-ink);font-weight:500;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.side-links a:hover{background:var(--c-lime);color:var(--c-ink);}
.side-links a span{color:var(--c-text-3);font-size:13px;}

/* ---------- scene cards ---------- */
.scene-grid{margin-bottom:-24px;}
.scene-grid > .cell{margin-bottom:24px;}
.scene-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D1C4;}
.scene-media{position:relative;aspect-ratio:3/2;background:var(--c-bg-alt);overflow:hidden;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--c-ink);}
.scene-text{font-size:14.5px;line-height:1.8;color:var(--c-text-2);flex:1;}
.scene-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-ink);
  border-bottom:2px solid var(--c-lime);align-self:flex-start;padding-bottom:2px;
}
.scene-link:hover{color:var(--c-action-h);border-bottom-color:var(--c-action);}

/* ---------- FAQ ---------- */
.accordion{background:transparent;border:none;margin:0;display:grid;gap:14px;}
.accordion-item{
  border:1px solid var(--c-line);border-left:3px solid var(--c-lime);
  border-radius:12px;background:#fff;overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.accordion-item:hover{box-shadow:var(--sh-1);}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
  border:none;background:transparent;line-height:1.6;
}
.accordion-title:hover{background:var(--c-bg-alt);color:var(--c-ink);}
.accordion-title::before{
  content:"+";float:none;position:static;margin-left:auto;order:2;
  font-size:20px;font-weight:400;color:var(--c-ink-3);line-height:1;
}
.accordion-item.is-active .accordion-title{color:var(--c-ink);font-weight:700;}
.accordion-item.is-active .accordion-title::before{content:"–";color:var(--c-action);}
.accordion-content{padding:0 22px 20px;color:var(--c-text-2);font-size:15.5px;line-height:1.85;display:none;}
.accordion-item.is-active .accordion-content{display:block;}
.accordion-content p:last-child{margin-bottom:0;}
@media (min-width:1024px){
  .accordion{grid-template-columns:1fr 1fr;}
}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-ink);color:#fff;padding:76px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:800;}
.cta-copy p{margin:12px 0 0;color:#C9C4D8;font-size:15.5px;line-height:1.8;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 28px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--c-action);color:#fff;}
.btn-primary:hover{background:var(--c-action-h);color:#fff;transform:translateY(-1px);}
.btn-primary:active{background:var(--c-action-a);transform:translateY(0);}
.btn-ghost{border-color:var(--c-ink);color:var(--c-ink);background:transparent;}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px);}
.btn-on-dark{border-color:rgba(255,255,255,.35);color:#fff;background:transparent;}
.btn-on-dark:hover{background:#fff;color:var(--c-ink);border-color:#fff;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C9C4D8;padding:72px 0 28px;font-size:14.5px;}
.footer-grid{margin-left:-16px;margin-right:-16px;}
.footer-grid > .cell{padding-left:16px;padding-right:16px;margin-bottom:34px;}
.footer-brand{font-size:20px;font-weight:800;color:#fff;line-height:1.2;}
.footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.08em;color:#A79FC4;margin-top:5px;font-weight:400;}
.footer-desc{margin:16px 0 0;color:#A79FC4;line-height:1.8;max-width:280px;font-size:14px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{color:#C9C4D8;font-size:14.5px;}
.footer-list a:hover{color:#fff;border-bottom:1px solid var(--c-lime);}
.footer-note{margin:0;color:#A79FC4;line-height:1.85;font-size:14px;max-width:300px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;margin-top:8px;
  font-size:13.5px;color:#8E87AC;
}
.to-top{color:#C9C4D8;font-size:13.5px;}
.to-top:hover{color:#fff;border-bottom:1px solid var(--c-lime);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .side-stack{position:static;top:auto;}
  .entry{max-width:100%;}
  .site-footer{padding-top:56px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .header-inner{min-height:66px;}
  .brand-main{font-size:18px;}
  .section{padding:56px 0;}
  .page-banner{padding:58px 0 50px;}
  .entry h2{margin-top:44px;padding-left:14px;}
  .entry h2::before{width:3px;}
  .step-list li,.check-list li,.hint-list li{padding-left:42px;}
  .step-list li{padding-left:58px;}
  .cta-band{padding:56px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:519px){
  .banner-lead{font-size:15px;}
  .btn{padding:11px 20px;font-size:14.5px;}
  .side-card,.scene-body{padding:20px;}
}

/* roulang page: category2 */
:root{
  --c-ink:#2A1D4F;
  --c-ink-2:#3E2C6E;
  --c-ink-3:#56418C;
  --c-action:#FF6A3D;
  --c-action-h:#E8552A;
  --c-action-a:#CC471F;
  --c-lime:#C8F04A;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-alt:#F0EDE5;
  --c-text:#1C1A24;
  --c-text-2:#5A5566;
  --c-text-3:#8A8595;
  --c-line:#E6E1D8;
  --c-ok:#2FA36B;
  --c-warn:#D9822B;
  --c-err:#D64545;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,26,36,.05), 0 12px 32px -14px rgba(42,29,79,.18);
  --sh-2:0 18px 42px -16px rgba(42,29,79,.28);
  --container:1200px;
  --pad-pc:32px;
  --pad-mb:20px;
  --sec-pc:96px;
  --sec-tb:72px;
  --sec-mb:56px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;}
a:hover{color:var(--c-action);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-lime);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
p{font-size:16.5px;line-height:1.85;color:var(--c-text-2);margin-bottom:1.15em;}
p:last-child{margin-bottom:0;}
strong{color:var(--c-text);font-weight:700;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--pad-pc);
  padding-right:var(--pad-pc);
}
.section{padding-top:var(--sec-pc);padding-bottom:var(--sec-pc);}
.section--alt{background:var(--c-alt);}
.section--tight{padding-top:64px;padding-bottom:64px;}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 8px 24px -18px rgba(42,29,79,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
}
.site-logo{display:flex;flex-direction:column;line-height:1.15;}
.site-logo .logo-mark{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--c-ink);
}
.site-logo .logo-mark em{font-style:normal;color:var(--c-action);}
.site-logo .logo-sub{
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-text-3);
  text-transform:uppercase;
}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--c-ink-2);
  border:1px solid transparent;
}
.nav-link:hover{background:rgba(86,65,140,.08);color:var(--c-ink);}
.nav-link.is-active{
  background:var(--c-lime);
  color:var(--c-ink);
  box-shadow:inset 0 -3px 0 var(--c-ink-3);
}
.header-actions{display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-primary{
  background:var(--c-action);
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(255,106,61,.9);
}
.btn-primary:hover{background:var(--c-action-h);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -16px rgba(255,106,61,1);}
.btn-primary:active{background:var(--c-action-a);transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--c-ink);
  border-color:var(--c-ink-3);
}
.btn-ghost:hover{background:var(--c-ink);color:#fff;border-color:var(--c-ink);}
.btn-ghost:active{background:var(--c-ink-2);}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,26,36,.55);
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:var(--c-ink);
  z-index:80;
  transform:translateX(100%);
  transition:transform .26s ease-out;
  display:flex;flex-direction:column;
  padding:24px 22px 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.14);}
.drawer-brand{font-size:19px;font-weight:800;color:#fff;line-height:1.3;}
.drawer-brand em{font-style:normal;color:var(--c-lime);display:block;font-size:11px;letter-spacing:.1em;font-weight:600;margin-top:4px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--c-lime);color:var(--c-lime);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:20px 0;flex:1;}
.drawer-link{
  display:block;
  padding:14px 4px;
  font-size:17px;
  font-weight:600;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.drawer-link:hover{color:var(--c-lime);}
.drawer-link.is-active{color:var(--c-lime);}

/* ============ banner ============ */
.page-banner{
  position:relative;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center 30%;
  background-color:var(--c-ink);
  isolation:isolate;
}
.page-banner::before{
  content:"";
  position:absolute;inset:0;
  background:rgba(42,29,79,.85);
  z-index:-1;
}
.banner-inner{
  padding-top:60px;
  padding-bottom:64px;
  max-width:820px;
}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(200,240,74,.16);
  border:1px solid rgba(200,240,74,.45);
  color:var(--c-lime);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.page-banner h1{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.01em;
  color:#fff;
  margin-bottom:18px;
}
.page-banner h1 span{color:var(--c-lime);}
.banner-lead{
  font-size:16.5px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:640px;
  margin-bottom:0;
}
.banner-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.9);
}

/* ============ 通用区块头 ============ */
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--c-ink-3);
  background:rgba(200,240,74,.35);
  padding:5px 14px;border-radius:var(--r-pill);
  margin-bottom:18px;
}
.sec-label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-ink-3);}
.sec-title{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.32;
  color:var(--c-ink);
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.sec-sub{
  font-size:16.5px;
  color:var(--c-text-2);
  max-width:720px;
}
.sec-head{margin-bottom:48px;}
.sec-head--center{text-align:center;}
.sec-head--center .sec-sub{margin-left:auto;margin-right:auto;}

/* ============ 时间轴 ============ */
.timeline-wrap{max-width:900px;}
.timeline{position:relative;}
.tl-item{
  display:grid;
  grid-template-columns:72px minmax(0,1fr);
  gap:28px;
  position:relative;
  padding-bottom:40px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:not(:last-child)::after{
  content:"";
  position:absolute;
  left:35px;
  top:64px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--c-ink-3),rgba(86,65,140,.18));
}
.tl-marker{
  width:72px;height:72px;
  border-radius:50%;
  background:var(--c-lime);
  color:var(--c-ink);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;
  border:5px solid #fff;
  box-shadow:var(--sh-1);
  position:relative;z-index:2;
}
.tl-body{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tl-body h3{
  font-size:19px;font-weight:700;line-height:1.45;color:var(--c-ink);
  margin-bottom:10px;
}
.tl-body p{font-size:15.8px;margin-bottom:.9em;}
.tl-tips{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;
}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--c-alt);
  color:var(--c-ink-2);
}
.tag--lime{background:var(--c-lime);color:var(--c-ink);}
.tag--line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}

/* ============ 图文块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media{
  border-radius:18px;
  overflow:hidden;
  background:var(--c-alt);
  aspect-ratio:4/3;
  position:relative;
  box-shadow:var(--sh-1);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.split-media:hover img{transform:scale(1.03);}
.split-body h2{
  font-size:clamp(23px,2.4vw,29px);
  font-weight:700;line-height:1.34;color:var(--c-ink);margin-bottom:18px;
}
.split-body h3{
  font-size:18px;font-weight:600;color:var(--c-ink);margin:22px 0 8px;
}
.split-body h3:first-of-type{margin-top:0;}

/* ============ 检查清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:8px;}
.check-item{
  display:flex;gap:14px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D1C4;}
.check-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:rgba(200,240,74,.55);
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.check-icon svg{width:14px;height:14px;stroke:var(--c-ink);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.check-item h3{font-size:16.5px;font-weight:700;color:var(--c-ink);margin-bottom:6px;line-height:1.45;}
.check-item p{font-size:15px;margin-bottom:0;}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-alt);
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-ink-3);
  border-radius:12px;
  padding:22px 24px;
  margin-top:36px;
}
.notice-icon{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;
  background:var(--c-ink);color:var(--c-lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
}
.notice h3{font-size:16.5px;font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.notice p{font-size:15px;margin-bottom:0;}

/* ============ 卡片组 ============ */
.card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-media{background:var(--c-alt);aspect-ratio:3/2;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--c-ink);}
.card-body p{font-size:15px;margin-bottom:0;}
.card-link{
  margin-top:auto;
  font-size:14px;font-weight:700;color:var(--c-ink);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:2px solid var(--c-lime);
  align-self:flex-start;
  padding-bottom:2px;
}
.card-link:hover{color:var(--c-action);border-bottom-color:var(--c-action);}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.faq-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-lime);
  border-radius:12px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item.is-open{border-left-color:var(--c-action);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;
  padding:20px 24px;
  font-size:16.5px;font-weight:600;color:var(--c-ink);
  line-height:1.5;
}
.faq-item.is-open .faq-q{color:var(--c-ink);font-weight:800;}
.faq-q:hover{color:var(--c-ink-3);}
.faq-sign{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  background:var(--c-alt);color:var(--c-ink);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .2s ease-out,background-color .2s ease-out;
}
.faq-item.is-open .faq-sign{background:var(--c-lime);transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease-out;
}
.faq-a-inner{padding:0 24px 22px;font-size:15.3px;line-height:1.85;color:var(--c-text-2);}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-ink);
  border-radius:20px;
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:220px;height:220px;border-radius:50%;
  background:rgba(200,240,74,.14);
}
.cta-band h2{
  font-size:clamp(21px,2.2vw,26px);
  font-weight:800;color:#fff;line-height:1.35;margin-bottom:8px;position:relative;z-index:1;
}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:0;position:relative;z-index:1;}
.cta-band .cta-actions{position:relative;z-index:1;flex:0 0 auto;}

/* ============ footer ============ */
.site-footer{
  background:var(--c-ink);
  color:#C9C4D8;
  padding-top:72px;
  margin-top:96px;
}
.footer-grid{row-gap:40px;}
.footer-brand{
  font-size:20px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:12px;
}
.footer-brand em{font-style:normal;display:block;font-size:11px;letter-spacing:.1em;color:var(--c-lime);font-weight:600;margin-top:4px;}
.footer-desc{font-size:14px;color:#C9C4D8;line-height:1.7;max-width:280px;margin-bottom:0;}
.footer-title{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;
}
.footer-list li{margin-bottom:10px;}
.footer-list a{
  font-size:14px;color:#C9C4D8;border-bottom:1px solid transparent;padding-bottom:1px;
}
.footer-list a:hover{color:#fff;border-bottom-color:var(--c-lime);}
.footer-note{font-size:13.5px;color:#A9A3BE;line-height:1.75;margin-bottom:0;}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#A9A3BE;
}
.to-top{font-size:13px;color:#C9C4D8;}
.to-top:hover{color:var(--c-lime);}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .main-nav{gap:2px;}
  .nav-link{padding:0 11px;font-size:14px;}
}
@media screen and (max-width:1023px){
  :root{--pad-pc:24px;--sec-pc:72px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-cta-desktop{display:none;}
  .split{grid-template-columns:1fr;gap:36px;}
  .split-media{order:-1;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn{width:100%;}
}
@media screen and (max-width:767px){
  :root{--pad-pc:20px;--sec-pc:56px;}
  body{font-size:16px;}
  .page-banner h1{font-size:clamp(26px,7vw,32px);}
  .banner-inner{padding-top:44px;padding-bottom:48px;}
  .tl-item{grid-template-columns:52px minmax(0,1fr);gap:16px;padding-bottom:28px;}
  .tl-item:not(:last-child)::after{left:25px;top:48px;}
  .tl-marker{width:52px;height:52px;font-size:16px;border-width:4px;}
  .tl-body{padding:20px;}
  .check-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:32px;}
  .cta-band h2{font-size:21px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .btn{width:100%;}
  .banner-meta{gap:8px;}
  .chip{font-size:12px;padding:5px 12px;}
}

/* roulang page: category3 */
:root{
  --c-ink:#2A1D4F;
  --c-ink-2:#3E2C6E;
  --c-ink-3:#56418C;
  --c-action:#FF6A3D;
  --c-action-hover:#E8552A;
  --c-action-active:#CC471F;
  --c-lime:#C8F04A;
  --c-bg:#F7F5F0;
  --c-bg-alt:#F0EDE5;
  --c-card:#FFFFFF;
  --c-text:#1C1A24;
  --c-text-2:#5A5566;
  --c-text-3:#8A8595;
  --c-line:#E6E1D8;
  --c-success:#2FA36B;
  --c-warn:#D9822B;
  --c-error:#D64545;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,26,36,.05), 0 12px 32px -14px rgba(42,29,79,.18);
  --sh-2:0 18px 42px -16px rgba(42,29,79,.28);
  --w-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}
.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section--alt{background:var(--c-bg-alt);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--c-ink);background:var(--c-lime);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-ink);}
h2.section-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--c-ink);}
.section-desc{margin-top:14px;font-size:16px;color:var(--c-text-2);max-width:640px;}
.center .section-desc{margin-left:auto;margin-right:auto;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 8px 24px -18px rgba(42,29,79,.35);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px;}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:none;}
.brand-main{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);}
.brand-sub{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--c-text-3);text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-text-2);white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-link:hover{background:var(--c-bg-alt);color:var(--c-ink);}
.nav-link.is-active{background:var(--c-lime);color:var(--c-ink);font-weight:700;}
.header-cta{flex:none;}
.menu-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border-radius:12px;border:1px solid var(--c-line);background:#fff;
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(28,26,36,.52);opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,360px);
  background:var(--c-ink);z-index:100;padding:24px 22px 28px;
  transform:translateX(102%);transition:transform .28s ease-out;
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-brand{color:#fff;font-size:17px;font-weight:800;}
.drawer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--c-lime);text-transform:uppercase;margin-top:3px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);color:#fff;font-size:18px;line-height:1;}
.drawer .nav-link{color:#fff;font-size:17px;padding:14px 14px;border-radius:12px;}
.drawer .nav-link:hover{background:rgba(255,255,255,.08);}
.drawer .nav-link.is-active{background:var(--c-lime);color:var(--c-ink);font-weight:700;}
.drawer-cta{margin-top:20px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--c-action);color:#fff;box-shadow:0 12px 24px -14px rgba(255,106,61,.85);}
.btn-primary:hover{background:var(--c-action-hover);transform:translateY(-1px);}
.btn-primary:active{background:var(--c-action-active);transform:translateY(0);}
.btn-ghost{border-color:var(--c-ink);color:var(--c-ink);background:transparent;}
.btn-ghost:hover{background:var(--c-ink);color:#fff;}
.btn-quiet{color:var(--c-ink);padding:0 4px;border-bottom:2px solid var(--c-lime);border-radius:0;min-height:auto;}
.btn-quiet:hover{font-weight:700;border-bottom-width:3px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- banner ---------- */
.page-banner{
  position:relative;
  background-image:linear-gradient(rgba(42,29,79,.85),rgba(42,29,79,.85)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 52px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--c-lime);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:rgba(255,255,255,.92);}
.banner-title{font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.22;letter-spacing:-.01em;max-width:900px;}
.banner-title .bn-sub{display:block;font-size:clamp(13px,1.3vw,16px);font-weight:600;letter-spacing:.08em;color:var(--c-lime);margin-top:12px;text-transform:uppercase;}
.banner-lead{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px;}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-lime);}

/* ---------- compare cards ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.compare-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  display:flex;flex-direction:column;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D2C6;}
.compare-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.compare-card h3{font-size:19px;font-weight:600;line-height:1.45;color:var(--c-ink);}
.compare-card h3 small{display:block;font-size:12.5px;font-weight:500;color:var(--c-text-3);letter-spacing:.04em;margin-top:6px;}
.badge{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
}
.badge--lime{background:var(--c-lime);color:var(--c-ink);}
.badge--purple{background:#EDE8FA;color:var(--c-ink-2);}
.badge--line{border:1px solid var(--c-line);color:var(--c-text-2);background:#fff;}
.kv-list{margin:18px 0 0;}
.kv{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;padding:10px 0;border-bottom:1px dashed var(--c-line);font-size:14px;}
.kv:last-child{border-bottom:0;}
.kv dt{color:var(--c-text-3);font-size:13.5px;}
.kv dd{margin:0;color:var(--c-text);line-height:1.7;}
.kv--diff{
  border:1px solid rgba(255,106,61,.55);
  background:#FFF6F1;
  border-radius:10px;
  padding:10px 12px;
  margin:6px 0;
}
.kv--diff dt{color:var(--c-action-active);font-weight:700;}
.compare-note{margin-top:auto;padding-top:18px;font-size:13px;color:var(--c-text-3);}

/* ---------- steps ---------- */
.steps-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start;}
.steps{border-top:1px solid var(--c-line);}
.step{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--c-line);}
.step-num{
  flex:none;width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--c-lime);
  font-weight:800;font-size:15px;color:var(--c-ink);
}
.step h3{font-size:17px;font-weight:600;color:var(--c-ink);margin-bottom:6px;line-height:1.5;}
.step p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:18px;font-weight:700;color:var(--c-ink);margin-bottom:14px;}
.side-card p{font-size:14.5px;color:var(--c-text-2);margin-bottom:14px;}
.tick-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--c-text-2);margin-bottom:10px;line-height:1.75;}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
  background:var(--c-lime);border:1px solid #A9CE2E;
}

/* ---------- media row ---------- */
.media-row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:48px;align-items:center;}
.media-figure{position:relative;border-radius:20px;overflow:hidden;background:var(--c-bg-alt);aspect-ratio:4/3;}
.media-figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.media-figure:hover img{transform:scale(1.03);}
.media-figure::after{content:"";position:absolute;inset:0;background:rgba(42,29,79,.08);pointer-events:none;}
.media-body h2{font-size:clamp(23px,2.4vw,30px);font-weight:700;color:var(--c-ink);line-height:1.32;}
.media-body p{margin-top:16px;font-size:16px;color:var(--c-text-2);max-width:720px;}
.media-body .tick-list{margin-top:22px;}

/* ---------- env band ---------- */
.env-band{
  background:var(--c-ink);color:#fff;border-radius:20px;padding:44px;
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:36px;align-items:center;
}
.env-band h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;line-height:1.35;color:#fff;}
.env-band p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.8;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;color:#fff;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  transition:border-color .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.tag:hover{border-color:var(--c-lime);color:var(--c-lime);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-left:3px solid var(--c-lime);
  border-radius:12px;padding:0 22px;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--c-text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-bg-alt);color:var(--c-ink);font-weight:700;font-size:16px;
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.faq-item[open] summary{color:var(--c-ink);font-weight:700;}
.faq-item[open] summary::after{content:"–";background:var(--c-lime);transform:rotate(180deg);}
.faq-answer{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--c-text-2);border-top:1px dashed var(--c-line);margin-top:-1px;padding-top:16px;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-ink);color:#fff;padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;color:#fff;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-outline-light{border-color:rgba(255,255,255,.4);color:#fff;background:transparent;}
.btn-outline-light:hover{background:#fff;color:var(--c-ink);border-color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C9C4D8;padding:64px 0 26px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr .8fr 1.1fr 1.2fr;gap:40px;
  margin-left:0;margin-right:0;
}
.footer-grid > .cell{width:auto !important;padding-left:0 !important;padding-right:0 !important;flex:none !important;min-width:0;}
.footer-brand{font-size:20px;font-weight:800;color:#fff;line-height:1.2;}
.footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--c-lime);text-transform:uppercase;margin-top:5px;}
.footer-desc{margin-top:14px;font-size:14px;color:#C9C4D8;line-height:1.8;max-width:280px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-list{margin:0;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:#C9C4D8;transition:color .2s ease-out,box-shadow .2s ease-out;}
.footer-list a:hover{color:#fff;box-shadow:inset 0 -2px 0 var(--c-lime);}
.footer-note{font-size:14px;color:#C9C4D8;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9E98B4;
}
.to-top{color:#C9C4D8;transition:color .2s ease-out;}
.to-top:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr .8fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .main-nav,.header-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .compare-grid{grid-template-columns:1fr;gap:20px;}
  .steps-wrap{grid-template-columns:1fr;gap:32px;}
  .media-row{grid-template-columns:1fr;gap:28px;}
  .env-band{grid-template-columns:1fr;padding:34px 28px;gap:24px;}
  .faq-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .banner-title{font-size:clamp(25px,7vw,32px);}
  .page-banner{padding:38px 0 40px;}
  .compare-card,.side-card{padding:20px;}
  .kv{grid-template-columns:84px minmax(0,1fr);font-size:13.5px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --c-ink:#2A1D4F;
  --c-ink-2:#3E2C6E;
  --c-ink-3:#56418C;
  --c-action:#FF6A3D;
  --c-action-hover:#E8552A;
  --c-action-active:#CC471F;
  --c-lime:#C8F04A;
  --c-bg:#F7F5F0;
  --c-bg-alt:#F0EDE5;
  --c-card:#FFFFFF;
  --t-main:#1C1A24;
  --t-sub:#5A5566;
  --t-weak:#8A8595;
  --c-line:#E6E1D8;
  --c-ok:#2FA36B;
  --c-warn:#D9822B;
  --c-err:#D64545;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(28,26,36,.05), 0 12px 32px -14px rgba(42,29,79,.18);
  --shadow-2:0 18px 42px -16px rgba(42,29,79,.28);
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--t-main);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4{margin:0;color:var(--t-main);}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.22;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;}
h3{font-size:19px;font-weight:600;line-height:1.45;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}

a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;}
a:hover{color:var(--c-action);}

img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}

button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}

:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}

.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
  width:100%;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 8px 22px -18px rgba(42,29,79,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.brand{
  display:flex;
  flex-direction:column;
  line-height:1.15;
  flex-shrink:0;
}
.brand-main{
  font-size:21px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--c-ink);
}
.brand-sub{
  font-size:11px;
  letter-spacing:.08em;
  color:var(--t-weak);
  font-weight:500;
  text-transform:uppercase;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-link{
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--t-sub);
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-link:hover{
  background:var(--c-bg-alt);
  color:var(--c-ink);
}
.nav-link.is-active{
  background:var(--c-lime);
  color:var(--c-ink);
  font-weight:700;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink);
  align-items:center;
  justify-content:center;
  transition:background-color .2s ease-out,border-color .2s ease-out;
}
.nav-toggle:hover{background:var(--c-bg-alt);border-color:var(--c-ink-3);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:var(--c-action);
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(255,106,61,.9);
}
.btn-primary:hover{
  background:var(--c-action-hover);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 30px -14px rgba(255,106,61,.95);
}
.btn-primary:active{background:var(--c-action-active);transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--c-ink);
  border-color:var(--c-ink-3);
}
.btn-ghost:hover{
  background:var(--c-ink);
  color:#fff;
  border-color:var(--c-ink);
}
.btn-ghost:active{background:#1E143A;}
.btn-light{
  background:#fff;
  color:var(--c-ink);
  border-color:transparent;
}
.btn-light:hover{background:var(--c-lime);color:var(--c-ink);}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
  border-bottom:2px solid var(--c-lime);
  padding-bottom:2px;
}
.text-link:hover{color:var(--c-action);border-bottom-color:var(--c-action);font-weight:700;}

/* ---------- badges ---------- */
.badge{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  background:var(--c-bg-alt);
  color:var(--c-ink);
}
.badge-lime{background:var(--c-lime);color:var(--c-ink);}
.badge-line{background:transparent;border:1px solid var(--c-line);color:var(--t-sub);}

.tag{
  display:inline-block;
  padding:5px 14px;
  border-radius:999px;
  background:var(--c-lime);
  color:var(--c-ink);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}

/* ---------- banner ---------- */
.page-banner{
  position:relative;
  background:
    linear-gradient(rgba(42,29,79,.87),rgba(42,29,79,.87)),
    url("/assets/images/backpic/back-2.webp") center 30%/cover no-repeat;
  color:#fff;
  padding:40px 0 48px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#C9C4D8;
  margin-bottom:22px;
}
.breadcrumb a{color:#C9C4D8;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;}
.page-banner h1{color:#fff;margin-top:14px;}
.page-banner .badge{margin-bottom:2px;}

.lead-band{
  background:#fff;
  border-bottom:1px solid var(--c-line);
}
.lead-band .container{padding-top:26px;padding-bottom:26px;}
.lead-text{
  margin:0;
  max-width:720px;
  font-size:clamp(16px,2vw,19px);
  color:var(--t-sub);
  font-weight:500;
}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-white{background:#fff;}
.section-dark{
  background:var(--c-ink);
  color:#fff;
  padding:80px 0;
}

.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{margin-top:16px;}
.section-head .section-sub{
  margin-top:16px;
  color:var(--t-sub);
  font-size:16px;
}

/* ---------- problem cards ---------- */
.problem-grid{margin-bottom:-24px;}
.problem-grid > .cell{margin-bottom:24px;}

.card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card-media{
  display:block;
  aspect-ratio:3/2;
  background:var(--c-bg-alt);
  overflow:hidden;
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease-out;
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.card-body h3{font-size:19px;}
.card-body p{
  margin:0;
  font-size:15px;
  color:var(--t-sub);
  line-height:1.75;
}
.card-body .text-link{margin-top:auto;align-self:flex-start;}

.wide-card{
  flex-direction:row;
  align-items:stretch;
}
.wide-media{
  flex:0 0 38%;
  background:var(--c-bg-alt);
  overflow:hidden;
}
.wide-media img{width:100%;height:100%;object-fit:cover;}
.wide-body{
  flex:1;
  padding:32px;
  display:flex;
  flex-direction:column;
  gap:14px;
  justify-content:center;
}
.wide-body h3{font-size:22px;}
.wide-body p{margin:0;font-size:15px;color:var(--t-sub);line-height:1.8;max-width:640px;}
.wide-body .btn{align-self:flex-start;margin-top:6px;}

/* ---------- tip list ---------- */
.tip-list{border-top:1px solid var(--c-line);}
.tip-item{
  display:flex;
  align-items:flex-start;
  gap:24px;
  padding:24px 20px;
  border-bottom:1px solid var(--c-line);
  border-radius:12px;
  transition:background-color .2s ease-out;
}
.tip-item:hover{background:var(--c-bg-alt);}
.tip-status{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:88px;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid var(--c-ink-3);
  color:var(--c-ink);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  margin-top:4px;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.tip-item:hover .tip-status{background:var(--c-ink);color:#fff;}
.tip-main{flex:1;}
.tip-main h3{margin-bottom:6px;}
.tip-main p{margin:0;font-size:15px;color:var(--t-sub);line-height:1.8;}
.tip-arrow{
  flex:0 0 auto;
  color:var(--t-weak);
  margin-top:6px;
  transition:transform .2s ease-out,color .2s ease-out;
}
.tip-item:hover .tip-arrow{color:var(--c-action);transform:translateX(4px);}

/* ---------- steps ---------- */
.step-track{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  counter-reset:step;
}
.step{
  position:relative;
  padding:0 24px 0 0;
}
.step::after{
  content:"";
  position:absolute;
  top:22px;
  right:8px;
  width:calc(100% - 56px);
  height:2px;
  background:var(--c-line);
}
.step:last-child{padding-right:0;}
.step:last-child::after{display:none;}
.step-num{
  position:relative;
  z-index:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--c-lime);
  color:var(--c-ink);
  font-size:18px;
  font-weight:800;
  margin-bottom:20px;
  border:4px solid var(--c-bg);
}
.step h3{margin-bottom:10px;font-size:18px;}
.step p{margin:0;font-size:15px;color:var(--t-sub);line-height:1.78;}

/* ---------- stats ---------- */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-bottom:48px;
}
.stat{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.stat-num{
  font-size:clamp(34px,4vw,48px);
  font-weight:800;
  line-height:1.1;
  color:var(--c-action);
  letter-spacing:-.02em;
  margin-bottom:8px;
}
.stat:nth-child(2n) .stat-num{color:var(--c-ink);}
.stat-label{font-size:14px;color:var(--t-sub);}
.stat-note{
  max-width:720px;
  color:var(--t-sub);
  font-size:16px;
}
.stat-note strong{color:var(--c-ink);}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.accordion{
  background:transparent;
  margin:0;
  border:none;
  list-style:none;
}
.accordion .accordion-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:12px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease-out;
}
.accordion .accordion-item:hover{box-shadow:var(--shadow-2);}
.accordion .accordion-title{
  position:relative;
  display:block;
  padding:20px 56px 20px 22px;
  background:#fff;
  border:none;
  border-left:3px solid var(--c-lime);
  font-size:17px;
  font-weight:600;
  color:var(--t-main);
  line-height:1.55;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.accordion .accordion-title:hover{background:var(--c-bg-alt);color:var(--c-ink);}
.accordion .accordion-title::before{
  content:"";
  position:absolute;
  right:22px;
  top:50%;
  width:14px;
  height:2px;
  background:var(--c-ink-3);
  transform:translateY(-50%);
  transition:background-color .2s ease-out;
}
.accordion .accordion-title::after{
  content:"";
  position:absolute;
  right:28px;
  top:50%;
  width:2px;
  height:14px;
  background:var(--c-ink-3);
  transform:translateY(-50%) scaleY(1);
  transition:transform .22s ease-out,background-color .22s ease-out;
}
.accordion .accordion-item.is-active .accordion-title{color:var(--c-ink);font-weight:700;background:#fff;}
.accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) scaleY(0);}
.accordion .accordion-item.is-active .accordion-title::before{background:var(--c-action);}
.accordion .accordion-content{
  padding:0 24px 22px 25px;
  border:none;
  background:#fff;
  color:var(--t-sub);
  font-size:16px;
  line-height:1.85;
}
.accordion .accordion-content p{margin-bottom:10px;}

/* ---------- deep cta ---------- */
.cta-band{
  background:var(--c-ink);
  color:#fff;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-80px;
  width:360px;
  height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,240,74,.18),transparent 70%);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  z-index:1;
}
.cta-text h2{color:#fff;margin-bottom:12px;}
.cta-text p{margin:0;color:#C9C4D8;font-size:15px;max-width:520px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-ink);
  color:#C9C4D8;
  padding:72px 0 0;
}
.footer-grid{padding-bottom:40px;}
.footer-brand{
  font-size:22px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
  margin-bottom:14px;
  display:flex;
  flex-direction:column;
  line-height:1.25;
}
.footer-brand em{
  font-style:normal;
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-lime);
  font-weight:600;
  text-transform:uppercase;
  margin-top:4px;
}
.footer-desc{font-size:14px;line-height:1.8;color:#C9C4D8;margin:0;}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-list li{margin-bottom:10px;}
.footer-list a{
  color:#C9C4D8;
  font-size:14px;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.footer-list a:hover{color:#fff;border-bottom-color:var(--c-lime);}
.footer-note{font-size:14px;line-height:1.85;color:#C9C4D8;margin:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:#9E98B3;
  flex-wrap:wrap;
}
.to-top{color:#C9C4D8;font-size:13px;}
.to-top:hover{color:var(--c-lime);}

/* ---------- off-canvas ---------- */
.off-canvas{background:var(--c-ink);}
.drawer-inner{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:24px 22px 28px;
}
.drawer-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding-bottom:20px;
  border-bottom:1px solid rgba(255,255,255,.12);
  margin-bottom:20px;
}
.drawer-brand{display:flex;flex-direction:column;line-height:1.2;}
.drawer-brand span:first-child{font-size:20px;font-weight:800;color:#fff;}
.drawer-brand span:last-child{font-size:11px;letter-spacing:.08em;color:var(--c-lime);margin-top:4px;}
.drawer-close{
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.2);
  background:transparent;
  color:#fff;
  font-size:20px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.1);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-nav a{
  color:#fff;
  font-size:17px;
  font-weight:600;
  padding:14px 12px;
  border-radius:12px;
  transition:background-color .2s ease-out;
}
.drawer-nav a:hover{background:rgba(255,255,255,.08);}
.drawer-nav a.is-active{background:var(--c-lime);color:var(--c-ink);}
.drawer-cta{margin-top:20px;}
.drawer-cta .btn{width:100%;}

.off-canvas-content{background:transparent;box-shadow:none;}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .header-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .section-head{margin-bottom:36px;}
  .step-track{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .step{padding-right:0;}
  .step::after{display:none;}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:36px;}
  .wide-card{flex-direction:column;}
  .wide-media{flex:0 0 auto;aspect-ratio:16/9;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}

@media screen and (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .header-inner{min-height:66px;gap:12px;}
  .brand-main{font-size:19px;}
  .page-banner{padding:30px 0 36px;}
  .breadcrumb{margin-bottom:16px;}
  .problem-grid > .cell{margin-bottom:20px;}
  .card-body{padding:20px;}
  .wide-body{padding:22px;}
  .wide-body h3{font-size:19px;}
  .tip-item{flex-direction:column;gap:12px;padding:20px 14px;}
  .tip-status{margin-top:0;}
  .tip-arrow{display:none;}
  .step-track{grid-template-columns:1fr;gap:28px;}
  .stat-row{grid-template-columns:1fr;}
  .cta-band{padding:56px 0;}
  .cta-inner .btn{width:100%;}
  .site-footer{padding-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}