/* roulang page: index */
:root{
  --ink:#10201C;
  --ink-2:#1C3A33;
  --accent:#2FB49B;
  --accent-deep:#1F8C78;
  --accent-soft:#E4F4F0;
  --warn:#E4703A;
  --bg:#F5F4EF;
  --surface:#FFFFFF;
  --line:#E2DFD6;
  --text:#2A2E2C;
  --text-2:#6B7370;
  --text-3:#9AA29E;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-hover:0 10px 28px -14px rgba(16,32,28,.07);
  --font-serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(16,32,28,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,32,28,.028) 1px, transparent 1px);
  background-size:38px 38px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:-.5px;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--accent-soft);color:var(--ink);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 48px;}}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--ink);color:#A9B6B2;font-size:12px;letter-spacing:.02em;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar__note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__link{color:#F2F1EC;white-space:nowrap;}
.topbar__link:hover{color:var(--accent);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 10px;transition:padding .2s ease;}
.site-header.is-scrolled{padding:8px 0 6px;}
.nav-card{
  display:flex;align-items:center;gap:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:14px 20px;
  transition:padding .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-card{padding:8px 20px;box-shadow:0 8px 22px -18px rgba(16,32,28,.5);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--ink);color:#F2F1EC;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:19px;font-weight:700;
  letter-spacing:0;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__main{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink);}
.brand__sub{font-size:11px;letter-spacing:.14em;color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:9px;
  padding:8px 12px;border-radius:var(--r-sm);
  min-height:44px;
}
.nav-item i{font-size:15px;color:var(--text-2);transition:color .2s ease;}
.nav-item__body{display:flex;flex-direction:column;line-height:1.2;}
.nav-item__name{font-size:14px;font-weight:600;color:var(--ink);}
.nav-item__desc{font-size:11px;color:var(--text-3);white-space:nowrap;transition:opacity .2s ease;}
.site-header.is-scrolled .nav-item__desc{opacity:0;height:0;overflow:hidden;}
.nav-item:hover{background:var(--accent-soft);}
.nav-item:hover i{color:var(--accent);}
.nav-item.is-active{background:var(--accent-soft);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--accent);
}
.nav-item.is-active i{color:var(--accent);}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-help{font-size:13px;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px;}
.nav-help:hover{color:var(--accent);border-color:var(--accent);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;
  background:var(--bg);border:1px solid var(--line);color:var(--ink);font-size:17px;
}
.nav-toggle:hover{background:var(--accent-soft);border-color:var(--accent);}

.mobile-panel{
  display:none;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-top:10px;
  padding:14px;
}
.mobile-panel.is-open{display:block;}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mobile-card{
  display:flex;flex-direction:column;gap:4px;
  padding:12px;border-radius:var(--r-sm);
  background:var(--bg);border:1px solid var(--line);
}
.mobile-card i{color:var(--accent);font-size:15px;}
.mobile-card span{font-size:14px;font-weight:600;color:var(--ink);}
.mobile-card small{font-size:11px;color:var(--text-3);line-height:1.5;}
.mobile-card.is-active{background:var(--accent-soft);border-color:var(--accent);}
.mobile-cta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;}

@media(max-width:1023px){
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-card{padding:10px 14px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn--primary{background:var(--ink);color:#F2F1EC;}
.btn--primary:hover{background:var(--accent);color:#08201A;}
.btn--accent{background:var(--accent);color:#06231C;}
.btn--accent:hover{background:var(--accent-deep);color:#F2F1EC;}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent-deep);background:var(--accent-soft);}
.btn--light{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn--light:hover{background:var(--accent-soft);border-color:var(--accent);}
.btn--sm{min-height:38px;padding:0 16px;font-size:13px;}
.btn:active{transform:translateY(1px);}
.btn[disabled]{opacity:.45;pointer-events:none;}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-title{font-size:clamp(24px,2.8vw,36px);line-height:1.35;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--accent-deep);
  text-transform:uppercase;margin-bottom:10px;
}
.section-kicker::before{content:"";width:22px;height:1px;background:var(--accent);}
.section-sub{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px;}
.link-more{font-size:14px;font-weight:600;color:var(--accent-deep);display:inline-flex;align-items:center;gap:6px;}
.link-more i{font-size:11px;transition:transform .2s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{padding:40px 0 56px;}
.hero__grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:1024px){
  .hero__grid{grid-template-columns:repeat(12,1fr);gap:40px;align-items:center;}
  .hero__copy{grid-column:span 7;}
  .hero__media{grid-column:span 5;}
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);border:1px solid rgba(47,180,155,.35);
  font-size:12px;letter-spacing:.08em;color:var(--accent-deep);
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(34px,4.8vw,56px);
  line-height:1.15;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--accent-deep);}
.hero__lead{font-size:17px;color:var(--text);margin-bottom:10px;max-width:520px;}
.hero__note{font-size:14px;color:var(--text-2);max-width:520px;margin-bottom:26px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero__badges{display:flex;flex-wrap:wrap;gap:8px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  font-size:12px;color:var(--text-2);letter-spacing:.02em;
}
.badge-pill i{color:var(--accent);font-size:11px;}

.hero__media{position:relative;}
.hero__frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--ink);
  aspect-ratio:4 / 5;
}
.hero__frame img{width:100%;height:100%;object-fit:cover;opacity:.78;}
.hero__frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,32,28,.25),rgba(16,32,28,.72));
}
.hero__caption{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:#F2F1EC;
}
.hero__caption strong{display:block;font-family:var(--font-serif);font-size:18px;margin-bottom:4px;}
.hero__caption span{font-size:12px;color:#A9B6B2;}
.hero__flow{
  position:absolute;right:-8px;bottom:-18px;z-index:3;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:14px 16px;width:min(232px,82%);
  box-shadow:var(--shadow-hover);
}
.hero__flow li{display:flex;gap:8px;font-size:12px;color:var(--text-2);line-height:1.6;}
.hero__flow li + li{margin-top:6px;}
.hero__flow b{color:var(--accent-deep);font-family:var(--font-serif);font-size:12px;}

/* ---------- 倒计时 ---------- */
.countdown{
  background:var(--ink);color:#F2F1EC;
  border-radius:var(--r-lg);
  padding:24px 24px;
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  border:1px solid rgba(255,255,255,.08);
}
.countdown__label{font-size:13px;letter-spacing:.1em;color:#A9B6B2;flex:0 0 auto;}
.countdown__label strong{display:block;font-family:var(--font-serif);font-size:18px;color:#F2F1EC;letter-spacing:0;margin-top:2px;}
.countdown__cells{display:flex;gap:10px;flex:1 1 auto;}
.cell{
  flex:1 1 0;min-width:62px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-sm);
  padding:10px 6px;text-align:center;
}
.cell b{
  display:block;font-family:var(--font-serif);
  font-size:clamp(24px,3vw,32px);line-height:1.1;
  font-variant-numeric:tabular-nums;color:#F2F1EC;
}
.cell span{display:block;font-size:11px;color:#A9B6B2;letter-spacing:.1em;margin-top:2px;}
.countdown__action{flex:0 0 auto;}
.countdown__action .btn{background:var(--accent);color:#06231C;}
.countdown__action .btn:hover{background:#F2F1EC;color:var(--ink);}
@media(max-width:767px){
  .countdown{padding:18px;gap:14px;}
  .countdown__cells{width:100%;overflow-x:auto;padding-bottom:4px;}
  .cell{min-width:56px;}
  .countdown__action{width:100%;}
  .countdown__action .btn{width:100%;}
}

/* ---------- 卖点 ---------- */
.value-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:1024px){
  .value-grid{grid-template-columns:repeat(12,1fr);gap:24px;}
  .value-main{grid-column:span 7;}
  .value-side{grid-column:span 5;display:flex;flex-direction:column;gap:24px;}
}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  position:relative;
}
.panel:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.panel__num{
  font-family:var(--font-serif);font-size:56px;line-height:1;
  color:var(--ink);opacity:.12;margin-bottom:8px;
}
.panel h3{font-size:20px;line-height:1.5;margin-bottom:8px;}
.panel p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.panel__icon{
  width:40px;height:40px;border-radius:var(--r-sm);
  background:var(--accent-soft);color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;margin-bottom:14px;
}
.panel--main{display:flex;flex-direction:column;height:100%;}
.timeline{margin-top:24px;border-top:1px solid var(--line);padding-top:20px;}
.timeline li{
  display:flex;align-items:flex-start;gap:12px;
  font-size:14px;color:var(--text-2);line-height:1.75;
}
.timeline li + li{margin-top:12px;}
.timeline em{
  flex:0 0 auto;font-style:normal;font-family:var(--font-serif);
  font-size:13px;color:var(--accent-deep);
  border:1px solid rgba(47,180,155,.4);background:var(--accent-soft);
  border-radius:var(--r-pill);padding:1px 10px;line-height:1.7;
}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.wall{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){
  .wall{grid-template-columns:repeat(12,1fr);}
  .wall-item:nth-child(1){grid-column:span 5;}
  .wall-item:nth-child(2){grid-column:span 3;}
  .wall-item:nth-child(3){grid-column:span 4;}
  .wall-item:nth-child(4){grid-column:span 4;}
  .wall-item:nth-child(5){grid-column:span 5;}
  .wall-item:nth-child(6){grid-column:span 3;}
}
.wall-item{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  background:var(--ink);height:210px;
  border:1px solid var(--line);
}
@media(min-width:1024px){
  .wall-item:nth-child(1),.wall-item:nth-child(2),.wall-item:nth-child(3){height:280px;}
  .wall-item:nth-child(4),.wall-item:nth-child(5),.wall-item:nth-child(6){height:210px;}
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.wall-item:hover img{transform:scale(1.03);}
.wall-item__tag{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(16,32,28,.82);color:#F2F1EC;
  font-size:12px;letter-spacing:.05em;
  padding:3px 10px;border-radius:var(--r-pill);
  backdrop-filter:blur(2px);
}
.wall-item__hover{
  position:absolute;inset:0;z-index:1;
  background:rgba(16,32,28,.2);opacity:0;transition:opacity .2s ease;
  display:flex;align-items:flex-end;justify-content:flex-end;padding:14px;
  color:#F2F1EC;font-size:12px;
}
.wall-item:hover .wall-item__hover{opacity:1;}

/* ---------- 表单 CTA ---------- */
.cta-block{
  background:var(--ink);color:#F2F1EC;
  border-radius:var(--r-lg);
  padding:36px 24px;
  display:grid;grid-template-columns:1fr;gap:32px;
  border:1px solid rgba(255,255,255,.08);
}
@media(min-width:900px){
  .cta-block{grid-template-columns:1fr 1fr;gap:48px;padding:48px;}
}
.cta-block h2{color:#F2F1EC;font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:14px;}
.cta-block p{font-size:14.5px;color:#A9B6B2;line-height:1.85;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#DDE5E2;}
.cta-points i{color:var(--accent);font-size:12px;margin-top:7px;}
.form-card{
  background:var(--surface);border-radius:var(--r-md);
  padding:24px;color:var(--text);
}
.form-row{margin-bottom:14px;}
.form-row label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.form-row .req{color:var(--warn);}
.form-control{
  width:100%;min-height:44px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#FBFAF7;
  padding:10px 14px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{
  outline:none;border-color:var(--accent);background:var(--surface);
  box-shadow:0 0 0 3px rgba(47,180,155,.18);
}
textarea.form-control{min-height:92px;resize:vertical;line-height:1.75;}
.form-privacy{font-size:12px;color:var(--text-3);margin-top:10px;line-height:1.7;}
.form-card .btn{width:100%;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-sm);overflow:hidden;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 20px;text-align:left;
}
.faq-q:hover{background:#FBFAF7;}
.faq-q__num{font-family:var(--font-serif);font-size:14px;color:var(--text-3);flex:0 0 auto;}
.faq-q__text{font-size:16px;font-weight:600;color:var(--ink);flex:1 1 auto;line-height:1.6;}
.faq-q__icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .24s ease,background-color .2s ease,border-color .2s ease;
}
.faq-item.is-open .faq-q__icon{background:var(--accent-soft);border-color:var(--accent);transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a__inner{padding:0 20px 20px 54px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.news-card__media{display:block;aspect-ratio:16 / 10;overflow:hidden;background:var(--bg);}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;
  background:var(--accent-soft);color:var(--ink-2);
  padding:2px 10px;border-radius:var(--r-pill);
  margin-bottom:10px;align-self:flex-start;
}
.news-card h3{
  font-size:18px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover h3{color:var(--accent-deep);}
.news-card__desc{
  font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);
}
.news-card__time{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.news-card__more{font-size:13px;font-weight:600;color:var(--accent-deep);display:inline-flex;align-items:center;gap:5px;}
.news-card:hover .news-card__more i{transform:translateX(3px);}
.news-card__more i{font-size:10px;transition:transform .2s ease;}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--surface);
  padding:56px 24px;text-align:center;
}
.news-empty i{font-size:40px;color:var(--text-3);display:block;margin-bottom:14px;}
.news-empty p{font-size:15px;color:var(--text-2);margin-bottom:18px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A9B6B2;margin-top:56px;padding:56px 0 0;}
@media(min-width:768px){.site-footer{padding-top:72px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand__mark{background:var(--accent);color:#06231C;}
.footer-brand .brand__main{color:#F2F1EC;}
.footer-brand .brand__sub{color:#7E8F8A;}
.footer-about{font-size:13.5px;line-height:1.85;color:#8FA09B;max-width:280px;margin-bottom:16px;}
.footer-contact{font-size:13px;color:#8FA09B;line-height:1.9;}
.footer-contact span{color:#DDE5E2;}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:#F2F1EC;margin-bottom:14px;font-family:var(--font-sans);font-weight:600;}
.footer-col li + li{margin-top:10px;}
.footer-col a{font-size:13.5px;color:#8FA09B;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:#7E8F8A;
}
.footer-bottom a{color:#7E8F8A;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 动效 ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.fade-up{animation:fadeUp .32s ease-out both;}
.delay-1{animation-delay:.08s;}
.delay-2{animation-delay:.16s;}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}
@media(max-width:767px){
  .panel:hover,.news-card:hover{transform:none;}
}

/* roulang page: article */
:root{
  --ink:#10201C;
  --ink-2:#1C3A33;
  --accent:#2FB49B;
  --accent-dark:#1F8E7A;
  --accent-soft:#E4F4F0;
  --warn:#E4703A;
  --bg:#F5F4EF;
  --surface:#FFFFFF;
  --line:#E2DFD6;
  --text:#2A2E2C;
  --text-2:#6B7370;
  --text-3:#9AA29E;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --shadow:0 10px 28px -14px rgba(16,32,28,.2);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(16,32,28,.055) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 48px}}

/* 顶部细条 */
.topbar{background:var(--ink);color:#A9B6B2;font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar__note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__link{color:#DCEAE5;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:color .2s ease}
.topbar__link:hover{color:var(--accent)}
.topbar__link i{font-size:11px}

/* 卡片化导航 */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 8px;transition:padding .2s ease}
.header-card{
  position:relative;display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:12px 16px;transition:padding .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-compact{padding:8px 0 6px}
.site-header.is-compact .header-card{padding:8px 14px;box-shadow:var(--shadow);border-color:#D8D4C8}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:38px;height:38px;border-radius:10px;background:var(--ink);color:#F2F1EC;
  display:grid;place-items:center;font-family:var(--serif);font-size:19px;font-weight:700;
  transition:background .2s ease;
}
.brand:hover .brand__mark{background:var(--accent);color:#08231D}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__main{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.3px}
.brand__sub{font-size:11px;letter-spacing:.14em;color:var(--text-2)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  position:relative;display:flex;align-items:center;gap:9px;padding:8px 11px;
  border:1px solid transparent;border-radius:var(--r-md);color:var(--ink-2);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-item i{font-size:15px;color:var(--text-3);transition:color .2s ease}
.nav-item__name{display:block;font-size:14px;font-weight:600;line-height:1.3}
.nav-item__desc{display:block;font-size:11px;color:var(--text-3);line-height:1.3;transition:opacity .2s ease}
.nav-item:hover{background:var(--accent-soft);border-color:#CFE9E2}
.nav-item:hover i{color:var(--accent)}
.nav-item.is-active{background:var(--accent-soft);border-color:#CFE9E2}
.nav-item.is-active i{color:var(--accent)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;background:var(--accent);
}
.site-header.is-compact .nav-item__desc{opacity:0;height:0;overflow:hidden}
.header-actions{display:flex;align-items:center;gap:8px;flex:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:42px;padding:10px 18px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn i{font-size:12px}
.btn--primary{background:var(--ink);color:#F2F1EC}
.btn--primary:hover{background:var(--accent);color:#08231D}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:var(--ink-2)}
.btn--ghost:hover{background:var(--accent-soft);color:var(--accent-dark)}
.btn--outline{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn--outline:hover{border-color:var(--accent);color:var(--accent-dark);background:#FBFEFD}
.btn--block{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--accent-soft);border-color:#CFE9E2}

/* 文章头部 */
.section{padding:36px 0}
@media (min-width:768px){.section{padding:52px 0}}
.section--tight{padding:24px 0 0}
.article-hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-color:var(--ink);
  background-image:linear-gradient(rgba(16,32,28,.9),rgba(16,32,28,.95)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:32px 24px;color:#F2F1EC;
}
@media (min-width:768px){.article-hero{padding:44px 40px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:#A9B6B2;margin-bottom:18px}
.breadcrumb a{color:#A9B6B2;transition:color .2s ease}
.breadcrumb a:hover{color:#FFFFFF}
.breadcrumb__current{color:#F2F1EC;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero__title{
  font-family:var(--serif);font-weight:700;letter-spacing:-.5px;
  font-size:clamp(27px,3.8vw,44px);line-height:1.28;max-width:22em;color:#F2F1EC;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:12.5px;color:#A9B6B2}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--accent-soft);color:#14453A;font-size:12px;font-weight:600;letter-spacing:.06em;
}
.meta-dot{opacity:.5}

/* 两栏布局 */
.layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr) 320px;gap:40px}
}
.article-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 20px;font-size:16.5px;line-height:1.95;
}
@media (min-width:768px){.article-body{padding:40px 44px}}
@media (min-width:1024px){.article-body{max-width:780px}}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px;color:var(--text)}
.article-body h2{
  position:relative;font-family:var(--serif);font-size:clamp(20px,2.4vw,26px);font-weight:700;
  line-height:1.4;letter-spacing:-.3px;color:var(--ink);margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:.92em;border-radius:3px;background:var(--accent);
}
.article-body h3{font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink);margin:28px 0 12px;line-height:1.5}
.article-body h4{font-size:16px;font-weight:700;color:var(--ink-2);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin:6px 0}
.article-body li::marker{color:var(--accent)}
.article-body a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px;transition:color .2s ease}
.article-body a:hover{color:var(--ink)}
.article-body img{border-radius:12px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body thead th{background:#F3F2EC;color:var(--ink);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAF9F4}
.article-body code{background:#F3F2EC;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--ink-2)}
.empty-state{text-align:center;padding:48px 12px}
.empty-state i{font-size:44px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state h2{font-family:var(--serif);font-size:22px;color:var(--ink);margin-bottom:10px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{font-size:14.5px;color:var(--text-2);margin-bottom:22px}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:16px}
@media (min-width:1024px){.sidebar{position:sticky;top:96px}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.side-card__title{
  display:flex;align-items:center;gap:8px;font-family:var(--serif);font-size:16px;font-weight:700;
  color:var(--ink);margin-bottom:14px;
}
.side-card__title i{font-size:13px;color:var(--accent)}
.side-list{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:10px}
.side-list li{display:flex;gap:9px;font-size:13.5px;line-height:1.75;color:var(--text-2)}
.side-list li i{color:var(--accent);font-size:10px;margin-top:7px;flex:none}
.side-card--dark{background:var(--ink);border-color:transparent;color:#F2F1EC}
.side-card--dark .side-card__title{color:#F2F1EC}
.side-card--dark p{font-size:13.5px;color:#A9B6B2;margin-bottom:16px;line-height:1.8}
.side-card--dark .btn--primary{background:var(--accent);color:#08231D}
.side-card--dark .btn--primary:hover{background:#4AC7AE}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13.5px;color:var(--text-2);padding:9px 12px;border:1px solid var(--line);
  border-radius:var(--r-md);transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.side-links a:hover{border-color:var(--accent);color:var(--accent-dark);background:#FBFEFD}
.side-links a i{font-size:10px;color:var(--accent)}

/* 文末 */
.article-tail{margin-top:8px;display:flex;flex-direction:column;gap:24px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);font-size:12.5px;color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--accent);color:var(--accent-dark);background:var(--accent-soft)}
.pager{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:700px){.pager{grid-template-columns:1fr 1fr}}
.pager__card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pager__card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.pager__label{font-size:12px;color:var(--text-3);letter-spacing:.06em;display:block;margin-bottom:6px}
.pager__title{font-family:var(--serif);font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.5}
.pager__card:hover .pager__title{color:var(--accent-dark)}

/* 区块标题 */
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section__title{font-family:var(--serif);font-size:clamp(21px,2.4vw,30px);font-weight:700;color:var(--ink);letter-spacing:-.4px;line-height:1.35}
.section__link{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--accent-dark);transition:color .2s ease,gap .2s ease}
.section__link:hover{color:var(--ink);gap:11px}
.section__link i{font-size:11px}

/* 推荐卡片 */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.card-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEBE3}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__cat{
  position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:999px;
  background:rgba(16,32,28,.82);color:#EAF5F1;font-size:11.5px;letter-spacing:.06em;
}
.card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.card:hover .card__title{color:var(--accent-dark)}
.card__desc{font-size:13.5px;color:var(--text-2);line-height:1.75;flex:1}
.card__foot{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px}
.card__foot i{color:var(--accent);font-size:11px}

/* CTA 区 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--ink);color:#F2F1EC;
  padding:36px 24px;
  background-image:linear-gradient(rgba(16,32,28,.93),rgba(16,32,28,.96)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
@media (min-width:900px){
  .cta-band{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;padding:48px 44px}
}
.cta-band h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;letter-spacing:-.4px;margin-bottom:14px}
.cta-band p{font-size:14.5px;color:#A9B6B2;line-height:1.85;margin-bottom:18px;max-width:36em}
.cta-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.cta-points li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#DDEBE6}
.cta-points i{color:var(--accent);font-size:11px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{min-height:46px}
.cta-actions .btn--outline{background:transparent;border-color:rgba(255,255,255,.28);color:#F2F1EC}
.cta-actions .btn--outline:hover{border-color:var(--accent);color:var(--accent)}
.cta-actions .btn--primary{background:var(--accent);color:#08231D}
.cta-actions .btn--primary:hover{background:#4AC7AE}

/* 页脚 */
.site-footer{background:var(--ink);color:#A9B6B2;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:60px 0 40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand__mark{background:var(--accent);color:#08231D}
.footer-brand .brand__main{color:#F2F1EC}
.footer-brand .brand__sub{color:#7E918C}
.footer-about{font-size:13.5px;line-height:1.85;color:#A9B6B2;max-width:26em;margin-bottom:16px}
.footer-contact{font-size:13px;line-height:2;color:#8FA29D}
.footer-contact span{color:#DCEAE5}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:#DCEAE5;font-weight:600;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:#A9B6B2;transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:12.5px;color:#7E918C;
}

/* 响应式导航 */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;left:10px;right:10px;top:calc(100% + 10px);
    grid-template-columns:1fr 1fr;gap:8px;padding:12px;margin-left:0;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow);z-index:70;
  }
  .nav-links.is-open{display:grid}
  .nav-item{background:#FBFAF6;border-color:var(--line)}
  .header-actions .btn--ghost{display:none}
}
@media (max-width:520px){
  .nav-links{grid-template-columns:1fr}
  .header-actions .btn--primary{padding:9px 13px;font-size:13px}
  .article-hero{padding:26px 18px}
  .article-body{padding:20px 16px}
  .brand__main{font-size:15.5px}
  .brand__sub{font-size:10px}
  .topbar__link{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#10201C;
  --ink-2:#1C3A33;
  --accent:#2FB49B;
  --accent-soft:#E4F4F0;
  --warn:#E4703A;
  --bg:#F5F4EF;
  --surface:#FFFFFF;
  --line:#E2DFD6;
  --text:#2A2E2C;
  --text-2:#6B7370;
  --text-3:#9AA29E;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --shadow-card:0 10px 28px -14px rgba(16,32,28,.07);
  --serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(16,32,28,.05) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--accent-soft);color:var(--ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--ink);color:#A9B6B2;font-size:12.5px;letter-spacing:.04em}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar__note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__link{color:#F2F1EC;text-decoration:none;white-space:nowrap;border-bottom:1px solid rgba(255,255,255,.28);transition:color .2s,border-color .2s}
.topbar__link:hover{color:var(--accent);border-color:var(--accent)}
@media(max-width:520px){.topbar__link{display:none}}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:12px;z-index:60;padding-top:12px}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:12px 16px;
  transition:padding .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled .nav-card{padding:8px 16px;box-shadow:0 10px 26px -20px rgba(16,32,28,.75)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand__mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--ink);color:#F2F1EC;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:19px;font-weight:700;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__main{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.brand__sub{font-size:10.5px;color:var(--text-2);letter-spacing:.16em}

.nav-links{display:none;flex:1;align-items:center;justify-content:center;gap:2px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-item{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:12px;
  text-decoration:none;color:var(--text);
  border-left:3px solid transparent;
  transition:background .2s,color .2s,border-color .2s;
}
.nav-item i{font-size:14px;color:var(--text-3);transition:color .2s}
.nav-item__body{display:flex;flex-direction:column;line-height:1.25}
.nav-item__name{font-size:13.5px;font-weight:600;white-space:nowrap}
.nav-item__desc{font-size:10.5px;color:var(--text-3);white-space:nowrap}
.nav-item:hover{background:var(--accent-soft)}
.nav-item:hover i{color:var(--accent)}
.nav-item.is-active{background:var(--accent-soft);border-left-color:var(--accent)}
.nav-item.is-active i{color:var(--accent)}
.nav-item.is-active .nav-item__name{color:var(--ink-2)}
.site-header.is-scrolled .nav-item__desc{display:none}

.nav-actions{display:none;align-items:center;gap:14px;flex:none}
@media(min-width:1024px){.nav-actions{display:flex}}
.nav-help{font-size:13px;color:var(--text-2);text-decoration:none;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav-help:hover{color:var(--accent);border-color:var(--accent)}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:12px;
  background:var(--surface);color:var(--ink);cursor:pointer;
  transition:background .2s,border-color .2s,color .2s;
}
.nav-toggle:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--ink-2)}
@media(min-width:1024px){.nav-toggle{display:none}}
.mobile-panel{display:none;margin-top:10px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px}
.mobile-panel.is-open{display:block}
@media(min-width:1024px){.mobile-panel{display:none!important}}
.mobile-panel__grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-panel .nav-item{border-left-width:3px}
.mobile-panel__actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 20px;
  border-radius:12px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn--primary{background:var(--ink);color:#F2F1EC}
.btn--primary:hover{background:var(--accent);color:var(--ink)}
.btn--accent{background:var(--accent);color:#08201B}
.btn--accent:hover{background:#28a48d}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--ink-2)}
.btn--line{background:transparent;color:#F2F1EC;border-color:rgba(255,255,255,.42)}
.btn--line:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 通用版块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:26px}
.section-head h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);line-height:1.35;color:var(--ink);letter-spacing:-.3px}
.section-head p{font-size:14px;color:var(--text-2);max-width:48ch}
.section-title{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);line-height:1.35;color:var(--ink);letter-spacing:-.3px}
.flow-intro{font-size:14.5px;color:var(--text-2);margin:8px 0 22px;max-width:56ch}

/* ---------- 首屏 ---------- */
.page-hero{padding:28px 0 0}
.hero-card{
  position:relative;
  display:grid;gap:26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px;
  overflow:hidden;
}
.hero-card::after{
  content:"";position:absolute;inset:10px;
  border:1px dashed rgba(47,180,155,.24);
  border-radius:14px;pointer-events:none;
}
@media(min-width:768px){.hero-card{padding:30px}}
@media(min-width:1024px){.hero-card{grid-template-columns:1.42fr .92fr;align-items:center;gap:34px;padding:36px}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;color:var(--text-2);margin-bottom:16px;position:relative;z-index:1}
.crumbs a{color:var(--text-2);text-decoration:none;transition:color .2s}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:var(--text-3)}
.crumbs [aria-current]{color:var(--text)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--accent);
  margin-bottom:12px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.hero-card h1{
  font-family:var(--serif);
  font-size:clamp(28px,4vw,44px);
  line-height:1.24;letter-spacing:-.5px;
  color:var(--ink);font-weight:700;
  margin-bottom:14px;
  position:relative;z-index:1;
}
.hero-lead{font-size:16.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.hero-desc{font-size:15px;color:var(--text-2);max-width:46ch;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.hero-badges li{
  font-size:12px;letter-spacing:.04em;
  padding:5px 12px;border:1px solid var(--line);
  border-radius:var(--r-pill);color:var(--text-2);
  background:var(--bg);
}
.hero-card__media{position:relative;z-index:1}
.hero-card__media img{
  width:100%;aspect-ratio:16/12;object-fit:cover;
  border-radius:14px;border:1px solid var(--line);
}
.hero-note{
  position:absolute;left:12px;right:12px;bottom:12px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px 12px;
  box-shadow:var(--shadow-card);
}
.hero-note__no{
  display:inline-block;font-family:var(--serif);font-weight:700;
  font-size:13px;color:var(--accent);letter-spacing:.08em;
  margin-bottom:2px;font-variant-numeric:tabular-nums;
}
.hero-note p{font-size:12.5px;color:var(--text-2);line-height:1.65}

/* ---------- 准备清单 ---------- */
.prep-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  display:grid;gap:22px;
}
@media(min-width:768px){.prep-card{grid-template-columns:.9fr 1.1fr;padding:32px;align-items:center;gap:32px}}
.prep-card h2{font-family:var(--serif);font-size:clamp(21px,2.3vw,28px);line-height:1.4;color:var(--ink);margin-bottom:8px}
.prep-card__head p{font-size:14.5px;color:var(--text-2)}
.check-list{display:grid;gap:12px}
@media(min-width:640px){.check-list{grid-template-columns:1fr 1fr}}
.check-list li{position:relative;padding-left:28px;font-size:14.5px;line-height:1.7;color:var(--text)}
.check-list li::before{
  content:"";position:absolute;left:0;top:.35em;
  width:15px;height:15px;border:1.5px solid var(--accent);
  border-radius:4px;background:var(--accent-soft);
}
.check-list li::after{
  content:"";position:absolute;left:5.5px;top:.5em;
  width:5px;height:9px;
  border-right:1.6px solid var(--accent);
  border-bottom:1.6px solid var(--accent);
  transform:rotate(40deg);
}

/* ---------- 步骤区 ---------- */
.guide-grid{display:grid;gap:26px}
@media(min-width:1024px){.guide-grid{grid-template-columns:5fr 7fr;gap:40px;align-items:start}}
.step-nav{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
}
@media(min-width:1024px){.step-nav{position:sticky;top:112px}}
.step-nav__title{
  font-size:11.5px;letter-spacing:.18em;color:var(--text-3);
  padding-left:10px;margin-bottom:8px;font-weight:600;
}
.step-nav__item{
  display:flex;align-items:center;gap:12px;
  padding:10px;border-radius:10px;
  text-decoration:none;
  border-left:3px solid transparent;
  transition:background .2s,border-color .2s;
}
.step-nav__item .no{
  font-family:var(--serif);font-size:15px;font-weight:700;
  color:var(--text-3);font-variant-numeric:tabular-nums;
  transition:color .2s;
}
.step-nav__item .label{font-size:14px;font-weight:600;color:var(--text)}
.step-nav__item:hover{background:var(--accent-soft)}
.step-nav__item:hover .no{color:var(--accent)}
.step-nav__item.is-active{background:var(--accent-soft);border-left-color:var(--accent)}
.step-nav__item.is-active .no{color:var(--accent)}
.step-nav__item.is-active .label{color:var(--ink-2)}
@media(max-width:1023px){
  .step-nav{display:flex;gap:6px;overflow-x:auto;padding:10px;-webkit-overflow-scrolling:touch}
  .step-nav__title{display:none}
  .step-nav__item{flex:none;border-left:none;border-bottom:3px solid transparent;border-radius:10px;padding:8px 12px}
  .step-nav__item.is-active{border-left:none;border-bottom-color:var(--accent)}
  .step-nav__item .label{white-space:nowrap;font-size:13px}
}
.step-flow{display:grid;gap:18px}
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  scroll-margin-top:120px;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.step-card:hover{border-color:var(--accent);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.step-card__head{display:flex;align-items:flex-start;gap:14px;margin-bottom:12px}
.step-card__no{
  font-family:var(--serif);font-size:26px;font-weight:700;
  color:var(--accent);line-height:1;opacity:.9;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-family:var(--serif);font-size:19px;line-height:1.4;color:var(--ink)}
.step-card__meta{font-size:12px;color:var(--text-3);margin-top:3px}
.step-card p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:9px}
.step-card p strong{color:var(--text);font-weight:600}
.step-card__tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:var(--ink-2);
  font-size:12.5px;padding:6px 12px;border-radius:var(--r-pill);
  margin-top:4px;
}
.step-card__tag i{color:var(--accent);font-size:12px}
.step-card figure{margin-top:16px}
.step-card figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:12px;border:1px solid var(--line);
}
.step-card figcaption{font-size:12.5px;color:var(--text-3);text-align:center;margin-top:8px}

/* ---------- 卡点提醒 ---------- */
.log-list{display:grid;gap:14px}
.log-item{
  display:grid;gap:12px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 20px;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
@media(min-width:768px){.log-item{grid-template-columns:auto 1fr auto;align-items:center;gap:22px}}
.log-item:hover{border-color:var(--accent);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.log-item__no{
  width:42px;height:42px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--accent-soft);color:var(--ink-2);
  font-family:var(--serif);font-weight:700;font-size:16px;
}
.log-item h3{font-size:16.5px;color:var(--ink);margin-bottom:4px;font-weight:600}
.log-item p{font-size:14px;line-height:1.75;color:var(--text-2)}
.log-item__link{
  font-size:13.5px;font-weight:600;color:var(--accent);
  text-decoration:none;white-space:nowrap;
  transition:color .2s;
}
.log-item__link:hover{color:var(--ink-2);text-decoration:underline;text-underline-offset:3px}
.log-item__link i{font-size:11px;margin-left:4px}

/* ---------- CTA ---------- */
.cta-bar{
  position:relative;overflow:hidden;
  background:var(--ink);
  border:1px solid rgba(255,255,255,.08);
  border-radius:20px;
  padding:28px;
  display:grid;gap:22px;
}
@media(min-width:900px){.cta-bar{grid-template-columns:1fr auto;align-items:center;padding:38px 42px;gap:32px}}
.cta-bar::after{
  content:"";position:absolute;right:-40px;top:-40px;
  width:180px;height:180px;border-radius:50%;
  border:1px dashed rgba(47,180,155,.28);
  pointer-events:none;
}
.cta-bar h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:#F2F1EC;margin-bottom:10px}
.cta-bar p{font-size:14.5px;color:#A9B6B2;max-width:54ch}
.cta-bar__actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A9B6B2;margin-top:56px;padding:48px 0 24px}
.footer-grid{display:grid;gap:30px}
@media(max-width:767px){.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1 / -1}}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .brand__mark{background:rgba(255,255,255,.09);color:#F2F1EC}
.site-footer .brand__main{color:#F2F1EC}
.site-footer .brand__sub{color:#A9B6B2}
.footer-about{font-size:13.5px;line-height:1.8;max-width:30ch;margin-bottom:14px}
.footer-contact{font-size:13px;line-height:1.9;color:#8E9C98}
.footer-contact span{color:#D8DEDA}
.footer-col h4{font-size:12.5px;letter-spacing:.08em;color:#F2F1EC;margin-bottom:12px;font-weight:600}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:#A9B6B2;text-decoration:none;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:32px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#8E9C98;
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media(max-width:767px){
  .step-card:hover,.log-item:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#10201C;
  --ink-2:#1C3A33;
  --accent:#2FB49B;
  --accent-soft:#E4F4F0;
  --warn:#E4703A;
  --bg:#F5F4EF;
  --surface:#FFFFFF;
  --line:#E2DFD6;
  --text:#2A2E2C;
  --text-2:#6B7370;
  --text-3:#9AA29E;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-xl:20px;
  --shadow-card:0 10px 28px -14px rgba(16,32,28,.07);
  --shadow-nav:0 8px 24px -20px rgba(16,32,28,.55);
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  letter-spacing:-.5px;
  margin:0;
  color:var(--ink);
  font-weight:700;
}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){ .container{padding:0 32px;} }
@media (min-width:1280px){ .container{padding:0 48px;} }

/* ---------- 顶部细条 ---------- */
.topbar{
  background:var(--ink);
  color:#C8D5D1;
  font-size:12.5px;
  letter-spacing:.02em;
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:36px;
}
.topbar__note{
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar__dot{
  width:6px;height:6px;border-radius:999px;
  background:var(--accent);
  flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(47,180,155,.18);
}
.topbar__link{
  color:#EFEEE8;
  border-bottom:1px solid rgba(255,255,255,.35);
  padding-bottom:1px;
  transition:color .18s ease,border-color .18s ease;
}
.topbar__link:hover{color:var(--accent);border-color:var(--accent);}
@media (max-width:639px){
  .topbar__note{font-size:11.5px;}
  .topbar__link{font-size:11.5px;flex:0 0 auto;}
}

/* ---------- Header / 卡片化导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  padding:16px 0 0;
  transition:padding .2s ease;
}
.site-header.is-scrolled{padding-top:8px;}

.nav-card{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:12px 16px;
  transition:padding .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled .nav-card{
  padding:8px 16px;
  box-shadow:var(--shadow-nav);
  border-color:#D8D4C9;
}

/* 品牌 */
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand__mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--ink);
  color:#E9F3F0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  flex:0 0 auto;
  border:1px solid rgba(255,255,255,.1);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__main{
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.3px;
}
.brand__sub{
  font-size:11.5px;
  letter-spacing:.18em;
  color:var(--text-2);
}

/* 导航项 */
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-item{
  display:flex;
  align-items:center;
  gap:9px;
  padding:8px 11px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  color:var(--text);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.nav-item i{
  font-size:15px;
  color:var(--text-2);
  transition:color .18s ease;
}
.nav-item__body{display:flex;flex-direction:column;line-height:1.25;}
.nav-item__name{
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.nav-item__desc{
  font-size:10.5px;
  color:var(--text-3);
  letter-spacing:.02em;
  transition:opacity .18s ease;
}
.nav-item:hover{background:var(--accent-soft);}
.nav-item:hover i{color:var(--accent);}
.nav-item.is-active{
  background:var(--accent-soft);
  border-color:#CBE8E1;
  box-shadow:inset 3px 0 0 var(--accent);
}
.nav-item.is-active i{color:var(--accent);}
.nav-item.is-active .nav-item__name{color:var(--ink-2);}
.site-header.is-scrolled .nav-item__desc{opacity:0;height:0;overflow:hidden;}

/* 右侧操作 */
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-md);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  padding:11px 18px;
  min-height:44px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
.btn-primary{
  background:var(--ink);
  color:#F2F1EC;
}
.btn-primary:hover{background:var(--accent);color:#07201B;}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  background:transparent;
  border-color:var(--line);
  color:var(--ink);
}
.btn-outline:hover{border-color:var(--accent);background:var(--accent-soft);}
.btn-accent{
  background:var(--accent);
  color:#062019;
}
.btn-accent:hover{background:#27A18B;}
.btn-sm{font-size:13px;padding:9px 14px;min-height:38px;}
.link-quiet{
  font-size:13.5px;
  color:var(--ink-2);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.link-quiet:hover{color:var(--accent);border-color:var(--accent);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:17px;
  cursor:pointer;
  margin-left:auto;
  transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle:hover{border-color:var(--accent);background:var(--accent-soft);}

@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    display:none;
    width:100%;
    margin-left:0;
  }
  .site-header.is-open .nav-links{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:8px;
    padding-top:12px;
    border-top:1px solid var(--line);
    margin-top:12px;
  }
  .nav-item{padding:10px 12px;}
  .nav-item__desc{font-size:11px;}
  .nav-actions{
    display:none;
    width:100%;
    gap:10px;
    padding-top:12px;
    border-top:1px solid var(--line);
  }
  .site-header.is-open .nav-actions{display:flex;flex-wrap:wrap;}
  .nav-actions .btn{flex:1 1 140px;}
}
@media (max-width:519px){
  .nav-item__desc{display:none;}
  .nav-item__name{font-size:13px;}
}

/* ---------- 通用区块 ---------- */
main{display:block;}
.section{padding:56px 0;}
@media (min-width:768px){ .section{padding:80px 0;} }
@media (min-width:1024px){ .section{padding:96px 0;} }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ink-2);
  background:var(--accent-soft);
  border:1px solid #CDE9E2;
  border-radius:999px;
  padding:5px 13px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(24px,2.8vw,34px);
  line-height:1.35;
}
.section-head p{
  color:var(--text-2);
  font-size:15px;
  max-width:520px;
  margin-top:10px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--text-2);
  flex-wrap:wrap;
  margin-bottom:22px;
}
.breadcrumb a{
  color:var(--text-2);
  transition:color .18s ease;
}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text);}

/* ---------- Hero ---------- */
.hero{padding:20px 0 0;}
.hero__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
.hero__title{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  margin-bottom:16px;
}
.hero__title em{
  font-style:normal;
  color:var(--accent);
  box-shadow:inset 0 -.32em 0 var(--accent-soft);
}
.hero__lead{
  color:var(--text-2);
  font-size:16px;
  max-width:540px;
}
.hero__lead strong{color:var(--ink);font-weight:600;}
.hero__badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:22px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--ink-2);
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:999px;
  padding:5px 12px;
}
.chip i{color:var(--accent);font-size:11px;}
.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.hero__media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink);
  aspect-ratio:16/11;
}
.hero__media img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.92;
}
.hero__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,32,28,.05) 0%,rgba(16,32,28,.62) 100%);
}
.hero__float{
  position:absolute;
  left:16px;right:16px;bottom:16px;
  z-index:2;
  background:#FFFFFF;
  border-radius:var(--radius-md);
  padding:13px 15px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:12.5px;
  color:var(--text-2);
  box-shadow:0 12px 26px -18px rgba(16,32,28,.6);
}
.hero__float span.step-num{
  font-family:var(--font-serif);
  font-size:16px;
  font-weight:700;
  color:var(--accent);
  flex:0 0 auto;
}
.hero__float span.step-text{line-height:1.55;}
@media (min-width:1024px){
  .hero__grid{grid-template-columns:7fr 5fr;gap:48px;}
}

/* ---------- 图文交替块 ---------- */
.feature-block{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
  padding:32px 0;
  border-top:1px solid var(--line);
}
.feature-block:first-of-type{border-top:0;padding-top:0;}
.feature-block__media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  aspect-ratio:16/10;
  transition:border-color .2s ease,transform .2s ease;
}
.feature-block__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .2s ease;
}
.feature-block:hover .feature-block__media{border-color:var(--accent);}
.feature-block:hover .feature-block__media img{transform:scale(1.03);}
.feature-block__no{
  font-family:var(--font-serif);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--text-3);
  display:block;
  margin-bottom:10px;
}
.feature-block h2{
  font-size:clamp(21px,2.3vw,28px);
  line-height:1.4;
  margin-bottom:12px;
}
.feature-block p{
  color:var(--text-2);
  font-size:15.5px;
  margin-bottom:14px;
}
.dotted-list{
  display:grid;
  gap:8px;
  margin:0 0 16px;
}
.dotted-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--text-2);
}
.dotted-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
  opacity:.85;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:11px;color:var(--ink);}
@media (min-width:1024px){
  .feature-block{grid-template-columns:1fr 1fr;gap:56px;padding:44px 0;}
  .feature-block.is-reverse .feature-block__media{order:2;}
}

/* ---------- 小特性卡 2×2 ---------- */
.mini-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.mini-card:hover{
  border-color:var(--accent);
  transform:translateY(-2px);
  box-shadow:var(--shadow-card);
}
.mini-card__icon{
  width:42px;height:42px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--ink-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  margin-bottom:14px;
}
.mini-card h3{
  font-size:18px;
  line-height:1.5;
  margin-bottom:8px;
}
.mini-card p{
  font-size:14.5px;
  color:var(--text-2);
}
@media (min-width:640px){
  .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}

/* ---------- 适配说明条 ---------- */
.env-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:28px;
}
.env-panel__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:22px;
}
.env-panel__head h2{font-size:clamp(22px,2.4vw,28px);}
.env-panel__head span{font-size:13px;color:var(--text-2);}
.env-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
.env-item{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px;
}
.env-item .num{
  font-family:var(--font-serif);
  font-size:28px;
  font-weight:700;
  line-height:1.1;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:6px;
}
.env-item .num small{
  font-size:13px;
  font-family:var(--font-sans);
  color:var(--text-2);
  font-weight:500;
  margin-left:4px;
}
.env-item .cap{
  font-size:13px;
  color:var(--text-2);
}
@media (min-width:640px){
  .env-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .env-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--ink);
  border-radius:var(--radius-xl);
  padding:36px 28px;
  border:1px solid rgba(255,255,255,.08);
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
  align-items:center;
}
.cta-panel h2{
  color:#F2F1EC;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.35;
  margin-bottom:12px;
}
.cta-panel p{
  color:#A9B6B2;
  font-size:14.5px;
  max-width:460px;
}
.cta-panel__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.cta-panel .btn-outline-light{
  background:transparent;
  border:1px solid rgba(255,255,255,.24);
  color:#F2F1EC;
}
.cta-panel .btn-outline-light:hover{
  border-color:var(--accent);
  color:var(--accent);
}
@media (min-width:1024px){
  .cta-panel{grid-template-columns:7fr 5fr;padding:48px;}
  .cta-panel__actions{justify-content:flex-end;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#A9B6B2;
  margin-top:56px;
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand__mark{
  background:#1C3A33;
  color:#E9F3F0;
  border:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand__main{color:#F2F1EC;}
.footer-brand .brand__sub{color:#8FA09B;}
.footer-about{
  font-size:14px;
  color:#A9B6B2;
  max-width:320px;
  margin-bottom:16px;
}
.footer-contact{
  font-size:13px;
  color:#8FA09B;
  line-height:1.9;
}
.footer-contact span{color:#DDE6E3;}
.footer-col h4{
  color:#F2F1EC;
  font-family:var(--font-sans);
  font-size:13px;
  letter-spacing:.08em;
  font-weight:600;
  margin-bottom:14px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:13.5px;
  color:#A9B6B2;
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12.5px;
  color:#8FA09B;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category2 */
:root{
  --ink:#10201C;
  --ink-2:#1C3A33;
  --accent:#2FB49B;
  --accent-soft:#E4F4F0;
  --warn:#E4703A;
  --bg:#F5F4EF;
  --surface:#FFFFFF;
  --line:#E2DFD6;
  --text:#2A2E2C;
  --text-2:#6B7370;
  --text-3:#9AA29E;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --shadow-hover:0 10px 28px -14px rgba(16,32,28,.07);
  --font-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-serif);
  font-weight:600;
  letter-spacing:-.5px;
  color:var(--ink);
}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent-soft);color:var(--ink)}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 48px}}

/* ============ 顶部细条 ============ */
.topbar{background:var(--ink);color:#A9B6B2;font-size:12.5px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar__note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.02em}
.topbar__link{
  color:#E4F4F0;display:inline-flex;align-items:center;gap:6px;
  white-space:nowrap;transition:color .2s ease;
}
.topbar__link:hover{color:#fff}
@media (max-width:639px){.topbar__link{display:none}}

/* ============ 卡片化导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  padding:16px 0 8px;
  transition:padding .24s ease;
}
.header-card{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:12px 16px;
  transition:padding .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.site-header.is-condensed{padding:8px 0 6px}
.site-header.is-condensed .header-card{
  padding:7px 14px;
  box-shadow:0 8px 22px -16px rgba(16,32,28,.4);
}
.site-header.is-condensed .nav-item__desc{display:none}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding-right:14px;
  border-right:1px dashed var(--line);
}
.brand__mark{
  width:38px;height:38px;
  border-radius:var(--r-md);
  background:var(--ink);
  color:#E4F4F0;
  display:grid;place-items:center;
  font-family:var(--font-serif);
  font-size:18px;
  border:1px solid var(--ink-2);
  flex:0 0 auto;
}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__main{font-family:var(--font-serif);font-size:16px;color:var(--ink);letter-spacing:.02em}
.brand__sub{font-size:11px;color:var(--text-2);letter-spacing:.16em}

.nav-links{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:8px;
  flex:1 1 auto;
  min-width:0;
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  min-width:0;
  transition:background .2s ease,border-color .2s ease;
}
.nav-item i{font-size:15px;color:var(--text-2);flex:0 0 auto;transition:color .2s ease}
.nav-item__body{display:flex;flex-direction:column;min-width:0;line-height:1.35}
.nav-item__name{font-size:13.5px;font-weight:600;color:var(--ink);white-space:nowrap}
.nav-item__desc{
  font-size:10.5px;
  color:var(--text-3);
  letter-spacing:.02em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.nav-item:hover{background:var(--accent-soft);border-color:rgba(47,180,155,.28)}
.nav-item:hover i{color:var(--accent)}
.nav-item.is-active{background:var(--accent-soft);border-color:rgba(47,180,155,.35)}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent);
}
.nav-item.is-active i{color:var(--accent)}
.nav-item.is-active .nav-item__name{color:var(--ink-2)}

.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.text-link{
  font-size:13px;
  color:var(--text-2);
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 20px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  letter-spacing:.01em;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn--primary{background:var(--ink);color:#F2F1EC;border-color:var(--ink)}
.btn--primary:hover{background:var(--accent);border-color:var(--accent);color:#08231D}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--ink-2)}
.btn--accent{background:var(--accent);color:#08231D;border-color:var(--accent)}
.btn--accent:hover{background:#28A08A;border-color:#28A08A}
.btn--light{background:#F2F1EC;color:var(--ink);border-color:#F2F1EC}
.btn--light:hover{background:var(--accent);border-color:var(--accent);color:#08231D}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.28);color:#F2F1EC}
.btn--outline-light:hover{border-color:var(--accent);color:#9FE3D5}
.btn:active{transform:translateY(1px)}
.btn.is-disabled,.btn[disabled]{opacity:.45;pointer-events:none}

.nav-toggle{
  display:none;
  align-items:center;justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  color:var(--ink);
  margin-left:auto;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--accent-soft);border-color:var(--accent)}

.mobile-panel{
  display:none;
  margin-top:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:14px;
  box-shadow:var(--shadow-hover);
}
.mobile-panel.is-open{display:block}
.mobile-panel nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-panel .nav-item{border:1px solid var(--line);background:#FBFBF8;padding:10px}
.mobile-panel__actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}

@media (max-width:1159px){
  .nav-item__desc{display:none}
}
@media (max-width:1079px){
  .nav-links{display:none}
  .header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .site-header.is-condensed .nav-item__desc{display:block}
}
@media (max-width:520px){
  .brand{padding-right:10px;border-right:0}
  .brand__main{font-size:15px}
  .mobile-panel nav{grid-template-columns:1fr}
  .mobile-panel__actions{grid-template-columns:1fr}
}

/* ============ 首屏 ============ */
.page-hero{padding:44px 0 8px}
@media (min-width:768px){.page-hero{padding:56px 0 12px}}
@media (min-width:1024px){.page-hero{padding:64px 0 16px}}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;color:var(--text-2);margin-bottom:22px;
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text)}

.hero-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.35fr .65fr;gap:44px;align-items:start}
}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);
  background:var(--accent-soft);
  border:1px solid rgba(47,180,155,.4);
  border-radius:999px;
  padding:5px 13px;
}
.hero-title{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  margin:18px 0 14px;
  max-width:22ch;
}
.hero-lead{
  font-size:16.5px;
  color:var(--text-2);
  line-height:1.85;
  max-width:46ch;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.badge{
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-2);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 13px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

.status-card{
  background:var(--ink);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-xl);
  padding:24px;
  color:#F2F1EC;
}
.status-card__label{
  display:inline-block;
  font-size:11px;
  letter-spacing:.18em;
  color:#9FE3D5;
  margin-bottom:10px;
}
.status-card h2{color:#F2F1EC;font-size:18px;line-height:1.5}
.status-list{margin-top:14px}
.status-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;
  font-size:13.5px;
  line-height:1.7;
  color:#C9D5D1;
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.status-list li:last-child{border-bottom:0}
.status-list i{color:var(--accent);font-size:13px;margin-top:5px}
.status-card .btn{width:100%;margin-top:16px}
.status-card__foot{font-size:12px;color:#8FA09B;margin-top:12px;line-height:1.7}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:80px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section--tight{padding:44px 0}
@media (min-width:768px){.section--tight{padding:56px 0}}

.section-label{
  display:block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--accent);
  margin-bottom:10px;
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:30px;
}
.section-head h2{font-size:clamp(24px,2.8vw,34px);line-height:1.35}
.section-head p{font-size:14.5px;color:var(--text-2);margin-top:8px;max-width:54ch;line-height:1.85}

/* ============ 非对称卡阵 ============ */
.matrix{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:768px){
  .matrix{grid-template-columns:1.05fr 1fr;align-items:stretch}
}
.card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{
  border-color:var(--accent);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.card--feature{display:flex;flex-direction:column;gap:14px}
@media (min-width:768px){.card--feature{grid-row:span 2}}
.card--span2{grid-column:1 / -1}
.card__icon{
  width:44px;height:44px;
  border-radius:var(--r-md);
  background:var(--accent-soft);
  color:var(--ink-2);
  display:grid;place-items:center;
  font-size:18px;
  border:1px solid rgba(47,180,155,.24);
}
.card h3{font-size:19px;line-height:1.5;margin-top:14px}
.card p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-top:8px}
.card__no{
  position:absolute;
  top:18px;right:20px;
  font-family:var(--font-serif);
  font-size:34px;
  font-weight:700;
  color:var(--ink);
  opacity:.08;
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.point-list{display:grid;gap:10px;margin-top:14px}
.point-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.75}
.point-list i{color:var(--accent);font-size:11px;margin-top:7px;flex:0 0 auto}
.card__figure{
  margin-top:auto;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
}
.card__figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .24s ease;
}
.card:hover .card__figure img{transform:scale(1.03)}
.card__foot{margin-top:14px;font-size:13px}
.card__foot a{
  color:var(--accent);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
.card__foot a:hover{border-bottom-color:var(--accent)}

/* ============ 自查清单 ============ */
.checklist-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:26px 22px;
}
@media (min-width:768px){.checklist-card{padding:36px 34px}}
.checklist{
  display:grid;
  gap:0;
  margin-top:22px;
}
@media (min-width:768px){
  .checklist{grid-template-columns:1fr 1fr;column-gap:36px}
}
.check-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:13px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  line-height:1.75;
  color:var(--text);
}
.check-item input{
  appearance:none;
  -webkit-appearance:none;
  width:18px;height:18px;
  margin:5px 0 0;
  flex:0 0 auto;
  border:1.5px solid var(--text-3);
  border-radius:4px;
  position:relative;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.check-item input:checked{background:var(--accent);border-color:var(--accent)}
.check-item input:checked::after{
  content:"";
  position:absolute;
  left:5px;top:1px;
  width:5px;height:9px;
  border:solid #fff;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.check-item input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.check-note{
  font-size:12.5px;
  color:var(--text-3);
  margin-top:18px;
  line-height:1.8;
}

/* ============ 深色提示条 ============ */
.alert-band{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:var(--ink);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-xl);
  padding:22px 26px;
}
.alert-band__text{
  display:flex;
  align-items:center;
  gap:12px;
  color:#F2F1EC;
  font-family:var(--font-serif);
  font-size:15.5px;
  line-height:1.7;
}
.alert-band__text i{color:var(--warn);font-size:16px}
.alert-band__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:#9FE3D5;
  border-bottom:1px solid rgba(159,227,213,.4);
  transition:color .2s ease,border-color .2s ease;
}
.alert-band__link:hover{color:#fff;border-bottom-color:#fff}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(47,180,155,.5)}
.faq-item.is-open{border-color:var(--accent)}
.faq-q{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  padding:17px 20px;
  text-align:left;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
  font-family:var(--font-sans);
}
.faq-q .idx{
  font-family:var(--font-serif);
  font-size:13px;
  color:var(--text-3);
  min-width:22px;
  font-variant-numeric:tabular-nums;
}
.faq-q .sign{
  margin-left:auto;
  color:var(--accent);
  font-size:14px;
  transition:transform .24s ease;
}
.faq-item.is-open .sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a__inner{
  padding:0 20px 20px 56px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
}
@media (max-width:520px){
  .faq-a__inner{padding-left:20px}
}

/* ============ 页尾 CTA ============ */
.cta-band{
  display:grid;
  gap:22px;
  background:var(--ink);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-xl);
  padding:32px 24px;
  overflow:hidden;
}
@media (min-width:768px){
  .cta-band{grid-template-columns:1.3fr .7fr;align-items:center;padding:44px 40px;gap:32px}
}
.cta-band h2{color:#F2F1EC;font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.cta-band p{color:#A9B6B2;font-size:14px;line-height:1.85;margin-top:10px;max-width:48ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn{flex:1 1 140px}
@media (min-width:768px){.cta-actions{justify-content:flex-end}}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#A9B6B2;
  margin-top:56px;
  padding:52px 0 24px;
  border-top:1px solid rgba(255,255,255,.08);
}
@media (min-width:1024px){.site-footer{margin-top:80px;padding:64px 0 26px}}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .brand__mark{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.16);
  color:#E4F4F0;
}
.site-footer .brand__main{color:#F2F1EC;font-size:16px}
.site-footer .brand__sub{color:#A9B6B2}
.footer-about{font-size:13.5px;line-height:1.85;max-width:34ch;color:#A9B6B2}
.footer-contact{font-size:12.5px;margin-top:16px;line-height:2;color:#8FA09B}
.footer-contact span{color:#C9D5D1}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:#E4F4F0;
  margin-bottom:14px;
}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:#A9B6B2;transition:color .2s ease}
.footer-col a:hover{color:#9FE3D5}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  margin-top:34px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;
  color:#8FA09B;
  line-height:1.8;
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}
@media (max-width:767px){
  .card:hover{transform:none}
  .card:hover .card__figure img{transform:none}
}

/* roulang page: category4 */
:root{
    --ink:#10201C;
    --ink-2:#1C3A33;
    --accent:#2FB49B;
    --accent-soft:#E4F4F0;
    --warn:#E4703A;
    --bg:#F5F4EF;
    --surface:#FFFFFF;
    --line:#E2DFD6;
    --text:#2A2E2C;
    --text-2:#6B7370;
    --text-3:#9AA29E;
    --radius-lg:16px;
    --radius-md:12px;
    --radius-pill:999px;
    --shadow-soft:rgba(16,32,28,.07) 0 10px 28px -14px;
    --shadow-strong:rgba(16,32,28,.16) 0 18px 40px -22px;
    --font-title:"Songti SC","Noto Serif SC",SimSun,serif;
    --font-body:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:var(--font-body);
    font-size:16px;
    line-height:1.9;
    color:var(--text);
    background-color:var(--bg);
    background-image:radial-gradient(rgba(16,32,28,.035) 1px, transparent 1px);
    background-size:22px 22px;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  h1,h2,h3,h4{margin:0;font-family:var(--font-title);font-weight:700;letter-spacing:-.5px;color:var(--ink);}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}

  .container{
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }

  /* ---------- 顶部细条 ---------- */
  .topbar{
    background:var(--ink);
    color:#B9C8C3;
    font-size:12px;
    letter-spacing:.02em;
  }
  .topbar .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    height:36px;
  }
  .topbar__note{
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .topbar__link{
    color:var(--accent-soft);
    transition:color .2s ease;
    white-space:nowrap;
  }
  .topbar__link:hover{color:var(--accent);}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    padding:16px 0 0;
  }
  .header-shell{
    position:relative;
    max-width:1200px;
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:16px;
    padding:12px 16px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:20px;
    transition:box-shadow .24s ease, padding .24s ease;
  }
  .site-header.is-scrolled .header-shell{
    box-shadow:var(--shadow-strong);
    padding:8px 16px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand__mark{
    width:40px;height:40px;
    display:flex;align-items:center;justify-content:center;
    background:var(--ink);
    color:var(--accent-soft);
    font-family:var(--font-title);
    font-size:20px;
    border-radius:12px;
    letter-spacing:0;
    flex-shrink:0;
  }
  .brand__text{
    display:flex;
    flex-direction:column;
    line-height:1.15;
  }
  .brand__main{
    font-family:var(--font-title);
    font-size:18px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:-.4px;
  }
  .brand__sub{
    font-size:11px;
    color:var(--text-2);
    letter-spacing:.14em;
    margin-top:3px;
  }

  .nav-links{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    flex:1;
    min-width:0;
  }
  .nav-item{
    display:flex;
    align-items:center;
    gap:8px;
    min-height:44px;
    padding:7px 12px;
    border-radius:12px;
    border:1px solid transparent;
    transition:background .2s ease, border-color .2s ease, transform .2s ease;
  }
  .nav-item i{
    font-size:15px;
    color:var(--text-3);
    transition:color .2s ease;
  }
  .nav-item__body{display:flex;flex-direction:column;line-height:1.2;}
  .nav-item__name{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;}
  .nav-item__desc{font-size:11px;color:var(--text-3);margin-top:3px;white-space:nowrap;}
  .nav-item:hover{background:var(--accent-soft);border-color:rgba(47,180,155,.28);}
  .nav-item:hover i{color:var(--accent);}
  .nav-item.is-active{
    background:var(--accent-soft);
    box-shadow:inset 3px 0 0 var(--accent);
  }
  .nav-item.is-active i{color:var(--accent);}
  .nav-item:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
  }
  .site-header.is-scrolled .nav-item__desc{display:none;}

  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:10px 20px;
    border-radius:12px;
    border:1px solid transparent;
    font-size:14px;
    font-weight:600;
    letter-spacing:.02em;
    transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
  }
  .btn--primary{
    background:var(--ink);
    color:#F2F1EC;
  }
  .btn--primary:hover{background:var(--accent);color:#08211B;}
  .btn--ghost{
    background:transparent;
    border-color:var(--line);
    color:var(--ink);
  }
  .btn--ghost:hover{border-color:var(--accent);color:var(--accent);}
  .btn--accent{
    background:var(--accent);
    color:#08211B;
  }
  .btn--accent:hover{background:#28A18B;color:#04100C;}
  .btn:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
  }
  .btn:active{transform:translateY(1px);}
  .btn-link{
    font-size:14px;
    font-weight:600;
    color:var(--ink);
    padding:10px 4px;
    border-bottom:1px solid transparent;
    transition:color .2s ease, border-color .2s ease;
  }
  .btn-link:hover{color:var(--accent);border-color:var(--accent);}
  .btn-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

  .nav-toggle{
    display:none;
    align-items:center;
    justify-content:center;
    width:44px;height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:var(--surface);
    color:var(--ink);
    font-size:17px;
  }
  .nav-toggle:hover{border-color:var(--accent);color:var(--accent);}
  .nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:12px;
    color:var(--text-2);
    padding-top:28px;
  }
  .breadcrumb a{color:var(--text-2);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--accent);}
  .breadcrumb span.sep{color:var(--text-3);}
  .breadcrumb .current{color:var(--text);font-weight:600;}

  /* ---------- Hero ---------- */
  .page-hero{padding:24px 0 0;}
  .hero-grid{
    display:grid;
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:32px;
    align-items:start;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:var(--radius-pill);
    border:1px solid var(--line);
    background:var(--surface);
    font-size:12px;
    letter-spacing:.08em;
    color:var(--text-2);
    margin-bottom:18px;
  }
  .eyebrow i{color:var(--accent);}
  .page-hero h1{
    font-size:clamp(30px,4vw,46px);
    line-height:1.25;
    margin-bottom:16px;
  }
  .lead{
    font-size:16px;
    line-height:1.9;
    color:var(--text-2);
    max-width:36em;
  }

  .search-bar{
    margin-top:26px;
    display:flex;
    gap:10px;
    padding:10px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-soft);
  }
  .search-bar i{
    align-self:center;
    color:var(--text-3);
    font-size:15px;
    padding-left:8px;
  }
  .search-input{
    flex:1;
    min-width:0;
    border:none;
    outline:none;
    background:transparent;
    font-size:15px;
    color:var(--text);
    font-family:inherit;
    padding:10px 4px;
  }
  .search-input::placeholder{color:var(--text-3);}
  .search-btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    min-height:44px;
    padding:0 22px;
    border:none;
    border-radius:12px;
    background:var(--accent);
    color:#08211B;
    font-size:14px;
    font-weight:700;
    transition:background .2s ease;
  }
  .search-btn:hover{background:#28A18B;}
  .search-btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}

  .chips{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:18px;
  }
  .chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    min-height:36px;
    padding:6px 16px;
    border-radius:var(--radius-pill);
    border:1px solid var(--line);
    background:var(--surface);
    font-size:13px;
    color:var(--text-2);
    transition:all .2s ease;
  }
  .chip:hover{border-color:var(--accent);color:var(--ink);}
  .chip.is-active{
    background:var(--accent-soft);
    border-color:rgba(47,180,155,.45);
    color:var(--ink-2);
    font-weight:600;
  }
  .chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  .hero-figure{
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--surface);
    box-shadow:var(--shadow-soft);
  }
  .hero-figure img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:transform .3s ease;
  }
  .hero-figure:hover img{transform:scale(1.03);}
  .hero-figure__tag{
    position:absolute;
    left:14px;top:14px;
    padding:5px 12px;
    border-radius:var(--radius-pill);
    background:rgba(16,32,28,.86);
    color:#E4F4F0;
    font-size:12px;
    letter-spacing:.06em;
  }
  .hero-figure__note{
    position:absolute;
    left:14px;right:14px;bottom:14px;
    padding:12px 14px;
    border-radius:12px;
    background:rgba(255,255,255,.95);
    border:1px solid var(--line);
    font-size:12.5px;
    line-height:1.7;
    color:var(--text-2);
  }
  .hero-figure__note strong{color:var(--ink);}

  /* ---------- 通用板块 ---------- */
  .section{padding:64px 0 0;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
    margin-bottom:28px;
  }
  .section-title{
    font-size:clamp(24px,2.8vw,34px);
    line-height:1.35;
  }
  .section-sub{
    font-size:14.5px;
    color:var(--text-2);
    margin-top:10px;
    max-width:44em;
  }

  /* ---------- 求助方式 ---------- */
  .path-grid{
    display:grid;
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:20px;
    align-items:stretch;
  }
  .path-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:28px;
    transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .path-card:hover{
    border-color:var(--accent);
    transform:translateY(-2px);
    box-shadow:var(--shadow-soft);
  }
  .path-card--wide{
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    gap:22px;
  }
  .path-card__num{
    font-family:var(--font-title);
    font-size:52px;
    line-height:1;
    color:rgba(16,32,28,.14);
    letter-spacing:-2px;
  }
  .path-card h3{
    font-size:20px;
    line-height:1.5;
    margin-top:10px;
  }
  .path-card p{
    font-size:14.5px;
    color:var(--text-2);
    margin-top:10px;
  }
  .path-steps{
    display:grid;
    gap:10px;
    margin-top:6px;
  }
  .path-steps li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    font-size:14px;
    color:var(--text);
    padding-bottom:10px;
    border-bottom:1px dashed var(--line);
  }
  .path-steps li:last-child{border-bottom:none;padding-bottom:0;}
  .path-steps i{
    color:var(--accent);
    font-size:13px;
    margin-top:6px;
    flex-shrink:0;
  }
  .path-side{
    display:grid;
    gap:20px;
    grid-template-rows:auto auto;
  }
  .mini-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:22px;
    transition:border-color .2s ease, transform .2s ease;
  }
  .mini-card:hover{border-color:var(--accent);transform:translateY(-2px);}
  .mini-card h3{
    font-size:17px;
    line-height:1.5;
    margin-bottom:8px;
  }
  .mini-card p{font-size:14px;color:var(--text-2);}
  .mini-card__icon{
    width:38px;height:38px;
    display:flex;align-items:center;justify-content:center;
    border-radius:12px;
    background:var(--accent-soft);
    color:var(--ink-2);
    font-size:15px;
    margin-bottom:14px;
  }
  .mini-card__meta{
    display:flex;
    align-items:baseline;
    gap:6px;
    margin-top:14px;
    font-size:12px;
    color:var(--text-3);
  }
  .mini-card__meta strong{
    font-size:22px;
    font-weight:700;
    color:var(--ink);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.5px;
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:840px;margin:0 auto;}
  .faq-group + .faq-group{margin-top:36px;}
  .group-title{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:13px;
    letter-spacing:.1em;
    color:var(--text-2);
    font-weight:600;
    font-family:var(--font-body);
    padding-bottom:12px;
    border-bottom:1px solid var(--line);
    margin-bottom:14px;
  }
  .group-title::before{
    content:"";
    width:8px;height:8px;
    border-radius:2px;
    background:var(--accent);
    flex-shrink:0;
  }
  .faq-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s ease;
  }
  .faq-item:hover{border-color:rgba(47,180,155,.6);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    gap:14px;
    text-align:left;
    padding:18px 20px;
    background:transparent;
    border:none;
    font-family:inherit;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    line-height:1.6;
    min-height:44px;
  }
  .faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
  .faq-q__idx{
    font-family:var(--font-title);
    font-size:13px;
    color:var(--text-3);
    flex-shrink:0;
    font-variant-numeric:tabular-nums;
  }
  .faq-q__text{flex:1;min-width:0;}
  .faq-icon{
    flex-shrink:0;
    width:24px;height:24px;
    display:flex;align-items:center;justify-content:center;
    border-radius:50%;
    border:1px solid var(--line);
    color:var(--text-2);
    font-size:11px;
    transition:transform .24s ease, background .24s ease, color .24s ease, border-color .24s ease;
  }
  .faq-q[aria-expanded="true"] .faq-icon{
    background:var(--accent);
    border-color:var(--accent);
    color:#08211B;
    transform:rotate(180deg);
  }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .24s ease;
  }
  .faq-a__inner{
    padding:0 20px 20px 50px;
    font-size:15px;
    line-height:1.85;
    color:var(--text-2);
  }

  /* ---------- 深色联系卡 ---------- */
  .contact-card{
    background:var(--ink);
    border-radius:20px;
    padding:38px 34px;
    color:#F2F1EC;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    display:grid;
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:32px;
    align-items:center;
  }
  .contact-card h2{
    color:#F2F1EC;
    font-size:clamp(22px,2.6vw,30px);
    line-height:1.4;
  }
  .contact-card p{
    margin-top:14px;
    font-size:14.5px;
    color:#A9B6B2;
    line-height:1.85;
    max-width:34em;
  }
  .contact-side{
    border-left:1px solid rgba(255,255,255,.12);
    padding-left:28px;
    display:grid;
    gap:14px;
  }
  .contact-side__row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:13.5px;
    color:#A9B6B2;
  }
  .contact-side__row strong{
    color:#F2F1EC;
    font-weight:600;
    font-variant-numeric:tabular-nums;
  }
  .contact-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:22px;
  }
  .btn--light{
    background:#F2F1EC;
    color:var(--ink);
  }
  .btn--light:hover{background:var(--accent);color:#08211B;}
  .btn--outline-light{
    background:transparent;
    border-color:rgba(255,255,255,.28);
    color:#F2F1EC;
  }
  .btn--outline-light:hover{border-color:var(--accent);color:var(--accent);}

  /* ---------- 底部 CTA 条 ---------- */
  .cta-strip{
    margin-top:64px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:20px;
    padding:30px 32px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
    box-shadow:var(--shadow-soft);
  }
  .cta-strip h2{
    font-size:clamp(20px,2.4vw,26px);
    line-height:1.4;
  }
  .cta-strip p{
    font-size:14px;
    color:var(--text-2);
    margin-top:8px;
  }
  .cta-strip__actions{
    display:flex;
    gap:12px;
    flex-wrap:wrap;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:80px;
    background:var(--ink);
    color:#A9B6B2;
    padding:56px 0 28px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:minmax(0,1.4fr) repeat(3, minmax(0,1fr));
    gap:36px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:16px;
  }
  .footer-brand .brand__mark{
    background:rgba(255,255,255,.08);
    color:var(--accent-soft);
  }
  .footer-brand .brand__main{color:#F2F1EC;}
  .footer-brand .brand__sub{color:#8FA29C;}
  .footer-about{
    font-size:13.5px;
    line-height:1.85;
    color:#A9B6B2;
    max-width:26em;
  }
  .footer-contact{
    margin-top:16px;
    font-size:13px;
    line-height:2;
    color:#8FA29C;
  }
  .footer-contact span{color:#DCE7E3;}
  .footer-col h4{
    font-family:var(--font-body);
    font-size:13px;
    letter-spacing:.08em;
    color:#DCE7E3;
    font-weight:600;
    margin-bottom:16px;
  }
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{
    font-size:13.5px;
    color:#A9B6B2;
    transition:color .2s ease;
  }
  .footer-col a:hover{color:var(--accent);}
  .footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
  .footer-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:12px;
    color:#8FA29C;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-toggle{display:inline-flex;}
    .nav-links{
      display:none;
      position:absolute;
      left:0;right:0;
      top:calc(100% + 10px);
      flex-direction:column;
      align-items:stretch;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:16px;
      padding:12px;
      box-shadow:var(--shadow-strong);
      gap:4px;
    }
    .nav-links.is-open{display:flex;}
    .nav-item{width:100%;}
    .header-shell{flex-wrap:nowrap;justify-content:space-between;}
    .header-actions .btn--primary{display:none;}
    .hero-grid{grid-template-columns:1fr;}
    .path-grid{grid-template-columns:1fr;}
    .contact-card{grid-template-columns:1fr;gap:24px;}
    .contact-side{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid > div:first-child{grid-column:1 / -1;}
  }
  @media (max-width:767px){
    body{font-size:15px;}
    .section{padding-top:48px;}
    .page-hero{padding-top:18px;}
    .path-card,.mini-card{padding:22px;}
    .search-bar{flex-wrap:wrap;}
    .search-bar i{display:none;}
    .search-input{width:100%;flex:1 1 100%;padding:10px 12px;border-bottom:1px solid var(--line);}
    .search-btn{width:100%;justify-content:center;}
    .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;}
    .chip{flex:0 0 auto;}
    .faq-a__inner{padding-left:20px;}
    .cta-strip{padding:24px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .brand__mark{width:36px;height:36px;font-size:18px;}
    .brand__main{font-size:16px;}
    .contact-card{padding:26px 22px;}
    .cta-strip__actions .btn{width:100%;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;}
  }