/* roulang page: index */
:root{
  --deep:#0E3B3A;
  --deep-soft:#7FA8A0;
  --coral:#E1633F;
  --paper:#F6F2EA;
  --card:#FFFFFF;
  --sub:#EFEAE0;
  --ink:#16211F;
  --ink-soft:#55605D;
  --invert:#F3EFE6;
  --line:rgba(14,59,58,.12);
  --radius-card:14px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(14,59,58,.06),0 14px 30px -22px rgba(14,59,58,.22);
  --shadow-2:0 2px 4px rgba(14,59,58,.08),0 22px 40px -24px rgba(14,59,58,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:600;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.wrap{padding:0 32px;}}
@media(min-width:1024px){.wrap{padding:0 48px;}}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,242,234,.95);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
@media(min-width:1024px){.nav-inner{height:76px;}}
.brand{display:flex;flex-direction:column;line-height:1.15;font-weight:600;color:var(--deep);letter-spacing:.01em;}
.brand .brand-cn{font-size:17px;}
.brand .brand-en{font-size:11px;font-weight:500;letter-spacing:.24em;color:var(--ink-soft);margin-top:3px;}
.nav-links{display:none;}
@media(min-width:1024px){.nav-links{display:flex;align-items:center;gap:32px;}}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;letter-spacing:.02em;color:var(--ink);transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--coral);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--deep);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--deep);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;background:transparent;border:0;cursor:pointer;
}
@media(min-width:1024px){.nav-toggle{display:none;}}
.nav-toggle span{display:block;height:1.5px;background:var(--deep);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.drawer{
  position:fixed;inset:0;z-index:70;background:var(--paper);
  display:none;flex-direction:column;padding:20px;
}
.drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:64px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;background:transparent;border:0;font-size:26px;line-height:1;color:var(--deep);cursor:pointer;}
.drawer-nav{margin-top:12px;}
.drawer-nav a{
  display:block;padding:14px 2px;font-size:19px;color:var(--ink);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--deep);}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--sub);}
.section-line{border-top:1px solid var(--line);}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:36px;
}
@media(min-width:1024px){.sec-head{margin-bottom:48px;}}
.h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(23px,2.6vw,32px);line-height:1.35;color:var(--deep);letter-spacing:.01em;
}
.h2::before{
  content:"";width:26px;height:3px;border-radius:2px;background:var(--coral);flex:none;
}
.sec-sub{margin-top:12px;font-size:15px;line-height:1.75;color:var(--ink-soft);max-width:640px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--deep);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.text-link span{transition:transform .2s var(--ease);}
.text-link:hover{border-color:var(--deep);}
.text-link:hover span{transform:translateX(4px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--deep);color:var(--invert);}
.btn-primary:hover{background:var(--coral);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;border-color:rgba(14,59,58,.30);color:var(--deep);}
.btn-ghost:hover{background:var(--sub);border-color:var(--deep);transform:translateY(-2px);}
.btn-light{background:var(--invert);color:var(--deep);}
.btn-light:hover{background:#FFFFFF;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:36px 0 56px;overflow:hidden;}
@media(min-width:1024px){.hero{padding:48px 0 88px;}}
.hero-grid{display:grid;gap:36px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:5fr 7fr;gap:52px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--sub);
  font-size:12px;letter-spacing:.08em;color:var(--deep);font-weight:600;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:block;}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.28;letter-spacing:.01em;color:var(--deep);
}
.hero-lead{
  margin-top:18px;font-size:16px;line-height:1.85;color:var(--ink-soft);max-width:520px;
}
.hero-points{display:flex;flex-wrap:wrap;margin-top:34px;}
.hero-points > div{padding:0 20px;border-left:1px solid var(--line);}
.hero-points > div:first-child{padding-left:0;border-left:0;}
.hero-points strong{display:block;font-size:22px;color:var(--deep);line-height:1.3;}
.hero-points span{display:block;font-size:12px;letter-spacing:.06em;color:var(--ink-soft);margin-top:2px;}
.hero-media{position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--shadow-1);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(14,59,58,.12);}
.hero-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(243,239,230,.94);color:var(--deep);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:block;}
.wave{position:absolute;right:-40px;bottom:-10px;width:420px;opacity:.9;pointer-events:none;}
@media(max-width:767px){.wave{display:none;}}

/* ---------- 序号条目 ---------- */
.num-list{border-top:1px solid var(--line);}
.num-item{
  display:grid;grid-template-columns:48px 1fr;gap:16px;
  padding:24px 0;border-bottom:1px solid var(--line);
}
@media(min-width:768px){.num-item{grid-template-columns:64px 1fr;gap:24px;align-items:start;}}
.num-item .num{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--coral);padding-top:4px;}
.num-item h3{font-size:18px;color:var(--ink);margin-bottom:6px;}
.num-item p{font-size:14px;line-height:1.75;color:var(--ink-soft);max-width:720px;}

/* ---------- 图文交替 ---------- */
.split{display:grid;gap:28px;align-items:center;}
@media(min-width:1024px){.split{grid-template-columns:6fr 6fr;gap:56px;}}
.split + .split{margin-top:56px;}
@media(min-width:1024px){.split + .split{margin-top:88px;}}
.split.reverse .split-media{order:-1;}
.split-media{border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--shadow-1);}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.split-media:hover img{transform:scale(1.03);}
.split-body h3{font-size:clamp(19px,2vw,22px);color:var(--deep);line-height:1.4;}
.split-body p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-soft);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:var(--sub);color:var(--deep);font-size:12px;letter-spacing:.03em;
}
.section-alt .tag{background:rgba(255,255,255,.75);}

/* ---------- 数据 ---------- */
.stats{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);gap:32px;}}
.stat{padding-left:18px;border-left:2px solid var(--deep-soft);}
.stat strong{display:block;font-size:clamp(26px,3vw,34px);line-height:1.25;color:var(--deep);}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-soft);line-height:1.7;}
.note{margin-top:24px;font-size:12px;color:var(--ink-soft);letter-spacing:.02em;}
.evidence{
  display:grid;gap:0;margin-top:40px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--card);
}
@media(min-width:1024px){.evidence{grid-template-columns:5fr 7fr;align-items:stretch;}}
.evidence img{width:100%;height:100%;min-height:200px;object-fit:cover;}
.evidence-body{padding:28px;display:flex;flex-direction:column;justify-content:center;}
.evidence-body h3{font-size:18px;color:var(--deep);}
.evidence-body p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--ink-soft);}

/* ---------- 证言 ---------- */
.quote-lead{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);
}
@media(min-width:1024px){.quote-lead{padding:44px;}}
.quote-lead .mark{font-size:52px;line-height:.8;color:var(--coral);font-weight:600;}
.quote-lead blockquote{
  margin:14px 0 0;font-size:clamp(19px,2.2vw,25px);line-height:1.65;color:var(--deep);font-weight:600;
}
.quote-lead cite{display:block;margin-top:20px;font-style:normal;font-size:13px;color:var(--ink-soft);letter-spacing:.04em;}
.quote-grid{display:grid;gap:24px;margin-top:24px;}
@media(min-width:768px){.quote-grid{grid-template-columns:1fr 1fr;gap:28px;}}
.quote-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.quote-card p{font-size:15px;line-height:1.85;color:var(--ink);}
.quote-card cite{display:block;margin-top:16px;font-style:normal;font-size:12px;color:var(--ink-soft);letter-spacing:.04em;}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;gap:24px;}
@media(min-width:640px){.card-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:32px;}}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,58,.22);}
.card-media{display:block;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;background:var(--sub);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding-top:16px;display:flex;flex-direction:column;flex:1;}
.badge{
  align-self:flex-start;display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;background:var(--sub);
  font-size:12px;letter-spacing:.03em;color:var(--deep);font-weight:600;
}
.card h3{margin-top:12px;font-size:18px;line-height:1.5;color:var(--ink);transition:color .2s var(--ease);}
.card:hover h3{color:var(--deep);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card p.excerpt{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-soft);}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-soft);letter-spacing:.02em;
}
.card-foot .read{font-size:13px;font-weight:600;color:var(--deep);}
.card-foot .read:hover{color:var(--coral);}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:180px;gap:10px;padding:32px;text-align:center;
  border:1px dashed rgba(14,59,58,.28);border-radius:var(--radius-card);background:rgba(255,255,255,.5);
}
.empty-state svg{color:var(--deep-soft);}
.empty-state p{font-size:14px;color:var(--ink-soft);}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--deep);}
.faq-icon{position:relative;width:18px;height:18px;flex:none;transition:transform .22s var(--ease);color:var(--deep);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px;}
.faq-icon::after{left:8px;top:0;width:1.5px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--coral);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--ink-soft);max-width:820px;}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;background:var(--deep);color:var(--invert);
  padding:56px 0;
}
@media(min-width:1024px){.cta{padding:80px 0;}}
.cta-inner{display:grid;gap:28px;align-items:center;position:relative;z-index:2;}
@media(min-width:1024px){.cta-inner{grid-template-columns:7fr 5fr;gap:48px;}}
.cta h2{font-size:clamp(23px,2.6vw,32px);line-height:1.35;color:var(--invert);}
.cta p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(243,239,230,.82);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media(min-width:1024px){.cta-actions{justify-content:flex-end;}}
.cta .wave{right:-60px;top:-30px;bottom:auto;opacity:.45;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:var(--invert);padding:56px 0 28px;}
@media(min-width:1024px){.site-footer{padding:72px 0 32px;}}
.foot-grid{display:grid;gap:36px;}
@media(min-width:768px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media(min-width:1024px){.foot-grid{grid-template-columns:5fr 3fr 4fr;gap:48px;}}
.foot-brand .brand{color:var(--invert);}
.foot-brand .brand .brand-en{color:rgba(243,239,230,.62);}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(243,239,230,.72);max-width:340px;}
.foot-title{font-size:13px;letter-spacing:.14em;color:rgba(243,239,230,.6);margin-bottom:16px;}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;}
.foot-links a{font-size:14px;color:rgba(243,239,230,.88);transition:color .2s var(--ease);}
.foot-links a:hover{color:var(--coral);}
.foot-contact li{font-size:14px;color:rgba(243,239,230,.85);line-height:1.9;}
.foot-contact span{color:rgba(243,239,230,.55);margin-right:8px;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(243,239,230,.16);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:12px;color:rgba(243,239,230,.62);letter-spacing:.02em;
}

/* roulang page: article */
:root{
  --ink:#0E3B3A;
  --ink-soft:#7FA8A0;
  --coral:#E1633F;
  --paper:#F6F2EA;
  --paper-2:#EFEAE0;
  --white:#FFFFFF;
  --text:#16211F;
  --muted:#55605D;
  --inv:#F3EFE6;
  --line:rgba(14,59,58,.12);
  --line-inv:rgba(243,239,230,.16);
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(14,59,58,.06),0 14px 30px -22px rgba(14,59,58,.22);
  --shadow-2:0 2px 4px rgba(14,59,58,.08),0 22px 42px -24px rgba(14,59,58,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:640px){.wrap{padding:0 32px;}}
@media (min-width:1024px){.wrap{padding:0 48px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,242,234,.94);
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
@media (min-width:1024px){.header-inner{height:76px;}}
.brand{display:flex;flex-direction:column;line-height:1.15;color:var(--ink);}
.brand-cn{font-size:19px;font-weight:600;letter-spacing:.02em;}
.brand-en{font-size:11px;letter-spacing:.22em;color:var(--muted);margin-top:3px;}
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:30px;}
  .nav-links a{
    position:relative;font-size:15px;letter-spacing:.02em;color:var(--text);
    padding:8px 0;transition:color .2s var(--ease);white-space:nowrap;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
    background:var(--coral);transition:width .22s var(--ease);
  }
  .nav-links a:hover{color:var(--ink);}
  .nav-links a:hover::after{width:100%;}
  .nav-links a.is-active{color:var(--ink);font-weight:600;}
  .nav-links a.is-active::after{width:22px;}
}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:6px;
  width:44px;height:44px;padding:0 10px;border:1px solid var(--line);
  border-radius:999px;background:transparent;transition:border-color .2s var(--ease);
}
.nav-toggle span{display:block;height:1.5px;width:100%;background:var(--ink);border-radius:2px;transition:background .2s var(--ease);}
.nav-toggle:hover{border-color:rgba(14,59,58,.4);}
@media (min-width:1024px){.nav-toggle{display:none;}}

.mobile-drawer{
  position:fixed;inset:0;z-index:80;display:none;flex-direction:column;
  background:var(--paper);padding:20px 20px 32px;
}
.mobile-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:64px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:999px;
  background:transparent;color:var(--ink);font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:border-color .2s var(--ease);
}
.drawer-close:hover{border-color:rgba(14,59,58,.45);}
.drawer-links{margin-top:18px;display:flex;flex-direction:column;}
.drawer-links a{
  font-size:19px;line-height:44px;color:var(--text);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease);
}
.drawer-links a:hover{color:var(--coral);}
.drawer-links a.is-active{color:var(--ink);font-weight:600;}
.drawer-note{margin-top:auto;padding-top:24px;font-size:13px;color:var(--muted);}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:var(--ink-soft);}
.crumb .now{color:var(--text);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article head ---------- */
.article-head{padding:28px 0 0;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:999px;background:var(--paper-2);color:var(--ink);
  font-size:12px;letter-spacing:.06em;
}
.article-h1{
  margin-top:18px;
  font-size:clamp(28px,4.2vw,44px);
  font-weight:600;line-height:1.3;letter-spacing:.01em;color:var(--ink);
  max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:13px;color:var(--muted);}
.meta-row .vline{width:1px;height:12px;background:var(--line);}
.head-rule{margin-top:24px;height:1px;background:var(--line);}

/* ---------- article body ---------- */
.article-shell{padding:36px 0 0;}
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--text);
}
.article-body > * + *{margin-top:1.1em;}
.article-body p{font-size:17px;line-height:1.9;}
.article-body h2{
  position:relative;margin-top:40px;margin-bottom:14px;padding-left:20px;
  font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;
  border-radius:999px;background:var(--coral);
}
.article-body h3{
  margin-top:28px;margin-bottom:10px;font-size:19px;font-weight:600;line-height:1.5;color:var(--ink);
}
.article-body h4{margin-top:22px;margin-bottom:8px;font-size:17px;font-weight:600;color:var(--ink);}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .2s var(--ease);}
.article-body a:hover{color:var(--coral);}
.article-body ul,.article-body ol{padding-left:22px;}
.article-body ul li{position:relative;padding-left:16px;margin-top:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.85em;width:6px;height:6px;border-radius:999px;background:var(--ink-soft);
}
.article-body ol{list-style:decimal;color:var(--text);}
.article-body ol li{margin-top:8px;padding-left:4px;}
.article-body ol li::marker{color:var(--coral);font-weight:600;}
.article-body blockquote{
  margin:28px 0;padding:20px 22px;border-left:3px solid var(--coral);
  background:var(--paper-2);border-radius:0 var(--r-card) var(--r-card) 0;
  font-size:17px;line-height:1.85;color:var(--ink);
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:var(--r-img);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;}
.article-body th{background:var(--paper-2);color:var(--ink);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);line-height:1.7;}
.article-body tr:last-child td{border-bottom:none;}
.article-body code{background:var(--paper-2);padding:2px 6px;border-radius:6px;font-size:15px;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- empty state ---------- */
.empty-state{
  margin-top:8px;border:1px dashed rgba(14,59,58,.28);border-radius:var(--r-card);
  min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:32px 20px;text-align:center;background:rgba(255,255,255,.55);
}
.empty-state .dot-line{width:36px;height:1px;background:var(--ink-soft);}
.empty-state p{font-size:14px;color:var(--muted);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:500;
  border:1px solid transparent;transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--inv);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--coral);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;border-color:rgba(14,59,58,.3);color:var(--ink);}
.btn-ghost:hover{background:var(--paper-2);border-color:rgba(14,59,58,.75);}
.btn-light{background:var(--paper);color:var(--ink);}
.btn-light:hover{background:var(--coral);color:var(--inv);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-size:15px;font-weight:500;}
.link-more span.arrow{transition:transform .2s var(--ease);}
.link-more:hover{color:var(--coral);}
.link-more:hover span.arrow{transform:translateX(4px);}

/* ---------- section ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{max-width:720px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.18em;color:var(--ink-soft);}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--ink-soft);}
.h2{font-size:clamp(24px,3vw,32px);font-weight:600;line-height:1.35;color:var(--ink);margin-top:14px;}
.sub{font-size:15px;line-height:1.8;color:var(--muted);margin-top:12px;max-width:640px;}

/* ---------- related cards ---------- */
.card-grid{display:grid;gap:24px;margin-top:32px;grid-template-columns:1fr;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);gap:28px;}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:32px;}}
.post-card{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,58,.22);}
.post-card .thumb{overflow:hidden;border-radius:var(--r-img);aspect-ratio:16/10;background:var(--paper-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .tag{margin-top:16px;align-self:flex-start;}
.post-card h3{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);margin-top:12px;transition:color .2s var(--ease);}
.post-card:hover h3{color:var(--coral);}
.post-card p{font-size:14px;line-height:1.75;color:var(--muted);margin-top:8px;}
.post-card .card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);}

/* ---------- inline cta ---------- */
.cta-inline{
  margin-top:48px;border-top:1px solid var(--line);padding-top:24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.cta-inline p{font-size:14px;color:var(--muted);}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);color:var(--inv);border-radius:var(--r-card);
  padding:36px 24px;position:relative;overflow:hidden;
}
@media (min-width:1024px){.cta-band{padding:48px 56px;}}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:280px;height:280px;
  border-radius:50%;border:1px solid rgba(243,239,230,.10);
}
.cta-band::before{
  content:"";position:absolute;right:40px;bottom:-20px;width:180px;height:180px;
  border-radius:50%;border:1px solid rgba(243,239,230,.08);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:600;line-height:1.4;color:var(--inv);}
.cta-band p{font-size:14px;line-height:1.8;color:rgba(243,239,230,.75);margin-top:10px;max-width:520px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--inv);padding:56px 0 28px;margin-top:56px;}
@media (min-width:1024px){.site-footer{padding:72px 0 32px;margin-top:88px;}}
.foot-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:768px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr;gap:40px;}}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(243,239,230,.72);margin-top:16px;max-width:340px;}
.site-footer .brand{color:var(--inv);}
.site-footer .brand-en{color:rgba(243,239,230,.55);}
.foot-title{font-size:13px;letter-spacing:.16em;color:rgba(243,239,230,.55);margin-bottom:16px;}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;}
.foot-links a{font-size:14px;color:rgba(243,239,230,.86);transition:color .2s var(--ease);}
.foot-links a:hover{color:var(--coral);}
.foot-contact li{font-size:14px;color:rgba(243,239,230,.82);margin-bottom:10px;line-height:1.7;}
.foot-contact li span{display:inline-block;min-width:44px;color:rgba(243,239,230,.5);margin-right:8px;}
.foot-bottom{
  border-top:1px solid var(--line-inv);margin-top:36px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(243,239,230,.6);
}

/* roulang page: category1 */
:root{
    --ink:#0E3B3A;
    --ink-soft:#7FA8A0;
    --coral:#E1633F;
    --bg:#F6F2EA;
    --card:#FFFFFF;
    --sub:#EFEAE0;
    --text:#16211F;
    --muted:#55605D;
    --reverse:#F3EFE6;
    --line:rgba(14,59,58,0.12);
    --radius-card:14px;
    --radius-img:12px;
    --radius-field:10px;
    --shadow-1:0 1px 2px rgba(14,59,58,.06),0 14px 30px -22px rgba(14,59,58,.22);
    --shadow-2:0 2px 6px rgba(14,59,58,.08),0 24px 46px -26px rgba(14,59,58,.3);
    --ease:200ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  html body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  button,input,textarea,select{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}

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

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(246,242,234,.94);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:24px;min-height:64px;
  }
  @media (min-width:1024px){.header-inner{min-height:76px;}}
  .brand{display:inline-flex;flex-direction:column;line-height:1.16;gap:2px;}
  .brand-cn{font-size:19px;font-weight:600;letter-spacing:.03em;color:var(--ink);}
  .brand-en{font-size:12px;letter-spacing:.3em;color:var(--muted);}
  .nav-links{display:flex;align-items:center;gap:30px;}
  .nav-links a{
    position:relative;display:inline-block;
    font-size:15px;letter-spacing:.02em;color:var(--text);
    padding:6px 0;transition:color var(--ease);
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--coral);transition:width var(--ease);border-radius:2px;
  }
  .nav-links a:hover,.nav-links a:focus-visible{color:var(--ink);}
  .nav-links a:hover::after,.nav-links a:focus-visible::after{width:100%;}
  .nav-links a.is-active{color:var(--ink);font-weight:600;}
  .nav-links a.is-active::after{width:100%;}

  .nav-toggle{
    display:none;position:relative;z-index:60;
    width:44px;height:44px;padding:0;
    flex-direction:column;align-items:center;justify-content:center;gap:5px;
    background:transparent;border:1px solid var(--line);border-radius:12px;cursor:pointer;
    transition:border-color var(--ease),background var(--ease);
  }
  .nav-toggle:hover{border-color:rgba(14,59,58,.32);}
  .nav-toggle span{
    display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;
    transition:transform 200ms ease-out,opacity 200ms ease-out;
  }
  .nav-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
  .nav-toggle.is-open span:nth-child(2){opacity:0;}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

  @media (max-width:1023px){
    .nav-toggle{display:inline-flex;}
    .nav-links{
      position:fixed;inset:0;z-index:55;
      flex-direction:column;align-items:stretch;justify-content:flex-start;
      gap:0;padding:88px 24px 40px;
      background:var(--bg);
      transform:translateY(-12px);opacity:0;pointer-events:none;
      transition:opacity 200ms ease-out,transform 200ms ease-out;
    }
    .nav-links.is-open{opacity:1;transform:none;pointer-events:auto;}
    .nav-links a{
      font-size:19px;padding:16px 0;border-bottom:1px solid var(--line);width:100%;
    }
    .nav-links a::after{display:none;}
    .nav-links a.is-active{color:var(--ink);}
  }

  /* ---------- 分类标题带 ---------- */
  .band{
    position:relative;overflow:hidden;
    background:linear-gradient(180deg,#F1ECE2 0%,#F6F2EA 100%);
    border-bottom:1px solid var(--line);
    padding:44px 0 40px;
  }
  @media (min-width:1024px){.band{padding:56px 0 52px;}}
  .band::before,.band::after{
    content:"";position:absolute;border:1px solid rgba(14,59,58,.08);border-radius:50%;
    pointer-events:none;
  }
  .band::before{width:300px;height:300px;right:-90px;bottom:-140px;}
  .band::after{width:180px;height:180px;right:10px;bottom:-90px;border-color:rgba(14,59,58,.06);}
  .band .wrap{position:relative;z-index:1;}
  .eyebrow{
    display:inline-block;font-size:12px;letter-spacing:.22em;
    color:var(--coral);font-weight:600;margin-bottom:14px;
  }
  .band h1{
    font-size:clamp(30px,4.4vw,42px);font-weight:600;line-height:1.28;
    letter-spacing:.01em;color:var(--ink);max-width:22ch;
  }
  .band-sub{
    margin-top:16px;font-size:15px;line-height:1.75;color:var(--muted);max-width:56ch;
  }
  .crumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);margin-bottom:22px;
  }
  .crumb a{transition:color var(--ease);}
  .crumb a:hover{color:var(--coral);}
  .crumb li[aria-current]{color:var(--ink);}

  /* ---------- 板块通用 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:96px 0;}}
  .section-alt{background:var(--sub);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .sec-title{
    font-size:clamp(23px,3vw,30px);font-weight:600;line-height:1.35;
    color:var(--ink);letter-spacing:.01em;
  }
  .sec-title::before{
    content:"";display:block;width:26px;height:3px;border-radius:2px;
    background:var(--coral);margin-bottom:16px;
  }
  .sec-lead{margin-top:14px;font-size:15px;line-height:1.8;color:var(--muted);max-width:62ch;}

  /* ---------- 三段叙事 ---------- */
  .story-stack{display:grid;gap:48px;}
  @media (min-width:1024px){.story-stack{gap:72px;}}
  .story-row{display:grid;gap:24px;align-items:center;}
  @media (min-width:1024px){
    .story-row{grid-template-columns:5fr 7fr;gap:52px;}
    .story-row.is-flip{grid-template-columns:7fr 5fr;}
    .story-row.is-flip .story-media{order:2;}
  }
  .story-media{
    border-radius:var(--radius-img);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--card);
  }
  .story-media img{
    width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;
    transition:transform 220ms ease-out;
  }
  .story-media:hover img{transform:scale(1.03);}
  .story-text h2{
    font-size:clamp(21px,2.6vw,26px);font-weight:600;line-height:1.35;color:var(--ink);
  }
  .story-text h2::before{
    content:"";display:block;width:22px;height:3px;border-radius:2px;
    background:var(--coral);margin-bottom:14px;
  }
  .story-text p{
    margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);max-width:56ch;
  }
  .point-list{margin-top:20px;}
  .point-list li{
    position:relative;padding:11px 0 11px 22px;
    font-size:15px;line-height:1.75;color:var(--text);
    border-top:1px solid var(--line);
  }
  .point-list li:last-child{border-bottom:1px solid var(--line);}
  .point-list li::before{
    content:"";position:absolute;left:0;top:19px;
    width:6px;height:6px;border-radius:50%;background:var(--coral);
  }

  /* ---------- 流程 ---------- */
  .flow{display:grid;gap:26px;margin-top:40px;}
  @media (min-width:768px){.flow{grid-template-columns:repeat(3,1fr);gap:32px;}}
  .flow-step{
    position:relative;padding-top:26px;border-top:1px solid var(--line);
  }
  .flow-step::before{
    content:"";position:absolute;left:0;top:-4.5px;width:9px;height:9px;
    border-radius:50%;background:var(--coral);
  }
  .flow-num{font-size:13px;letter-spacing:.2em;font-weight:600;color:var(--coral);}
  .flow-step h3{margin:10px 0 8px;font-size:18px;font-weight:600;color:var(--ink);}
  .flow-step p{font-size:15px;line-height:1.75;color:var(--muted);}

  /* ---------- 范围标签与数据条 ---------- */
  .tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .tag{
    display:inline-flex;align-items:center;height:32px;padding:0 15px;
    border-radius:999px;background:var(--card);border:1px solid var(--line);
    font-size:13px;color:var(--ink);
    transition:border-color var(--ease),background var(--ease),transform var(--ease);
  }
  .tag:hover{border-color:rgba(14,59,58,.3);transform:translateY(-2px);}
  .metrics{display:flex;flex-wrap:wrap;margin-top:32px;}
  .metrics span{
    font-size:14px;color:var(--muted);padding-right:22px;margin-right:22px;
    border-right:1px solid var(--line);line-height:1.6;
  }
  .metrics span:last-child{border-right:0;margin-right:0;padding-right:0;}
  .metrics strong{color:var(--ink);font-weight:600;}

  /* ---------- FAQ ---------- */
  .faq-list{margin-top:36px;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
    padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
    cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-mark{
    position:relative;flex:none;width:14px;height:14px;margin-top:7px;
    transition:transform 200ms ease-out;
  }
  .faq-mark::before,.faq-mark::after{
    content:"";position:absolute;background:var(--ink);border-radius:2px;
  }
  .faq-mark::before{left:0;top:6px;width:14px;height:1.5px;}
  .faq-mark::after{left:6px;top:0;width:1.5px;height:14px;}
  .faq-item[open] .faq-mark{transform:rotate(45deg);}
  .faq-body{
    padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:70ch;
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;
    height:46px;padding:0 28px;border-radius:999px;
    font-size:15px;font-weight:600;letter-spacing:.02em;
    border:1px solid transparent;cursor:pointer;
    transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .btn-primary{background:var(--ink);color:var(--reverse);box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--coral);transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .btn-ghost{background:transparent;border-color:rgba(14,59,58,.3);color:var(--ink);}
  .btn-ghost:hover{border-color:var(--ink);background:var(--sub);transform:translateY(-2px);}
  .btn-light{background:var(--reverse);color:var(--ink);}
  .btn-light:hover{background:#FFFFFF;transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--ink);
    border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease);
  }
  .link-arrow:hover{color:var(--coral);border-color:var(--coral);}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--ink);color:var(--reverse);
    padding:64px 0;
  }
  @media (min-width:1024px){.cta-band{padding:88px 0;}}
  .cta-band::after{
    content:"";position:absolute;right:-120px;top:-80px;
    width:340px;height:340px;border-radius:50%;
    border:1px solid rgba(243,239,230,.14);pointer-events:none;
  }
  .cta-inner{
    position:relative;z-index:1;
    display:grid;gap:28px;align-items:center;
  }
  @media (min-width:1024px){.cta-inner{grid-template-columns:7fr 5fr;gap:56px;}}
  .cta-band h2{
    font-size:clamp(23px,3vw,30px);font-weight:600;line-height:1.35;color:var(--reverse);
  }
  .cta-band p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(243,239,230,.76);max-width:52ch;}
  .cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
  .cta-band .link-arrow{color:rgba(243,239,230,.86);}
  .cta-band .link-arrow:hover{color:var(--coral);border-color:var(--coral);}

  /* ---------- footer ---------- */
  .site-footer{
    background:var(--ink);color:var(--reverse);
    padding:64px 0 0;border-top:1px solid rgba(243,239,230,.12);
  }
  .foot-grid{display:grid;gap:36px;}
  @media (min-width:768px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr;gap:48px;}}
  .site-footer .brand-cn{color:var(--reverse);}
  .site-footer .brand-en{color:rgba(243,239,230,.62);}
  .foot-brand p{
    margin-top:16px;font-size:14px;line-height:1.85;
    color:rgba(243,239,230,.72);max-width:36ch;
  }
  .foot-title{
    font-size:13px;letter-spacing:.16em;color:rgba(243,239,230,.55);
    margin-bottom:16px;
  }
  .foot-links{display:grid;gap:10px;}
  .foot-links a{font-size:14px;color:rgba(243,239,230,.86);transition:color var(--ease);}
  .foot-links a:hover{color:var(--coral);}
  .foot-contact{display:grid;gap:10px;font-size:14px;color:rgba(243,239,230,.86);}
  .foot-contact span{display:inline-block;min-width:44px;color:rgba(243,239,230,.55);}
  .foot-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    margin-top:48px;padding:20px 0 28px;
    border-top:1px solid rgba(243,239,230,.16);
    font-size:13px;color:rgba(243,239,230,.6);
  }

/* roulang page: category2 */
:root{
    --ink:#16211F;
    --ink-soft:#55605D;
    --deep:#0E3B3A;
    --deep-soft:#7FA8A0;
    --coral:#E1633F;
    --paper:#F6F2EA;
    --paper-2:#EFEAE0;
    --card:#FFFFFF;
    --line:rgba(14,59,58,0.12);
    --radius-card:14px;
    --radius-img:12px;
    --radius-input:10px;
    --shadow-1:0 1px 2px rgba(14,59,58,.06), 0 14px 30px -22px rgba(14,59,58,.22);
    --shadow-2:0 2px 4px rgba(14,59,58,.08), 0 22px 42px -24px rgba(14,59,58,.30);
    --ease:200ms ease-out;
    --font-zh:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--font-zh);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}

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

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(246,242,234,.96);
    border-bottom:1px solid var(--line);
    transition:background var(--ease), box-shadow var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(246,242,234,.99);
    box-shadow:0 1px 2px rgba(14,59,58,.06);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:64px;
  }
  @media (min-width:1024px){ .nav-inner{height:76px;} }

  .brand{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    line-height:1.15;
  }
  .brand-cn{
    font-size:18px;
    font-weight:600;
    letter-spacing:.02em;
    color:var(--deep);
  }
  .brand-en{
    font-size:11px;
    letter-spacing:.26em;
    color:var(--ink-soft);
    margin-top:3px;
  }

  .nav-links{
    display:none;
    align-items:center;
    gap:34px;
  }
  @media (min-width:1024px){ .nav-links{display:flex;} }
  .nav-links a{
    position:relative;
    font-size:15px;
    letter-spacing:.02em;
    color:var(--ink-soft);
    padding:6px 0;
    transition:color var(--ease);
  }
  .nav-links a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-2px;
    height:2px;
    width:100%;
    background:var(--coral);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform 220ms ease-out;
  }
  .nav-links a:hover{color:var(--deep);}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-links a.is-active{
    color:var(--deep);
    font-weight:600;
  }
  .nav-links a.is-active::after{transform:scaleX(1);}

  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    border:1px solid var(--line);
    border-radius:999px;
    background:transparent;
    cursor:pointer;
    transition:border-color var(--ease), background var(--ease);
  }
  .nav-toggle:hover{border-color:rgba(14,59,58,.4);background:var(--paper-2);}
  .nav-toggle span{
    position:relative;
    display:block;
    width:18px;
    height:1.5px;
    background:var(--deep);
  }
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";
    position:absolute;
    left:0;
    width:18px;
    height:1.5px;
    background:var(--deep);
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  @media (min-width:1024px){ .nav-toggle{display:none;} }

  .drawer{
    position:fixed;
    inset:0;
    z-index:80;
    background:var(--paper);
    display:none;
    flex-direction:column;
    padding:20px;
  }
  .drawer.is-open{display:flex;}
  .drawer-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:18px;
    border-bottom:1px solid var(--line);
  }
  .drawer-close{
    position:relative;
    width:44px;
    height:44px;
    border:1px solid var(--line);
    border-radius:999px;
    background:transparent;
    cursor:pointer;
  }
  .drawer-close span{position:absolute;left:50%;top:50%;width:16px;height:1.5px;background:var(--deep);}
  .drawer-close span:first-child{transform:translate(-50%,-50%) rotate(45deg);}
  .drawer-close span:last-child{transform:translate(-50%,-50%) rotate(-45deg);}
  .drawer-links{display:flex;flex-direction:column;padding-top:8px;}
  .drawer-links a{
    font-size:19px;
    line-height:44px;
    padding:6px 0;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .drawer-links a.is-active{color:var(--deep);font-weight:600;}

  /* ---------- 分类标题带 ---------- */
  .page-hero{
    position:relative;
    border-bottom:1px solid var(--line);
    background:
      linear-gradient(96deg, rgba(246,242,234,.96) 0%, rgba(246,242,234,.80) 50%, rgba(246,242,234,.92) 100%),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding:40px 0 44px;
    min-height:240px;
    display:flex;
    align-items:center;
  }
  @media (min-width:1024px){ .page-hero{padding:56px 0 60px;min-height:286px;} }

  .crumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--ink-soft);
    margin-bottom:20px;
  }
  .crumb li{display:inline-flex;align-items:center;gap:8px;}
  .crumb li+li::before{content:"/";color:var(--deep-soft);}
  .crumb a{transition:color var(--ease);}
  .crumb a:hover{color:var(--deep);}
  .crumb .current{color:var(--deep);font-weight:600;}

  .page-hero h1{
    font-size:clamp(30px,4.4vw,46px);
    font-weight:600;
    line-height:1.28;
    letter-spacing:.01em;
    color:var(--deep);
    max-width:16em;
  }
  .page-hero .lead{
    margin-top:16px;
    font-size:15px;
    line-height:1.75;
    color:var(--ink-soft);
    max-width:44em;
  }
  @media (min-width:768px){ .page-hero .lead{font-size:16px;line-height:1.85;} }

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){ .section{padding:92px 0;} }
  .section--tint{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

  .sec-head{max-width:720px;}
  .sec-head h2{
    position:relative;
    padding-top:16px;
    font-size:26px;
    font-weight:600;
    line-height:1.35;
    color:var(--deep);
  }
  @media (min-width:768px){ .sec-head h2{font-size:32px;} }
  .sec-head h2::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:34px;
    height:3px;
    border-radius:999px;
    background:var(--coral);
  }
  .sec-head p{
    margin-top:14px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-soft);
  }

  /* ---------- 能力清单 2×2 非对称网格 ---------- */
  .cap-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    margin-top:36px;
  }
  @media (min-width:768px){
    .cap-grid{gap:28px;}
  }
  @media (min-width:1024px){
    .cap-grid{
      grid-template-columns:1.18fr .82fr;
      gap:32px;
    }
  }

  .cap-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:26px 24px;
    box-shadow:var(--shadow-1);
    transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  @media (min-width:768px){ .cap-card{padding:32px 30px;} }
  .cap-card:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-2);
    border-color:rgba(14,59,58,.22);
  }
  .cap-tag{
    align-self:flex-start;
    display:inline-flex;
    align-items:center;
    padding:4px 12px;
    border-radius:999px;
    background:var(--paper-2);
    color:var(--deep);
    font-size:12px;
    letter-spacing:.06em;
  }
  .cap-card h3{
    font-size:18px;
    font-weight:600;
    line-height:1.5;
    color:var(--deep);
  }
  @media (min-width:768px){ .cap-card h3{font-size:20px;} }
  .cap-card p{
    font-size:14.5px;
    line-height:1.8;
    color:var(--ink-soft);
  }
  .cap-num{
    font-size:13px;
    letter-spacing:.18em;
    color:var(--coral);
    font-weight:600;
  }

  .cap-visual{
    position:relative;
    border-radius:var(--radius-card);
    overflow:hidden;
    min-height:260px;
    border:1px solid var(--line);
  }
  .cap-visual img{
    width:100%;
    height:100%;
    min-height:260px;
    object-fit:cover;
    border-radius:var(--radius-img);
    transition:transform 240ms ease-out;
  }
  .cap-visual:hover img{transform:scale(1.03);}
  .cap-visual .visual-note{
    position:absolute;
    left:16px;
    right:16px;
    bottom:16px;
    background:rgba(14,59,58,.86);
    color:#F3EFE6;
    border-radius:10px;
    padding:12px 16px;
    font-size:13px;
    line-height:1.7;
  }

  /* ---------- 操作顺序 序号条目 ---------- */
  .step-list{
    margin-top:32px;
    border-top:1px solid var(--line);
  }
  .step-item{
    display:grid;
    grid-template-columns:auto 1fr;
    gap:16px;
    padding:24px 0;
    border-bottom:1px solid var(--line);
    transition:background var(--ease);
  }
  @media (min-width:768px){
    .step-item{grid-template-columns:64px 220px 1fr;gap:24px;align-items:start;}
  }
  .step-no{
    font-size:14px;
    font-weight:600;
    letter-spacing:.14em;
    color:var(--coral);
    line-height:1.9;
  }
  .step-item h3{
    font-size:17px;
    font-weight:600;
    line-height:1.6;
    color:var(--deep);
  }
  @media (min-width:768px){ .step-item h3{font-size:18px;} }
  .step-item p{
    font-size:14.5px;
    line-height:1.85;
    color:var(--ink-soft);
  }

  /* ---------- 数据条 ---------- */
  .stat-bar{
    margin-top:36px;
    display:grid;
    grid-template-columns:1fr;
    gap:0;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    overflow:hidden;
  }
  @media (min-width:768px){
    .stat-bar{grid-template-columns:repeat(4,1fr);}
  }
  .stat-cell{
    padding:26px 24px;
    border-bottom:1px solid var(--line);
  }
  @media (min-width:768px){
    .stat-cell{border-bottom:none;border-right:1px solid var(--line);}
    .stat-cell:last-child{border-right:none;}
  }
  .stat-cell:last-child{border-bottom:none;}
  .stat-cell strong{
    display:block;
    font-size:28px;
    font-weight:600;
    line-height:1.2;
    color:var(--deep);
    letter-spacing:.01em;
  }
  @media (min-width:768px){ .stat-cell strong{font-size:32px;} }
  .stat-cell span{
    display:block;
    margin-top:8px;
    font-size:13px;
    line-height:1.7;
    color:var(--ink-soft);
  }

  /* ---------- 要点列表 ---------- */
  .point-list{
    margin-top:32px;
    display:grid;
    grid-template-columns:1fr;
    gap:0;
    border-top:1px solid var(--line);
  }
  .point-list li{
    display:flex;
    gap:14px;
    padding:18px 0;
    border-bottom:1px solid var(--line);
    font-size:15px;
    line-height:1.8;
    color:var(--ink);
  }
  .point-list li::before{
    content:"";
    flex:0 0 auto;
    width:6px;
    height:6px;
    margin-top:11px;
    border-radius:999px;
    background:var(--coral);
  }
  .point-list li b{color:var(--deep);font-weight:600;}

  /* ---------- FAQ ---------- */
  .faq-list{
    margin-top:32px;
    max-width:860px;
  }
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:22px 0;
    background:transparent;
    border:none;
    cursor:pointer;
    text-align:left;
    font-size:17px;
    font-weight:600;
    line-height:1.6;
    color:var(--deep);
    transition:color var(--ease);
  }
  .faq-q:hover{color:var(--coral);}
  .faq-icon{
    position:relative;
    flex:0 0 auto;
    width:18px;
    height:18px;
    transition:transform 220ms ease-out;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:0;
    top:50%;
    width:18px;
    height:1.5px;
    background:var(--deep);
    transform:translateY(-50%);
  }
  .faq-icon::after{transform:translateY(-50%) rotate(90deg);}
  .faq-item.is-open .faq-icon{transform:rotate(45deg);}
  .faq-item.is-open .faq-q{color:var(--deep);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height 240ms ease-out;
  }
  .faq-a p{
    padding:0 0 24px;
    font-size:15px;
    line-height:1.85;
    color:var(--ink-soft);
    max-width:720px;
  }
  .faq-item.is-open .faq-a{max-height:340px;}

  /* ---------- CTA ---------- */
  .cta-section{
    background:var(--deep);
    color:#F3EFE6;
    padding:56px 0;
    position:relative;
    overflow:hidden;
  }
  @media (min-width:1024px){ .cta-section{padding:76px 0;} }
  .cta-section::after{
    content:"";
    position:absolute;
    right:-60px;
    bottom:-70px;
    width:320px;
    height:320px;
    border-radius:50%;
    border:1px solid rgba(243,239,230,.16);
    box-shadow:0 0 0 28px rgba(243,239,230,.06);
    pointer-events:none;
  }
  .cta-inner{
    position:relative;
    z-index:1;
    display:flex;
    flex-direction:column;
    gap:28px;
  }
  @media (min-width:1024px){
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}
  }
  .cta-inner h2{
    font-size:24px;
    font-weight:600;
    line-height:1.4;
    color:#F3EFE6;
  }
  @media (min-width:768px){ .cta-inner h2{font-size:30px;} }
  .cta-inner p{
    margin-top:12px;
    font-size:15px;
    line-height:1.8;
    color:rgba(243,239,230,.82);
    max-width:34em;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:46px;
    padding:0 28px;
    border-radius:999px;
    font-size:15px;
    font-weight:500;
    letter-spacing:.02em;
    cursor:pointer;
    border:1px solid transparent;
    transition:background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
  }
  @media (min-width:768px){ .btn{height:48px;} }
  .btn-primary{
    background:var(--deep);
    color:#F3EFE6;
    box-shadow:var(--shadow-1);
  }
  .btn-primary:hover{
    background:var(--coral);
    transform:translateY(-2px);
    box-shadow:var(--shadow-2);
  }
  .btn-light{
    background:var(--paper);
    color:var(--deep);
    box-shadow:var(--shadow-1);
  }
  .btn-light:hover{
    background:#FFFFFF;
    transform:translateY(-2px);
    box-shadow:var(--shadow-2);
  }
  .btn-ghost{
    background:transparent;
    border-color:rgba(14,59,58,.30);
    color:var(--deep);
  }
  .btn-ghost:hover{
    border-color:var(--deep);
    background:var(--paper-2);
  }
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:15px;
    color:var(--deep);
    border-bottom:1px solid transparent;
    transition:color var(--ease), border-color var(--ease);
  }
  .text-link:hover{border-color:var(--coral);color:var(--coral);}
  .text-link .arrow{transition:transform var(--ease);}
  .text-link:hover .arrow{transform:translateX(4px);}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--deep);
    color:#F3EFE6;
    padding:56px 0 28px;
  }
  @media (min-width:1024px){ .site-footer{padding:72px 0 32px;} }
  .foot-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
  }
  @media (min-width:768px){
    .foot-grid{grid-template-columns:1.2fr 1fr 1fr;gap:40px;}
  }
  .site-footer .brand-cn{color:#F3EFE6;}
  .site-footer .brand-en{color:rgba(243,239,230,.66);}
  .foot-brand p{
    margin-top:16px;
    font-size:14px;
    line-height:1.8;
    color:rgba(243,239,230,.72);
    max-width:26em;
  }
  .foot-title{
    font-size:13px;
    letter-spacing:.14em;
    color:rgba(243,239,230,.6);
    margin-bottom:16px;
  }
  .foot-links{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px 24px;
  }
  @media (min-width:768px){ .foot-links{grid-template-columns:1fr;} }
  .foot-links a{
    font-size:14px;
    color:rgba(243,239,230,.86);
    transition:color var(--ease);
  }
  .foot-links a:hover{color:var(--coral);}
  .foot-contact li{
    font-size:14px;
    line-height:1.9;
    color:rgba(243,239,230,.86);
  }
  .foot-contact li span{
    display:inline-block;
    min-width:44px;
    color:rgba(243,239,230,.55);
  }
  .foot-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid rgba(243,239,230,.18);
    display:flex;
    flex-direction:column;
    gap:8px;
    font-size:13px;
    color:rgba(243,239,230,.6);
  }
  @media (min-width:768px){
    .foot-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }

/* roulang page: category3 */
:root{
    --ink:#0E3B3A;
    --mist:#7FA8A0;
    --coral:#E1633F;
    --paper:#F6F2EA;
    --card:#FFFFFF;
    --sub:#EFEAE0;
    --text:#16211F;
    --muted:#55605D;
    --reverse:#F3EFE6;
    --line:rgba(14,59,58,.12);
    --line-soft:rgba(14,59,58,.08);
    --radius-card:14px;
    --radius-img:12px;
    --radius-input:10px;
    --shadow-1:0 1px 2px rgba(14,59,58,.06), 0 14px 30px -22px rgba(14,59,58,.22);
    --shadow-2:0 2px 4px rgba(14,59,58,.08), 0 20px 36px -20px rgba(14,59,58,.28);
    --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  a:focus-visible,button:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px}

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

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(246,242,234,.95);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease-out, background .2s ease-out;
  }
  .site-header.is-scrolled{
    background:rgba(246,242,234,.98);
    box-shadow:0 1px 2px rgba(14,59,58,.06), 0 14px 26px -26px rgba(14,59,58,.4);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:64px;
  }
  @media (min-width:1024px){ .header-inner{height:76px} }

  .brand{
    display:flex;
    flex-direction:column;
    justify-content:center;
    line-height:1.1;
    color:var(--ink);
    flex-shrink:0;
  }
  .brand-cn{font-size:18px;font-weight:600;letter-spacing:.02em}
  .brand-en{font-size:10px;letter-spacing:.3em;color:var(--muted);margin-top:4px}
  @media (min-width:1024px){
    .brand-cn{font-size:19px}
    .brand-en{font-size:11px}
  }

  .nav-links{display:none}
  @media (min-width:980px){
    .nav-links{
      display:flex;
      align-items:center;
      gap:32px;
    }
    .nav-links a{
      position:relative;
      display:inline-block;
      padding:6px 0;
      font-size:15px;
      letter-spacing:.02em;
      color:var(--text);
      transition:color .2s ease-out;
    }
    .nav-links a::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:0;
      height:2px;
      background:var(--coral);
      transform:scaleX(0);
      transform-origin:left center;
      transition:transform .2s ease-out;
    }
    .nav-links a:hover{color:var(--ink)}
    .nav-links a:hover::after,
    .nav-links a:focus-visible::after{transform:scaleX(1)}
    .nav-links a.is-active{color:var(--ink)}
    .nav-links a.is-active::after{transform:scaleX(1)}
  }

  .nav-toggle{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:44px;
    height:44px;
    align-items:flex-end;
    padding-right:4px;
  }
  .nav-toggle span{
    display:block;
    width:22px;
    height:1.5px;
    background:var(--ink);
    transition:transform .2s ease-out, opacity .2s ease-out;
  }
  .nav-toggle span:nth-child(2){width:16px}
  @media (min-width:980px){ .nav-toggle{display:none} }

  .drawer{
    position:fixed;
    inset:0;
    z-index:90;
    background:var(--paper);
    display:none;
    flex-direction:column;
    padding:16px 20px 40px;
    overflow-y:auto;
  }
  .drawer.is-open{display:flex}
  .drawer-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:56px;
    border-bottom:1px solid var(--line);
    margin-bottom:12px;
  }
  .drawer-close{
    width:44px;height:44px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:22px;
    line-height:1;
    color:var(--ink);
  }
  .drawer nav a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    font-size:19px;
    line-height:1.4;
    padding:20px 0;
    border-bottom:1px solid var(--line);
    color:var(--text);
  }
  .drawer nav a .dot{
    width:6px;height:6px;border-radius:999px;background:var(--coral);opacity:0;
    transition:opacity .2s ease-out;
  }
  .drawer nav a.is-active{color:var(--ink)}
  .drawer nav a.is-active .dot{opacity:1}
  .drawer-note{
    margin-top:auto;
    padding-top:28px;
    font-size:13px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ---------- 分类标题带 ---------- */
  .page-banner{
    position:relative;
    overflow:hidden;
    background:linear-gradient(180deg,#F1EBE0 0%, var(--paper) 100%);
    border-bottom:1px solid var(--line);
  }
  .banner-inner{
    position:relative;
    z-index:2;
    padding-top:44px;
    padding-bottom:44px;
  }
  @media (min-width:1024px){
    .banner-inner{padding-top:64px;padding-bottom:66px}
  }
  .crumbs ol{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
  }
  .crumbs a{color:var(--muted);transition:color .2s ease-out}
  .crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
  .crumbs .sep{color:var(--mist)}
  .crumbs [aria-current]{color:var(--ink);font-weight:600}
  .page-banner h1{
    margin-top:18px;
    font-size:clamp(28px,4.2vw,44px);
    font-weight:600;
    line-height:1.28;
    letter-spacing:.01em;
    color:var(--ink);
    max-width:760px;
  }
  .banner-sub{
    margin-top:14px;
    max-width:640px;
    font-size:15px;
    line-height:1.75;
    color:var(--muted);
  }
  .banner-wave{
    position:absolute;
    right:-20px;
    bottom:-8px;
    width:280px;
    height:110px;
    opacity:.75;
    pointer-events:none;
  }
  @media (max-width:767px){ .banner-wave{display:none} }

  .anchor-bar{
    border-bottom:1px solid var(--line);
    background:var(--paper);
  }
  .anchor-bar ul{
    display:flex;
    flex-wrap:wrap;
    gap:10px 28px;
    padding:16px 0;
    font-size:14px;
  }
  .anchor-bar a{
    color:var(--muted);
    padding-bottom:3px;
    border-bottom:1px solid transparent;
    transition:color .2s ease-out,border-color .2s ease-out;
  }
  .anchor-bar a:hover{color:var(--ink);border-bottom-color:var(--coral)}

  /* ---------- 通用板块 ---------- */
  .section{padding-top:56px;padding-bottom:56px}
  @media (min-width:1024px){ .section{padding-top:92px;padding-bottom:92px} }
  .section-alt{background:var(--sub)}
  .section-white{background:var(--card)}
  .sec-head{max-width:720px}
  .sec-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    letter-spacing:.18em;
    color:var(--mist);
    text-transform:uppercase;
  }
  .sec-eyebrow::before{
    content:"";
    display:block;
    width:12px;height:2px;background:var(--coral);
  }
  .sec-title{
    margin-top:14px;
    font-size:clamp(23px,2.6vw,32px);
    font-weight:600;
    line-height:1.35;
    color:var(--ink);
    letter-spacing:.01em;
  }
  .sec-desc{
    margin-top:14px;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }

  .img-frame{
    border-radius:var(--radius-img);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--sub);
    box-shadow:var(--shadow-1);
  }
  .img-frame img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .22s ease-out;
  }
  .img-frame:hover img{transform:scale(1.03)}

  /* 说明范围 */
  .scope-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  @media (min-width:980px){
    .scope-grid{grid-template-columns:5fr 7fr;gap:56px}
  }
  .scope-list{margin-top:26px;border-top:1px solid var(--line)}
  .scope-list li{
    display:flex;
    gap:16px;
    padding:16px 0;
    border-bottom:1px solid var(--line);
    font-size:15px;
    line-height:1.7;
  }
  .scope-list .num{
    flex-shrink:0;
    font-size:13px;
    font-weight:600;
    color:var(--coral);
    letter-spacing:.06em;
    padding-top:2px;
    min-width:22px;
  }
  .scope-list strong{font-weight:600;color:var(--ink)}

  /* ---------- 图文对照表 ---------- */
  .compare-wrap{
    margin-top:36px;
    border-top:1px solid var(--line);
  }
  .compare-row{
    display:grid;
    grid-template-columns:1fr;
    gap:8px;
    padding:22px 16px;
    border-bottom:1px solid var(--line);
    border-radius:10px;
    transition:background .2s ease-out;
  }
  .compare-row:hover{background:rgba(14,59,58,.035)}
  @media (min-width:820px){
    .compare-row{
      grid-template-columns:minmax(200px,30%) 1fr;
      gap:32px;
      align-items:start;
      padding:26px 18px;
    }
  }
  .compare-key{display:flex;align-items:baseline;gap:12px}
  .compare-key .idx{
    font-size:12px;
    font-weight:600;
    color:var(--coral);
    letter-spacing:.08em;
  }
  .compare-key h3{
    font-size:17px;
    font-weight:600;
    line-height:1.5;
    color:var(--ink);
  }
  .compare-val{font-size:15px;line-height:1.85;color:var(--muted)}
  .compare-val .tip{
    display:block;
    margin-top:8px;
    font-size:13px;
    line-height:1.7;
    color:var(--ink);
    padding-left:12px;
    border-left:3px solid rgba(225,99,63,.55);
  }

  /* ---------- FAQ ---------- */
  .faq-list{
    margin-top:36px;
    border-top:1px solid var(--line);
    max-width:900px;
  }
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    width:100%;
    text-align:left;
    padding:20px 0;
    font-size:17px;
    font-weight:600;
    line-height:1.55;
    color:var(--ink);
    transition:color .2s ease-out;
  }
  .faq-q:hover{color:#0a2b2a}
  .faq-ico{
    position:relative;
    flex-shrink:0;
    width:18px;height:18px;
    transition:transform .2s ease-out;
  }
  .faq-ico::before,
  .faq-ico::after{
    content:"";
    position:absolute;
    background:var(--ink);
    border-radius:2px;
    transition:background .2s ease-out;
  }
  .faq-ico::before{left:0;top:8px;width:18px;height:1.5px}
  .faq-ico::after{top:0;left:8px;width:1.5px;height:18px}
  .faq-item.is-open .faq-ico{transform:rotate(45deg)}
  .faq-item.is-open .faq-ico::before,
  .faq-item.is-open .faq-ico::after{background:var(--coral)}
  .faq-a{
    display:none;
    padding:0 0 22px;
    max-width:760px;
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
  }
  .faq-item.is-open .faq-a{display:block}

  /* ---------- 按钮 ---------- */
  .btn-primary,
  .btn-ghost,
  .btn-light{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 28px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    letter-spacing:.02em;
    transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-primary{
    background:var(--ink);
    color:var(--reverse);
    border:1px solid var(--ink);
    box-shadow:var(--shadow-1);
  }
  .btn-primary:hover{
    background:var(--coral);
    border-color:var(--coral);
    transform:translateY(-2px);
    box-shadow:var(--shadow-2);
  }
  .btn-ghost{
    background:transparent;
    color:var(--ink);
    border:1px solid rgba(14,59,58,.3);
  }
  .btn-ghost:hover{
    border-color:var(--ink);
    background:var(--sub);
    transform:translateY(-2px);
  }
  .btn-light{
    background:var(--paper);
    color:var(--ink);
    border:1px solid var(--paper);
  }
  .btn-light:hover{
    background:#fff;
    border-color:#fff;
    transform:translateY(-2px);
    box-shadow:0 18px 30px -20px rgba(0,0,0,.5);
  }
  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    border-bottom:1px solid transparent;
    transition:color .2s ease-out,border-color .2s ease-out;
  }
  .link-arrow span.ar{transition:transform .2s ease-out}
  .link-arrow:hover{border-bottom-color:var(--ink)}
  .link-arrow:hover span.ar{transform:translateX(4px)}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    color:var(--reverse);
  }
  .cta-inner{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    align-items:center;
    padding-top:52px;
    padding-bottom:52px;
  }
  @media (min-width:900px){
    .cta-inner{grid-template-columns:1fr auto;gap:48px;padding-top:64px;padding-bottom:64px}
  }
  .cta-inner h2{
    font-size:clamp(21px,2.4vw,28px);
    font-weight:600;
    line-height:1.4;
    color:var(--reverse);
  }
  .cta-inner p{
    margin-top:12px;
    max-width:560px;
    font-size:15px;
    line-height:1.8;
    color:rgba(243,239,230,.82);
  }
  .cta-wave{
    position:absolute;
    right:-30px;
    top:-10px;
    width:380px;
    height:200px;
    opacity:.35;
    pointer-events:none;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:var(--reverse);
    padding-top:56px;
    padding-bottom:28px;
  }
  .foot-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
  }
  @media (min-width:768px){
    .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:40px}
  }
  .site-footer .brand{color:var(--reverse)}
  .site-footer .brand-en{color:rgba(243,239,230,.6)}
  .foot-brand p{
    margin-top:16px;
    max-width:320px;
    font-size:14px;
    line-height:1.8;
    color:rgba(243,239,230,.75);
  }
  .foot-title{
    font-size:13px;
    letter-spacing:.16em;
    color:rgba(243,239,230,.55);
    margin-bottom:16px;
  }
  .foot-links{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px 16px;
  }
  @media (max-width:767px){
    .foot-links{grid-template-columns:1fr 1fr}
  }
  .foot-links a{
    font-size:14px;
    color:rgba(243,239,230,.85);
    transition:color .2s ease-out;
  }
  .foot-links a:hover{color:var(--coral)}
  .foot-contact li{
    font-size:14px;
    line-height:1.8;
    color:rgba(243,239,230,.85);
    margin-bottom:8px;
  }
  .foot-contact span{
    display:inline-block;
    min-width:44px;
    color:rgba(243,239,230,.5);
    font-size:13px;
  }
  .foot-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid rgba(243,239,230,.16);
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    justify-content:space-between;
    font-size:13px;
    color:rgba(243,239,230,.6);
  }

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

/* roulang page: category4 */
:root{
    --deep:#0E3B3A;
    --jade:#7FA8A0;
    --coral:#E1633F;
    --paper:#F6F2EA;
    --sand:#EFEAE0;
    --ink:#16211F;
    --sub:#55605D;
    --reverse:#F3EFE6;
    --line:rgba(14,59,58,0.12);
    --r-card:14px;
    --r-img:12px;
    --r-input:10px;
    --shadow-1:0 1px 2px rgba(14,59,58,.06),0 14px 30px -22px rgba(14,59,58,.22);
    --shadow-2:0 1px 2px rgba(14,59,58,.08),0 20px 38px -22px rgba(14,59,58,.30);
    --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font);
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}

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

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(246,242,234,.97);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease-out,background .2s ease-out;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px -16px rgba(14,59,58,.45);background:rgba(246,242,234,.99);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
  @media (min-width:1024px){.nav-inner{height:76px;}}
  .brand{display:flex;flex-direction:column;line-height:1.15;font-weight:600;color:var(--deep);}
  .brand-cn{font-size:17px;letter-spacing:.02em;}
  .brand-en{font-size:11px;letter-spacing:.26em;color:var(--sub);font-weight:500;margin-top:3px;}
  .nav-links{display:none;}
  @media (min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:30px;}
  }
  .nav-links a{
    position:relative;display:inline-block;
    font-size:15px;letter-spacing:.02em;color:var(--ink);
    padding:6px 0;transition:color .2s ease-out;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--coral);transition:width .2s ease-out;
  }
  .nav-links a:hover{color:var(--deep);}
  .nav-links a:hover::after{width:100%;}
  .nav-links a.is-active{color:var(--deep);font-weight:600;}
  .nav-links a.is-active::after{width:100%;}

  .nav-toggle{
    display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:11px;
    background:transparent;border:1px solid var(--line);border-radius:10px;
    cursor:pointer;transition:border-color .18s ease-out,background .18s ease-out;
  }
  .nav-toggle:hover{border-color:rgba(14,59,58,.4);background:var(--sand);}
  .nav-toggle span{display:block;height:1.5px;width:100%;background:var(--deep);}
  @media (min-width:1024px){.nav-toggle{display:none;}}

  /* ---------- 移动抽屉 ---------- */
  .drawer{
    position:fixed;inset:0;z-index:80;
    background:var(--paper);
    padding:20px 20px 40px;
    display:flex;flex-direction:column;
    overflow-y:auto;
  }
  .drawer[hidden]{display:none;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
  .drawer-close{
    position:relative;width:44px;height:44px;
    background:transparent;border:1px solid var(--line);border-radius:10px;cursor:pointer;
    transition:border-color .18s ease-out,background .18s ease-out;
  }
  .drawer-close:hover{border-color:rgba(14,59,58,.4);background:var(--sand);}
  .drawer-close::before,.drawer-close::after{
    content:"";position:absolute;left:12px;right:12px;top:50%;height:1.5px;background:var(--deep);
  }
  .drawer-close::before{transform:rotate(45deg);}
  .drawer-close::after{transform:rotate(-45deg);}
  .drawer-link{
    display:block;font-size:19px;line-height:44px;padding:6px 0;
    border-bottom:1px solid var(--line);color:var(--ink);
    transition:color .18s ease-out;
  }
  .drawer-link:hover{color:var(--coral);}
  .drawer-link.is-active{color:var(--deep);font-weight:600;}

  /* ---------- 通用按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 28px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
    transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-primary{background:var(--deep);color:var(--reverse);}
  .btn-primary:hover{background:var(--coral);transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .btn-ghost{background:transparent;border-color:rgba(14,59,58,.3);color:var(--deep);}
  .btn-ghost:hover{border-color:var(--deep);background:var(--sand);transform:translateY(-2px);}
  .btn-light{background:var(--reverse);color:var(--deep);}
  .btn-light:hover{background:var(--coral);color:var(--reverse);transform:translateY(-2px);box-shadow:var(--shadow-2);}

  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:15px;font-weight:600;color:var(--deep);
    border-bottom:1px solid transparent;padding-bottom:2px;
    transition:border-color .18s ease-out,color .18s ease-out;
  }
  .text-link:hover{border-color:var(--deep);color:var(--coral);}
  .text-link .arrow{display:inline-block;transition:transform .18s ease-out;}
  .text-link:hover .arrow{transform:translateX(4px);}

  /* ---------- 标题带 ---------- */
  .page-band{
    padding:40px 0 34px;
    background:linear-gradient(180deg,#EFEAE0 0%,#F6F2EA 100%);
    border-bottom:1px solid var(--line);
  }
  @media (min-width:1024px){.page-band{padding:56px 0 48px;}}
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    list-style:none;font-size:13px;color:var(--sub);margin-bottom:18px;
  }
  .crumbs li{display:inline-flex;align-items:center;}
  .crumbs li + li::before{content:"/";margin-right:8px;color:var(--jade);}
  .crumbs a{color:var(--sub);transition:color .18s ease-out;}
  .crumbs a:hover{color:var(--deep);text-decoration:underline;text-underline-offset:3px;}
  .band-title{
    font-size:clamp(30px,4.4vw,46px);
    font-weight:600;line-height:1.28;letter-spacing:.01em;
    color:var(--deep);
  }
  .band-lead{
    margin-top:14px;max-width:640px;
    font-size:15px;line-height:1.75;color:var(--sub);
  }
  .band-meta{
    display:flex;flex-wrap:wrap;gap:10px 18px;
    margin-top:22px;font-size:13px;color:var(--sub);
  }
  .band-meta span{display:inline-flex;align-items:center;gap:8px;}
  .band-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--jade);}
  .band-meta span:first-child::before{background:var(--coral);}

  /* ---------- 板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-alt{background:var(--sand);}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
  .h2{
    display:flex;align-items:center;gap:12px;
    font-size:clamp(24px,3vw,32px);font-weight:600;line-height:1.35;color:var(--deep);
  }
  .h2::before{content:"";flex:0 0 auto;width:22px;height:3px;border-radius:2px;background:var(--coral);}
  .sec-sub{margin-top:12px;font-size:15px;line-height:1.75;color:var(--sub);max-width:620px;}

  /* ---------- 大图带 ---------- */
  .hero-band{
    position:relative;overflow:hidden;border-radius:var(--r-card);
    min-height:260px;display:flex;align-items:flex-end;
    border:1px solid var(--line);box-shadow:var(--shadow-1);
  }
  @media (min-width:768px){.hero-band{min-height:320px;}}
  .hero-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
  .hero-band .shade{
    position:absolute;inset:0;
    background:linear-gradient(92deg,rgba(14,59,58,.86) 0%,rgba(14,59,58,.52) 55%,rgba(14,59,58,.28) 100%);
  }
  .hero-band .band-body{position:relative;z-index:1;padding:26px 24px;color:var(--reverse);max-width:560px;}
  @media (min-width:768px){.hero-band .band-body{padding:38px 40px;}}
  .hero-band .kicker{
    display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
    background:rgba(243,239,230,.16);color:var(--reverse);
    font-size:12px;letter-spacing:.08em;margin-bottom:14px;
  }
  .hero-band h2{
    font-size:clamp(22px,2.8vw,30px);font-weight:600;line-height:1.35;color:var(--reverse);
  }
  .hero-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(243,239,230,.85);}

  /* ---------- 横向列表卡 ---------- */
  .case-list{display:flex;flex-direction:column;}
  .case-card{
    display:grid;gap:18px;
    padding:26px 0;
    border-top:1px solid var(--line);
  }
  .case-card:last-child{border-bottom:1px solid var(--line);}
  @media (min-width:768px){
    .case-card{grid-template-columns:230px minmax(0,1fr);gap:32px;align-items:start;padding:30px 0;}
  }
  .case-media{
    display:block;overflow:hidden;border-radius:var(--r-img);
    aspect-ratio:16/10;background:var(--sand);
  }
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out;}
  .case-media:hover img{transform:scale(1.03);}
  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
    background:var(--sand);color:var(--deep);font-size:12px;letter-spacing:.04em;
  }
  .case-title{margin-top:12px;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
  .case-title a{transition:color .18s ease-out;}
  .case-title a:hover{color:var(--deep);}
  .case-text{margin-top:10px;font-size:14px;line-height:1.75;color:var(--sub);}
  .case-meta{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    margin-top:16px;
  }
  .case-date{font-size:13px;color:var(--sub);letter-spacing:.02em;}

  /* ---------- 序号条目 ---------- */
  .steps{display:flex;flex-direction:column;border-top:1px solid var(--line);}
  .step{
    display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;
    padding:26px 0;border-bottom:1px solid var(--line);
  }
  @media (min-width:768px){
    .step{grid-template-columns:88px minmax(0,1fr);gap:28px;padding:32px 0;}
  }
  .step-num{
    font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--coral);
    padding-top:4px;
  }
  .step h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
  .step p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--sub);max-width:680px;}

  /* ---------- 引用 ---------- */
  .quote-block{
    position:relative;
    padding:34px 24px 28px 28px;
    background:var(--paper);
    border:1px solid var(--line);
    border-left:3px solid var(--coral);
    border-radius:var(--r-card);
    box-shadow:var(--shadow-1);
  }
  @media (min-width:768px){.quote-block{padding:44px 44px 34px 48px;}}
  .quote-mark{
    font-size:52px;line-height:1;color:rgba(225,99,63,.35);
    font-weight:600;display:block;margin-bottom:8px;
  }
  .quote-block blockquote{
    margin:0;font-size:19px;line-height:1.7;color:var(--deep);font-weight:600;
  }
  @media (min-width:768px){.quote-block blockquote{font-size:22px;}}
  .quote-source{margin-top:16px;font-size:13px;color:var(--sub);letter-spacing:.04em;}

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--line);max-width:840px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 0;font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
    transition:color .18s ease-out;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--deep);}
  .faq-item summary::after{
    content:"+";flex:0 0 auto;font-size:22px;font-weight:400;line-height:1;
    color:var(--jade);transition:transform .2s ease-out,color .2s ease-out;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);color:var(--coral);}
  .faq-body{padding:0 0 22px;}
  .faq-body p{font-size:15px;line-height:1.85;color:var(--sub);max-width:720px;}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--deep);color:var(--reverse);
    border-radius:var(--r-card);
    padding:36px 24px;
  }
  @media (min-width:768px){.cta-band{padding:52px 56px;}}
  .cta-band::after{
    content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;
    border:1px solid rgba(127,168,160,.35);border-radius:50%;
    box-shadow:0 0 0 28px rgba(127,168,160,.10),0 0 0 56px rgba(127,168,160,.05);
    pointer-events:none;
  }
  .cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:24px;}
  @media (min-width:900px){
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}
  }
  .cta-inner h2{font-size:clamp(22px,2.8vw,30px);font-weight:600;line-height:1.35;color:var(--reverse);}
  .cta-inner p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(243,239,230,.82);max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--deep);color:var(--reverse);padding:56px 0 24px;}
  .foot-grid{display:grid;gap:32px;}
  @media (min-width:768px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr;gap:44px;}}
  .foot-brand .brand{color:var(--reverse);}
  .foot-brand .brand-en{color:rgba(243,239,230,.6);}
  .foot-brand p{
    margin-top:16px;max-width:330px;
    font-size:14px;line-height:1.8;color:rgba(243,239,230,.72);
  }
  .foot-title{
    font-size:13px;letter-spacing:.14em;color:rgba(243,239,230,.55);margin-bottom:16px;
  }
  .foot-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
  .foot-links a{color:rgba(243,239,230,.85);transition:color .18s ease-out;}
  .foot-links a:hover{color:var(--coral);}
  .foot-contact{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(243,239,230,.85);}
  .foot-contact span{display:inline-block;min-width:46px;color:rgba(243,239,230,.5);}
  .foot-bottom{
    margin-top:44px;padding-top:18px;
    border-top:1px solid rgba(243,239,230,.18);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:rgba(243,239,230,.55);
  }
  @media (max-width:640px){
    .foot-bottom{flex-direction:column;gap:6px;}
  }