/* roulang page: index */
:root{
  --green:#123F38;
  --green-deep:#0C2E29;
  --green-soft:#E3EDE9;
  --green-tint:#EDF4F1;
  --brass:#B8873F;
  --vermillion:#C0452C;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --line:#E2DED4;
  --muted:#6B6F6A;
  --ink:#101613;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,22,19,.06);
  --sh2:0 8px 24px -8px rgba(16,22,19,.12);
  --sh3:0 16px 40px -12px rgba(16,22,19,.18);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",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(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
@media (max-width:1023px){
  body{padding-bottom:calc(104px + env(safe-area-inset-bottom));}
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-0.01em;}
p{margin:0;}
time{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(184,135,63,.5);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 40px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-compact{box-shadow:var(--sh2);}
.mobile-topbar{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 20px;}
.header-inner{display:none;}
@media (min-width:1024px){
  .mobile-topbar{display:none;}
  .header-inner{
    display:flex;align-items:center;gap:28px;
    max-width:1240px;margin:0 auto;padding:0 40px;height:72px;
    transition:height .25s ease;
  }
  .site-header.is-compact .header-inner{height:64px;}
}
.brand{display:inline-flex;align-items:baseline;gap:8px;flex-shrink:0;}
.brand__mark{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--green);letter-spacing:.02em;}
.brand__slogan{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--brass);white-space:nowrap;}
@media (max-width:1023px){
  .brand__mark{font-size:18px;}
  .brand__slogan{font-size:11px;letter-spacing:.06em;}
}
.nav-desktop{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 15px;font-size:15px;font-weight:500;color:var(--ink);
  border-radius:8px;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
  background:var(--brass);transform:scaleX(0);transform-origin:left;
  transition:transform .25s cubic-bezier(.22,.61,.36,1);
}
.nav-link:hover{color:var(--green);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--green);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:18px;}
.header-tel{font-size:14px;font-weight:600;color:var(--green);letter-spacing:.02em;}
.header-tel:hover{color:var(--brass);}
.drawer-toggle{
  width:44px;height:44px;margin-right:-8px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.drawer-toggle span{display:block;width:20px;height:1.75px;background:var(--green);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.drawer-toggle.is-open span:nth-child(1){transform:translateY(5.75px) rotate(45deg);}
.drawer-toggle.is-open span:nth-child(2){opacity:0;}
.drawer-toggle.is-open span:nth-child(3){transform:translateY(-5.75px) rotate(-45deg);}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(16,22,19,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-overlay.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;z-index:95;
  background:#fff;box-shadow:var(--sh3);padding:28px 22px;
  display:flex;flex-direction:column;gap:4px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.22,.61,.36,1);
}
.drawer.is-open{transform:translateX(0);}
.drawer__title{font-family:var(--serif);font-size:17px;font-weight:600;color:var(--green);margin-bottom:14px;}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:10px;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);transition:background .2s,color .2s;
}
.drawer a:hover{background:var(--green-tint);color:var(--green);}
.drawer__cta{margin-top:22px;}

/* ---------- tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
  display:grid;grid-auto-flow:column;grid-auto-columns:1fr;
  background:rgba(255,255,255,.98);
  border-top:1px solid var(--line);
  backdrop-filter:blur(10px);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:1024px){.tabbar{display:none;}}
.tabbar__item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:11px;color:var(--muted);transition:color .2s ease;
}
.tabbar__item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.tabbar__item.is-active{color:var(--green);font-weight:600;}
.tabbar__item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:2px;background:var(--brass);border-radius:0 0 2px 2px;
}

/* ---------- mobile convert ---------- */
.mobile-convert{
  position:fixed;left:0;right:0;bottom:calc(56px + env(safe-area-inset-bottom));z-index:69;
  height:48px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 18px -14px rgba(16,22,19,.35);
}
@media (min-width:1024px){.mobile-convert{display:none;}}
.mobile-convert__text{font-size:13px;font-weight:600;color:var(--green);}
.float-consult{
  position:fixed;right:32px;bottom:32px;z-index:60;
  width:48px;height:48px;border-radius:50%;display:none;place-items:center;
  background:var(--vermillion);color:#fff;box-shadow:var(--sh2);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.float-consult svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.float-consult.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-consult:hover{background:#A93A24;}
@media (min-width:1024px){.float-consult{display:grid;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s ease;}
.btn:hover svg{transform:translateX(4px);}
.btn--primary{background:var(--vermillion);color:#fff;box-shadow:0 6px 18px -12px rgba(192,69,44,.95);}
.btn--primary:hover{background:#A93A24;}
.btn--primary:active{background:#96331F;transform:translateY(1px);}
.btn--ghost{background:transparent;color:var(--green);border:1.5px solid var(--green);}
.btn--ghost:hover{background:var(--green);color:#fff;}
.btn--light{background:var(--green);color:#fff;}
.btn--light:hover{background:var(--green-deep);}
.btn--sm{min-height:40px;padding:10px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--green);
  border-bottom:1px solid var(--brass);padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-arrow svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease;}
.link-arrow:hover{border-color:var(--green);color:var(--green-deep);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1024px){.section{padding:104px 0;}}
.section--soft{background:var(--green-tint);}
.h2{font-size:clamp(24px,3vw,36px);line-height:1.25;}
.h2--lined{position:relative;padding-left:18px;}
.h2--lined::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;
  background:var(--green);border-radius:2px;
}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px;}
.section-head__sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:640px;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:48px 0 64px;}
@media (min-width:1024px){
  .hero{display:flex;align-items:center;min-height:88vh;padding:72px 0 88px;}
  .hero > .container{width:100%;}
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(to bottom,rgba(184,135,63,.09) 0 1px,transparent 1px 32px);
}
.hero__grid{position:relative;display:grid;gap:36px;}
@media (min-width:1024px){.hero__grid{grid-template-columns:7fr 5fr;gap:56px;align-items:center;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brass);
}
.eyebrow__line{display:block;width:28px;height:1px;background:var(--brass);}
.hero__title{font-size:clamp(32px,5.2vw,56px);line-height:1.15;font-weight:600;letter-spacing:-0.01em;}
.hero__sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--muted);max-width:34em;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__points{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:28px;font-size:13px;color:var(--muted);}
.hero__points li{display:flex;align-items:center;gap:8px;}
.hero__points li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brass);flex:none;}
.hero__media{position:relative;}
.hero__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh2);
}
.seal{
  position:absolute;right:18px;bottom:18px;
  padding:6px 12px;border-radius:6px;border:1.5px solid var(--brass);
  background:rgba(12,46,41,.86);color:var(--brass);
  font-size:12px;font-weight:600;letter-spacing:.12em;line-height:1.5;
}

/* ---------- features ---------- */
.features{display:grid;gap:36px;}
@media (min-width:1024px){.features{grid-template-columns:5fr 7fr;gap:56px;align-items:start;}}
.features__intro p{margin-top:18px;font-size:16px;color:var(--muted);line-height:1.85;max-width:26em;}
.features__list{display:grid;gap:24px;}
@media (min-width:768px){.features__list{grid-template-columns:1fr 1fr;}}
.feature{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh1);
  transition:box-shadow .28s cubic-bezier(.22,.61,.36,1),transform .28s cubic-bezier(.22,.61,.36,1);
}
.feature:hover{box-shadow:var(--sh3);transform:translateY(-2px);}
.feature--wide{grid-column:1/-1;display:grid;gap:26px;align-items:center;}
@media (min-width:768px){
  .feature--wide{grid-template-columns:1.1fr .9fr;}
  .features__list > .feature:nth-child(2){margin-top:34px;}
  .features__list > .feature:nth-child(3){margin-bottom:34px;}
}
.feature__num{
  display:block;font-family:var(--serif);font-size:34px;line-height:1;
  font-weight:600;color:var(--brass);margin-bottom:14px;
}
.feature__title{font-size:20px;line-height:1.4;}
.feature__text{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);}
.feature__thumb{margin-top:22px;}
.feature__thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);}
.feature--wide .feature__thumb{margin-top:0;}
.feature__arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:13px;font-weight:600;color:var(--brass);
}
.feature__arrow svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s ease;}
.feature:hover .feature__arrow svg{transform:translateX(4px);}

/* ---------- scene ---------- */
.section--dark{position:relative;background:var(--green);color:#F2F6F3;overflow:hidden;}
.section--dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(to bottom,rgba(184,135,63,.12) 0 1px,transparent 1px 32px);
}
.section--dark > .container{position:relative;}
.section--dark .h2,.section--dark .feature__title{color:#fff;}
.section--dark .section-head__sub{color:rgba(242,246,243,.7);}
.scene__grid{display:grid;gap:30px;}
@media (min-width:1024px){.scene__grid{grid-template-columns:4fr 8fr;gap:48px;}}
.scene__tabs{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;}
.scene__tabs::-webkit-scrollbar{display:none;}
@media (min-width:1024px){.scene__tabs{flex-direction:column;overflow:visible;gap:6px;padding-bottom:0;}}
.scene__tab{
  flex:0 0 auto;scroll-snap-align:start;white-space:nowrap;
  padding:8px 16px;border-radius:var(--r-pill);font-size:14px;
  color:rgba(242,246,243,.72);border:1px solid rgba(255,255,255,.2);
  transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease;
}
@media (min-width:1024px){
  .scene__tab{
    padding:14px 18px;border-radius:12px;border:1px solid transparent;
    border-left:2px solid transparent;font-size:15px;text-align:left;white-space:normal;
  }
  .scene__tab.is-active{
    color:#fff;background:rgba(255,255,255,.07);
    border-left-color:var(--brass);transform:translateX(4px);font-weight:600;
  }
}
@media (max-width:1023px){
  .scene__tab.is-active{background:rgba(255,255,255,.14);border-color:var(--brass);color:#fff;font-weight:600;}
}
.scene__panel{display:none;}
.scene__panel.is-active{display:block;animation:fadeUp .45s cubic-bezier(.22,.61,.36,1);}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.scene__inner{display:grid;gap:28px;}
@media (min-width:768px){.scene__inner{grid-template-columns:1fr 1fr;gap:36px;align-items:start;}}
.scene__inner h3{font-size:22px;line-height:1.4;}
.scene__inner p{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(242,246,243,.78);}
.scene__list{margin-top:22px;display:grid;gap:12px;}
.scene__list li{
  position:relative;padding-left:18px;
  font-size:14px;color:rgba(242,246,243,.88);
}
.scene__list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;
  background:var(--brass);border-radius:1px;
}
.scene__img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh2);}

/* ---------- stats ---------- */
.stats__grid{display:grid;gap:32px;}
@media (min-width:1024px){.stats__grid{grid-template-columns:2fr 10fr;gap:40px;align-items:start;}}
.stats__label p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.8;}
.stats__cards{display:grid;gap:20px;grid-template-columns:repeat(2,1fr);}
@media (min-width:768px){.stats__cards{grid-template-columns:repeat(4,1fr);}}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 20px;box-shadow:var(--sh1);}
.stat__num{display:flex;align-items:baseline;gap:4px;font-family:var(--serif);font-size:clamp(28px,3.4vw,42px);font-weight:600;line-height:1;color:var(--green);}
.stat__unit{font-size:14px;font-weight:600;color:var(--brass);font-family:var(--sans);}
.stat__desc{margin-top:12px;font-size:12px;line-height:1.6;color:var(--muted);}
.logos{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:48px;}
@media (min-width:768px){.logos{grid-template-columns:repeat(4,1fr);}}
.logo-item{
  height:88px;border:1px solid var(--line);border-radius:var(--r-img);
  background:#fff;overflow:hidden;transition:box-shadow .25s ease;
}
.logo-item img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%);opacity:.6;transition:filter .3s ease,opacity .3s ease;}
.logo-item:hover{box-shadow:var(--sh1);}
.logo-item:hover img{filter:none;opacity:1;}

/* ---------- news ---------- */
.news-grid{display:grid;gap:24px;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);
  transition:box-shadow .28s cubic-bezier(.22,.61,.36,1),transform .28s cubic-bezier(.22,.61,.36,1);
}
.news-card:hover{box-shadow:var(--sh3);transform:translateY(-2px);}
.news-card__cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--green-soft);}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1);}
.news-card__cover::after{content:"";position:absolute;inset:0;background:rgba(18,63,56,.16);opacity:0;transition:opacity .3s ease;}
.news-card:hover .news-card__cover::after{opacity:1;}
.news-card:hover .news-card__cover img{transform:scale(1.03);}
.news-card__body{display:flex;flex-direction:column;gap:12px;padding:22px;flex:1;}
.badge{
  align-self:flex-start;display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:6px;border:1px solid var(--brass);
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--brass);
}
.news-card__title{
  font-size:18px;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-card__title{color:var(--green);}
.news-card__desc{
  font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{margin-top:auto;display:flex;gap:14px;font-size:13px;color:#8A8F8A;}
.empty-state{
  min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;padding:36px 20px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  font-size:14px;color:var(--muted);
}
.empty-state svg{width:28px;height:28px;fill:none;stroke:var(--brass);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- faq ---------- */
.faq{max-width:760px;margin:0 auto;display:grid;gap:12px;}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .25s ease;}
.faq__item.is-open{box-shadow:var(--sh2);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;
  font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
}
.faq__icon{position:relative;flex:none;width:20px;height:20px;}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brass);
  transform:translate(-50%,-50%);transition:transform .3s cubic-bezier(.22,.61,.36,1);
}
.faq__icon::before{width:14px;height:1.75px;}
.faq__icon::after{width:1.75px;height:14px;}
.faq__item.is-open .faq__icon::before{transform:translate(-50%,-50%) rotate(45deg);}
.faq__item.is-open .faq__icon::after{transform:translate(-50%,-50%) rotate(45deg);}
.faq__a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s cubic-bezier(.22,.61,.36,1);}
.faq__item.is-open .faq__a{grid-template-rows:1fr;}
.faq__a-inner{overflow:hidden;}
.faq__a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- form ---------- */
.cta-band{background:linear-gradient(180deg,var(--green-tint),var(--paper));}
.cta-band__grid{display:grid;gap:36px;}
@media (min-width:1024px){.cta-band__grid{grid-template-columns:5fr 6fr;gap:56px;align-items:start;}}
.cta-band__copy p{margin-top:18px;font-size:15px;line-height:1.9;color:var(--muted);max-width:30em;}
.cta-band__tel{display:inline-flex;align-items:center;gap:10px;margin-top:26px;font-size:20px;font-weight:600;color:var(--green);font-family:var(--serif);}
.cta-band__tel svg{width:20px;height:20px;fill:none;stroke:var(--brass);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.cta-band__note{margin-top:14px;font-size:13px;color:var(--muted);}
.form{
  display:grid;gap:16px;padding:28px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh2);
}
.form__row{display:grid;gap:16px;}
@media (min-width:640px){.form__row--2{grid-template-columns:1fr 1fr;}}
.field{display:grid;gap:8px;}
.field label{font-size:13px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#9AA09B;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(18,63,56,.14);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--vermillion);}
.field__error{display:none;font-size:13px;color:var(--vermillion);}
.field.has-error .field__error{display:block;}
.form__submit{width:100%;}
@media (max-width:639px){.form__submit{width:100%;}}
.form__success{
  display:none;align-items:center;gap:10px;
  padding:14px 16px;border-radius:var(--r-btn);
  background:var(--green-soft);color:var(--green);font-size:14px;font-weight:500;
}
.form__success.is-visible{display:flex;}
.form__success svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--green);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- footer ---------- */
.site-footer{background:var(--green-deep);color:#D8E2DD;padding:64px 0 0;}
.footer-grid{display:grid;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand__name{font-family:var(--serif);font-size:20px;font-weight:600;color:#fff;}
.footer-brand__slogan{margin-top:8px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brass);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(216,226,221,.75);max-width:24em;}
.footer-col h4{font-family:var(--sans);font-size:14px;font-weight:600;color:#fff;letter-spacing:.04em;margin-bottom:14px;}
.footer-col a,.footer-col span{display:block;padding:6px 0;font-size:14px;color:rgba(216,226,221,.75);transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:12px;color:rgba(216,226,221,.6);
}
@media (max-width:767px){
  .footer-bottom{justify-content:center;text-align:center;font-size:12px;}
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s cubic-bezier(.22,.61,.36,1),transform .5s cubic-bezier(.22,.61,.36,1);}
.reveal.is-visible{opacity:1;transform:none;}
.reveal--d1{transition-delay:.06s;}
.reveal--d2{transition-delay:.12s;}
.reveal--d3{transition-delay:.18s;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: article */
:root{
  --ink:#123F38;
  --ink-deep:#0C2E29;
  --ink-soft:#E3EDE9;
  --copper:#B8873F;
  --cinnabar:#C0452C;
  --cinnabar-deep:#A83A23;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --line:#E2DED4;
  --text:#101613;
  --muted:#6B6F6A;
  --placeholder:#9AA09B;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,22,19,.06);
  --sh2:0 8px 24px -8px rgba(16,22,19,.12);
  --sh3:0 16px 40px -12px rgba(16,22,19,.18);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,SimSun,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --gap-sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:22px}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:3px solid rgba(18,63,56,.28);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 40px}}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  padding:14px 26px;min-height:44px;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s ease}
.btn:hover svg{transform:translateX(4px)}
.btn--primary{background:var(--cinnabar);color:#fff;box-shadow:var(--sh1)}
.btn--primary:hover{background:var(--cinnabar-deep);box-shadow:var(--sh2)}
.btn--primary:active{transform:translateY(1px)}
.btn--primary:focus-visible{outline:3px solid rgba(192,69,44,.35);outline-offset:2px}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--sm{padding:10px 18px;font-size:14px;min-height:40px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--copper);font-weight:600;font-size:14px;
  border-bottom:1px solid rgba(184,135,63,.5);padding-bottom:2px;
  transition:border-color .25s ease,gap .25s ease;
}
.text-link:hover{border-bottom-width:2px;gap:10px}
.text-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh2)}
.header-inner{
  display:flex;align-items:center;
  height:72px;gap:34px;
  max-width:1200px;margin:0 auto;padding:0 40px;
  transition:height .3s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:baseline;gap:10px;flex-shrink:0}
.brand__mark{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand__slogan{font-size:12px;font-weight:600;color:var(--copper);letter-spacing:.08em;position:relative;padding-left:18px}
.brand__slogan::before{content:"";position:absolute;left:0;top:50%;width:12px;height:1px;background:var(--copper)}
.nav-desktop{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text);
  padding:6px 2px;transition:color .25s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;
  transition:transform .28s cubic-bezier(.22,.61,.36,1);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.header-tel{font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid rgba(184,135,63,.55);padding-bottom:1px}
.header-tel:hover{color:var(--copper)}
.mobile-topbar{display:none}
.drawer-toggle{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--white);display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;cursor:pointer;
}
.drawer-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,46,41,.42);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.site-drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;background:var(--white);
  box-shadow:var(--sh3);z-index:71;padding:24px 22px;
  transform:translateX(100%);transition:transform .32s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;gap:22px;
}
.site-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head .brand__mark{font-size:20px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;color:var(--ink);font-size:18px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:12px 4px;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-nav a:hover{color:var(--copper)}

/* 底部 Tab */
.mobile-tabbar{display:none}
body{padding-bottom:0}
@media (max-width:900px){
  .header-inner{display:none}
  .mobile-topbar{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;padding:0 16px;background:var(--white);
  }
  .mobile-topbar .brand__mark{font-size:18px}
  .mobile-topbar .brand__slogan{font-size:11px;padding-left:14px}
  .mobile-topbar .brand__slogan::before{width:8px}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
    background:var(--white);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 24px -14px rgba(16,22,19,.22);
  }
  .tab-item{
    position:relative;flex:1;height:56px;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:3px;
    font-size:11px;font-weight:600;color:var(--muted);
  }
  .tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
  .tab-item.is-active{color:var(--ink)}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:24px;height:2px;background:var(--copper);
  }
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
}

/* ============ 阅读进度条 ============ */
.read-progress{
  position:fixed;top:0;left:0;height:1px;width:0;background:var(--copper);
  z-index:80;transition:width .1s linear;
}

/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;font-size:14px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--copper);font-weight:600}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--copper)}
.breadcrumb span[aria-current]{color:var(--text);font-weight:600}

/* ============ 文章页主体 ============ */
.article-shell{padding:22px 0 96px}
.article-head{max-width:900px}
.stamp{
  display:inline-block;border:1px solid var(--copper);color:var(--copper);
  border-radius:4px;padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.08em;
  background:rgba(184,135,63,.06);
}
.article-title{
  font-family:var(--serif);
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.2;font-weight:600;letter-spacing:-.01em;
  margin:18px 0 16px;color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  font-size:13px;font-weight:500;color:var(--muted);
}
.article-meta i{width:4px;height:4px;border-radius:50%;background:var(--copper);display:inline-block}
.article-cover{
  margin-top:28px;width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--sh2);background:var(--ink-soft);
}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;margin-top:40px;align-items:start;
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
}

/* 正文排版 */
.article-body{
  max-width:780px;font-size:17px;line-height:1.9;color:var(--text);
}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-family:var(--serif);font-weight:600;color:var(--ink);
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;
  border-left:4px solid var(--copper);padding-left:16px;
  margin:42px 0 18px;
}
.article-body h3{
  font-size:20px;font-weight:600;line-height:1.4;color:var(--ink);
  margin:30px 0 12px;
}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body p{margin:0 0 1.4em}
.article-body a{color:var(--copper);border-bottom:1px solid rgba(184,135,63,.5);padding-bottom:1px}
.article-body a:hover{border-bottom-width:2px}
.article-body strong{font-weight:600;color:var(--ink)}
.article-body blockquote{
  border-left:3px solid var(--ink);background:var(--ink-soft);
  border-radius:0 12px 12px 0;padding:16px 22px;margin:26px 0;
  font-style:normal;color:#26302C;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{list-style:square;margin:0 0 1.4em;padding-left:22px}
.article-body ul li::marker{color:var(--copper)}
.article-body ol{margin:0 0 1.4em}
.article-body ol li::marker{color:var(--copper);font-family:var(--serif);font-weight:600}
.article-body li{margin-bottom:10px}
.article-body img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--sh1)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:26px 0;
  border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
}
.article-body th{background:var(--ink-soft);color:var(--ink);font-weight:600;text-align:left}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;line-height:1.6}
.article-body tr{height:44px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);background:rgba(255,255,255,.7);
  border-radius:var(--r-card);padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-state svg{width:40px;height:40px;stroke:var(--copper);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:14px;color:var(--muted);margin:0}

/* 侧栏 */
.article-aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
@media (max-width:1023px){.article-aside{position:static}}
.aside-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);
}
.aside-card h3{
  font-size:15px;font-weight:600;color:var(--ink);margin-bottom:16px;
  padding-left:12px;position:relative;
}
.aside-card h3::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--copper);border-radius:2px}
.aside-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.aside-list a{font-size:14px;font-weight:500;color:var(--text);line-height:1.6;display:block;transition:color .2s ease}
.aside-list a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--copper);text-underline-offset:3px}
.aside-list li+li{border-top:1px solid var(--line);padding-top:12px}
.aside-svc{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}
.aside-svc a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14px;font-weight:500;padding:11px 0;border-bottom:1px solid var(--line);
  color:var(--text);transition:color .2s ease,padding-left .2s ease;
}
.aside-svc a:last-child{border-bottom:0}
.aside-svc a:hover{color:var(--ink);padding-left:4px}
.aside-svc svg{width:15px;height:15px;stroke:var(--copper);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.aside-cta{
  background:var(--ink);color:#F2EFE8;border:0;
  background-image:repeating-linear-gradient(to bottom,rgba(184,135,63,.08) 0,rgba(184,135,63,.08) 1px,transparent 1px,transparent 32px);
}
.aside-cta h3{color:#fff}
.aside-cta h3::before{background:var(--copper)}
.aside-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);margin-bottom:18px}
.aside-cta .aside-tel{display:block;margin-top:14px;font-size:15px;font-weight:600;color:var(--copper);letter-spacing:.02em}

/* 相关推荐 */
.related{padding:0 0 96px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.related-head h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);font-weight:600;color:var(--ink)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:1023px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767px){
  .related-grid{
    display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding-bottom:8px;margin:0 -20px;padding-left:20px;padding-right:20px;
  }
  .related-grid::-webkit-scrollbar{display:none}
  .post-card{flex:0 0 78vw;scroll-snap-align:start}
}
.post-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh1);
  display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh3)}
.post-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-soft)}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card__media::after{
  content:"";position:absolute;inset:0;background:rgba(18,63,56,.16);
  opacity:0;transition:opacity .3s ease;
}
.post-card:hover .post-card__media::after{opacity:1}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__title{font-size:17px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.post-card:hover .post-card__title{color:var(--ink)}
.post-card__excerpt{font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.post-card__meta i{width:3px;height:3px;border-radius:50%;background:var(--copper);display:inline-block}

/* 底部转化带 */
.cta-band{background:var(--ink-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;
}
.cta-band h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);font-weight:600;color:var(--ink);line-height:1.3}
.cta-band p{margin-top:10px;font-size:15px;color:var(--muted);max-width:560px}
.cta-band__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-band__tel{font-size:16px;font-weight:600;color:var(--ink);border-bottom:1.5px solid rgba(184,135,63,.6);padding-bottom:2px}
.cta-band__tel:hover{color:var(--copper)}
@media (max-width:900px){
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:24px;padding:56px 0}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(247,245,240,.86);padding:72px 0 28px;margin-bottom:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
.footer-brand__name{font-family:var(--serif);font-size:22px;font-weight:700;color:#fff;letter-spacing:-.01em}
.footer-brand__slogan{font-size:13px;font-weight:600;color:var(--copper);letter-spacing:.08em;margin-top:6px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(247,245,240,.68);margin-top:16px;max-width:320px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:6px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(247,245,240,.7);transition:color .2s ease}
.footer-col a:hover{color:var(--copper)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(247,245,240,.6);
}
@media (max-width:767px){
  .footer-bottom{flex-direction:column;text-align:center;font-size:12px;gap:8px}
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s cubic-bezier(.22,.61,.36,1),transform .5s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .3s ease}
  .post-card,.post-card__media img,.btn svg{transition:none}
  .post-card:hover{transform:none}
  .read-progress{transition:none}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --ink:#101613;
  --ink-soft:#6B6F6A;
  --line:#E2DED4;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --green:#123F38;
  --green-deep:#0C2E29;
  --green-soft:#E3EDE9;
  --brass:#B8873F;
  --verm:#C0452C;
  --verm-deep:#A6391F;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,22,19,.06);
  --sh-2:0 8px 24px -8px rgba(16,22,19,.12);
  --sh-3:0 16px 40px -12px rgba(16,22,19,.18);
  --sp-block:104px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::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:1.75;
  color:var(--ink);
  background:var(--paper);
  padding-top:72px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid rgba(18,63,56,.28);outline-offset:2px;border-radius:6px}

/* ============ 容器 ============ */
.container{max-width:1200px;margin:0 auto;padding:0 40px}
.container-narrow{max-width:800px;margin:0 auto;padding:0 40px}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 40px;height:72px;
  display:flex;align-items:center;gap:40px;
  transition:height .3s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:baseline;gap:10px;flex:0 0 auto}
.brand__mark{
  font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.04em;color:var(--green);
}
.brand__slogan{
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--ink-soft);
  padding-left:10px;border-left:1px solid var(--line);
}
.nav-desktop{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;transition:color .25s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brass);
  transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.22,.61,.36,1);
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--green);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.header-tel{
  font-size:14px;font-weight:600;color:var(--green);font-variant-numeric:tabular-nums;
  border-bottom:1.5px solid var(--brass);padding-bottom:2px;transition:border-color .25s ease;
}
.header-tel:hover{border-color:var(--green)}

/* 移动端极简条 */
.mobile-topbar{
  display:none;height:48px;align-items:center;justify-content:space-between;
  padding:0 20px;background:var(--white);
}
.mobile-topbar .brand__mark{font-size:18px}
.mobile-topbar .brand__slogan{font-size:11px;padding-left:8px}
.drawer-toggle{width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.drawer-toggle span{display:block;width:20px;height:2px;background:var(--green);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.drawer-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.drawer-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.drawer-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 抽屉 */
.site-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;background:var(--white);
  box-shadow:var(--sh-3);z-index:90;transform:translateX(100%);
  transition:transform .32s cubic-bezier(.22,.61,.36,1);
  padding:80px 24px 32px;display:flex;flex-direction:column;gap:4px;
}
.site-drawer.is-open{transform:translateX(0)}
.site-drawer a{
  padding:14px 0;font-size:16px;font-weight:500;border-bottom:1px solid var(--line);
}
.site-drawer a.is-active{color:var(--green);font-weight:600}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,22,19,.4);z-index:85;opacity:0;pointer-events:none;
  transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;letter-spacing:.01em;
  padding:14px 26px;min-height:48px;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,box-shadow .25s ease,transform .2s ease;
}
.btn svg{transition:transform .25s cubic-bezier(.22,.61,.36,1)}
.btn:hover svg{transform:translateX(4px)}
.btn--primary{background:var(--verm);color:#fff}
.btn--primary:hover{background:var(--verm-deep);box-shadow:var(--sh-2)}
.btn--primary:active{background:#8F301A}
.btn--ghost{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.btn--ghost:hover{background:var(--green);color:#fff}
.btn--light{background:transparent;color:#F7F5F0;border:1.5px solid rgba(247,245,240,.5)}
.btn--light:hover{background:rgba(247,245,240,.12);border-color:#F7F5F0}
.btn--sm{padding:10px 20px;min-height:40px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;background:var(--green);color:#F7F5F0;
  min-height:40vh;display:flex;align-items:center;
  padding:72px 0 64px;overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(to bottom,rgba(184,135,63,.09) 0 1px,transparent 1px 32px);
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,135,63,.16),transparent 68%);pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;width:100%}
.cat-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:rgba(247,245,240,.68);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{transition:color .25s ease}
.breadcrumb a:hover{color:#F7F5F0}
.breadcrumb .sep{color:var(--brass)}
.breadcrumb .current{color:rgba(247,245,240,.92)}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brass);margin-bottom:18px;
}
.hero-kicker::before{content:"";width:28px;height:1.5px;background:var(--brass);display:block}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,50px);line-height:1.18;color:#F7F5F0;
  margin-bottom:20px;max-width:620px;
}
.hero-sub{
  font-size:18px;line-height:1.7;color:rgba(247,245,240,.82);max-width:520px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-2);
}
.seal{
  position:absolute;right:16px;bottom:16px;
  width:74px;height:74px;border:1.5px solid var(--brass);border-radius:6px;
  background:rgba(12,46,41,.72);color:#E9D6B4;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-family:var(--serif);font-size:15px;font-weight:600;letter-spacing:.08em;line-height:1.2;
}
.seal small{font-family:var(--sans);font-size:10px;font-weight:500;letter-spacing:.14em;opacity:.8}

/* ============ 数据带 ============ */
.stat-band{background:var(--white);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:40px 0}
.stat-item{border-left:1px solid var(--line);padding-left:20px}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-value{
  font-family:var(--serif);font-size:40px;line-height:1.1;font-weight:600;color:var(--green);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-value span{font-size:18px;margin-left:4px;color:var(--brass)}
.stat-label{font-size:13px;font-weight:500;color:var(--ink-soft);margin-top:8px}

/* ============ 主内容布局 ============ */
.cat-body{padding:var(--sp-block) 0}
.cat-layout{display:grid;grid-template-columns:3fr 9fr;gap:24px;align-items:start}
.cat-side{position:sticky;top:96px}
.cat-side__title{
  font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--ink-soft);
  text-transform:uppercase;margin-bottom:16px;
}
.anchor-nav{display:flex;flex-direction:column;border-left:1px solid var(--line)}
.anchor-link{
  position:relative;display:block;padding:11px 0 11px 18px;
  font-size:15px;font-weight:500;color:var(--ink-soft);
  transition:color .25s ease,transform .25s ease;
}
.anchor-link::before{
  content:"";position:absolute;left:-1px;top:50%;transform:translateY(-50%) scaleY(0);
  width:2px;height:22px;background:var(--brass);transition:transform .28s cubic-bezier(.22,.61,.36,1);
}
.anchor-link:hover{color:var(--green);transform:translateX(3px)}
.anchor-link.is-active{color:var(--green);font-weight:600}
.anchor-link.is-active::before{transform:translateY(-50%) scaleY(1)}
.side-note{
  margin-top:28px;padding:20px;background:var(--green-soft);border-radius:var(--r-card);
}
.side-note p{font-size:14px;line-height:1.7;color:var(--green-deep)}
.side-note strong{display:block;font-family:var(--serif);font-size:16px;margin-bottom:8px;color:var(--green)}
.side-note a{
  display:inline-block;margin-top:12px;font-size:14px;font-weight:600;color:var(--verm);
  border-bottom:1.5px solid rgba(192,69,44,.4);padding-bottom:2px;
}
.side-note a:hover{border-color:var(--verm)}

/* ============ 内容小节 ============ */
.block{margin-bottom:72px;scroll-margin-top:100px}
.block:last-child{margin-bottom:0}
.block-head{margin-bottom:32px}
.block-head h2{
  position:relative;font-size:clamp(23px,2.6vw,31px);line-height:1.3;padding-left:16px;
}
.block-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--brass);border-radius:2px;
}
.block-head p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--ink-soft);max-width:640px}

/* 网格编号卡 */
.tile-grid{
  display:grid;grid-template-columns:1fr 1fr;
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.tile{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  padding:26px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--white);transition:background-color .25s ease;
}
.tile:hover{background:#FBF9F4}
.tile__idx{
  font-family:var(--serif);font-size:20px;font-weight:600;color:var(--brass);
  line-height:1.4;font-variant-numeric:tabular-nums;
}
.tile__title{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:8px;transition:color .25s ease}
.tile:hover .tile__title{color:var(--green)}
.tile__desc{font-size:14.5px;line-height:1.75;color:var(--ink-soft)}
.tile__more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;font-weight:600;color:var(--brass);
}
.tile__more svg{transition:transform .25s cubic-bezier(.22,.61,.36,1)}
.tile:hover .tile__more svg{transform:translateX(4px)}

/* 清单 */
.checklist{border-top:1px solid var(--line)}
.checklist li{
  display:flex;align-items:flex-start;gap:14px;padding:18px 4px;
  border-bottom:1px solid var(--line);font-size:15px;line-height:1.75;
}
.checklist .dot{
  flex:0 0 auto;width:22px;height:22px;border:1.5px solid var(--brass);border-radius:4px;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.checklist .dot svg{width:12px;height:12px;stroke:var(--brass);stroke-width:2.4;fill:none}
.checklist strong{font-weight:600;color:var(--ink)}

/* 节奏 */
.pace{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--white)}
.pace__item{padding:24px 20px;border-right:1px solid var(--line)}
.pace__item:last-child{border-right:0}
.pace__step{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--brass);margin-bottom:10px}
.pace__name{font-family:var(--serif);font-size:17px;font-weight:600;margin-bottom:8px}
.pace__text{font-size:13.5px;line-height:1.7;color:var(--ink-soft)}

/* 图文小卡 */
.note-card{
  display:grid;grid-template-columns:5fr 7fr;gap:0;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.note-card img{width:100%;height:100%;min-height:220px;object-fit:cover}
.note-card__body{padding:28px 28px 26px}
.note-card__body h3{font-size:20px;line-height:1.4;margin-bottom:12px}
.note-card__body p{font-size:15px;line-height:1.8;color:var(--ink-soft)}
.note-tags{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(--green-soft);color:var(--green-deep);font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag--line{background:transparent;border:1px solid rgba(184,135,63,.5);color:var(--brass)}

/* ============ FAQ ============ */
.faq-wrap{max-width:760px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .3s cubic-bezier(.22,.61,.36,1)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brass);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s cubic-bezier(.22,.61,.36,1)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a__inner{overflow:hidden}
.faq-a__inner p{
  padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-soft);
}

/* ============ CTA 带 ============ */
.cta-band{background:var(--green-soft);padding:72px 0;border-top:1px solid var(--line)}
.cta-band__inner{
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(23px,2.6vw,31px);line-height:1.3;margin-bottom:14px}
.cta-band p{font-size:15.5px;line-height:1.85;color:var(--green-deep);max-width:560px}
.cta-band__actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.cta-tel{
  font-size:15px;font-weight:600;color:var(--green);font-variant-numeric:tabular-nums;
  border-bottom:1.5px solid var(--brass);padding-bottom:2px;
}
.cta-tel:hover{border-color:var(--green)}

/* ============ 页脚 ============ */
.site-footer{background:var(--green-deep);color:rgba(247,245,240,.78);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:4fr 2.4fr 2.6fr 3fr;gap:40px;padding-bottom:48px}
.footer-brand__name{font-family:var(--serif);font-size:22px;font-weight:700;color:#F7F5F0;letter-spacing:.04em}
.footer-brand__slogan{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brass);margin-top:6px}
.footer-desc{font-size:14px;line-height:1.85;margin-top:16px;max-width:300px;color:rgba(247,245,240,.66)}
.footer-col h4{font-family:var(--sans);font-size:14px;font-weight:600;color:#F7F5F0;margin-bottom:18px;letter-spacing:.04em}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:1.6;padding:5px 0;color:rgba(247,245,240,.72);transition:color .25s ease}
.footer-col a:hover{color:var(--brass)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 26px;font-size:12.5px;color:rgba(247,245,240,.56);letter-spacing:.02em;
}

/* ============ 移动底部 Tab ============ */
.tabbar{display:none}
.tabbar__item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;font-weight:500;color:var(--ink-soft);position:relative;min-height:44px;
}
.tabbar__item svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}
.tabbar__item.is-active{color:var(--green);font-weight:600}
.tabbar__item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:2px;background:var(--brass);border-radius:0 0 2px 2px;
}

/* 移动固定转化条 */
.mobile-cta{display:none}
.mobile-cta__text{font-size:13px;font-weight:600;color:var(--ink)}

/* 桌面浮动卡 */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:75;
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta__body{
  width:220px;background:var(--green);color:#F7F5F0;border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-3);
}
.float-cta__body p{font-size:14px;line-height:1.7;margin-bottom:14px}
.float-cta__body .btn{width:100%;padding:11px 18px;min-height:42px;font-size:14px}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .5s cubic-bezier(.22,.61,.36,1),transform .5s cubic-bezier(.22,.61,.36,1)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .reveal.is-in{transition:opacity .3s ease}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ============ 响应式：平板 768-1023 ============ */
@media (max-width:1023px){
  body{padding-top:48px;padding-bottom:calc(104px + env(safe-area-inset-bottom))}
  .container,.container-narrow{padding:0 20px}
  .site-header{height:48px}
  .header-inner{display:none}
  .mobile-topbar{display:flex}
  :root{--sp-block:80px}
  .cat-hero{padding:48px 0 44px;min-height:auto}
  .cat-hero__grid{grid-template-columns:1fr;gap:0}
  .hero-figure{display:none}
  .cat-layout{grid-template-columns:1fr;gap:32px}
  .cat-side{position:static}
  .anchor-nav{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);scroll-snap-type:x mandatory}
  .anchor-link{white-space:nowrap;padding:12px 16px 12px 0;scroll-snap-align:start}
  .anchor-link::before{left:0;right:auto;top:auto;bottom:-1px;width:100%;height:2px;transform:scaleX(0) translateY(0)}
  .anchor-link.is-active::before{transform:scaleX(1)}
  .anchor-link:hover{transform:none}
  .side-note{display:none}
  .pace{grid-template-columns:1fr 1fr}
  .pace__item:nth-child(2){border-right:0}
  .pace__item:nth-child(1),.pace__item:nth-child(2){border-bottom:1px solid var(--line)}
  .stat-grid{grid-template-columns:1fr 1fr;gap:20px;padding:32px 0}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .note-card{grid-template-columns:1fr}
  .note-card img{min-height:200px;aspect-ratio:16/9}
  .cta-band__inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:6px;text-align:center}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:78;height:56px;
    background:var(--white);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-cta{
    position:fixed;left:0;right:0;bottom:calc(56px + env(safe-area-inset-bottom));z-index:77;
    height:48px;display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:0 20px;background:var(--white);border-top:1px solid var(--line);box-shadow:var(--sh-1);
    transform:translateY(110%);transition:transform .3s ease;
  }
  .mobile-cta.is-visible{transform:translateY(0)}
  .mobile-cta .btn{padding:8px 16px;min-height:36px;font-size:13px}
  .float-cta{display:none}
}

/* ============ 响应式：手机 ≤767 ============ */
@media (max-width:767px){
  :root{--sp-block:64px}
  body{font-size:16px}
  .cat-hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-sub{font-size:16px;margin-bottom:26px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .tile-grid{grid-template-columns:1fr}
  .tile{padding:22px 18px}
  .stat-value{font-size:32px}
  .pace{grid-template-columns:1fr}
  .pace__item{border-right:0;border-bottom:1px solid var(--line)}
  .pace__item:last-child{border-bottom:0}
  .cta-band{padding:56px 0}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .block{margin-bottom:56px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a__inner p{padding:0 18px 18px}
}

/* roulang page: category2 */
:root{
  --ink:#101613;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --green:#123F38;
  --green-dark:#0C2E29;
  --green-light:#E3EDE9;
  --gold:#B8873F;
  --cinnabar:#C0452C;
  --border:#E2DED4;
  --muted:#6B6F6A;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,22,19,.06);
  --sh2:0 8px 24px -8px rgba(16,22,19,.12);
  --sh3:0 16px 40px -12px rgba(16,22,19,.18);
  --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;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--serif);margin:0;letter-spacing:-.01em;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(18,63,56,.28);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 20px;}}
.mono{font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--white);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-compact{box-shadow:var(--sh2);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height .25s var(--ease);
}
.site-header.is-compact .header-inner{height:64px;}
@media (min-width:1024px){.header-inner{padding:0 20px;}}
.brand{display:flex;align-items:baseline;gap:9px;flex-shrink:0;}
.brand__mark{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--green);letter-spacing:.02em;}
.brand__slogan{font-size:13px;color:var(--muted);letter-spacing:.06em;font-weight:500;}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:#2C3330;
  border-bottom:2px solid transparent;transition:color .2s,border-color .2s;
}
.nav-link:hover{color:var(--green);border-bottom-color:var(--gold);}
.nav-link.is-active{color:var(--green);border-bottom-color:var(--gold);font-weight:600;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:18px;}
.header-tel{font-size:15px;font-weight:600;color:var(--green);font-variant-numeric:tabular-nums;border-bottom:1px solid rgba(184,135,63,.5);padding-bottom:2px;transition:border-color .2s;}
.header-tel:hover{border-bottom-color:var(--gold);}
.mobile-topbar{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;line-height:1;
  padding:14px 26px;border:1.5px solid transparent;cursor:pointer;
  min-height:44px;white-space:nowrap;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn__arrow{transition:transform .25s var(--ease);}
.btn--primary{background:var(--cinnabar);color:#fff;box-shadow:var(--sh1);}
.btn--primary:hover{background:#AD3E27;box-shadow:var(--sh2);}
.btn--primary:hover .btn__arrow{transform:translateX(4px);}
.btn--primary:active{background:#9B3722;}
.btn--primary:focus-visible{outline:3px solid rgba(192,69,44,.35);outline-offset:2px;}
.btn--ghost{background:transparent;border-color:var(--green);color:var(--green);}
.btn--ghost:hover{background:var(--green);color:#fff;}
.btn--ghost:active{background:var(--green-dark);border-color:var(--green-dark);}
.btn--ghost:focus-visible{outline:3px solid rgba(18,63,56,.26);outline-offset:2px;}
.btn--sm{padding:10px 18px;font-size:14px;min-height:40px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;box-shadow:none;}
.btn.is-loading{pointer-events:none;opacity:.85;}
.btn.is-loading .btn__arrow{display:none;}
.spinner{width:14px;height:14px;animation:spin .9s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- 抽屉 ---------- */
.site-drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;background:var(--white);
  box-shadow:var(--sh3);transform:translateX(102%);transition:transform .3s var(--ease);
  z-index:90;padding:24px 24px 32px;display:flex;flex-direction:column;gap:6px;
}
.site-drawer.is-open{transform:translateX(0);}
.site-drawer__title{font-family:var(--serif);font-size:18px;color:var(--green);margin-bottom:10px;}
.site-drawer a{
  padding:13px 4px;font-size:16px;color:#22282
5;border-bottom:1px solid var(--border);
}
.site-drawer a.is-active{color:var(--green);font-weight:600;}
.site-drawer__foot{margin-top:auto;font-size:14px;color:var(--muted);}
.drawer-mask{position:fixed;inset:0;background:rgba(12,46,41,.4);opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:80;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:75;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--white);border-top:1px solid var(--border);
  box-shadow:0 -6px 18px -12px rgba(16,22,19,.22);
}
.mobile-tabbar__inner{display:flex;height:56px;}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--muted);position:relative;min-width:44px;
}
.tab-item svg{width:22px;height:22px;stroke:var(--muted);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.is-active{color:var(--green);font-weight:600;}
.tab-item.is-active svg{stroke:var(--green);}
.tab-item.is-active::before{content:"";position:absolute;top:0;width:22px;height:2px;background:var(--gold);border-radius:2px;}

/* ---------- 面包屑 / 小标 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb__sep{color:var(--gold);}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--gold);margin-bottom:18px;}
.eyebrow__dash{display:inline-block;width:26px;height:1px;background:var(--gold);}
.seal{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--gold);color:var(--gold);background:rgba(247,245,240,.94);
  font-family:var(--serif);font-size:13px;letter-spacing:.18em;
  padding:9px 8px;border-radius:4px;line-height:1.15;text-align:center;
}
.ledger-lines{background-image:repeating-linear-gradient(to bottom,rgba(184,135,63,.08) 0 1px,transparent 1px 32px);}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  background:var(--paper);
  padding:64px 0 88px;
  border-bottom:1px solid var(--border);
}
.cat-hero__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.cat-hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.18;color:var(--green-dark);margin-bottom:18px;}
.cat-hero__sub{font-size:17px;color:#3A423E;max-width:560px;margin-bottom:30px;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.trust-line{display:flex;flex-wrap:wrap;align-items:center;gap:0 18px;font-size:13px;color:var(--muted);}
.trust-line li{position:relative;padding-left:14px;}
.trust-line li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--gold);}
.cat-hero__media{position:relative;}
.cat-hero__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh2);border:1px solid var(--border);
}
.cat-hero__media .seal{position:absolute;right:16px;bottom:16px;}

/* ---------- 板块头 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-kicker{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--gold);margin-bottom:14px;text-transform:uppercase;}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.28;color:var(--green-dark);margin-bottom:16px;}
.section-lead{font-size:16.5px;color:#3A423E;max-width:720px;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;background:rgba(184,135,63,.38);}
.timeline__item{display:grid;grid-template-columns:48px 1fr;gap:28px;margin-bottom:20px;position:relative;}
.timeline__item:last-child{margin-bottom:0;}
.timeline__node{
  width:48px;height:48px;border-radius:50%;background:var(--white);
  border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:15px;font-weight:600;color:var(--gold);
  position:relative;z-index:1;
}
.timeline__body{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:26px 28px;transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.timeline__body:hover{box-shadow:var(--sh3);transform:translateY(-2px);}
.timeline__body h3{font-size:20px;color:var(--green-dark);margin-bottom:10px;}
.timeline__body p{font-size:16px;color:#3A423E;max-width:760px;margin-bottom:16px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chips li{
  font-size:13px;font-weight:500;color:var(--green);
  background:var(--green-light);border-radius:var(--r-pill);
  padding:5px 13px;line-height:1.5;
}

/* ---------- 深色数据带 ---------- */
.band-dark{position:relative;background:var(--green);color:#F1EFE8;padding:88px 0;overflow:hidden;}
.band-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(to bottom,rgba(184,135,63,.10) 0 1px,transparent 1px 32px);
}
.band-dark .container{position:relative;}
.band-dark__head{max-width:720px;margin-bottom:48px;}
.band-dark__head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;color:#fff;margin-bottom:14px;}
.band-dark__head p{color:rgba(241,239,232,.78);font-size:16px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);
  padding:26px 22px;background:rgba(255,255,255,.03);
  transition:border-color .25s var(--ease),background-color .25s var(--ease);
}
.stat:hover{border-color:rgba(184,135,63,.6);background:rgba(255,255,255,.06);}
.stat__value{display:flex;align-items:baseline;gap:6px;font-family:var(--serif);color:#fff;font-variant-numeric:tabular-nums;}
.stat__num{font-size:44px;line-height:1;font-weight:600;letter-spacing:-.02em;}
.stat__unit{font-size:15px;color:var(--gold);font-weight:600;}
.stat p{margin-top:12px;font-size:14px;line-height:1.65;color:rgba(241,239,232,.74);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto;}
.faq-item{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .25s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink);font-family:var(--sans);
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--gold);
  color:var(--gold);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform .3s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease);}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a__inner{overflow:hidden;}
.faq-a p{padding:0 22px 22px;font-size:16px;line-height:1.85;color:#3A423E;}

/* ---------- CTA / 表单 ---------- */
.cta-band{background:var(--green-light);padding:88px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-grid h2{font-size:clamp(24px,3vw,34px);line-height:1.3;color:var(--green-dark);margin-bottom:16px;}
.cta-grid .cta-desc{font-size:16.5px;color:#3A423E;margin-bottom:26px;max-width:520px;}
.cta-points li{position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;color:#2C3330;}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border:1px solid var(--gold);}
.cta-tel{margin-top:22px;font-size:15px;color:var(--muted);}
.cta-tel a{color:var(--green);font-weight:600;border-bottom:1px solid var(--gold);font-variant-numeric:tabular-nums;}
.form-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh2);padding:28px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.02em;}
.field input,.field textarea{
  width:100%;background:var(--white);border:1px solid var(--border);border-radius:var(--r-btn);
  padding:12px 14px;font-size:15px;line-height:1.5;transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder,.field textarea::placeholder{color:#9AA09B;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(18,63,56,.14);
}
.field.has-error input{border-color:var(--cinnabar);}
.field__msg{font-size:13px;color:var(--cinnabar);display:none;}
.field.has-error .field__msg{display:block;}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7;}
.form-success{
  display:none;align-items:center;gap:10px;background:var(--green-light);
  border:1px solid rgba(18,63,56,.18);border-radius:var(--r-btn);
  padding:14px 16px;font-size:15px;color:var(--green);margin-top:16px;
}
.form-success.is-visible{display:flex;}

/* ---------- 通用动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.reveal--2{transition-delay:60ms;}
.reveal--3{transition-delay:120ms;}
.reveal--4{transition-delay:180ms;}

/* ---------- 空态 / 骨架 ---------- */
.empty-state{
  border:1px dashed var(--border);background:rgba(227,237,233,.4);border-radius:var(--r-card);
  padding:40px 24px;text-align:center;color:var(--muted);font-size:14px;
}
.empty-state svg{width:28px;height:28px;stroke:var(--gold);fill:none;stroke-width:1.5;margin:0 auto 12px;}
.empty-state a{color:var(--green);font-weight:600;border-bottom:1px solid var(--gold);}
.skeleton{background:#EDEAE3;border-radius:8px;position:relative;overflow:hidden;}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);
  animation:shimmer 1.6s infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%);}100%{transform:translateX(100%);}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-dark);color:#EDEBE3;padding:68px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand__name{font-family:var(--serif);font-size:22px;font-weight:700;color:#fff;letter-spacing:.04em;}
.footer-brand__slogan{font-size:13px;color:var(--gold);letter-spacing:.1em;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(237,235,227,.72);max-width:300px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-family:var(--sans);font-weight:600;letter-spacing:.02em;}
.footer-col a,.footer-col span{display:block;font-size:14px;color:rgba(237,235,227,.72);margin-bottom:10px;transition:color .2s;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;font-size:12px;color:rgba(237,235,227,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{display:none;}
  .mobile-topbar{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;padding:0 20px;background:var(--white);
  }
  .mobile-topbar .brand__mark{font-size:18px;}
  .mobile-topbar .brand__slogan{font-size:11px;}
  .drawer-toggle{
    width:44px;height:44px;background:none;border:0;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:5px;cursor:pointer;margin-right:-10px;
  }
  .drawer-toggle span{display:block;width:20px;height:2px;background:var(--green);border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease);}
  .drawer-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .drawer-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .drawer-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .mobile-tabbar{display:block;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .cat-hero{padding:40px 0 64px;}
  .cat-hero__grid{grid-template-columns:1fr;gap:36px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:80px 0;}
  .band-dark,.cta-band{padding:72px 0;}
}
@media (max-width:767px){
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .band-dark,.cta-band{padding:56px 0;}
  .cat-hero h1{font-size:28px;}
  .cat-hero__sub{font-size:16px;}
  .btn-row .btn{width:100%;}
  .timeline::before{left:17px;}
  .timeline__item{grid-template-columns:36px 1fr;gap:16px;}
  .timeline__node{width:36px;height:36px;font-size:13px;}
  .timeline__body{padding:20px 18px;}
  .timeline__body h3{font-size:18px;}
  .stat-grid{grid-template-columns:1fr;gap:16px;}
  .stat__num{font-size:38px;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:22px 18px;}
  .faq-q{font-size:16px;padding:17px 16px;}
  .faq-a p{padding:0 16px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;font-size:12px;}
  .cta-grid .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .timeline__body,.stat,.faq-item,.btn,.btn__arrow{transition:none;}
  .skeleton::after{animation:none;}
}