/* roulang page: index */
:root{
  --green:#1F4D3F;
  --green-deep:#14362D;
  --orange:#C9683A;
  --orange-soft:#F4DDD0;
  --paper:#F7F3EA;
  --card:#FFFFFF;
  --ink:#1D2621;
  --muted:#667066;
  --line:#E4DCCD;
  --success:#2F7D5B;
  --r-lg:20px;
  --r-sm:14px;
  --sh1:0 8px 30px rgba(20,40,30,.06);
  --sh2:0 14px 40px rgba(20,40,30,.10);
  --nav-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--green)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
::selection{background:var(--orange-soft);color:var(--green-deep)}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--nav-w);
  background:#FBF8F1;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding:26px 18px 22px;
  z-index:60;
}
.nav-brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:6px 10px 20px;
  border-bottom:1px solid var(--line);
  margin-bottom:20px;
}
.nav-brand .b1{
  font-size:19px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--green-deep);
  line-height:1.3;
}
.nav-brand .b2{
  font-size:13px;
  color:var(--orange);
  letter-spacing:.16em;
  font-weight:600;
}
.nav-list{display:flex;flex-direction:column;gap:6px;flex:1}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  height:44px;
  padding:0 15px;
  border-radius:12px;
  font-size:15px;
  color:#3B463F;
  transition:background .2s ease, color .2s ease;
}
.nav-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;
  border-radius:2px;
  background:var(--green);
  transition:height .2s ease;
}
.nav-item:hover{background:#F1EBDD;color:var(--green-deep)}
.nav-item.active{
  background:#E7EFE9;
  color:var(--green-deep);
  font-weight:600;
}
.nav-item.active::before{height:20px}
.nav-foot{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.nav-foot .btn{width:100%;justify-content:center}
.nav-note{
  margin-top:12px;
  font-size:12px;
  line-height:1.7;
  color:var(--muted);
  letter-spacing:.01em;
}

/* ---------- 移动端顶部导航 ---------- */
.top-nav{display:none}
@media (max-width:1023px){
  .side-nav{display:none}
  .top-nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    position:sticky;
    top:0;
    height:64px;
    padding:0 20px;
    background:#FBF8F1;
    border-bottom:1px solid var(--line);
    z-index:80;
  }
  .top-brand{display:flex;flex-direction:column;line-height:1.2}
  .top-brand .b1{font-size:16px;font-weight:700;color:var(--green-deep);letter-spacing:.05em}
  .top-brand .b2{font-size:11px;color:var(--orange);letter-spacing:.14em;font-weight:600}
  .hamburger{
    width:44px;height:44px;
    display:flex;flex-direction:column;
    align-items:center;justify-content:center;
    gap:5px;
    background:transparent;
    border:1px solid var(--line);
    border-radius:12px;
    cursor:pointer;
  }
  .hamburger span{
    display:block;width:18px;height:2px;border-radius:2px;
    background:var(--green-deep);
    transition:transform .25s ease, opacity .25s ease;
  }
  .hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
  .hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-panel{
    display:none;
    position:fixed;
    inset:64px 0 auto 0;
    background:#FBF8F1;
    border-bottom:1px solid var(--line);
    padding:14px 20px 24px;
    z-index:79;
    box-shadow:var(--sh1);
  }
  .mobile-panel.open{display:block}
  .mobile-panel a{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 14px;
    font-size:16px;
    border-radius:12px;
    color:#3B463F;
    border-left:3px solid transparent;
  }
  .mobile-panel a:hover{background:#F1EBDD}
  .mobile-panel a.active{
    border-left-color:var(--orange);
    background:#F4EDE0;
    color:var(--green-deep);
    font-weight:600;
  }
  .mobile-panel .btn{width:100%;justify-content:center;margin-top:14px}
}

/* ---------- 布局容器 ---------- */
.page-wrap{margin-left:var(--nav-w)}
@media (max-width:1023px){.page-wrap{margin-left:0}}
.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 40px;
}
@media (max-width:767px){.container-x{padding:0 20px}}

.section{padding:76px 0}
@media (max-width:767px){.section{padding:52px 0}}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.index-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--orange);
  font-weight:600;
  margin-bottom:10px;
}
.index-tag::after{content:"";width:34px;height:1px;background:var(--orange);opacity:.5}
h2.sec-title{
  font-size:clamp(24px,2.4vw,32px);
  font-weight:700;
  line-height:1.35;
  color:var(--green-deep);
  letter-spacing:-.01em;
}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15px;max-width:640px}
.link-more{
  flex:none;
  font-size:14px;
  color:var(--green);
  font-weight:600;
  border-bottom:1px solid rgba(31,77,63,.3);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--orange);border-color:var(--orange)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.99)}
.btn-primary{background:var(--green);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--green-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-outline{background:#fff;color:var(--green-deep);border-color:var(--line)}
.btn-outline:hover{background:#EDF2EE;border-color:var(--green);color:var(--green-deep);transform:translateY(-1px)}
.btn-accent{background:var(--orange);color:#fff}
.btn-accent:hover{background:#B25A31;color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(201,104,58,.28)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--orange);
  background:var(--orange-soft);
  border-radius:999px;
  padding:4px 12px;
  line-height:1.6;
}
.badge-ghost{color:var(--green);background:#E7EFE9}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 72px;
  background:
    radial-gradient(900px 420px at 82% 0%, rgba(31,77,63,.07), transparent 70%),
    var(--paper);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:52px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--orange-soft);
  color:var(--orange);
  font-size:13px;
  font-weight:600;
  border-radius:999px;
  padding:6px 16px;
  letter-spacing:.02em;
}
.hero h1{
  margin-top:20px;
  font-size:clamp(32px,4.2vw,52px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--green-deep);
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:#41504A;
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:28px;
  font-size:13px;
  color:var(--muted);
}
.trust-row li{display:flex;align-items:center;gap:10px}
.trust-row li::before{
  content:"";
  width:5px;height:5px;border-radius:50%;
  background:var(--green);
  opacity:.55;
}
.trust-row li:first-child::before{display:none}

.hero-figure{position:relative}
.hero-figure::before{
  content:"";
  position:absolute;
  inset:-16px -16px auto auto;
  width:120px;height:120px;
  background:repeating-linear-gradient(135deg, rgba(201,104,58,.28) 0 1px, transparent 1px 9px);
  border-radius:0 24px 0 0;
  opacity:.7;
  pointer-events:none;
}
.hero-img-wrap{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  aspect-ratio:4/5;
  box-shadow:var(--sh1);
  background:#DDE5DF;
}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover}
.hero-scrim{
  position:absolute;
  inset:auto 0 0 0;
  height:52%;
  background:linear-gradient(to top, rgba(20,54,45,.88), rgba(20,54,45,0));
}
.status-card{
  position:absolute;
  left:18px;
  bottom:18px;
  right:18px;
  background:rgba(255,255,255,.96);
  border-radius:16px;
  padding:14px 16px;
  box-shadow:0 10px 26px rgba(20,40,30,.18);
}
.status-card .st-top{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);letter-spacing:.06em}
.st-dot{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--success);font-weight:600;font-size:12px;
}
.st-dot i{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.status-card strong{
  display:block;
  margin-top:8px;
  font-size:15px;
  color:var(--green-deep);
  font-weight:600;
  line-height:1.6;
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-img-wrap{aspect-ratio:16/10}
  .hero-figure::before{display:none}
}
@media (max-width:767px){
  .hero{padding:40px 0 52px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
}

/* ---------- 数据条 ---------- */
.stat-strip{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
}
.stat-cell{background:#fff;padding:26px 22px}
.stat-cell .num{
  font-size:26px;
  font-weight:700;
  color:var(--green-deep);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat-cell .lab{margin-top:6px;font-size:13px;color:var(--muted)}
@media (max-width:767px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell{padding:20px 18px}
}

/* ---------- 权益阶梯 ---------- */
.ladder{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  padding-top:8px;
}
.ladder::before{
  content:"";
  position:absolute;
  left:6%;right:6%;top:104px;
  border-top:2px dashed var(--line);
  z-index:0;
}
.ladder-item{
  position:relative;
  z-index:1;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh1);
  transition:box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.ladder-item:nth-child(2){transform:translateY(-16px)}
.ladder-item:nth-child(3){transform:translateY(-32px)}
.ladder-item:hover{box-shadow:var(--sh2);border-color:rgba(31,77,63,.3);transform:translateY(-6px)}
.ladder-item:nth-child(2):hover{transform:translateY(-22px)}
.ladder-item:nth-child(3):hover{transform:translateY(-38px)}
.ladder-badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:var(--green-deep);
  background:#E7EFE9;
}
.ladder-item.lv3 .ladder-badge{background:var(--orange-soft);color:var(--orange)}
.ladder-item h3{margin-top:16px;font-size:20px;font-weight:700;color:var(--green-deep);line-height:1.5}
.ladder-item p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85}
.ladder-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:14px;
  font-weight:600;
  color:var(--green);
}
.ladder-link:hover{color:var(--orange)}
@media (max-width:1023px){
  .ladder{grid-template-columns:1fr;gap:0;padding-left:26px}
  .ladder::before{
    left:9px;right:auto;top:20px;bottom:20px;width:2px;height:auto;
    border-top:0;border-left:2px dashed var(--line);
  }
  .ladder-item, .ladder-item:nth-child(2), .ladder-item:nth-child(3){transform:none;margin-bottom:20px}
  .ladder-item:hover, .ladder-item:nth-child(2):hover, .ladder-item:nth-child(3):hover{transform:translateY(-3px)}
  .ladder-item::before{
    content:"";
    position:absolute;
    left:-23px;top:34px;
    width:10px;height:10px;border-radius:50%;
    background:#fff;border:2px solid var(--green);
  }
}

/* ---------- 对比表 ---------- */
.compare-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh1);
}
.compare-scroll{overflow-x:auto;position:relative}
.compare-table{min-width:760px}
.compare-table th,
.compare-table td{
  text-align:left;
  padding:0 24px;
  font-size:15px;
  border-bottom:1px solid var(--line);
}
.compare-table thead th{
  height:76px;
  vertical-align:middle;
  background:#FBF8F1;
  font-size:15px;
  font-weight:700;
  color:var(--green-deep);
  position:relative;
}
.compare-table thead th:first-child{
  width:220px;
  font-weight:600;
  color:var(--muted);
  font-size:13px;
  letter-spacing:.1em;
}
.compare-table thead th.hl{
  background:#FBF0E8;
  color:var(--green-deep);
}
.compare-table thead th.hl::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--orange);
}
.compare-table thead th small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}
.compare-table tbody th{
  width:220px;
  height:64px;
  font-weight:600;
  color:#3B463F;
  background:#fff;
  font-size:14px;
}
.compare-table tbody td{height:64px;color:#41504A}
.compare-table tbody td.hl{background:#FDF7F2;font-weight:600;color:var(--green-deep)}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:0}
.scroll-hint{display:none;font-size:12px;color:var(--muted);margin-top:10px}
@media (max-width:767px){
  .compare-scroll{box-shadow:inset -28px 0 20px -20px rgba(20,40,30,.28)}
  .scroll-hint{display:block}
}

/* ---------- 限时入口 ---------- */
.flash-banner{
  position:relative;
  background:var(--green-deep);
  border-radius:24px;
  padding:44px 46px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:36px;
  align-items:center;
  overflow:hidden;
  color:#fff;
}
.flash-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(135deg, rgba(244,221,208,.10) 0 1px, transparent 1px 14px);
  pointer-events:none;
}
.flash-banner .fl-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  font-weight:600;
  color:var(--orange-soft);
  border:1px solid rgba(244,221,208,.4);
  border-radius:999px;
  padding:4px 14px;
}
.flash-banner h2{
  margin-top:16px;
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.4;
  color:#fff;
}
.flash-banner .fl-note{margin-top:12px;font-size:14px;color:rgba(255,255,255,.72);max-width:520px}
.flash-right{display:flex;align-items:center;gap:22px;position:relative;z-index:1}
.countdown{display:flex;align-items:center;gap:8px}
.count-block{
  min-width:62px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:12px;
  padding:8px 6px;
  text-align:center;
}
.count-block b{
  display:block;
  font-size:24px;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.count-block span{font-size:11px;color:rgba(255,255,255,.6);letter-spacing:.08em}
.count-sep{color:rgba(255,255,255,.45);font-size:20px}
@media (max-width:1023px){
  .flash-banner{grid-template-columns:1fr;padding:34px 26px;gap:26px}
  .flash-right{flex-wrap:wrap}
  .flash-right .btn{width:100%}
}
@media (max-width:519px){
  .count-block{min-width:54px}
  .count-block b{font-size:20px}
}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:32px;
  align-items:start;
}
.lead-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:box-shadow .25s ease, border-color .25s ease, transform .25s ease;
}
.lead-card:hover{box-shadow:var(--sh2);border-color:rgba(31,77,63,.3);transform:translateY(-3px)}
.lead-media{overflow:hidden;aspect-ratio:16/9;background:#E4E9E4}
.lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.lead-card:hover .lead-media img{transform:scale(1.04)}
.lead-body{padding:22px 24px 24px}
.lead-body h3{
  margin-top:12px;
  font-size:20px;
  font-weight:700;
  line-height:1.5;
  color:var(--green-deep);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.lead-body p{
  margin-top:10px;
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.lead-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:16px;
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:20px 22px;
  transition:box-shadow .25s ease, border-color .25s ease, transform .25s ease;
}
.news-item:hover{box-shadow:var(--sh1);border-color:rgba(31,77,63,.3);transform:translateX(3px)}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-item h3{
  margin-top:10px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-item p{
  margin-top:8px;
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.arrow{display:inline-block;color:var(--green);transition:transform .2s ease}
.news-item:hover .arrow, .lead-card:hover .arrow{transform:translateX(3px)}
.news-empty{
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  padding:56px 24px;
  text-align:center;
  grid-column:1 / -1;
}
.news-empty p{color:var(--muted);font-size:15px;margin-bottom:18px}
@media (max-width:900px){
  .news-grid{grid-template-columns:1fr}
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:clamp(24px,2.4vw,32px);font-weight:700;color:var(--green-deep);line-height:1.4}
.faq-aside p{margin-top:14px;color:var(--muted);font-size:15px}
.faq-aside .btn{margin-top:24px}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:20px 56px 20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FBF8F1}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--green);
  transition:transform .25s ease,color .25s ease;
}
.faq-item[open] summary{background:#FBF8F1;color:var(--green-deep)}
.faq-item[open] summary::after{content:"−";color:var(--orange);transform:translateY(-50%) rotate(180deg)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);background:#FBF8F1}
@media (max-width:900px){
  .faq-grid{grid-template-columns:1fr;gap:28px}
}

/* ---------- 咨询表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:start}
.info-panel{
  background:var(--green);
  color:#fff;
  border-radius:var(--r-lg);
  padding:36px 32px;
  position:relative;
  overflow:hidden;
}
.info-panel::after{
  content:"";
  position:absolute;
  right:-40px;bottom:-40px;
  width:180px;height:180px;
  border-radius:50%;
  background:rgba(244,221,208,.12);
}
.info-panel h2{font-size:24px;font-weight:700;line-height:1.45;color:#fff}
.info-panel .ip-desc{margin-top:14px;font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.9}
.info-list{margin-top:26px;display:flex;flex-direction:column;gap:16px;position:relative;z-index:1}
.info-list li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.9);line-height:1.8}
.info-list li span.k{
  flex:none;
  width:44px;
  height:24px;
  border-radius:6px;
  background:rgba(255,255,255,.14);
  color:#fff;
  font-size:12px;
  display:flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:#3B463F;
  margin-bottom:8px;
}
.req{color:var(--orange);margin-left:2px}
.field input,
.field select,
.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:#FDFBF6;
  border:1px solid var(--line);
  border-radius:10px;
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,
.field textarea::placeholder{color:#A6ADA6}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--orange);
  box-shadow:0 0 0 3px rgba(201,104,58,.14);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7}
.check-line input{width:16px;height:16px;margin-top:3px;accent-color:var(--green);flex:none}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.form-note{font-size:13px;color:var(--muted)}
.form-success{
  margin-top:18px;
  background:#E9F3ED;
  border:1px solid rgba(47,125,91,.28);
  color:#22553D;
  border-radius:10px;
  padding:12px 16px;
  font-size:14px;
}
.form-error{color:var(--orange);font-size:13px;margin-top:6px;display:none}
@media (max-width:900px){
  .contact-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:24px}
  .info-panel{padding:28px 24px}
  .form-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green-deep);
  color:rgba(255,255,255,.8);
  margin-top:24px;
  padding:60px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .fb-1{
  font-size:19px;
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
  line-height:1.5;
}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.65);max-width:320px}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  letter-spacing:.08em;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.8);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--orange-soft);text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.65)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:44px}
}

/* roulang page: category1 */
:root {
    --brand: #1F4D3F;
    --brand-deep: #14362D;
    --clay: #C9683A;
    --clay-soft: #F4DDD0;
    --paper: #F7F3EA;
    --card: #FFFFFF;
    --ink: #1D2621;
    --muted: #667066;
    --line: #E4DCCD;
    --success: #2F7D5B;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 12px;
    --shadow-1: 0 8px 30px rgba(20, 40, 30, .06);
    --shadow-2: 0 14px 40px rgba(20, 40, 30, .10);
    --side-w: 248px;
    --ease: cubic-bezier(.4, 0, .2, 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", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.85;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
  }
  img { display: block; max-width: 100%; height: auto; }
  a { color: inherit; text-decoration: none; transition: color .18s var(--ease); }
  h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: .01em; }
  p { margin: 0; }
  ul { margin: 0; padding: 0; list-style: none; }
  button { font-family: inherit; cursor: pointer; }
  :focus-visible { outline: 2px solid var(--clay); outline-offset: 2px; border-radius: 6px; }

  .container-x { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }

  /* ============ 左侧竖向导航 ============ */
  .side-nav {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--side-w);
    background: var(--paper);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    padding: 30px 16px 22px;
    z-index: 60;
  }
  .brand-link { display: block; padding: 4px 12px 22px; }
  .brand-line1 {
    display: block;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: .24em;
    color: var(--muted);
  }
  .brand-line2 {
    display: block;
    margin-top: 2px;
    font-size: 21px;
    font-weight: 700;
    letter-spacing: .05em;
    color: var(--brand-deep);
  }
  .nav-list { display: flex; flex-direction: column; gap: 4px; }
  .nav-item {
    position: relative;
    display: flex;
    align-items: center;
    height: 44px;
    padding: 0 14px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--ink);
    transition: background .18s var(--ease), color .18s var(--ease);
  }
  .nav-item::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    width: 3px; height: 0;
    transform: translateY(-50%);
    border-radius: 3px;
    background: var(--brand);
    transition: height .2s var(--ease);
  }
  .nav-item:hover { background: rgba(31, 77, 63, .07); }
  .nav-item.active {
    background: rgba(31, 77, 63, .10);
    color: var(--brand-deep);
    font-weight: 600;
  }
  .nav-item.active::before { height: 22px; }

  .side-foot { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); }
  .btn-outline {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    border-radius: 999px;
    border: 1px solid rgba(31, 77, 63, .32);
    background: #fff;
    color: var(--brand-deep);
    font-size: 15px;
    transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
  }
  .btn-outline:hover { background: rgba(31, 77, 63, .08); border-color: var(--brand); transform: translateY(-1px); }
  .side-note { margin-top: 12px; font-size: 12.5px; line-height: 1.7; color: var(--muted); text-align: center; }

  /* ============ 移动端顶栏 ============ */
  .mobile-bar { display: none; }
  .mobile-panel { display: none; }

  /* ============ 内容外壳 ============ */
  .shell { margin-left: var(--side-w); min-height: 100vh; display: flex; flex-direction: column; }
  main { flex: 1 1 auto; }

  /* ============ 通用按钮 ============ */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 26px;
    border-radius: 999px;
    font-size: 15.5px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: background .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(--brand); color: #fff; box-shadow: var(--shadow-1); }
  .btn-primary:hover { background: var(--brand-deep); transform: translateY(-1px); box-shadow: var(--shadow-2); }
  .btn-primary:active { transform: scale(.99); }
  .btn-ghost { background: #fff; color: var(--brand-deep); border-color: var(--line); }
  .btn-ghost:hover { background: rgba(31, 77, 63, .07); border-color: var(--brand); transform: translateY(-1px); }
  .btn-accent { background: var(--clay); color: #fff; box-shadow: 0 8px 24px rgba(201, 104, 58, .25); }
  .btn-accent:hover { background: #b65a2f; transform: translateY(-1px); }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px;
    border-radius: 999px;
    background: var(--clay-soft);
    color: var(--clay);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
  }

  /* ============ Hero ============ */
  .hero-cat { padding: 40px 0 60px; position: relative; overflow: hidden; }
  .hero-cat::after {
    content: "";
    position: absolute;
    right: -80px; top: 20px;
    width: 320px; height: 320px;
    background: repeating-linear-gradient(115deg, rgba(31, 77, 63, .07) 0 2px, transparent 2px 22px);
    border-radius: 50%;
    pointer-events: none;
  }
  .crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); margin-bottom: 26px; }
  .crumb a:hover { color: var(--brand); text-decoration: underline; text-underline-offset: 4px; }
  .crumb .sep { color: var(--line); }
  .crumb .cur { color: var(--ink); }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 44px;
    align-items: center;
    position: relative;
    z-index: 1;
  }
  .hero-cat h1 {
    font-size: clamp(30px, 3.6vw, 46px);
    line-height: 1.28;
    color: var(--brand-deep);
    margin: 18px 0 18px;
  }
  .hero-cat h1 .hl { color: var(--brand); }
  .hero-lead { font-size: 16.5px; line-height: 1.9; color: var(--muted); max-width: 34em; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
  .hero-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 26px;
    font-size: 13.5px;
    color: var(--muted);
  }
  .hero-tags .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--clay); }

  .hero-figure { position: relative; }
  .hero-figure img {
    width: 100%;
    aspect-ratio: 5 / 4;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: var(--shadow-2);
  }
  .hero-figure .fig-note {
    position: absolute;
    left: 16px; bottom: 16px;
    background: rgba(20, 54, 45, .86);
    color: #fff;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 13px;
    line-height: 1.6;
    backdrop-filter: blur(2px);
    max-width: 240px;
  }
  .hero-figure .fig-note strong { display: block; font-size: 13.5px; margin-bottom: 2px; color: #fff; }
  .hero-figure .fig-note span { color: rgba(255, 255, 255, .76); }

  /* ============ 板块通用 ============ */
  .section { padding: 62px 0; }
  .section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .section-head { margin-bottom: 34px; max-width: 760px; }
  .section-index {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .18em;
    color: var(--clay);
    margin-bottom: 10px;
    font-variant-numeric: tabular-nums;
  }
  .section-head h2 {
    font-size: clamp(24px, 2.6vw, 32px);
    line-height: 1.38;
    color: var(--brand-deep);
  }
  .section-head p { margin-top: 12px; font-size: 15.5px; color: var(--muted); line-height: 1.85; }

  /* ============ 步骤条 ============ */
  .steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
  .step {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 26px 22px 24px;
    box-shadow: var(--shadow-1);
    transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  }
  .step:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: rgba(31, 77, 63, .3); }
  .step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    border-radius: 12px;
    background: rgba(31, 77, 63, .09);
    color: var(--brand);
    font-size: 15px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    margin-bottom: 16px;
  }
  .step h3 { font-size: 18px; color: var(--brand-deep); margin-bottom: 8px; }
  .step p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }
  .step::after {
    content: "";
    position: absolute;
    right: -12px; top: 44px;
    width: 8px;
    border-top: 1px dashed rgba(31, 77, 63, .35);
  }
  .step:last-child::after { display: none; }

  /* ============ 说明卡 ============ */
  .info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .info-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-1);
    display: flex;
    flex-direction: column;
    transition: box-shadow .22s var(--ease), border-color .22s var(--ease);
  }
  .info-card:hover { box-shadow: var(--shadow-2); border-color: rgba(31, 77, 63, .28); }
  .info-card .thumb {
    aspect-ratio: 16 / 9;
    object-fit: cover;
    width: 100%;
    background: var(--paper);
  }
  .info-card .body { padding: 24px 24px 26px; }
  .badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 6px;
    background: var(--clay-soft);
    color: var(--clay);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
  }
  .info-card h3 { font-size: 19px; color: var(--brand-deep); margin: 12px 0 10px; }
  .info-card p { font-size: 15px; color: var(--muted); line-height: 1.85; }
  .info-card ul { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
  .info-card li {
    position: relative;
    padding-left: 20px;
    font-size: 14.5px;
    color: var(--ink);
    line-height: 1.75;
  }
  .info-card li::before {
    content: "";
    position: absolute;
    left: 2px; top: .72em;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--success);
  }

  /* ============ 常见情况处理 ============ */
  .handle-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .handle-item {
    background: #fff;
    border: 1px solid var(--line);
    border-left: 3px solid var(--clay);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    transition: box-shadow .2s var(--ease), transform .2s var(--ease);
  }
  .handle-item:hover { box-shadow: var(--shadow-1); transform: translateY(-2px); }
  .handle-item h3 { font-size: 16.5px; color: var(--brand-deep); margin-bottom: 6px; }
  .handle-item p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }

  /* ============ FAQ ============ */
  .faq-wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 44px; align-items: start; }
  .faq-intro h2 { font-size: clamp(24px, 2.6vw, 32px); color: var(--brand-deep); line-height: 1.4; }
  .faq-intro p { margin-top: 14px; font-size: 15.5px; color: var(--muted); line-height: 1.9; }
  .faq-intro .btn { margin-top: 22px; }
  .faq-list { border-top: 1px solid var(--line); }
  .faq-item { border-bottom: 1px solid var(--line); transition: background .2s var(--ease); }
  .faq-item[open] { background: rgba(247, 243, 234, .9); }
  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    transition: color .18s var(--ease);
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary:hover { color: var(--brand); }
  .faq-item summary .ico {
    position: relative;
    flex: 0 0 auto;
    width: 18px; height: 18px;
    border-radius: 50%;
    border: 1px solid rgba(31, 77, 63, .35);
  }
  .faq-item summary .ico::before,
  .faq-item summary .ico::after {
    content: "";
    position: absolute;
    left: 50%; top: 50%;
    background: var(--brand);
    transform: translate(-50%, -50%);
    transition: transform .2s var(--ease), opacity .2s var(--ease);
  }
  .faq-item summary .ico::before { width: 9px; height: 1.5px; }
  .faq-item summary .ico::after { width: 1.5px; height: 9px; }
  .faq-item[open] summary .ico::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
  .faq-answer { padding: 0 16px 20px; font-size: 15px; color: var(--muted); line-height: 1.85; }

  /* ============ CTA 带 ============ */
  .cta-band {
    background: var(--brand-deep);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 44px 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-2);
  }
  .cta-band::after {
    content: "";
    position: absolute;
    right: -60px; bottom: -80px;
    width: 300px; height: 300px;
    background: repeating-linear-gradient(115deg, rgba(255, 255, 255, .07) 0 2px, transparent 2px 20px);
    border-radius: 50%;
    pointer-events: none;
  }
  .cta-band .cta-txt { position: relative; z-index: 1; max-width: 640px; }
  .cta-band .cta-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .14);
    color: #fff;
    font-size: 12.5px;
    letter-spacing: .06em;
    margin-bottom: 14px;
  }
  .cta-band h2 { font-size: clamp(22px, 2.4vw, 28px); line-height: 1.42; color: #fff; }
  .cta-band p { margin-top: 10px; font-size: 15px; color: rgba(255, 255, 255, .78); line-height: 1.8; }
  .cta-band .cta-actions { position: relative; z-index: 1; display: flex; gap: 12px; flex-wrap: wrap; }
  .cta-band .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .38); }
  .cta-band .btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }

  /* ============ 页脚 ============ */
  .site-footer {
    background: var(--brand-deep);
    color: rgba(255, 255, 255, .82);
    padding: 64px 0 0;
    margin-top: 72px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 42px;
  }
  .fb-1 { color: #fff; font-size: 20px; font-weight: 700; letter-spacing: .04em; margin-bottom: 12px; }
  .footer-brand p { font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, .72); max-width: 30em; }
  .footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 14px; }
  .footer-col ul { display: flex; flex-direction: column; gap: 9px; }
  .footer-col a { font-size: 14px; color: rgba(255, 255, 255, .78); }
  .footer-col a:hover { color: var(--clay); text-decoration: underline; text-underline-offset: 4px; }
  .footer-col p { font-size: 13.8px; line-height: 1.85; color: rgba(255, 255, 255, .68); }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .14);
    padding: 20px 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, .6);
  }

  /* ============ 响应式 ============ */
  @media (max-width: 1024px) {
    .side-nav { display: none; }
    .shell { margin-left: 0; }
    .mobile-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 70;
      height: 64px;
      padding: 0 16px;
      background: var(--paper);
      border-bottom: 1px solid var(--line);
    }
    .mobile-bar .brand-link { padding: 0; }
    .mobile-bar .brand-line1 { font-size: 11.5px; letter-spacing: .2em; }
    .mobile-bar .brand-line2 { font-size: 18px; }
    .hamburger {
      display: inline-flex;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 44px; height: 44px;
      padding: 0 10px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #fff;
    }
    .hamburger span {
      display: block;
      height: 2px;
      border-radius: 2px;
      background: var(--brand-deep);
      transition: transform .2s var(--ease), opacity .2s var(--ease);
    }
    .hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .mobile-panel {
      display: none;
      position: fixed;
      top: 64px; left: 0; right: 0; bottom: 0;
      z-index: 65;
      background: var(--paper);
      padding: 16px 16px 28px;
      overflow-y: auto;
    }
    .mobile-panel.open { display: block; }
    .mobile-panel .nav-item { height: 48px; font-size: 15.5px; }
    .mobile-panel .nav-item.active { background: rgba(201, 104, 58, .10); color: var(--clay); }
    .mobile-panel .nav-item.active::before { height: 24px; background: var(--clay); }
    .mobile-panel .btn-outline { margin-top: 20px; }
    .mobile-panel .side-note { text-align: left; padding-left: 4px; }

    .hero-grid { grid-template-columns: 1fr; gap: 30px; }
    .hero-figure img { aspect-ratio: 16 / 9; }
    .hero-cat::after { display: none; }
    .faq-wrap { grid-template-columns: 1fr; gap: 28px; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
    .cta-band { flex-direction: column; align-items: flex-start; padding: 34px 28px; }
  }

  @media (max-width: 860px) {
    .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .step::after { display: none; }
    .info-grid, .handle-list { grid-template-columns: 1fr; }
  }

  @media (max-width: 640px) {
    .container-x { padding: 0 18px; }
    .section { padding: 46px 0; }
    .hero-cat { padding: 26px 0 44px; }
    .hero-cat h1 { font-size: clamp(26px, 7vw, 34px); }
    .hero-lead { font-size: 15.5px; }
    .hero-actions .btn { width: 100%; }
    .steps { grid-template-columns: 1fr; }
    .btn { height: 46px; padding: 0 22px; }
    .info-card .body { padding: 20px; }
    .cta-band { border-radius: 18px; padding: 28px 22px; }
    .cta-band .cta-actions { width: 100%; }
    .cta-band .cta-actions .btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 30px; }
    .site-footer { padding-top: 46px; margin-top: 52px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
  }

/* roulang page: article */
:root{
  --paper:#F7F3EA;
  --card:#FFFFFF;
  --ink:#1D2621;
  --ink-2:#2B342E;
  --muted:#667066;
  --green:#1F4D3F;
  --deep:#14362D;
  --green-soft:#E7F0E9;
  --clay:#C9683A;
  --clay-soft:#F4DDD0;
  --line:#E4DCCD;
  --ok:#2F7D5B;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-1:0 8px 30px rgba(20,40,30,.06);
  --shadow-2:0 14px 40px rgba(20,40,30,.10);
  --nav-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--green)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:var(--clay-soft);color:var(--deep)}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  display:flex;flex-direction:column;
  padding:26px 16px 22px;
  background:var(--paper);
  border-right:1px solid var(--line);
  z-index:60;
}
.nav-brand{display:flex;align-items:center;gap:12px;padding:4px 8px 0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:var(--green);color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:15px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(31,77,63,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.28}
.brand-text .b1{font-weight:700;font-size:16px;color:var(--ink)}
.brand-text .b2{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.nav-list{display:flex;flex-direction:column;gap:6px;margin-top:22px}
.nav-item{
  position:relative;display:flex;align-items:center;
  height:44px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--ink);
  transition:background-color .18s ease,color .18s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;
  width:3px;height:22px;border-radius:3px;background:var(--green);
  transform:translateY(-50%) scaleY(0);transform-origin:center;
  transition:transform .18s ease;
}
.nav-item:hover{background:#EFE9DB;color:var(--green)}
.nav-item.active{background:var(--green-soft);color:var(--deep);font-weight:600}
.nav-item.active::before{transform:translateY(-50%) scaleY(1)}
.nav-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.nav-cta{
  display:flex;align-items:center;justify-content:center;
  height:44px;border:1px solid var(--green);border-radius:12px;
  color:var(--green);font-size:14.5px;font-weight:600;
  transition:background-color .18s ease,color .18s ease;
}
.nav-cta:hover{background:var(--green);color:#fff}
.nav-note{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--muted);text-align:center}

/* ============ 移动端顶部导航 ============ */
.mobile-header{display:none}
.mh-inner{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 18px}
.mh-brand{display:flex;align-items:center;gap:10px}
.mh-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:13.5px}
.mh-brand .brand-text .b1{font-size:15px}
.mh-brand .brand-text .b2{font-size:11.5px}
.mh-toggle{
  width:44px;height:44px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.mh-toggle:hover{background:var(--green-soft);border-color:var(--green)}
.mh-toggle:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
.mh-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.mh-toggle span::before,.mh-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.mh-toggle span::before{top:-6px}
.mh-toggle span::after{top:6px}
.mh-panel{display:none;padding:10px 16px 20px;border-top:1px solid var(--line);background:var(--paper)}
.mh-panel.open{display:block}
.mh-panel .nav-list{margin-top:6px}
.mh-panel .nav-item{height:48px}
.mh-panel .nav-item::before{background:var(--clay);width:3px;height:20px}
.mh-panel .nav-cta{margin-top:14px;height:48px}

/* ============ 页面骨架 ============ */
.page-shell{margin-left:var(--nav-w);display:flex;flex-direction:column;min-height:100vh}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}

/* ============ 文章头部 ============ */
.article-main{padding:36px 0 0;flex:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:26px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--green)}
.crumbs .sep{width:1px;height:12px;background:var(--line);display:inline-block}
.crumbs .cur{color:var(--ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;font-weight:600;
  color:var(--clay);background:var(--clay-soft);
  padding:6px 14px;border-radius:999px;
}
.article-title{
  font-size:clamp(28px,3.4vw,44px);line-height:1.3;font-weight:700;
  margin:20px 0 0;color:var(--ink);max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:13.5px;color:var(--muted)}
.meta-badge{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:4px 14px;color:var(--green);font-weight:600;font-size:12.5px;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.cover-wrap{
  margin-top:34px;border-radius:20px;overflow:hidden;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.cover-wrap img{width:100%;aspect-ratio:21/9;object-fit:cover}
.cover-cap{font-size:13px;color:var(--muted);padding:12px 20px;background:#fff;border-top:1px solid var(--line)}

/* ============ 阅读区 ============ */
.read-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;margin-top:44px;align-items:start}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:820px;min-width:0}
.article-body h2{
  font-size:26px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:2em 0 .7em;padding-left:14px;border-left:4px solid var(--clay);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--ink);margin:1.7em 0 .55em}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.4em 0 .5em}
.article-body p{margin:0 0 1.1em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin:.4em 0;line-height:1.85}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:4px}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:#FBF7EF;
  border-left:4px solid var(--clay);border-radius:0 12px 12px 0;
  color:var(--ink-2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15.5px}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body thead th{background:#FBF7EF;color:var(--ink);font-weight:600;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FCFAF4}
.article-body img{border-radius:14px;margin:1.4em 0;box-shadow:var(--shadow-1)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2em 0}
.article-body code{background:#F2ECE0;padding:2px 6px;border-radius:6px;font-size:.92em}

/* ============ 侧栏 ============ */
.side-col{position:sticky;top:32px;display:flex;flex-direction:column;gap:20px;min-width:0}
.side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-1)}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink);margin:0 0 14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--clay);flex:0 0 6px}
.toc{list-style:none;display:flex;flex-direction:column;gap:2px}
.toc a{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--ink-2);line-height:1.6}
.toc a:hover{background:var(--green-soft);color:var(--deep)}
.toc .idx{font-size:12px;color:var(--clay);font-variant-numeric:tabular-nums;font-weight:600}
.rec-item{display:block;padding:12px 0;border-bottom:1px dashed var(--line)}
.rec-item:last-child{border-bottom:0;padding-bottom:0}
.rec-item:first-child{padding-top:0}
.rec-item .rt{font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.6}
.rec-item .rm{font-size:12.5px;color:var(--muted);margin-top:4px}
.rec-item:hover .rt{color:var(--green)}
.side-back{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:12px;border:1px solid var(--green);
  color:var(--green);font-size:14.5px;font-weight:600;
  transition:background-color .18s ease,color .18s ease;
}
.side-back:hover{background:var(--green);color:#fff}
.side-tip{background:var(--green-soft);border:0;border-radius:18px;padding:18px 20px}
.side-tip p{font-size:13px;line-height:1.8;color:var(--deep);margin:0}

/* ============ 空态 ============ */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:20px;
  padding:64px 24px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state h2{font-size:21px;font-weight:700;color:var(--ink)}
.empty-state p{color:var(--muted);font-size:15px;margin:12px 0 26px;line-height:1.85}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn:active{transform:scale(.99)}
.btn:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);color:var(--deep)}
.btn-clay{background:var(--clay);color:#fff}
.btn-clay:hover{background:#B2562B;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-light{background:#fff;color:var(--deep)}
.btn-light:hover{background:var(--clay-soft);color:var(--deep);transform:translateY(-1px)}
.arrow{transition:transform .18s ease}
a:hover .arrow{transform:translateX(3px)}

/* ============ 上下篇 ============ */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:52px;max-width:820px}
.pn{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 22px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.pn:hover{border-color:rgba(31,77,63,.35);box-shadow:var(--shadow-2);transform:translateY(-1px)}
.pn .pn-l{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.pn .pn-t{font-size:15.5px;font-weight:600;margin-top:6px;color:var(--ink);line-height:1.6}
.pn.next{text-align:right}

/* ============ 相关推荐 ============ */
.rel-block{margin-top:64px}
.rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.rel-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--ink)}
.rel-head .rel-sub{font-size:14px;color:var(--muted);margin-top:6px}
.rel-link{font-size:14.5px;font-weight:600;color:var(--green)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.rel-card:hover{border-color:rgba(31,77,63,.35);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.rel-card:hover img{transform:scale(1.03)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.badge-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--clay);background:var(--clay-soft);padding:3px 11px;border-radius:999px}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink)}
.rel-body p{
  font-size:14px;color:var(--muted);line-height:1.72;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);padding-top:10px;font-variant-numeric:tabular-nums}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;overflow:hidden;margin:72px 0 0;
  background:var(--deep);color:#fff;border-radius:24px;
  padding:52px;display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 1px,transparent 1px 26px);
  opacity:.7;
}
.cta-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(244,221,208,.18);color:#F4DDD0;font-size:12.5px;font-weight:600;letter-spacing:.1em;
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);line-height:1.35;font-weight:700;margin:16px 0 0;color:#fff}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);margin:14px 0 0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:1}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(255,255,255,.75)}
.cta-side .row{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.08)}
.cta-side .row b{font-weight:600;color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#fff;margin-top:80px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.35fr;gap:36px;padding-bottom:40px}
.footer-brand .fb-1{font-size:18px;font-weight:700;letter-spacing:.01em;color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.72);margin:14px 0 0;max-width:330px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.8)}
.footer-col a:hover{color:var(--clay)}
.footer-col p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);margin:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);font-variant-numeric:tabular-nums;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container-x{padding:0 32px}
  .read-grid{gap:36px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .page-shell{margin-left:0}
  .mobile-header{display:block;position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(20,40,30,.05)}
  .read-grid{grid-template-columns:1fr;gap:32px}
  .side-col{position:static}
  .article-body{max-width:none}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container-x{padding:0 20px}
  .article-main{padding-top:26px}
  .rel-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .pn.next{text-align:left}
  .cover-wrap img{aspect-ratio:16/9}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:19px}
  .cta-band{padding:30px 24px;border-radius:20px;margin-top:56px}
  .site-footer{margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-title{font-size:26px}
  .eyebrow{font-size:12px}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .crumbs .cur{max-width:180px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:10px}
}

/* roulang page: category2 */
:root{
    --green:#1F4D3F;
    --green-deep:#14362D;
    --clay:#C9683A;
    --clay-soft:#F4DDD0;
    --paper:#F7F3EA;
    --card:#FFFFFF;
    --ink:#1D2621;
    --muted:#667066;
    --line:#E4DCCD;
    --ok:#2F7D5B;
    --r-lg:20px;
    --r-md:14px;
    --r-sm:10px;
    --sh-1:0 8px 30px rgba(20,40,30,.06);
    --sh-2:0 14px 40px rgba(20,40,30,.10);
    --sidebar:248px;
  }

  *,*::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","Noto Sans SC",sans-serif;
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }

  a{ color:inherit; text-decoration:none; }
  img{ display:block; max-width:100%; height:auto; }
  button,input,select,textarea{ font:inherit; color:inherit; }
  h1,h2,h3,h4,p,ul,ol{ margin:0; }
  ul,ol{ padding:0; list-style:none; }

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible{
    outline:2px solid var(--clay);
    outline-offset:2px;
  }

  /* ============ 左侧导航 ============ */
  .sidebar{
    position:fixed;
    top:0; bottom:0; left:0;
    width:var(--sidebar);
    background:#FBF8F1;
    border-right:1px solid var(--line);
    padding:26px 18px 22px;
    display:flex;
    flex-direction:column;
    z-index:60;
  }
  .brand{
    display:block;
    padding:4px 10px 18px;
    border-bottom:1px solid var(--line);
    margin-bottom:16px;
  }
  .brand-l1{
    display:block;
    font-size:14px;
    letter-spacing:.18em;
    font-weight:600;
    color:var(--muted);
  }
  .brand-l2{
    display:block;
    margin-top:2px;
    font-size:22px;
    line-height:1.3;
    font-weight:700;
    color:var(--green-deep);
    letter-spacing:.02em;
  }
  .nav-list{
    display:flex;
    flex-direction:column;
    gap:4px;
  }
  .nav-item{
    position:relative;
    display:flex;
    align-items:center;
    height:44px;
    padding:0 14px;
    border-radius:12px;
    font-size:15.5px;
    color:#3A443D;
    transition:background .18s ease,color .18s ease;
  }
  .nav-item::before{
    content:"";
    position:absolute;
    left:0; top:11px; bottom:11px;
    width:3px;
    border-radius:2px;
    background:transparent;
    transition:background .18s ease;
  }
  .nav-item:hover{ background:#EFE9DC; }
  .nav-item.active{
    background:#E3EFE8;
    color:var(--green-deep);
    font-weight:600;
  }
  .nav-item.active::before{ background:var(--green); }

  .side-foot{ margin-top:auto; padding-top:22px; }
  .side-cta{
    display:flex;
    align-items:center;
    justify-content:center;
    height:44px;
    border-radius:999px;
    border:1px solid var(--green);
    color:var(--green-deep);
    font-size:15px;
    font-weight:600;
    background:transparent;
    transition:background .18s ease,color .18s ease;
  }
  .side-cta:hover{ background:var(--green); color:#fff; }
  .side-note{
    margin-top:12px;
    font-size:12.5px;
    line-height:1.7;
    color:var(--muted);
    text-align:center;
  }

  /* ============ 移动顶部导航 ============ */
  .topbar{
    display:none;
    position:sticky;
    top:0;
    z-index:70;
    height:64px;
    background:#FBF8F1;
    border-bottom:1px solid var(--line);
    align-items:center;
    justify-content:space-between;
    padding:0 18px;
  }
  .topbar-brand .tb-1{
    display:block;
    font-size:11.5px;
    letter-spacing:.16em;
    color:var(--muted);
    font-weight:600;
  }
  .topbar-brand .tb-2{
    display:block;
    font-size:17px;
    font-weight:700;
    color:var(--green-deep);
    line-height:1.25;
  }
  .hamburger{
    width:44px; height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    cursor:pointer;
  }
  .hamburger span{
    display:block;
    width:18px; height:2px;
    border-radius:2px;
    background:var(--green-deep);
    transition:transform .2s ease,opacity .2s ease;
  }
  .hamburger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .hamburger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
  .hamburger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  .mobile-panel{
    display:none;
    position:fixed;
    inset:64px 0 0 0;
    background:var(--paper);
    z-index:65;
    padding:20px 18px 32px;
    flex-direction:column;
    gap:6px;
    overflow-y:auto;
  }
  .mobile-panel.open{ display:flex; }
  .mp-item{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 16px;
    border-radius:12px;
    border-left:4px solid transparent;
    font-size:16px;
    color:#3A443D;
  }
  .mp-item.active{
    background:#E3EFE8;
    border-left-color:var(--clay);
    color:var(--green-deep);
    font-weight:600;
  }
  .mp-cta{
    margin-top:16px;
    display:flex;
    align-items:center;
    justify-content:center;
    height:48px;
    border-radius:999px;
    background:var(--green);
    color:#fff;
    font-weight:600;
  }
  .mp-note{
    margin-top:12px;
    text-align:center;
    font-size:12.5px;
    color:var(--muted);
  }

  /* ============ 结构 ============ */
  .content-wrap{
    margin-left:var(--sidebar);
    min-height:100vh;
    display:flex;
    flex-direction:column;
  }
  main{ flex:1 0 auto; }
  .container-x{
    max-width:1120px;
    margin:0 auto;
    padding:0 40px;
  }
  .sec{ padding:64px 0; }
  .sec-tight{ padding:48px 0; }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:var(--clay-soft);
    color:#96431F;
    font-size:13px;
    font-weight:600;
    letter-spacing:.04em;
    padding:6px 14px;
    border-radius:999px;
  }
  .sec-index{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    letter-spacing:.14em;
    color:var(--clay);
    font-weight:700;
    font-variant-numeric:tabular-nums;
    margin-bottom:14px;
  }
  .sec-index::after{
    content:"";
    flex:1;
    max-width:80px;
    height:1px;
    background:var(--line);
  }
  .sec-title{
    font-size:clamp(24px,2.6vw,32px);
    line-height:1.35;
    font-weight:700;
    color:var(--green-deep);
    letter-spacing:-.01em;
  }
  .sec-desc{
    margin-top:14px;
    max-width:720px;
    color:#414B44;
    font-size:16.5px;
    line-height:1.9;
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:50px;
    padding:0 26px;
    border-radius:999px;
    font-size:15.5px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  }
  .btn-primary{ background:var(--green); color:#fff; }
  .btn-primary:hover{ background:var(--green-deep); transform:translateY(-1px); box-shadow:var(--sh-2); }
  .btn-primary:active{ transform:scale(.99); }
  .btn-ghost{ background:#fff; border-color:var(--line); color:var(--ink); }
  .btn-ghost:hover{ background:#EFF5F1; border-color:var(--green); color:var(--green-deep); }
  .btn-clay{ background:var(--clay); color:#fff; }
  .btn-clay:hover{ background:#B45829; transform:translateY(-1px); box-shadow:var(--sh-2); }
  .btn-sm{ height:42px; padding:0 20px; font-size:14.5px; }

  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14.5px;
    font-weight:600;
    color:var(--green);
    transition:color .18s ease;
  }
  .text-link:hover{ color:var(--green-deep); text-decoration:underline; text-underline-offset:4px; }
  .text-link .arw{ transition:transform .18s ease; }
  .text-link:hover .arw{ transform:translateX(2px); }

  /* ============ Hero ============ */
  .hero-sec{
    background:linear-gradient(180deg,#FBF8F1 0%, var(--paper) 100%);
    padding:72px 0 56px;
    border-bottom:1px solid var(--line);
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.35fr .85fr;
    gap:52px;
    align-items:center;
  }
  .hero-title{
    margin:22px 0 18px;
    padding-left:22px;
    border-left:4px solid var(--clay);
    font-size:clamp(30px,3.6vw,46px);
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.015em;
    color:var(--green-deep);
  }
  .hero-sub{
    padding-left:26px;
    max-width:600px;
    font-size:17px;
    line-height:1.9;
    color:#414B44;
  }
  .hero-actions{
    padding-left:26px;
    margin-top:28px;
    display:flex;
    flex-wrap:wrap;
    gap:12px;
  }
  .hero-tags{
    padding-left:26px;
    margin-top:26px;
    display:flex;
    flex-wrap:wrap;
    gap:10px 22px;
    font-size:14px;
    color:var(--muted);
  }
  .hero-tags li{
    position:relative;
    padding-left:16px;
  }
  .hero-tags li::before{
    content:"";
    position:absolute;
    left:0; top:50%;
    width:6px; height:6px;
    border-radius:50%;
    background:var(--clay);
    transform:translateY(-50%);
  }

  .hero-panel{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:28px;
    box-shadow:var(--sh-1);
  }
  .hero-panel h2{
    font-size:17px;
    font-weight:700;
    color:var(--green-deep);
    margin-bottom:6px;
  }
  .hero-panel .hp-note{
    font-size:13.5px;
    color:var(--muted);
    margin-bottom:18px;
  }
  .hp-list{ display:flex; flex-direction:column; gap:14px; }
  .hp-item{
    display:flex;
    gap:12px;
    align-items:flex-start;
    font-size:14.5px;
    line-height:1.8;
    color:#3A443D;
  }
  .hp-item .dot{
    flex:none;
    width:24px; height:24px;
    border-radius:50%;
    background:#EFF5F1;
    color:var(--green);
    font-size:12.5px;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:center;
    font-variant-numeric:tabular-nums;
    margin-top:2px;
  }
  .hp-foot{
    margin-top:22px;
    padding-top:18px;
    border-top:1px dashed var(--line);
  }

  /* ============ 风险核对卡 ============ */
  .risk-grid{
    margin-top:38px;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
  }
  .risk-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:30px;
    box-shadow:var(--sh-1);
    transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .risk-card:hover{
    border-color:rgba(31,77,63,.3);
    box-shadow:var(--sh-2);
    transform:translateY(-2px);
  }
  .risk-no{
    font-size:13px;
    font-weight:700;
    letter-spacing:.14em;
    color:var(--clay);
    font-variant-numeric:tabular-nums;
  }
  .risk-card h3{
    margin-top:10px;
    font-size:20px;
    font-weight:700;
    color:var(--green-deep);
  }
  .risk-card p{
    margin-top:12px;
    font-size:15px;
    line-height:1.9;
    color:#4A544C;
  }
  .risk-card .text-link{ margin-top:18px; }

  /* ============ 表格 ============ */
  .table-scroll{
    margin-top:34px;
    overflow-x:auto;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-1);
    -webkit-overflow-scrolling:touch;
  }
  .sec-table{
    width:100%;
    min-width:660px;
    border-collapse:collapse;
    font-size:15px;
  }
  .sec-table thead th{
    background:#FBF8F1;
    color:var(--green-deep);
    text-align:left;
    font-size:13.5px;
    font-weight:700;
    letter-spacing:.06em;
    padding:16px 24px;
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .sec-table td{
    padding:18px 24px;
    border-bottom:1px solid #EFE9DD;
    line-height:1.75;
    color:#414B44;
    vertical-align:top;
  }
  .sec-table td:first-child{
    font-weight:600;
    color:var(--green-deep);
    white-space:nowrap;
  }
  .sec-table tbody tr:nth-child(even){ background:#FCFAF5; }
  .sec-table tbody tr:last-child td{ border-bottom:none; }
  .sec-table tbody tr:hover{ background:#F3F8F4; }

  /* ============ 提示条 ============ */
  .notice{
    margin-top:30px;
    display:flex;
    gap:14px;
    align-items:flex-start;
    background:var(--clay-soft);
    border-left:4px solid var(--clay);
    border-radius:var(--r-md);
    padding:20px 26px;
    color:#7A3B1B;
    font-size:15px;
    line-height:1.85;
  }
  .notice strong{
    display:block;
    font-size:15.5px;
    margin-bottom:4px;
    color:#8A3E17;
  }

  /* ============ 图文板块 ============ */
  .split{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:52px;
    align-items:center;
    margin-top:36px;
  }
  .split-media img{
    width:100%;
    border-radius:24px;
    box-shadow:var(--sh-1);
    object-fit:cover;
    aspect-ratio:4/3;
  }
  .split-body h2{
    font-size:clamp(22px,2.2vw,28px);
    line-height:1.4;
    font-weight:700;
    color:var(--green-deep);
  }
  .case-list{
    margin-top:24px;
    display:flex;
    flex-direction:column;
    gap:0;
  }
  .case-item{
    padding:16px 0;
    border-bottom:1px solid var(--line);
  }
  .case-item:last-child{ border-bottom:none; }
  .case-item h3{
    font-size:16.5px;
    font-weight:700;
    color:var(--green-deep);
    display:flex;
    align-items:center;
    gap:10px;
  }
  .case-item h3::before{
    content:"";
    width:8px; height:8px;
    border-radius:2px;
    background:var(--clay);
    flex:none;
  }
  .case-item p{
    margin-top:6px;
    padding-left:18px;
    font-size:14.5px;
    line-height:1.85;
    color:#4A544C;
  }

  /* ============ 步骤 ============ */
  .step-grid{
    margin-top:36px;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
  }
  .step-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:24px 22px;
    position:relative;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .step-card:hover{
    border-color:rgba(31,77,63,.3);
    box-shadow:var(--sh-1);
  }
  .step-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px; height:34px;
    border-radius:10px;
    background:#EFF5F1;
    color:var(--green);
    font-size:14px;
    font-weight:700;
    font-variant-numeric:tabular-nums;
  }
  .step-card h3{
    margin-top:14px;
    font-size:17px;
    font-weight:700;
    color:var(--green-deep);
  }
  .step-card p{
    margin-top:8px;
    font-size:14.5px;
    line-height:1.85;
    color:#4A544C;
  }
  .step-card + .step-card::before{
    content:"";
    position:absolute;
    left:-20px; top:38px;
    width:20px;
    height:1px;
    border-top:1px dashed var(--line);
  }

  /* ============ FAQ ============ */
  .faq-wrap{ max-width:860px; margin-top:34px; }
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s ease;
  }
  .faq-item:hover{ border-color:rgba(31,77,63,.28); }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:20px 24px;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    transition:background .2s ease;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-icon{
    position:relative;
    flex:none;
    width:24px; height:24px;
    border-radius:50%;
    background:#EFF5F1;
    transition:background .2s ease;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%; top:50%;
    transform:translate(-50%,-50%);
    background:var(--green);
    border-radius:2px;
  }
  .faq-icon::before{ width:10px; height:2px; }
  .faq-icon::after{ width:2px; height:10px; transition:opacity .2s ease; }
  details[open] .faq-item,
  .faq-item[open]{ background:#FBF8F1; }
  .faq-item[open] .faq-icon::after{ opacity:0; }
  .faq-answer{
    padding:0 24px 22px;
    font-size:15px;
    line-height:1.9;
    color:var(--muted);
  }

  /* ============ CTA ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    background:var(--green-deep);
    border-radius:24px;
    padding:52px 48px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    color:#fff;
    box-shadow:var(--sh-1);
  }
  .cta-band::after{
    content:"";
    position:absolute;
    inset:-40% -10% auto auto;
    width:420px; height:420px;
    background:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px);
    pointer-events:none;
  }
  .cta-band h2{
    font-size:clamp(22px,2.4vw,30px);
    line-height:1.35;
    font-weight:700;
    position:relative;
    z-index:1;
  }
  .cta-band p{
    position:relative;
    z-index:1;
    margin-top:12px;
    max-width:520px;
    font-size:15.5px;
    line-height:1.9;
    color:rgba(255,255,255,.78);
  }
  .cta-actions{
    position:relative;
    z-index:1;
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    flex:none;
  }
  .btn-outline-light{
    background:transparent;
    border:1px solid rgba(255,255,255,.4);
    color:#fff;
  }
  .btn-outline-light:hover{
    background:rgba(255,255,255,.12);
    border-color:rgba(255,255,255,.7);
  }

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--green-deep);
    color:rgba(255,255,255,.8);
    padding:64px 0 26px;
    margin-top:88px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.25fr;
    gap:40px;
  }
  .fb-1{
    font-size:19px;
    font-weight:700;
    color:#fff;
    margin-bottom:14px;
    letter-spacing:.01em;
  }
  .footer-brand p{
    font-size:14px;
    line-height:1.9;
    color:rgba(255,255,255,.66);
  }
  .footer-col h4{
    font-size:13.5px;
    letter-spacing:.1em;
    color:#fff;
    margin-bottom:16px;
    font-weight:700;
  }
  .footer-col ul{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .footer-col li a{
    font-size:14.5px;
    color:rgba(255,255,255,.8);
    transition:color .18s ease;
  }
  .footer-col li a:hover{
    color:var(--clay);
    text-decoration:underline;
    text-underline-offset:4px;
  }
  .footer-col p{
    font-size:14px;
    line-height:1.9;
    color:rgba(255,255,255,.66);
  }
  .footer-bottom{
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:14px;
    border-top:1px solid rgba(255,255,255,.16);
    margin-top:46px;
    padding-top:22px;
    font-size:13px;
    color:rgba(255,255,255,.56);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1280px){
    .container-x{ padding:0 32px; }
  }

  @media (max-width:1023px){
    .sidebar{ display:none; }
    .topbar{ display:flex; }
    .content-wrap{ margin-left:0; }
    .hero-grid{ grid-template-columns:1fr; gap:34px; }
    .split{ grid-template-columns:1fr; gap:32px; }
    .footer-grid{ grid-template-columns:1fr 1fr; gap:34px; }
    .cta-band{ flex-direction:column; align-items:flex-start; padding:44px 32px; }
    .sec{ padding:56px 0; }
  }

  @media (max-width:900px){
    .risk-grid{ grid-template-columns:1fr; }
    .step-grid{ grid-template-columns:repeat(2,1fr); }
    .step-card + .step-card::before{ display:none; }
    .hero-sec{ padding:56px 0 44px; }
  }

  @media (max-width:640px){
    body{ font-size:16px; }
    .container-x{ padding:0 20px; }
    .hero-title{
      padding-left:16px;
      font-size:clamp(25px,7vw,32px);
      margin:18px 0 14px;
    }
    .hero-sub,
    .hero-actions,
    .hero-tags{ padding-left:18px; }
    .hero-actions .btn{ flex:1 1 100%; }
    .risk-card{ padding:24px 20px; }
    .step-grid{ grid-template-columns:1fr; }
    .split-media img{ aspect-ratio:16/10; border-radius:18px; }
    .cta-band{ padding:36px 24px; border-radius:20px; }
    .cta-actions{ width:100%; }
    .cta-actions .btn{ flex:1 1 100%; }
    .faq-item summary{ padding:16px 18px; font-size:15.5px; }
    .faq-answer{ padding:0 18px 18px; font-size:14.5px; }
    .notice{ padding:18px 18px; font-size:14.5px; }
    .footer-grid{ grid-template-columns:1fr; gap:30px; }
    .site-footer{ padding:48px 0 22px; margin-top:64px; }
    .sec{ padding:46px 0; }
  }

  @media (max-width:520px){
    .hero-panel{ padding:22px 20px; }
    .hero-tags{ gap:8px 16px; font-size:13.5px; }
    .footer-bottom{ flex-direction:column; gap:8px; }
  }

/* roulang page: category3 */
:root{
    --ink:#1D2621;
    --muted:#667066;
    --line:#E4DCCD;
    --paper:#F7F3EA;
    --card:#FFFFFF;
    --green:#1F4D3F;
    --green-deep:#14362D;
    --green-soft:#E7EFE9;
    --clay:#C9683A;
    --clay-soft:#F4DDD0;
    --ok:#2F7D5B;
    --r-lg:20px;
    --r-sm:14px;
    --shadow:0 8px 30px rgba(20,40,30,.06);
    --shadow-hover:0 14px 40px rgba(20,40,30,.10);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none;transition:color .18s ease}
  ul,ol{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4,p,figure{margin:0}
  button,input,select,textarea{font:inherit;color:inherit}
  a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}
  :focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:8px}

  /* ---------- 布局骨架 ---------- */
  .shell{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}
  .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}

  /* ---------- 左侧竖栏 ---------- */
  .side-nav{
    position:fixed;top:0;left:0;width:248px;height:100vh;z-index:50;
    background:var(--paper);border-right:1px solid var(--line);
    display:flex;flex-direction:column;padding:26px 18px 20px;
  }
  .brand{display:block;padding:4px 10px 18px}
  .brand-line1{font-size:19px;font-weight:700;letter-spacing:.5px;color:var(--green);line-height:1.3}
  .brand-line2{font-size:12.5px;color:var(--muted);letter-spacing:2.4px;margin-top:3px}
  .nav-list{display:flex;flex-direction:column;gap:4px;margin-top:4px}
  .nav-item{
    position:relative;display:flex;align-items:center;height:44px;padding:0 12px;
    border-radius:12px;font-size:15px;color:#3B4740;
    transition:background .18s ease,color .18s ease;
  }
  .nav-item::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:18px;border-radius:3px;background:transparent;transition:background .18s ease;
  }
  .nav-item:hover{background:rgba(31,77,63,.07);color:var(--green);text-decoration:none}
  .nav-item.active{background:var(--green-soft);color:var(--green-deep);font-weight:600}
  .nav-item.active::before{background:var(--green)}
  .side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
  .btn-ghost{
    display:flex;align-items:center;justify-content:center;height:44px;
    border:1px solid rgba(31,77,63,.35);border-radius:999px;color:var(--green);
    font-size:15px;background:transparent;transition:background .18s ease,border-color .18s ease;
  }
  .btn-ghost:hover{background:var(--green-soft);border-color:var(--green);text-decoration:none}
  .side-note{margin-top:10px;font-size:12.5px;color:var(--muted);line-height:1.65}

  /* ---------- 移动端顶栏 ---------- */
  .mobile-bar{display:none}
  .mb-brand{display:flex;flex-direction:column;line-height:1.15}
  .mb-brand .b1{font-size:16px;font-weight:700;color:var(--green);letter-spacing:.4px}
  .mb-brand .b2{font-size:11px;color:var(--muted);letter-spacing:2px;margin-top:2px}
  .nav-toggle{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--green);border-radius:2px;position:relative}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);border-radius:2px;
  }
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .mobile-panel{
    display:none;position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
    background:var(--paper);padding:14px 18px 30px;overflow:auto;
    border-top:1px solid var(--line);
  }
  .mobile-panel.open{display:block}
  .mobile-panel .nav-item{height:48px;border-radius:12px;font-size:15.5px}
  .mobile-panel .nav-item.active{background:transparent;color:var(--green-deep)}
  .mobile-panel .nav-item.active::before{background:var(--clay);height:22px}
  .mobile-panel .btn-ghost{margin-top:18px;height:48px}

  /* ---------- 通用元素 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:999px;font-size:15.5px;font-weight:600;
    border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  }
  .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(31,77,63,.18)}
  .btn-primary:hover{background:var(--green-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,77,63,.24);text-decoration:none}
  .btn-primary:active{transform:scale(.99)}
  .btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-secondary:hover{background:var(--green-soft);border-color:rgba(31,77,63,.45);color:var(--green-deep);text-decoration:none}
  .btn-accent{background:var(--clay);color:#fff;box-shadow:0 8px 20px rgba(201,104,58,.22)}
  .btn-accent:hover{background:#B4582D;color:#fff;transform:translateY(-1px);text-decoration:none}
  .btn-sm{height:42px;padding:0 20px;font-size:14.5px}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--clay-soft);color:#9B4A24;font-size:13px;font-weight:600;
    padding:6px 14px;border-radius:999px;letter-spacing:.3px;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--clay);display:inline-block}
  .badge{
    display:inline-block;font-size:12px;font-weight:600;letter-spacing:.3px;
    padding:3px 10px;border-radius:999px;background:var(--green-soft);color:var(--green);
  }
  .badge-clay{background:var(--clay-soft);color:#9B4A24}

  /* ---------- 首屏 ---------- */
  .page-hero{padding:56px 0 4px}
  .page-hero h1{
    font-size:clamp(32px,4.2vw,50px);line-height:1.25;font-weight:700;
    letter-spacing:-.5px;margin:18px 0 16px;
  }
  .hero-sub{font-size:17px;color:var(--muted);max-width:660px;line-height:1.85}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-media{
    position:relative;margin-top:32px;border-radius:24px;overflow:hidden;
    box-shadow:var(--shadow);background:var(--green-deep);
  }
  .hero-media img{width:100%;aspect-ratio:21/9;object-fit:cover}
  .hero-media .ov{
    position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(20,54,45,.86) 0%,rgba(20,54,45,.42) 52%,rgba(20,54,45,.06) 100%);
  }
  .hero-caption{position:absolute;left:32px;right:32px;bottom:28px;color:#fff;max-width:560px}
  .hero-caption .cap-tag{
    display:inline-block;font-size:12px;font-weight:600;letter-spacing:.5px;
    background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
    padding:3px 12px;border-radius:999px;margin-bottom:10px;
  }
  .hero-caption p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.92);max-width:520px}

  .status-bar{
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;
    margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:12px 18px;font-size:13.5px;color:var(--muted);
  }
  .status-bar .stat{display:inline-flex;align-items:center;color:var(--ink);font-weight:600}
  .status-bar .dot{
    display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);
    margin-right:8px;box-shadow:0 0 0 4px rgba(47,125,91,.12);
  }
  .status-bar .sep{width:1px;height:14px;background:var(--line)}

  /* ---------- 板块 ---------- */
  .sec{padding:56px 0 0}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px;flex-wrap:wrap}
  .sec-idx{font-size:12.5px;letter-spacing:2px;color:var(--clay);font-weight:700}
  .sec-title{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;margin-top:8px;letter-spacing:-.3px}
  .sec-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:660px}
  .sec-link{font-size:14.5px;font-weight:600;color:var(--green);display:inline-flex;align-items:center;gap:6px}

  /* ---------- 筛选标签 ---------- */
  .chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{
    flex:0 0 auto;height:38px;display:inline-flex;align-items:center;padding:0 18px;
    border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:#48544C;
    transition:border-color .18s ease,color .18s ease,background .18s ease;cursor:pointer;
  }
  .chip:hover{border-color:rgba(31,77,63,.4);color:var(--green);text-decoration:none}
  .chip.on{background:var(--green);border-color:var(--green);color:#fff;font-weight:600}

  /* ---------- 资讯卡片 ---------- */
  .news-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;margin-top:26px}
  .news-side{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .ncard{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    overflow:hidden;display:flex;flex-direction:column;
    transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
  }
  .ncard:hover{border-color:rgba(31,77,63,.3);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
  .nc-media{display:block;overflow:hidden;background:var(--green-soft)}
  .nc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
  .ncard:hover .nc-media img{transform:scale(1.04)}
  .nc-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
  .nc-title{font-size:19px;line-height:1.5;font-weight:700}
  .nc-title a:hover{color:var(--green);text-decoration:none}
  .nc-desc{font-size:14.5px;color:var(--muted);line-height:1.8;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .nc-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
  .nc-more{font-size:13.5px;font-weight:600;color:var(--green);display:inline-flex;align-items:center;gap:4px}
  .nc-more span{transition:transform .18s ease}
  .ncard:hover .nc-more span{transform:translateX(3px)}
  .ncard-lead .nc-body{padding:26px}
  .ncard-lead .nc-title{font-size:23px}
  .ncard-lead .nc-desc{-webkit-line-clamp:3;font-size:15px}
  .ncard-sm .nc-body{padding:18px}
  .ncard-sm .nc-title{font-size:16.5px}
  .ncard-sm .nc-desc{font-size:13.5px}
  .ncard-sm .nc-media img{aspect-ratio:16/10}

  /* ---------- 时间轴 ---------- */
  .tl-wrap{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:26px}
  .tl-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 26px 6px;box-shadow:var(--shadow)}
  .tl{position:relative;padding-left:22px}
  .tl::before{
    content:"";position:absolute;left:5px;top:8px;bottom:10px;width:1px;
    background:linear-gradient(180deg,rgba(31,77,63,.4),rgba(31,77,63,.06));
  }
  .tl-item{position:relative;padding:0 0 24px 16px}
  .tl-item::before{
    content:"";position:absolute;left:-16px;top:9px;width:9px;height:9px;border-radius:50%;
    background:#fff;border:2px solid var(--green);
  }
  .tl-item.clay::before{border-color:var(--clay)}
  .tl-time{font-size:12.5px;font-weight:700;color:var(--clay);letter-spacing:.5px}
  .tl-title{font-size:15.5px;font-weight:600;margin-top:4px}
  .tl-text{font-size:13.5px;color:var(--muted);line-height:1.8;margin-top:4px}
  .tl-side{display:flex;flex-direction:column;gap:18px}
  .info-box{background:var(--green-soft);border-radius:var(--r-lg);padding:24px 26px}
  .info-box h3{font-size:17px;font-weight:700;color:var(--green-deep)}
  .info-box ul{margin-top:12px;display:flex;flex-direction:column;gap:10px}
  .info-box li{position:relative;padding-left:18px;font-size:14.5px;color:#3B4740;line-height:1.8}
  .info-box li::before{
    content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
    background:var(--green);opacity:.55;
  }
  .quote-box{
    background:#fff;border:1px solid var(--line);border-left:4px solid var(--clay);
    border-radius:var(--r-sm);padding:20px 22px;font-size:14.5px;color:var(--muted);line-height:1.85;
  }

  /* ---------- FAQ ---------- */
  .faq{border-top:1px solid var(--line);margin-top:8px}
  .faq details{border-bottom:1px solid var(--line);transition:background .2s ease}
  .faq details[open]{background:rgba(247,243,234,.75)}
  .faq summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 6px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
    transition:color .18s ease;
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary:hover{color:var(--green)}
  .faq details[open] summary{color:var(--green-deep)}
  .faq .plus{position:relative;width:18px;height:18px;flex:0 0 auto}
  .faq .plus::before,.faq .plus::after{
    content:"";position:absolute;background:var(--green);border-radius:2px;
    transition:transform .22s ease,opacity .22s ease;
  }
  .faq .plus::before{left:0;top:8px;width:18px;height:2px}
  .faq .plus::after{left:8px;top:0;width:2px;height:18px}
  .faq details[open] .plus::after{transform:rotate(90deg);opacity:0}
  .faq .ans{padding:0 6px 20px;color:var(--muted);font-size:15px;line-height:1.85;max-width:800px}

  /* ---------- CTA 横幅 ---------- */
  .cta-band{
    position:relative;overflow:hidden;margin-top:56px;border-radius:24px;
    background:var(--green-deep);color:#fff;padding:44px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    box-shadow:var(--shadow);
  }
  .cta-band::after{
    content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
    border:1px solid rgba(255,255,255,.12);pointer-events:none;
  }
  .cta-band::before{
    content:"";position:absolute;right:-30px;bottom:-110px;width:280px;height:280px;border-radius:50%;
    border:1px solid rgba(255,255,255,.08);pointer-events:none;
  }
  .cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.3px}
  .cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78);line-height:1.8;max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;position:relative;z-index:2}
  .cta-band .btn-secondary{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
  .cta-band .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);color:#fff}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--green-deep);color:rgba(255,255,255,.82);margin-top:72px;padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
  .fb-1{font-size:19px;font-weight:700;color:#fff;margin-bottom:12px;letter-spacing:.3px}
  .footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.65);max-width:330px}
  .footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px}
  .footer-col ul li{margin-bottom:10px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.8)}
  .footer-col a:hover{color:var(--clay);text-decoration:none}
  .footer-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);padding:20px 0 24px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.55);
  }

  /* ---------- 响应式 ---------- */
  @media (min-width:1025px){
    .mobile-bar,.mobile-panel{display:none !important}
  }
  @media (max-width:1024px){
    .shell{margin-left:0}
    .side-nav{display:none}
    .mobile-bar{
      position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
      height:64px;padding:0 18px;background:var(--paper);border-bottom:1px solid var(--line);
    }
    .container-x{padding:0 24px}
  }
  @media (max-width:960px){
    .news-grid{grid-template-columns:1fr}
    .tl-wrap{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
  }
  @media (max-width:768px){
    .page-hero{padding:36px 0 0}
    .container-x{padding:0 20px}
    .hero-media{border-radius:20px}
    .hero-media img{aspect-ratio:16/10}
    .hero-caption{left:20px;right:20px;bottom:18px}
    .hero-caption p{font-size:13.5px}
    .sec{padding:44px 0 0}
    .news-side{grid-template-columns:1fr}
    .ncard-lead .nc-title{font-size:20px}
    .status-bar{gap:10px;font-size:12.5px;padding:12px 14px}
    .status-bar .sep{display:none}
    .cta-band{padding:28px 22px}
    .site-footer{margin-top:56px;padding-top:44px}
  }
  @media (max-width:560px){
    .page-hero h1{font-size:28px;letter-spacing:0}
    .hero-sub{font-size:15.5px}
    .hero-actions .btn,.cta-actions .btn{width:100%}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
    .nc-body{padding:18px}
    .sec-head{margin-bottom:20px}
  }

/* roulang page: category4 */
:root{
    --green:#1F4D3F;
    --green-deep:#14362D;
    --orange:#C9683A;
    --orange-soft:#F4DDD0;
    --paper:#F7F3EA;
    --card:#FFFFFF;
    --ink:#1D2621;
    --muted:#667066;
    --line:#E4DCCD;
    --ok:#2F7D5B;
    --r-lg:20px;
    --r-md:14px;
    --r-sm:10px;
    --shadow-1:0 8px 30px rgba(20,40,30,.06);
    --shadow-2:0 14px 40px rgba(20,40,30,.10);
    --side:248px;
  }
  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:17px;
    line-height:1.85;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.35}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--green)}
  button{font-family:inherit}
  input,select,textarea{font-family:inherit;font-size:15px}
  :focus-visible{outline:2px solid var(--orange);outline-offset:2px}
  .num{font-variant-numeric:tabular-nums}

  /* ============ 布局 ============ */
  .side-nav{
    position:fixed;top:0;left:0;bottom:0;width:var(--side);
    background:#FBF8F1;border-right:1px solid var(--line);
    display:flex;flex-direction:column;
    padding:26px 18px 22px;
    z-index:60;
  }
  .main-wrap{margin-left:var(--side);padding:0 40px;min-height:100vh;display:flex;flex-direction:column}
  .container-x{width:100%;max-width:1140px;margin:0 auto}

  /* 品牌 */
  .brand{display:flex;align-items:center;gap:10px;padding:4px 6px 22px}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;border-radius:12px;
    background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:18px;font-weight:700;letter-spacing:.5px;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25}
  .brand-text strong{font-size:16px;color:var(--ink);letter-spacing:.5px}
  .brand-text em{font-style:normal;font-size:13px;color:var(--muted);letter-spacing:.4px}

  /* 侧栏导航 */
  .nav-list{display:flex;flex-direction:column;gap:4px;margin-top:6px}
  .nav-item{
    position:relative;display:flex;align-items:center;
    height:44px;padding:0 14px 0 16px;border-radius:12px;
    font-size:15px;color:#3C4640;transition:background .2s ease,color .2s ease;
  }
  .nav-item::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:0;border-radius:3px;background:var(--green);transition:height .2s ease;
  }
  .nav-item:hover{background:#F1ECE0;color:var(--ink)}
  .nav-item.active{background:#E8F0EA;color:var(--green-deep);font-weight:600}
  .nav-item.active::before{height:20px}
  .side-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px}
  .side-foot p{font-size:12.5px;color:var(--muted);line-height:1.7;padding:0 4px}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1;cursor:pointer;
    transition:background .22s ease,color .22s ease,border-color .22s ease,transform .2s ease,box-shadow .22s ease;
  }
  .btn-primary{background:var(--green);color:#fff}
  .btn-primary:hover{background:var(--green-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-primary:active{transform:scale(.99)}
  .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{background:#F1F7F2;border-color:var(--green);color:var(--green)}
  .btn-accent{background:var(--orange);color:#fff}
  .btn-accent:hover{background:#B55830;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-outline{background:transparent;color:var(--green);border-color:#C7D6CD;font-size:14px;height:42px;padding:0 16px}
  .btn-outline:hover{background:#EAF1EB;border-color:var(--green);color:var(--green-deep)}
  .btn-block{width:100%}

  /* 徽章 / 标签 */
  .tag-soft{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--orange-soft);color:#9C4A24;
    font-size:13px;font-weight:600;letter-spacing:.4px;
    padding:6px 12px;border-radius:999px;
  }
  .tag-line{
    display:inline-flex;align-items:center;
    background:#EDF3EE;color:var(--green);
    font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:999px;
  }
  .idx{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);letter-spacing:1px}
  .idx i{display:block;width:26px;height:1px;background:var(--line);font-style:normal}

  /* ============ 顶部导航（移动） ============ */
  .topbar{display:none}
  .mobile-nav{display:none}

  /* ============ Hero ============ */
  .hero-geo{
    position:relative;overflow:hidden;
    background:linear-gradient(150deg,#FBF8F1 0%,#F3EEE2 100%);
    border:1px solid var(--line);border-radius:var(--r-lg);
    padding:56px 44px;margin-top:28px;
  }
  .geo-lines{
    position:absolute;inset:0;pointer-events:none;opacity:.5;
    background-image:repeating-linear-gradient(118deg,rgba(31,77,63,.10) 0 1px,transparent 1px 26px);
    -webkit-mask-image:linear-gradient(105deg,transparent 42%,#000 100%);
    mask-image:linear-gradient(105deg,transparent 42%,#000 100%);
  }
  .hero-grid{position:relative;display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center}
  h1{
    font-size:clamp(40px,4.4vw,56px);
    line-height:1.25;letter-spacing:-.5px;margin-top:18px;
  }
  h1 .hl{color:var(--green)}
  .hero-sub{margin-top:18px;font-size:17px;color:#3F4A43;line-height:1.85;max-width:520px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;font-size:13.5px;color:var(--muted)}
  .trust-row li{display:flex;align-items:center;gap:10px}
  .trust-row li:not(:last-child)::after{content:"";width:4px;height:4px;border-radius:50%;background:#C6BDAC}
  .hero-side{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:22px 22px 18px;box-shadow:var(--shadow-1);
  }
  .hero-side h3{font-size:15px;letter-spacing:.4px;color:var(--green)}
  .hero-side ul{margin-top:14px;display:flex;flex-direction:column;gap:12px}
  .hero-side li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;border-bottom:1px dashed #EAE3D5;padding-bottom:11px}
  .hero-side li:last-child{border-bottom:none;padding-bottom:0}
  .hero-side .k{font-size:14px;color:var(--ink);font-weight:600}
  .hero-side .v{font-size:13px;color:var(--muted);text-align:right;line-height:1.6}
  .hero-side .foot{margin-top:16px;font-size:12.5px;color:var(--muted)}

  /* ============ 通用板块 ============ */
  .section{padding:64px 0 0}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
  .section-head h2{font-size:clamp(26px,2.6vw,34px);line-height:1.35;margin-top:10px}
  .section-head p{font-size:14.5px;color:var(--muted);max-width:520px;line-height:1.8;margin-top:8px}

  /* 面包屑 */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-top:22px}
  .crumb a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}
  .crumb .sep{color:#C6BDAC}
  .crumb .cur{color:var(--ink);font-weight:600}

  /* 设备矩阵 */
  .device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:28px}
  .device-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px 26px 24px;transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
  }
  .device-card:hover{border-color:rgba(31,77,63,.32);box-shadow:var(--shadow-2);transform:translateY(-2px)}
  .device-top{display:flex;align-items:center;gap:12px}
  .device-icon{
    width:42px;height:42px;flex:0 0 42px;border-radius:12px;
    background:#EAF1EB;color:var(--green);
    display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  }
  .device-card h3{font-size:19px;line-height:1.4}
  .device-card p{margin-top:12px;font-size:14.5px;color:#4A544D;line-height:1.8}
  .device-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
  .device-meta span{font-size:12.5px;color:var(--muted);background:#F6F2E8;border:1px solid var(--line);padding:3px 10px;border-radius:999px}

  /* 图文区 */
  .split{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:start;margin-top:28px}
  .figure-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1)}
  .figure-card img{width:100%;height:100%;object-fit:cover}
  .figure-cap{padding:14px 18px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);line-height:1.7}

  /* 表格 */
  .table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin-top:24px;box-shadow:var(--shadow-1)}
  table.compat{width:100%;border-collapse:collapse;font-size:14.5px}
  table.compat thead th{
    background:#F3EFE4;text-align:left;font-weight:600;color:#3B453F;
    padding:15px 20px;font-size:13.5px;letter-spacing:.3px;border-bottom:1px solid var(--line);
  }
  table.compat tbody td{padding:16px 20px;border-bottom:1px solid #EFE9DC;color:#3F4A43;vertical-align:middle}
  table.compat tbody tr:nth-child(even){background:#FCFAF5}
  table.compat tbody tr:last-child td{border-bottom:none}
  table.compat tbody tr:hover{background:#F5F8F5}
  .state-ok{display:inline-flex;align-items:center;gap:6px;color:var(--ok);font-weight:600;font-size:13.5px}
  .state-ok::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}
  .state-mid{display:inline-flex;align-items:center;gap:6px;color:#A9713C;font-weight:600;font-size:13.5px}
  .state-mid::before{content:"";width:7px;height:7px;border-radius:50%;background:#C68A52}

  /* 三步检查 */
  .check-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:28px;margin-top:28px;align-items:start}
  .steps{display:flex;flex-direction:column;gap:14px}
  .step{
    display:grid;grid-template-columns:46px 1fr;gap:18px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:22px 24px;transition:border-color .25s ease,box-shadow .25s ease;
  }
  .step:hover{border-color:rgba(31,77,63,.3);box-shadow:var(--shadow-1)}
  .step-no{
    width:46px;height:46px;border-radius:50%;background:#EAF1EB;color:var(--green);
    display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  }
  .step h3{font-size:18px;line-height:1.45}
  .step p{margin-top:8px;font-size:14.5px;color:#4A544D;line-height:1.8}

  /* 二维码卡 */
  .qr-card{
    background:var(--green-deep);color:#fff;border-radius:var(--r-lg);
    padding:30px 26px;text-align:center;position:relative;overflow:hidden;
  }
  .qr-card::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.22;
    background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.18) 0 1px,transparent 1px 22px);
  }
  .qr-card h3{color:#fff;font-size:18px;position:relative}
  .qr-card p{position:relative;margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.8}
  .qr{position:relative;width:136px;height:136px;margin:22px auto 0;background:#fff;border-radius:14px;padding:9px}
  .qr-inner{
    width:100%;height:100%;border-radius:4px;
    background-image:repeating-conic-gradient(#1D2621 0% 25%, #ffffff 0% 50%);
    background-size:13px 13px;
  }
  .qr-c{position:absolute;width:26px;height:26px;border:4px solid #fff;background:#1D2621;border-radius:4px}
  .qr-c.tl{top:12px;left:12px}
  .qr-c.tr{top:12px;right:12px}
  .qr-c.bl{bottom:12px;left:12px}

  /* 提示条 */
  .notice{
    display:flex;gap:12px;align-items:flex-start;
    background:#FCF3EC;border:1px solid #EBC9B4;border-radius:var(--r-md);
    padding:16px 20px;margin-top:22px;font-size:14px;color:#8A4626;line-height:1.8;
  }
  .notice b{color:#7A3A1C}

  /* FAQ */
  .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:36px;margin-top:28px;align-items:start}
  .faq-aside{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-1)}
  .faq-aside h3{font-size:18px}
  .faq-aside p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}
  .faq-aside a.inline{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--green)}
  .faq-aside a.inline:hover{color:var(--orange);text-decoration:underline;text-underline-offset:4px}
  .faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
  details.faq{border-bottom:1px solid #EFE9DC}
  details.faq:last-child{border-bottom:none}
  details.faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
    padding:20px 24px;font-size:16px;font-weight:600;color:#26302A;transition:background .2s ease;
  }
  details.faq summary::-webkit-details-marker{display:none}
  details.faq summary:hover{background:#FAF7EF}
  details.faq summary .pm{
    flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:2px;
    transition:transform .25s ease;
  }
  details.faq summary .pm::before,
  details.faq summary .pm::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--green);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  details.faq summary .pm::before{width:13px;height:2px}
  details.faq summary .pm::after{width:2px;height:13px;transition:opacity .25s ease}
  details.faq[open] summary{background:#FAF7EF}
  details.faq[open] summary .pm{transform:rotate(180deg)}
  details.faq[open] summary .pm::after{opacity:0}
  details.faq .ans{padding:0 24px 22px;font-size:15px;color:#4E584F;line-height:1.85}

  /* CTA + 表单 */
  .cta-band{
    margin-top:64px;background:var(--green-deep);border-radius:var(--r-lg);
    padding:44px;color:#fff;position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.2;
    background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.16) 0 1px,transparent 1px 26px);
  }
  .cta-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
  .cta-band h2{color:#fff;font-size:clamp(24px,2.4vw,32px);line-height:1.4}
  .cta-band p{color:rgba(255,255,255,.8);font-size:14.5px;line-height:1.85;margin-top:14px;max-width:380px}
  .cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
  .cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.86)}
  .cta-points li::before{content:"";width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--orange);flex:0 0 6px}

  .form-card{background:#fff;border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--shadow-2);color:var(--ink)}
  .form-card h3{font-size:18px}
  .form-card .hint{font-size:13px;color:var(--muted);margin-top:6px}
  .field{margin-top:16px}
  .field label{display:block;font-size:13.5px;font-weight:600;color:#3B453F;margin-bottom:7px}
  .field .req{color:var(--orange)}
  .field input,.field select,.field textarea{
    width:100%;border:1px solid var(--line);border-radius:var(--r-sm);
    background:#FCFAF5;padding:0 14px;height:48px;color:var(--ink);
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .field textarea{height:120px;padding:12px 14px;line-height:1.75;resize:vertical}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(201,104,58,.14);
  }
  .agree{display:flex;gap:9px;align-items:flex-start;margin-top:16px;font-size:13px;color:var(--muted);line-height:1.7}
  .agree input{width:16px;height:16px;margin-top:3px;accent-color:var(--green);flex:0 0 16px}
  .form-msg{margin-top:12px;font-size:13px;color:var(--orange);display:none}
  .form-msg.ok{display:block;color:var(--ok);background:#EDF6F1;border:1px solid #CBE4D6;border-radius:10px;padding:10px 14px}
  .form-msg.err{display:block}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--green-deep);color:rgba(255,255,255,.82);margin-top:72px;padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
  .footer-brand .fb-1{color:#fff;font-size:19px;font-weight:700;letter-spacing:.5px}
  .footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.72);max-width:300px}
  .footer-col h4{color:#fff;font-size:14px;letter-spacing:.6px;margin-bottom:14px}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:13.5px;color:rgba(255,255,255,.8)}
  .footer-col a:hover{color:var(--orange);text-decoration:underline;text-underline-offset:4px}
  .footer-col p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.68)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.16);padding:20px 0 26px;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:12.5px;color:rgba(255,255,255,.6);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1180px){
    .main-wrap{padding:0 28px}
    .hero-geo{padding:44px 32px}
    .hero-grid{gap:32px}
  }
  @media (max-width:1024px){
    .side-nav{display:none}
    .main-wrap{margin-left:0;padding:0 22px}
    .topbar{
      display:flex;align-items:center;justify-content:space-between;
      position:sticky;top:0;z-index:70;height:64px;
      background:#FBF8F1;border-bottom:1px solid var(--line);padding:0 22px;
      margin:0 -22px;
    }
    .topbar .brand{padding:0;gap:9px}
    .topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:16px}
    .nav-toggle{
      width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
      display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
    }
    .nav-toggle span{display:block;width:18px;height:2px;background:var(--green);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
    .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
    .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
    .mobile-nav{
      display:none;position:fixed;left:0;right:0;top:64px;bottom:0;z-index:65;
      background:#FBF8F1;border-top:1px solid var(--line);
      padding:18px 22px 30px;overflow-y:auto;
    }
    .mobile-nav.open{display:block}
    .mobile-nav .nav-item{height:48px;font-size:16px}
    .mobile-nav .nav-item.active::before{background:var(--orange);height:22px}
    .mobile-nav .btn{margin-top:18px}
    .hero-grid{grid-template-columns:1fr}
    .split,.check-grid,.faq-grid,.cta-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .hero-side{max-width:520px}
  }
  @media (max-width:768px){
    body{font-size:16px}
    .section{padding:48px 0 0}
    .hero-geo{padding:34px 24px;margin-top:20px}
    .hero-cta .btn{flex:1 1 auto}
    .device-grid{grid-template-columns:1fr}
    .cta-band{padding:30px 22px;margin-top:48px}
    .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
    .site-footer{padding-top:42px;margin-top:56px}
  }
  @media (max-width:640px){
    h1{font-size:32px;letter-spacing:-.2px}
    .hero-sub{font-size:15.5px}
    .section-head h2{font-size:24px}
    .btn{height:46px;font-size:14.5px;padding:0 20px}
    .btn-block,.hero-cta .btn{width:100%}
    .hero-cta{gap:10px}
    .device-card{padding:20px}
    .step{padding:18px;grid-template-columns:38px 1fr;gap:14px}
    .step-no{width:38px;height:38px;font-size:14px}
    .table-wrap{background:transparent;border:none;box-shadow:none;overflow:visible}
    table.compat,table.compat tbody,table.compat tr,table.compat td{display:block;width:100%}
    table.compat thead{display:none}
    table.compat tr{
      background:#fff!important;border:1px solid var(--line);border-radius:14px;
      margin-bottom:12px;padding:8px 4px;
    }
    table.compat tbody td{
      border-bottom:1px dashed #EFE9DC;padding:9px 14px;display:flex;justify-content:space-between;
      gap:14px;font-size:14px;text-align:right;
    }
    table.compat tbody td:last-child{border-bottom:none}
    table.compat tbody td::before{
      content:attr(data-label);color:var(--muted);font-weight:600;font-size:13px;flex:0 0 auto;text-align:left;
    }
    details.faq summary{padding:16px 18px;font-size:15px}
    details.faq .ans{padding:0 18px 18px;font-size:14.5px}
    .form-card{padding:22px 18px}
    .trust-row{font-size:12.5px;gap:8px}
  }

/* roulang page: category5 */
:root{
    --ink:#1D2621;
    --pine:#1F4D3F;
    --deep:#14362D;
    --clay:#C9683A;
    --clay-soft:#F4DDD0;
    --paper:#F7F3EA;
    --paper-2:#FBF8F1;
    --card:#FFFFFF;
    --muted:#667066;
    --line:#E4DCCD;
    --ok:#2F7D5B;
    --radius-lg:20px;
    --radius-md:14px;
    --radius-sm:12px;
    --shadow-1:0 8px 30px rgba(20,40,30,.06);
    --shadow-2:0 14px 40px rgba(20,40,30,.10);
    --sidebar:248px;
  }

  *,*::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','Noto Sans SC',sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--deep)}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
  a:hover{color:var(--pine)}
  img{display:block;max-width:100%;height:auto}
  button,input,select,textarea{font:inherit;color:inherit}
  :focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:6px}

  .container-x{max-width:1240px;margin:0 auto;padding:0 24px}
  .num{font-variant-numeric:tabular-nums}

  /* ===== 桌面左侧竖向导航 ===== */
  .side-nav{
    position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
    background:var(--paper-2);
    border-right:1px solid var(--line);
    padding:28px 18px 22px;
    display:flex;flex-direction:column;
    z-index:60;
  }
  .brand{display:block;padding:4px 10px 0}
  .brand-line1{display:block;font-size:20px;font-weight:700;color:var(--deep);letter-spacing:.02em}
  .brand-line2{display:block;margin-top:2px;font-size:13px;letter-spacing:.16em;color:var(--muted)}
  .nav-list{margin-top:30px;display:flex;flex-direction:column;gap:6px}
  .nav-item{
    position:relative;display:flex;align-items:center;height:44px;padding:0 14px;
    border-radius:var(--radius-sm);font-size:15px;color:#3B463F;
  }
  .nav-item::before{
    content:"";position:absolute;left:0;top:50%;width:3px;height:20px;border-radius:3px;
    background:var(--pine);transform:translateY(-50%) scaleY(0);transform-origin:center;transition:transform .2s ease;
  }
  .nav-item:hover{background:#F1EBDD;color:var(--deep)}
  .nav-item.active{background:#E3EDE7;color:var(--deep);font-weight:600}
  .nav-item.active::before{transform:translateY(-50%) scaleY(1)}
  .side-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line)}
  .side-foot .btn-ghost{width:100%;justify-content:center}
  .side-foot p{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--muted);text-align:center}

  /* ===== 移动顶栏 ===== */
  .topbar{
    display:none;position:sticky;top:0;z-index:70;
    background:var(--paper-2);border-bottom:1px solid var(--line);
  }
  .topbar-inner{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 18px}
  .topbar .brand{padding:0}
  .topbar .brand-line1{font-size:17px}
  .topbar .brand-line2{font-size:11px;letter-spacing:.12em}
  .nav-toggle{
    width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
    transition:border-color .2s ease,background-color .2s ease;
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--deep);transition:transform .25s ease,opacity .2s ease}
  .nav-toggle:hover{border-color:#C9BFA9;background:#F6F1E5}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-panel{
    display:none;background:var(--paper-2);border-bottom:1px solid var(--line);
    padding:10px 18px 20px;
  }
  .mobile-panel.open{display:block}
  .mobile-panel .nav-list{margin-top:6px}
  .mobile-panel .nav-item{height:48px;border-radius:10px}
  .mobile-panel .nav-item.active{background:#F1EBDD;color:var(--deep)}
  .mobile-panel .nav-item.active::before{background:var(--clay);transform:translateY(-50%) scaleY(1)}
  .mobile-panel .btn-ghost{width:100%;justify-content:center;margin-top:14px}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;
    transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn:active{transform:scale(.99)}
  .btn-primary{background:var(--pine);color:#fff;box-shadow:0 6px 18px rgba(31,77,63,.18)}
  .btn-primary:hover{background:var(--deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(20,54,45,.24)}
  .btn-accent{background:var(--clay);color:#fff;box-shadow:0 6px 18px rgba(201,104,58,.22)}
  .btn-accent:hover{background:#B25830;color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(178,88,48,.26)}
  .btn-ghost{background:#fff;color:var(--deep);border-color:var(--line)}
  .btn-ghost:hover{background:#EEF4F0;border-color:var(--pine);color:var(--deep);transform:translateY(-1px)}
  .btn-block{width:100%}

  /* ===== 主区域 ===== */
  .page-body{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
  .main-area{flex:1;padding:36px 0 0}

  /* ===== Hero ===== */
  .hero-faq{
    position:relative;overflow:hidden;border-radius:24px;background:#fff;border:1px solid var(--line);
    padding:44px 40px 40px;box-shadow:var(--shadow-1);
  }
  .hero-faq::after{
    content:"";position:absolute;right:-80px;top:-60px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle at 50% 50%, rgba(31,77,63,.10), rgba(31,77,63,0) 70%);
    pointer-events:none;
  }
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
  .crumb a{color:var(--muted)}
  .crumb a:hover{color:var(--pine)}
  .crumb .sep{width:12px;height:1px;background:#CDC4B2;display:inline-block}
  .crumb .cur{color:var(--ink)}
  .hero-tag{
    display:inline-flex;align-items:center;gap:7px;margin-top:22px;
    background:var(--clay-soft);color:#8C4526;font-size:13px;font-weight:600;
    padding:6px 14px;border-radius:999px;
  }
  .hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--clay)}
  .hero-faq h1{
    margin-top:16px;font-size:clamp(32px,4.2vw,48px);line-height:1.25;letter-spacing:-.01em;
  }
  .hero-sub{margin-top:16px;max-width:720px;font-size:16px;line-height:1.9;color:#4A544C}

  .faq-search{
    margin-top:28px;display:flex;gap:12px;align-items:center;max-width:720px;
    background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:10px 10px 10px 18px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-search:focus-within{border-color:var(--clay);box-shadow:0 0 0 4px rgba(201,104,58,.12)}
  .faq-search .icon{color:var(--muted);flex:none;display:flex;align-items:center}
  .faq-search input{
    flex:1;min-width:0;height:44px;border:none;background:transparent;font-size:15px;color:var(--ink);
  }
  .faq-search input::placeholder{color:#939B94}
  .faq-search input:focus{outline:none}
  .faq-search .btn{height:44px;padding:0 22px;flex:none}

  .chip-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
  .chip-row .label{font-size:13px;color:var(--muted);align-self:center;margin-right:2px}
  .chip{
    display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
    background:#F3EEE2;border:1px solid transparent;font-size:13.5px;color:#4A544C;cursor:pointer;
    transition:background-color .2s ease,border-color .2s ease,color .2s ease;
  }
  .chip:hover{background:#EAF0EA;border-color:#C6D6CA;color:var(--deep)}
  .chip.is-active{background:var(--deep);color:#fff;border-color:var(--deep)}

  /* ===== 板块通用 ===== */
  .section{margin-top:56px}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
  .index-label{display:block;font-size:12.5px;letter-spacing:.16em;color:var(--clay);font-weight:600}
  .section-head h2{margin-top:8px;font-size:clamp(24px,2.6vw,32px);line-height:1.35}
  .section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}

  .notice-bar{
    margin-top:26px;display:flex;gap:14px;align-items:flex-start;
    background:var(--clay-soft);border-radius:var(--radius-md);padding:16px 20px;
    border-left:4px solid var(--clay);
  }
  .notice-bar .nlab{font-size:13px;font-weight:700;color:#8C4526;flex:none;padding-top:2px}
  .notice-bar p{font-size:14px;line-height:1.8;color:#6B4A36}

  /* ===== FAQ 主体分栏 ===== */
  .faq-layout{margin-top:32px;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
  .faq-main{display:flex;flex-direction:column;gap:26px;min-width:0}
  .faq-group{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:26px 26px 10px;box-shadow:var(--shadow-1);
  }
  .group-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
  .group-head .badge{
    flex:none;display:inline-flex;align-items:center;justify-content:center;
    min-width:34px;height:26px;padding:0 9px;border-radius:8px;
    background:#E3EDE7;color:var(--deep);font-size:12.5px;font-weight:700;letter-spacing:.04em;
  }
  .group-head h3{font-size:19px;color:var(--deep)}
  .group-head .count{margin-left:auto;font-size:12.5px;color:var(--muted)}

  .faq-item{border-top:1px solid var(--line)}
  .faq-item:first-of-type{border-top:none}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
    padding:18px 4px;font-size:16px;font-weight:600;color:#25302A;transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--pine)}
  .faq-item summary .q{flex:1;min-width:0}
  .faq-item summary .sign{
    flex:none;position:relative;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
    background:#FBF8F1;margin-top:1px;transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .faq-item summary .sign::before,
  .faq-item summary .sign::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--pine);border-radius:2px;
    transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;
  }
  .faq-item summary .sign::before{width:11px;height:2px}
  .faq-item summary .sign::after{width:2px;height:11px}
  .faq-item[open] summary{color:var(--deep)}
  .faq-item[open] summary .sign{background:var(--deep);border-color:var(--deep)}
  .faq-item[open] summary .sign::before{background:#fff}
  .faq-item[open] summary .sign::after{opacity:0;transform:translate(-50%,-50%) scaleY(0);background:#fff}
  .faq-answer{padding:0 4px 20px 0;font-size:15px;line-height:1.9;color:#4C574F}
  .faq-answer p + p{margin-top:10px}
  .faq-item[open] .faq-answer{animation:fadeIn .22s ease}
  @keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
  .faq-empty{
    display:none;background:#fff;border:1px dashed #D6CDB9;border-radius:var(--radius-lg);
    padding:44px 24px;text-align:center;color:var(--muted);
  }
  .faq-empty.show{display:block}
  .faq-empty strong{display:block;color:var(--deep);font-size:17px;margin-bottom:8px}

  /* ===== 右侧联系卡 ===== */
  .faq-aside{position:sticky;top:28px}
  .contact-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:26px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease;
  }
  .contact-card:hover{box-shadow:var(--shadow-2)}
  .contact-card .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    background:var(--clay-soft);color:#8C4526;font-size:12.5px;font-weight:600;
  }
  .contact-card h2{margin-top:14px;font-size:21px;line-height:1.4}
  .contact-card > p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted)}
  .contact-list{margin-top:18px;border-top:1px solid var(--line)}
  .contact-list li{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:11px 0;border-bottom:1px solid var(--line);font-size:13.5px;
  }
  .contact-list li span{color:var(--muted)}
  .contact-list li strong{color:var(--deep);font-weight:600}
  .contact-card .btn{margin-top:20px}
  .contact-thumb{margin-top:18px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line)}
  .contact-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
  .aside-note{margin-top:14px;font-size:12.5px;line-height:1.75;color:#7C857D}

  /* ===== 自查三步 ===== */
  .check-grid{margin-top:30px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .check-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;
    position:relative;transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
  }
  .check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#C6D6CA}
  .check-card .no{
    font-size:13px;font-weight:700;color:var(--clay);letter-spacing:.12em;font-variant-numeric:tabular-nums;
  }
  .check-card h3{margin-top:10px;font-size:18px}
  .check-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted)}
  .check-card .link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pine)}
  .check-card .link:hover{text-decoration:underline;text-underline-offset:4px}

  /* ===== CTA 横幅 ===== */
  .cta-band{
    margin-top:64px;position:relative;overflow:hidden;
    background:linear-gradient(115deg,var(--deep) 0%,#1C4438 58%,#21503F 100%);
    border-radius:24px;padding:44px 44px;
    display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
    color:#fff;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 1px,transparent 1px 26px);
    opacity:.5;pointer-events:none;
  }
  .cta-band .cta-text{position:relative;z-index:1;max-width:640px}
  .cta-band .cta-label{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    background:rgba(244,221,208,.18);color:#F7DCCB;font-size:12.5px;font-weight:600;
  }
  .cta-band h2{margin-top:14px;color:#fff;font-size:clamp(23px,2.6vw,30px);line-height:1.4}
  .cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78)}
  .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
  .cta-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
  .cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

  /* ===== 页脚 ===== */
  .site-footer{margin-top:72px;background:var(--deep);color:#fff;padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
  .footer-brand .fb-1{font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em}
  .footer-brand p{margin-top:14px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:340px}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:14px}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col li a{font-size:14px;color:rgba(255,255,255,.80)}
  .footer-col li a:hover{color:var(--clay-soft)}
  .footer-col p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.70)}
  .footer-bottom{
    margin-top:44px;border-top:1px solid rgba(255,255,255,.16);
    padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.62);
  }

  /* ===== 响应式 ===== */
  @media (max-width:1280px){
    .faq-layout{grid-template-columns:minmax(0,1fr) 300px;gap:26px}
  }
  @media (max-width:1024px){
    .side-nav{display:none}
    .topbar{display:block}
    .page-body{margin-left:0}
    .main-area{padding-top:24px}
    .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px}
    .faq-aside{position:static}
    .hero-faq{padding:34px 28px 32px;border-radius:20px}
    .cta-band{padding:34px 28px;border-radius:20px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  }
  @media (max-width:768px){
    .container-x{padding:0 18px}
    .hero-faq h1{font-size:clamp(26px,6vw,34px)}
    .faq-search{flex-wrap:wrap;padding:14px}
    .faq-search input{height:40px;flex:1 1 100%;padding-left:6px}
    .faq-search .btn{width:100%;height:44px}
    .check-grid{grid-template-columns:1fr}
    .faq-group{padding:20px 18px 6px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 160px}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
    .section{margin-top:44px}
    .site-footer{margin-top:52px;padding-top:44px}
  }
  @media (max-width:520px){
    body{font-size:15.5px;line-height:1.85}
    .hero-faq{padding:26px 20px 26px}
    .hero-sub{font-size:15px}
    .faq-item summary{font-size:15.5px;padding:16px 0}
    .contact-card{padding:20px}
    .check-card{padding:20px}
    .cta-band{padding:28px 20px}
    .btn{height:46px;padding:0 20px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  }