/* roulang page: index */
:root{
  --c-primary:#E8492B;
  --c-primary-dark:#C23A20;
  --c-primary-soft:#FFF2ED;
  --c-secondary:#12A594;
  --c-secondary-dark:#0E7F72;
  --c-secondary-soft:#E6F6F3;
  --c-accent:#F5A524;
  --c-ink:#17130F;
  --c-body:#221D18;
  --c-muted:#6B6156;
  --c-line:#E8DFD3;
  --c-bg:#FBF7F1;
  --c-surface:#FFFFFF;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(34,29,24,.04),0 12px 32px -18px rgba(34,29,24,.18);
  --sh-2:0 18px 44px -20px rgba(232,73,43,.35);
  --sp-section:104px;
  --f-title:-0.01em;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:var(--f-title);color:var(--c-body);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(232,73,43,.30);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.narrow{max-width:760px;}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  font-size:13px;
  line-height:1.6;
}
.topbar-in{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;padding:8px 0;}
.topbar-in span{display:inline-flex;align-items:center;gap:6px;}
.topbar-in i{color:var(--c-accent);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,247,241,.92);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,background-color .22s ease,border-color .22s ease;
}
.site-header.is-stuck{
  background:rgba(251,247,241,.86);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 30px -22px rgba(34,29,24,.45);
}
.nav-wrap{display:flex;align-items:center;gap:18px;padding:14px 24px;max-width:1200px;margin:0 auto;}
.nav-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-brand .mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(140deg,var(--c-primary),#F0724F);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 22px -14px rgba(232,73,43,.9);
}
.nav-brand .mark svg{width:20px;height:20px;}
.nav-brand .word{font-size:18px;font-weight:800;line-height:1.1;white-space:nowrap;}
.nav-brand .word em{font-style:normal;font-weight:500;color:var(--c-primary);}
.nav-brand .sub{display:block;font-size:11px;font-weight:500;color:var(--c-muted);letter-spacing:.06em;line-height:1.3;margin-top:3px;}

.nav-search{flex:1 1 auto;max-width:500px;margin:0 auto;position:relative;display:flex;align-items:center;}
.nav-search .si{position:absolute;left:18px;color:var(--c-muted);font-size:15px;pointer-events:none;}
.nav-search input{
  width:100%;height:46px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  padding:0 96px 0 44px;font-size:14.5px;color:var(--c-body);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:#A79C8E;}
.nav-search input:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(232,73,43,.12);
  outline:none;
}
.nav-search .sbtn{
  position:absolute;right:5px;height:36px;padding:0 18px;border:0;
  border-radius:var(--r-pill);background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:background-color .18s ease,transform .18s ease;
}
.nav-search .sbtn:hover{background:var(--c-primary-dark);}

.nav-links{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.pill-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;font-weight:500;color:var(--c-body);white-space:nowrap;
  transition:all .18s ease;
}
.pill-link:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.pill-link.active{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary);font-weight:600;}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);border:1px solid var(--c-primary);
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-main:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);border:1px solid var(--c-primary);
  background:transparent;color:var(--c-primary);font-size:15px;font-weight:600;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.btn-sm{padding:9px 20px;font-size:14px;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-body);font-size:20px;
  align-items:center;justify-content:center;cursor:pointer;flex:0 0 44px;
}
.nav-drawer{display:none;}

/* ============ Hero ============ */
.hero{padding:72px 0 84px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 88% 6%,rgba(232,73,43,.09),transparent 68%),
             radial-gradient(700px 380px at 4% 92%,rgba(18,165,148,.08),transparent 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13.5px;font-weight:600;color:var(--c-primary);margin-bottom:20px;
}
.hero-tag i{color:var(--c-secondary);}
.hero h1{
  font-size:48px;line-height:1.28;font-weight:800;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--c-primary);}
.hero .lead{font-size:17px;line-height:1.85;color:var(--c-muted);margin-bottom:30px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:var(--c-secondary-soft);color:var(--c-secondary-dark);
  font-size:13px;font-weight:600;
}
.badge-soft i{font-size:14px;}

.hero-media{position:relative;}
.hero-media .shot{
  position:relative;border-radius:22px;overflow:hidden;
  box-shadow:var(--sh-1);aspect-ratio:16/10;background:rgba(232,73,43,.06);
}
.hero-media .shot img{width:100%;height:100%;object-fit:cover;}
.hero-media .shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(232,73,43,.16),rgba(23,19,15,.06));
  pointer-events:none;
}
.hero-float{
  position:absolute;left:-16px;bottom:-22px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--sh-1);display:flex;gap:18px;align-items:center;
}
.hero-float .num{font-size:26px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.1;}
.hero-float .tx{font-size:13px;color:var(--c-muted);line-height:1.5;}
.hero-float .sep{width:1px;height:34px;background:var(--c-line);}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:72px 0;}
.sec-head{margin-bottom:44px;max-width:780px;}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-secondary-dark);
  text-transform:uppercase;margin-bottom:14px;
}
.sec-head .kicker::before{content:"";width:22px;height:2px;background:var(--c-secondary);border-radius:2px;}
.sec-head h2{font-size:32px;font-weight:700;line-height:1.32;margin-bottom:14px;position:relative;padding-left:16px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--c-primary);
}
.sec-head p{color:var(--c-muted);font-size:16px;margin:0;}

/* ============ 指标看板 ============ */
.board{
  background:var(--c-ink);border-radius:24px;padding:52px 44px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:36px 28px;
  position:relative;overflow:hidden;
}
.board::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,73,43,.34),transparent 68%);
  pointer-events:none;
}
.board-cell{position:relative;}
.board-cell .n{font-size:44px;font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;}
.board-cell .n em{font-style:normal;font-size:18px;font-weight:600;color:var(--c-accent);margin-left:4px;}
.board-cell .t{font-size:14px;font-weight:600;color:rgba(255,255,255,.72);margin-top:10px;}
.board-cell .d{font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;margin-top:6px;}
.board-note{
  grid-column:1/-1;border-top:1px solid rgba(255,255,255,.10);padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.55);display:flex;gap:10px;align-items:flex-start;
}
.board-note i{color:var(--c-accent);margin-top:3px;}

/* ============ 能力矩阵 ============ */
.matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch;}
.matrix-main{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:34px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
}
.matrix-main .ic{
  width:52px;height:52px;border-radius:16px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:20px;
}
.matrix-main h3{font-size:22px;font-weight:700;margin-bottom:12px;}
.matrix-main p{color:var(--c-muted);font-size:16px;}
.matrix-main .pic{
  margin-top:24px;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:rgba(232,73,43,.06);
}
.matrix-main .pic img{width:100%;height:100%;object-fit:cover;}
.matrix-main .more{
  margin-top:22px;display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.matrix-main .more:hover{gap:12px;}
.matrix-list{display:flex;flex-direction:column;gap:14px;}
.list-card{
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;min-height:96px;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease;
}
.list-card:hover{background:var(--c-primary-soft);border-color:rgba(232,73,43,.30);transform:translateX(3px);}
.list-card .ic{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  background:var(--c-secondary-soft);color:var(--c-secondary-dark);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.list-card h3{font-size:18px;font-weight:600;margin-bottom:4px;}
.list-card p{font-size:14px;color:var(--c-muted);margin:0;}
.list-card .arrow{margin-left:auto;color:var(--c-muted);font-size:18px;flex:0 0 auto;}
.list-card:hover .arrow{color:var(--c-primary);}

/* ============ 对比 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:34px;}
.compare-card{border-radius:var(--r-card);padding:30px;border:1px solid var(--c-line);}
.compare-card.before{background:#F4F0EA;color:var(--c-muted);}
.compare-card.after{background:var(--c-surface);border-color:rgba(232,73,43,.28);box-shadow:var(--sh-1);}
.compare-card .cc-tag{
  display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;margin-bottom:18px;
}
.compare-card.before .cc-tag{background:rgba(107,97,86,.12);color:var(--c-muted);}
.compare-card.after .cc-tag{background:var(--c-primary-soft);color:var(--c-primary);}
.compare-card ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:15.5px;line-height:1.8;padding:9px 0;
  border-bottom:1px dashed var(--c-line);
}
.compare-card ul li:last-child{border-bottom:0;}
.compare-card.before ul li i{color:#A79C8E;margin-top:4px;}
.compare-card.after ul li i{color:var(--c-secondary);margin-top:4px;}

.bars{display:flex;flex-direction:column;gap:22px;}
.bar-row{display:grid;grid-template-columns:132px 1fr 74px;gap:18px;align-items:center;}
.bar-row .label{font-size:14.5px;font-weight:600;color:var(--c-body);}
.bar-track{display:flex;flex-direction:column;gap:8px;}
.bar{height:12px;border-radius:var(--r-pill);background:#E9E1D6;}
.bar.primary{background:linear-gradient(90deg,var(--c-primary),#F0724F);}
.bar.secondary{background:linear-gradient(90deg,var(--c-secondary),#4FC7B8);}
.bar-row .val{font-size:15px;font-weight:800;color:var(--c-primary);text-align:right;font-variant-numeric:tabular-nums;}
.bar-legend{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--c-muted);margin-top:6px;}
.bar-legend span{display:inline-flex;align-items:center;gap:7px;}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;}
.dot.g{background:#E9E1D6;}
.dot.p{background:var(--c-primary);}
.dot.s{background:var(--c-secondary);}

/* ============ 最新信息 ============ */
.posts-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.posts-head .sec-head{margin-bottom:0;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);
  border-bottom:2px solid rgba(232,73,43,.25);padding-bottom:3px;
}
.text-link:hover{border-bottom-color:var(--c-primary);gap:12px;}

.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(232,73,43,.28);box-shadow:0 20px 44px -24px rgba(34,29,24,.42);color:inherit;}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(232,73,43,.06);position:relative;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(18,165,148,.12);color:var(--c-secondary-dark);
  font-size:12.5px;font-weight:600;margin-bottom:14px;align-self:flex-start;
}
.post-body h3{
  font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body .excerpt{
  font-size:14.5px;line-height:1.8;color:var(--c-muted);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:14px;
}
.post-foot .go{margin-left:auto;display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;transition:gap .18s ease;}
.post-card:hover .post-foot .go{gap:10px;}

.empty-card{
  grid-column:1/-1;background:var(--c-surface);border:1px dashed var(--c-line);
  border-radius:var(--r-card);padding:56px 28px;text-align:center;
}
.empty-card .ic{
  width:56px;height:56px;border-radius:18px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 18px;
}
.empty-card p{color:var(--c-muted);margin-bottom:20px;}
.empty-card .acts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:12px;position:relative;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(232,73,43,.22);}
.faq-item .bar{position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .2s ease;}
.faq-item.open .bar{background:var(--c-primary);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  background:transparent;border:0;padding:22px 24px;cursor:pointer;
  font-size:17.5px;font-weight:600;color:var(--c-body);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.open .faq-q{color:var(--c-primary);}
.faq-q .chev{margin-left:auto;flex:0 0 auto;width:20px;height:20px;color:var(--c-muted);transition:transform .25s ease,color .2s ease;}
.faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{padding:0 24px 24px;max-width:720px;color:var(--c-muted);font-size:16px;line-height:1.85;}

/* ============ 表单 ============ */
.apply-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:34px;align-items:start;}
.apply-info{
  background:linear-gradient(160deg,#FFF6F2,#FFFFFF 62%);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:36px;
}
.apply-info h2{font-size:28px;font-weight:700;line-height:1.35;margin-bottom:16px;}
.apply-info p{color:var(--c-muted);font-size:16px;}
.apply-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.apply-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;}
.apply-points i{color:var(--c-secondary);font-size:17px;margin-top:4px;}
.apply-form{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:36px;box-shadow:var(--sh-1);
}
.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:var(--c-body);margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#FFFDFB;color:var(--c-body);font-size:15px;padding:0 14px;height:48px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.75;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-muted) 50%),linear-gradient(135deg,var(--c-muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.12);outline:none;
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--c-primary);}
.field .err{display:none;font-size:13px;color:var(--c-primary);margin-top:6px;}
.field.error .err{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-muted);line-height:1.7;}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary);flex:0 0 18px;}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:24px;}
.form-feedback{font-size:14px;color:var(--c-secondary-dark);min-height:22px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);margin-top:20px;font-size:14.5px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:0;
  padding:64px 0 48px;
}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.08);}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .mark{
  width:36px;height:36px;border-radius:12px;background:linear-gradient(140deg,var(--c-primary),#F0724F);
  display:flex;align-items:center;justify-content:center;flex:0 0 36px;
}
.footer-brand .mark svg{width:19px;height:19px;}
.footer-brand .word{font-size:17px;font-weight:800;color:#fff;line-height:1.1;}
.footer-brand .word em{font-style:normal;font-weight:500;color:var(--c-primary);}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:var(--c-primary);text-decoration:underline;}
.footer-links li{margin-bottom:11px;}
.footer-note{line-height:1.85;font-size:14px;}
.footer-search{display:flex;position:relative;margin-top:16px;}
.footer-search input{
  width:100%;height:44px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);color:#fff;padding:0 52px 0 18px;font-size:14px;
}
.footer-search input::placeholder{color:rgba(255,255,255,.42);}
.footer-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.18);}
.footer-search button{
  position:absolute;right:5px;top:5px;width:34px;height:34px;border:0;border-radius:50%;
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.footer-search button:hover{background:var(--c-primary-dark);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:13px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.52);}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:26px;bottom:26px;width:44px;height:44px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  font-size:18px;cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;
  transform:translateY(10px);transition:all .25s ease;z-index:1040;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--c-primary-dark);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero h1{font-size:42px;}
  .nav-search{max-width:380px;}
}
@media (max-width:991.98px){
  :root{--sp-section:64px;}
  .topbar-in{justify-content:center;text-align:center;}
  .nav-wrap{padding:12px 20px;gap:12px;flex-wrap:wrap;}
  .nav-links,.nav-cta,.nav-search.desk{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-search-mobile{width:100%;order:9;display:flex;margin:2px 0 6px;}
  .nav-search-mobile .nav-search{max-width:100%;width:100%;margin:0;}
  .nav-drawer{width:100%;order:10;}
  .nav-drawer.show-drawer{display:block;}
  .drawer-inner{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:18px;margin:4px 0 14px;box-shadow:var(--sh-1);
  }
  .drawer-links{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px;}
  .drawer-links .pill-link{flex:1 1 auto;justify-content:center;min-height:44px;}
  .hero{padding:44px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:36px;}
  .hero-media .shot{aspect-ratio:4/3;}
  .hero-float{position:static;margin-top:16px;left:0;bottom:0;}
  .board{grid-template-columns:repeat(2,1fr);padding:38px 26px;gap:26px;}
  .matrix{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .apply-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 0;padding:48px 0 34px;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(odd){border-left:0;padding-left:0;}
  .footer-col:nth-child(even){padding-right:0;}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px;}
  .hero h1{font-size:30px;}
  .sec-head h2{font-size:24px;padding-left:14px;}
  .board{grid-template-columns:1fr 1fr;border-radius:20px;padding:30px 20px;gap:22px;}
  .board-cell .n{font-size:34px;}
  .bar-row{grid-template-columns:1fr;gap:8px;}
  .bar-row .val{text-align:left;}
  .form-row{grid-template-columns:1fr;}
  .apply-form,.apply-info{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.08);padding-top:26px;}
  .footer-col:first-child{border-top:0;padding-top:0;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .back-top{right:16px;bottom:16px;}
}

/* roulang page: article */
:root{
  --c-primary:#E8492B;
  --c-primary-dark:#C23A20;
  --c-primary-soft:#FFF2ED;
  --c-secondary:#12A594;
  --c-secondary-dark:#0E7F72;
  --c-secondary-soft:#E7F7F4;
  --c-accent:#F5A524;
  --c-ink:#17130F;
  --c-body:#221D18;
  --c-muted:#6B6156;
  --c-line:#E8DFD3;
  --c-bg:#FBF7F1;
  --c-surface:#FFFFFF;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(34,29,24,.04),0 12px 32px -18px rgba(34,29,24,.18);
  --sh-2:0 18px 44px -20px rgba(232,73,43,.35);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:72px;--sp-7:104px;
  --fs-h1:48px;--fs-h2:32px;--fs-h3:21px;--fs-body:17px;--fs-sm:14px;--fs-xs:13px;
  --tr:.25s 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(--c-bg);
  color:var(--c-body);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:var(--fs-body);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--tr),background-color var(--tr),border-color var(--tr);}
a:hover{color:var(--c-primary);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{letter-spacing:-.01em;margin:0;color:var(--c-body);}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.3em;}
:focus-visible{outline:3px solid rgba(232,73,43,.30);outline-offset:2px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--sp-7) 0;}
@media (max-width:767.98px){.section{padding:60px 0;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-ink);color:rgba(255,255,255,.72);font-size:var(--fs-xs);line-height:1.7;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar-inner a{color:rgba(255,255,255,.72);margin-left:18px;}
.topbar-inner a:hover{color:var(--c-primary);text-decoration:underline;}
@media (max-width:991.98px){.topbar{display:none;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(251,247,241,.94);border-bottom:1px solid var(--c-line);transition:box-shadow var(--tr),background-color var(--tr),backdrop-filter var(--tr);}
.site-header.scrolled{background:rgba(251,247,241,.82);backdrop-filter:blur(12px);box-shadow:0 8px 30px -22px rgba(34,29,24,.45);}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand .mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(140deg,var(--c-primary),var(--c-primary-dark));display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);}
.brand .mark svg{width:20px;height:20px;}
.brand .word{font-size:18px;font-weight:800;color:var(--c-body);white-space:nowrap;}
.brand .word em{font-style:normal;font-weight:500;color:var(--c-primary);}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;margin:0 auto;}
.nav-search .bi{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--c-muted);font-size:15px;}
.nav-search input{width:100%;height:46px;padding:0 20px 0 44px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);color:var(--c-body);font-size:15px;transition:border-color var(--tr),box-shadow var(--tr);}
.nav-search input::placeholder{color:#9C9287;}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.12);}
.nav-links{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.pill-link{display:inline-flex;align-items:center;height:38px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);color:var(--c-body);font-size:var(--fs-sm);font-weight:500;white-space:nowrap;}
.pill-link:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-1px);}
.pill-link.is-active{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary);font-weight:600;}
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:all var(--tr);}
.btn-primary-x{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);}
.btn-primary-x:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 22px 50px -22px rgba(232,73,43,.55);}
.btn-ghost-x{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost-x:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.nav-cta{flex:0 0 auto;min-height:42px;padding:0 22px;font-size:var(--fs-sm);}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:12px;background:var(--c-surface);font-size:20px;cursor:pointer;}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:var(--c-surface);padding:14px 20px 20px;}
.mobile-panel.open{display:block;}
.mobile-panel .nav-links{flex-direction:column;align-items:stretch;gap:10px;}
.mobile-panel .pill-link{justify-content:flex-start;height:46px;}
.mobile-panel .btn-x{width:100%;margin-top:14px;}
@media (max-width:1199.98px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search{max-width:420px;}
}
@media (max-width:991.98px){
  .nav-inner{flex-wrap:wrap;row-gap:8px;padding:8px 0 10px;min-height:0;}
  .brand{order:1;}
  .nav-toggle{order:2;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-search{order:3;flex:1 0 100%;max-width:none;margin:0;}
  .nav-search input{height:44px;}
}

/* ---------- 页头横幅 ---------- */
.article-head{position:relative;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;padding:52px 0 56px;overflow:hidden;}
.article-head::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(23,19,15,.88),rgba(23,19,15,.66));}
.article-head .container-x{position:relative;z-index:2;max-width:1000px;}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;margin:0 0 20px;font-size:var(--fs-xs);color:rgba(255,255,255,.62);}
.breadcrumb-x li{display:flex;align-items:center;gap:8px;}
.breadcrumb-x li+li::before{content:"/";color:rgba(255,255,255,.32);}
.breadcrumb-x a{color:rgba(255,255,255,.72);}
.breadcrumb-x a:hover{color:#fff;text-decoration:underline;}
.breadcrumb-x .current{color:var(--c-accent);}
.article-head h1{color:#fff;font-size:40px;font-weight:800;line-height:1.3;max-width:880px;}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:var(--fs-xs);color:rgba(255,255,255,.72);}
.head-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35);}
.chip-cat{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);background:rgba(18,165,148,.22);color:#8FE3D8;font-size:var(--fs-xs);font-weight:600;}
@media (max-width:767.98px){
  .article-head{padding:34px 0 38px;}
  .article-head h1{font-size:27px;}
}

/* ---------- 阅读区 ---------- */
.read-wrap{max-width:1000px;margin:0 auto;padding:56px 20px 0;}
.read-grid{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:48px;align-items:start;}
@media (max-width:991.98px){.read-grid{grid-template-columns:1fr;gap:28px;}}

.article-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:44px 46px;}
@media (max-width:767.98px){.article-card{padding:26px 20px;}}

.article-body{font-size:17px;line-height:1.9;color:var(--c-body);}
.article-body>*:first-child{margin-top:0;}
.article-body h2{font-size:26px;font-weight:700;line-height:1.4;margin:44px 0 18px;padding-left:14px;border-left:4px solid var(--c-primary);}
.article-body h3{font-size:20px;font-weight:600;line-height:1.45;margin:32px 0 14px;color:var(--c-body);}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-body p{margin:0 0 1.1em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.3em;}
.article-body li{margin-bottom:.5em;}
.article-body a{color:var(--c-primary);border-bottom:2px solid rgba(232,73,43,.28);}
.article-body a:hover{border-bottom-color:var(--c-primary);}
.article-body img{border-radius:var(--r-img);margin:26px 0;width:100%;object-fit:cover;}
.article-body blockquote{margin:26px 0;padding:18px 24px;background:rgba(232,73,43,.04);border-left:3px solid var(--c-primary);border-radius:0 var(--r-img) var(--r-img) 0;color:#4A423A;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body code{background:var(--c-secondary-soft);color:var(--c-secondary-dark);padding:2px 7px;border-radius:6px;font-size:.92em;}
.article-body pre{background:var(--c-ink);color:#F3EDE6;padding:20px 22px;border-radius:var(--r-img);overflow-x:auto;font-size:14px;line-height:1.7;}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;}
.article-body th{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600;text-align:left;padding:12px 16px;}
.article-body td{padding:12px 16px;border-top:1px solid var(--c-line);}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:36px 0;}
@media (max-width:767.98px){
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;margin:34px 0 14px;}
  .article-body h3{font-size:18px;}
  .article-body table{font-size:14px;}
}

/* 目录 */
.toc-card{position:sticky;top:96px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px 22px 18px;}
.toc-card h2{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--c-muted);margin-bottom:14px;}
.toc-list{list-style:none;margin:0;padding:0;max-height:60vh;overflow:auto;}
.toc-list li{margin-bottom:4px;}
.toc-list a{display:block;padding:8px 12px;border-left:3px solid transparent;border-radius:0 10px 10px 0;font-size:14px;line-height:1.6;color:var(--c-muted);}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.toc-list a.active{border-left-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.toc-list .lv3 a{padding-left:24px;font-size:13.5px;}
@media (max-width:991.98px){
  .toc-card{position:static;}
  .toc-list{max-height:none;}
  .toc-list a{padding:10px 12px;}
}

/* 空态 */
.empty-state{text-align:center;padding:64px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);}
.empty-state .ico{width:64px;height:64px;margin:0 auto 20px;border-radius:20px;background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:28px;}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:22px;}
.empty-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;padding-top:26px;border-top:1px solid var(--c-line);}
.tag-row .label{font-size:var(--fs-xs);color:var(--c-muted);}
.tag-x{display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);background:rgba(18,165,148,.12);color:var(--c-secondary-dark);font-size:var(--fs-xs);font-weight:500;}
.tag-x:hover{background:var(--c-secondary);color:#fff;}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;}
.post-nav a{display:block;padding:20px 22px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:all var(--tr);}
.post-nav a:hover{transform:translateY(-3px);border-color:rgba(232,73,43,.28);box-shadow:0 18px 40px -22px rgba(34,29,24,.32);}
.post-nav span{display:block;font-size:var(--fs-xs);color:var(--c-muted);margin-bottom:8px;}
.post-nav strong{font-size:16px;font-weight:600;color:var(--c-body);}
.post-nav .next{text-align:right;}
@media (max-width:575.98px){.post-nav{grid-template-columns:1fr;}.post-nav .next{text-align:left;}}

/* 相关推荐 */
.related{margin-top:76px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px;}
.related-head h2{font-size:26px;font-weight:700;position:relative;padding-left:14px;}
.related-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--c-primary);}
.related-head a{font-size:var(--fs-sm);font-weight:600;color:var(--c-primary);border-bottom:2px solid transparent;}
.related-head a:hover{border-bottom-color:var(--c-primary);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
@media (max-width:991.98px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.card-grid{grid-template-columns:1fr;}}
.card-x{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:all var(--tr);height:100%;}
.card-x:hover{transform:translateY(-4px);border-color:rgba(232,73,43,.28);box-shadow:0 20px 46px -24px rgba(34,29,24,.34);}
.card-x .thumb{aspect-ratio:16/9;width:100%;object-fit:cover;background:rgba(232,73,43,.06);}
.card-x .thumb-ph{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;background:rgba(232,73,43,.06);color:var(--c-primary);font-size:30px;}
.card-x .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-x h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-x p{font-size:var(--fs-sm);line-height:1.8;color:var(--c-muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;gap:8px;margin-top:auto;font-size:var(--fs-xs);color:var(--c-muted);}
.card-foot .arrow{transition:transform var(--tr);color:var(--c-primary);}
.card-x:hover .card-foot .arrow{transform:translateX(4px);}

/* 返回 */
.back-row{display:flex;justify-content:center;margin:64px 0 0;}

/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;background:var(--c-primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(12px);transition:all var(--tr);z-index:1040;cursor:pointer;}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--c-primary-dark);}
@media (max-width:767.98px){.back-top{right:16px;bottom:18px;width:44px;height:44px;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.25fr;gap:0;}
.footer-col{padding:0 30px;}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-col+.footer-col{border-left:1px solid rgba(255,255,255,.08);}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(140deg,var(--c-primary),var(--c-primary-dark));display:inline-flex;align-items:center;justify-content:center;}
.footer-brand .mark svg{width:19px;height:19px;}
.footer-brand .word{font-size:17px;font-weight:800;color:#fff;white-space:nowrap;}
.footer-brand .word em{font-style:normal;font-weight:500;color:var(--c-primary);}
.footer-note{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);margin:0;}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-primary);text-decoration:underline;}
.footer-search{display:flex;gap:8px;margin-top:14px;}
.footer-search input{flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-size:14px;}
.footer-search input::placeholder{color:rgba(255,255,255,.42);}
.footer-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.16);}
.footer-search button{width:44px;height:44px;border-radius:var(--r-input);border:none;background:var(--c-primary);color:#fff;cursor:pointer;transition:background var(--tr);}
.footer-search button:hover{background:var(--c-primary-dark);}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:var(--fs-xs);color:rgba(255,255,255,.52);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col{padding:0 0 30px;}
  .footer-col+.footer-col{border-left:none;}
  .footer-col:nth-child(odd){padding-right:22px;}
}
@media (max-width:575.98px){
  .site-footer{padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{padding-right:0 !important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E8492B;--c-primary-dark:#C23A20;--c-primary-soft:#FFF2ED;
  --c-secondary:#12A594;--c-secondary-dark:#0E7F72;--c-secondary-soft:#E7F6F3;
  --c-accent:#F5A524;
  --c-ink:#17130F;--c-body:#221D18;--c-muted:#6B6156;
  --c-line:#E8DFD3;--c-bg:#FBF7F1;--c-surface:#FFFFFF;
  --r-card:18px;--r-img:14px;--r-input:12px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(34,29,24,.04),0 12px 32px -18px rgba(34,29,24,.18);
  --sh-2:0 18px 44px -20px rgba(232,73,43,.35);
  --ff:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--ff);font-size:16.5px;line-height:1.88;color:var(--c-body);background:var(--c-bg)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(232,73,43,.32);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-ink);color:rgba(255,255,255,.72);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar i{color:var(--c-accent);margin-right:6px}
.topbar-right{color:rgba(255,255,255,.52)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(251,247,241,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s,background .25s}
.site-header.is-scrolled{background:rgba(251,247,241,.97);border-bottom-color:var(--c-line);box-shadow:0 12px 30px -24px rgba(34,29,24,.55)}
.header-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--c-primary);display:grid;place-items:center;box-shadow:0 10px 20px -12px rgba(232,73,43,.95)}
.brand-mark svg{width:21px;height:21px}
.brand-word{font-weight:800;font-size:18px;color:var(--c-ink);letter-spacing:-.02em}
.brand-word em{font-style:normal;font-weight:500;color:var(--c-primary)}

.nav-search{flex:0 1 460px;margin:0 auto;display:flex;align-items:center;gap:10px;height:46px;padding:0 18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);transition:border-color .2s,box-shadow .2s}
.nav-search i{color:var(--c-muted);font-size:17px}
.nav-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px}
.nav-search input::placeholder{color:#9C9384}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.12)}

.nav-links{display:flex;align-items:center;gap:8px}
.pill-link{padding:9px 14px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;font-size:14px;color:var(--c-body);white-space:nowrap;transition:background .2s,color .2s,border-color .2s,transform .2s}
.pill-link:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.pill-link.is-active{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary);font-weight:600}

.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);border:1px solid transparent;padding:12px 26px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s}
.btn-primary-x{background:var(--c-primary);color:#fff;box-shadow:0 12px 22px -16px rgba(232,73,43,.95)}
.btn-primary-x:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost-x{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost-x:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-x:disabled,.btn-x.disabled{opacity:.45;cursor:not-allowed;transform:none}
.header-cta{padding:11px 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:20px;cursor:pointer;align-items:center;justify-content:center}
.mobile-drawer{display:none}

/* ---------- 页头横幅 ---------- */
.page-banner{position:relative;min-height:260px;display:flex;align-items:center;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background:rgba(23,19,15,.62)}
.page-banner .container-x{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
.banner-tag{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;font-size:13px;margin-bottom:16px}
.banner-tag i{color:var(--c-accent)}
.page-banner h1{color:#fff;font-size:clamp(29px,3.6vw,44px);line-height:1.28;font-weight:800;max-width:760px}
.banner-sub{margin-top:14px;color:rgba(255,255,255,.82);font-size:16px;max-width:680px}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:20px 0 0}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:9px;list-style:none;margin:0;padding:0;font-size:13.5px;color:var(--c-muted)}
.breadcrumb-x li{display:flex;align-items:center;gap:9px}
.breadcrumb-x li+li::before{content:"/";color:#C7BCAB}
.breadcrumb-x a:hover{color:var(--c-primary);text-decoration:underline}
.breadcrumb-x .current{color:var(--c-primary);font-weight:600}

/* ---------- 主区域与两栏 ---------- */
.section{padding:34px 0 96px}
.cat1-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start}
.cat1-side{position:sticky;top:96px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px 16px 14px;box-shadow:var(--sh-1)}
.side-title{font-size:12.5px;font-weight:600;letter-spacing:.14em;color:var(--c-muted);margin-bottom:12px;padding-left:10px}
.side-nav a{display:block;padding:9px 12px;border-radius:10px;border-left:3px solid transparent;font-size:14.5px;color:var(--c-body);transition:background .2s,color .2s,border-color .2s}
.side-nav a:hover{background:var(--c-primary-soft);border-left-color:var(--c-primary);color:var(--c-primary)}
.side-nav a.is-active{background:var(--c-primary-soft);border-left-color:var(--c-primary);color:var(--c-primary);font-weight:600}
.side-tip{margin-top:14px;padding:14px;border-radius:12px;background:var(--c-secondary-soft);font-size:13px;color:var(--c-secondary-dark);line-height:1.75}

.panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px 30px;box-shadow:var(--sh-1);margin-bottom:26px;scroll-margin-top:100px}
.panel:last-child{margin-bottom:0}
.sec-title{display:flex;align-items:center;gap:12px;font-size:clamp(21px,2.2vw,26px);font-weight:700;color:var(--c-ink);margin-bottom:16px;line-height:1.35}
.sec-title::before{content:"";width:5px;height:24px;border-radius:3px;background:var(--c-primary);flex:0 0 auto}
.sub-title{font-size:18px;font-weight:600;color:var(--c-ink);margin:24px 0 10px;line-height:1.4}
.dot-list li{position:relative;padding-left:22px;margin-bottom:9px;color:var(--c-body)}
.dot-list li::before{content:"";position:absolute;left:3px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--c-secondary)}
.num-list{counter-reset:ni}
.num-list li{position:relative;padding-left:30px;margin-bottom:9px;counter-increment:ni}
.num-list li::before{content:counter(ni);position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:7px;background:var(--c-primary-soft);color:var(--c-primary);font-size:12.5px;font-weight:700;display:grid;place-items:center}

.mini-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:16px;margin-top:18px}
.mini-card{border:1px solid var(--c-line);border-radius:14px;padding:18px;background:var(--c-bg);transition:background .2s,border-color .2s,transform .2s,box-shadow .2s}
.mini-card .ico{width:40px;height:40px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-size:19px;margin-bottom:12px}
.mini-card h3{font-size:17px;font-weight:600;margin-bottom:6px;color:var(--c-ink)}
.mini-card p{font-size:14.5px;line-height:1.75;color:var(--c-muted);margin:0}
.mini-card:hover{background:#fff;border-color:rgba(232,73,43,.28);transform:translateY(-3px);box-shadow:var(--sh-1)}

.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:6px 0 12px}
.metric{border:1px solid var(--c-line);border-radius:14px;padding:16px 18px;background:var(--c-bg)}
.metric b{display:block;font-size:29px;font-weight:800;color:var(--c-primary);line-height:1.2;font-variant-numeric:tabular-nums}
.metric span{font-size:13.5px;color:var(--c-muted)}
.data-note{font-size:13px;color:var(--c-muted);line-height:1.75;padding-left:14px;border-left:3px solid var(--c-line)}

.figure-x{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);background:var(--c-primary-soft);margin:20px 0}
.figure-x img{width:100%;aspect-ratio:16/9;object-fit:cover}
.fig-cap{font-size:13px;color:var(--c-muted);text-align:center;padding:10px 12px}

.quote-x{border-left:3px solid var(--c-primary);background:rgba(232,73,43,.04);border-radius:0 12px 12px 0;padding:16px 20px;margin:20px 0;color:var(--c-body);font-size:15.5px;line-height:1.85}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.cmp-card{border-radius:14px;padding:20px 22px;border:1px solid var(--c-line)}
.cmp-card h3{font-size:16.5px;font-weight:700;margin-bottom:12px}
.cmp-card li{position:relative;padding-left:20px;margin-bottom:9px;font-size:14.8px;line-height:1.8}
.cmp-card li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%}
.cmp-before{background:#F4F1EC}
.cmp-before h3{color:var(--c-muted)}
.cmp-before li::before{background:#BFB4A3}
.cmp-after{background:var(--c-primary-soft);border-color:rgba(232,73,43,.28)}
.cmp-after h3{color:var(--c-primary)}
.cmp-after li::before{background:var(--c-primary)}

.steps{margin-top:18px}
.step{position:relative;display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;padding-bottom:22px}
.step:last-child{padding-bottom:0}
.step:not(:last-child)::before{content:"";position:absolute;left:21px;top:46px;bottom:2px;width:2px;background:var(--c-line)}
.step .num{width:44px;height:44px;border-radius:14px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:600;color:var(--c-ink);margin-bottom:4px}
.step p{font-size:15px;color:var(--c-muted);margin:0;line-height:1.8}

/* ---------- FAQ ---------- */
.faq-x .accordion-item{border:1px solid var(--c-line);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.faq-x .accordion-button{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-body);background:#fff;border:0;box-shadow:none;text-align:left;transition:background .2s,color .2s}
.faq-x .accordion-button::after{display:none!important}
.faq-x .accordion-button .chev{color:var(--c-muted);font-size:16px;transition:transform .25s,color .25s;flex:0 0 auto}
.faq-x .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-primary-soft)}
.faq-x .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary)}
.faq-x .accordion-button:not(.collapsed) .chev{transform:rotate(180deg);color:var(--c-primary)}
.faq-x .accordion-button:focus{box-shadow:0 0 0 3px rgba(232,73,43,.14)}
.faq-x .accordion-body{padding:2px 20px 20px;font-size:16px;line-height:1.85;color:var(--c-body);max-width:760px}

/* ---------- 转化区 ---------- */
.cta-panel{background:#fff;border:1px solid var(--c-line);border-radius:24px;padding:36px;display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;box-shadow:var(--sh-1)}
.cta-panel h2{font-size:clamp(22px,2.3vw,28px);color:var(--c-ink);margin-bottom:14px;line-height:1.35}
.cta-panel .cta-note{color:var(--c-muted);font-size:15.5px}
.cta-list li{position:relative;padding-left:24px;margin-bottom:10px;font-size:15px}
.cta-list li i{position:absolute;left:0;top:4px;color:var(--c-secondary);font-size:15px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-body);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-input);background:#fff;font-size:15px;outline:0;transition:border-color .2s,box-shadow .2s}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.12)}
.field.has-error input,.field.has-error textarea{border-color:#C23A20}
.field .err{display:none;margin-top:6px;font-size:13px;color:#C23A20}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--c-muted);margin:4px 0 18px;line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto}
.form-msg{margin-top:12px;font-size:13.5px;min-height:20px;color:var(--c-secondary-dark)}

/* ---------- 相关内容卡 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-body{padding:20px}
.tag-x{display:inline-block;padding:4px 12px;border-radius:var(--r-pill);background:rgba(18,165,148,.12);color:var(--c-secondary-dark);font-size:12.5px;font-weight:600;margin-bottom:12px}
.rel-body h3{font-size:18px;color:var(--c-ink);margin-bottom:8px;line-height:1.45}
.rel-body p{font-size:14.5px;color:var(--c-muted);line-height:1.8;margin:0 0 12px}
.rel-more{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.rel-more i{transition:transform .25s}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(232,73,43,.25);box-shadow:0 20px 44px -24px rgba(34,29,24,.4)}
.rel-card:hover .rel-more i{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col+.footer-col{border-left:1px solid rgba(255,255,255,.08);padding-left:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);display:grid;place-items:center}
.footer-brand .mark svg{width:19px;height:19px}
.footer-brand .word{color:#fff;font-weight:800;font-size:17px}
.footer-brand .word em{font-style:normal;font-weight:500;color:var(--c-primary)}
.footer-note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--c-primary);text-decoration:underline}
.footer-search{display:flex;gap:8px;margin-top:14px}
.footer-search input{flex:1;min-width:0;height:44px;padding:0 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14px;outline:0;transition:border-color .2s,box-shadow .2s}
.footer-search input::placeholder{color:rgba(255,255,255,.45)}
.footer-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.2)}
.footer-search button{width:44px;height:44px;flex:0 0 auto;border-radius:50%;border:0;background:var(--c-primary);color:#fff;cursor:pointer;transition:background .2s,transform .2s}
.footer-search button:hover{background:var(--c-primary-dark);transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0 26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;border:0;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:18px;cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s,background .2s;z-index:900}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-dark)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cta-panel{gap:28px;padding:30px}
  .cat1-layout{gap:28px}
}
@media (max-width:991.98px){
  .nav-links,.header-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin:2px 0 0;height:44px}
  .header-inner{padding:8px 0 10px;gap:10px}
  .mobile-drawer.open{display:block;padding:6px 0 16px;border-top:1px solid var(--c-line)}
  .mobile-drawer .pill-link{display:block;width:100%;text-align:center;margin-bottom:8px;padding:12px 14px}
  .mobile-drawer .btn-x{width:100%;margin-top:4px}
  .cat1-layout{grid-template-columns:minmax(0,1fr)}
  .cat1-side{position:static;top:auto}
  .cat1-side .side-card{padding:14px}
  .cat1-side .side-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .cat1-side .side-nav a{border:1px solid var(--c-line);border-left:1px solid var(--c-line);border-radius:var(--r-pill);white-space:nowrap;padding:8px 14px;font-size:14px}
  .cat1-side .side-nav a:hover,.cat1-side .side-nav a.is-active{border-color:var(--c-primary)}
  .side-tip{display:none}
  .compare,.cta-panel,.rel-grid{grid-template-columns:minmax(0,1fr)}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-col+.footer-col{border-left:0;padding-left:0}
  .page-banner{min-height:220px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .topbar{display:none}
  .page-banner{min-height:180px}
  .page-banner .container-x{padding-top:32px;padding-bottom:32px}
  .banner-sub{font-size:15px}
  .section{padding:26px 0 62px}
  .panel{padding:22px 18px;border-radius:16px}
  .mini-grid{grid-template-columns:minmax(0,1fr)}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .metric b{font-size:25px}
  .cta-panel{padding:22px 18px;border-radius:20px}
  .rel-grid{gap:18px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:18px}
  .step{grid-template-columns:38px minmax(0,1fr);gap:14px}
  .step .num{width:38px;height:38px;border-radius:12px;font-size:15px}
  .step:not(:last-child)::before{left:18px;top:40px}
}
@media (max-width:519.98px){
  .container-x{padding:0 15px}
  .brand-word{font-size:16.5px}
  .metrics{grid-template-columns:minmax(0,1fr)}
}

/* roulang page: category2 */
:root{
  --c-primary:#E8492B;--c-primary-dark:#C23A20;--c-primary-soft:#FFF2ED;
  --c-secondary:#12A594;--c-secondary-dark:#0E7F72;--c-secondary-soft:#E7F6F3;
  --c-accent:#F5A524;
  --c-ink:#17130F;--c-body:#221D18;--c-muted:#6B6156;
  --c-line:#E8DFD3;--c-bg:#FBF7F1;--c-surface:#FFFFFF;
  --c-field:#F6F1E9;
  --r-card:18px;--r-img:14px;--r-input:12px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(34,29,24,.04),0 12px 32px -18px rgba(34,29,24,.18);
  --sh-2:0 18px 44px -20px rgba(232,73,43,.35);
  --sp-section:104px;
  --tr:.24s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-body);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;line-height:1.88;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
:focus-visible{outline:3px solid rgba(232,73,43,.35);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-weight:800}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-ink);color:rgba(255,255,255,.7);font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar-inner i{color:var(--c-accent);margin-right:6px}
.topbar-right{color:rgba(255,255,255,.5)}

/* ============ 主导航（搜索主导） ============ */
.site-header{position:sticky;top:0;z-index:1030}
.mainnav{background:rgba(251,247,241,.92);border-bottom:1px solid var(--c-line);transition:box-shadow var(--tr),background var(--tr)}
.site-header.is-scrolled .mainnav{background:rgba(251,247,241,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 10px 30px -22px rgba(34,29,24,.45)}
.nav-inner{display:flex;align-items:center;gap:18px;height:78px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,var(--c-primary),#F2764F);display:grid;place-items:center;box-shadow:0 8px 18px -12px rgba(232,73,43,.9)}
.brand-mark svg{width:20px;height:20px}
.brand-word{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap}
.brand-word em{font-style:normal;font-weight:500;color:var(--c-primary);margin-left:2px}
.nav-search{position:relative;flex:1 1 auto;max-width:500px;margin:0 auto;display:flex;align-items:center;gap:10px;height:46px;padding:0 8px 0 16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);transition:border-color var(--tr),box-shadow var(--tr)}
.nav-search>i{color:var(--c-muted);font-size:17px}
.nav-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:15px;color:var(--c-body);height:100%;outline:none}
.nav-search input::placeholder{color:#9A8F83}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.12)}
.nav-search button{flex:0 0 auto;height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background var(--tr),transform var(--tr)}
.nav-search button:hover{background:var(--c-primary-dark)}
.nav-links{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.pill-link{display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-body);font-size:14.5px;font-weight:500;white-space:nowrap;transition:all var(--tr)}
.pill-link:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-1px)}
.pill-link.is-active{background:var(--c-primary-soft);border-color:rgba(232,73,43,.4);color:var(--c-primary-dark);font-weight:600}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border:0;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all var(--tr);white-space:nowrap}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 24px;border:1px solid var(--c-primary);border-radius:var(--r-pill);background:transparent;color:var(--c-primary);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--tr);white-space:nowrap}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--c-line);border-radius:14px;background:#fff;color:var(--c-ink);font-size:20px;cursor:pointer}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:var(--c-surface);padding:16px 0 20px}
.mobile-panel.is-open{display:block}
.mobile-panel .pill-link{display:flex;justify-content:space-between;height:48px;padding:0 16px;border-radius:14px;margin-bottom:10px;font-size:15px}
.mobile-panel .btn-primary{width:100%;height:48px;margin-top:6px}

/* ============ 页面横幅 ============ */
.page-banner{position:relative;display:flex;align-items:center;min-height:262px;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(23,19,15,.86) 12%,rgba(23,19,15,.52) 78%)}
.page-banner .container-x{position:relative;z-index:2;padding-top:36px;padding-bottom:36px}
.banner-tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;font-size:13px;letter-spacing:.02em}
.banner-title{color:#fff;font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.28;letter-spacing:-.01em;margin:14px 0 12px;max-width:900px}
.banner-sub{color:rgba(255,255,255,.8);font-size:16.5px;max-width:740px}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.crumb-bar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px}
ol.breadcrumb{margin:0;display:flex;align-items:center;font-size:13.5px;color:var(--c-muted);padding:0}
ol.breadcrumb li{display:flex;align-items:center}
ol.breadcrumb li+li::before{content:"/";margin:0 10px;color:#C6BAAB}
ol.breadcrumb a{color:var(--c-muted);transition:color var(--tr)}
ol.breadcrumb a:hover{color:var(--c-primary)}
ol.breadcrumb li[aria-current]{color:var(--c-primary);font-weight:600}
.crumb-meta{font-size:13.5px;color:var(--c-muted);white-space:nowrap}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-secondary-dark);background:var(--c-secondary-soft);padding:4px 12px;border-radius:var(--r-pill);margin-bottom:14px}
.h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.32;letter-spacing:-.01em;color:var(--c-ink)}
.h2-bar{padding-left:16px;position:relative}
.h2-bar::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--c-primary)}
.h3{font-size:20px;font-weight:600;line-height:1.42;color:var(--c-ink)}
.lead{color:var(--c-muted);font-size:16.5px;max-width:720px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;border-bottom:2px solid transparent;transition:all var(--tr)}
.link-more:hover{border-bottom-color:var(--c-primary)}
.link-more i{transition:transform var(--tr)}
.link-more:hover i{transform:translateX(4px)}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-secondary-soft);color:var(--c-secondary-dark);font-size:12.5px;font-weight:600}
.tag-accent{background:#FEF3E1;color:#9A6212}

/* ============ 分类内筛选胶囊 ============ */
.filter-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.filter-inner{display:flex;align-items:center;gap:10px;padding:16px 0;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.filter-label{flex:0 0 auto;font-size:14px;color:var(--c-muted);margin-right:6px}
.filter-chip{flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-body);font-size:14.5px;transition:all var(--tr)}
.filter-chip:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.filter-chip.is-active{background:var(--c-primary-soft);border-color:rgba(232,73,43,.4);color:var(--c-primary-dark);font-weight:600}

/* ============ 场景大图卡片流（两列错落） ============ */
.scene-cols{column-count:2;column-gap:28px}
.scene-card{break-inside:avoid;display:block;margin-bottom:28px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);scroll-margin-top:120px}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(232,73,43,.3);box-shadow:0 24px 46px -26px rgba(34,29,24,.35)}
.scene-media{position:relative;overflow:hidden}
.scene-media img{width:100%;object-fit:cover;border-radius:0}
.scene-media.h-lg img{height:268px}
.scene-media.h-md img{height:212px}
.scene-media.h-sm img{height:176px}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,15,0) 45%,rgba(23,19,15,.5));opacity:.85}
.scene-media .tag{position:absolute;left:16px;top:16px;z-index:2;background:rgba(255,255,255,.94);color:var(--c-primary-dark)}
.scene-body{padding:22px 24px 24px}
.scene-body .h3{margin-bottom:10px}
.scene-desc{color:var(--c-muted);font-size:15.5px;line-height:1.8}
.scene-points{margin-top:16px;display:grid;gap:9px}
.scene-points li{position:relative;padding-left:26px;font-size:15px;color:var(--c-body);line-height:1.7}
.scene-points li i{position:absolute;left:0;top:3px;color:var(--c-secondary);font-size:16px}
.scene-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--c-line)}
.scene-meta{font-size:13px;color:var(--c-muted)}

/* ============ 操作流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-item{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr)}
.flow-item:hover{transform:translateY(-4px);box-shadow:0 24px 46px -26px rgba(34,29,24,.32)}
.flow-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:16px;font-weight:800;margin-bottom:14px}
.flow-item .h3{font-size:18px;margin-bottom:8px}
.flow-item p{color:var(--c-muted);font-size:15px;line-height:1.78}

/* ============ 深色数据区 ============ */
.stats-panel{background:var(--c-ink);border-radius:24px;padding:48px 44px;color:#fff}
.stats-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.stats-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;color:#fff;line-height:1.34}
.stats-head span{font-size:13.5px;color:rgba(255,255,255,.55)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{border-left:2px solid rgba(255,255,255,.14);padding-left:20px}
.stat-num{font-size:clamp(32px,3.6vw,44px);font-weight:800;line-height:1.1;color:var(--c-accent);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat-label{display:block;margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.78)}
.stat-note{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.5);line-height:1.7}
.stats-foot{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}
.stats-bar{margin-top:22px}
.stats-bar span{display:block;height:8px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.stats-bar span::after{content:"";display:block;height:100%;width:68%;border-radius:99px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-header{margin:0}
.faq-accordion .accordion-button{width:100%;display:flex;align-items:center;gap:14px;padding:20px 22px;background:var(--c-surface);border:0;color:var(--c-ink);font-size:17.5px;font-weight:600;line-height:1.55;text-align:left;cursor:pointer;box-shadow:none;transition:color var(--tr),background var(--tr)}
.faq-accordion .accordion-button:not(.collapsed){color:var(--c-primary-dark);background:var(--c-primary-soft);box-shadow:inset 3px 0 0 var(--c-primary)}
.faq-accordion .accordion-button:hover{color:var(--c-primary-dark)}
.faq-accordion .accordion-button:focus,.faq-accordion .accordion-button:focus-visible{box-shadow:inset 3px 0 0 var(--c-primary)}
.faq-accordion .accordion-button::after{margin-left:auto;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%236B6156' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-size:16px 16px;width:16px;height:16px;transition:transform .28s ease;flex:0 0 auto}
.faq-accordion .accordion-button:not(.collapsed)::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23C23A20' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");transform:rotate(180deg)}
.faq-accordion .accordion-body{padding:6px 22px 22px 22px;color:var(--c-muted);font-size:16px;line-height:1.85;max-width:760px}
.faq-accordion .accordion-collapse{border-top:1px solid var(--c-line)}

/* ============ 转化表单 ============ */
.apply-wrap{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.apply-aside{background:linear-gradient(160deg,#FFF6F1,#FFFFFF);border:1px solid var(--c-line);border-radius:var(--r-card);padding:36px 32px;box-shadow:var(--sh-1)}
.apply-aside .h2{margin-bottom:14px}
.apply-aside p{color:var(--c-muted);font-size:16px}
.apply-list{margin-top:24px;display:grid;gap:12px}
.apply-list li{display:flex;gap:10px;font-size:15.5px;color:var(--c-body)}
.apply-list i{color:var(--c-secondary);font-size:18px;line-height:1.6}
.apply-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-body);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-field);color:var(--c-body);font-size:15px;font-family:inherit;padding:0 14px;height:48px;transition:border-color var(--tr),box-shadow var(--tr),background var(--tr)}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.75}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.12)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-primary);background:#FFF6F4}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--c-primary-dark)}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-muted);margin:4px 0 18px}
.check-row input{width:18px;height:18px;flex:0 0 auto;margin-top:4px;accent-color:var(--c-primary)}
.check-row a{color:var(--c-primary);border-bottom:1px solid rgba(232,73,43,.4)}
.apply-card .btn-primary{width:100%;height:50px}
.form-feedback{margin-top:12px;font-size:14px;min-height:22px;color:var(--c-secondary-dark)}
.form-feedback.is-error{color:var(--c-primary-dark)}

/* ============ 相关推荐 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.rel-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr)}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(232,73,43,.3);box-shadow:0 24px 46px -26px rgba(34,29,24,.35)}
.rel-card img{width:100%;height:172px;object-fit:cover}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rel-body .h3{font-size:18px}
.rel-body p{color:var(--c-muted);font-size:15px;line-height:1.78}
.rel-body .link-more{margin-top:auto}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px}
.footer-col{padding-right:24px}
.footer-col+.footer-col{border-left:1px solid rgba(255,255,255,.08);padding-left:24px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .mark{width:34px;height:34px;border-radius:11px;background:rgba(232,73,43,.2);display:grid;place-items:center}
.footer-brand .mark svg{width:19px;height:19px}
.footer-brand .word{font-size:17px;font-weight:800;color:#fff}
.footer-brand .word em{font-style:normal;font-weight:500;color:var(--c-primary)}
.footer-note{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color var(--tr)}
.footer-links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}
.footer-search{display:flex;align-items:center;gap:8px;margin-top:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-pill);padding:5px 5px 5px 16px}
.footer-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;color:#fff;font-size:14px;height:36px;outline:none}
.footer-search input::placeholder{color:rgba(255,255,255,.45)}
.footer-search button{width:36px;height:36px;flex:0 0 auto;border:0;border-radius:50%;background:var(--c-primary);color:#fff;cursor:pointer;transition:background var(--tr)}
.footer-search button:hover{background:var(--c-primary-dark)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap}

/* ============ 返回顶部 ============ */
.to-top{position:fixed;right:24px;bottom:28px;width:44px;height:44px;border:0;border-radius:50%;background:var(--c-primary);color:#fff;font-size:19px;display:grid;place-items:center;cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--tr);z-index:1050}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-dark)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-search{max-width:420px}
  .stats-panel{padding:40px 32px}
}
@media (max-width:991.98px){
  :root{--sp-section:64px}
  .topbar{display:none}
  .nav-inner{flex-wrap:wrap;height:auto;padding:8px 0;row-gap:8px;gap:12px}
  .brand{order:1}
  .brand-mark{width:34px;height:34px}
  .nav-toggle{display:inline-flex;order:2;margin-left:auto}
  .nav-search{order:3;flex:0 0 100%;max-width:none;height:42px;margin:0}
  .nav-search button{padding:0 14px}
  .nav-links{display:none}
  .nav-cta{display:none}
  .page-banner{min-height:210px}
  .page-banner .container-x{padding-top:26px;padding-bottom:26px}
  .crumb-bar .container-x{flex-direction:column;align-items:flex-start;gap:6px;padding-top:12px;padding-bottom:12px}
  .crumb-meta{white-space:normal}
  .scene-cols{column-count:1}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .apply-wrap{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .footer-col{padding-right:0}
  .footer-col+.footer-col{border-left:0;padding-left:0}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .container-x{padding:0 18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .stats-panel{padding:32px 22px;border-radius:20px}
  .stats-grid{grid-template-columns:1fr;gap:18px}
  .stat-item{padding-left:16px}
  .flow-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .apply-aside,.apply-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .scene-media.h-lg img,.scene-media.h-md img,.scene-media.h-sm img{height:200px}
}
@media (max-width:520px){
  .banner-title{font-size:28px}
  .banner-sub{font-size:15.5px}
  .h2{font-size:23px}
  .filter-inner{padding:12px 0}
  to-top{right:16px;bottom:18px}
  .to-top{right:16px;bottom:18px}
}

/* roulang page: category3 */
:root{
  --c-primary:#E8492B;
  --c-primary-dark:#C23A20;
  --c-primary-soft:#FFF2ED;
  --c-secondary:#12A594;
  --c-secondary-dark:#0E7F72;
  --c-secondary-soft:#E7F7F4;
  --c-accent:#F5A524;
  --c-ink:#17130F;
  --c-body:#221D18;
  --c-muted:#6B6156;
  --c-line:#E8DFD3;
  --c-bg:#FBF7F1;
  --c-surface:#FFFFFF;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(34,29,24,.04), 0 12px 32px -18px rgba(34,29,24,.18);
  --sh-2:0 18px 44px -20px rgba(232,73,43,.35);
  --sh-3:0 22px 52px -24px rgba(34,29,24,.28);
  --font-base:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --t-fast:.18s ease;
  --t-base:.28s ease;
  --sec-gap:100px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-body);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t-fast),background-color var(--t-fast),border-color var(--t-fast),transform var(--t-fast);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--c-body);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid rgba(232,73,43,.32);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:22px;
  padding-right:22px;
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-ink);
  color:rgba(255,255,255,.68);
  font-size:13px;
  line-height:1.7;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links a{color:rgba(255,255,255,.72);}
.topbar-links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(251,247,241,.94);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t-base),background-color var(--t-base),backdrop-filter var(--t-base);
}
.site-header.is-stuck{
  background:rgba(251,247,241,.82);
  backdrop-filter:blur(12px);
  box-shadow:0 12px 28px -22px rgba(34,29,24,.42);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  padding-top:12px;
  padding-bottom:12px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--c-primary),#F07A3E);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
  transition:transform var(--t-base);
}
.brand-mark svg{width:21px;height:21px;}
.brand:hover .brand-mark{transform:translateY(-2px) rotate(-4deg);}
.brand-word{
  font-size:19px;
  font-weight:800;
  color:var(--c-body);
  white-space:nowrap;
}
.brand-word em{
  font-style:normal;
  font-weight:500;
  color:var(--c-primary);
}
.nav-center{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  flex:1 1 auto;
  min-width:0;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  flex:0 1 440px;
  min-width:220px;
  height:46px;
  padding:0 8px 0 16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.nav-search i{color:var(--c-muted);font-size:16px;flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  padding:0 10px;
  font-size:14.5px;
  outline:none;
}
.nav-search input::placeholder{color:#A79C90;}
.nav-search:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(232,73,43,.12);
}
.nav-links{display:flex;align-items:center;gap:10px;}
.pill-link{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 15px;
  font-size:14px;
  font-weight:500;
  color:var(--c-body);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.pill-link:hover{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
  transform:translateY(-1px);
}
.pill-link.active{
  background:var(--c-primary-soft);
  border-color:var(--c-primary);
  color:var(--c-primary);
  font-weight:700;
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:all var(--t-base);
}
.btn-primary-x{
  background:var(--c-primary);
  color:#fff;
  box-shadow:0 10px 24px -16px rgba(232,73,43,.9);
}
.btn-primary-x:hover{
  background:var(--c-primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-ghost-x{
  background:transparent;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-ghost-x:hover{background:var(--c-primary-soft);transform:translateY(-2px);}
.btn-sm-x{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  align-items:center;justify-content:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  font-size:22px;
  color:var(--c-body);
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-drawer{
  display:none;
  flex-direction:column;
  gap:8px;
  padding:4px 22px 18px;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
}
.nav-drawer.is-open{display:flex;}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 16px;
  border:1px solid var(--c-line);
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  background:var(--c-bg);
}
.drawer-link:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-link.active{
  background:var(--c-primary-soft);
  border-color:var(--c-primary);
  color:var(--c-primary);
}

/* ============ 页头横幅 ============ */
.page-banner{
  position:relative;
  padding:64px 0 56px;
  background-image:
    linear-gradient(115deg,rgba(23,19,15,.86),rgba(23,19,15,.58)),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:auto -120px -160px auto;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(232,73,43,.42),transparent 68%);
  pointer-events:none;
}
.page-banner .container-x{position:relative;z-index:2;}
.breadcrumb-x{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.6);
  margin-bottom:20px;
}
.breadcrumb-x a{color:rgba(255,255,255,.75);}
.breadcrumb-x a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb-x .sep{opacity:.5;}
.breadcrumb-x .current{color:var(--c-accent);font-weight:600;}
.banner-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--c-accent);
  background:rgba(245,165,36,.14);
  border:1px solid rgba(245,165,36,.36);
  border-radius:var(--r-pill);
  margin-bottom:18px;
}
.page-banner h1{
  color:#fff;
  font-size:46px;
  font-weight:800;
  line-height:1.28;
  max-width:16em;
  margin-bottom:18px;
}
.banner-sub{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:44em;
  margin-bottom:26px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;}
.banner-jump{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.jump-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:38px;
  padding:0 16px;
  font-size:13.5px;
  color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-pill);
}
.jump-chip:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-gap) 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--c-surface);}
.sec-head{margin-bottom:34px;}
.sec-head.center{text-align:center;max-width:780px;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-primary);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;
  border-radius:2px;
  background:var(--c-primary);
}
.sec-head h2{
  font-size:32px;
  font-weight:700;
  line-height:1.32;
  margin-bottom:14px;
}
.sec-head p{color:var(--c-muted);font-size:16px;line-height:1.85;}
.sec-head.split{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.sec-head.split .split-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 速查卡 ============ */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.quick-card{
  position:relative;
  padding:26px 24px 24px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--t-base),border-color var(--t-base),box-shadow var(--t-base);
}
.quick-card:hover{transform:translateY(-4px);border-color:rgba(232,73,43,.3);box-shadow:var(--sh-3);}
.quick-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:10px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-weight:800;
  font-size:14px;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.quick-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.quick-card p{font-size:15px;line-height:1.85;color:var(--c-muted);}

/* ============ 对比区 ============ */
.compare-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:24px;
  padding:28px;
  box-shadow:var(--sh-1);
}
.compare-head{
  display:grid;
  grid-template-columns:200px 1fr 1fr;
  gap:18px;
  padding:0 8px 16px;
  border-bottom:1px dashed var(--c-line);
  margin-bottom:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-muted);
}
.compare-head .head-right{color:var(--c-secondary-dark);}
.compare-row{
  display:grid;
  grid-template-columns:200px 1fr 1fr;
  gap:18px;
  align-items:stretch;
  padding:18px 8px;
  border-bottom:1px solid var(--c-line);
}
.compare-row:last-child{border-bottom:0;padding-bottom:4px;}
.compare-label{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:var(--c-body);
}
.compare-label i{color:var(--c-primary);font-size:17px;}
.compare-cell{
  padding:18px 20px;
  border-radius:var(--r-img);
  font-size:15px;
  line-height:1.85;
}
.cell-plain{
  background:#F4F0EA;
  color:var(--c-muted);
  border:1px solid #EAE2D7;
}
.cell-fix{
  background:var(--c-primary-soft);
  color:var(--c-body);
  border:1px solid rgba(232,73,43,.22);
  position:relative;
}
.cell-fix strong{color:var(--c-primary-dark);}
.cell-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  padding:3px 10px;
  border-radius:var(--r-pill);
  margin-bottom:8px;
}
.cell-plain .cell-tag{background:#E7E0D6;color:var(--c-muted);}
.cell-fix .cell-tag{background:rgba(232,73,43,.14);color:var(--c-primary-dark);}
.compare-note{
  margin-top:22px;
  padding:16px 20px;
  border-left:3px solid var(--c-primary);
  background:rgba(232,73,43,.045);
  border-radius:0 var(--r-img) var(--r-img) 0;
  font-size:15px;
  color:var(--c-muted);
}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  max-width:860px;
  margin:0 auto;
  padding-left:8px;
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:22px;
  padding-bottom:30px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:27px;
  top:56px;
  bottom:0;
  width:2px;
  background:linear-gradient(180deg,var(--c-line),rgba(232,73,43,.28));
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  width:56px;height:56px;
  border-radius:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  color:var(--c-primary);
  font-size:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-1);
  transition:transform var(--t-base),border-color var(--t-base),background-color var(--t-base);
}
.tl-item:hover .tl-dot{
  transform:translateY(-3px);
  border-color:var(--c-primary);
  background:var(--c-primary-soft);
}
.tl-body{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:border-color var(--t-base),box-shadow var(--t-base),transform var(--t-base);
}
.tl-item:hover .tl-body{border-color:rgba(232,73,43,.28);box-shadow:var(--sh-3);transform:translateX(2px);}
.tl-body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.tl-body p{font-size:15.5px;line-height:1.85;color:var(--c-muted);}
.tl-meta{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:14px;
  font-size:13px;
  font-weight:600;
  color:var(--c-secondary-dark);
  background:rgba(18,165,148,.1);
  padding:4px 12px;
  border-radius:var(--r-pill);
}

/* ============ 折叠说明 / FAQ ============ */
.acc-list{max-width:900px;margin:0 auto;}
.acc-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--t-base),box-shadow var(--t-base);
}
.acc-card:hover{border-color:rgba(232,73,43,.28);box-shadow:var(--sh-1);}
.acc-card .accordion-button{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 22px;
  font-size:17.5px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-body);
  background:transparent;
  border:0;
  box-shadow:none;
  text-align:left;
}
.acc-card .accordion-button::before{
  content:"";
  flex:0 0 3px;
  width:3px;
  height:20px;
  border-radius:2px;
  background:var(--c-line);
  transition:background-color var(--t-fast);
}
.acc-card .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;}
.acc-card .accordion-button:not(.collapsed)::before{background:var(--c-primary);}
.acc-card .accordion-button:focus{box-shadow:none;outline:none;}
.acc-card .accordion-button:focus-visible{outline:3px solid rgba(232,73,43,.32);outline-offset:-3px;}
.acc-card .accordion-button::after{
  content:"";
  width:20px;height:20px;
  flex:0 0 20px;
  margin-left:auto;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B6156' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-size:contain;
  background-repeat:no-repeat;
  background-position:center;
  transition:transform var(--t-base);
}
.acc-card .accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E8492B' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}
.acc-card .accordion-body{
  padding:0 22px 24px 43px;
  font-size:16px;
  line-height:1.88;
  color:var(--c-muted);
  max-width:760px;
}
.acc-card .accordion-body strong{color:var(--c-body);}
.faq-band{background:var(--c-surface);}

/* ============ CTA / 表单 ============ */
.cta-band{
  padding:var(--sec-gap) 0;
}
.cta-shell{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:44px;
  align-items:start;
  padding:46px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:26px;
  box-shadow:var(--sh-1);
}
.cta-copy h2{font-size:32px;font-weight:700;line-height:1.32;margin-bottom:16px;}
.cta-copy > p{color:var(--c-muted);font-size:16px;line-height:1.88;margin-bottom:22px;}
.cta-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--c-line);
  font-size:15.5px;
  color:var(--c-body);
}
.cta-points li:last-child{border-bottom:0;}
.cta-points i{color:var(--c-secondary);font-size:17px;margin-top:4px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--c-body);}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  font-size:15px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  transition:border-color var(--t-fast),box-shadow var(--t-fast),background-color var(--t-fast);
}
.field textarea{resize:vertical;min-height:112px;line-height:1.8;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:var(--c-surface);
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(232,73,43,.12);
}
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible{outline:none;}
.field.error input,
.field.error select,
.field.error textarea{border-color:var(--c-primary-dark);background:#FFF6F3;}
.field .tip{font-size:13px;color:var(--c-muted);line-height:1.7;}
.field.error .tip{color:var(--c-primary-dark);}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--c-muted);
  line-height:1.75;
}
.check-line input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary);flex:0 0 18px;}
.check-line a{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.form-foot{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:4px;
}
.form-feedback{
  min-height:22px;
  font-size:14px;
  font-weight:600;
  color:var(--c-secondary-dark);
}
.form-feedback.is-error{color:var(--c-primary-dark);}

/* ============ 相关内容卡 ============ */
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t-base),border-color var(--t-base),box-shadow var(--t-base);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(232,73,43,.28);box-shadow:var(--sh-3);}
.rel-thumb{
  position:relative;
  aspect-ratio:16 / 9;
  background:rgba(232,73,43,.06);
  overflow:hidden;
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-thumb .fallback{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--c-primary);
  font-size:32px;
}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.tag-x{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  font-size:12.5px;
  font-weight:600;
  color:var(--c-secondary-dark);
  background:rgba(18,165,148,.12);
  padding:4px 12px;
  border-radius:var(--r-pill);
  margin-bottom:14px;
}
.rel-body h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.rel-body p{font-size:15px;line-height:1.85;color:var(--c-muted);margin-bottom:18px;}
.rel-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:16px;
  border-top:1px solid var(--c-line);
  font-size:13.5px;
  color:var(--c-muted);
}
.rel-foot .go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--c-primary);
}
.rel-foot .go i{transition:transform var(--t-fast);}
.rel-card:hover .rel-foot .go i{transform:translateX(4px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  padding:68px 0 0;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:0;
  padding-bottom:44px;
}
.footer-col{padding:0 26px;border-left:1px solid rgba(255,255,255,.08);}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--c-primary),#F07A3E);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.footer-brand .mark svg{width:20px;height:20px;}
.footer-brand .word{font-size:18px;font-weight:800;color:#fff;}
.footer-brand .word em{font-style:normal;font-weight:500;color:var(--c-accent);}
.footer-note{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);margin:0;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.footer-search{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  height:46px;
  padding:0 6px 0 16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.footer-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  color:#fff;
  font-size:14px;
  outline:none;
}
.footer-search input::placeholder{color:rgba(255,255,255,.45);}
.footer-search button{
  width:36px;height:36px;
  flex:0 0 36px;
  border:0;
  border-radius:50%;
  background:var(--c-primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background-color var(--t-fast),transform var(--t-fast);
}
.footer-search button:hover{background:var(--c-primary-dark);transform:translateY(-1px);}
.footer-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(232,73,43,.16);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:26px;
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:0;
  border-radius:50%;
  background:var(--c-primary);
  color:#fff;
  font-size:20px;
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:all var(--t-base);
  z-index:1040;
  cursor:pointer;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-dark);transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .page-banner h1{font-size:42px;}
}
@media (max-width:1199.98px){
  :root{--sec-gap:88px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .nav-search{flex:0 1 340px;}
  .pill-link{padding:0 12px;font-size:13.5px;}
}
@media (max-width:991.98px){
  :root{--sec-gap:64px;}
  .topbar{display:none;}
  .nav-inner{flex-wrap:wrap;gap:10px;padding-top:10px;padding-bottom:12px;}
  .nav-center{order:3;width:100%;flex-wrap:wrap;gap:10px;justify-content:stretch;}
  .nav-links{display:none;}
  .nav-search{flex:1 1 100%;max-width:none;min-width:0;height:44px;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-word{font-size:17px;}
  .page-banner{padding:44px 0 40px;}
  .page-banner h1{font-size:34px;}
  .banner-sub{font-size:16px;}
  .sec-head h2{font-size:26px;}
  .compare-wrap{padding:20px;}
  .compare-head{display:none;}
  .compare-row{grid-template-columns:1fr;gap:12px;padding:18px 4px;}
  .compare-label{font-size:16.5px;}
  .cta-shell{grid-template-columns:1fr;gap:30px;padding:30px;}
  .cta-copy h2{font-size:26px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 0;padding-bottom:34px;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(odd){border-left:0;padding-left:0;}
  .footer-col:nth-child(even){padding-right:0;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container-x{padding-left:18px;padding-right:18px;}
  .page-banner h1{font-size:30px;}
  .quick-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .timeline{padding-left:0;}
  .tl-item{grid-template-columns:44px 1fr;gap:16px;}
  .tl-dot{width:44px;height:44px;border-radius:14px;font-size:18px;}
  .tl-item::before{left:21px;top:44px;}
  .acc-card .accordion-button{font-size:16.5px;padding:17px 18px;}
  .acc-card .accordion-body{padding:0 18px 20px 35px;font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{padding:0;border-left:0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:575.98px){
  .page-banner h1{font-size:27px;line-height:1.34;}
  .banner-actions .btn-x{width:100%;}
  .btn-x{height:48px;}
  .sec-head h2{font-size:23px;}
  .cta-shell{padding:22px;}
}