/* roulang page: index */
:root{
  --c-primary:#12312E;
  --c-primary-1:#1E4A45;
  --c-primary-2:#2E6A62;
  --c-accent:#FF5A2B;
  --c-accent-soft:rgba(255,90,43,.12);
  --c-bg:#F6F3EC;
  --c-ink:#0E1413;
  --c-text:#14181A;
  --c-text-2:#5D6866;
  --c-text-3:#8A9391;
  --c-line:rgba(18,49,46,.10);
  --c-line-strong:rgba(18,49,46,.20);
  --c-ok:#2E9E6B;
  --c-warn:#D9922A;
  --c-err:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(15,26,24,.06);
  --sh-2:0 14px 34px -14px rgba(15,26,24,.20);
  --sh-3:0 22px 46px -18px rgba(15,26,24,.32);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;
  --bs-primary:#12312E;
  --bs-body-bg:#F6F3EC;
  --bs-body-color:#14181A;
  --bs-border-radius:10px;
  --bs-link-color:#12312E;
  --bs-link-hover-color:#FF5A2B;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::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-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;color:var(--c-primary);margin:0;line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,54px);}
h2{font-size:clamp(22px,2.6vw,34px);}
h3{font-size:clamp(18px,1.5vw,22px);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;z-index:999;}
.skip:focus{left:12px;top:12px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1200px){.container{max-width:1320px;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-primary);
  color:#EFEAE0;
  font-size:13px;
  line-height:1.6;
  transition:transform .28s ease,opacity .28s ease;
}
.topbar.is-hidden{transform:translateY(-100%);opacity:0;pointer-events:none;}
.topbar-in{
  display:flex;align-items:center;justify-content:space-between;
  min-height:38px;gap:16px;
}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:14px;white-space:nowrap;}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.topbar-right a{color:#EFEAE0;font-size:13px;}
.topbar-right a:hover{color:var(--c-accent);}
.tb-sep{width:1px;height:12px;background:rgba(246,243,236,.25);display:inline-block;}
@media (max-width:767.98px){
  .topbar-in{overflow-x:auto;justify-content:flex-start;gap:22px;scrollbar-width:none;-ms-overflow-style:none;}
  .topbar-in::-webkit-scrollbar{display:none;}
  .topbar-left,.topbar-right{flex:0 0 auto;}
}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,243,236,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.head-in{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:11px;
  background:var(--c-primary);color:#F6F3EC;
  display:grid;place-items:center;
  font-weight:800;font-size:19px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease;
}
.brand:hover .brand-mark{transform:translateY(-2px);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:17px;color:var(--c-primary);letter-spacing:-.01em;font-weight:800;}
.brand-text i{font-style:normal;font-size:12px;color:var(--c-text-3);letter-spacing:.02em;}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  display:inline-block;padding:10px 12px;
  font-size:15px;color:var(--c-text-2);font-weight:600;
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a.active{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.head-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--c-line-strong);
  color:var(--c-primary);font-size:14px;font-weight:600;
  border-radius:var(--r-btn);padding:9px 14px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary);}
.mobile-nav{display:none;border-top:1px solid var(--c-line);background:#fff;}
.mobile-nav.open{display:block;}
.mobile-nav ul{padding:10px 20px 16px;}
.mobile-nav a{display:block;padding:13px 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--c-line);}
.mobile-nav a:last-child{border-bottom:none;}
@media (max-width:991.98px){
  .main-nav,.head-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
}

/* ============ 按钮 ============ */
.btn-rl{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-rl:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -10px rgba(255,90,43,.75);}
.btn-accent:hover{background:#F04A1B;color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,90,43,.85);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-line-strong);}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-solid{background:var(--c-primary);color:#F6F3EC;}
.btn-solid:hover{background:var(--c-primary-1);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary);}
.link-more span{transition:transform .2s ease;display:inline-block;}
.link-more:hover span{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head .sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;
  margin-bottom:10px;
}
.sec-head .sec-eyebrow::before{content:"";width:14px;height:14px;border-radius:4px;background:var(--c-accent);display:inline-block;}
.sec-head p{color:var(--c-text-2);font-size:15px;margin:8px 0 0;max-width:640px;}
.sec-rule{height:1px;background:var(--c-line);margin:0 0 40px;}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-accent-soft);color:#C93E14;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.tag-badge.neutral{background:rgba(18,49,46,.08);color:var(--c-primary);}
.card-rl{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
  overflow:hidden;
}
.card-rl:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}

/* ============ Hero ============ */
.hero{padding:72px 0 0;position:relative;}
.hero::before{
  content:"";position:absolute;inset:0 0 auto 0;height:520px;
  background:radial-gradient(1000px 420px at 12% -10%,rgba(46,106,98,.12),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;}
.hero h1{margin:18px 0 16px;max-width:15em;}
.hero-sub{font-size:19px;color:var(--c-text-2);max-width:30em;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--c-text-2);
}
.hero-points li::before{
  content:"✓";color:var(--c-ok);font-weight:800;font-size:13px;
  width:18px;height:18px;border-radius:6px;background:rgba(46,158,107,.12);
  display:grid;place-items:center;
}
.hero-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);margin:0;
}
.hero-visual img{width:100%;height:380px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,49,46,.45),rgba(18,49,46,.62));
}
.hero-visual figcaption{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
  color:#F6F3EC;font-size:14px;line-height:1.7;
}
.hero-visual figcaption b{display:block;font-size:18px;font-weight:800;color:#fff;margin-bottom:4px;}
@media (max-width:991.98px){
  .hero{padding-top:48px;}
  .hero-visual{margin-top:28px;}
  .hero-visual img{height:240px;}
}

/* ============ 倒计时 ============ */
.countdown-bar{
  margin-top:44px;
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  background:var(--c-ink);border-radius:var(--r-card);
  padding:22px 28px;border:1px solid rgba(246,243,236,.12);
  box-shadow:var(--sh-3);
}
.countdown-label{color:#EFEAE0;font-size:14px;line-height:1.6;}
.countdown-label b{display:block;font-size:16px;font-weight:800;color:#fff;}
.countdown-cells{display:flex;align-items:stretch;gap:0;margin-left:auto;}
.cell{
  min-width:82px;text-align:center;padding:2px 18px;
  border-left:1px solid rgba(246,243,236,.16);
}
.cell:first-child{border-left:none;}
.cell .n{
  font-size:32px;font-weight:800;color:var(--c-accent);
  line-height:1.15;font-variant-numeric:tabular-nums;
  transition:transform .12s ease;
}
.cell .n.pulse{transform:scale(1.06);}
.cell .u{font-size:12px;color:rgba(246,243,236,.65);letter-spacing:.06em;}
.countdown-bar.finished .cell .n{color:#8A9391;}
.countdown-bar.finished .countdown-cells{opacity:.55;}
@media (max-width:767.98px){
  .countdown-bar{padding:18px;}
  .countdown-cells{margin-left:0;width:100%;}
  .cell{flex:1;min-width:0;padding:2px 8px;}
  .cell .n{font-size:26px;}
}

/* ============ 卖点四段 ============ */
.point{
  border-top:2px solid var(--c-primary);
  padding-top:20px;height:100%;
}
.point .idx{
  width:36px;height:36px;border-radius:10px;background:rgba(18,49,46,.08);
  color:var(--c-primary);font-weight:800;font-size:15px;
  display:grid;place-items:center;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.point h3{font-size:18px;margin-bottom:8px;}
.point p{font-size:14px;color:var(--c-text-2);margin:0;}

/* ============ 图墙 ============ */
.gallery-item{position:relative;display:block;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);}
.gallery-item img{width:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1);}
.gallery-item.g-lg img{height:340px;}
.gallery-item.g-sm img{height:340px;}
.gallery-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,20,19,0) 40%,rgba(14,20,19,.62));
  opacity:.85;transition:opacity .3s ease;
}
.gallery-item:hover img{transform:scale(1.04);}
.gallery-item:hover::after{opacity:1;}
.gallery-item .cap{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  color:#fff;font-size:15px;font-weight:700;line-height:1.5;
}
.gallery-item .cap span{display:block;font-size:13px;font-weight:500;color:rgba(246,243,236,.8);margin-top:4px;}
.gallery-note{font-size:13px;color:var(--c-text-3);margin-top:12px;}
@media (max-width:767.98px){
  .gallery-item.g-lg img,.gallery-item.g-sm img{height:230px;}
}

/* ============ 热读排行 ============ */
.rank-wrap{background:var(--c-primary);border-radius:var(--r-card);padding:36px;color:#EFEAE0;box-shadow:var(--sh-3);}
.rank-wrap .sec-eyebrow{color:var(--c-accent);}
.rank-wrap h2{color:#fff;}
.rank-wrap .sec-head p{color:rgba(246,243,236,.72);}
.rank-list li{border-bottom:1px solid rgba(246,243,236,.14);}
.rank-list li:last-child{border-bottom:none;}
.rank-list a{
  display:flex;align-items:center;gap:16px;padding:16px 4px;color:#F6F3EC;
}
.rank-list a:hover{color:var(--c-accent);}
.rank-list .no{
  width:28px;height:28px;border-radius:8px;flex:0 0 auto;
  display:grid;place-items:center;font-size:13px;font-weight:800;
  background:rgba(246,243,236,.12);color:#F6F3EC;font-variant-numeric:tabular-nums;
}
.rank-list li:nth-child(-n+3) .no{background:var(--c-accent);color:#fff;}
.rank-list .tt{flex:1;font-size:15px;font-weight:600;}
.rank-list .mt{font-size:12px;color:rgba(246,243,236,.55);white-space:nowrap;}
@media (max-width:767.98px){
  .rank-wrap{padding:24px 20px;}
  .rank-list .mt{display:none;}
}

/* ============ CMS 资讯列表 ============ */
.post-list{display:flex;flex-direction:column;gap:20px;}
.post-card{
  display:flex;gap:20px;padding:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.post-thumb{
  flex:0 0 220px;height:140px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-primary);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1);}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.post-body h3{font-size:18px;margin-bottom:8px;line-height:1.5;}
.post-body h3 a{color:var(--c-primary);}
.post-body h3 a:hover{color:var(--c-accent);}
.post-body .summary{
  font-size:14px;color:var(--c-text-2);margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:12.5px;color:var(--c-text-3);}
.post-meta .badge-rl{
  background:rgba(18,49,46,.08);color:var(--c-primary);
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px;
}
.post-meta .go{margin-left:auto;font-weight:700;color:var(--c-primary);}
.post-meta .go:hover{color:var(--c-accent);}
.empty-state{
  text-align:center;padding:54px 24px;background:#fff;
  border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
}
.empty-state .ico{
  width:52px;height:52px;border-radius:14px;background:rgba(18,49,46,.06);
  display:grid;place-items:center;margin:0 auto 16px;font-size:22px;color:var(--c-primary-2);
}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:18px;}
@media (max-width:575.98px){
  .post-card{flex-direction:column;gap:14px;}
  .post-thumb{flex:none;width:100%;height:190px;}
}

/* ============ 报名 CTA ============ */
.cta-band{
  background:var(--c-primary);border-radius:var(--r-card);
  padding:56px 48px;color:#EFEAE0;box-shadow:var(--sh-3);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,90,43,.22),transparent 70%);
}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band .lede{font-size:15px;color:rgba(246,243,236,.78);margin-bottom:22px;max-width:34em;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(246,243,236,.9);margin-bottom:12px;}
.check-list li::before{
  content:"✓";flex:0 0 auto;width:20px;height:20px;border-radius:6px;
  background:rgba(255,90,43,.2);color:var(--c-accent);
  display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:2px;
}
.form-card{
  position:relative;z-index:2;
  background:#F6F3EC;border-radius:var(--r-card);padding:28px;
  border:1px solid rgba(246,243,236,.3);box-shadow:var(--sh-3);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .hint{font-size:13px;color:var(--c-text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--c-primary);margin-bottom:6px;}
.field .control{
  width:100%;height:46px;padding:0 14px;font-size:15px;color:var(--c-text);
  background:#fff;border:1px solid var(--c-line-strong);border-radius:var(--r-input);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field .control::placeholder{color:var(--c-text-3);}
.field .control:focus{
  outline:none;border-color:var(--c-accent);
  box-shadow:0 0 0 2px rgba(255,90,43,.35);
}
.field.error .control{border-color:var(--c-err);}
.field .msg{display:none;font-size:12.5px;color:var(--c-err);margin-top:6px;}
.field.error .msg{display:block;}
.field.ok .control{border-color:var(--c-ok);}
.code-row{display:flex;gap:10px;}
.code-row .control{flex:1;}
.code-btn{
  flex:0 0 auto;height:46px;padding:0 16px;border-radius:var(--r-input);
  background:rgba(18,49,46,.08);color:var(--c-primary);
  border:1px solid transparent;font-size:14px;font-weight:700;cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.code-btn:hover{background:rgba(18,49,46,.14);}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-note{font-size:12px;color:var(--c-text-3);margin:14px 0 0;line-height:1.7;}
.form-alert{
  display:none;margin-top:14px;padding:10px 14px;border-radius:var(--r-input);
  font-size:13px;font-weight:600;
}
.form-alert.show{display:block;}
.form-alert.ok{background:rgba(46,158,107,.12);color:#1F7350;}
.form-alert.bad{background:rgba(214,69,69,.12);color:#A32C2C;}
@media (max-width:767.98px){
  .cta-band{padding:32px 20px;}
  .form-card{padding:22px;margin-top:26px;}
  .form-card .btn-rl{width:100%;}
}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .24s ease;
}
.faq-item.open{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 22px;min-height:68px;
}
.faq-q .q-text{flex:1;font-size:17px;font-weight:700;color:var(--c-primary);line-height:1.5;}
.faq-sign{
  flex:0 0 auto;width:30px;height:30px;border-radius:8px;
  background:rgba(18,49,46,.08);color:var(--c-primary);
  display:grid;place-items:center;font-size:17px;font-weight:700;
  transition:transform .28s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-sign{background:var(--c-accent);color:#fff;transform:rotate(45deg);}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2);display:none;}
.faq-item.open .faq-a{display:block;}
.faq-a p:last-child{margin-bottom:0;}

/* ============ 底部 CTA 条 ============ */
.bottom-cta{
  background:var(--c-ink);border-radius:var(--r-card);padding:40px 44px;
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  border:1px solid rgba(246,243,236,.1);
}
.bottom-cta .txt{flex:1;min-width:260px;}
.bottom-cta h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.bottom-cta p{color:rgba(246,243,236,.7);font-size:14.5px;margin:0;}
.bottom-cta .acts{display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:767.98px){
  .bottom-cta{padding:28px 20px;}
  .bottom-cta .acts{width:100%;}
  .bottom-cta .acts .btn-rl{flex:1;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(246,243,236,.72);margin-top:88px;padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand .brand-mark{background:var(--c-accent);}
.foot-brand b{font-size:17px;color:#fff;font-weight:800;}
.foot-desc{font-size:13.5px;line-height:1.8;color:rgba(246,243,236,.62);max-width:28em;}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:rgba(246,243,236,.72);}
.foot-links a:hover{color:var(--c-accent);}
.foot-contact li{font-size:13.5px;color:rgba(246,243,236,.72);margin-bottom:10px;}
.foot-contact span{color:rgba(246,243,236,.45);display:block;font-size:12px;}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(246,243,236,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom p{margin:0;font-size:12.5px;color:rgba(246,243,236,.45);}
.foot-bottom .tips{font-size:12.5px;color:rgba(246,243,236,.4);max-width:60em;}
@media (max-width:991.98px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  .foot-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;margin-top:64px;}
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.in{
  opacity:1;transform:none;
  transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --c-primary:#12312E;
  --c-primary-2:#1E4A45;
  --c-primary-3:#2E6A62;
  --c-accent:#FF5A2B;
  --c-bg:#F6F3EC;
  --c-ink:#0E1413;
  --c-text:#14181A;
  --c-text-2:#5D6866;
  --c-text-3:#8A9391;
  --c-line:rgba(18,49,46,.10);
  --c-ok:#2E9E6B;
  --c-warn:#D9922A;
  --c-err:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,26,24,.06);
  --sh-2:0 14px 34px -14px rgba(15,26,24,.20);
  --sh-3:0 20px 44px -18px rgba(15,26,24,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --w:1200px;
  --bs-primary:#12312E;
  --bs-body-bg:#F6F3EC;
  --bs-body-color:#14181A;
  --bs-border-radius:16px;
  --bs-link-color:#2E6A62;
  --bs-link-hover-color:#FF5A2B;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary-3);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{letter-spacing:-.01em;font-weight:800;color:var(--c-primary);margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.progress-bar-top{position:fixed;top:0;left:0;height:2px;width:0;background:var(--c-accent);z-index:1200;transition:width .1s linear;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary);color:#EFEAE0;font-size:13px;line-height:1.7;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px;}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:14px;white-space:nowrap;}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.topbar a{color:#EFEAE0;text-decoration:none;}
.topbar a:hover{color:var(--c-accent);}
.topbar .sep{width:1px;height:12px;background:rgba(239,234,224,.28);}
@media (max-width:767.98px){
  .topbar .container{overflow-x:auto;}
  .topbar-left,.topbar-right{font-size:12px;}
  .topbar .hide-sm{display:none;}
}

/* ---------- 主导航 ---------- */
.nav-shell{background:#fff;border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:1100;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;letter-spacing:0;
  box-shadow:var(--sh-1);flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:17px;font-weight:800;color:var(--c-primary);letter-spacing:-.01em;}
.brand-text span{font-size:11px;color:var(--c-text-3);letter-spacing:.06em;}
.main-nav ul{display:flex;align-items:center;gap:30px;}
.main-nav a{position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:500;color:var(--c-text-2);}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a.active{color:var(--c-primary);font-weight:700;}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);border-radius:2px;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-primary);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
@media (min-width:992px){
  .nav-collapse.collapse{display:block !important;height:auto !important;}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;}
  .nav-collapse{border-top:1px solid var(--c-line);margin-top:12px;padding-top:6px;}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;}
  .main-nav a{display:block;padding:14px 2px;border-bottom:1px solid var(--c-line);font-size:15px;}
  .main-nav a.active::after{display:none;}
  .main-nav a.active{color:var(--c-primary);}
  .nav-actions .btn-ghost{display:none;}
}

/* ---------- 按钮 ---------- */
.btn-a,.btn-b,.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
}
.btn-a{background:var(--c-accent);color:#fff;box-shadow:0 8px 18px -10px rgba(255,90,43,.8);}
.btn-a:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,90,43,.9);}
.btn-a:active{transform:translateY(0);}
.btn-b{background:transparent;border-color:rgba(18,49,46,.28);color:var(--c-primary);}
.btn-b:hover{border-color:var(--c-primary);background:rgba(18,49,46,.05);color:var(--c-primary);transform:translateY(-2px);}
.btn-c{background:transparent;color:var(--c-primary);padding:0;height:auto;font-weight:600;}
.btn-c::after{content:"→";transition:transform .2s var(--ease);}
.btn-c:hover::after{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(18,49,46,.08);color:var(--c-primary);font-size:12px;font-weight:600;
}
.badge-accent{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;}
.tag-line{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);font-size:13px;transition:all .2s var(--ease);
}
.tag:hover{border-color:var(--c-primary-3);color:var(--c-primary-3);}

/* ---------- 文章头 ---------- */
.crumbs{font-size:13px;color:var(--c-text-3);padding:22px 0 0;}
.crumbs a{color:var(--c-text-2);}
.crumbs a:hover{color:var(--c-accent);}
.crumbs .slash{margin:0 8px;color:rgba(18,49,46,.28);}
.crumbs .cur{color:var(--c-text-3);}
.article-head{padding:26px 0 26px;border-bottom:1px solid var(--c-line);}
.article-head h1{font-size:clamp(26px,3.6vw,42px);line-height:1.35;margin:16px 0 18px;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--c-text-3);}
.article-meta .m-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .m-dot{width:4px;height:4px;border-radius:50%;background:rgba(18,49,46,.22);}

/* ---------- 正文 ---------- */
.reading-wrap{padding:44px 0 8px;}
.article-body{
  max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:44px 46px 48px;
  font-size:17px;line-height:1.9;color:var(--c-text);
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.5;
  margin:1.9em 0 .85em;padding-left:18px;color:var(--c-primary);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.34em;width:6px;height:18px;background:var(--c-accent);border-radius:3px;}
.article-body h3{font-size:20px;font-weight:700;color:var(--c-primary);margin:1.6em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;color:var(--c-primary-2);margin:1.3em 0 .5em;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:#EFEBE1;border-left:3px solid var(--c-accent);
  border-radius:0 10px 10px 0;color:var(--c-text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.3em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.45em 0;line-height:1.85;}
.article-body ul li::marker{color:var(--c-accent);}
.article-body ol li::marker{color:var(--c-primary-3);font-weight:700;}
.article-body img{border-radius:var(--r-img);border:1px solid var(--c-line);margin:1.6em auto;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--c-line);border-radius:10px;overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body thead th{background:#EFEBE1;font-weight:700;color:var(--c-primary);}
.article-body tbody tr:nth-child(even){background:rgba(18,49,46,.03);}
.article-body a{color:var(--c-primary-3);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}
.article-body strong{font-weight:700;color:var(--c-primary);}
@media (max-width:767.98px){
  .article-body{padding:26px 20px 30px;font-size:16px;border-radius:14px;}
  .reading-wrap{padding:28px 0 6px;}
}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:64px 28px;text-align:center;
}
.empty-icon{
  width:64px;height:64px;border-radius:16px;background:rgba(18,49,46,.06);color:var(--c-primary);
  display:grid;place-items:center;margin:0 auto 20px;font-size:26px;font-weight:800;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin:0 0 24px;}
.empty-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}

/* ---------- 文末区 ---------- */
.article-foot{max-width:820px;margin:0 auto;padding:32px 0 0;}
.foot-block{padding:26px 0;border-top:1px solid var(--c-line);}
.foot-block-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--c-primary);margin-bottom:16px;}
.foot-block-title i{width:6px;height:16px;background:var(--c-accent);border-radius:2px;display:inline-block;}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.rec-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 var(--ease),box-shadow .25s var(--ease);
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.rec-thumb{position:relative;padding-top:58%;overflow:hidden;background:var(--c-primary);}
.rec-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.05);}
.rec-body{padding:14px 16px 16px;}
.rec-body h3{font-size:15px;line-height:1.6;font-weight:700;color:var(--c-text);margin-bottom:8px;}
.rec-card:hover .rec-body h3{color:var(--c-primary-3);}
.rec-body .rec-meta{font-size:12px;color:var(--c-text-3);display:flex;align-items:center;gap:8px;}
@media (max-width:767.98px){.rec-grid{grid-template-columns:1fr;}}

/* ---------- 底部 CTA ---------- */
.bottom-cta{
  position:relative;margin-top:64px;padding:76px 0;color:#EFEAE0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.bottom-cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,20,19,.90),rgba(18,49,46,.72));}
.bottom-cta .container{position:relative;z-index:2;}
.cta-flex{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-flex h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.4;margin-bottom:10px;}
.cta-flex p{color:rgba(239,234,224,.78);font-size:15px;margin:0;max-width:560px;}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap;}
.cta-btns .btn-b{border-color:rgba(239,234,224,.42);color:#EFEAE0;}
.cta-btns .btn-b:hover{background:rgba(239,234,224,.12);color:#fff;border-color:#EFEAE0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#EBE6DC;padding:66px 0 26px;font-size:14px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{background:var(--c-accent);color:#fff;}
.foot-brand b{color:#fff;font-size:17px;font-weight:800;}
.foot-desc{color:rgba(235,230,220,.62);font-size:13.5px;line-height:1.9;margin:0;max-width:320px;}
.foot-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.foot-links li{margin-bottom:11px;}
.foot-links a{color:rgba(235,230,220,.66);font-size:13.5px;}
.foot-links a:hover{color:var(--c-accent);}
.foot-contact li{display:flex;justify-content:space-between;gap:12px;color:rgba(235,230,220,.66);font-size:13.5px;margin-bottom:11px;}
.foot-contact li span{color:rgba(235,230,220,.4);}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(235,230,220,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.foot-bottom p{margin:0;font-size:12.5px;color:rgba(235,230,220,.5);line-height:1.8;}
.foot-bottom .tips{max-width:720px;}
@media (max-width:991.98px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  .foot-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 20px;}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:26px;width:46px;height:46px;border-radius:12px;
  background:var(--c-primary);color:#fff;border:0;display:grid;place-items:center;
  box-shadow:var(--sh-2);opacity:0;pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease);z-index:1050;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);background:var(--c-primary-2);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .3s linear;}
  .btn-a:hover,.btn-b:hover,.rec-card:hover,.to-top:hover{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12312E;
  --c-primary-1:#1E4A45;
  --c-primary-2:#2E6A62;
  --c-accent:#FF5A2B;
  --c-bg:#F6F3EC;
  --c-ink:#0E1413;
  --c-text:#14181A;
  --c-text-2:#5D6866;
  --c-text-3:#8A9391;
  --c-line:rgba(18,49,46,.10);
  --c-success:#2E9E6B;
  --c-warn:#D9922A;
  --c-danger:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(15,26,24,.06);
  --sh-2:0 14px 34px -14px rgba(15,26,24,.20);
  --sh-3:0 20px 44px -16px rgba(15,26,24,.28);
  --c-cream:#F6F3EC;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.35}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1400px){.wrap{max-width:1320px}}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-primary);
  color:rgba(246,243,236,.86);
  font-size:13px;
  line-height:1.7;
}
.topbar .wrap{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.tb-left,.tb-right{display:flex;align-items:center;gap:16px;white-space:nowrap}
.tb-left .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
  display:inline-block;
  margin-right:6px;
  vertical-align:middle;
}
.tb-right a{color:rgba(246,243,236,.86)}
.tb-right a:hover{color:var(--c-accent)}
.tb-sep{width:1px;height:14px;background:rgba(246,243,236,.22);display:inline-block}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(15,26,24,.04);
}
.nav-row{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:var(--c-primary);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary)}
.brand-mark{
  width:36px;height:36px;
  border-radius:9px;
  background:var(--c-primary);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:17px;
  font-weight:800;
  flex:0 0 auto;
}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--c-text-2);
  border-radius:8px;
  position:relative;
  transition:color .2s ease,background .2s ease;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s cubic-bezier(.22,.61,.36,1);
}
.main-nav a:hover{color:var(--c-primary);background:rgba(18,49,46,.05)}
.main-nav a.active{color:var(--c-primary);font-weight:800}
.main-nav a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:var(--r-btn);
  color:var(--c-primary);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{border-color:var(--c-primary-2)}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.rl-btn--primary{background:var(--c-accent);color:#fff}
.rl-btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -12px rgba(255,90,43,.62)}
.rl-btn--primary:active{transform:translateY(0)}
.rl-btn--ghost{background:transparent;border-color:rgba(18,49,46,.22);color:var(--c-primary)}
.rl-btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);background:rgba(18,49,46,.04)}
.rl-btn--light{background:#fff;color:var(--c-primary)}
.rl-btn--light:hover{color:var(--c-primary);transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(0,0,0,.4)}
.rl-btn--outline-light{background:transparent;border-color:rgba(246,243,236,.42);color:#F6F3EC}
.rl-btn--outline-light:hover{color:#fff;border-color:#fff;transform:translateY(-2px)}
.rl-btn--sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 页头 banner ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(14,20,19,.82) 0%,rgba(18,49,46,.62) 58%,rgba(18,49,46,.52) 100%);
}
.page-hero .wrap{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;min-height:290px;display:flex;flex-direction:column;justify-content:center}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(246,243,236,.72);
  margin-bottom:16px;
  flex-wrap:wrap;
}
.crumb a{color:rgba(246,243,236,.78)}
.crumb a:hover{color:var(--c-accent)}
.crumb .slash{color:rgba(246,243,236,.38)}
.crumb .cur{color:rgba(246,243,236,.62)}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  align-self:flex-start;
  height:30px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(255,90,43,.92);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(26px,3.4vw,44px);
  font-weight:800;
  color:#fff;
  max-width:820px;
  margin-bottom:14px;
}
.page-hero .hero-sub{
  font-size:18px;
  line-height:1.7;
  color:rgba(246,243,236,.82);
  max-width:660px;
  margin:0;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero-meta span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:rgba(246,243,236,.78);
  border:1px solid rgba(246,243,236,.24);
  border-radius:999px;
  padding:5px 12px;
}
.hero-meta i{color:var(--c-accent)}

/* ---------- 板块结构 ---------- */
.section{padding:88px 0}
.section--tight{padding:60px 0}
.section--dark{background:var(--c-ink);color:#F6F3EC}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:rgba(246,243,236,.7)}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:20px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:44px;
}
.section--dark .sec-head{border-bottom-color:rgba(246,243,236,.14)}
.sec-head-left{display:flex;align-items:flex-start;gap:14px}
.sec-num{
  flex:0 0 auto;
  width:38px;height:38px;
  border-radius:8px;
  background:var(--c-primary);
  color:#F6F3EC;
  display:grid;
  place-items:center;
  font-size:14px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-top:4px;
}
.section--dark .sec-num{background:var(--c-accent);color:#fff}
.sec-title{
  font-size:clamp(22px,2.6vw,34px);
  color:var(--c-primary);
}
.sec-desc{
  margin-top:8px;
  font-size:15px;
  color:var(--c-text-2);
  max-width:760px;
}
.sec-link{
  font-size:14px;
  font-weight:700;
  color:var(--c-primary);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.sec-link i{transition:transform .2s ease}
.sec-link:hover i{transform:translateX(4px)}
.section--dark .sec-link{color:#F6F3EC}

/* ---------- 概览要点条 ---------- */
.brief-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.brief-item{
  padding:28px 26px;
  border-right:1px solid var(--c-line);
}
.brief-item:last-child{border-right:none}
.brief-item .bi-idx{
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:10px;
}
.brief-item h3{font-size:17px;color:var(--c-primary);margin-bottom:6px}
.brief-item p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0}

/* ---------- Z 字图文流 ---------- */
.zig{
  display:grid;
  grid-template-columns:55% 45%;
  gap:56px;
  align-items:center;
  padding-bottom:64px;
  margin-bottom:64px;
  border-bottom:1px dashed var(--c-line);
}
.zig:last-child{padding-bottom:0;margin-bottom:0;border-bottom:none}
.zig.rev{grid-template-columns:45% 55%}
.zig.rev .zig-media{order:-1}
.zig-text .tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:var(--c-primary);
  background:rgba(18,49,46,.08);
  border-radius:6px;
  padding:3px 10px;
  margin-bottom:14px;
}
.zig-text h3{
  font-size:clamp(20px,2.2vw,24px);
  color:var(--c-primary);
  margin-bottom:12px;
}
.zig-text p{font-size:15px;line-height:1.85;color:var(--c-text-2)}
.dot-list{margin-top:16px;display:grid;gap:10px}
.dot-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  line-height:1.7;
  color:var(--c-text-2);
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-accent);
}
.zig-media{position:relative}
.zig-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  transition:transform .4s cubic-bezier(.22,.61,.36,1);
}
.zig-media:hover img{transform:scale(1.02)}
.zig-media .cap{
  display:block;
  margin-top:10px;
  font-size:13px;
  color:var(--c-text-3);
}
.zig-media .chip{
  position:absolute;
  top:14px;left:14px;
  background:rgba(14,20,19,.72);
  color:#F6F3EC;
  font-size:12px;
  font-weight:700;
  border-radius:6px;
  padding:5px 10px;
  backdrop-filter:blur(2px);
}

/* ---------- 对照表 ---------- */
.table-wrap{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto}
.cmp-table{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15px;
}
.cmp-table caption{
  caption-side:top;
  text-align:left;
  padding:20px 24px 0;
  font-size:14px;
  color:var(--c-text-3);
}
.cmp-table th,.cmp-table td{
  padding:16px 24px;
  text-align:left;
  border-bottom:1px solid var(--c-line);
}
.cmp-table thead th{
  background:rgba(18,49,46,.05);
  font-size:14px;
  font-weight:800;
  color:var(--c-primary);
  white-space:nowrap;
}
.cmp-table tbody tr:nth-child(even){background:rgba(246,243,236,.55)}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody td:first-child{font-weight:700;color:var(--c-primary)}
.cmp-table tbody td{color:var(--c-text-2);line-height:1.75}
.pill{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  border-radius:6px;
  padding:2px 8px;
  background:rgba(18,49,46,.08);
  color:var(--c-primary);
}
.pill--hot{background:rgba(255,90,43,.12);color:#D23F13}

/* ---------- FAQ ---------- */
.faq-list{
  border-top:1px solid var(--c-line);
}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:68px;
  padding:16px 4px;
  background:none;
  border:none;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-accent)}
.faq-icon{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:8px;
  border:1px solid var(--c-line);
  display:grid;
  place-items:center;
  color:var(--c-primary);
  font-size:14px;
  transition:transform .28s cubic-bezier(.22,.61,.36,1),background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.open .faq-icon{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#fff;
  transform:rotate(135deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s cubic-bezier(.22,.61,.36,1);
}
.faq-a-inner{
  padding:0 60px 24px 4px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary);
  color:#F6F3EC;
  border-radius:var(--r-card);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:var(--sh-2);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(255,90,43,.14);
}
.cta-band-copy{position:relative;z-index:2;max-width:640px}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(246,243,236,.78);margin:0}
.cta-band-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:rgba(246,243,236,.72);
  padding:64px 0 28px;
  font-size:14px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(246,243,236,.12);
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#F6F3EC;
  margin-bottom:14px;
}
.foot-brand .brand-mark{background:var(--c-accent);color:#fff}
.foot-desc{font-size:13px;line-height:1.8;color:rgba(246,243,236,.6);margin:0;max-width:320px}
.foot-title{
  font-size:14px;
  font-weight:800;
  color:#F6F3EC;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.foot-links li,.foot-contact li{margin-bottom:10px;font-size:13px}
.foot-links a{color:rgba(246,243,236,.68)}
.foot-links a:hover{color:var(--c-accent)}
.foot-contact li{display:flex;justify-content:space-between;gap:14px;color:rgba(246,243,236,.62)}
.foot-contact span{color:rgba(246,243,236,.86);font-variant-numeric:tabular-nums}
.foot-bottom{
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.foot-bottom p{margin:0;font-size:12.5px;color:rgba(246,243,236,.5)}
.foot-bottom .tips{max-width:720px;line-height:1.7}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .zig{gap:40px}
  .foot-grid{grid-template-columns:1.3fr 1fr 1fr;row-gap:32px}
}
@media(max-width:991px){
  .section{padding:72px 0}
  .nav-toggle{display:inline-flex}
  .nav-actions .rl-btn--ghost{display:none}
  .main-nav{
    display:none;
    position:absolute;
    left:0;right:0;
    top:100%;
    background:#fff;
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    padding:12px 20px 18px;
  }
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{padding:13px 12px;font-size:15px;border-radius:8px}
  .main-nav a::after{display:none}
  .main-nav a.active{background:rgba(18,49,46,.06)}
  .zig,.zig.rev{grid-template-columns:1fr;gap:26px}
  .zig.rev .zig-media{order:0}
  .brief-list{grid-template-columns:1fr}
  .brief-item{border-right:none;border-bottom:1px solid var(--c-line)}
  .brief-item:last-child{border-bottom:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .topbar .wrap{
    justify-content:flex-start;
    overflow-x:auto;
    gap:18px;
    padding-top:7px;
    padding-bottom:7px;
  }
  .tb-left,.tb-right{gap:12px}
  .nav-row{min-height:66px}
  .brand{font-size:16px}
  .brand-mark{width:32px;height:32px;font-size:15px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px}
  .page-hero .wrap{padding-top:48px;padding-bottom:48px;min-height:250px}
  .page-hero .hero-sub{font-size:16px}
  .sec-num{width:34px;height:34px;font-size:13px}
  .cta-band{padding:30px 22px;border-radius:14px}
  .cta-band-actions{width:100%}
  .cta-band-actions .rl-btn{width:100%}
  .faq-a-inner{padding-right:8px}
  .cmp-table th,.cmp-table td{padding:14px 16px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;gap:10px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#12312E;
  --c-primary-mid:#1E4A45;
  --c-primary-soft:#2E6A62;
  --c-accent:#FF5A2B;
  --c-bg:#F6F3EC;
  --c-ink:#0E1413;
  --c-text:#14181A;
  --c-text-2:#5D6866;
  --c-text-3:#8A9391;
  --c-line:rgba(18,49,46,.10);
  --c-ok:#2E9E6B;
  --c-warn:#D9922A;
  --c-err:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,26,24,.06);
  --sh-2:0 14px 34px -14px rgba(15,26,24,.20);
  --sh-3:0 22px 48px -20px rgba(15,26,24,.28);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-primary:#12312E;
  --bs-body-bg:#F6F3EC;
  --bs-body-color:#14181A;
  --bs-border-color:rgba(18,49,46,.10);
  --bs-border-radius:16px;
  --bs-border-radius-sm:10px;
  --bs-link-color:#12312E;
  --bs-link-hover-color:#2E6A62;
  --bs-focus-ring-color:rgba(255,90,43,.45);
  --bs-font-sans-serif:var(--font);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-soft)}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;color:var(--c-primary);margin:0}
h1{font-size:clamp(26px,3.4vw,44px);line-height:1.25}
h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3}
h3{font-size:clamp(18px,2vw,23px);line-height:1.4}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1400px){.wrap{max-width:1320px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary);color:#F6F3EC;font-size:13px;line-height:1.6}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;flex-wrap:wrap}
.topbar-left{display:flex;align-items:center;gap:14px;color:rgba(246,243,236,.86)}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right a{color:rgba(246,243,236,.86);font-size:13px}
.topbar-right a:hover{color:var(--c-accent)}

/* ---------- 主导航 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:60;box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-primary);font-weight:800;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.logo:hover{color:var(--c-primary)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#F6F3EC;
  display:grid;place-items:center;font-size:16px;font-weight:800;flex:0 0 auto;
  box-shadow:inset 0 0 0 2px rgba(246,243,236,.18);
}
.main-nav ul{display:flex;align-items:center;gap:26px;list-style:none}
.main-nav a{
  position:relative;display:block;padding:8px 0;font-size:15px;font-weight:500;
  color:var(--c-text-2);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.22,.61,.36,1);
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--c-primary);font-weight:700}
.main-nav a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -10px rgba(255,90,43,.7)}
.btn-primary:hover{background:#F04A1C;color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,90,43,.75)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(18,49,46,.22);color:var(--c-primary);background:transparent}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(18,49,46,.05);color:var(--c-primary);transform:translateY(-2px)}
.btn-ink{background:var(--c-primary);color:#F6F3EC}
.btn-ink:hover{background:var(--c-primary-mid);color:#fff;transform:translateY(-2px)}
.btn-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--c-primary)}
.btn-link-arrow i{transition:transform .2s ease;font-style:normal}
.btn-link-arrow:hover i{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;
  background:rgba(18,49,46,.08);color:var(--c-primary);font-size:12px;font-weight:700;line-height:1.6;
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-outline{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  border:1px solid rgba(18,49,46,.18);color:var(--c-text-2);font-size:12px;font-weight:600;
}

/* ---------- 页头 banner ---------- */
.page-hero{
  position:relative;color:#F6F3EC;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,20,19,.78) 0%,rgba(18,49,46,.62) 55%,rgba(18,49,46,.48) 100%);
}
.page-hero .wrap{position:relative;padding:72px 20px 60px;max-width:1200px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,236,.7);margin-bottom:18px}
.breadcrumb a{color:rgba(246,243,236,.82)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{color:rgba(246,243,236,.4)}
.breadcrumb .current{color:rgba(246,243,236,.6)}
.page-hero h1{color:#fff;max-width:20em}
.page-hero .hero-sub{margin-top:14px;font-size:18px;line-height:1.7;color:rgba(246,243,236,.86);max-width:36em}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(246,243,236,.12);color:rgba(246,243,236,.92);border:1px solid rgba(246,243,236,.18);
}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:40px}
.sec-index{
  flex:0 0 auto;width:36px;height:36px;border-radius:8px;background:rgba(255,90,43,.12);
  color:var(--c-accent);font-weight:800;font-size:14px;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;margin-top:4px;
}
.sec-head h2{margin-bottom:8px}
.sec-sub{color:var(--c-text-2);font-size:15.5px;max-width:60ch;margin:0}
.sec-line{height:1px;background:var(--c-line);margin:0 0 40px}

/* ---------- 时间轴 ---------- */
.timeline{list-style:none;position:relative;padding:8px 0 0}
.timeline::before{content:"";position:absolute;left:113px;top:14px;bottom:14px;width:2px;background:var(--c-line)}
.tl-item{position:relative;display:grid;grid-template-columns:118px minmax(0,1fr);gap:0;padding-bottom:26px}
.tl-item::before{
  content:"";position:absolute;left:109px;top:30px;width:10px;height:10px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(255,90,43,.16);z-index:2;
}
.tl-date{
  padding:24px 26px 0 0;text-align:right;font-size:13px;line-height:1.6;color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}
.tl-date b{display:block;color:var(--c-primary);font-size:13.5px;font-weight:700;margin-bottom:2px}
.tl-card{
  margin-left:26px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.tl-card h3{margin-bottom:10px;font-size:20px}
.tl-card p{color:var(--c-text-2);font-size:15px;margin-bottom:14px}
.tl-points{list-style:none;display:grid;gap:8px}
.tl-points li{position:relative;padding-left:20px;font-size:14px;color:var(--c-text-2)}
.tl-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;
  background:rgba(18,49,46,.16);
}
.tl-card .tl-thumb{margin-top:18px}
.tl-card .tl-thumb img{width:100%;height:172px;object-fit:cover;border:1px solid var(--c-line)}
.tl-card .tl-thumb figcaption{font-size:12.5px;color:var(--c-text-3);margin-top:8px}

/* ---------- 卡片 ---------- */
.card-soft{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);height:100%;
  transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s ease;
}
.card-soft:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card-soft h3{font-size:18.5px;margin-bottom:10px}
.card-soft p{font-size:14.5px;color:var(--c-text-2);margin:0}
.card-num{
  width:32px;height:32px;border-radius:8px;background:var(--c-primary);color:#F6F3EC;
  display:grid;place-items:center;font-size:13px;font-weight:800;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.card-media{overflow:hidden;border-radius:var(--r-img);border:1px solid var(--c-line);margin-bottom:18px}
.card-media img{width:100%;height:210px;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.card-soft:hover .card-media img{transform:scale(1.04)}

/* ---------- 清单列表 ---------- */
.checklist{list-style:none;display:grid;gap:12px}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);
  border-radius:12px;padding:14px 18px;font-size:14.5px;color:var(--c-text-2);box-shadow:var(--sh-1);
}
.checklist li i{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:rgba(46,158,107,.14);
  color:var(--c-ok);display:grid;place-items:center;font-size:12px;font-style:normal;font-weight:800;
  margin-top:2px;
}
.checklist li b{color:var(--c-text);font-weight:700}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;background:transparent;border:0;padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:20px;text-align:left;cursor:pointer;color:var(--c-primary);
}
.faq-q span{font-size:17px;font-weight:700;line-height:1.6}
.faq-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:8px;border:1px solid var(--c-line);
  display:grid;place-items:center;position:relative;transition:transform .26s ease,background .26s ease,border-color .26s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);transition:background .26s ease;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon{transform:rotate(135deg);background:var(--c-accent);border-color:var(--c-accent)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s cubic-bezier(.22,.61,.36,1)}
.faq-a p{padding:0 0 22px;margin:0;font-size:15px;color:var(--c-text-2);max-width:80ch}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-ink);color:#F6F3EC;padding:64px 0}
.cta-band .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(246,243,236,.72);font-size:15px;margin:0;max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(246,243,236,.34);color:#F6F3EC}
.cta-band .btn-ghost:hover{border-color:#F6F3EC;background:rgba(246,243,236,.08);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(246,243,236,.78);padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;color:#fff;font-weight:800;margin-bottom:14px}
.foot-brand .brand-mark{background:var(--c-primary-soft);color:#fff}
.foot-desc{font-size:13.5px;line-height:1.85;color:rgba(246,243,236,.62);max-width:34em;margin:0}
.foot-title{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px}
.foot-links{list-style:none;display:grid;gap:10px}
.foot-links a{color:rgba(246,243,236,.7);font-size:14px}
.foot-links a:hover{color:var(--c-accent)}
.foot-contact{list-style:none;display:grid;gap:6px}
.foot-contact li{
  display:flex;justify-content:space-between;gap:12px;font-size:13px;color:rgba(246,243,236,.66);
  padding:7px 0;border-bottom:1px dashed rgba(246,243,236,.14);
}
.foot-contact span{color:rgba(246,243,236,.9)}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(246,243,236,.14);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.5px;
}
.foot-bottom p{margin:0;color:rgba(246,243,236,.56)}
.foot-bottom .tips{max-width:66ch}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:1199.98px){
  .section{padding:84px 0}
}
@media(max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-inner{flex-wrap:wrap;min-height:68px;padding:10px 0}
  .main-nav{
    order:3;flex-basis:100%;max-height:0;overflow:hidden;
    transition:max-height .32s cubic-bezier(.22,.61,.36,1);
  }
  .main-nav.open{max-height:320px}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:6px 0 12px}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--c-line)}
  .main-nav a::after{display:none}
  .main-nav a.active{color:var(--c-accent)}
  .nav-actions{order:2}
  .foot-grid{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
}
@media(max-width:767.98px){
  .topbar .wrap{min-height:auto;padding-top:8px;padding-bottom:8px}
  .topbar-left,.topbar-right{gap:12px;font-size:12.5px}
  .page-hero .wrap{padding:52px 20px 46px}
  .page-hero .hero-sub{font-size:16.5px}
  .section{padding:60px 0}
  .sec-head{margin-bottom:28px}
  .timeline::before{left:9px}
  .tl-item{grid-template-columns:1fr;padding-bottom:20px}
  .tl-item::before{left:4px;top:24px}
  .tl-date{text-align:left;padding:12px 0 8px 26px}
  .tl-card{margin-left:26px;padding:20px 18px}
  .cta-band{padding:52px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{margin-top:32px}
}
@media(max-width:519.98px){
  .wrap{padding:0 18px}
  .nav-actions .btn-ghost{display:none}
  .logo{font-size:16px}
  .card-soft{padding:22px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  .card-soft:hover,.tl-card:hover,.btn:hover,.card-soft:hover .card-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --c-primary:#12312E;
  --c-primary-1:#1E4A45;
  --c-primary-2:#2E6A62;
  --c-accent:#FF5A2B;
  --c-bg:#F6F3EC;
  --c-ink:#0E1413;
  --c-text:#14181A;
  --c-text-2:#5D6866;
  --c-text-3:#8A9391;
  --c-line:rgba(18,49,46,.10);
  --c-line-strong:rgba(18,49,46,.20);
  --c-success:#2E9E6B;
  --c-warn:#D9922A;
  --c-error:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(15,26,24,.06);
  --sh-2:0 14px 34px -14px rgba(15,26,24,.20);
  --sh-3:0 20px 44px -16px rgba(15,26,24,.30);
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px;
  --wrap:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--c-primary);line-height:1.3;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部信息条 ============ */
.top-bar{background:var(--c-primary);color:#E9E4D8;font-size:13px;line-height:1.6;}
.top-bar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px;}
.top-l{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.top-l .dot{width:6px;height:6px;border-radius:50%;background:var(--c-success);display:inline-block;margin-right:6px;}
.top-l .domain{letter-spacing:.04em;color:#B9CFC9;}
.top-r{display:flex;align-items:center;gap:18px;}
.top-r a{color:#E9E4D8;font-size:13px;}
.top-r a:hover{color:var(--c-accent);}

/* ============ 头部主导航 ============ */
.site-head{background:rgba(246,243,236,.96);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:60;backdrop-filter:saturate(140%) blur(6px);}
.head-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--c-primary);letter-spacing:-.01em;}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#F6F3EC;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;
  border:1px solid var(--c-primary-2);box-shadow:var(--sh-1);flex:0 0 auto;
}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--c-text-3);letter-spacing:.08em;line-height:1;}
.main-nav ul{display:flex;align-items:center;gap:28px;}
.main-nav a{position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:600;color:var(--c-text-2);}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a.active{color:var(--c-primary);font-weight:800;}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);border-radius:2px;}
.head-actions{display:flex;align-items:center;gap:10px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#F04B1C;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-line-strong);}
.btn-outline:hover{background:rgba(18,49,46,.05);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary-2);color:var(--c-primary);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line-strong);background:#fff;color:var(--c-primary);align-items:center;justify-content:center;}
.nav-toggle:hover{transform:translateY(-2px);}

/* ============ 内页 banner ============ */
.page-banner{
  position:relative;min-height:310px;display:flex;align-items:center;
  background-image:linear-gradient(120deg,rgba(14,32,30,.72),rgba(18,49,46,.55)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;border-bottom:1px solid var(--c-line);
}
.banner-inner{padding:52px 0 44px;color:#F2EDE1;max-width:820px;}
.crumb{font-size:13px;color:#B7C7C3;margin-bottom:12px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.crumb a{color:#B7C7C3;}
.crumb a:hover{color:var(--c-accent);}
.crumb span.sep{color:rgba(255,255,255,.35);}
.crumb .cur{color:#8FA29E;}
.page-banner h1{
  color:#fff;font-size:clamp(26px,3.4vw,44px);font-weight:800;line-height:1.25;margin-bottom:12px;
  text-shadow:0 2px 18px rgba(0,0,0,.28);
}
.banner-sub{font-size:18px;color:#D8DDD8;max-width:660px;margin:0;}
.banner-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}
.banner-tags span{
  font-size:12px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);color:#EDE7D9;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section.tight{padding:72px 0;}
.sec-head{margin-bottom:44px;}
.sec-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;margin-bottom:12px;}
.sec-label::before{content:"";width:10px;height:10px;background:var(--c-accent);border-radius:3px;display:block;}
.sec-title{font-size:clamp(22px,2.6vw,34px);margin-bottom:12px;}
.sec-desc{font-size:16px;color:var(--c-text-2);max-width:760px;margin:0;}
.sec-rule{height:1px;background:var(--c-line);margin-top:26px;}

/* ============ 8/4 不规则双列 ============ */
.duo{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:stretch;}
.duo.rev{grid-template-columns:4fr 8fr;}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.card-media{position:relative;overflow:hidden;background:var(--c-primary);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.22,.61,.36,1);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,32,30,0) 40%,rgba(14,32,30,.42));pointer-events:none;}
.card-media.big{min-height:340px;}
.card-media.mid{min-height:170px;}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:21px;line-height:1.4;}
.card-body p{font-size:15px;color:var(--c-text-2);margin:0;}
.card-foot{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-text-3);}
.card-foot .arrow{margin-left:auto;color:var(--c-accent);font-weight:700;transition:transform .2s ease;}
.card:hover .card-foot .arrow{transform:translateX(4px);}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px;background:rgba(18,49,46,.08);color:var(--c-primary);}
.chip.hot{background:var(--c-accent);color:#fff;}
.chip.line{background:transparent;border:1px solid var(--c-line-strong);color:var(--c-text-2);font-weight:600;}
.card-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.dotlist{display:flex;flex-direction:column;gap:10px;}
.dotlist li{position:relative;padding-left:20px;font-size:15px;color:var(--c-text-2);}
.dotlist li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--c-accent);}

/* ============ 排行 / 热度列表 ============ */
.rank-wrap{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.rank-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:10px 26px;}
.rank-item{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--c-line);}
.rank-item:last-child{border-bottom:0;}
.rank-no{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;background:rgba(18,49,46,.08);color:var(--c-primary);
  font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;font-variant-numeric:tabular-nums;
}
.rank-item.top .rank-no{background:var(--c-accent);color:#fff;}
.rank-main h3{font-size:17px;margin-bottom:6px;}
.rank-main p{font-size:14px;color:var(--c-text-2);margin:0;}
.rank-side{background:var(--c-primary);color:#E8E3D6;border-radius:var(--r-card);padding:30px 28px;border:1px solid var(--c-primary-2);display:flex;flex-direction:column;gap:18px;}
.rank-side h3{color:#fff;font-size:20px;}
.rank-side p{font-size:14px;color:#B9CFC9;margin:0;}
.rank-side .kpi{display:flex;gap:22px;margin-top:auto;flex-wrap:wrap;}
.rank-side .kpi b{display:block;font-size:24px;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;}
.rank-side .kpi span{font-size:12px;color:#9FB5B0;}

/* ============ 步骤轴 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:st;}
.step{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);position:relative;transition:transform .25s ease,box-shadow .25s ease;}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step .no{font-size:13px;font-weight:800;color:var(--c-accent);letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.step h3{font-size:18px;margin:12px 0 8px;}
.step p{font-size:14px;color:var(--c-text-2);margin:0;}
.step::after{content:"";position:absolute;left:24px;right:24px;top:0;height:3px;background:var(--c-accent);border-radius:0 0 3px 3px;opacity:.85;}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:14px;align-items:flex-start;background:rgba(217,146,42,.10);border:1px solid rgba(217,146,42,.30);
  border-radius:var(--r-card);padding:20px 22px;font-size:15px;color:#6B4E14;
}
.notice i{color:var(--c-warn);font-size:18px;margin-top:4px;}
.notice b{color:#5A410F;}

/* ============ FAQ ============ */
.faq{max-width:920px;margin:0 auto;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;display:flex;align-items:center;gap:18px;
  padding:22px 4px;cursor:pointer;font-size:17px;font-weight:700;color:var(--c-primary);transition:color .2s ease;
}
.faq-q:hover{color:var(--c-accent);}
.faq-q .ico{
  margin-left:auto;flex:0 0 auto;width:34px;height:34px;border-radius:9px;border:1px solid var(--c-line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:15px;
  transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item.open .faq-q .ico{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s cubic-bezier(.22,.61,.36,1);}
.faq-a .inner{padding:0 4px 24px;font-size:15px;color:var(--c-text-2);line-height:1.85;max-width:820px;}

/* ============ 底部 CTA 条 ============ */
.cta-bar{background:var(--c-ink);border-top:1px solid rgba(255,255,255,.08);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 0;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.2vw,28px);margin-bottom:8px;}
.cta-inner p{color:#9FB5B0;font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-light{background:#F6F3EC;color:var(--c-primary);}
.btn-light:hover{background:#fff;color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-line-light{background:transparent;color:#E8E3D6;border-color:rgba(255,255,255,.28);}
.btn-line-light:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#C9D3D0;padding:64px 0 32px;border-top:1px solid rgba(255,255,255,.06);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:14px;}
.foot-brand .brand-mark{background:var(--c-accent);border-color:var(--c-accent);}
.foot-desc{font-size:14px;color:#8FA29E;line-height:1.8;max-width:340px;margin:0;}
.foot-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:#A9BBB7;}
.foot-links a:hover{color:var(--c-accent);}
.foot-contact li{font-size:14px;color:#A9BBB7;margin-bottom:12px;display:flex;flex-direction:column;gap:2px;}
.foot-contact span{color:#7E918D;font-size:13px;}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;}
.foot-bottom p{font-size:12px;color:#7E918D;margin:0;}
.foot-bottom .tips{max-width:720px;line-height:1.7;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  .reveal{transform:none;transition:opacity .3s ease;}
  .card:hover,.step:hover,.btn:hover{transform:none;}
  .card:hover .card-media img{transform:none;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .duo,.duo.rev{grid-template-columns:1fr 1fr;}
  .rank-wrap{grid-template-columns:1fr;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .main-nav.open{
    display:block;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);padding:12px 20px 20px;
  }
  .main-nav.open ul{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav.open a{padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:16px;}
  .main-nav.open a.active::after{display:none;}
  .nav-toggle{display:flex;}
  .head-actions .btn-outline{display:none;}
  .site-head{position:relative;}
  .duo,.duo.rev{grid-template-columns:1fr;}
  .card-media.big{min-height:240px;}
  .card-stack{grid-template-rows:none;gap:24px;}
  .steps{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
  .page-banner{min-height:0;}
}
@media (max-width:767px){
  .step{grid-column:span 2;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-inner{padding:36px 0;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:575px){
  .top-l .hide-sm{display:none;}
  .brand{font-size:17px;}
  .brand-mark{width:32px;height:32px;font-size:15px;}
  .card-body{padding:22px 20px 24px;}
  .rank-list{padding:6px 18px;}
  .rank-side{padding:24px 20px;}
  .section{padding:56px 0;}
  .banner-inner{padding:40px 0 34px;}
  .banner-sub{font-size:16px;}
  .faq-q{font-size:16px;padding:18px 2px;gap:12px;}
}