/* roulang page: index */
:root{
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --surface-soft:#EFEDE7;
  --ink:#111820;
  --muted:#5A6472;
  --line:#E4E0D8;
  --primary:#0E5E4A;
  --primary-dark:#084233;
  --primary-soft:#DFEBE5;
  --accent:#E4A11B;
  --accent-soft:#FCEFD8;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 6px 18px rgba(17,24,32,.06);
  --shadow-lg:0 16px 40px rgba(17,24,32,.09);
  --section-space:88px 0;
  --font-cn:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",sans-serif;
}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body,div,p,h1,h2,h3,h4,ul,ol,li,dl,dd,figure{margin:0;padding:0}
a{color:inherit;text-decoration:none;transition:all .25s ease-out}
a:hover{color:var(--primary)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
img{max-width:100%;height:auto;display:inline-block}
ul,ol{list-style:none}
button{font-family:inherit}
.container{width:min(1200px,92%);margin:0 auto}
.section{padding:88px 0;scroll-margin-top:84px}
.section-soft{background:var(--surface-soft)}
.section-white{background:var(--surface)}
.section-title{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.5px;
  margin:8px 0 0;
}
.section-title .accent-border{display:inline-block;border-bottom:4px solid var(--accent);padding-bottom:2px}
.section-intro{font-size:16px;color:var(--muted);max-width:720px;margin:14px 0 0;line-height:1.85}
.sec-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--primary);
  text-transform:uppercase;
}
.sec-kicker i{color:var(--accent);font-size:14px}
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:8px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out,border-color .22s ease-out,color .22s ease-out;
}
.btn i{font-size:14px;transition:transform .22s ease-out}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(8,66,51,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-primary i{color:var(--accent)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-line:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.10)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn-round{border-radius:100px}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(17,24,32,.05);
}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.brand-logo{display:inline-flex;align-items:center;gap:8px;font-size:22px;font-weight:800;letter-spacing:-.5px;color:var(--ink);flex-shrink:0}
.brand-logo .brand-icon{
  display:inline-flex;
  width:38px;height:38px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:800;
  letter-spacing:0;
  box-shadow:inset 0 2px 8px rgba(255,255,255,.12);
}
.desktop-nav{display:flex;align-items:center;gap:4px}
.menu-link{
  display:inline-block;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  padding:8px 13px;
  border-radius:8px;
  position:relative;
}
.menu-link:hover{color:var(--primary);background:rgba(14,94,74,.06)}
.menu-link.active{color:var(--primary);background:rgba(14,94,74,.08);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.header-search{
  display:flex;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:100px;
  height:40px;
  padding:0 14px;
  gap:8px;
  width:200px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,94,74,.10)}
.header-search i{color:var(--muted);font-size:13px}
.header-search input{border:0;outline:none;background:transparent;font-size:13px;color:var(--ink);width:100%}
.header-search input::placeholder{color:#A0A3AD}
.header-login{font-size:14px;font-weight:500;color:var(--muted);padding:6px 10px;border-radius:8px;display:inline-flex;align-items:center;gap:6px}
.header-login:hover{color:var(--primary);background:rgba(14,94,74,.06)}
.btn-header{height:40px;padding:0 18px;font-size:14px}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;font-size:17px}
.mobile-drawer{display:none}
@media (max-width:991px){
  .desktop-nav{display:none}
  .header-search{display:none}
  .header-login{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-drawer{
    display:block;
    max-height:0;
    overflow:hidden;
    transition:max-height .35s ease-out;
    background:#fff;
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer.is-open{max-height:440px;box-shadow:0 16px 28px rgba(17,24,32,.08)}
  .mobile-nav{display:flex;flex-direction:column;padding:12px 0}
  .mobile-nav .menu-link{padding:13px 6px;font-size:16px;border-bottom:1px solid #F1EEE7}
  .mobile-drawer-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin:14px 0 6px;background:var(--bg)}
  .mobile-drawer-search i{color:var(--muted);margin-right:10px}
  .mobile-drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
}
@media (max-width:520px){
  .btn-header span{display:none}
  .btn-header{width:40px;padding:0}
}

.hero{
  position:relative;
  padding:104px 0 88px;
  color:#fff;
  background:var(--ink);
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
  opacity:.42;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(104deg,rgba(8,35,30,.96) 15%,rgba(8,35,30,.68) 55%,rgba(14,94,74,.28) 100%);
}
.hero-inner{position:relative;z-index:2;gap:44px}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(228,161,27,.15);
  border:1px solid rgba(228,161,27,.45);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  border-radius:100px;
  padding:7px 15px;
  margin-bottom:20px;
  letter-spacing:.04em;
}
.hero-kicker .dot{width:7px;height:7px;border-radius:100px;background:var(--accent);box-shadow:0 0 0 4px rgba(228,161,27,.18)}
.hero-title{font-size:42px;line-height:1.28;font-weight:800;letter-spacing:-.8px;color:#fff;max-width:680px}
.hero-desc{font-size:16px;line-height:1.9;color:rgba(255,255,255,.84);max-width:620px;margin:20px 0 28px}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:26px}
.hero-cta .btn{min-width:160px;justify-content:center}
.hero-groupbox{
  max-width:420px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:16px;
  padding:18px 20px;
  backdrop-filter:blur(4px);
}
.group-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.group-head strong{font-size:15px;color:#fff;font-weight:700}
.group-head span{font-size:13px;color:var(--accent);font-weight:600}
.group-avatars{display:flex;align-items:center}
.group-avatars span{
  width:34px;height:34px;
  border-radius:100px;
  background:var(--primary-soft);
  border:2px solid #fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  font-weight:600;
  color:var(--primary-dark);
  margin-right:-8px;
}
.group-avatars span:nth-child(2){background:#F3C77B;color:#5A3A00}
.group-avatars span:nth-child(3){background:#C8DCCF;color:#0E5E4A}
.group-avatars span:nth-child(4){background:#E9D5F0;color:#6A3187}
.group-avatars .more{background:rgba(255,255,255,.20);color:#fff}
.progress-track{height:8px;background:rgba(255,255,255,.15);border-radius:20px;margin-top:10px;overflow:hidden}
.progress-bar{height:100%;width:72%;border-radius:20px;background:linear-gradient(90deg,var(--accent),#F3C96B)}
.group-note{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:9px;display:flex;justify-content:space-between}
.hero-media{position:relative}
.hero-card{
  background:rgba(255,255,255,.98);
  border-radius:24px;
  padding:12px;
  box-shadow:0 20px 50px rgba(0,0,0,.38);
  transform:rotate(.8deg);
  position:relative;
}
.hero-card img{border-radius:16px;width:100%;height:auto;display:block}
.hero-float{
  position:absolute;
  left:-24px;
  bottom:26px;
  background:#fff;
  border-radius:14px;
  box-shadow:var(--shadow-lg);
  padding:13px 17px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  color:var(--ink);
}
.hero-float span{width:34px;height:34px;background:var(--accent-soft);color:var(--accent);border-radius:10px;display:inline-flex;align-items:center;justify-content:center}
.hero-float small{display:block;color:var(--muted);font-weight:400;font-size:12px}
.hero-note-line{display:flex;align-items:center;justify-content:center;gap:6px;font-size:13px;color:var(--muted)}
@media (max-width:1024px){
  .hero{padding:74px 0 58px}
  .hero-title{font-size:34px}
  .hero-media{margin-top:30px}
  .hero-card{max-width:520px;margin:0 auto}
  .hero-float{left:4px}
}
@media (max-width:520px){
  .hero{padding:56px 0 46px}
  .hero-title{font-size:28px;line-height:1.35}
  .hero-desc{font-size:15px}
  .hero-cta .btn{flex:1 1 100%}
  .section{padding:56px 0}
}
.stat-strip{background:var(--surface);border-bottom:1px solid var(--line)}
.stat-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{padding:28px 16px;border-left:1px solid var(--line);text-align:center}
.stat-item:first-child{border-left:0}
.stat-item b{
  font-size:30px;
  font-weight:800;
  color:var(--primary-dark);
  letter-spacing:-.4px;
  display:block;
  margin-bottom:2px;
}
.stat-item b em{font-style:normal;color:var(--accent);font-size:22px}
.stat-item p{font-size:13px;color:var(--muted)}
@media (max-width:768px){
  .stat-list{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line)}
  .stat-item:nth-child(3){border-left:0}
}

.deals{background:var(--bg)}
.section-head{margin-bottom:34px}
.section-title-split{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:16px}
@media(max-width:768px){.section-title-split{display:block}}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
.plan-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 26px 26px;
  position:relative;
  transition:transform .26s ease-out,box-shadow .26s ease-out,border-color .26s ease-out;
  display:flex;
  flex-direction:column;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.plan-card.special{
  border-color:transparent;
  box-shadow:0 12px 28px rgba(8,66,51,.14);
  background:linear-gradient(180deg,#FFFFFF,var(--primary-soft));
}
.plan-ribbon{
  position:absolute;
  top:-14px;
  left:24px;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  border-radius:100px;
  padding:5px 14px;
  box-shadow:0 6px 14px rgba(228,161,27,.35);
}
.plan-name{font-size:19px;font-weight:700;letter-spacing:-.2px}
.plan-tag{font-size:13px;color:var(--muted);margin-top:4px}
.plan-price{display:flex;align-items:flex-end;gap:6px;border-bottom:1px solid var(--line);padding:20px 0;margin:16px 0}
.plan-price b{font-size:34px;font-weight:800;color:var(--primary-dark);line-height:1;letter-spacing:-1px}
.plan-price del{color:#B9B2A6;font-size:16px;font-weight:400}
.plan-price small{color:var(--muted);font-size:12px;padding-bottom:4px}
.plan-list{display:grid;gap:11px;margin-bottom:22px;flex:1}
.plan-list li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:#3C4653}
.plan-list li i{color:var(--primary);margin-top:5px;font-size:12px;flex-shrink:0}
.plan-list li.off{color:#B6B2AA}
.plan-list li.off i{color:#C9C4BA}
.plan-card .btn{width:100%}
@media(max-width:1024px){
  .plan-grid{grid-template-columns:1fr;max-width:460px;margin-left:auto;margin-right:auto}
}

.rules{background:var(--surface);border-bottom:1px solid var(--line)}
.rules-wrap{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:60px;
  margin-top:38px;
}
.steps-box{border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;background:var(--bg)}
.step-list{display:grid;gap:24px;counter-reset:step}
.step-item{position:relative;padding-left:58px;counter-increment:step}
.step-item::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;top:4px;
  width:38px;height:38px;
  background:var(--primary);
  border-radius:10px;
  color:#fff;
  font-weight:800;
  font-size:14px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.step-item:nth-child(even)::before{background:var(--accent);color:#3D2C08}
.step-item h3{font-size:16px;font-weight:700}
.step-item p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.8}
.rule-panel h3{font-size:16px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.rule-panel h3 i{color:var(--accent)}
.rule-list{border-top:1px solid var(--line)}
.rule-list li{
  border-bottom:1px solid var(--line);
  padding:14px 2px;
  display:flex;
  gap:10px;
  font-size:14.5px;
}
.rule-list li i{color:var(--primary);margin-top:5px;font-size:12px}
.rule-list li span{color:var(--muted)}
@media(max-width:900px){.rules-wrap{grid-template-columns:1fr;gap:32px}}

.features{background:var(--bg);overflow:hidden}
.feature-block{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:42px 0;border-bottom:1px solid var(--line)}
.feature-block:last-child{border-bottom:0}
.feature-media{overflow:hidden;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);position:relative}
.feature-media img{width:100%;height:auto;display:block;transition:transform .6s ease-out}
.feature-media::after{content:"";position:absolute;inset:auto 0 0 0;height:40%;background:linear-gradient(transparent,rgba(17,24,32,.26))}
.feature-block:hover .feature-media img{transform:scale(1.02)}
.feature-media .frame-number{
  position:absolute;
  top:16px;left:16px;
  z-index:2;
  background:rgba(17,24,32,.36);
  color:#fff;
  backdrop-filter:blur(4px);
  font-size:11px;
  letter-spacing:.1em;
  padding:5px 12px;
  border-radius:100px;
  border:1px solid rgba(255,255,255,.2);
}
.feature-no{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.12em;display:block;margin-bottom:8px}
.feature-copy h3{font-size:25px;font-weight:700;letter-spacing:-.4px;line-height:1.4;margin-bottom:14px}
.feature-copy p{color:var(--muted);font-size:15.5px;line-height:1.9;margin-bottom:18px}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px}
.feature-tags span{
  font-size:13px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:100px;
  padding:5px 13px;
  color:var(--ink);
}
.feature-tags span{i:before}{}
.feature-small-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.feature-small-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px;
  transition:transform .25s ease-out,box-shadow .25s ease-out;
}
.feature-small-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.feature-small-card i{font-size:20px;color:var(--primary);background:var(--primary-soft);width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px}
.feature-small-card h4{font-size:16px;font-weight:700;margin-bottom:6px}
.feature-small-card p{font-size:14px;color:var(--muted);line-height:1.8}
@media(max-width:960px){
  .feature-block{grid-template-columns:1fr;gap:26px;padding:30px 0}
  .feature-media img{height:auto}
  .feature-small-grid{grid-template-columns:1fr}
}

.scene-section{background:var(--primary-dark);color:#fff;padding:88px 0;position:relative;overflow:hidden}
.scene-section::before{
  content:"";position:absolute;right:-140px;top:-140px;width:360px;height:360px;border-radius:100%;background:rgba(255,255,255,.06);
}
.scene-section .sec-kicker{color:#CBB768}
.scene-section .section-intro{color:rgba(255,255,255,.74)}
.scene-section .section-title{color:#fff}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px;position:relative}
.scene-item{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  position:relative;
  transition:background .25s ease-out,transform .25s ease-out;
}
.scene-item:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.scene-item::after{
  content:"";
  position:absolute;
  left:24px;bottom:-1px;width:44px;height:3px;background:var(--accent);
  border-radius:2px 2px 0 0;
}
.scene-item .scene-icon{
  width:46px;height:46px;border-radius:14px;
  background:rgba(228,161,27,.17);
  color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:16px;
}
.scene-item h3{font-size:17px;font-weight:700}
.scene-item p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.75);margin:10px 0 18px}
.scene-item .scene-link{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#D7E8DE;font-weight:600}
.scene-item .scene-link:hover{color:var(--accent)}
.scene-item .scene-link i{font-size:12px}
.scene-people{display:flex;flex-wrap:wrap;gap:6px}
.scene-people span{
  font-size:12px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:100px;
  padding:3px 10px;
  color:#BAD6C8;
}
@media(max-width:900px){.scene-grid{grid-template-columns:1fr;gap:16px}}

.news{background:var(--bg);padding:88px 0}
.news-layout{display:grid;grid-template-columns:1fr 380px;gap:44px;margin-top:30px}
.news-links{border-top:1px solid var(--line)}
.news-item{display:flex;gap:16px;align-items:flex-start;padding:20px 4px;border-bottom:1px solid var(--line);transition:background .2s ease}
.news-item:hover{background:rgba(255,255,255,.65)}
.news-badge{flex-shrink:0;background:var(--primary);color:#fff;border-radius:8px;font-size:12px;font-weight:700;padding:3px 10px;margin-top:4px;letter-spacing:.03em}
.news-item:nth-child(2) .news-badge{background:var(--accent);color:#4D3400}
.news-item:nth-child(4) .news-badge{background:var(--surface-soft);color:var(--ink)}
.news-content h3{font-size:16px;font-weight:700;line-height:1.5;letter-spacing:-.2px}
.news-content h3 a:hover{color:var(--primary)}
.news-content p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.75;max-width:680px}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:#A0A5AD;margin-top:8px}
.news-meta a{display:inline-flex;align-items:center;gap:5px;color:var(--primary);font-weight:600}
.hot-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 22px}
.hot-panel .panel-title{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:700;border-bottom:1px solid var(--line);padding-bottom:13px;margin-bottom:8px}
.hot-panel .panel-title span{background:var(--accent);color:#fff;font-size:12px;border-radius:6px;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center}
.hot-list li{display:flex;gap:14px;padding:15px 2px;border-bottom:1px solid #F3F0EA;align-items:flex-start}
.hot-list li:last-child{border-bottom:0}
.hot-list b{font-size:22px;font-weight:800;color:#D6D1C6;line-height:1;font-style:normal;letter-spacing:-1px}
.hot-list li:hover b{color:var(--accent)}
.hot-list h4{font-size:14.5px;font-weight:600;line-height:1.55}
.hot-list h4 a:hover{color:var(--primary)}
.hot-list p{font-size:12.5px;color:var(--muted);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:960px){.news-layout{grid-template-columns:1fr}}

.cases{background:var(--surface);padding:88px 0}
.case-lead{
  display:grid;grid-template-columns:500px 1fr;gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-top:30px;
}
.case-lead-media{background:#10281F;min-height:300px;position:relative;overflow:hidden}
.case-lead-media img{width:100%;height:100%;object-fit:cover;opacity:.95}
.case-lead-body{background:var(--bg);padding:36px;display:flex;flex-direction:column;justify-content:center}
.case-lead-body .big-num{font-size:52px;font-weight:800;color:var(--primary);letter-spacing:-2px;line-height:1}
.case-lead-body .big-num em{color:var(--accent);font-style:normal}
.case-lead-body h3{font-size:19px;font-weight:700;margin:14px 0 8px}
.case-lead-body p{color:var(--muted);font-size:15px;line-height:1.85;max-width:520px}
.case-lead-footer{display:flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;color:var(--primary);font-weight:600}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.case-card{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  background:var(--surface);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.case-card .case-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.case-card .case-top strong{color:var(--primary);font-size:24px;letter-spacing:-1px;font-weight:800}
.case-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.case-card p{font-size:14px;color:var(--muted);line-height:1.8}
.case-card .case-state{font-size:12px;background:var(--accent-soft);border-radius:100px;padding:4px 10px;color:#755013;font-weight:600}
@media(max-width:960px){
  .case-lead{grid-template-columns:1fr}
  .case-lead-media{min-height:200px}
  .case-grid{grid-template-columns:1fr}
}

.faq{padding:88px 0;background:var(--bg)}
.faq-wrap{max-width:760px;margin:28px auto 0}
.faq-set{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:21px 26px;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--primary-soft)}
.faq-item summary i{color:var(--muted);font-size:14px;transition:transform .28s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item[open]{background:#FCFBF8}
.faq-answer{padding:0 26px 22px;max-width:720px;font-size:15px;line-height:1.9;color:var(--muted)}

.cta-block{padding:0;background:var(--bg)}
.cta-banner{
  position:relative;
  background:url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  border-radius:28px;
  overflow:hidden;
  padding:56px 60px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,28,23,.92) 20%,rgba(8,28,23,.56) 100%);
}
.cta-inner{position:relative;z-index:2;max-width:650px}
.cta-inner .cta-label{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--accent);margin-bottom:10px}
.cta-inner h2{font-size:28px;line-height:1.42;font-weight:800;color:#fff}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.8);max-width:560px}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:900px){
  .cta-banner{flex-direction:column;align-items:flex-start;padding:34px 28px;border-radius:20px}
  .cta-inner h2{font-size:23px}
}

.site-footer{
  background:#0A2922;
  color:rgba(255,255,255,.8);
  margin-top:88px;
  padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand-logo{color:#fff;margin-bottom:6px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.64);max-width:320px;line-height:1.85}
.footer-brand .brand-icon{box-shadow:inset 0 2px 8px rgba(255,255,255,.22)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{padding:24px 0;font-size:13px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;color:rgba(255,255,255,.48)}
.footer-bottom a{color:rgba(255,255,255,.68)}
@media(max-width:960px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block;line-height:2}
}

/* roulang page: category1 */
:root{
 --bg:#F7F5F0;
 --surface:#FFFFFF;
 --surface-soft:#EFEDE7;
 --ink:#111820;
 --muted:#5A6472;
 --line:#E4E0D8;
 --primary:#0E5E4A;
 --primary-dark:#084233;
 --primary-soft:#DFEBE5;
 --accent:#E4A11B;
 --accent-soft:#FCEFD8;
 --radius-md:12px;
 --radius-lg:20px;
 --shadow-sm:0 6px 18px rgba(17,24,32,.06);
 --shadow-lg:0 16px 40px rgba(17,24,32,.09);
 --section-space:88px 0;
 --font-cn:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",sans-serif;
}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:var(--bg);
 color:var(--ink);
 font-family:var(--font-cn);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
body,div,p,h1,h2,h3,h4,ul,ol,li,dl,dd,figure{margin:0;padding:0;box-sizing:border-box}
a{color:inherit;text-decoration:none;transition:all .25s ease-out}
a:hover{color:var(--primary)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
img{max-width:100%;height:auto;display:inline-block}
button{font-family:inherit;cursor:pointer}
.container{width:min(1200px,92%);margin:0 auto}
.grid-container{max-width:1200px}
.section{padding:var(--section-space);scroll-margin-top:84px}
.top-spacer{padding-top:46px}
.section-title{
 font-size:30px;
 line-height:1.35;
 font-weight:700;
 letter-spacing:-.4px;
 margin:0 0 10px;
}
.section-intro{font-size:16px;color:var(--muted);max-width:720px;margin:0 0 34px;line-height:1.85}
.text-center{text-align:center}
.grid-x.align-center{justify-content:center}
.btn{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 height:48px;
 padding:0 24px;
 border-radius:8px;
 border:1px solid transparent;
 font-size:15px;
 font-weight:600;
 line-height:1;
 cursor:pointer;
 white-space:nowrap;
 transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out,border-color .22s ease-out,color .22s ease-out;
}
.btn i{font-size:14px;transition:transform .22s ease-out}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(8,66,51,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-primary i{color:var(--accent)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--primary-dark);border-color:#fff}
.btn-light:hover{background:var(--accent-soft);color:var(--primary-dark);transform:translateY(-2px)}
.btn-light i{color:var(--accent)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn-round{border-radius:100px}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* 复用首页色板：按钮 hover 提亮、卡片圆角统一 */
.pill-btn{
 display:inline-flex;
 align-items:center;
 gap:7px;
 border:1px solid var(--line);
 background:var(--surface);
 color:var(--muted);
 border-radius:100px;
 padding:7px 16px;
 font-size:14px;
 font-weight:500;
 line-height:1.4;
 transition:all .22s ease-out;
}
.pill-btn i{font-size:13px;color:var(--primary)}
.pill-btn:hover{color:var(--primary);border-color:var(--primary);background:rgba(14,94,74,.06);transform:translateY(-1px)}
.pill-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
.pill-btn.active i{color:var(--accent)}
.btn:active{transform:translateY(0)}

/* Header */
.site-header{
 position:sticky;
 top:0;
 z-index:60;
 background:rgba(247,245,240,.94);
 backdrop-filter:blur(12px);
 border-bottom:1px solid transparent;
 transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
 background:rgba(255,255,255,.96);
 border-bottom-color:var(--line);
 box-shadow:0 6px 22px rgba(17,24,32,.05);
}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.brand-logo{display:inline-flex;align-items:center;gap:8px;font-size:22px;font-weight:800;letter-spacing:-.5px;color:var(--ink);flex-shrink:0}
.brand-logo .brand-icon{
 display:inline-flex;
 width:38px;height:38px;
 border-radius:10px;
 background:var(--primary);
 color:#fff;
 align-items:center;
 justify-content:center;
 font-size:13px;
 font-weight:800;
 letter-spacing:0;
 box-shadow:inset 0 2px 8px rgba(255,255,255,.12);
}
.desktop-nav{display:flex;align-items:center;gap:4px}
.menu-link{
 display:inline-block;
 font-size:15px;
 font-weight:500;
 color:var(--muted);
 padding:8px 13px;
 border-radius:8px;
 position:relative;
}
.menu-link:hover{color:var(--primary);background:rgba(14,94,74,.06)}
.menu-link.active{color:var(--primary);background:rgba(14,94,74,.08);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.header-search{
 display:flex;
 align-items:center;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:100px;
 height:40px;
 padding:0 14px;
 gap:8px;
 width:200px;
 transition:border-color .25s ease,box-shadow .25s ease;
}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,94,74,.10)}
.header-search i{color:var(--muted);font-size:13px}
.header-search input{border:0;outline:none;background:transparent;font-size:13px;color:var(--ink);width:100%}
.header-search input::placeholder{color:#A0A3AD}
.header-login{font-size:14px;font-weight:500;color:var(--muted);padding:6px 10px;border-radius:8px;display:inline-flex;align-items:center;gap:6px}
.header-login:hover{color:var(--primary);background:rgba(14,94,74,.06)}
.btn-header{height:40px;padding:0 18px;font-size:14px}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;font-size:17px}
.mobile-drawer{
 display:block;
 max-height:0;
 overflow:hidden;
 transition:max-height .35s ease-out;
 background:#fff;
 border-bottom:1px solid var(--line);
}
.mobile-drawer.is-open{max-height:440px;box-shadow:0 16px 28px rgba(17,24,32,.08)}
.mobile-nav{display:flex;flex-direction:column;padding:12px 0}
.mobile-nav .menu-link{padding:13px 6px;font-size:16px;border-bottom:1px solid #F1EEE7;border-radius:0}
.mobile-drawer-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin:14px 0 6px;background:var(--bg)}
.mobile-drawer-search i{color:var(--muted);margin-right:10px}
.mobile-drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.header-search,.header-login,.btn-header span{display:none}

/* ============ 分类页 Hero ============ */
.cat-hero{
 padding:64px 0 56px;
 background:var(--bg);
 border-bottom:1px solid var(--line);
 scroll-margin-top:0;
 position:relative;
 overflow:hidden;
}
.cat-hero::before{
 content:"";
 position:absolute;
 right:-120px;
 top:-180px;
 width:460px;
 height:460px;
 background:radial-gradient(circle,rgba(14,94,74,.12),transparent 66%);
 pointer-events:none;
}
.crumb{
 display:flex;
 flex-wrap:wrap;
 align-items:center;
 gap:8px;
 font-size:14px;
 color:var(--muted);
 margin-bottom:18px;
}
.crumb i{color:var(--accent);font-size:11px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .current{color:var(--primary);font-weight:600}
.cat-hero__inner{display:grid;grid-template-columns:1.16fr .84fr;gap:44px;align-items:center}
.cat-tagline{
 display:inline-flex;
 align-items:center;
 gap:8px;
 border:1px solid rgba(14,94,74,.22);
 background:var(--primary-soft);
 color:var(--primary);
 font-size:14px;
 font-weight:600;
 border-radius:100px;
 padding:6px 15px;
 margin-bottom:16px;
}
.cat-tagline i{color:var(--accent);font-size:12px}
.cat-hero h1{
 font-size:40px;
 line-height:1.25;
 letter-spacing:-1px;
 margin-bottom:16px;
 font-weight:800;
}
.cat-hero h1 .text-mark{
 display:inline-block;
 background:linear-gradient(transparent 62%,rgba(228,161,27,.30) 0);
 padding:0 2px;
}
.cat-hero__desc{
 color:var(--muted);
 font-size:16px;
 line-height:1.85;
 max-width:580px;
 margin-bottom:18px;
}
.cat-hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.cat-hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}
.hero-trust{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.hero-trust i{color:var(--accent)}
.hero-card{
 position:relative;
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow-lg);
 aspect-ratio:4/3;
 background:var(--surface);
 isolation:isolate;
}
.hero-card img{width:100%;height:100%;object-fit:cover;display:block}
.hero-card::after{
 content:"";
 position:absolute;
 inset:0;
 background:linear-gradient(160deg,rgba(8,35,30,0) 42%,rgba(8,35,30,.82) 100%);
 z-index:1;
}
.hero-card__play{
 position:absolute;
 left:20px;
 bottom:18px;
 z-index:2;
 display:inline-flex;
 align-items:center;
 gap:10px;
 color:#fff;
 background:rgba(255,255,255,.14);
 border:1px solid rgba(255,255,255,.34);
 backdrop-filter:blur(6px);
 border-radius:14px;
 padding:12px 18px;
 font-size:14px;
 font-weight:600;
 transition:all .25s ease-out;
}
.hero-card__play i{
 display:inline-flex;
 width:34px;
 height:34px;
 align-items:center;
 justify-content:center;
 background:var(--accent);
 color:#111820;
 border-radius:50%;
 font-size:13px;
 padding-left:3px;
}
.hero-card__play:hover{
 background:var(--primary);
 color:#fff;
 border-color:var(--primary);
 transform:translateY(-2px);
}
.hero-card__float{
 position:absolute;
 top:16px;
 right:16px;
 z-index:2;
 background:rgba(255,255,255,.92);
 backdrop-filter:blur(4px);
 border-radius:12px;
 padding:10px 14px;
 box-shadow:var(--shadow-sm);
 font-size:13px;
 color:var(--ink);
 display:flex;
 align-items:center;
 gap:8px;
}
.hero-card__float i{color:var(--primary)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);letter-spacing:.2px;margin-bottom:10px}
.eyebrow i{color:var(--accent)}

/* 快捷筛选 */
.filter-band{
 background:var(--surface);
 border-bottom:1px solid var(--line);
 padding:18px 0;
 position:sticky;
 top:72px;
 z-index:40;
}
.filter-band .container{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.filter-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink)}
.filter-label i{color:var(--accent)}
.filter-group{display:flex;flex-wrap:wrap;gap:8px;padding-top:2px}

/* 精选导读：横向大卡 */
.entry-block{padding:90px 0 18px}
.block-heading{margin-bottom:32px}
.block-heading h2{font-size:30px;line-height:1.35;letter-spacing:-.6px;margin-bottom:12px;font-weight:800}
.block-heading h2 .num{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 width:34px;height:34px;
 background:var(--accent);
 border-radius:50%;
 color:#fff;
 font-size:16px;
 font-weight:800;
 margin-right:4px;
 vertical-align:middle;
}
.block-heading p{color:var(--muted);font-size:15px;line-height:1.8;max-width:660px}
.feature-hero-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow-sm);
 display:grid;
 grid-template-columns:.94fr 1.06fr;
 transition:box-shadow .25s ease-out,transform .25s ease-out;
}
.feature-hero-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.feature-hero-media{position:relative;min-height:320px;overflow:hidden}
.feature-hero-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.feature-hero-media .stamp{
 position:absolute;
 left:16px;top:16px;
 background:rgba(8,35,30,.82);
 color:#fff;
 border-radius:100px;
 padding:6px 14px;
 font-size:13px;
 backdrop-filter:blur(4px);
 letter-spacing:.2px;
}
.feature-hero-body{padding:34px 34px 30px;display:flex;flex-direction:column;justify-content:center}
.feature-hero-body .tagline-row{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.step-chip{
 border:1px solid var(--line);
 background:var(--bg);
 color:var(--primary);
 border-radius:8px;
 font-size:13px;
 font-weight:600;
 padding:3px 10px;
}
.feature-hero-body h3{font-size:24px;line-height:1.4;font-weight:800;letter-spacing:-.4px;margin-bottom:12px}
.feature-hero-body p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:14px}
.feature-list{display:flex;flex-direction:column;gap:9px;margin:10px 0 20px;padding:0;list-style:none}
.feature-list li{position:relative;padding-left:28px;font-size:15px;line-height:1.7;color:var(--ink)}
.feature-list li::before{
 content:"\f00c";
 font-family:"Font Awesome 6 Free";
 font-weight:900;
 font-size:12px;
 color:var(--primary);
 position:absolute;
 left:0;top:5px;
 width:18px;height:18px;
 display:inline-flex;
 align-items:center;
 justify-content:center;
 background:var(--primary-soft);
 border-radius:50%;
}
.read-with-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:15px;font-weight:600}
.read-with-arrow i{transition:transform .2s ease-out}
.read-with-arrow:hover{color:var(--primary-dark)}
.read-with-arrow:hover i{transform:translateX(4px)}

/* 阅读序列表格 */
.guide-sections{padding:74px 0 32px}
.guide-sections .cell{padding:0 12px 30px}
.guide-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-md);
 padding:26px 24px 22px;
 height:100%;
 position:relative;
 display:flex;
 flex-direction:column;
 box-shadow:0 2px 10px rgba(17,24,32,.02);
 transition:transform .25s ease-out,box-shadow .25s ease-out,border-color .25s ease-out;
}
.guide-card:hover{
 box-shadow:var(--shadow-lg);
 transform:translateY(-3px);
 border-color:transparent;
}
.guide-cat{
 display:inline-flex;
 align-items:center;
 gap:6px;
 background:var(--surface-soft);
 color:var(--muted);
 font-size:13px;
 font-weight:600;
 padding:5px 13px;
 border-radius:100px;
 align-self:flex-start;
 margin-bottom:16px;
 transition:all .25s ease-out;
}
.guide-cat i{color:var(--accent);font-size:11px}
.guide-card:hover .guide-cat{background:var(--primary-soft);color:var(--primary)}
.guide-card h4{
 font-size:18px;
 line-height:1.55;
 font-weight:700;
 letter-spacing:-.2px;
 margin-bottom:10px;
}
.guide-card h4 a{position:static}
.guide-card h4 a::after{content:"";position:absolute;inset:0}
.guide-card p{
 color:var(--muted);
 font-size:14.5px;
 line-height:1.8;
 flex:1;
 margin-bottom:20px;
}
.guide-meta{
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:8px;
 margin-top:auto;
 border-top:1px solid var(--line);
 padding-top:16px;
 color:var(--muted);
 font-size:13px;
}
.guide-meta .read-mark{color:var(--primary);font-size:13.5px}

/* 分类内专题区 */
.topic-split{
 background:var(--primary);
 color:#fff;
 padding:86px 0;
 position:relative;
 overflow:hidden;
}
.topic-split::before{
 content:"专题";
 position:absolute;
 right:-18px;
 bottom:-40px;
 font-size:120px;
 font-weight:800;
 color:rgba(255,255,255,.04);
 letter-spacing:-5px;
 pointer-events:none;
}
.topic-split .container{position:relative;z-index:2}
.topic-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center}
.topic-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 22px 52px rgba(0,0,0,.25);aspect-ratio:4/3}
.topic-media img{width:100%;height:100%;object-fit:cover}
.topic-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(8,35,30,0) 20%,rgba(8,35,30,.68) 100%)}
.topic-badge{
 position:absolute;left:18px;top:18px;z-index:2;
 background:var(--accent);
 color:#111820;
 font-size:13px;
 font-weight:800;
 border-radius:100px;
 padding:6px 14px;
 letter-spacing:.2px;
}
.topic-caption{
 position:absolute;
 left:22px;right:22px;bottom:20px;z-index:2;
 font-size:15px;
 font-weight:600;
 line-height:1.65;
 color:#fff;
}
.topic-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:14px;font-weight:700;margin-bottom:12px;letter-spacing:.2px}
.topic-kicker i{font-size:12px}
.topic-split h2{font-size:30px;line-height:1.4;font-weight:800;letter-spacing:-.6px;margin-bottom:12px;color:#fff}
.topic-split .topic-desc{color:rgba(255,255,255,.76);font-size:15px;line-height:1.9;margin-bottom:28px}
.topic-step-list{display:flex;flex-direction:column;gap:0;border-top:1px solid rgba(255,255,255,.16)}
.topic-step{
 display:flex;
 gap:16px;
 padding:17px 0;
 border-bottom:1px solid rgba(255,255,255,.13);
 transition:background .2s ease;
}
.topic-step .step-num{
 flex:0 0 34px;
 text-align:center;
 font-size:15px;
 font-weight:800;
 color:var(--accent);
 width:34px;height:34px;
 background:rgba(255,255,255,.08);
 border-radius:8px;
 line-height:34px;
 letter-spacing:-.5px;
}
.topic-step:hover{background:rgba(255,255,255,.04)}
.topic-step strong{display:block;font-size:16px;color:#fff;font-weight:700;margin-bottom:3px;line-height:1.5}
.topic-step span{display:block;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.topic-split .btn{margin-top:28px}

/* 全宽 CTA */
.full-cta{
 position:relative;
 padding:100px 0;
 color:#fff;
 overflow:hidden;
 background:#0b1f1a url('/assets/images/backpic/back-6.jpg') center/cover no-repeat;
}
.full-cta::before{
 content:"";
 position:absolute;
 inset:0;
 background:rgba(8,35,30,.78);
}
.full-cta .container{position:relative;z-index:2;text-align:center;max-width:720px}
.full-cta h2{font-size:34px;font-weight:800;line-height:1.4;letter-spacing:-.8px;margin-bottom:14px}
.full-cta p{color:rgba(255,255,255,.78);font-size:16px;line-height:1.9;margin-bottom:30px}
.cta-btn-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-hint{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;color:rgba(255,255,255,.64);margin-top:22px}
.cta-hint i{color:var(--accent)}

/* 页脚 */
.site-footer{background:#0C2420;color:rgba(255,255,255,.74);padding:62px 0 0;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;left:-90px;top:-90px;width:300px;height:300px;background:radial-gradient(circle,rgba(228,161,27,.12),transparent 68%);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:42px;padding-bottom:42px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:320px;margin-top:16px;color:rgba(255,255,255,.62)}
.footer-brand .brand-logo{color:#fff;margin-bottom:4px}
.footer-brand .brand-logo:hover{color:#fff}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;line-height:1.5}
.footer-col a{
 display:block;
 color:rgba(255,255,255,.6);
 font-size:14px;
 padding:6px 0;
 transition:all .2s ease;
}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.12)}
.footer-keywords a{
 border:1px solid rgba(255,255,255,.18);
 border-radius:100px;
 color:rgba(255,255,255,.62);
 font-size:13px;
 padding:5px 13px;
 display:inline-flex;
 align-items:center;
 gap:6px;
 transition:all .22s ease;
}
.footer-keywords a i{font-size:10px;color:hsl(39,80%,68%);opacity:.7}
.footer-keywords a:hover{color:#fff;border-color:rgba(255,255,255,.45);transform:translateY(-2px);background:rgba(255,255,255,.05)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;font-size:13px;color:rgba(255,255,255,.4)}

/* 响应式断点 */
@media (min-width:1024px) and (max-width:1200px){
 .cat-hero h1{font-size:36px}
 .guide-card h4{font-size:17px}
}
@media (min-width:1024px){
 .desktop-nav{display:flex}
 .header-search{display:flex}
 .header-login{display:inline-flex}
 .btn-header{width:auto}
 .btn-header span{display:inline}
 .menu-toggle{display:none}
 .mobile-drawer{display:none}
}
@media (max-width:1023px) and (min-width:641px){
 .cat-hero__inner{grid-template-columns:1fr;gap:32px}
 .feature-hero-card{grid-template-columns:1fr}
 .feature-hero-media{min-height:300px}
 .topic-grid{grid-template-columns:1fr;gap:36px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
 .filter-band{position:static}
 .filter-group{width:100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
 .filter-label{display:none}
}
@media (max-width:640px){
 .section{padding:62px 0}
 .cat-hero{padding:42px 0 38px}
 .cat-hero h1{font-size:28px;line-height:1.3}
 .cat-hero__inner{grid-template-columns:1fr;gap:28px}
 .cat-hero__desc{font-size:15px}
 .hero-card__play{bottom:12px;left:12px;padding:10px 14px;font-size:13px}
  .hero-card__play i{width:30px;height:30px}
 .crumb{font-size:13px;flex-wrap:wrap}
 .block-heading h2,.section-title{font-size:26px;line-height:1.4}
 .feature-hero-card{grid-template-columns:1fr}
 .feature-hero-media{min-height:230px}
 .feature-hero-body{padding:26px 22px 24px}
 .feature-hero-body h3{font-size:20px}
 .feature-list li{font-size:14px}
 .guide-sections .cell{padding:0 10px 22px}
 .guise-card{padding:22px 18px}
 .topic-split{padding:64px 0}
 .topic-split .topic-grid{grid-template-columns:1fr}
 .topic-split h2{font-size:27px}
 .topic-grid{gap:30px}
 .access-full-cta .btn{width:calc(100% - 40px);max-width:300px;margin:0 auto}
 .btn-lg{height:48px;padding:0 22px;font-size:15px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .container.header-row{height:66px}
 .site-header .brand-logo{font-size:20px}
}