/* roulang page: index */
:root{
  --brand-900:#06251C;
  --brand-700:#0C4534;
  --brand-500:#147A55;
  --brand-050:#E8F4EE;
  --accent-lime:#C6F24E;
  --accent-orange:#FF6B2C;
  --ink-900:#101613;
  --ink-600:#4A5650;
  --ink-300:#9AA6A0;
  --surface:#FFFFFF;
  --surface-alt:#F4F7F2;
  --line:#E2E8E1;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(6,37,28,.06);
  --sh-2:0 10px 28px -14px rgba(6,37,28,.22);
  --sh-3:0 12px 32px -16px rgba(0,0,0,.45);
  --font:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.78;color:var(--ink-600);
  background:var(--surface);overflow-x:hidden;
}
body.nav-lock{overflow:hidden;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1em;text-align:left;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s,opacity .2s;}
a:hover{color:var(--brand-700);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:16px;padding-right:16px;}
@media (min-width:992px){.container{padding-left:24px;padding-right:24px;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex-shrink:0;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--brand-500) 0%,var(--brand-900) 100%);
}
.brand-mark::before,
.brand-mark::after{content:'';position:absolute;background:rgba(198,242,78,.92);}
.brand-mark::before{width:2px;height:78%;left:14px;top:11%;transform:rotate(14deg);}
.brand-mark::after{width:14px;height:2px;left:9px;top:50%;}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;}
.brand-text:hover{color:var(--brand-500);}
.nav-menu{display:flex;align-items:center;gap:24px;margin-left:8px;}
.nav-link-custom{
  position:relative;display:inline-flex;align-items:center;height:40px;font-size:15px;
  font-weight:600;color:var(--ink-600);white-space:nowrap;
}
.nav-link-custom::after{
  content:'';position:absolute;left:0;bottom:4px;height:2px;width:0;
  background:var(--brand-500);transition:width .25s ease;
}
.nav-link-custom:hover{color:var(--ink-900);}
.nav-link-custom:hover::after{width:100%;}
.nav-link-custom.active{color:var(--brand-500);}
.nav-link-custom.active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{position:relative;width:220px;transition:width .25s ease;}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-300);font-size:13px;}
.nav-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid transparent;background:var(--surface-alt);
  padding:0 16px 0 36px;font-size:14px;color:var(--ink-900);outline:none;transition:border-color .2s,background .2s;
}
.nav-search input::placeholder{color:var(--ink-300);}
.nav-search input:focus{border-color:var(--brand-500);background:#fff;}
.nav-search:focus-within{width:280px;}
.link-login{font-size:15px;font-weight:600;color:var(--ink-600);}
.link-login:hover{color:var(--brand-500);}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-lime);color:var(--brand-900);font-weight:800;font-size:15px;
  border:none;border-radius:999px;padding:11px 22px;line-height:1.2;
  transition:transform .2s,box-shadow .25s,background .2s;
}
.btn-lime:hover{color:var(--brand-900);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(6,37,28,.45);}
.btn-lime:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-500);}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:88vw;background:#fff;z-index:1100;
  transform:translateX(102%);transition:transform .3s ease;box-shadow:-18px 0 40px -22px rgba(6,37,28,.45);
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-900);}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-500);}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  padding:12px 10px;border-radius:10px;color:var(--ink-600);font-weight:600;font-size:15px;
  border-bottom:1px solid var(--line);
}
.drawer-links a:hover{background:var(--brand-050);color:var(--brand-500);}
.drawer-links a.active{color:var(--brand-500);background:var(--brand-050);}
.drawer-foot{display:flex;flex-direction:column;gap:12px;margin-top:auto;}

@media (max-width:1199px){
  .nav-menu{gap:18px;}
  .nav-search{width:170px;}
}
@media (max-width:991px){
  .nav-menu,.nav-actions .nav-search,.nav-actions .link-login,.nav-actions .btn-lime{display:none;}
  .nav-inner{height:56px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
}

/* ============ Hero ============ */
.hero{
  position:relative;background:var(--brand-900);color:#fff;padding:56px 0 64px;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 118px);
  opacity:.55;
}
.hero::after{
  content:'';position:absolute;width:520px;height:520px;right:-160px;top:-180px;border-radius:50%;
  border:1px solid rgba(198,242,78,.16);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:992px){
  .hero{padding:72px 0 84px;}
  .hero-inner{grid-template-columns:7fr 5fr;gap:48px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent-lime);
  background:rgba(198,242,78,.12);border:1px solid rgba(198,242,78,.35);
  border-radius:999px;padding:6px 14px;margin-bottom:20px;letter-spacing:.02em;
}
.hero-title{
  color:#fff;font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-sub{
  color:rgba(255,255,255,.72);font-size:16px;line-height:1.8;max-width:560px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-500);color:#fff;font-weight:700;font-size:15px;
  border:none;border-radius:var(--r-btn);padding:12px 22px;line-height:1.2;
  transition:background .2s,transform .2s,box-shadow .25s;
}
.btn-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-weight:700;font-size:15px;
  border:1.5px solid rgba(255,255,255,.7);border-radius:var(--r-btn);padding:12px 22px;line-height:1.2;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;transform:translateY(-1px);}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;list-style:none;}
.hero-badges li{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:7px 14px;
}
.hero-badges strong{color:#fff;font-weight:800;}
.hero-media{position:relative;}
.hero-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--sh-3);aspect-ratio:4/3;background:var(--brand-700);
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;right:-8px;bottom:-18px;background:#fff;color:var(--ink-900);
  border-radius:12px;padding:12px 16px;box-shadow:0 18px 38px -20px rgba(0,0,0,.55);
  display:flex;flex-direction:column;gap:2px;min-width:164px;
}
.float-card span{font-size:12px;color:var(--ink-300);font-weight:600;}
.float-card b{font-size:15px;font-weight:800;color:var(--ink-900);}
@media (max-width:480px){
  .hero{padding:40px 0 52px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost-light{width:100%;}
  .float-card{right:8px;bottom:8px;min-width:0;}
}

/* ============ 价值点横条 ============ */
.value-strip{background:var(--surface);padding:0 0 8px;margin-top:-28px;position:relative;z-index:3;}
.value-inner{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 8px;display:grid;grid-template-columns:1fr;gap:6px;box-shadow:var(--sh-1);
}
@media (min-width:768px){.value-inner{grid-template-columns:repeat(4,1fr);}}
.value-item{
  display:flex;align-items:center;gap:12px;padding:10px 18px;position:relative;
}
@media (min-width:768px){
  .value-item+.value-item::before{
    content:'';position:absolute;left:0;top:18%;height:64%;width:1px;background:var(--line);
  }
}
.value-icon{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-500);font-size:16px;
}
.value-item b{display:block;font-size:15px;font-weight:800;color:var(--ink-900);line-height:1.4;}
.value-item span{font-size:13px;color:var(--ink-300);}

/* ============ 通用板块 ============ */
.section{padding:48px 0;}
@media (min-width:992px){.section{padding:88px 0;}}
.section-alt{background:var(--surface-alt);}
.section-dark{background:var(--brand-900);color:#fff;}
.sec-head{margin-bottom:32px;}
.sec-head h2{
  position:relative;padding-left:16px;font-size:clamp(22px,3vw,32px);line-height:1.25;margin-bottom:10px;
}
.sec-head h2::before{
  content:'';position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--accent-lime);
}
.sec-sub{font-size:15px;color:var(--ink-600);max-width:720px;}
.sec-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.link-more{font-size:14px;font-weight:700;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{gap:10px;color:var(--brand-700);}
.section-dark .sec-head h2,.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .sec-sub{color:rgba(255,255,255,.72);}

/* ============ 功能截图轮播 ============ */
.shots-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:992px){.shots-grid{grid-template-columns:8fr 4fr;gap:44px;}}
.shots-main{overflow:hidden;border-radius:var(--r-card);}
.shots-track{display:flex;transition:transform .45s cubic-bezier(.4,0,.2,1);}
.shot{
  min-width:100%;margin:0;position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-alt);
}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#fff;
  background:linear-gradient(to top,rgba(6,37,28,.82),rgba(6,37,28,0));
}
.shots-side h3{font-size:20px;margin-bottom:10px;}
.shots-side p{font-size:15px;color:var(--ink-600);margin-bottom:20px;min-height:52px;}
.shots-dots{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap;}
.shots-dots button{
  width:38px;height:4px;border-radius:999px;border:none;background:var(--line);padding:0;
  transition:background .25s,width .25s;
}
.shots-dots button:hover{background:var(--ink-300);}
.shots-dots button.is-active{background:var(--accent-lime);width:52px;}
.auto-toggle{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink-600);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  transition:border-color .2s,color .2s;
}
.auto-toggle:hover{border-color:var(--brand-500);color:var(--brand-500);}
.auto-toggle.is-on{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-050);}
.shots-main:focus-visible{outline:2px solid var(--brand-500);outline-offset:4px;}

/* ============ 系统要求 ============ */
.spec-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:768px){.spec-grid{grid-template-columns:repeat(3,1fr);}}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;
  position:relative;box-shadow:var(--sh-1);transition:box-shadow .25s,transform .25s;
}
.spec-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.spec-card::before{
  content:'';position:absolute;left:0;top:0;width:100%;height:3px;border-radius:var(--r-card) var(--r-card) 0 0;
  background:var(--brand-500);
}
.spec-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.spec-card h3 i{color:var(--brand-500);font-size:16px;}
.spec-list{display:grid;grid-template-columns:1fr;gap:10px;margin:0;}
@media (min-width:768px){.spec-list{grid-template-columns:1fr;}}
.spec-item{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:14px;}
.spec-item dt{color:var(--ink-300);font-weight:500;margin:0;}
.spec-item dd{margin:0;color:var(--ink-900);font-weight:700;text-align:right;}
.spec-note{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-300);
}
.spec-note a{font-weight:700;}

/* ============ 评价墙 ============ */
.reviews{display:grid;grid-template-columns:1fr;gap:22px;align-items:start;}
@media (min-width:768px){.reviews{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.reviews{grid-template-columns:repeat(3,1fr);}}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-500);font-weight:800;font-size:16px;
}
.review-name{font-size:15px;font-weight:800;color:var(--ink-900);line-height:1.3;}
.stars{color:var(--accent-orange);font-size:12px;letter-spacing:2px;}
.review-text{font-size:15px;line-height:1.75;color:var(--ink-600);margin-bottom:14px;}
.review-source{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--brand-500);
  background:var(--brand-050);border-radius:999px;padding:5px 12px;font-weight:700;
}

/* ============ 下载 CTA ============ */
.dl-wrap{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:992px){.dl-wrap{grid-template-columns:8fr 4fr;}}
.dl-title{color:#fff;font-size:clamp(22px,3vw,32px);text-align:left;margin-bottom:14px;}
.dl-desc{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:28px;}
.dl-buttons{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:22px;}
.btn-lime-lg{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--accent-lime);color:var(--brand-900);font-weight:800;font-size:16px;
  border:none;border-radius:999px;padding:16px 30px;line-height:1.2;
  transition:transform .2s,box-shadow .25s;
}
.btn-lime-lg:hover{color:var(--brand-900);transform:translateY(-2px);box-shadow:0 16px 32px -16px rgba(198,242,78,.6);}
.btn-ghost-lg{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:transparent;color:#fff;font-weight:700;font-size:16px;
  border:1.5px solid rgba(255,255,255,.7);border-radius:999px;padding:16px 30px;line-height:1.2;
  transition:background .2s,border-color .2s,transform .2s;
}
.btn-ghost-lg:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;transform:translateY(-2px);}
.dl-meta{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.01em;}
.dl-meta span{color:rgba(255,255,255,.85);font-weight:700;}
.qr-box{
  width:160px;height:160px;border-radius:12px;background:var(--surface-alt);color:var(--brand-700);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  font-size:13px;font-weight:700;text-align:center;padding:16px;border:1px solid rgba(255,255,255,.16);
}
.qr-box i{font-size:26px;color:var(--brand-500);}
@media (max-width:767px){
  .dl-buttons .btn-lime-lg,.dl-buttons .btn-ghost-lg{width:100%;}
  .qr-box{width:100%;max-width:220px;height:130px;}
}

/* ============ 资讯列表 (CMS) ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-050);color:inherit;}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;font-size:12px;font-weight:700;
  color:var(--brand-500);background:var(--brand-050);border-radius:999px;padding:4px 12px;
}
.news-title{
  font-size:17px;font-weight:800;line-height:1.5;color:var(--ink-900);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  font-size:14px;color:var(--ink-600);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-time{font-size:13px;color:var(--ink-300);margin-top:auto;display:flex;align-items:center;gap:6px;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--ink-300);}
.empty-state p{font-size:15px;color:var(--ink-600);}

/* ============ 登录引导 ============ */
.login-wrap{display:grid;grid-template-columns:1fr;gap:36px;align-items:start;}
@media (min-width:992px){.login-wrap{grid-template-columns:6fr 6fr;gap:56px;}}
.step-list{display:flex;flex-direction:column;gap:20px;margin-top:8px;}
.step-item{display:flex;gap:16px;}
.step-num{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-500);font-weight:800;font-size:15px;
}
.step-item h3{font-size:17px;margin-bottom:4px;}
.step-item p{font-size:15px;color:var(--ink-600);margin:0;}
.login-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-2);
}
.login-card h3{font-size:19px;margin-bottom:6px;}
.login-card .form-hint{font-size:13px;color:var(--ink-300);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink-900);margin-bottom:7px;}
.field input{
  width:100%;height:48px;border-radius:var(--r-btn);border:1px solid var(--line);background:var(--surface-alt);
  padding:0 14px;font-size:15px;color:var(--ink-900);outline:none;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input::placeholder{color:var(--ink-300);}
.field input:focus{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(20,122,85,.12);}
.check-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;font-size:14px;}
.check-row label{display:flex;align-items:center;gap:8px;color:var(--ink-600);cursor:pointer;}
.check-row input[type=checkbox]{width:16px;height:16px;accent-color:var(--brand-500);}
.form-note{font-size:13px;color:var(--ink-300);margin:14px 0 0;}
.form-note a{font-weight:700;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:var(--brand-050);box-shadow:var(--sh-1);}
.faq-q{
  list-style:none;cursor:pointer;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:16px;font-weight:700;color:var(--ink-900);position:relative;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::before{
  content:'';position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand-500);opacity:0;transition:opacity .25s;
}
.faq-item[open] .faq-q::before{opacity:1;}
.faq-item[open] .faq-q{color:var(--brand-500);}
.faq-icon{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:var(--surface-alt);color:var(--ink-600);font-size:14px;transition:transform .25s,background .25s,color .25s;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff;}
.faq-a{padding:0 20px 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-600);}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 0;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
@media (min-width:576px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{width:30px;height:30px;border-radius:8px;}
.foot-brand b{color:#fff;font-size:16px;font-weight:800;}
.foot-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0;}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);}
.foot-links a:hover{color:var(--accent-lime);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;font-size:13px;
  color:rgba(255,255,255,.5);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}
.foot-bottom a{color:rgba(255,255,255,.6);}
.foot-bottom a:hover{color:var(--accent-lime);}
@media (max-width:767px){
  .foot-grid{gap:24px;}
}

/* roulang page: article */
:root{
  --brand-900:#06251C;
  --brand-700:#0C4534;
  --brand-500:#147A55;
  --brand-050:#E8F4EE;
  --accent-lime:#C6F24E;
  --accent-orange:#FF6B2C;
  --ink-900:#101613;
  --ink-600:#4A5650;
  --ink-300:#9AA6A0;
  --surface:#FFFFFF;
  --surface-alt:#F4F7F2;
  --line:#E2E8E1;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(6,37,28,.06);
  --shadow-2:0 10px 28px -14px rgba(6,37,28,.22);
  --shadow-dark:0 12px 32px -16px rgba(0,0,0,.45);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  color:var(--ink-600);
  background:var(--surface);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.4em}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:992px){.container{padding:0 24px}}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-2)}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand-500),var(--brand-900));position:relative;display:inline-block;flex-shrink:0}
.brand-mark::after{content:"";position:absolute;left:9px;top:9px;width:14px;height:14px;border:2px solid var(--accent-lime);border-radius:3px;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-45deg)}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link-custom{position:relative;display:inline-block;padding:0 12px;height:40px;line-height:40px;font-size:15px;font-weight:500;color:var(--ink-600);text-decoration:none;border-radius:8px;white-space:nowrap}
.nav-link-custom::after{content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;background:var(--brand-500);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link-custom:hover,.nav-link-custom:focus-visible{color:var(--brand-500)}
.nav-link-custom:hover::after,.nav-link-custom:focus-visible::after{transform:scaleX(1)}
.nav-link-custom.active{color:var(--brand-500);font-weight:700}
.nav-link-custom.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{position:relative;width:220px;transition:width .25s ease}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-300)}
.nav-search input{width:100%;height:38px;border-radius:999px;border:1px solid transparent;background:var(--surface-alt);padding:0 16px 0 36px;font-size:14px;color:var(--ink-900);outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search input::placeholder{color:var(--ink-300)}
.nav-search input:focus{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(20,122,85,.12)}
.nav-search:focus-within{width:280px}
.link-login{font-size:15px;color:var(--ink-600);font-weight:500;text-decoration:none}
.link-login:hover{color:var(--brand-500)}
.btn-lime{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 20px;border-radius:999px;background:var(--accent-lime);color:var(--brand-900);font-size:14px;font-weight:700;text-decoration:none;border:none;transition:transform .2s ease,box-shadow .2s ease}
.btn-lime:hover{color:var(--brand-900);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(6,37,28,.5)}
.nav-toggle{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-900);align-items:center;justify-content:center;font-size:16px}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-500)}
@media (max-width:991.98px){
  .nav-inner{height:56px;gap:12px}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .link-login{display:none}
  .nav-menu{position:fixed;top:56px;left:0;right:0;margin:0;padding:12px 16px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);flex-direction:column;align-items:stretch;gap:2px;transform:translateY(-140%);transition:transform .28s ease;z-index:1029}
  .site-header.nav-open .nav-menu{transform:translateY(0)}
  .nav-link-custom{height:44px;line-height:44px;font-size:16px;border-radius:10px}
  .nav-link-custom::after{display:none}
  .nav-link-custom.active{background:var(--brand-050)}
}

/* ---------- 文章头部 ---------- */
.article-head{background:var(--surface-alt);border-bottom:1px solid var(--line);padding:32px 0 36px;background-image:repeating-linear-gradient(90deg,rgba(20,122,85,.045) 0 1px,transparent 1px 96px)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);margin-bottom:18px}
.crumbs a{color:var(--ink-600);font-weight:500}
.crumbs a:hover{color:var(--brand-500)}
.crumbs .sep{color:var(--ink-300)}
.crumbs .cur{color:var(--ink-300);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head h1{font-size:clamp(26px,3.6vw,40px);line-height:1.22;font-weight:800;max-width:940px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:20px;font-size:13px;color:var(--ink-300)}
.badge-soft{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-050);color:var(--brand-500);font-weight:700;font-size:12.5px}
.meta-item{display:inline-flex;align-items:center;gap:6px}

/* ---------- 文章正文 ---------- */
.article-main{padding:44px 0 64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;justify-content:center}
@media (min-width:1200px){
  .article-layout{grid-template-columns:220px minmax(0,760px);justify-content:center}
}
.toc{display:none;position:sticky;top:96px;align-self:start;max-height:calc(100vh - 140px);overflow:auto}
@media (min-width:1200px){.toc{display:block}}
.toc-title{font-size:13px;font-weight:800;color:var(--ink-900);letter-spacing:.04em;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.toc-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--accent-lime)}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:0}
.toc-link{display:block;padding:7px 0 7px 14px;margin-left:-1px;border-left:2px solid transparent;font-size:14px;color:var(--ink-600);line-height:1.5}
.toc-link:hover{color:var(--brand-500);border-left-color:var(--brand-050)}
.toc-link.is-active{color:var(--brand-500);font-weight:700;border-left-color:var(--brand-500)}
.article-body{max-width:760px;font-size:16px;line-height:1.78;color:var(--ink-600)}
.article-body h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;margin:2em 0 .8em;padding-left:14px;position:relative;scroll-margin-top:96px}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:1.05em;border-radius:2px;background:var(--brand-500)}
.article-body h3{font-size:18px;font-weight:700;margin:1.6em 0 .6em;color:var(--ink-900)}
.article-body p{margin:0 0 1.05em}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em}
.article-body li{margin:.4em 0}
.article-body strong{color:var(--ink-900);font-weight:700}
.article-body img{border-radius:var(--r-card);margin:1.4em auto;box-shadow:var(--shadow-1)}
.article-body blockquote{margin:1.4em 0;background:var(--brand-050);border-left:3px solid var(--brand-500);border-radius:0 12px 12px 0;padding:14px 18px;color:var(--ink-600)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body thead th{background:var(--brand-050);color:var(--brand-700);font-weight:700}
.article-body tbody tr:nth-child(even){background:var(--surface-alt)}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.empty-state{text-align:center;padding:56px 24px;background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--r-lg)}
.empty-state i{font-size:30px;color:var(--ink-300)}
.empty-state h2{font-size:20px;margin:14px 0 8px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{margin-bottom:20px}
.article-return{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.article-return .tip{font-size:13px;color:var(--ink-300)}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0}
@media (min-width:992px){.section{padding:72px 0}}
.section-alt{background:var(--surface-alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-title{font-size:clamp(22px,3vw,30px);line-height:1.3;padding-left:16px;position:relative}
.section-title::before{content:"";position:absolute;left:0;top:.18em;width:4px;height:1.05em;border-radius:2px;background:var(--accent-lime)}
.section-sub{font-size:14px;color:var(--ink-300);margin:8px 0 0 16px}
.more-link{font-size:14px;font-weight:700;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.more-link:hover{gap:10px}

/* ---------- 相关推荐卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:991.98px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.card-grid{grid-template-columns:minmax(0,1fr)}}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column;height:100%}
.p-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.p-card .thumb{position:relative;aspect-ratio:16/10;background:var(--surface-alt);overflow:hidden}
.p-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.p-card:hover .thumb img{transform:scale(1.04)}
.p-card .thumb .tag{position:absolute;left:12px;top:12px;height:24px;padding:0 10px;border-radius:999px;background:rgba(6,37,28,.78);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center}
.p-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.p-body h3{font-size:17px;line-height:1.45;font-weight:700}
.p-body h3 a{color:var(--ink-900)}
.p-body h3 a:hover{color:var(--brand-500)}
.p-body p{font-size:14px;line-height:1.7;color:var(--ink-600);margin:0}
.p-meta{margin-top:auto;font-size:13px;color:var(--ink-300);display:flex;align-items:center;gap:8px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-acc .accordion-item{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:12px;background:#fff;box-shadow:var(--shadow-1)}
.faq-acc .accordion-button{font-size:16px;font-weight:700;color:var(--ink-900);background:#fff;padding:18px 20px;box-shadow:none;border-left:3px solid transparent;border-radius:12px}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-500);background:var(--brand-050);border-left-color:var(--brand-500)}
.faq-acc .accordion-button::after{background-image:none;content:"+";font-family:inherit;font-size:20px;font-weight:700;width:auto;height:auto;line-height:1;color:var(--brand-500);transform:none;transition:transform .25s ease;display:flex;align-items:center;justify-content:center;margin-left:auto}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(20,122,85,.14);z-index:2}
.faq-acc .accordion-body{padding:4px 20px 20px;font-size:15px;line-height:1.78;color:var(--ink-600)}

/* ---------- CTA 下载条 ---------- */
.cta-band{background:var(--brand-900);color:#fff;position:relative;overflow:hidden;padding:48px 0}
@media (min-width:992px){.cta-band{padding:64px 0}}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border:1px solid rgba(255,255,255,.08);border-radius:50%;pointer-events:none}
.cta-band::before{content:"";position:absolute;left:-80px;bottom:-160px;width:320px;height:320px;border:1px solid rgba(198,242,78,.14);border-radius:50%;pointer-events:none}
.cta-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:center}
@media (min-width:992px){.cta-inner{grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr)}}
.cta-inner h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.3}
.cta-inner p{color:rgba(255,255,255,.72);margin:12px 0 0;max-width:640px}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn-primary-c{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;background:var(--accent-lime);color:var(--brand-900);font-weight:800;font-size:15px;border:none;transition:transform .2s ease,box-shadow .2s ease}
.btn-primary-c:hover{color:var(--brand-900);transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(198,242,78,.7)}
.btn-ghost-c{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;background:transparent;color:#fff;font-weight:700;font-size:15px;border:1.5px solid rgba(255,255,255,.55);transition:background .2s ease,border-color .2s ease}
.btn-ghost-c:hover{background:rgba(255,255,255,.08);border-color:#fff;color:#fff}
.cta-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.6)}
.cta-facts span{display:inline-flex;align-items:center;gap:6px}
.qr-box{width:160px;height:160px;border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;color:var(--ink-600);font-weight:700;box-shadow:var(--shadow-dark);margin-left:auto}
@media (max-width:991.98px){.qr-box{margin:0}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
@media (max-width:991.98px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}}
@media (max-width:575.98px){.foot-grid{grid-template-columns:minmax(0,1fr)}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand b{color:#fff;font-size:16px;font-weight:800}
.foot-col p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.6);margin:0}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:none}
.foot-links a:hover{color:var(--accent-lime)}
.foot-bottom{margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}
@media (max-width:575.98px){
  .article-head{padding:24px 0 28px}
  .article-main{padding:32px 0 44px}
  .btn-primary-c,.btn-ghost-c,.btn-lime{width:100%}
  .cta-btns{flex-direction:column}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand-900:#06251C;
  --brand-700:#0C4534;
  --brand-500:#147A55;
  --brand-050:#E8F4EE;
  --accent-lime:#C6F24E;
  --accent-orange:#FF6B2C;
  --ink-900:#101613;
  --ink-600:#4A5650;
  --ink-300:#9AA6A0;
  --surface:#FFFFFF;
  --surface-alt:#F4F7F2;
  --line:#E2E8E1;
  --r-card:14px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(6,37,28,.06);
  --sh-2:0 10px 28px -14px rgba(6,37,28,.22);
  --sh-3:0 12px 32px -16px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.78;color:var(--ink-600);background:var(--surface);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-900);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:992px){.container{padding:0 24px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(6,37,28,.55);}
.nav-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-900));
  box-shadow:var(--sh-1);
}
.brand-mark::before{
  content:"";position:absolute;left:8px;top:8px;right:8px;bottom:8px;
  border:2px solid var(--accent-lime);border-radius:50%;opacity:.9;
}
.brand-mark::after{
  content:"";position:absolute;left:15px;top:6px;bottom:6px;width:2px;
  background:var(--accent-lime);opacity:.85;border-radius:2px;
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link-custom{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:15px;font-weight:600;color:var(--ink-600);text-decoration:none;border-radius:8px;
}
.nav-link-custom::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link-custom:hover{color:var(--brand-500);}
.nav-link-custom:hover::after{transform:scaleX(1);}
.nav-link-custom.active{color:var(--brand-500);}
.nav-link-custom.active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--ink-300);pointer-events:none;}
.nav-search input{
  width:220px;height:40px;border-radius:999px;background:var(--surface-alt);
  border:1px solid transparent;padding:0 16px 0 36px;font-size:14px;color:var(--ink-900);
  transition:width .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.nav-search input::placeholder{color:var(--ink-300);}
.nav-search input:focus{
  outline:none;width:280px;background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(20,122,85,.13);
}
.link-login{font-size:15px;font-weight:600;color:var(--ink-600);white-space:nowrap;}
.link-login:hover{color:var(--brand-500);}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 18px;
  border-radius:999px;background:var(--accent-lime);color:var(--brand-900);
  font-size:14px;font-weight:800;border:none;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-lime:hover{color:var(--brand-900);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(6,37,28,.6);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);font-size:16px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-500);}
@media (max-width:1199px){
  .nav-search input{width:160px;}
  .nav-search input:focus{width:190px;}
}
@media (max-width:991px){
  .nav-inner{height:56px;gap:12px;}
  .nav-search,.link-login{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;left:0;right:0;top:56px;display:none;flex-direction:column;align-items:stretch;
    gap:2px;margin:0;padding:12px 16px 20px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 20px 34px -24px rgba(6,37,28,.5);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link-custom{height:46px;font-size:16px;}
  .nav-link-custom::after{left:0;right:auto;width:24px;bottom:8px;}
  .nav-link-custom:hover::after{transform:scaleX(1);}
}

/* ---------- 通用板块 ---------- */
.sec{padding:48px 0;}
@media (min-width:992px){.sec{padding:88px 0;}}
.sec-alt{background:var(--surface-alt);}
.sec-dark{background:var(--brand-900);}
.sec-head{max-width:780px;margin-bottom:36px;}
.sec-head h2{
  position:relative;padding-left:16px;font-size:clamp(22px,3vw,32px);line-height:1.25;margin-bottom:12px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--accent-lime);
}
.sec-head p{font-size:15px;color:var(--ink-600);}
.sec-dark .sec-head h2{color:#fff;}
.sec-dark .sec-head p{color:rgba(255,255,255,.72);}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head--center h2{padding-left:0;}
.sec-head--center h2::before{display:none;}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--accent-lime);}
.crumb span.sep{color:rgba(255,255,255,.35);}
.crumb span.cur{color:var(--accent-lime);font-weight:600;}

/* ---------- 分类页头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-size:cover;background-position:center;
  padding:40px 0 52px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(6,37,28,.96) 0%,rgba(6,37,28,.86) 45%,rgba(12,69,52,.78) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 84px);
}
.page-hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  background:rgba(198,242,78,.16);border:1px solid rgba(198,242,78,.45);
  color:var(--accent-lime);font-size:13px;font-weight:700;margin-bottom:16px;
}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.18;letter-spacing:-.01em;
  margin-bottom:14px;max-width:900px;
}
.hero-sub{font-size:16px;color:rgba(255,255,255,.78);max-width:700px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.btn-primary-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:999px;background:var(--accent-lime);color:var(--brand-900);font-weight:800;font-size:15px;
  border:none;transition:transform .2s ease,box-shadow .2s ease;
}
.btn-primary-c:hover{color:var(--brand-900);transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(198,242,78,.7);}
.btn-ghost-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:999px;background:transparent;color:#fff;font-weight:700;font-size:15px;
  border:1.5px solid rgba(255,255,255,.55);transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-ghost-c:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.82);
}
.fact-chip b{color:#fff;font-weight:800;font-variant-numeric:tabular-nums;}
.fact-chip i{color:var(--accent-lime);}

/* ---------- 快速核对 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d3ded5;}
.check-icon{
  width:46px;height:46px;border-radius:12px;background:var(--brand-050);color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.check-card h3{font-size:18px;margin-bottom:8px;}
.check-card p{font-size:14.5px;color:var(--ink-600);margin:0;}
@media (max-width:991px){.check-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:575px){.check-grid{grid-template-columns:1fr;}}

/* ---------- 安装时间轴 ---------- */
.timeline{position:relative;padding-top:6px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand-500) 0%,rgba(20,122,85,.25) 70%,rgba(20,122,85,0) 100%);
}
.tl-item{position:relative;padding-left:74px;margin-bottom:22px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--brand-500);color:var(--brand-500);
  font-weight:800;font-size:17px;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 20px -14px rgba(6,37,28,.6);
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.tl-card h3{font-size:18px;margin-bottom:8px;padding-left:0;}
.tl-card p{font-size:14.5px;margin:0;color:var(--ink-600);}
.tl-tip{
  display:inline-flex;align-items:flex-start;gap:8px;margin-top:14px;padding:10px 14px;
  border-radius:10px;background:var(--brand-050);color:var(--brand-700);font-size:13.5px;line-height:1.6;
}
.tl-tip i{color:var(--brand-500);margin-top:3px;}
@media (max-width:767px){
  .timeline::before{left:19px;}
  .tl-item{padding-left:56px;}
  .tl-num{width:40px;height:40px;font-size:15px;}
  .tl-card{padding:18px 18px;}
}

/* ---------- 系统要求 ---------- */
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.req-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 22px;overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.req-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-500);}
.req-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.req-card h3{font-size:18px;display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.req-card h3 i{color:var(--brand-500);font-size:16px;}
.req-row{
  display:flex;justify-content:space-between;gap:14px;padding:10px 0;
  border-bottom:1px dashed var(--line);font-size:14px;
}
.req-row:last-of-type{border-bottom:none;}
.req-key{color:var(--ink-300);}
.req-val{color:var(--ink-900);font-weight:700;text-align:right;font-variant-numeric:tabular-nums;}
.req-note{
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-300);
}
.req-note a{font-weight:700;}
@media (max-width:991px){.req-grid{grid-template-columns:1fr;}}

/* ---------- 下载区块 ---------- */
.dl-panel{
  display:grid;grid-template-columns:1fr 200px;gap:40px;align-items:center;
}
.dl-panel h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:12px;}
.dl-panel p{color:rgba(255,255,255,.72);font-size:15px;max-width:620px;}
.dl-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.btn-outline-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:999px;background:transparent;color:#fff;font-weight:700;font-size:15px;
  border:1.5px solid rgba(255,255,255,.5);transition:background .2s ease,border-color .2s ease;
}
.btn-outline-c:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}
.dl-meta{
  margin-top:20px;font-size:13px;color:rgba(255,255,255,.6);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.qr-box{
  width:160px;height:160px;border-radius:12px;background:var(--surface-alt);
  border:1px solid rgba(255,255,255,.14);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:8px;color:var(--ink-300);
  font-size:12.5px;text-align:center;padding:12px;
}
.qr-box i{font-size:22px;color:var(--brand-500);}
@media (max-width:767px){
  .dl-panel{grid-template-columns:1fr;gap:26px;}
  .qr-box{width:140px;height:140px;}
  .dl-buttons .btn-primary-c,.dl-buttons .btn-outline-c{width:100%;}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{border-color:rgba(20,122,85,.45);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:none;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.5;
  position:relative;transition:color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand-500);transform:scaleY(0);transform-origin:center;transition:transform .25s ease;
}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-item.is-open .faq-q{color:var(--brand-500);}
.faq-q:hover{color:var(--brand-500);}
.faq-q i{
  flex:0 0 auto;font-size:14px;color:var(--ink-300);
  transition:transform .3s ease,color .2s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(135deg);color:var(--brand-500);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:14.5px;color:var(--ink-600);line-height:1.8;}
@media (max-width:575px){
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;}
}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.rel-link{
  display:flex;align-items:flex-start;gap:14px;padding:22px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  text-decoration:none;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-link:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d3ded5;}
.rel-ico{
  width:42px;height:42px;border-radius:11px;flex:0 0 auto;
  background:var(--brand-050);color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.rel-link h3{font-size:16px;margin-bottom:5px;color:var(--ink-900);}
.rel-link p{font-size:13.5px;color:var(--ink-600);margin:0;}
.rel-link .rel-go{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--brand-500);margin-top:8px;}
@media (max-width:824px){.rel-grid{grid-template-columns:1fr;}}

/* ---------- 底部 CTA 条 ---------- */
.cta-bar{
  background:linear-gradient(120deg,var(--brand-700),var(--brand-900));
  border-radius:20px;padding:36px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  border:1px solid rgba(198,242,78,.18);
}
.cta-bar h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:8px;}
.cta-bar p{color:rgba(255,255,255,.72);font-size:14.5px;margin:0;max-width:620px;}
@media (max-width:767px){
  .cta-bar{padding:26px 20px;}
  .cta-bar .btn-primary-c{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand b{color:#fff;font-size:16px;font-weight:800;}
.foot-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:0;}
.foot-title{color:#fff;font-size:14px;font-weight:800;margin-bottom:14px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:rgba(255,255,255,.72);font-size:14px;}
.foot-links a:hover{color:var(--accent-lime);}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575px){
  .foot-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{padding:40px 0 20px;}
}

/* ---------- 移动端补充 ---------- */
@media (max-width:480px){
  .page-hero{padding:32px 0 42px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-primary-c,.hero-actions .btn-ghost-c{width:100%;}
  .fact-chip{font-size:12.5px;padding:7px 13px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#06251C;
  --brand-700:#0C4534;
  --brand-500:#147A55;
  --brand-050:#E8F4EE;
  --accent-lime:#C6F24E;
  --accent-orange:#FF6B2C;
  --ink-900:#101613;
  --ink-600:#4A5650;
  --ink-300:#9AA6A0;
  --surface:#FFFFFF;
  --surface-alt:#F4F7F2;
  --line:#E2E8E1;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(6,37,28,.06);
  --shadow-2:0 10px 28px -14px rgba(6,37,28,.22);
  --shadow-dark:0 12px 32px -16px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{overflow-x:hidden;}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.78;color:var(--ink-600);background:var(--surface);
  -webkit-font-smoothing:antialiased;text-align:left;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.4em;}
li{margin-bottom:.4em;}
button{font-family:inherit;}
strong{color:var(--ink-900);}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:992px){.container{padding-left:24px;padding-right:24px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.scrolled{box-shadow:0 8px 24px -18px rgba(6,37,28,.34);}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{position:relative;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand-500),var(--brand-700));display:inline-block;flex-shrink:0;}
.brand-mark::after{content:"";position:absolute;inset:8px 7px;border:1.5px solid rgba(198,242,78,.9);border-radius:3px;}
.brand-mark::before{content:"";position:absolute;left:50%;top:7px;bottom:7px;width:1.5px;background:rgba(255,255,255,.75);transform:translateX(-50%);}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--brand-500);}
.nav-menu{display:flex;align-items:center;gap:2px;}
.nav-link-custom{position:relative;display:inline-block;padding:0 12px;line-height:40px;font-size:15px;color:var(--ink-600);border-radius:8px;white-space:nowrap;}
.nav-link-custom::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link-custom:hover{color:var(--brand-500);}
.nav-link-custom:hover::after{transform:scaleX(1);}
.nav-link-custom.active{color:var(--brand-500);font-weight:700;}
.nav-link-custom.active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;width:220px;transition:width .25s ease;}
.nav-search:focus-within{width:280px;}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-300);font-size:13px;}
.nav-search input{width:100%;height:38px;border-radius:999px;border:1px solid transparent;background:var(--surface-alt);padding:0 16px 0 38px;font-size:14px;color:var(--ink-900);outline:none;transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;}
.nav-search input::placeholder{color:var(--ink-300);}
.nav-search input:focus{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(20,122,85,.12);}
.link-login{font-size:15px;color:var(--ink-600);white-space:nowrap;}
.link-login:hover{color:var(--brand-500);}
.btn-lime{display:inline-flex;align-items:center;gap:6px;background:var(--accent-lime);color:var(--brand-900);font-weight:700;font-size:15px;border-radius:999px;padding:9px 20px;white-space:nowrap;}
.btn-lime:hover{color:var(--brand-900);transform:translateY(-1px);box-shadow:0 10px 20px -12px rgba(6,37,28,.5);}
.nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;width:40px;height:40px;align-items:center;justify-content:center;color:var(--ink-900);font-size:16px;}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-500);}
@media (max-width:1099.98px){
  .nav-search{display:none;}
}
@media (max-width:991.98px){
  .nav-inner{height:56px;gap:12px;}
  .nav-toggle{display:inline-flex;}
  .link-login{display:none;}
  .nav-menu{position:absolute;top:100%;left:-16px;right:-16px;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;padding:10px 16px 16px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px -22px rgba(6,37,28,.45);}
  .nav-menu.open{display:flex;}
  .nav-link-custom{line-height:46px;padding:0 10px;}
  .nav-link-custom::after{left:10px;right:10px;bottom:8px;}
}

/* ---------- breadcrumb + hero ---------- */
.cat-hero{position:relative;background:var(--brand-900) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;overflow:hidden;}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(6,37,28,.95) 0%,rgba(6,37,28,.86) 48%,rgba(6,37,28,.62) 100%);}
.cat-hero::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.14) 0 1px,transparent 1px 132px);opacity:.22;pointer-events:none;}
.cat-hero .container{position:relative;z-index:2;}
.crumb{font-size:13px;color:rgba(255,255,255,.62);padding-top:20px;}
.crumb a{color:rgba(255,255,255,.62);}
.crumb a:hover{color:var(--accent-lime);}
.crumb span.sep{margin:0 7px;color:rgba(255,255,255,.35);}
.crumb .cur{color:rgba(255,255,255,.88);}
.hero-grid{display:grid;gap:32px;padding:36px 0 52px;}
@media (min-width:992px){
  .hero-grid{grid-template-columns:1.32fr 1fr;align-items:center;gap:48px;padding:52px 0 84px;}
}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent-lime);background:rgba(198,242,78,.12);border:1px solid rgba(198,242,78,.35);border-radius:999px;padding:5px 14px;margin-bottom:18px;}
.hero-title{font-size:clamp(28px,4.2vw,44px);line-height:1.18;color:#fff;margin-bottom:16px;}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.78);max-width:540px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-xl{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:700;border-radius:999px;padding:13px 26px;border:1.5px solid transparent;transition:all .22s ease;}
.btn-xl.lime{background:var(--accent-lime);color:var(--brand-900);}
.btn-xl.lime:hover{color:var(--brand-900);transform:translateY(-2px);box-shadow:0 16px 26px -16px rgba(198,242,78,.7);}
.btn-xl.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-xl.ghost:hover{color:var(--accent-lime);border-color:var(--accent-lime);}
.hero-card{background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-dark);position:relative;overflow:hidden;}
.hero-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--accent-lime),var(--brand-500));}
.hero-card h3{font-size:17px;margin-bottom:14px;}
.hero-list{list-style:none;padding:0;margin:0;}
.hero-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-600);margin:0;}
.hero-list li:last-child{border-bottom:0;padding-bottom:0;}
.hero-list i{color:var(--brand-500);font-size:14px;margin-top:5px;}
.hero-list b{display:block;color:var(--ink-900);font-size:15px;font-weight:700;}
.hero-card .hc-meta{margin-top:14px;font-size:13px;color:var(--ink-300);}

/* ---------- stat bar ---------- */
.stat-bar{background:var(--surface-alt);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);}
@media (min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat-item{background:#fff;padding:20px 22px;}
.stat-num{font-size:26px;font-weight:800;color:var(--brand-500);line-height:1.2;}
.stat-label{font-size:13px;color:var(--ink-300);margin-top:4px;}

/* ---------- section bases ---------- */
.section{padding:48px 0;}
@media (min-width:992px){.section{padding:88px 0;}}
.bg-alt{background:var(--surface-alt);}
.sec-title{font-size:clamp(22px,3vw,32px);line-height:1.25;position:relative;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;width:4px;height:22px;border-radius:2px;background:var(--accent-lime);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px;}
.sec-desc{font-size:15px;color:var(--ink-300);max-width:640px;margin:10px 0 0;}
.link-more{font-size:14px;font-weight:700;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{gap:10px;}

/* ---------- doc layout ---------- */
.doc-layout{display:grid;gap:28px;}
@media (min-width:992px){.doc-layout{grid-template-columns:240px 1fr;gap:56px;}}
.toc{position:sticky;top:88px;align-self:start;}
.toc-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-1);}
.toc-title{font-size:14px;font-weight:800;color:var(--ink-900);margin-bottom:10px;}
.toc a{display:block;font-size:14px;color:var(--ink-600);padding:8px 10px;border-radius:8px;border-left:2px solid transparent;}
.toc a:hover{background:var(--brand-050);color:var(--brand-500);}
.toc a.active{background:var(--brand-050);color:var(--brand-500);font-weight:700;border-left-color:var(--brand-500);}
@media (max-width:991.98px){
  .toc{position:static;}
  .toc-box{display:flex;gap:8px;overflow-x:auto;padding:10px;scrollbar-width:thin;}
  .toc-title{display:none;}
  .toc a{white-space:nowrap;background:var(--surface-alt);border-radius:999px;border-left:none;padding:8px 14px;font-size:13px;}
  .toc a.active{border-left:none;background:var(--brand-050);}
}
.doc h2{font-size:clamp(21px,2.4vw,27px);line-height:1.3;position:relative;padding-left:16px;margin:2.2em 0 .7em;}
.doc h2:first-child{margin-top:0;}
.doc h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:20px;border-radius:2px;background:var(--accent-lime);}
.doc h3{font-size:18px;margin:1.6em 0 .5em;}
.doc p{color:var(--ink-600);}
[id^="sec-"]{scroll-margin-top:92px;}
.check-list{list-style:none;padding:0;margin:20px 0;display:grid;gap:12px;}
@media (min-width:768px){.check-list{grid-template-columns:1fr 1fr;}}
.check-list li{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow-1);font-size:14px;margin:0;}
.check-list i{color:var(--brand-500);margin-top:5px;font-size:14px;}
.note-box{background:var(--brand-050);border-left:3px solid var(--brand-500);border-radius:12px;padding:18px 20px;margin:22px 0;font-size:15px;}
.note-box b{color:var(--brand-900);}
.dark-panel{background:var(--brand-900);border-radius:var(--radius-lg);padding:28px;margin:24px 0;color:rgba(255,255,255,.78);}
.dark-panel h3{color:#fff;font-size:18px;margin:0 0 16px;}
.dark-grid{display:grid;gap:20px;}
@media (min-width:768px){.dark-grid{grid-template-columns:repeat(3,1fr);}}
.dark-grid .dg-item{border-top:2px solid rgba(198,242,78,.6);padding-top:14px;}
.dark-grid .dg-item b{display:block;color:#fff;font-size:15px;margin-bottom:6px;}
.dark-grid .dg-item p{font-size:14px;color:rgba(255,255,255,.72);margin:0;}
.shot-grid{display:grid;gap:20px;margin:24px 0;}
@media (min-width:768px){.shot-grid{grid-template-columns:1fr 1fr;}}
.shot-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;}
.shot-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.shot-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot-card .body{padding:18px 20px;}
.shot-card h3{font-size:17px;margin:0 0 8px;}
.shot-card p{font-size:14px;color:var(--ink-600);margin:0;}
.steps{display:grid;gap:18px;margin:24px 0;}
@media (min-width:768px){.steps{grid-template-columns:1fr 1fr;}}
@media (min-width:1200px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 20px;position:relative;transition:transform .22s ease,box-shadow .22s ease;}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{width:34px;height:34px;border-radius:10px;background:var(--brand-050);color:var(--brand-500);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-variant-numeric:tabular-nums;}
.step h3{font-size:16px;margin:0 0 8px;}
.step p{font-size:14px;margin:0;color:var(--ink-600);}

/* ---------- faq ---------- */
.faq-acc .accordion-item{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:12px;background:#fff;box-shadow:var(--shadow-1);}
.faq-acc .accordion-button{position:relative;font-size:16px;font-weight:700;color:var(--ink-900);background:#fff;box-shadow:none;padding:18px 52px 18px 22px;line-height:1.55;}
.faq-acc .accordion-button::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .2s ease;}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-500);background:#fff;}
.faq-acc .accordion-button:not(.collapsed)::before{background:var(--brand-500);}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-500);outline-offset:-2px;}
.faq-acc .accordion-button::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:auto;height:auto;background-image:none;font-size:20px;font-weight:400;color:var(--brand-500);line-height:1;margin:0;transition:transform .25s ease,color .2s ease;}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%);}
.faq-acc .accordion-body{padding:4px 22px 20px;font-size:15px;color:var(--ink-600);}
.faq-acc .accordion-body p:last-child{margin-bottom:0;}

/* ---------- cta ---------- */
.cta-band{background:var(--brand-900);border-radius:24px;padding:34px;color:#fff;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;border:1px solid rgba(198,242,78,.25);}
.cta-grid{position:relative;z-index:2;display:grid;gap:28px;align-items:center;}
@media (min-width:992px){.cta-grid{grid-template-columns:1.6fr .6fr;}}
.cta-title{font-size:clamp(21px,2.6vw,28px);color:#fff;line-height:1.3;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.75);font-size:15px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.cta-meta{margin-top:18px;font-size:13px;color:rgba(255,255,255,.6);font-variant-numeric:tabular-nums;}
.qr-box{width:160px;height:160px;background:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;color:var(--ink-300);padding:12px;line-height:1.6;margin:0 auto;}
@media (max-width:520px){
  .cta-band{padding:24px 18px;border-radius:18px;}
  .btn-xl{width:100%;justify-content:center;}
}

/* ---------- related ---------- */
.link-grid{display:grid;gap:20px;}
@media (min-width:768px){.link-grid{grid-template-columns:1fr 1fr;}}
.link-card{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:16px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFE0D6;}
.link-card img{width:96px;height:72px;object-fit:cover;border-radius:10px;flex-shrink:0;}
.link-card h3{font-size:16px;margin:0 0 6px;}
.link-card p{font-size:13px;color:var(--ink-300);margin:0;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:0;}
.foot-grid{display:grid;gap:32px;}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand b{color:#fff;font-size:17px;font-weight:800;}
.foot-col p{font-size:14px;color:rgba(255,255,255,.62);margin:0;max-width:340px;}
.foot-title{color:#fff;font-size:14px;font-weight:800;margin-bottom:14px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:rgba(255,255,255,.72);font-size:14px;}
.foot-links a:hover{color:var(--accent-lime);}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}

/* roulang page: category3 */
:root{
  --brand-900:#06251C;
  --brand-700:#0C4534;
  --brand-500:#147A55;
  --brand-050:#E8F4EE;
  --accent-lime:#C6F24E;
  --accent-orange:#FF6B2C;
  --ink-900:#101613;
  --ink-600:#4A5650;
  --ink-300:#9AA6A0;
  --surface:#FFFFFF;
  --surface-alt:#F4F7F2;
  --line:#E2E8E1;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(6,37,28,.06);
  --shadow-2:0 10px 28px -14px rgba(6,37,28,.22);
  --shadow-dark:0 12px 32px -16px rgba(0,0,0,.45);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  color:var(--ink-600);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-500);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
strong,b{color:var(--ink-900);font-weight:800;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:992px){.container{padding-left:24px;padding-right:24px;}}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
::selection{background:var(--accent-lime);color:var(--brand-900);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease;
}
.site-header.scrolled{box-shadow:0 8px 26px -20px rgba(6,37,28,.55);}
.nav-inner{display:flex;align-items:center;height:64px;gap:8px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-900));
  box-shadow:0 4px 12px -6px rgba(6,37,28,.6);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border:2px solid var(--accent-lime);border-radius:50%;
}
.brand-text{font-weight:800;font-size:17px;color:var(--ink-900);letter-spacing:-.02em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--brand-500);}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:18px;}
.nav-link-custom{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 12px;font-size:15px;font-weight:600;color:var(--ink-600);
}
.nav-link-custom::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;
  background:var(--brand-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;transition:transform .26s ease;
}
.nav-link-custom:hover{color:var(--brand-500);}
.nav-link-custom:hover::after{transform:scaleX(1);}
.nav-link-custom.active{color:var(--brand-500);}
.nav-link-custom.active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;border-radius:999px;
  background:var(--surface-alt);border:1px solid transparent;
  transition:width .26s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--ink-300);}
.nav-search input{
  width:100%;height:100%;border:0;background:transparent;outline:none;
  padding:0 14px 0 34px;font-size:14px;color:var(--ink-900);border-radius:999px;
}
.nav-search input::placeholder{color:var(--ink-300);}
.nav-search:focus-within{width:280px;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(20,122,85,.12);}
.link-login{font-size:15px;font-weight:600;color:var(--ink-600);}
.link-login:hover{color:var(--brand-500);}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border:0;border-radius:999px;
  background:var(--accent-lime);color:var(--brand-900);
  font-size:15px;font-weight:800;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-lime:hover{color:var(--brand-900);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(198,242,78,.95);}
.btn-lime:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--ink-900);font-size:16px;
  align-items:center;justify-content:center;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-500);}

@media (max-width:1199.98px){
  .nav-search{width:170px;}
  .nav-search:focus-within{width:200px;}
  .nav-link-custom{padding:0 9px;font-size:14px;}
}
@media (max-width:991.98px){
  .nav-inner{height:56px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:8px 16px 16px;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px -22px rgba(6,37,28,.6);
    display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-link-custom{height:48px;padding:0 6px;font-size:15.5px;width:100%;}
  .nav-link-custom::after{left:6px;right:auto;width:22px;bottom:10px;}
}
@media (max-width:575.98px){
  .brand-text{font-size:15.5px;}
  .link-login{display:none;}
  .btn-lime{height:36px;padding:0 15px;font-size:14px;}
}

/* ---------- 分类英雄区 ---------- */
.cat-hero{
  position:relative;overflow:hidden;background:var(--brand-900);
  padding:56px 0 52px;color:#fff;
}
.cat-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.30;
}
.cat-hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 12% 8%,rgba(6,37,28,.55),rgba(6,37,28,.94) 62%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 68px);
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:rgba(255,255,255,.75);}
.crumb a:hover{color:var(--accent-lime);}
.crumb span.sep{color:rgba(255,255,255,.3);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.36);
  color:var(--accent-lime);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.cat-hero h1{
  margin:18px 0 14px;color:#fff;
  font-size:clamp(28px,4.2vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
  max-width:18em;
}
.cat-hero-sub{max-width:36em;font-size:16.5px;color:rgba(255,255,255,.78);margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.btn-hero-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;border:0;
  background:var(--accent-lime);color:var(--brand-900);font-size:16px;font-weight:800;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-hero-main:hover{color:var(--brand-900);transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(198,242,78,.9);}
.btn-hero-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  background:transparent;border:1.5px solid rgba(255,255,255,.62);
  color:#fff;font-size:16px;font-weight:700;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-hero-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;border-top:1px solid rgba(255,255,255,.14);padding-top:22px;}
.hero-meta li{font-size:13.5px;color:rgba(255,255,255,.66);}
.hero-meta li b{
  display:block;color:#fff;font-size:24px;font-weight:800;
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:2px;
}

/* ---------- 快速跳转 ---------- */
.quick-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.quick-inner{display:flex;align-items:center;gap:10px;padding:14px 0;flex-wrap:wrap;}
.quick-label{font-size:13px;font-weight:800;color:var(--ink-300);letter-spacing:.06em;margin-right:4px;}
.quick-pill{
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;border-radius:999px;
  background:var(--surface-alt);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-600);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.quick-pill:hover{background:var(--brand-050);border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px);}
@media (min-width:992px){
  .quick-bar{position:sticky;top:64px;z-index:1020;box-shadow:0 10px 24px -24px rgba(6,37,28,.6);}
}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0;}
@media (min-width:992px){.section{padding:88px 0;}}
.section-alt{background:var(--surface-alt);}
.section-dark{background:var(--brand-900);color:rgba(255,255,255,.75);}
.section-dark h2,.section-dark h3{color:#fff;}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:800;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;
  width:4px;height:.92em;border-radius:2px;background:var(--accent-lime);
}
.sec-desc{margin-top:12px;font-size:15.5px;color:var(--ink-600);}
.section-dark .sec-desc{color:rgba(255,255,255,.7);}
.grid{display:grid;gap:20px;}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
@media (max-width:1199.98px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:991.98px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:767.98px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}}

.card-base{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card-base:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D3DCD1;}
.card-icon{
  width:42px;height:42px;border-radius:11px;display:inline-flex;
  align-items:center;justify-content:center;font-size:17px;
  background:var(--brand-050);color:var(--brand-500);margin-bottom:16px;
}
.card-base h3{font-size:18px;margin-bottom:8px;}
.card-base p{font-size:14.5px;color:var(--ink-600);line-height:1.74;}

/* ---------- 准备清单 ---------- */
.prep-list{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr));}
@media (max-width:767.98px){.prep-list{grid-template-columns:1fr;}}
.prep-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 22px;
  box-shadow:var(--shadow-1);transition:box-shadow .22s ease,transform .22s ease;
}
.prep-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.prep-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:var(--brand-900);color:var(--accent-lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
}
.prep-item h3{font-size:16.5px;margin-bottom:5px;}
.prep-item p{font-size:14.5px;margin:0;}

/* ---------- 登录步骤 ---------- */
.step-card{position:relative;padding-top:30px;}
.step-tag{
  position:absolute;top:-14px;left:24px;
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:999px;background:var(--brand-900);color:var(--accent-lime);
  font-size:12.5px;font-weight:800;letter-spacing:.04em;
}
.step-card ul{margin-top:14px;border-top:1px dashed var(--line);padding-top:14px;}
.step-card ul li{
  position:relative;padding-left:20px;font-size:14px;color:var(--ink-600);margin-bottom:8px;
}
.step-card ul li:last-child{margin-bottom:0;}
.step-card ul li::before{
  content:"";position:absolute;left:4px;top:.68em;
  width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}

/* ---------- 异常自查 ---------- */
.trouble-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
@media (max-width:767.98px){.trouble-grid{grid-template-columns:1fr;}}
.trouble-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand-500);
  border-radius:12px;padding:16px 18px;
  transition:box-shadow .22s ease,border-left-color .22s ease;
}
.trouble-item:hover{box-shadow:var(--shadow-2);border-left-color:var(--accent-lime);}
.trouble-item i{color:var(--accent-orange);font-size:14px;margin-top:6px;flex:0 0 auto;}
.trouble-item h3{font-size:15.5px;margin-bottom:4px;}
.trouble-item p{font-size:14px;margin:0;color:var(--ink-600);}

/* ---------- 安全设置（深色） ---------- */
.dark-card{
  background:var(--brand-700);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-dark);
  transition:transform .24s ease,background .24s ease;
}
.dark-card:hover{transform:translateY(-3px);background:#0E523D;}
.dark-card .card-icon{background:rgba(198,242,78,.14);color:var(--accent-lime);}
.dark-card h3{font-size:17.5px;margin-bottom:8px;}
.dark-card p{font-size:14.5px;color:rgba(255,255,255,.72);margin:0;}

/* ---------- FAQ ---------- */
.faq-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start;}
@media (max-width:991.98px){.faq-cols{grid-template-columns:1fr;}}
.faq-col{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:#CFD9CD;}
.faq-item.open{box-shadow:var(--shadow-2);}
.faq-q{
  position:relative;width:100%;display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px 18px 22px;border:0;background:transparent;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.6;cursor:pointer;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:transparent;border-radius:0 3px 3px 0;transition:background .22s ease;
}
.faq-q[aria-expanded="true"]{color:var(--brand-500);}
.faq-q[aria-expanded="true"]::before{background:var(--brand-500);}
.faq-q span{flex:1 1 auto;}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;margin-top:5px;color:var(--brand-500);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .26s ease,opacity .26s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{padding:0 22px 20px;font-size:14.5px;color:var(--ink-600);line-height:1.8;}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
@media (max-width:767.98px){.rec-grid{grid-template-columns:1fr;}}
.rec-card{
  display:flex;gap:0;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.rec-card img{
  width:180px;flex:0 0 180px;height:100%;min-height:150px;object-fit:cover;
}
.rec-body{padding:20px 22px;}
.rec-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--brand-050);color:var(--brand-500);
  font-size:12.5px;font-weight:800;margin-bottom:10px;
}
.rec-body h3{font-size:17.5px;margin-bottom:7px;}
.rec-body p{font-size:14px;margin-bottom:12px;}
.rec-link{font-size:14px;font-weight:700;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px;}
.rec-link i{font-size:12px;transition:transform .2s ease;}
.rec-card:hover .rec-link i{transform:translateX(4px);}
@media (max-width:575.98px){
  .rec-card{flex-direction:column;}
  .rec-card img{width:100%;flex:0 0 auto;height:170px;min-height:0;}
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--brand-900);
  background-image:
    repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 64px),
    radial-gradient(90% 120% at 88% 12%,rgba(20,122,85,.42),transparent 62%);
  padding:56px 0;
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;
}
.cta-text h2{color:#fff;font-size:clamp(21px,2.6vw,28px);margin-bottom:8px;}
.cta-text p{color:rgba(255,255,255,.7);font-size:15px;margin:0;max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:767.98px){
  .cta-actions{width:100%;}
  .cta-actions a{flex:1 1 100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 0;}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12);
}
@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;}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand b{color:#fff;font-size:16.5px;font-weight:800;}
.foot-col p{font-size:14px;line-height:1.78;color:rgba(255,255,255,.66);margin:0;max-width:34em;}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);}
.foot-links a:hover{color:var(--accent-lime);}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.55);
}
@media (max-width:575.98px){.foot-bottom{flex-direction:column;}}

/* ---------- 超窄屏 ---------- */
@media (max-width:480px){
  .cat-hero{padding:40px 0 42px;}
  .hero-actions a{width:100%;}
  .hero-meta{gap:18px;}
  .card-base,.dark-card,.prep-item{padding:18px;}
  .section{padding:40px 0;}
}

/* roulang page: category4 */
:root{
  --brand-900:#06251C;
  --brand-700:#0C4534;
  --brand-500:#147A55;
  --brand-050:#E8F4EE;
  --accent-lime:#C6F24E;
  --accent-orange:#FF6B2C;
  --ink-900:#101613;
  --ink-600:#4A5650;
  --ink-300:#9AA6A0;
  --surface:#FFFFFF;
  --surface-alt:#F4F7F2;
  --line:#E2E8E1;
  --r-card:14px;
  --r-big:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(6,37,28,.06);
  --sh-2:0 10px 28px -14px rgba(6,37,28,.22);
  --sh-dark:0 12px 32px -16px rgba(0,0,0,.45);
  --ff:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--ff);font-size:16px;line-height:1.78;
  color:var(--ink-600);background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{color:var(--ink-900);margin:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}

.container{max-width:1200px;padding-left:16px;padding-right:16px;margin:0 auto}
@media (min-width:992px){.container{padding-left:24px;padding-right:24px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(6,37,28,.35)}
.nav-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex-shrink:0;
  background:
    radial-gradient(circle at 70% 30%, var(--accent-lime) 0 18%, transparent 19%),
    linear-gradient(140deg,var(--brand-500),var(--brand-900));
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:7px;right:7px;bottom:9px;height:2px;
  background:rgba(255,255,255,.85);border-radius:2px;
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand-500)}

.nav-menu{display:none;align-items:center;gap:4px;margin-left:8px}
.nav-link-custom{
  position:relative;display:inline-block;line-height:40px;padding:0 12px;
  font-size:15px;color:var(--ink-600);font-weight:600;
}
.nav-link-custom::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--brand-500);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav-link-custom:hover{color:var(--brand-500)}
.nav-link-custom:hover::after{transform:scaleX(1)}
.nav-link-custom.active{color:var(--brand-500)}
.nav-link-custom.active::after{transform:scaleX(1)}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{display:none;align-items:center;gap:8px;background:var(--surface-alt);
  border:1px solid transparent;border-radius:999px;padding:0 14px;height:40px;
  width:220px;transition:width .25s ease,border-color .2s ease,background .2s ease}
.nav-search i{color:var(--ink-300);font-size:13px}
.nav-search input{border:0;background:transparent;outline:0;width:100%;font-size:14px;color:var(--ink-900)}
.nav-search input::placeholder{color:var(--ink-300)}
.nav-search:focus-within{border-color:var(--brand-500);background:#fff;width:280px}
.link-login{font-size:15px;color:var(--ink-600);font-weight:600;padding:0 4px}
.link-login:hover{color:var(--brand-500)}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-lime);color:var(--brand-900)!important;
  font-weight:800;font-size:14px;border:0;border-radius:999px;
  padding:0 18px;height:40px;transition:transform .18s ease,box-shadow .18s ease;
}
.btn-lime:hover{transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(6,37,28,.6)}
.nav-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);font-size:16px;display:inline-flex;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-500)}

.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:10px 0 16px;
}
.nav-drawer.open{display:block}
.nav-drawer a{
  display:block;padding:12px 16px;font-weight:600;color:var(--ink-900);
  border-radius:10px;
}
.nav-drawer a:hover{background:var(--surface-alt);color:var(--brand-500)}
.nav-drawer a.active{color:var(--brand-500);background:var(--brand-050)}
.nav-drawer .drawer-cta{
  margin:12px 16px 0;text-align:center;background:var(--accent-lime);
  color:var(--brand-900);border-radius:999px;font-weight:800;
}

@media (min-width:992px){
  .nav-menu{display:flex}
  .nav-search{display:flex}
  .nav-toggle{display:none}
  .nav-drawer{display:none!important}
  .nav-inner{height:64px}
}
@media (max-width:991.98px){
  .nav-inner{height:56px}
  .link-login{display:none}
  .btn-lime{display:none}
}

/* ---------- hero ---------- */
.cat-hero{position:relative;background:var(--brand-900);overflow:hidden;color:#fff}
.cat-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.34;filter:saturate(.9);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,37,28,.72),rgba(6,37,28,.94));
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 0 60px}
.crumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--accent-lime)}
.crumb span.sep{margin:0 8px;color:rgba(255,255,255,.35)}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,44px);font-weight:800;
  line-height:1.18;letter-spacing:-.01em;max-width:16em;
}
.hero-sub{
  margin-top:14px;font-size:17px;color:rgba(255,255,255,.76);max-width:34em;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-badges .badge-item{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.18);border-radius:999px;
  padding:8px 14px;font-size:13px;color:rgba(255,255,255,.82);
  background:rgba(255,255,255,.04);
}
.hero-badges .badge-item b{color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-500);color:#fff!important;font-weight:700;font-size:15px;
  border:0;border-radius:var(--r-btn);padding:0 22px;height:46px;
  transition:background .2s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-solid:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(6,37,28,.7)}
.btn-lime-lg{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-lime);color:var(--brand-900)!important;font-weight:800;
  font-size:15px;border:0;border-radius:999px;padding:0 24px;height:46px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-lime-lg:hover{transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(198,242,78,.7)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff!important;font-weight:700;font-size:15px;
  border:1.5px solid rgba(255,255,255,.55);border-radius:var(--r-btn);
  padding:0 22px;height:46px;transition:border-color .2s ease,background .2s ease;
}
.btn-ghost:hover{border-color:var(--accent-lime);background:rgba(255,255,255,.06)}
.btn-outline-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand-700)!important;font-weight:700;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-btn);padding:0 22px;height:46px;
  transition:border-color .2s ease,transform .18s ease;
}
.btn-outline-dark:hover{border-color:var(--brand-500);transform:translateY(-1px)}

/* ---------- sections ---------- */
.section{padding:48px 0}
.section-alt{background:var(--surface-alt)}
.section-dark{background:var(--brand-900);color:#fff}
@media (min-width:992px){.section{padding:88px 0}}
.sec-head{margin-bottom:28px;max-width:760px}
.sec-head h2{
  font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.25;
  padding-left:14px;position:relative;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--accent-lime);
}
.sec-head p{margin-top:12px;font-size:15px;color:var(--ink-600)}
.section-dark .sec-head h2,.section-dark h2,.section-dark h3{color:#fff}
.section-dark .sec-head p{color:rgba(255,255,255,.72)}
.section-dark .sec-head h2::before{background:var(--brand-500)}

/* ---------- chip bar ---------- */
.chip-bar{background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.chip-row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;font-weight:600;color:var(--ink-600);
  cursor:pointer;transition:all .2s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-500)}
.chip.active{background:var(--brand-050);border-color:var(--brand-050);color:var(--brand-500)}
.chip i{font-size:12px;color:var(--ink-300)}
.chip.active i{color:var(--brand-500)}

/* ---------- tutorial cards ---------- */
.tut-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tut-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d6e2da}
.tut-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-050)}
.tut-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.tut-card:hover .tut-thumb img{transform:scale(1.04)}
.tut-tag{
  position:absolute;left:12px;top:12px;background:var(--brand-050);color:var(--brand-500);
  font-size:12px;font-weight:700;border-radius:999px;padding:5px 11px;
}
.tut-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.tut-body h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:8px}
.tut-body p{font-size:14px;color:var(--ink-600);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tut-meta{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--ink-300);font-variant-numeric:tabular-nums;
}
.tut-meta i{color:var(--brand-500);font-size:12px}

/* ---------- path ---------- */
.path-wrap{display:grid;gap:18px}
@media (min-width:768px){.path-wrap{grid-template-columns:repeat(4,1fr)}}
.path-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 20px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.path-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.path-num{
  width:38px;height:38px;border-radius:999px;display:flex;align-items:center;
  justify-content:center;font-weight:800;font-size:15px;color:var(--brand-900);
  background:var(--accent-lime);font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.path-item h3{font-size:17px;margin-bottom:8px}
.path-item p{font-size:14px;color:var(--ink-600);margin:0}

/* ---------- scenario strip ---------- */
.strip-list{display:grid;gap:14px}
@media (min-width:768px){.strip-list{grid-template-columns:repeat(2,1fr)}}
.strip{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);
}
.strip-ico{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:var(--brand-050);
  color:var(--brand-500);display:flex;align-items:center;justify-content:center;font-size:16px;
}
.strip h3{font-size:16px;margin-bottom:6px}
.strip p{font-size:14px;margin:0;color:var(--ink-600)}

/* ---------- stats ---------- */
.stats-grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media (min-width:992px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat-card{
  background:var(--brand-700);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-dark);
}
.stat-card b{
  display:block;font-size:clamp(24px,3.4vw,34px);font-weight:800;color:var(--accent-lime);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-card span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}
.quote-panel{
  margin-top:20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-card);padding:22px 24px;
}
.quote-panel p{color:rgba(255,255,255,.82);font-size:15px;margin:0}
.stars{color:var(--accent-orange);font-size:13px;margin-bottom:10px;letter-spacing:2px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;transition:border-color .2s ease}
.faq-item.open{border-color:var(--brand-500)}
.faq-q{
  width:100%;text-align:left;background:#fff;border:0;padding:18px 20px 18px 22px;
  display:flex;align-items:center;gap:16px;font-size:16px;font-weight:700;
  color:var(--ink-900);cursor:pointer;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;
  background:transparent;transition:background .2s ease;
}
.faq-item.open .faq-q::before{background:var(--brand-500)}
.faq-item.open .faq-q{color:var(--brand-500)}
.faq-q i{margin-left:auto;color:var(--ink-300);font-size:14px;transition:transform .25s ease}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--ink-600);line-height:1.78}

/* ---------- cta ---------- */
.cta-band{
  background:var(--brand-900);border-radius:var(--r-big);padding:36px 24px;
  display:grid;gap:26px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);
  opacity:.7;
}
.cta-band > *{position:relative;z-index:2}
@media (min-width:992px){.cta-band{grid-template-columns:1.6fr auto;align-items:center;padding:44px 44px}}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.3}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:575.98px){
  .cta-actions{flex-direction:column}
  .cta-actions a{width:100%}
}
.qr-box{
  width:160px;height:160px;border-radius:12px;background:var(--surface-alt);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:13px;color:var(--ink-300);padding:12px;line-height:1.6;
}
.verify-line{
  margin-top:16px;font-size:13px;color:rgba(255,255,255,.6);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}

/* ---------- related ---------- */
.rel-grid{display:grid;gap:16px}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
.rel-link{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d6e2da}
.rel-ico{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:var(--brand-900);color:var(--accent-lime);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.rel-link b{display:block;font-size:16px;color:var(--ink-900)}
.rel-link span{font-size:13px;color:var(--ink-300)}
.rel-link i.go{margin-left:auto;color:var(--ink-300);font-size:13px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:48px 0 0;margin-top:0}
.foot-grid{display:grid;gap:28px}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr};padding-bottom:16px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand b{color:#fff;font-size:17px;font-weight:800}
.site-footer p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.foot-title{color:#fff;font-size:14px;font-weight:800;margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:rgba(255,255,255,.72);font-size:14px}
.foot-links a:hover{color:var(--accent-lime)}
.foot-bottom{
  margin-top:28px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);font-variant-numeric:tabular-nums;
}
@media (max-width:575.98px){
  .hero-cta{flex-direction:column}
  .hero-cta a{width:100%}
  .qr-box{width:100%;max-width:160px}
}