/* roulang page: index */
:root{
  --brand-ink:#0D2A24;
  --brand-ink-2:#123a31;
  --brand-accent:#C8FF3D;
  --brand-second:#FF5C29;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --border:#E3E7E1;
  --text:#1C2320;
  --muted:#5C6B64;
  --on-dark:#E8F1EC;
  --on-dark-muted:#A9BDB4;
  --radius-card:18px;
  --radius-img:14px;
  --radius-block:24px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(13,42,36,.07);
  --shadow-2:0 16px 40px rgba(13,42,36,.13);
  --gap:24px;
  --sec:88px;
  --font-cn:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate","Arial Narrow",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:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-second)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--brand-ink);letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container-x{max-width:1320px}}
@media (max-width:575px){.container-x{padding-left:16px;padding-right:16px}}

.section{padding:var(--sec) 0}
.section-tight{padding:56px 0}
.section-ink{background:var(--brand-ink);color:var(--on-dark)}
.section-ink h2,.section-ink h3{color:#fff}
@media (max-width:991px){:root{--sec:64px}}
@media (max-width:575px){:root{--sec:52px}}

/* 顶部公告条 */
.topbar{background:var(--brand-ink);color:var(--on-dark-muted);height:36px;display:flex;align-items:center;font-size:13px}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-accent);flex:0 0 auto}
.topbar a{color:var(--brand-accent);font-weight:600}
.topbar a:hover{color:#fff}
@media (max-width:767px){.topbar{display:none}}

/* 导航 */
.site-nav{
  position:sticky;top:0;z-index:1030;
  background:var(--brand-ink);
  border-bottom:1px solid rgba(200,255,61,.22);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand-accent),#8fd41a);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;white-space:nowrap}
.brand-latin{font-family:var(--font-num);color:var(--brand-accent);font-weight:700;margin-right:2px}
.nav-channels{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-channels a{
  position:relative;display:inline-block;color:var(--on-dark);
  font-size:15px;font-weight:500;padding:22px 0;
}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:3px;
  border-radius:3px;background:var(--brand-accent);transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav-channels a:hover{color:#fff}
.nav-channels a:hover::after{transform:scaleX(1)}
.nav-channels a.active{color:#fff;font-weight:700}
.nav-channels a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative}
.nav-search input{
  width:220px;height:40px;border-radius:var(--radius-pill);
  border:1px solid rgba(200,255,61,.28);background:rgba(255,255,255,.06);
  color:#fff;padding:0 40px 0 16px;font-size:14px;transition:width .25s ease,border-color .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:var(--on-dark-muted)}
.nav-search input:focus{width:320px;outline:none;border-color:var(--brand-accent);background:rgba(255,255,255,.1)}
.nav-search i{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--brand-accent);font-size:14px}
.nav-login{color:var(--on-dark);font-size:15px;font-weight:500;white-space:nowrap}
.nav-login:hover{color:var(--brand-accent)}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid rgba(200,255,61,.3);
  background:transparent;color:var(--brand-accent);font-size:17px;
}
@media (max-width:1199px){.nav-search{display:none}}
@media (max-width:991px){
  .nav-inner{height:56px}
  .nav-channels,.nav-login{display:none}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center}
  .brand-text{font-size:17px}
}
.offcanvas.mobile-nav{background:var(--brand-ink);color:var(--on-dark);width:300px}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(200,255,61,.2)}
.mobile-nav .offcanvas-title{color:#fff;font-weight:800;font-size:18px}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.mobile-nav-list a{
  display:flex;align-items:center;justify-content:space-between;
  color:var(--on-dark);font-size:17px;font-weight:600;padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-nav-list a.active,.mobile-nav-list a:hover{color:var(--brand-accent)}
.mobile-nav-foot{padding-top:20px}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-x:active{transform:scale(.98)}
.btn-accent{background:var(--brand-accent);color:var(--brand-ink);box-shadow:0 10px 24px rgba(200,255,61,.22)}
.btn-accent:hover{background:#d6ff66;color:var(--brand-ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(200,255,61,.3)}
.btn-orange{background:var(--brand-second);color:#fff}
.btn-orange:hover{background:#ff7449;color:#fff;transform:translateY(-2px)}
.btn-ink{background:var(--brand-ink);color:#fff}
.btn-ink:hover{background:var(--brand-ink-2);color:#fff;transform:translateY(-2px)}
.btn-line{border-color:rgba(13,42,36,.22);color:var(--brand-ink);background:transparent}
.btn-line:hover{border-color:var(--brand-ink);background:rgba(13,42,36,.04);color:var(--brand-ink);transform:translateY(-2px)}
.btn-line-light{border-color:rgba(232,241,236,.4);color:var(--on-dark);background:transparent}
.btn-line-light:hover{border-color:var(--brand-accent);color:var(--brand-accent);transform:translateY(-2px)}
.btn-sm-nav{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

/* 徽章与标签 */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-accent{background:var(--brand-accent);color:var(--brand-ink)}
.badge-line{border:1px solid var(--border);color:var(--muted);background:#fff}
.badge-orange{background:rgba(255,92,41,.12);color:#c8420f}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--radius-pill);
  border:1px solid var(--border);background:#fff;color:var(--muted);font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.chip:hover,.chip.active{background:var(--brand-ink);color:#fff;border-color:var(--brand-ink)}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(13,42,36,.78),rgba(13,42,36,.68)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:84px 0 88px;color:var(--on-dark);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(200,255,61,.09) 0 2px,transparent 2px 14px);
  opacity:.9;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(200,255,61,.16);box-shadow:0 0 0 60px rgba(200,255,61,.04),0 0 0 140px rgba(200,255,61,.03);
  pointer-events:none;
}
.hero .container-x{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;color:#fff;
  letter-spacing:-.01em;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--brand-accent)}
.hero-sub{font-size:17px;line-height:1.85;color:var(--on-dark);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-spec{font-size:13px;color:var(--on-dark-muted);margin-bottom:20px;letter-spacing:.01em}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px;padding-top:22px;border-top:1px solid rgba(232,241,236,.18)}
.hero-trust .t-item strong{display:block;font-family:var(--font-num);font-size:22px;color:var(--brand-accent);line-height:1.2}
.hero-trust .t-item span{font-size:13px;color:var(--on-dark-muted)}
.hero-visual{position:relative}
.hero-visual::before{
  content:"";position:absolute;inset:-24px -18px -18px -24px;border-radius:var(--radius-block);
  background-image:repeating-linear-gradient(45deg,rgba(200,255,61,.12) 0 2px,transparent 2px 16px);
  z-index:0;
}
.device-frame{
  position:relative;z-index:1;background:#fff;border-radius:var(--radius-block);
  padding:12px;box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.device-frame img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);
  background:#e7ece5;
}
.device-caption{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 8px 4px;font-size:13px;color:var(--muted);
}
.device-caption span:first-child{font-weight:700;color:var(--brand-ink)}
@media (max-width:991px){
  .hero{padding:56px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-x{width:100%}
}
@media (max-width:575px){
  .hero-trust{gap:18px}
  .hero-trust .t-item{flex:1 1 40%}
}

/* 价值条 */
.value-strip{background:var(--bg);padding:var(--sec) 0 0}
.value-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 22px;height:100%;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,255,61,.6)}
.value-card .v-ico{
  width:44px;height:44px;border-radius:12px;background:rgba(200,255,61,.22);
  display:flex;align-items:center;justify-content:center;color:var(--brand-ink);font-size:18px;margin-bottom:16px;
}
.value-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.value-card p{font-size:14px;color:var(--muted);line-height:1.8}
.value-strip .row.stagger>*:nth-child(2){transform:translateY(18px)}
.value-strip .row.stagger>*:nth-child(4){transform:translateY(18px)}
@media (max-width:991px){
  .value-strip .row.stagger>*{transform:none!important}
}

/* 板块标题 */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .sh-left{max-width:640px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-second);
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;
}
.section-eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand-second)}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700}
.section-head p{font-size:15px;color:var(--muted);margin-top:12px}
.section-ink .section-eyebrow{color:var(--brand-accent)}
.section-ink .section-eyebrow::before{background:var(--brand-accent)}
.section-ink .section-head p{color:var(--on-dark-muted)}
.link-more{font-size:14px;font-weight:700;color:var(--brand-ink);white-space:nowrap}
.link-more:hover{color:var(--brand-second)}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:26px}
}

/* 截图轮播 */
.shot-carousel .carousel-inner{border-radius:var(--radius-block)}
.shot-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:center;padding:6px 0}
.shot{
  position:relative;border-radius:20px;overflow:hidden;background:#e7ece5;
  border:1px solid var(--border);transition:transform .3s ease,box-shadow .3s ease;
}
.shot img{width:100%;aspect-ratio:9/19.5;object-fit:cover}
.shot.center{transform:scale(1.04);box-shadow:var(--shadow-2);border-color:rgba(200,255,61,.7)}
.shot-tag{
  position:absolute;left:12px;top:12px;background:rgba(13,42,36,.82);color:var(--brand-accent);
  font-size:12px;font-weight:700;padding:5px 10px;border-radius:6px;
}
.shot-carousel .carousel-control-prev,.shot-carousel .carousel-control-next{
  width:44px;height:44px;border-radius:50%;border:1.5px solid var(--brand-accent);
  background:rgba(13,42,36,.5);opacity:1;top:50%;transform:translateY(-50%);
}
.shot-carousel .carousel-control-prev{left:-10px}
.shot-carousel .carousel-control-next{right:-10px}
.shot-carousel .carousel-control-prev i,.shot-carousel .carousel-control-next i{color:var(--brand-accent);font-size:16px}
.shot-carousel .carousel-indicators{position:static;margin:26px 0 0;gap:8px}
.shot-carousel .carousel-indicators [data-bs-target]{
  width:24px;height:5px;border-radius:var(--radius-pill);background:#4A5C55;border:0;opacity:1;margin:0;
}
.shot-carousel .carousel-indicators .active{background:var(--brand-accent);width:34px}
.shot-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
@media (max-width:991px){
  .shot-row{grid-template-columns:1fr;max-width:320px;margin:0 auto}
  .shot-row .shot:not(.center){display:none}
  .shot.center{transform:none}
  .shot-carousel .carousel-control-prev{left:2px}
  .shot-carousel .carousel-control-next{right:2px}
}

/* 系统要求 */
.req-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px 22px;height:100%;position:relative;overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.req-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand-accent),var(--brand-second));
}
.req-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.req-card h3{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.req-card h3 i{color:var(--brand-second)}
.req-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed var(--border)}
.req-row:last-child{border-bottom:0}
.req-row dt{font-size:14px;color:var(--muted);font-weight:400}
.req-row dd{margin:0;font-size:14px;font-weight:700;color:var(--text);font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* 交替图文 */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.feature-row+.feature-row{margin-top:64px}
.feature-media{border-radius:var(--radius-block);overflow:hidden;background:#e7ece5;box-shadow:var(--shadow-1)}
.feature-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.feature-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:700;margin-bottom:14px;line-height:1.35}
.feature-body p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:18px}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--text);padding:6px 0}
.feature-list li i{color:var(--brand-second);margin-top:6px;font-size:12px}
.feature-row.reverse .feature-media{order:2}
@media (max-width:991px){
  .feature-row{grid-template-columns:1fr;gap:24px}
  .feature-row.reverse .feature-media{order:0}
  .feature-row+.feature-row{margin-top:44px}
}

/* 资讯卡片 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,255,61,.6)}
.post-card .pc-cover{position:relative;overflow:hidden;background:#e7ece5}
.post-card .pc-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease}
.post-card:hover .pc-cover img{transform:scale(1.05)}
.post-card .pc-badge{position:absolute;left:12px;top:12px}
.post-card .pc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-card h3{
  font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover h3{color:var(--brand-ink)}
.post-card h3 a{position:relative}
.post-card:hover h3 a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--brand-accent);border-radius:2px;
}
.post-card .pc-excerpt{
  font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .pc-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);border-top:1px solid var(--border);padding-top:14px;
}
.post-card .pc-meta .pc-go{color:var(--brand-ink);font-weight:700}
.post-card .pc-go i{transition:transform .2s ease;display:inline-block}
.post-card:hover .pc-go i{transform:translateX(3px);color:var(--brand-second)}
.empty-state{
  text-align:center;padding:56px 20px;background:var(--surface);
  border:1px dashed var(--border);border-radius:var(--radius-card);width:100%;
}
.empty-state i{font-size:30px;color:var(--muted);margin-bottom:14px;display:block}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px}

/* 评价墙 */
.review-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px;height:100%;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;flex:0 0 auto;background:#e7ece5}
.review-avatar img{width:100%;height:100%;object-fit:cover}
.review-name{font-size:15px;font-weight:700;color:var(--brand-ink)}
.review-role{font-size:12.5px;color:var(--muted)}
.review-stars{color:var(--brand-accent);font-size:13px;letter-spacing:2px;margin-bottom:10px}
.review-text{font-size:14.5px;color:var(--text);line-height:1.8;margin-bottom:16px}
.review-foot{font-size:12.5px;color:var(--muted);border-top:1px solid var(--border);padding-top:12px}
.review-card.tall .review-text{font-size:15px;line-height:1.9}
@media (max-width:575px){
  .review-text{font-size:15px}
}

/* 下载区 */
.download-block{
  background:linear-gradient(135deg,var(--brand-ink),#14453a);
  border-radius:var(--radius-block);padding:44px;color:var(--on-dark);
  position:relative;overflow:hidden;
}
.download-block::before{
  content:"";position:absolute;right:-100px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(200,255,61,.14);box-shadow:0 0 0 50px rgba(200,255,61,.04),0 0 0 110px rgba(200,255,61,.03);
}
.download-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr auto;gap:36px;align-items:center}
.download-block h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:800;margin-bottom:10px}
.download-block .dl-meta{font-size:14px;color:var(--on-dark-muted)}
.dl-actions{display:flex;flex-wrap:wrap;gap:12px}
.qr-box{
  width:160px;height:160px;background:#fff;border-radius:12px;padding:10px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(0,0,0,.25);
}
.qr-box svg{width:100%;height:100%}
.qr-hint{font-size:12px;color:var(--on-dark-muted);text-align:center;margin-top:8px}
@media (max-width:991px){
  .download-block{padding:30px 22px}
  .download-grid{grid-template-columns:1fr;gap:24px;text-align:left}
  .qr-box{margin:0 auto}
  .dl-actions .btn-x{flex:1 1 100%}
}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-wrap .accordion-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;
}
.faq-wrap .accordion-button{
  background:var(--surface);color:var(--brand-ink);font-size:16px;font-weight:700;
  padding:20px 22px;box-shadow:none;border-radius:var(--radius-card)!important;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-wrap .accordion-button::after{display:none}
.faq-wrap .accordion-button .faq-ico{
  width:26px;height:26px;border-radius:50%;border:1.5px solid var(--border);flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;color:var(--brand-ink);font-size:12px;
  transition:all .25s ease;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand-ink);background:#fff;box-shadow:none}
.faq-wrap .accordion-button:not(.collapsed) .faq-ico{background:var(--brand-accent);border-color:var(--brand-accent)}
.faq-wrap .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--muted)}
.faq-wrap .accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid var(--brand-accent)}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:none}
.faq-wrap .accordion-button:focus-visible{outline:2px solid var(--brand-accent);outline-offset:-2px}

/* 页脚 */
.site-footer{background:var(--brand-ink);color:var(--on-dark-muted);position:relative;padding-top:64px}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand-accent),rgba(200,255,61,.1) 70%,transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-text{font-size:18px}
.footer-brand p{font-size:14px;line-height:1.85;margin:16px 0 20px;color:var(--on-dark-muted);max-width:320px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(200,255,61,.24);
  display:flex;align-items:center;justify-content:center;color:var(--on-dark-muted);font-size:14px;
}
.footer-social a:hover{background:var(--brand-accent);color:var(--brand-ink);border-color:var(--brand-accent)}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--on-dark-muted)}
.footer-col a:hover{color:var(--brand-accent)}
.footer-col .contact-line{font-size:14px;color:var(--on-dark-muted);margin-bottom:11px;display:flex;gap:8px;align-items:flex-start}
.footer-col .contact-line i{color:var(--brand-accent);margin-top:6px;font-size:12px}
.footer-bottom{
  border-top:1px solid rgba(232,241,236,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--on-dark-muted);
}
.footer-bottom a{color:var(--on-dark-muted)}
.footer-bottom a:hover{color:var(--brand-accent)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
}

/* 移动端底部悬浮条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;display:none;
  background:#fff;box-shadow:0 -8px 24px rgba(13,42,36,.12);
  padding:10px 16px;align-items:center;gap:12px;
}
.mobile-bar .mb-ver{font-size:13px;color:var(--muted);line-height:1.4}
.mobile-bar .mb-ver strong{display:block;color:var(--brand-ink);font-family:var(--font-num);font-size:15px}
.mobile-bar .btn-x{flex:1;height:44px}
.mobile-bar .mb-close{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--border);background:#fff;
  color:var(--muted);font-size:12px;flex:0 0 auto;
}
@media (max-width:575px){
  .mobile-bar{display:flex}
  body{padding-bottom:70px}
}

/* 进入动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --brand-ink:#0D2A24;
  --brand-accent:#C8FF3D;
  --brand-second:#FF5C29;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --border:#E3E7E1;
  --text:#1C2320;
  --muted:#5C6B64;
  --on-dark:#E8F1EC;
  --on-dark-muted:#A9BDB4;
  --radius-card:18px;
  --radius-lg:24px;
  --radius-img:14px;
  --shadow-1:0 8px 24px rgba(13,42,36,.07);
  --shadow-2:0 16px 40px rgba(13,42,36,.13);
  --space-block:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-second);}
button,input{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--brand-ink);}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px;border-radius:6px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:"Oswald","Barlow Condensed","DIN Alternate",sans-serif;font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-x:hover{transform:translateY(-2px);}
.btn-x:active{transform:scale(.98);}
.btn-accent{background:var(--brand-accent);color:var(--brand-ink);}
.btn-accent:hover{background:#D6FF68;color:var(--brand-ink);box-shadow:0 12px 26px rgba(200,255,61,.28);}
.btn-ghost{background:transparent;border-color:rgba(232,241,236,.38);color:var(--on-dark);}
.btn-ghost:hover{border-color:var(--brand-accent);color:var(--brand-accent);background:rgba(200,255,61,.06);}
.btn-outline-ink{background:#fff;border-color:var(--border);color:var(--brand-ink);}
.btn-outline-ink:hover{border-color:var(--brand-accent);color:var(--brand-ink);box-shadow:var(--shadow-1);}
.btn-sm-nav{padding:9px 20px;font-size:14px;}

/* ============ 导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:1030;
  background:var(--brand-ink);
  border-bottom:1px solid rgba(200,255,61,.22);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;}
.brand:hover{color:#fff;}
.brand-mark{
  width:30px;height:30px;border-radius:10px;background:var(--brand-accent);
  display:grid;place-items:center;flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-latin{font-family:"Oswald",sans-serif;color:var(--brand-accent);letter-spacing:.02em;}
.nav-channels{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0;}
.nav-channels a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--on-dark-muted);
}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--brand-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-channels a:hover,.nav-channels a.active{color:#fff;}
.nav-channels a:hover::after,.nav-channels a.active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:220px;height:40px;border-radius:999px;padding:0 40px 0 16px;font-size:14px;
  border:1px solid rgba(200,255,61,.25);background:rgba(255,255,255,.06);color:#fff;
  transition:width .25s ease,border-color .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:rgba(232,241,236,.55);}
.nav-search input:focus{width:320px;outline:none;border-color:var(--brand-accent);background:rgba(255,255,255,.1);}
.nav-search i{position:absolute;right:16px;color:var(--brand-accent);font-size:14px;pointer-events:none;}
.nav-login{font-size:15px;color:var(--on-dark-muted);white-space:nowrap;}
.nav-login:hover{color:var(--brand-accent);}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:12px;place-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(200,255,61,.22);color:var(--brand-accent);
  font-size:17px;cursor:pointer;
}
.nav-burger:hover{background:rgba(200,255,61,.14);}
.nav-drawer{background:var(--brand-ink);color:var(--on-dark);width:86vw;max-width:360px;}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(200,255,61,.2);padding:18px 20px;}
.nav-drawer .offcanvas-body{padding:16px 20px 28px;}
.drawer-brand{font-size:17px;font-weight:800;color:#fff;}
.btn-close-x{
  width:38px;height:38px;border-radius:12px;border:1px solid rgba(200,255,61,.25);
  background:transparent;color:var(--brand-accent);cursor:pointer;
}
.drawer-nav{list-style:none;margin:0;padding:0;}
.drawer-nav a{
  display:block;padding:16px 4px;font-size:18px;font-weight:600;color:var(--on-dark);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand-accent);}
.drawer-foot{margin-top:24px;}
.drawer-tip{margin-top:18px;font-size:13.5px;color:var(--on-dark-muted);}

/* ============ 面包屑 ============ */
.crumb-wrap{background:var(--surface);border-bottom:1px solid var(--border);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:16px 0;font-size:14px;color:var(--muted);}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#BFC9C2;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-ink);}
.crumb .current{color:var(--muted);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-head{padding:52px 0 4px;}
.article-head-inner{max-width:820px;margin:0 auto;}
.badge-cat{
  display:inline-block;padding:5px 12px;border-radius:6px;font-size:13px;font-weight:700;
  background:var(--brand-accent);color:var(--brand-ink);letter-spacing:.02em;
}
.article-head h1{
  font-size:clamp(28px,3.8vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 16px;
}
.article-sub{
  font-size:16.5px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;
  margin-top:26px;padding-top:20px;border-top:1px solid var(--border);
  font-size:14px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item i{color:var(--brand-second);font-size:13px;}
.share-group{margin-left:auto;display:flex;align-items:center;gap:10px;}
.share-label{font-size:13.5px;color:var(--muted);}
.share-btn{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  background:#fff;border:1px solid var(--border);color:var(--brand-ink);font-size:14px;
  transition:transform .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
}
.share-btn:hover{transform:translateY(-2px);border-color:var(--brand-accent);background:var(--brand-accent);}
.share-btn.copied{background:var(--brand-ink);color:var(--brand-accent);border-color:var(--brand-ink);}

/* ============ 正文 ============ */
.reading{padding:40px 0 8px;}
.reading-inner{
  max-width:820px;margin:0 auto;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:46px 50px 52px;box-shadow:var(--shadow-1);
}
.article-body{font-size:16.5px;line-height:1.95;color:#22302A;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;
  margin:1.9em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:var(--brand-accent);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:700;margin:1.5em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;margin:1.3em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul{list-style:square;}
.article-body ul li::marker{color:#A8D62F;}
.article-body ol li::marker{color:var(--brand-second);font-weight:700;}
.article-body li{margin:.4em 0;}
.article-body blockquote{
  margin:1.7em 0;padding:18px 24px;border-left:4px solid var(--brand-accent);
  background:#F1F5EE;border-radius:16px;color:#2C3B34;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.7em auto .7em;background:#E8EDE6;}
.article-body figure{margin:1.7em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:-.2em;}
.article-body a{color:var(--brand-ink);border-bottom:2px solid rgba(200,255,61,.85);}
.article-body a:hover{color:var(--brand-second);border-bottom-color:var(--brand-second);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.7em 0;font-size:15px;
  border:1px solid var(--border);border-radius:var(--radius-img);overflow:hidden;background:#fff;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);}
.article-body th{background:#F0F3EE;color:var(--brand-ink);font-weight:700;}
.article-body tr:last-child td{border-bottom:none;}
.empty-state{padding:26px 0 8px;text-align:center;}
.empty-state i{font-size:34px;color:var(--brand-second);}
.empty-state h2{font-size:22px;font-weight:700;margin:16px 0 10px;padding:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--muted);font-size:15.5px;max-width:460px;margin:0 auto 22px;}

/* ============ 标签 ============ */
.article-tags{
  max-width:820px;margin:30px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.tag-label{font-size:13.5px;color:var(--muted);letter-spacing:.04em;}
.tag-x{
  display:inline-block;padding:7px 16px;border-radius:999px;font-size:13.5px;
  background:#fff;border:1px solid var(--border);color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag-x:hover{border-color:var(--brand-accent);color:var(--brand-ink);background:#FAFDF3;}

/* ============ 上下篇 ============ */
.nextprev{max-width:820px;margin:26px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.np-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.np-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,255,61,.9);color:inherit;}
.np-label{font-size:13px;font-weight:700;color:var(--brand-second);letter-spacing:.04em;}
.np-title{font-size:17px;font-weight:700;color:var(--brand-ink);margin-top:10px;line-height:1.5;}
.np-desc{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.7;}
.np-card:hover .np-title{text-decoration:underline;text-decoration-color:var(--brand-accent);text-decoration-thickness:2px;text-underline-offset:4px;}

/* ============ 板块与卡片 ============ */
.section{padding:var(--space-block) 0;}
.section-tight{padding:64px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;}
.sec-head p{margin-top:8px;font-size:15px;color:var(--muted);}
.sec-link{font-size:14.5px;font-weight:700;display:inline-flex;align-items:center;gap:7px;color:var(--brand-ink);}
.sec-link:hover{color:var(--brand-second);}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;color:inherit;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,255,61,.8);color:inherit;}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:#E8EDE6;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.rec-cat{
  align-self:flex-start;font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:6px;
  border:1px solid rgba(200,255,61,.85);color:#4B6A1E;background:#F7FFE4;
}
.rec-body h3{font-size:17px;line-height:1.5;font-weight:700;margin:12px 0 8px;}
.rec-card:hover h3{text-decoration:underline;text-decoration-color:var(--brand-accent);text-decoration-thickness:2px;text-underline-offset:4px;}
.rec-body p{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.rec-meta i{color:var(--brand-second);}

/* ============ CTA 区块 ============ */
.cta-band{padding:0 0 88px;}
.cta-box{
  position:relative;overflow:hidden;background:var(--brand-ink);border-radius:var(--radius-lg);
  padding:48px 50px;color:var(--on-dark);
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
}
.cta-box::before{
  content:"";position:absolute;inset:0;opacity:.1;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(200,255,61,.55) 0 2px,transparent 2px 16px);
}
.cta-copy{position:relative;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:12px;}
.cta-copy p{color:var(--on-dark-muted);font-size:15.5px;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--brand-ink);color:var(--on-dark-muted);padding:60px 0 0;margin-top:8px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand-accent),var(--brand-second));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:340px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(200,255,61,.16);color:var(--on-dark-muted);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--brand-accent);color:var(--brand-ink);border-color:var(--brand-accent);transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14.5px;color:var(--on-dark-muted);}
.footer-col a:hover{color:var(--brand-accent);}
.contact-line{display:flex;gap:10px;font-size:14.5px;line-height:1.7;margin-bottom:12px;}
.contact-line i{color:var(--brand-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;font-size:13px;
}
.footer-bottom span{color:rgba(169,189,180,.85);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-channels{gap:20px;}
  .nav-search input{width:180px;}
  .nav-search input:focus{width:240px;}
}
@media (max-width:991px){
  :root{--space-block:64px;}
  .nav-channels,.nav-search,.nav-login,.btn-sm-nav{display:none;}
  .nav-burger{display:grid;}
  .nav-inner{height:60px;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .reading-inner{padding:34px 28px 40px;}
  .article-head{padding:38px 0 0;}
  .cta-box{padding:36px 32px;}
}
@media (max-width:767px){
  .container-x{padding:0 16px;}
  .article-body{font-size:15.5px;}
  .nextprev{grid-template-columns:1fr;}
  .share-group{margin-left:0;width:100%;}
}
@media (max-width:575px){
  :root{--space-block:52px;}
  .rec-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .reading-inner{padding:26px 20px 32px;}
  .article-head h1{font-size:26px;}
  .cta-box{padding:30px 22px;border-radius:var(--radius-card);}
  .cta-actions .btn-x{width:100%;}
  .sec-head{align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category1 */
:root{
  --brand-ink:#0D2A24;
  --brand-accent:#C8FF3D;
  --brand-second:#FF5C29;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --border:#E3E7E1;
  --text:#1C2320;
  --muted:#5C6B64;
  --on-dark:#E8F1EC;
  --on-dark-muted:#A9BDB4;
  --radius-card:18px;
  --radius-img:14px;
  --radius-block:24px;
  --shadow-1:0 8px 24px rgba(13,42,36,.07);
  --shadow-2:0 16px 40px rgba(13,42,36,.13);
  --gap-block:88px;
  --font-cn:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font-cn);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-ink);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-second)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--brand-ink);font-weight:700}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25}
h3{font-size:20px;line-height:1.4}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1320px}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--brand-ink);color:var(--on-dark-muted);font-size:12.5px;height:36px;display:flex;align-items:center;border-bottom:1px solid rgba(200,255,61,.14)}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar strong{color:var(--brand-accent);font-weight:600}
.topbar a{color:var(--on-dark-muted);font-size:12.5px}
.topbar a:hover{color:var(--brand-accent)}
@media (max-width:767.98px){.topbar{display:none}}

/* ---------- 导航 ---------- */
.site-nav{position:sticky;top:0;z-index:1040;background:var(--brand-ink);border-bottom:1px solid rgba(200,255,61,.22)}
.nav-inner{display:flex;align-items:center;gap:14px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand-accent);display:grid;place-items:center}
.brand-mark svg{width:19px;height:19px}
.brand-text{color:#fff;font-size:19px;font-weight:800;letter-spacing:-.01em}
.brand-latin{font-family:var(--font-num);color:var(--brand-accent);font-weight:700;letter-spacing:.02em}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-channels a{display:block;position:relative;padding:9px 12px;font-size:15px;color:var(--on-dark);border-radius:10px}
.nav-channels a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--brand-accent);transform:scaleX(0);transform-origin:left;transition:transform .24s ease}
.nav-channels a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-channels a:hover::after,.nav-channels a.active::after{transform:scaleX(1)}
.nav-channels a.active{color:#fff}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{
  width:220px;height:40px;border-radius:999px;padding:0 40px 0 16px;font-size:14px;
  color:var(--on-dark);background:rgba(255,255,255,.08);border:1px solid rgba(200,255,61,.22);
  transition:width .28s ease,border-color .2s ease,background .2s ease;outline:none;
}
.nav-search input::placeholder{color:var(--on-dark-muted)}
.nav-search input:focus{width:320px;border-color:var(--brand-accent);background:rgba(255,255,255,.12)}
.nav-search i{position:absolute;right:15px;color:var(--brand-accent);font-size:13px;pointer-events:none}
.nav-login{font-size:14.5px;color:var(--on-dark);padding:8px 6px;border-radius:8px}
.nav-login:hover{color:var(--brand-accent)}
.nav-burger{display:none;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(200,255,61,.22);color:var(--brand-accent);font-size:16px}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;
  padding:12px 26px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
}
.btn-x:hover{transform:translateY(-2px)}
.btn-x:active{transform:scale(.98)}
.btn-accent{background:var(--brand-accent);color:var(--brand-ink);box-shadow:0 10px 26px rgba(200,255,61,.24)}
.btn-accent:hover{background:#d6ff62;color:var(--brand-ink)}
.btn-ghost{background:transparent;color:var(--on-dark);border-color:rgba(232,241,236,.42)}
.btn-ghost:hover{color:#fff;border-color:var(--brand-accent)}
.btn-dark{background:var(--brand-ink);color:#fff}
.btn-dark:hover{color:var(--brand-accent)}
.btn-outline-ink{background:transparent;color:var(--brand-ink);border-color:rgba(13,42,36,.28)}
.btn-outline-ink:hover{border-color:var(--brand-ink);background:rgba(13,42,36,.04);color:var(--brand-ink)}
.btn-sm-nav{padding:9px 20px;font-size:14px}

/* ---------- 分类页头 ---------- */
.page-hero{
  position:relative;color:var(--on-dark);padding:76px 0 68px;
  background:linear-gradient(120deg,rgba(13,42,36,.78),rgba(13,42,36,.62)),
             url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(200,255,61,.10) 0 2px,transparent 2px 12px);
  opacity:.12;
}
.page-hero .container-x{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--on-dark-muted);margin-bottom:20px}
.crumb a{color:var(--on-dark-muted)}
.crumb a:hover{color:var(--brand-accent)}
.crumb span.cur{color:var(--on-dark)}
.page-hero h1{color:#fff;max-width:820px}
.page-hero .lead{max-width:700px;margin-top:18px;font-size:17px;line-height:1.75;color:var(--on-dark)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-x{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 13px;border-radius:6px;background:rgba(200,255,61,.14);color:var(--brand-accent);border:1px solid rgba(200,255,61,.3)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 主体布局 ---------- */
.page-body{padding:var(--gap-block) 0}
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start}
.section{margin-bottom:64px}
.section:last-child{margin-bottom:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head .sub{color:var(--muted);font-size:15px;max-width:620px;margin-top:10px}

/* ---------- 时间轴 ---------- */
.timeline{margin-top:8px}
.tl-item{position:relative;padding-left:58px;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--brand-second),rgba(255,92,41,.12));
}
.tl-item:last-child::before{display:none}
.tl-node{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:14px;background:#fff;
  border:2px solid var(--brand-second);color:var(--brand-second);display:grid;place-items:center;
  font-family:var(--font-num);font-weight:700;font-size:15px;box-shadow:var(--shadow-1);
}
.tl-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tl-card h3{position:relative;display:inline-block;padding-bottom:6px;margin-bottom:10px}
.tl-card h3::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--brand-accent);border-radius:2px}
.tl-card p{color:var(--muted);font-size:15.5px}
.tl-list{margin-top:14px;display:grid;gap:9px}
.tl-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text)}
.tl-list li::before{content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:2px;background:var(--brand-accent)}
.tl-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);background:#F1F3EF;border:1px solid var(--border);border-radius:6px;padding:4px 10px}
.chip.accent{background:rgba(200,255,61,.22);border-color:rgba(200,255,61,.5);color:#33501F}

/* ---------- 数据卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.stat-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;overflow:hidden;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease}
.stat-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand-accent),var(--brand-second))}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-card h4{margin-bottom:4px}
.stat-card .os{font-family:var(--font-num);font-size:13px;color:var(--muted);margin-bottom:14px;letter-spacing:.06em}
.row-line{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.row-line:last-child{border-bottom:0}
.row-line span{color:var(--muted)}
.row-line b{color:var(--text);font-weight:600}

/* ---------- 卖点四点 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.point-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.point-card .icon{width:44px;height:44px;border-radius:12px;background:rgba(200,255,61,.24);color:#2F4A1C;display:grid;place-items:center;font-size:18px;margin-bottom:14px}
.point-card h3{font-size:18px;margin-bottom:8px}
.point-card p{font-size:15px;color:var(--muted)}

/* ---------- 图文卡 ---------- */
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-block);overflow:hidden;box-shadow:var(--shadow-1);display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch}
.feature-card .fc-media{position:relative;background:#EDF1EA;min-height:260px}
.feature-card .fc-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.feature-card .fc-body{padding:28px}
.feature-card .fc-body h3{margin-bottom:10px}
.feature-card .fc-body p{color:var(--muted);font-size:15.5px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.accordion-x .accordion-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1)}
.accordion-x .accordion-button{
  width:100%;text-align:left;background:transparent;border:0;padding:20px 56px 20px 22px;position:relative;
  font-size:16.5px;font-weight:600;color:var(--brand-ink);box-shadow:none!important;
}
.accordion-x .accordion-button::after{content:none}
.accordion-x .accordion-button .sign{position:absolute;right:20px;top:50%;transform:translateY(-50%);width:24px;height:24px}
.accordion-x .accordion-button .sign::before,
.accordion-x .accordion-button .sign::after{content:"";position:absolute;background:var(--brand-ink);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.accordion-x .accordion-button .sign::before{left:4px;right:4px;top:11px;height:2px}
.accordion-x .accordion-button .sign::after{top:4px;bottom:4px;left:11px;width:2px}
.accordion-x .accordion-button:not(.collapsed){color:var(--brand-ink)}
.accordion-x .accordion-button:not(.collapsed) .sign::after{transform:scaleY(0);opacity:0}
.accordion-x .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand-accent)}
.accordion-x .accordion-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- 侧栏 ---------- */
.side-stack{display:grid;gap:20px;position:sticky;top:88px}
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1)}
.side-card h4{margin-bottom:16px;font-size:16.5px;padding-left:12px;position:relative}
.side-card h4::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;background:var(--brand-accent)}
.side-nav li{margin-bottom:4px}
.side-nav a{display:block;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--muted);position:relative;transition:background .2s ease,color .2s ease}
.side-nav a:hover{background:#F2F5F0;color:var(--brand-ink)}
.side-nav a.active{background:#F2F5F0;color:var(--brand-ink);font-weight:600}
.side-nav a.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:4px;border-radius:3px;background:var(--brand-accent)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{font-size:13px;color:var(--muted);background:#F1F3EF;border:1px solid var(--border);border-radius:999px;padding:5px 12px;transition:all .2s ease}
.tag-cloud a:hover{color:var(--brand-ink);border-color:var(--brand-accent);background:rgba(200,255,61,.18)}
.side-dl{background:var(--brand-ink);border:1px solid rgba(200,255,61,.18);color:var(--on-dark)}
.side-dl h4{color:#fff}
.side-dl h4::before{background:var(--brand-accent)}
.side-dl p{color:var(--on-dark-muted);font-size:14.5px}
.side-dl .btn-x{width:100%;margin-top:14px}
.mini-list li{display:grid;grid-template-columns:74px minmax(0,1fr);gap:12px;padding:12px 0;border-bottom:1px dashed var(--border)}
.mini-list li:last-child{border-bottom:0;padding-bottom:0}
.mini-list img{width:74px;height:58px;object-fit:cover;border-radius:var(--radius-img);background:#EDF1EA}
.mini-list a{font-size:14.5px;font-weight:600;line-height:1.5;display:block}
.mini-list span{font-size:12.5px;color:var(--muted);margin-top:4px;display:block}

/* ---------- 下载 CTA ---------- */
.dl-block{background:var(--brand-ink);border-radius:var(--radius-block);padding:34px;color:var(--on-dark);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;position:relative;overflow:hidden}
.dl-block::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(200,255,61,.18);box-shadow:0 0 0 32px rgba(200,255,61,.05)}
.dl-block h2{color:#fff;font-size:24px}
.dl-block .ver{font-family:var(--font-num);color:var(--brand-accent);font-size:14px;margin-top:8px;letter-spacing:.06em}
.dl-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;position:relative;z-index:2}
.dl-qr{width:160px;background:#fff;border-radius:12px;padding:10px;text-align:center;position:relative;z-index:2}
.dl-qr img{width:100%;height:110px;object-fit:cover;border-radius:6px;background:#EDF1EA}
.dl-qr span{display:block;font-size:12px;color:var(--muted);margin-top:8px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:var(--on-dark-muted);margin-top:var(--gap-block);position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--brand-accent),var(--brand-second))}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 36px}
.site-footer .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;margin:16px 0 18px;max-width:320px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(255,255,255,.07);border:1px solid rgba(200,255,61,.16);color:var(--on-dark)}
.footer-social a:hover{background:rgba(200,255,61,.18);color:var(--brand-accent)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--on-dark-muted);font-size:14.5px}
.footer-col a:hover{color:var(--brand-accent)}
.contact-line{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:12px;color:var(--on-dark-muted)}
.contact-line i{color:var(--brand-accent);margin-top:5px}
.footer-bottom{border-top:1px solid rgba(232,241,236,.12);padding:18px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px}
.footer-bottom a{color:var(--on-dark-muted)}
.footer-bottom a:hover{color:var(--brand-accent)}

/* ---------- 移动端悬浮条 ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:1050;background:#fff;height:64px;display:none;align-items:center;gap:12px;padding:0 16px;box-shadow:0 -8px 24px rgba(13,42,36,.14)}
.mobile-bar .mb-ver{font-family:var(--font-num);font-size:13px;color:var(--muted);letter-spacing:.06em}
.mobile-bar .btn-x{margin-left:auto;padding:10px 20px;font-size:14px}
.mobile-bar .mb-close{background:transparent;border:0;color:var(--muted);font-size:16px;padding:6px}
.mobile-bar.hide{display:none!important}

/* ---------- offcanvas ---------- */
.offcanvas-x{background:var(--brand-ink);color:var(--on-dark);width:300px}
.offcanvas-x .offcanvas-header{border-bottom:1px solid rgba(200,255,61,.18)}
.offcanvas-x .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}
.offcanvas-x .oc-list a{display:block;padding:15px 4px;font-size:18px;font-weight:600;color:var(--on-dark);border-bottom:1px solid rgba(232,241,236,.1)}
.offcanvas-x .oc-list a:hover,.offcanvas-x .oc-list a.active{color:var(--brand-accent)}
.offcanvas-x .oc-search{margin:18px 0}
.offcanvas-x .oc-search input{width:100%;height:44px;border-radius:999px;border:1px solid rgba(200,255,61,.25);background:rgba(255,255,255,.08);color:var(--on-dark);padding:0 16px;font-size:14px;outline:none}
.offcanvas-x .oc-foot{margin-top:auto;padding-top:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search input{width:170px}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
}
@media (max-width:991.98px){
  :root{--gap-block:64px}
  .nav-channels,.nav-search,.nav-login{display:none}
  .nav-burger{display:grid;place-items:center}
  .nav-inner{height:60px}
  .stat-grid{grid-template-columns:1fr;gap:16px}
  .feature-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding:44px 0 28px}
  .dl-block{grid-template-columns:minmax(0,1fr);padding:28px}
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
}
@media (max-width:767.98px){
  :root{--gap-block:52px}
  .container-x{padding:0 16px}
  .page-hero{padding:52px 0 46px}
  .page-hero .lead{font-size:15.5px}
  .section{margin-bottom:48px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .point-grid{grid-template-columns:1fr;gap:16px}
  .side-stack{grid-template-columns:1fr}
  .tl-item{padding-left:50px}
  .tl-node{width:34px;height:34px;border-radius:12px;font-size:13px}
  .tl-item::before{left:16px}
  .btn-x{width:100%;padding:13px 22px}
  .hero-actions .btn-x,.dl-actions .btn-x{width:100%}
  .dl-qr{width:100%;max-width:220px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .mini-list li{grid-template-columns:64px minmax(0,1fr)}
  .mini-list img{width:64px;height:52px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto!important}
}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.reveal.in{opacity:1;transform:none}

/* roulang page: category2 */
:root{
  --brand-ink:#0D2A24;
  --brand-accent:#C8FF3D;
  --brand-second:#FF5C29;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --border:#E3E7E1;
  --text:#1C2320;
  --muted:#5C6B64;
  --on-dark:#E8F1EC;
  --on-dark-muted:#A9BDB4;
  --shadow-1:0 8px 24px rgba(13,42,36,.07);
  --shadow-2:0 16px 40px rgba(13,42,36,.13);
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-badge:6px;
  --r-block:24px;
  --font-cn:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate",sans-serif;
  --nav-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-ink);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-second)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
p{margin:0}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* 顶部公告条 */
.top-bar{background:var(--brand-ink);color:var(--on-dark-muted);font-size:13px;line-height:36px;height:36px;overflow:hidden}
.top-bar .bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.top-bar .bar-left i{color:var(--brand-accent);margin-right:8px}
.top-bar .bar-right a{color:var(--brand-accent);font-weight:700}
.top-bar .bar-right a:hover{color:#fff}

/* 导航 */
.site-nav{
  position:sticky;top:0;z-index:1040;
  background:var(--brand-ink);
  border-bottom:1px solid rgba(200,255,61,.22);
}
.nav-inner{display:flex;align-items:center;gap:30px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand-accent);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;white-space:nowrap}
.brand-latin{font-family:var(--font-num);color:var(--brand-accent);text-transform:lowercase;margin-right:1px}
.site-footer .brand-text{color:#fff}

.nav-channels{display:flex;align-items:center;gap:26px;flex:1}
.nav-channels li{position:relative}
.nav-channels a{
  position:relative;display:inline-block;padding:22px 0;font-size:15px;
  color:var(--on-dark-muted);
}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:3px;
  background:var(--brand-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-channels a:hover{color:#fff}
.nav-channels a:hover::after{transform:scaleX(1)}
.nav-channels a.active{color:#fff;font-weight:700}
.nav-channels a.active::after{transform:scaleX(1)}

.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{position:relative;display:block}
.nav-search input{
  width:220px;height:38px;border-radius:var(--r-pill);
  border:1px solid rgba(200,255,61,.25);
  background:rgba(255,255,255,.06);
  color:#fff;padding:0 40px 0 16px;font-size:14px;
  transition:width .28s ease,border-color .22s ease,background .22s ease;
}
.nav-search input::placeholder{color:var(--on-dark-muted)}
.nav-search input:focus{
  width:320px;outline:none;border-color:var(--brand-accent);background:rgba(255,255,255,.1);
}
.nav-search i{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--brand-accent);font-size:14px;pointer-events:none}
.nav-login{font-size:15px;color:var(--on-dark);white-space:nowrap}
.nav-login:hover{color:var(--brand-accent)}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(200,255,61,.3);background:transparent;color:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-burger:hover{border-color:var(--brand-accent);color:var(--brand-accent)}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-weight:700;font-size:15px;padding:12px 26px;cursor:pointer;
  transition:transform .2s ease,filter .2s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-x:active{transform:scale(.98)}
.btn-accent{background:var(--brand-accent);color:var(--brand-ink)}
.btn-accent:hover{background:var(--brand-accent);color:var(--brand-ink);filter:brightness(1.06);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(232,241,236,.42);color:var(--on-dark);background:transparent}
.btn-ghost:hover{border-color:var(--brand-accent);color:var(--brand-accent);background:transparent;transform:translateY(-2px)}
.btn-outline-ink{border-color:var(--brand-ink);color:var(--brand-ink);background:transparent}
.btn-outline-ink:hover{background:var(--brand-ink);color:#fff;transform:translateY(-2px)}
.btn-orange{background:var(--brand-second);color:#fff}
.btn-orange:hover{background:var(--brand-second);color:#fff;filter:brightness(1.06);transform:translateY(-2px)}
.btn-sm-nav{padding:9px 20px;font-size:14px}

/* 移动抽屉 */
.offcanvas.mobile-drawer{background:var(--brand-ink);color:var(--on-dark);width:308px}
.mobile-drawer .offcanvas-header{border-bottom:1px solid rgba(200,255,61,.2);padding:18px 20px}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.8}
.drawer-list{padding:14px 12px;display:flex;flex-direction:column;gap:6px}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 14px;border-radius:14px;color:var(--on-dark);font-size:17px;font-weight:600;
}
.drawer-list a:hover{background:rgba(200,255,61,.1);color:#fff}
.drawer-list a.active{background:rgba(200,255,61,.14);color:var(--brand-accent)}
.drawer-search{padding:6px 20px 10px}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid rgba(200,255,61,.3);background:rgba(255,255,255,.07);
  color:#fff;padding:0 18px;font-size:15px;
}
.drawer-search input::placeholder{color:var(--on-dark-muted)}
.drawer-foot{padding:16px 20px 26px;margin-top:auto}
.drawer-foot .btn-x{width:100%}

/* 分类页头 */
.cat-hero{
  position:relative;overflow:hidden;
  padding:76px 0 66px;
  background-image:linear-gradient(rgba(13,42,36,.72),rgba(13,42,36,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:var(--on-dark);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(200,255,61,.12) 0 1px,transparent 1px 16px);
  opacity:.5;pointer-events:none;
}
.cat-hero .container-x{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--on-dark-muted)}
.crumb a{color:var(--on-dark-muted)}
.crumb a:hover{color:var(--brand-accent)}
.crumb .sep{opacity:.55}
.crumb .cur{color:var(--brand-accent)}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;
  color:#fff;margin:20px 0 16px;max-width:900px;
}
.cat-hero .lead-x{font-size:17px;line-height:1.85;color:var(--on-dark);max-width:760px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag-x{
  border-radius:var(--r-badge);padding:6px 13px;font-size:13px;
  border:1px solid rgba(200,255,61,.35);color:var(--on-dark);
  background:rgba(13,42,36,.42);
}

/* 区块 */
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-second);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:4px;border-radius:2px;background:var(--brand-accent)}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.8}

/* 准备要点小卡 */
.prep-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.prep-card{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);padding:24px 22px 22px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease;
}
.prep-card::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand-accent),var(--brand-second));
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.prep-icon{
  width:44px;height:44px;border-radius:14px;background:rgba(200,255,61,.22);
  color:var(--brand-ink);display:flex;align-items:center;justify-content:center;
  font-size:18px;margin:8px 0 16px;
}
.prep-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.prep-card p{font-size:14px;line-height:1.75;color:var(--muted)}

/* 大图卡片网格 */
.big-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.big-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.big-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,255,61,.55)}
.big-card .media{
  position:relative;aspect-ratio:16/9;background:#E7ECE5;overflow:hidden;
}
.big-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.big-card:hover .media img{transform:scale(1.035)}
.big-card .media .step-no{
  position:absolute;left:16px;top:16px;
  font-family:var(--font-num);font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;
  background:var(--brand-ink);color:var(--brand-accent);
  border-radius:var(--r-badge);padding:5px 11px;letter-spacing:.06em;
}
.big-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge-x{
  align-self:flex-start;border-radius:var(--r-badge);padding:4px 11px;
  font-size:12px;font-weight:700;background:var(--brand-accent);color:var(--brand-ink);
}
.badge-line{background:transparent;border:1px solid var(--brand-second);color:var(--brand-second)}
.big-card h3{font-size:20px;font-weight:700;line-height:1.4}
.big-card:hover h3{box-shadow:inset 0 -2px 0 var(--brand-accent)}
.big-card p{font-size:15px;line-height:1.78;color:var(--muted)}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.card-foot .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--brand-ink);font-weight:600;margin-right:6px}
.card-foot a{font-weight:700;color:var(--brand-ink);display:inline-flex;align-items:center;gap:6px}
.card-foot a:hover{color:var(--brand-second)}

/* 深色区 */
.dark-band{
  position:relative;overflow:hidden;
  background:var(--brand-ink);border-radius:var(--r-block);
  padding:56px;color:var(--on-dark);
}
.dark-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(200,255,61,.18);box-shadow:0 0 0 60px rgba(200,255,61,.06);
  pointer-events:none;
}
.dark-band .band-head{position:relative;z-index:1;max-width:720px;margin-bottom:34px}
.dark-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3}
.dark-band .band-head p{margin-top:14px;color:var(--on-dark-muted);font-size:16px;line-height:1.8}
.scene-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  border:1px solid rgba(200,255,61,.18);border-radius:var(--r-card);
  padding:22px;background:rgba(255,255,255,.03);
  transition:border-color .25s ease,transform .25s ease;
}
.scene-card:hover{border-color:rgba(200,255,61,.5);transform:translateY(-3px)}
.scene-card i{color:var(--brand-accent);font-size:20px}
.scene-card h3{color:#fff;font-size:18px;font-weight:700;margin:14px 0 8px}
.scene-card p{color:var(--on-dark-muted);font-size:14px;line-height:1.78}

/* 流程四步 */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:34px;line-height:1;font-weight:600;color:var(--brand-ink);
  display:block;margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:14px;line-height:1.78;color:var(--muted)}
.step-line{height:1px;background:var(--border);margin:44px 0 0}

/* 清单卡 */
.check-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);
}
.check-card h3{font-size:19px;font-weight:700;margin-bottom:16px}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.78;color:var(--muted)}
.check-list li i{color:var(--brand-accent);background:var(--brand-ink);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;flex-shrink:0;margin-top:6px}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:16px;margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  position:relative;width:100%;background:transparent;border:0;
  padding:20px 58px 20px 24px;font-size:16px;font-weight:700;color:var(--text);
  text-align:left;box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--brand-ink);background:rgba(200,255,61,.1)}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:var(--brand-accent);
}
.accordion-button::after{
  content:"+";background-image:none!important;position:absolute;right:22px;top:50%;
  transform:translateY(-50%);width:auto;height:auto;font-size:22px;line-height:1;
  color:var(--brand-ink);font-weight:400;
}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--brand-ink)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-accent);outline-offset:-2px}
.accordion-body{padding:2px 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-ink);border-radius:var(--r-block);
  padding:44px 48px;color:var(--on-dark);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(200,255,61,.16);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3}
.cta-meta{margin-top:10px;font-size:14px;color:var(--on-dark-muted);display:flex;flex-wrap:wrap;gap:18px}
.cta-meta .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--brand-accent);margin-right:6px}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-accent{background:var(--brand-accent);color:var(--brand-ink)}

/* 页脚 */
.site-footer{
  background:var(--brand-ink);color:var(--on-dark-muted);
  margin-top:88px;position:relative;padding-top:3px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand-accent),var(--brand-second));
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;
  gap:36px;padding:60px 0 44px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--on-dark-muted);margin:16px 0 18px;max-width:330px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;
  border:1px solid rgba(232,241,236,.2);display:flex;align-items:center;justify-content:center;
  color:var(--on-dark-muted);font-size:15px;
}
.footer-social a:hover{border-color:var(--brand-accent);color:var(--brand-accent)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--on-dark-muted)}
.footer-col a:hover{color:var(--brand-accent)}
.contact-line{display:flex;gap:10px;font-size:14px;color:var(--on-dark-muted);margin-bottom:10px;line-height:1.7}
.contact-line i{color:var(--brand-accent);margin-top:5px}
.footer-bottom{
  border-top:1px solid rgba(232,241,236,.12);
  padding:20px 0;font-size:13px;display:flex;justify-content:space-between;
  align-items:center;gap:12px;flex-wrap:wrap;color:var(--on-dark-muted);
}
.footer-bottom a{color:var(--on-dark-muted)}
.footer-bottom a:hover{color:var(--brand-accent)}

/* 移动悬浮条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;
  background:#fff;box-shadow:0 -8px 24px rgba(13,42,36,.14);
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;min-height:64px;
}
.mobile-bar .mb-text{font-size:13px;color:var(--muted);line-height:1.5}
.mobile-bar .mb-text b{display:block;color:var(--brand-ink);font-size:14px;font-family:var(--font-num);font-variant-numeric:tabular-nums}
.mobile-bar .mb-actions{display:flex;align-items:center;gap:8px}
.mobile-bar .btn-x{padding:10px 20px;font-size:14px}
.mobile-bar .mb-close{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--border);
  background:#fff;color:var(--muted);display:flex;align-items:center;justify-content:center;
  font-size:13px;cursor:pointer;
}
.mobile-bar .mb-close:hover{color:var(--brand-ink);border-color:var(--brand-ink)}

/* 响应式 */
@media (max-width:1199px){
  .nav-search input{width:170px}
  .nav-search input:focus{width:230px}
  .nav-channels{gap:20px}
}
@media (max-width:991px){
  :root{--nav-h:56px}
  .top-bar{display:none}
  .nav-channels,.nav-search,.nav-login{display:none}
  .nav-burger{display:flex}
  .nav-inner{gap:14px}
  .brand-text{font-size:18px}
  .sec{padding:64px 0}
  .sec-tight{padding:52px 0}
  .cat-hero{padding:54px 0 48px}
  .prep-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .big-grid{grid-template-columns:1fr}
  .dark-band{padding:38px 28px}
  .cta-band{padding:32px 28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;padding:44px 0 34px}
  .mobile-bar{display:flex}
  body{padding-bottom:78px}
}
@media (max-width:575px){
  .container-x{padding:0 16px}
  .sec{padding:52px 0}
  .cat-hero h1{margin:16px 0 12px}
  .cat-hero .lead-x{font-size:15.5px}
  .prep-grid,.step-grid{grid-template-columns:1fr;gap:16px}
  .big-grid{gap:16px}
  .dark-band{padding:30px 20px;border-radius:20px}
  .cta-band{padding:26px 20px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn-x{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .btn-sm-nav{display:none}
  .mobile-bar{flex-wrap:nowrap}
  .mobile-bar .mb-text{max-width:38%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --brand-ink:#0D2A24;
  --brand-accent:#C8FF3D;
  --brand-second:#FF5C29;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --border:#E3E7E1;
  --text:#1C2320;
  --muted:#5C6B64;
  --on-dark:#E8F1EC;
  --on-dark-muted:#A9BDB4;
  --shadow-1:0 8px 24px rgba(13,42,36,.07);
  --shadow-2:0 16px 40px rgba(13,42,36,.13);
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-badge:6px;
  --r-block:24px;
  --sec-desktop:88px;
  --sec-tablet:64px;
  --sec-phone:52px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--brand-ink);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-second);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px;border-radius:4px;}
.num{font-family:"Oswald","Barlow Condensed","DIN Alternate",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.01em;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){.container-x{max-width:1320px;}}
@media (max-width:575px){.container-x{padding:0 16px;}}

/* ===== 导航 ===== */
.site-nav{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--brand-ink);
  border-bottom:1px solid rgba(200,255,61,.22);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:19px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:30px;height:30px;
  border-radius:9px;
  background:var(--brand-accent);
  display:grid;place-items:center;
  flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;}
.brand-latin{
  font-family:"Oswald","Barlow Condensed",sans-serif;
  color:var(--brand-accent);
  font-weight:700;
  letter-spacing:.02em;
  margin-right:1px;
}
.nav-channels{
  display:flex;
  align-items:center;
  gap:26px;
  margin:0 auto;
}
.nav-channels a{
  position:relative;
  color:var(--on-dark-muted);
  font-size:15px;
  font-weight:600;
  padding:6px 2px;
}
.nav-channels a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-21px;
  height:3px;
  border-radius:3px;
  background:var(--brand-accent);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .25s ease;
}
.nav-channels a:hover{color:#fff;}
.nav-channels a:hover::after{transform:scaleX(1);}
.nav-channels a.active{color:#fff;}
.nav-channels a.active::after{transform:scaleX(1);}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  position:relative;
  display:block;
}
.nav-search input{
  height:40px;
  width:220px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 40px 0 18px;
  font-size:14px;
  transition:width .28s ease,border-color .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:rgba(232,241,236,.5);}
.nav-search input:focus{
  width:320px;
  outline:none;
  border-color:var(--brand-accent);
  background:rgba(255,255,255,.1);
}
.nav-search i{
  position:absolute;
  right:16px;top:50%;
  transform:translateY(-50%);
  color:var(--on-dark-muted);
  font-size:14px;
  pointer-events:none;
}
.nav-login{
  color:var(--on-dark);
  font-size:14px;
  font-weight:600;
  padding:6px 4px;
}
.nav-login:hover{color:var(--brand-accent);}
.nav-burger{
  display:none;
  color:#fff;
  font-size:20px;
  padding:6px 8px;
  border-radius:10px;
}
.nav-burger:hover{background:rgba(255,255,255,.08);}

/* ===== 按钮 ===== */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-x:active{transform:scale(.98);}
.btn-accent{
  background:var(--brand-accent);
  color:var(--brand-ink);
  box-shadow:0 10px 24px rgba(200,255,61,.22);
}
.btn-accent:hover{
  color:var(--brand-ink);
  filter:brightness(1.07);
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(200,255,61,.3);
}
.btn-line{
  background:transparent;
  color:var(--brand-ink);
  border-color:var(--border);
}
.btn-line:hover{
  color:var(--brand-ink);
  border-color:var(--brand-ink);
  transform:translateY(-2px);
  box-shadow:var(--shadow-1);
}
.btn-line-light{
  background:rgba(255,255,255,.06);
  color:var(--on-dark);
  border-color:rgba(200,255,61,.35);
}
.btn-line-light:hover{
  color:var(--brand-accent);
  border-color:var(--brand-accent);
  transform:translateY(-2px);
}
.btn-orange{
  background:var(--brand-second);
  color:#fff;
}
.btn-orange:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);}
.btn-sm-nav{height:38px;padding:0 18px;font-size:14px;}
.btn-lg-x{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}

/* ===== 页面头 ===== */
.page-head{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(13,42,36,.72),rgba(13,42,36,.78)),url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  color:#fff;
  padding:56px 0 60px;
  min-height:280px;
  display:flex;
  align-items:center;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(200,255,61,.09) 0 2px,transparent 2px 16px);
  pointer-events:none;
}
.page-head .container-x{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(232,241,236,.78);
  margin-bottom:18px;
}
.crumb a{color:rgba(232,241,236,.78);}
.crumb a:hover{color:var(--brand-accent);}
.crumb .sep{color:rgba(232,241,236,.4);}
.crumb .now{color:var(--brand-accent);}
.page-head h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.page-head h1 em{
  font-style:normal;
  color:var(--brand-accent);
}
.page-head .lead{
  max-width:660px;
  font-size:16px;
  line-height:1.8;
  color:rgba(232,241,236,.86);
  margin-bottom:26px;
}
.head-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ===== 主体布局 ===== */
.main-area{padding:var(--sec-desktop) 0;}
.section{margin-bottom:var(--sec-desktop);}
.section:last-child{margin-bottom:0;}
.sec-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:30px;
}
.sec-head h2{
  font-size:clamp(22px,2.4vw,32px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
}
.sec-head p{
  color:var(--muted);
  font-size:15px;
  max-width:620px;
  margin-top:8px;
}
.sec-head .tag-line{
  font-size:13px;
  font-weight:700;
  color:var(--brand-ink);
  background:rgba(200,255,61,.5);
  border-radius:var(--r-badge);
  padding:5px 10px;
}

/* ===== 规格对比卡 ===== */
.spec-wrap{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.spec-grid,
.spec-row{
  display:grid;
  grid-template-columns:1.05fr 1fr 1fr;
  align-items:stretch;
}
.spec-grid{
  background:var(--brand-ink);
  color:#fff;
}
.spec-col-label{
  display:flex;
  align-items:flex-end;
  padding:22px 24px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--on-dark-muted);
}
.spec-col{
  padding:24px;
  border-left:1px solid rgba(255,255,255,.08);
}
.spec-col h3{
  font-size:19px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:6px;
}
.spec-col p{
  font-size:13.5px;
  line-height:1.65;
  color:var(--on-dark-muted);
}
.spec-col.app{
  background:rgba(200,255,61,.1);
  box-shadow:inset 0 3px 0 var(--brand-accent);
}
.spec-col.app h3{color:var(--brand-accent);}
.spec-col-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  padding:3px 9px;
  border-radius:var(--r-badge);
  margin-bottom:10px;
  background:rgba(255,255,255,.12);
  color:var(--on-dark);
}
.spec-col.app .spec-col-tag{
  background:var(--brand-accent);
  color:var(--brand-ink);
}
.spec-row{border-top:1px solid var(--border);}
.spec-row:nth-child(even){background:#FBFCFA;}
.spec-cell{
  padding:20px 24px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text);
}
.spec-cell.row-label{
  font-weight:700;
  color:var(--brand-ink);
  background:rgba(246,247,244,.9);
  border-right:1px solid var(--border);
}
.spec-cell.app{
  color:var(--brand-ink);
  font-weight:600;
  background:rgba(200,255,61,.1);
}
.spec-cell .mini{
  display:block;
  font-size:12.5px;
  font-weight:500;
  color:var(--muted);
  margin-top:4px;
}
.spec-note{
  padding:18px 24px;
  background:#FBFCFA;
  border-top:1px solid var(--border);
  font-size:13.5px;
  color:var(--muted);
}
.spec-note i{color:var(--brand-second);margin-right:6px;}

/* ===== 结论卡 ===== */
.result-card{
  margin-top:26px;
  background:var(--brand-ink);
  color:var(--on-dark);
  border-radius:var(--r-block);
  padding:30px 32px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  border:1px solid rgba(200,255,61,.18);
  position:relative;
  overflow:hidden;
}
.result-card::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  border:1px solid rgba(200,255,61,.16);
  box-shadow:0 0 0 26px rgba(200,255,61,.05);
  pointer-events:none;
}
.result-card h3{
  font-size:21px;
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
}
.result-card p{
  font-size:15px;
  line-height:1.8;
  color:var(--on-dark-muted);
  max-width:600px;
}
.result-card .btn-x{position:relative;z-index:2;}

/* ===== 通道卡 ===== */
.tile{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px 22px 26px;
  height:100%;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
  position:relative;
  overflow:hidden;
}
.tile::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--brand-accent),var(--brand-second));
}
.tile:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
}
.tile h3{
  font-size:17px;
  font-weight:700;
  line-height:1.45;
  margin-bottom:10px;
}
.tile p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--muted);
}
.tile .tile-ico{
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(200,255,61,.22);
  color:var(--brand-ink);
  display:grid;place-items:center;
  font-size:18px;
  margin-bottom:16px;
}

/* ===== 场景列表 ===== */
.scene-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.scene-item{
  display:flex;
  gap:20px;
  align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(200,255,61,.7);
}
.scene-item .idx{
  font-family:"Oswald","Barlow Condensed",sans-serif;
  font-size:30px;
  font-weight:600;
  line-height:1;
  color:var(--brand-second);
  min-width:52px;
  font-variant-numeric:tabular-nums;
}
.scene-item h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:6px;
}
.scene-item p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--muted);
}

/* ===== 步骤 ===== */
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step .dot{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--brand-ink);
  color:var(--brand-accent);
  display:grid;place-items:center;
  font-family:"Oswald",sans-serif;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.78;color:var(--muted);}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;}
.faq-x .accordion-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-x .accordion-button{
  background:var(--surface);
  color:var(--text);
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  padding:20px 56px 20px 22px;
  border-radius:16px !important;
  box-shadow:none;
}
.faq-x .accordion-button:not(.collapsed){
  color:var(--brand-ink);
  background:var(--surface);
  box-shadow:inset 4px 0 0 var(--brand-accent);
}
.faq-x .accordion-button::after{display:none;}
.faq-x .accordion-button::before{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--brand-ink);
}
.faq-x .accordion-button:not(.collapsed)::before{
  content:"−";
  color:var(--brand-second);
}
.faq-x .accordion-button:focus{box-shadow:none;}
.faq-x .accordion-button:focus-visible{outline:2px solid var(--brand-accent);outline-offset:-2px;}
.faq-x .accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ===== 下载区（紧凑） ===== */
.dl-strip{
  background:var(--brand-ink);
  border-radius:var(--r-block);
  padding:36px 34px;
  color:var(--on-dark);
  display:grid;
  grid-template-columns:1.3fr auto auto;
  gap:28px;
  align-items:center;
  border:1px solid rgba(200,255,61,.18);
  position:relative;
  overflow:hidden;
}
.dl-strip::before{
  content:"";
  position:absolute;
  left:-40px;bottom:-70px;
  width:200px;height:200px;
  border-radius:50%;
  border:1px solid rgba(200,255,61,.14);
  box-shadow:0 0 0 24px rgba(200,255,61,.05);
  pointer-events:none;
}
.dl-strip h2{
  font-size:clamp(20px,2.2vw,28px);
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
}
.dl-strip .meta{
  font-size:13.5px;
  color:var(--on-dark-muted);
}
.dl-strip .meta b{
  font-family:"Oswald",sans-serif;
  font-weight:600;
  color:var(--brand-accent);
  font-variant-numeric:tabular-nums;
}
.dl-btns{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  position:relative;
  z-index:2;
}
.qr-box{
  width:132px;
  height:132px;
  background:#fff;
  border-radius:12px;
  padding:10px;
  display:grid;
  place-items:center;
  position:relative;
  z-index:2;
}
.qr-box svg{width:100%;height:100%;display:block;}
.qr-box span{
  display:block;
  text-align:center;
  font-size:11.5px;
  color:var(--brand-ink);
  margin-top:4px;
}

/* ===== 侧栏 ===== */
.side-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-1);
  margin-bottom:20px;
}
.side-card:last-child{margin-bottom:0;}
.side-card h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:4px;height:16px;
  border-radius:2px;
  background:var(--brand-accent);
}
.cat-nav li{margin-bottom:6px;}
.cat-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 14px;
  border-radius:12px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text);
  border-left:4px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.cat-nav a:hover{
  background:#F2F5F1;
  color:var(--brand-ink);
}
.cat-nav a.current{
  background:rgba(200,255,61,.22);
  border-left-color:var(--brand-accent);
  color:var(--brand-ink);
}
.cat-nav a i{color:var(--muted);font-size:12px;}
.cat-nav a.current i{color:var(--brand-ink);}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
}
.tag-cloud a{
  font-size:13px;
  padding:7px 13px;
  border-radius:var(--r-pill);
  background:#F2F5F1;
  border:1px solid var(--border);
  color:var(--muted);
  transition:all .2s ease;
}
.tag-cloud a:hover{
  background:var(--brand-accent);
  border-color:var(--brand-accent);
  color:var(--brand-ink);
  transform:translateY(-2px);
}
.side-dl{
  background:var(--brand-ink);
  border-radius:var(--r-card);
  padding:24px 22px;
  color:var(--on-dark);
  border:1px solid rgba(200,255,61,.18);
}
.side-dl h3{color:#fff;}
.side-dl h3::before{background:var(--brand-accent);}
.side-dl p{
  font-size:14px;
  line-height:1.75;
  color:var(--on-dark-muted);
  margin-bottom:16px;
}
.side-dl .ver{
  font-family:"Oswald",sans-serif;
  color:var(--brand-accent);
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.pick-list li + li{margin-top:14px;}
.pick-list a{
  display:flex;
  gap:12px;
  align-items:center;
}
.pick-list .thumb{
  width:64px;height:64px;
  border-radius:12px;
  overflow:hidden;
  flex:0 0 auto;
  background:#EDF0EC;
}
.pick-list .thumb img{
  width:100%;height:100%;
  object-fit:cover;
}
.pick-list .txt strong{
  display:block;
  font-size:14.5px;
  font-weight:700;
  line-height:1.5;
  color:var(--text);
  transition:color .2s ease;
}
.pick-list a:hover .txt strong{color:var(--brand-ink);}
.pick-list .txt em{
  font-style:normal;
  font-size:12.5px;
  color:var(--muted);
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-ink);
  color:var(--on-dark-muted);
  padding:64px 0 0;
  margin-top:var(--sec-desktop);
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--brand-accent),var(--brand-second));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:var(--on-dark-muted);
  max-width:320px;
  margin-bottom:20px;
}
.footer-social{
  display:flex;
  gap:10px;
}
.footer-social a{
  width:38px;height:38px;
  border-radius:11px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.07);
  color:var(--on-dark);
  font-size:15px;
  transition:all .2s ease;
}
.footer-social a:hover{
  background:var(--brand-accent);
  color:var(--brand-ink);
  transform:translateY(-2px);
}
.footer-col h4{
  color:#fff;
  font-size:15.5px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  color:var(--on-dark-muted);
  font-size:14px;
}
.footer-col a:hover{color:var(--brand-accent);}
.contact-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  margin-bottom:10px;
}
.contact-line i{color:var(--brand-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(169,189,180,.85);
}

/* ===== 移动端底部条 ===== */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  height:64px;
  background:#fff;
  box-shadow:0 -8px 24px rgba(13,42,36,.14);
  align-items:center;
  gap:12px;
  padding:0 14px;
  z-index:1040;
}
.mobile-bar .mb-left{
  display:flex;
  flex-direction:column;
  line-height:1.3;
}
.mobile-bar .mb-ver{
  font-family:"Oswald",sans-serif;
  font-weight:600;
  font-size:15px;
  color:var(--brand-ink);
  font-variant-numeric:tabular-nums;
}
.mobile-bar .mb-tip{font-size:11.5px;color:var(--muted);}
.mobile-bar .btn-x{height:42px;padding:0 18px;font-size:14px;margin-left:auto;}
.mobile-bar .mb-close{
  width:30px;height:30px;
  display:grid;place-items:center;
  color:var(--muted);
  font-size:15px;
  border-radius:50%;
}
.mobile-bar .mb-close:hover{background:#F2F5F1;}
.mobile-bar.hide{display:none;}

/* ===== 抽屉 ===== */
.drawer-x{
  background:var(--brand-ink);
  color:var(--on-dark);
  width:320px !important;
}
.drawer-x .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.1);
  padding:18px 20px;
}
.drawer-x .offcanvas-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
}
.drawer-x .btn-close-x{
  color:var(--on-dark);
  font-size:20px;
  padding:4px 8px;
  border-radius:8px;
}
.drawer-x .btn-close-x:hover{background:rgba(255,255,255,.1);color:var(--brand-accent);}
.drawer-list li + li{margin-top:4px;}
.drawer-list a{
  display:block;
  padding:14px 12px;
  border-radius:12px;
  color:var(--on-dark);
  font-size:16px;
  font-weight:600;
}
.drawer-list a:hover{background:rgba(255,255,255,.07);color:var(--brand-accent);}
.drawer-list a.current{
  background:rgba(200,255,61,.16);
  color:var(--brand-accent);
}
.drawer-search{
  margin:22px 0 18px;
  position:relative;
}
.drawer-search input{
  width:100%;
  height:44px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 42px 0 18px;
  font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand-accent);}
.drawer-search input::placeholder{color:rgba(232,241,236,.5);}
.drawer-search i{
  position:absolute;
  right:16px;top:50%;
  transform:translateY(-50%);
  color:var(--on-dark-muted);
  font-size:14px;
}
.drawer-foot{
  margin-top:22px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
}
.drawer-foot .note{
  font-size:13px;
  color:var(--on-dark-muted);
  margin-top:12px;
  text-align:center;
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .nav-channels{gap:18px;}
  .nav-search input{width:170px;}
  .nav-search input:focus{width:230px;}
}
@media (max-width:991px){
  .nav-channels{display:none;}
  .nav-search,.nav-login{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-inner{height:56px;}
  .main-area{padding:var(--sec-tablet) 0;}
  .section{margin-bottom:var(--sec-tablet);}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .dl-strip{grid-template-columns:1fr;text-align:left;}
  .qr-box{margin:0 auto;}
  .site-footer{margin-top:var(--sec-tablet);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .spec-grid,.spec-row{grid-template-columns:1fr;}
  .spec-col-label{display:none;}
  .spec-col{border-left:0;border-top:1px solid rgba(255,255,255,.1);}
  .spec-col:first-of-type{border-top:0;}
  .spec-cell{border-top:1px solid var(--border);padding:16px 20px;}
  .spec-cell.row-label{
    border-right:0;
    background:rgba(246,247,244,.95);
    padding-bottom:6px;
    border-top:1px solid var(--border);
  }
  .spec-cell.web::before,
  .spec-cell.app::before{
    display:block;
    font-size:12.5px;
    font-weight:700;
    color:var(--muted);
    margin-bottom:4px;
    letter-spacing:.02em;
  }
  .spec-cell.web::before{content:"站内资讯页浏览";}
  .spec-cell.app::before{content:"客户端推送订阅";color:var(--brand-ink);}
  .scene-item{flex-direction:column;gap:10px;}
  .scene-item .idx{min-width:auto;}
}
@media (max-width:575px){
  body{font-size:15.5px;padding-bottom:72px;}
  .main-area{padding:var(--sec-phone) 0;}
  .section{margin-bottom:var(--sec-phone);}
  .page-head{padding:40px 0 44px;min-height:240px;}
  .head-actions .btn-x{width:100%;}
  .step-grid{grid-template-columns:1fr;}
  .dl-strip{padding:28px 22px;}
  .dl-btns .btn-x{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{margin-top:var(--sec-phone);}
  .mobile-bar{display:flex;}
  .mobile-bar.hide{display:none;}
  .drawer-x{width:86vw !important;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}