/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1220;
  --bg-2:#070C16;
  --primary:#1FE0B8;
  --accent:#FF3E6C;
  --warn:#FFB020;
  --text-1:#EAF1F8;
  --text-2:#A7B6C9;
  --text-3:#6C7C92;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hi:0 24px 56px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;padding:0;background:var(--bg-0);color:var(--text-2);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;font-weight:400;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.3}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
summary{list-style:none;cursor:pointer}
summary::-webkit-details-marker{display:none}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.4vw,32px);letter-spacing:-.3px}
.sec-head h2::before{content:'';display:block;width:38px;height:4px;border-radius:2px;background:var(--primary);margin-bottom:14px}
.sec-head p{font-size:15px;color:var(--text-3);margin-top:10px;max-width:620px}
.more-link{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.more-link:hover{color:#7CF6DE}
.more-link i{font-size:12px;transition:transform .22s var(--ease)}
.more-link:hover i{transform:translateX(4px)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(5,8,15,.88);border-bottom:1px solid transparent;transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.site-header.is-stuck{background:rgba(5,8,15,.94);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);border-bottom-color:var(--line);box-shadow:0 12px 32px rgba(0,0,0,.5)}
.nav-top-inner{display:flex;align-items:center;gap:22px;height:70px;transition:height .22s var(--ease)}
.site-header.is-stuck .nav-top-inner{height:58px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{width:26px;height:26px;border-radius:8px;background:linear-gradient(140deg,#1FE0B8,#0B7F6C);position:relative;flex:0 0 auto}
.logo-mark::before{content:'';position:absolute;left:5px;top:7px;width:16px;height:12px;border:2px solid rgba(5,8,15,.85);border-radius:50%;border-left-color:transparent;transform:rotate(-24deg)}
.logo-type{display:flex;flex-direction:column;line-height:1.1}
.logo-main{font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:-.2px}
.logo-sub{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.18em}
.nav-search{position:relative;flex:1 1 auto;max-width:400px}
.nav-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--text-3)}
.nav-search input{width:100%;height:44px;padding:0 14px 0 40px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-1);outline:none;font-size:14px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease)}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,224,184,.18);background:rgba(255,255,255,.07)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.nav-actions .quiet-link{font-size:14px;color:var(--text-2);white-space:nowrap}
.nav-actions .quiet-link:hover{color:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,#28F0C4,#12B79A);color:#04150F;box-shadow:0 8px 22px rgba(31,224,184,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,224,184,.6),0 10px 30px rgba(31,224,184,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.3)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--glass-line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:linear-gradient(135deg,#FF5C82,#E42A57);color:#fff;box-shadow:0 8px 22px rgba(255,62,108,.24)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,62,108,.5),0 10px 30px rgba(255,62,108,.3)}
.btn-accent:active{transform:translateY(0)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.mobile-search-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);align-items:center;justify-content:center;color:var(--text-2)}
.channels{position:relative;border-top:1px solid var(--line)}
.channels::before,.channels::after{content:'';position:absolute;top:0;bottom:0;width:24px;pointer-events:none;z-index:2}
.channels::before{left:0;background:linear-gradient(90deg,var(--bg-0),rgba(5,8,15,0))}
.channels::after{right:0;background:linear-gradient(270deg,var(--bg-0),rgba(5,8,15,0))}
.channel-track{display:flex;align-items:center;gap:30px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:0 24px;margin:0 auto;max-width:1240px}
.channel-track::-webkit-scrollbar{display:none}
.channel{position:relative;display:inline-flex;align-items:center;gap:7px;padding:15px 0;font-size:15px;color:var(--text-2);white-space:nowrap;flex:0 0 auto}
.channel:hover{color:var(--text-1)}
.channel.active{color:var(--primary);font-weight:600}
.channel.active::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--primary);box-shadow:0 0 12px rgba(31,224,184,.8)}
.channel i{font-size:12px;opacity:.8}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--bg-0);padding:66px 0 40px}
.hero::after{content:'';position:absolute;top:-160px;right:-90px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(31,224,184,.08),rgba(31,224,184,0) 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;z-index:2}
.hero-copy{grid-column:span 6;display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.hero-pill{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:rgba(31,224,184,.10);border:1px solid rgba(31,224,184,.28);color:var(--primary);font-size:13px;letter-spacing:.04em}
.hero-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(31,224,184,.9)}
.hero-copy h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;letter-spacing:-.5px;font-weight:800}
.hero-copy h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:16px;line-height:1.85;color:var(--text-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:8px}
.hero-stats .stat-num{font-size:26px;font-weight:800;color:var(--text-1);letter-spacing:-.5px;line-height:1.2}
.hero-stats .stat-num span{font-size:14px;font-weight:600;color:var(--primary);margin-left:2px}
.hero-stats .stat-label{font-size:13px;color:var(--text-3);margin-top:2px}
.hero-visual{grid-column:span 6;position:relative;padding-bottom:34px}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px}
.hero-visual::after{content:'';position:absolute;left:0;right:0;top:0;aspect-ratio:16/11;border-radius:20px;background:linear-gradient(180deg,rgba(5,8,15,0) 38%,rgba(5,8,15,.76));pointer-events:none}
.hero-float{position:absolute;right:-14px;bottom:0;width:min(310px,86%);background:rgba(10,18,32,.86);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);border:1px solid var(--glass-line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow);z-index:3}
.hero-float .hf-title{font-size:13px;color:var(--text-3);margin-bottom:10px;letter-spacing:.06em}
.hero-float ul{display:flex;flex-direction:column;gap:9px}
.hero-float li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px}
.hero-float li span:first-child{color:var(--text-3)}
.hero-float li span:last-child{color:var(--text-1);font-weight:600}
.hero-float .state{color:var(--primary)!important}
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:62px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.trust-bar .tb-item{background:var(--bg-1);padding:22px 24px}
.trust-bar .tb-item strong{display:block;font-size:16px;color:var(--text-1);margin-bottom:6px}
.trust-bar .tb-item p{font-size:13px;color:var(--text-3);line-height:1.7}

/* ============ 卡片族 ============ */
.card{position:relative;display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.20),rgba(255,255,255,0));z-index:3}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hi);border-color:rgba(31,224,184,.35)}
.card:hover h3{color:var(--primary)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-cover img{transform:scale(1.04)}
.badge{position:absolute;top:12px;left:12px;z-index:2;font-size:12px;line-height:1;padding:6px 11px;border-radius:999px;background:var(--accent);color:#fff;font-weight:600;letter-spacing:.04em}
.badge.green{background:var(--primary);color:#04150F}
.card-body{display:flex;flex-direction:column;gap:10px;padding:16px 18px 18px;flex:1}
.card-body h3{font-size:18px;line-height:1.45;transition:color .22s var(--ease)}
.card-body p{font-size:14px;line-height:1.75;color:var(--text-2)}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--text-3)}
.meta-row .read{color:var(--primary);display:inline-flex;align-items:center;gap:5px}
.meta-row .read i{font-size:11px}
.clamp1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 主推网格（非对称） ============ */
.display-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.display-main{grid-column:span 2}
.display-main .card-cover{aspect-ratio:16/10}
.display-main .card-body h3{font-size:21px}
.display-side{grid-column:span 2;display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.display-side .card-cover{aspect-ratio:16/10}
.display-side .card-body h3{font-size:15px}
.display-side .card-body p{font-size:13px}

/* ============ 评价轮播 ============ */
.reviews{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.review-shell{position:relative;background:var(--glass);border:1px solid var(--glass-line);border-radius:24px;padding:38px 36px;overflow:hidden}
.review-shell::after{content:'';position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:44px 44px}
.review-track{position:relative;display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:6px;z-index:2}
.review-track::-webkit-scrollbar{display:none}
.review-card{flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;background:rgba(10,18,32,.72);border:1px solid var(--glass-line);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:14px}
.review-card .stars{display:flex;align-items:center;gap:8px;color:var(--warn);font-size:14px}
.review-card .score{color:var(--text-1);font-weight:700}
.review-card p{font-size:14px;line-height:1.8;color:var(--text-2)}
.review-card .who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.review-card .avatar{width:40px;height:40px;border-radius:50%;border:1px solid rgba(31,224,184,.45);background:linear-gradient(140deg,rgba(31,224,184,.28),rgba(31,224,184,.06));display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:14px;font-weight:700;flex:0 0 auto}
.review-card .who span{font-size:13px;color:var(--text-3);line-height:1.5}
.review-card .who strong{display:block;color:var(--text-1);font-size:14px;font-weight:600}
.review-foot{position:relative;display:flex;align-items:center;justify-content:center;gap:16px;margin-top:26px;z-index:2}
.review-dots{display:flex;align-items:center;gap:8px}
.review-dots button{width:8px;height:8px;padding:0;border-radius:999px;border:none;background:rgba(255,255,255,.22);cursor:pointer;transition:width .22s var(--ease),background-color .22s var(--ease)}
.review-dots button.active{width:26px;background:var(--primary)}
.review-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid var(--glass-line);background:rgba(10,18,32,.8);color:var(--text-1);display:flex;align-items:center;justify-content:center;z-index:4;transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease)}
.review-arrow:hover{border-color:var(--primary);color:var(--primary);background:rgba(31,224,184,.10)}
.review-arrow.prev{left:-14px}
.review-arrow.next{right:-14px}

/* ============ 保障条 ============ */
.assure{background:var(--bg-2);border-bottom:1px solid var(--line)}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.assure-item{position:relative;padding:36px 28px;display:flex;flex-direction:column;gap:8px}
.assure-item+.assure-item::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);height:60%;width:1px;background:linear-gradient(180deg,transparent,var(--line),transparent)}
.assure-item i{font-size:22px;color:var(--primary)}
.assure-item strong{font-size:15px;color:var(--text-1)}
.assure-item p{font-size:13px;color:var(--text-3);line-height:1.7}

/* ============ 最新信息 ============ */
.pill-row{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;margin-bottom:28px;padding-bottom:2px}
.pill-row::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);font-size:14px;transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease)}
.pill:hover{border-color:rgba(31,224,184,.5);color:var(--primary);background:rgba(31,224,184,.08)}
.pill.active{border-color:rgba(31,224,184,.6);color:var(--primary);background:rgba(31,224,184,.12);font-weight:600}
.latest-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.latest-main{grid-column:span 7;display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.latest-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hi);border-color:rgba(31,224,184,.35)}
.latest-main:hover h3{color:var(--primary)}
.latest-main-cover{aspect-ratio:16/9;overflow:hidden}
.latest-main-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.latest-main:hover .latest-main-cover img{transform:scale(1.04)}
.latest-main-body{display:flex;flex-direction:column;gap:12px;padding:22px 24px 24px;flex:1}
.latest-main-body h3{font-size:21px;line-height:1.45;transition:color .22s var(--ease)}
.latest-main-body p{font-size:14px;line-height:1.8;color:var(--text-2)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;background:rgba(31,224,184,.12);color:var(--primary);border:1px solid rgba(31,224,184,.3);align-self:flex-start}
.latest-side{grid-column:span 5;display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);overflow:hidden}
.latest-row{display:flex;gap:14px;padding:16px 18px;border-bottom:1px solid var(--line);transition:background-color .22s var(--ease),transform .22s var(--ease)}
.latest-row:last-child{border-bottom:none}
.latest-row:hover{background:rgba(255,255,255,.045);transform:translateX(2px)}
.latest-row:hover h4{color:var(--primary)}
.latest-row img{width:110px;height:70px;border-radius:var(--r-img);object-fit:cover;flex:0 0 auto}
.latest-row-body{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1}
.latest-row-body h4{font-size:15px;line-height:1.5;font-weight:600;color:var(--text-1);transition:color .22s var(--ease)}
.latest-row-body p{font-size:13px;line-height:1.65;color:var(--text-2)}
.latest-rest{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:22px}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:260px;padding:48px 24px;text-align:center;background:var(--glass);border:1px dashed var(--line);border-radius:var(--r-card)}
.empty-state i{font-size:44px;color:var(--text-3)}
.empty-state strong{font-size:18px;color:var(--text-1)}
.empty-state p{font-size:14px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-img);transition:border-color .22s var(--ease),background-color .22s var(--ease)}
.faq-item[open]{border-color:rgba(31,224,184,.3);background:rgba(255,255,255,.055)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;font-size:15px;font-weight:600;color:var(--text-1)}
.faq-item:hover summary{color:var(--primary)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform .22s var(--ease)}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-radius:24px;border:1px solid var(--glass-line);background:var(--glass);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-band::before{content:'';position:absolute;top:-140px;left:-60px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(31,224,184,.10),rgba(31,224,184,0) 70%);pointer-events:none}
.cta-band::after{content:'';position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(115deg,rgba(255,255,255,.03) 0 1px,transparent 1px 14px)}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:12px}
.cta-copy p{font-size:15px;color:var(--text-2);line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex:0 0 auto}
.cta-note{position:relative;z-index:2;margin-top:22px;font-size:13px;color:var(--text-3)}

/* ============ 页脚 ============ */
.site-footer{background:#03060C;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-3);margin-top:16px;max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease)}
.socials a:hover{border-color:rgba(31,224,184,.55);color:var(--primary);background:rgba(31,224,184,.08)}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text-1)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--text-3);display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:52px;padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.back-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;border:1px solid var(--glass-line);background:rgba(10,18,32,.85);backdrop-filter:blur(14px);color:var(--text-1);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s,border-color .22s var(--ease),color .22s var(--ease);z-index:90}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{border-color:var(--primary);color:var(--primary)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-copy{grid-column:span 7}
  .hero-visual{grid-column:span 5}
  .display-grid{grid-template-columns:repeat(2,1fr)}
  .display-main{grid-column:span 2}
  .display-side{grid-column:span 2}
  .latest-main{grid-column:span 12}
  .latest-side{grid-column:span 12}
}
@media (max-width:1024px){
  .section{padding:64px 0}
  .nav-search{max-width:280px}
  .nav-actions .quiet-link{display:none}
  .hero-copy,.hero-visual{grid-column:span 12}
  .hero-visual{padding-bottom:0}
  .hero-float{position:static;width:100%;margin-top:16px}
  .hero-visual::after{display:none}
  .trust-bar{grid-template-columns:repeat(2,1fr);margin-top:44px}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .assure-item+.assure-item::before{display:none}
  .assure-item{border-top:1px solid var(--line)}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .review-arrow{display:none}
  .latest-rest{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-search{display:none}
  .mobile-search-btn{display:flex}
  .nav-top-inner{gap:12px;height:60px}
  .review-shell{padding:26px 20px}
  .review-card{flex:0 0 85%}
  .latest-rest{grid-template-columns:1fr}
  .display-side{grid-template-columns:1fr}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .section{padding:48px 0}
  .hero{padding:44px 0 32px}
  .hero-stats{gap:22px}
  .trust-bar{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .review-card{flex:0 0 88%}
  .latest-main-body{padding:18px}
  .latest-row img{width:92px;height:62px}
  .cta-band{padding:28px}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .back-top{right:16px;bottom:16px;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .card:hover,.latest-main:hover,.btn:hover{transform:none!important}
  .card:hover .card-cover img,.latest-main:hover .latest-main-cover img{transform:none!important}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1220;
  --bg-2:#070C16;
  --primary:#1FE0B8;
  --primary-dim:rgba(31,224,184,.35);
  --primary-soft:rgba(31,224,184,.10);
  --accent:#FF3E6C;
  --warn:#FFB020;
  --text-1:#EAF1F8;
  --text-2:#A7B6C9;
  --text-3:#6C7C92;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 56px rgba(0,0,0,.55);
  --ease:transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .22s ease, border-color .22s ease, background-color .22s ease, color .22s ease;
  --font-cn:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-family:var(--font-cn);}
p{margin:0;}
::selection{background:rgba(31,224,184,.28);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.wrap{padding:0 24px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,8,15,.86);
  border-bottom:1px solid transparent;
  transition:var(--ease), backdrop-filter .2s ease;
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.92);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--line);
  box-shadow:0 14px 34px rgba(0,0,0,.45);
}
.topbar{
  display:flex;align-items:center;gap:18px;
  min-height:70px;transition:min-height .22s ease;
}
.site-header.is-scrolled .topbar{min-height:56px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--primary),#0f9d84);
  position:relative;overflow:hidden;flex:0 0 auto;
  box-shadow:0 0 0 1px rgba(31,224,184,.35), 0 6px 18px rgba(31,224,184,.22);
}
.logo-mark::before{
  content:"";position:absolute;inset:5px 4px;
  border:2px solid rgba(5,8,15,.75);border-radius:50% 50% 50% 50%/60% 60% 40% 40%;
  transform:rotate(-24deg);
}
.logo-mark::after{
  content:"";position:absolute;left:6px;right:6px;bottom:6px;height:2px;
  background:rgba(5,8,15,.75);border-radius:2px;transform:rotate(-12deg);
}
.logo-type{display:flex;align-items:baseline;gap:6px;line-height:1;}
.logo-main{font-size:19px;font-weight:800;color:var(--text-1);letter-spacing:.02em;}
.logo-sub{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.06em;}
.search{
  position:relative;flex:1 1 auto;max-width:400px;
}
.search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:14px;
}
.search input{
  width:100%;height:44px;padding:0 14px 0 40px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--text-1);font-size:14px;
  transition:var(--ease);
}
.search input::placeholder{color:var(--text-3);}
.search input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,224,184,.18);
  background:rgba(255,255,255,.07);
}
.search-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--text-2);cursor:pointer;transition:var(--ease);
}
.search-toggle:hover{color:var(--primary);border-color:var(--primary-dim);}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.link-quiet{font-size:14px;color:var(--text-2);transition:var(--ease);}
.link-quiet:hover{color:var(--primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:var(--ease);white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#12b394);
  color:#04211B;
  box-shadow:0 0 0 1px rgba(31,224,184,.4), 0 10px 26px rgba(31,224,184,.20);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,224,184,.6), 0 10px 30px rgba(31,224,184,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35);}
.btn-ghost{
  background:var(--glass);border-color:var(--glass-line);color:var(--text-1);
}
.btn-ghost:hover{
  border-color:var(--primary-dim);color:var(--primary);
  background:rgba(255,255,255,.08);transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#d92a55);color:#fff;
  box-shadow:0 10px 26px rgba(255,62,108,.22);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,62,108,.32);}

.channels{
  border-top:1px solid var(--line);
  background:rgba(10,18,32,.7);
}
.channel-wrap{position:relative;max-width:1240px;margin:0 auto;}
.channel-wrap::before,.channel-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:24px;pointer-events:none;z-index:2;
}
.channel-wrap::before{left:0;background:linear-gradient(90deg,rgba(10,18,32,.96),rgba(10,18,32,0));}
.channel-wrap::after{right:0;background:linear-gradient(270deg,rgba(10,18,32,.96),rgba(10,18,32,0));}
.channel-track{
  display:flex;align-items:center;gap:6px;
  min-height:52px;padding:6px 20px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.channel-track::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--text-2);
  white-space:nowrap;scroll-snap-align:start;
  transition:var(--ease);
}
.channel i{font-size:13px;color:var(--text-3);transition:var(--ease);}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.channel:hover i{color:var(--primary);}
.channel.active{
  color:#04211B;background:linear-gradient(135deg,var(--primary),#12b394);
  box-shadow:0 0 0 1px rgba(31,224,184,.45);
}
.channel.active i{color:#04211B;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--text-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:rgba(255,255,255,.2);}
.crumb a{color:var(--text-3);transition:var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb .current{color:var(--primary);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line);}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.pill-mint{background:var(--primary-soft);color:var(--primary);border:1px solid rgba(31,224,184,.28);}
.pill-magenta{background:rgba(255,62,108,.14);color:var(--accent);border:1px solid rgba(255,62,108,.3);}
.pill-line{background:rgba(255,255,255,.04);color:var(--text-2);border:1px solid var(--line);}
.article-head h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.5px;
  max-width:960px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:20px;font-size:13px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--primary);font-size:12px;}
.share-group{margin-left:auto;display:flex;align-items:center;gap:8px;}
.share-group button{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);background:var(--glass);border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;transition:var(--ease);
}
.share-group button:hover{color:var(--primary);border-color:var(--primary-dim);transform:translateY(-2px);}

/* ---------- 阅读区 ---------- */
.article-section{padding:44px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:34px;}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:center;gap:48px;}
}
.hero-figure{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:1.91/1;background:var(--bg-1);margin-bottom:32px;
  border:1px solid var(--line);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.05) 30%,rgba(5,8,15,.72));
}
.hero-figure figcaption{
  position:absolute;left:18px;bottom:14px;z-index:2;
  font-size:13px;color:var(--text-2);
}
.prose{font-size:17px;line-height:1.85;color:var(--text-2);}
.prose>*+*{margin-top:1em;}
.prose>p:first-of-type{
  font-size:19px;font-weight:500;color:var(--text-1);
  border-left:3px solid var(--primary);padding-left:18px;line-height:1.8;
}
.prose h2{
  margin-top:40px;font-size:clamp(20px,2.1vw,26px);font-weight:700;color:var(--text-1);
  position:relative;padding-left:16px;line-height:1.4;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(31,224,184,.6);
}
.prose h3{margin-top:28px;font-size:19px;font-weight:600;color:var(--text-1);line-height:1.5;}
.prose a{color:var(--primary);border-bottom:1px dashed rgba(31,224,184,.45);}
.prose a:hover{border-bottom-style:solid;}
.prose strong{color:var(--text-1);font-weight:600;}
.prose ul,.prose ol{display:flex;flex-direction:column;gap:8px;}
.prose ul li,.prose ol li{position:relative;padding-left:22px;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);transform:rotate(45deg);opacity:.85;
}
.prose ol{counter-reset:item;}
.prose ol li{counter-increment:item;}
.prose ol li::before{
  content:counter(item);position:absolute;left:0;top:.2em;
  width:18px;height:18px;border-radius:6px;background:var(--primary-soft);
  color:var(--primary);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.prose blockquote{
  border-left:4px solid var(--primary);background:rgba(255,255,255,.035);
  border-radius:0 var(--r-img) var(--r-img) 0;padding:18px 22px;
  font-style:italic;color:var(--text-1);
}
.prose blockquote p{color:inherit;}
.prose img{border-radius:var(--r-img);margin:26px auto;border:1px solid var(--line);}
.prose figure{margin:26px 0;}
.prose figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;}
.prose table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;
  border:1px solid var(--line);border-radius:var(--r-img);font-size:15px;
}
.prose thead{background:var(--glass);}
.prose th,.prose td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;}
.prose th{color:var(--text-1);font-weight:600;}
.prose tr:last-child td{border-bottom:none;}
.prose code{
  background:rgba(255,255,255,.07);color:var(--primary);
  padding:2px 7px;border-radius:6px;font-size:.9em;
}
.prose pre{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-img);
  padding:18px;overflow-x:auto;font-size:14px;
}
.prose pre code{background:none;padding:0;color:var(--text-2);}

.empty-article{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;min-height:300px;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-card);padding:48px 26px;
}
.empty-article i{font-size:44px;color:var(--primary);}
.empty-article h2{font-size:22px;font-weight:700;}
.empty-article p{font-size:15px;max-width:420px;}

.side{display:none;}
@media(min-width:1024px){.side{display:block;}}
.side-inner{position:sticky;top:110px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  position:relative;background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-card);padding:20px;backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
}
.side-card::before{
  content:"";position:absolute;left:16px;right:16px;top:0;height:1px;
  background:linear-gradient(90deg,rgba(31,224,184,0),rgba(31,224,184,.55),rgba(31,224,184,0));
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:12px;}
.side-card .side-note{font-size:13.5px;line-height:1.75;}
.side-list{display:flex;flex-direction:column;gap:4px;}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--text-2);transition:var(--ease);
}
.side-list a:hover{background:rgba(255,255,255,.05);color:var(--primary);transform:translateX(2px);}
.side-list i{color:var(--text-3);font-size:12px;}
.side-list a:hover i{color:var(--primary);}
.side-cta{margin-top:14px;width:100%;}

/* ---------- 标签行 ---------- */
.tagline{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.tagline .tag-label{font-size:13px;color:var(--text-3);margin-right:4px;}
.tag{
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--text-2);transition:var(--ease);
}
.tag:hover{background:var(--primary-soft);border-color:rgba(31,224,184,.35);color:var(--primary);}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
.sec-head p{font-size:14px;color:var(--text-3);margin-top:8px;}
.sec-link{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:7px;transition:var(--ease);}
.sec-link:hover{gap:11px;}
.rel-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-dim);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.8,.2,1);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 35%,rgba(5,8,15,.6));
}
.card-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:rgba(255,62,108,.9);color:#fff;
}
.card-badge.is-mint{background:rgba(31,224,184,.92);color:#04211B;}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;transition:var(--ease);}
.card:hover .card-body h3{color:var(--primary);}
.card-body p{font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;gap:12px;
  font-size:13px;color:var(--text-3);padding-top:6px;
}
.card-foot .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);}
.card-foot .go{margin-left:auto;color:var(--primary);}

/* ---------- CTA 带 ---------- */
.cta-band{padding:0 0 72px;}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:24px;border:1px solid var(--glass-line);
  background:linear-gradient(90deg,rgba(31,224,184,.07),rgba(255,62,108,.06)),var(--glass);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  padding:34px 26px;
  display:flex;flex-direction:column;gap:22px;
  box-shadow:var(--shadow);
}
@media(min-width:1024px){.cta-inner{padding:56px;flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}}
.cta-inner::after{
  content:"";position:absolute;right:-80px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,184,.16),rgba(31,224,184,0) 70%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;max-width:640px;}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:12px;}
.cta-text p{font-size:15px;color:var(--text-2);}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;}
@media(min-width:640px){.cta-actions{flex-direction:row;}}

/* ---------- 返回入口 ---------- */
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding:0 0 76px;
}
.back-bar .hint{font-size:13px;color:var(--text-3);margin-right:auto;}

.to-top{
  position:fixed;right:22px;bottom:22px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(10,18,32,.85);border:1px solid var(--glass-line);
  color:var(--text-1);cursor:pointer;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--primary);border-color:var(--primary-dim);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);margin-top:8px;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:34px;padding-top:56px;padding-bottom:40px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand p{font-size:14px;color:var(--text-3);margin-top:16px;max-width:340px;line-height:1.8;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  transition:var(--ease);
}
.socials a:hover{color:var(--primary);border-color:var(--primary-dim);transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-3);transition:var(--ease);display:inline-block;}
.footer-col a:hover{color:var(--primary);transform:translateX(-2px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;padding-bottom:26px;
  display:flex;flex-direction:column;gap:8px;
  font-size:13px;color:var(--text-3);
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}

@media (prefers-reduced-motion: reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .card:hover,.btn-primary:hover,.btn-ghost:hover,.btn-accent:hover{transform:none;}
  .card:hover .card-cover img{transform:none;}
}
@media(max-width:1023px){
  .search{display:none;}
  .search-toggle{display:inline-flex;}
}
@media(max-width:639px){
  .topbar{gap:12px;min-height:62px;}
  .logo-sub{display:none;}
  .link-quiet{display:none;}
  .btn-sm{height:38px;padding:0 14px;font-size:13px;}
  .article-head h1{font-size:26px;}
  .article-meta .share-group{margin-left:0;}
  .crumb .current{max-width:180px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1220;
  --primary:#1FE0B8;
  --accent:#FF3E6C;
  --warn:#FFB020;
  --text-1:#EAF1F8;
  --text-2:#A7B6C9;
  --text-3:#6C7C92;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-card-hover:0 24px 56px rgba(0,0,0,.55);
  --wrap:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.5px}
h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3}
h3{font-size:17px;line-height:1.45;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media(min-width:1024px){.wrap{padding:0 24px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.86);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.95);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.45);
}
.header-top{display:flex;align-items:center;gap:16px;height:68px;transition:height .25s ease}
.site-header.is-scrolled .header-top{height:58px}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:8px;position:relative;
  background:linear-gradient(135deg,var(--primary),#0E9C86);
  box-shadow:0 0 0 1px rgba(31,224,184,.35),0 6px 18px rgba(31,224,184,.22);
}
.logo-mark::after{
  content:"";position:absolute;inset:6px;border-radius:4px;
  border:2px solid rgba(4,20,15,.9);
  border-top-color:transparent;border-right-color:transparent;
  transform:rotate(-30deg);
}
.logo-type{display:flex;flex-direction:column;line-height:1}
.logo-main{font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:.5px}
.logo-sub{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.16em;margin-top:4px}

.search{position:relative;flex:1 1 auto;max-width:400px}
.search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:13px;pointer-events:none}
.search input{
  width:100%;height:44px;padding:0 16px 0 38px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-1);outline:none;
  transition:border-color .22s,box-shadow .22s,background-color .22s;
}
.search input::placeholder{color:var(--text-3);font-size:14px}
.search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,224,184,.16);background:rgba(255,255,255,.07)}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.link-plain{font-size:14px;color:var(--text-2)}
.link-plain:hover{color:var(--primary)}

.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);cursor:pointer;
  transition:color .22s,border-color .22s,background-color .22s,transform .22s;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(31,224,184,.45);background:rgba(255,255,255,.08)}
.mobile-search{display:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s,border-color .22s,background-color .22s,color .22s;
}
.btn-primary{background:linear-gradient(135deg,#25EDC2,#12B79A);color:#04140F;box-shadow:0 10px 26px rgba(31,224,184,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,224,184,.6),0 10px 30px rgba(31,224,184,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35)}
.btn-ghost{
  background:var(--glass);border-color:var(--glass-line);color:var(--text-1);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(31,224,184,.55);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

.channels{border-top:1px solid var(--line);position:relative}
.channel-track{
  display:flex;align-items:center;gap:6px;
  max-width:var(--wrap);margin:0 auto;padding:0 20px;height:52px;
  overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.channel-track::-webkit-scrollbar{display:none}
@media(min-width:1024px){.channel-track{padding:0 24px}}
.channel{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--text-2);white-space:nowrap;scroll-snap-align:start;
  transition:color .22s,background-color .22s,box-shadow .22s;
}
.channel i{font-size:12px;opacity:.85}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.channel.active{
  color:var(--primary);background:rgba(31,224,184,.10);
  box-shadow:inset 0 -2px 0 rgba(31,224,184,.9);
}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--bg-0);border-bottom:1px solid var(--line)}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.36;
}
.page-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.74) 0%,rgba(5,8,15,.92) 62%,var(--bg-0) 100%);
}
.page-hero__inner{position:relative;padding:52px 0 46px}
@media(min-width:768px){.page-hero__inner{padding:68px 0 56px}}
.hero-grid{display:grid;gap:32px;align-items:start}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:center}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(31,224,184,.10);border:1px solid rgba(31,224,184,.28);
  color:var(--primary);font-size:13px;font-weight:600;
}
.eyebrow i{font-size:11px}
.hero-copy h1{margin:20px 0 0}
.hero-copy h1 .h1-sub{display:block;font-size:14px;font-weight:600;color:var(--primary);letter-spacing:.2em;margin-top:10px}
.hero-lead{font-size:16px;line-height:1.85;color:var(--text-2);margin-top:18px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:32px}
.stat{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-img);
  padding:14px 16px;
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  position:relative;overflow:hidden;
}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent)}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--text-1);letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px}

.hero-card{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--glass-line);background:var(--glass);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
}
.hero-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1)}
.hero-card__media img{width:100%;height:100%;object-fit:cover}
.hero-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.15),rgba(5,8,15,.78))}
.hero-card__body{padding:20px}
.hero-card__title{font-size:17px;font-weight:700;color:var(--text-1);line-height:1.5;margin-top:12px}
.hero-tags{display:grid;gap:8px;margin-top:16px}
.hero-tags li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);padding-bottom:8px;border-bottom:1px solid var(--line)}
.hero-tags li:last-child{border-bottom:0;padding-bottom:0}
.hero-tags li b{color:var(--text-2);font-weight:600}
.tag-live{color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.tag-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(31,224,184,.16)}

/* ---------- 通用板块 ---------- */
.section{padding:52px 0}
@media(min-width:768px){.section{padding:68px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section--alt{background:var(--bg-1)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px}
.sec-head__text h2{position:relative;padding-left:16px}
.sec-head__text h2::before{
  content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(31,224,184,.7);
}
.sec-head__text p{font-size:14.5px;color:var(--text-3);margin-top:10px;max-width:680px;line-height:1.8}
.sec-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.sec-more i{font-size:11px;transition:transform .22s}
.sec-more:hover i{transform:translateX(4px)}

/* ---------- 保障条 ---------- */
.guarantee{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 0}
@media(min-width:1024px){.guarantee{grid-template-columns:repeat(4,minmax(0,1fr))}}
.g-item{display:flex;gap:13px;align-items:flex-start;padding:0 18px;position:relative}
@media(max-width:1023px){
  .g-item{padding:0}
  .g-item::after{content:"";position:absolute;left:0;right:0;bottom:-11px;height:1px;background:var(--line)}
  .g-item:nth-last-child(-n+2)::after{display:none}
}
@media(min-width:1024px){
  .g-item+p::before{content:""}
  .g-item:not(:first-child)::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;
    background:linear-gradient(180deg,transparent,var(--line),transparent);
  }
}
.g-item i{color:var(--primary);font-size:19px;margin-top:5px;flex:0 0 auto}
.g-item b{display:block;font-size:14.5px;color:var(--text-1);font-weight:600}
.g-item span{display:block;font-size:13px;color:var(--text-3);margin-top:5px;line-height:1.7}

/* ---------- 卡片 ---------- */
.matrix-a{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.matrix-a{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.matrix-a{grid-template-columns:1.7fr 1fr 1fr}}
.matrix-b{display:grid;gap:20px;grid-template-columns:1fr;margin-top:20px}
@media(min-width:768px){.matrix-b{grid-template-columns:repeat(3,minmax(0,1fr))}}

.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s,border-color .22s;
}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.34),transparent);z-index:3}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(31,224,184,.35)}
.card:hover h3{color:var(--primary)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-1)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card--tall .card-media{aspect-ratio:4/5}
@media(max-width:767px){.card--tall .card-media{aspect-ratio:3/2}}
.card-body{padding:18px 18px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{transition:color .22s}
.card-body p{
  font-size:14px;color:var(--text-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
}
.card-meta i{font-size:11px;color:var(--text-3);transition:color .22s,transform .22s}
.card:hover .card-meta i{color:var(--primary);transform:translateX(3px)}

.badge{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;gap:5px;padding:5px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:rgba(31,224,184,.94);color:#04140F;
  box-shadow:0 6px 16px rgba(0,0,0,.4);
}
.badge--hot{background:rgba(255,62,108,.94);color:#fff}
.badge--soft{
  position:static;background:rgba(255,255,255,.07);color:var(--text-2);
  border:1px solid var(--line);font-weight:600;box-shadow:none;
}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.scene-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.scene{
  background:var(--bg-0);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;
  transition:transform .22s cubic-bezier(.2,.8,.2,1),border-color .22s,box-shadow .22s;
}
.section--alt .scene{background:var(--bg-0)}
.scene:hover{transform:translateY(-3px);border-color:rgba(31,224,184,.35);box-shadow:var(--shadow-card)}
.scene-ico{
  width:46px;height:46px;border-radius:var(--r-img);display:grid;place-items:center;
  background:rgba(31,224,184,.10);border:1px solid rgba(31,224,184,.22);
  color:var(--primary);font-size:18px;margin-bottom:18px;
}
.scene h3{margin-bottom:10px}
.scene > p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.scene ul{margin-top:16px;display:grid;gap:9px}
.scene li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.7}
.scene li i{color:var(--primary);font-size:11px;margin-top:7px;flex:0 0 auto}

/* ---------- 流程 ---------- */
.steps{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,minmax(0,1fr))}}
.step{
  position:relative;padding:24px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s cubic-bezier(.2,.8,.2,1),border-color .22s,box-shadow .22s;
}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent)}
.step:hover{transform:translateY(-3px);border-color:rgba(31,224,184,.35);box-shadow:var(--shadow-card)}
.step-num{font-size:12.5px;font-weight:700;color:var(--primary);letter-spacing:.16em}
.step h3{font-size:16px;margin:12px 0 9px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- 评价 ---------- */
.review-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.review{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);padding:24px;
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  position:relative;
}
.review::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent)}
.stars{display:flex;align-items:center;gap:6px;color:var(--warn);font-size:13px}
.stars b{color:var(--text-1);font-size:14px;font-weight:700;margin-left:4px}
.review > p{font-size:14.5px;color:var(--text-2);margin-top:16px;line-height:1.8}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(31,224,184,.12);color:var(--primary);font-size:14px;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(31,224,184,.35);
}
.reviewer b{display:block;font-size:14px;color:var(--text-1);font-weight:600}
.reviewer span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-img);
  overflow:hidden;transition:border-color .22s,background-color .22s;
}
.faq-item[open]{border-color:rgba(31,224,184,.32);background:rgba(255,255,255,.06)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:15.5px;font-weight:600;color:var(--text-1);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary i{color:var(--text-3);font-size:13px;flex:0 0 auto;transition:transform .22s,color .22s}
.faq-item[open] summary i{transform:rotate(45deg);color:var(--primary)}
.faq-answer{padding:0 20px 20px;font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid var(--glass-line);background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  padding:32px 24px;display:grid;gap:26px;
}
.cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent)}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,184,.16),transparent 70%);pointer-events:none;
}
@media(min-width:768px){.cta-band{padding:44px}}
@media(min-width:1024px){.cta-band{padding:56px;grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:center;gap:40px}}
.cta-text{position:relative;z-index:2}
.cta-text h2{margin-bottom:12px}
.cta-text p{font-size:15px;color:var(--text-2);max-width:620px}
.cta-note{font-size:13px;color:var(--text-3);margin-top:14px}
.cta-actions{position:relative;z-index:2;display:grid;gap:12px}
@media(min-width:520px) and (max-width:1023px){.cta-actions{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- 页脚 ---------- */
.site-footer{background:#04070D;border-top:1px solid var(--line);padding-top:56px}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr repeat(3,minmax(0,1fr))}}
.footer-brand p{font-size:14px;color:var(--text-3);margin-top:18px;line-height:1.85;max-width:340px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;
  transition:color .22s,border-color .22s,transform .22s;
}
.socials a:hover{color:var(--primary);border-color:rgba(31,224,184,.5);transform:translateY(-2px)}
.footer-col h4{font-size:15px;color:var(--text-1);font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-col li+li{margin-top:11px}
.footer-col a{font-size:14px;color:var(--text-3);display:inline-block;transition:color .22s,transform .22s}
.footer-col a:hover{color:var(--primary);transform:translateX(-2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:42px;padding:20px 0 28px;font-size:13px;color:var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(10,18,32,.9);border:1px solid var(--glass-line);color:var(--text-2);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,color .22s,border-color .22s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--primary);border-color:rgba(31,224,184,.5)}

/* ---------- 响应式 ---------- */
@media(max-width:767px){
  .search{display:none}
  .link-plain{display:none}
  .mobile-search{display:grid}
  .hero-actions .btn{width:100%}
  .stat-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
  .stat b{font-size:19px}
  .footer-bottom{justify-content:flex-start}
}
@media(max-width:520px){
  .stat-row{grid-template-columns:1fr 1fr;gap:10px}
  .stat:last-child{grid-column:span 2}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .card:hover,.scene:hover,.step:hover,.btn:hover{transform:none !important}
  .card:hover .card-media img{transform:none !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1220;
  --bg-2:#070C16;
  --primary:#1FE0B8;
  --primary-deep:#0F8F76;
  --accent:#FF3E6C;
  --warn:#FFB020;
  --text-1:#EAF1F8;
  --text-2:#A7B6C9;
  --text-3:#6C7C92;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045);
  --glass-bd:rgba(255,255,255,.10);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 56px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.wrap{padding:0 24px;}}
.num{font-family:"Barlow Condensed","Oswald",system-ui,sans-serif;letter-spacing:.04em;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.86);
  border-bottom:1px solid var(--line);
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.92);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.header-top{
  display:flex;align-items:center;gap:20px;
  height:72px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-top{height:56px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:26px;height:26px;position:relative;flex:none;
  border-radius:9px 9px 12px 12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(31,224,184,.35),0 6px 18px rgba(31,224,184,.22);
  overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;left:-6px;top:9px;width:38px;height:14px;
  border:2px solid rgba(5,8,15,.72);border-radius:50%;
  transform:rotate(-18deg);
}
.logo-type{display:flex;flex-direction:column;line-height:1.1;}
.logo-main{font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:.5px;}
.logo-sub{font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:1px;}
.search{position:relative;flex:1;max-width:420px;}
.search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:13px;}
.search input{
  width:100%;height:42px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-1);padding:0 14px 0 40px;font-size:14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search input::placeholder{color:var(--text-3);}
.search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,224,184,.14);}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:none;}
.link-quiet{font-size:14px;color:var(--text-2);transition:color .22s var(--ease);}
.link-quiet:hover{color:var(--primary);}
.search-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-2);align-items:center;justify-content:center;
}
.channels{
  border-top:1px solid var(--line);
  background:rgba(10,18,32,.55);
  position:relative;
}
.channel-track{
  display:flex;gap:6px;overflow-x:auto;
  max-width:1240px;margin:0 auto;padding:0 20px;
  scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.channel-track::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;gap:8px;
  padding:15px 14px;font-size:14px;font-weight:600;
  color:var(--text-2);white-space:nowrap;scroll-snap-align:start;
  border-bottom:2px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.channel i{font-size:12px;color:var(--text-3);transition:color .22s var(--ease);}
.channel:hover{color:var(--text-1);}
.channel:hover i{color:var(--primary);}
.channel.active{
  color:var(--primary);
  border-bottom-color:var(--primary);
  text-shadow:0 0 14px rgba(31,224,184,.45);
}
.channel.active i{color:var(--primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04140F;
  box-shadow:0 0 0 1px rgba(31,224,184,.35),0 10px 26px rgba(31,224,184,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,224,184,.6),0 10px 30px rgba(31,224,184,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-ghost{
  background:rgba(255,255,255,.05);border-color:var(--glass-bd);color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#C4214C);
  color:#fff;box-shadow:0 10px 26px rgba(255,62,108,.24);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,62,108,.6),0 12px 32px rgba(255,62,108,.3);}

/* ---------- 页头带 ---------- */
.hero-band{
  position:relative;overflow:hidden;
  background:var(--bg-0);
  padding:70px 0 58px;
  border-bottom:1px solid var(--line);
}
.hero-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.72),rgba(5,8,15,.96) 78%);
}
.hero-band .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:end;gap:48px;}
}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{transition:color .22s var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb span{margin:0 8px;color:rgba(255,255,255,.22);}
.crumb b{color:var(--primary);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(31,224,184,.12);border:1px solid rgba(31,224,184,.32);
  color:var(--primary);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;
}
h1.hero-title{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.15;font-weight:800;color:var(--text-1);letter-spacing:-.5px;
}
.hero-lead{
  margin-top:18px;max-width:640px;
  font-size:16.5px;line-height:1.85;color:var(--text-2);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;
  border-top:1px solid var(--line);padding-top:22px;
}
.hero-stats strong{display:block;font-size:24px;font-weight:800;color:var(--text-1);}
.hero-stats span{font-size:13px;color:var(--text-3);}
.side-card{
  position:relative;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-bd);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  padding:24px;
  overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,184,.75),transparent);
}
.side-card h2{
  font-size:16px;font-weight:700;color:var(--text-1);margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-card h2 i{color:var(--primary);}
.side-list li{
  display:flex;align-items:center;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list b{color:var(--text-1);font-weight:600;}
.side-list em{margin-left:auto;font-style:normal;color:var(--text-3);font-size:13px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--primary);flex:none;box-shadow:0 0 10px rgba(31,224,184,.7);}
.dot.pink{background:var(--accent);box-shadow:0 0 10px rgba(255,62,108,.7);}
.dot.gold{background:var(--warn);box-shadow:0 0 10px rgba(255,176,32,.7);}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
@media (max-width:1023px){.section{padding:58px 0;}}
@media (max-width:767px){.section{padding:46px 0;}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;margin-bottom:34px;}
.sec-head h2{
  font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;color:var(--text-1);
  position:relative;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.32em;width:6px;height:.72em;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(31,224,184,.15));
}
.sec-head p{font-size:14.5px;color:var(--text-3);max-width:620px;}
.sec-more{margin-left:auto;font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.sec-more:hover{color:#7CF3DC;}

/* ---------- 频道 pill ---------- */
.pill-row{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 6px;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
}
.pill-row::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--glass-bd);background:rgba(255,255,255,.04);
  color:var(--text-2);font-size:14px;white-space:nowrap;scroll-snap-align:start;
  transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.pill:hover{color:var(--text-1);border-color:rgba(31,224,184,.45);background:rgba(31,224,184,.10);transform:translateY(-2px);}
.pill.on{background:rgba(31,224,184,.14);border-color:rgba(31,224,184,.5);color:var(--primary);font-weight:600;}

/* ---------- 非对称要点网格 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
@media (max-width:1023px){.points-grid{grid-template-columns:repeat(6,1fr);}}
@media (max-width:767px){.points-grid{grid-template-columns:1fr;gap:16px;}}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;z-index:3;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(31,224,184,.35);}
.card:hover h3{color:var(--primary);}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.05),rgba(5,8,15,.62));
}
.badge{
  position:absolute;top:12px;left:12px;z-index:3;
  padding:5px 11px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:#04140F;background:var(--primary);
}
.badge.pink{background:var(--accent);color:#fff;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--text-1);transition:color .22s var(--ease);}
.card-body p{font-size:14.5px;line-height:1.7;color:var(--text-2);}
.meta{
  display:flex;align-items:center;gap:12px;margin-top:auto;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px;
}
.meta .arrow{margin-left:auto;color:var(--text-3);transition:color .22s var(--ease),transform .22s var(--ease);}
.card:hover .meta .arrow{color:var(--primary);transform:translateX(3px);}
.card-lg{grid-column:span 7;}
.card-tall{grid-column:span 5;}
.card-tall .card-media{aspect-ratio:4/5;}
.card-tall .card-body h3{font-size:21px;}
.card-sm{grid-column:span 4;}
.card-sm .card-media{aspect-ratio:3/2;}
.card-sm .card-body h3{font-size:17px;}
@media (max-width:1023px){
  .card-lg{grid-column:span 6;}
  .card-tall{grid-column:span 6;}
  .card-tall .card-media{aspect-ratio:16/9;}
  .card-sm{grid-column:span 3;}
}
@media (max-width:767px){
  .card-lg,.card-tall,.card-sm{grid-column:span 1;}
  .card-tall .card-media{aspect-ratio:4/5;}
}
.tags{display:flex;flex-wrap:wrap;gap:6px;}
.tag{
  font-size:12.5px;padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-3);
}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (max-width:767px){.scene-grid{grid-template-columns:1fr;gap:14px;}}
.scene-item{
  display:flex;gap:18px;padding:24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.scene-item:hover{transform:translateY(-3px);border-color:rgba(31,224,184,.35);background:rgba(255,255,255,.05);}
.scene-icon{
  flex:none;width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,224,184,.12);border:1px solid rgba(31,224,184,.28);
  color:var(--primary);font-size:17px;
}
.scene-item h3{font-size:18px;font-weight:600;color:var(--text-1);margin-bottom:6px;}
.scene-item p{font-size:14.5px;color:var(--text-2);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
@media (max-width:1023px){.flow{grid-template-columns:repeat(2,1fr);}}
@media (max-width:639px){.flow{grid-template-columns:1fr;}}
.flow-item{
  position:relative;padding:24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-bd);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.flow-item:hover{transform:translateY(-3px);border-color:rgba(31,224,184,.35);}
.flow-item::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-family:"Barlow Condensed","Oswald",sans-serif;
  font-size:30px;font-weight:800;color:rgba(31,224,184,.55);line-height:1;margin-bottom:14px;
}
.flow-item h3{font-size:17px;font-weight:600;color:var(--text-1);margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.035);overflow:hidden;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.faq-item[open]{border-color:rgba(31,224,184,.34);background:rgba(255,255,255,.055);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;font-size:15.5px;font-weight:600;color:var(--text-1);
  min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:none;
  width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--glass-bd);color:var(--primary);font-size:16px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);border-color:rgba(31,224,184,.5);}
.faq-item p{padding:0 20px 20px;font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;padding:56px;
  background:linear-gradient(135deg,rgba(31,224,184,.10),rgba(255,255,255,.035));
  border:1px solid var(--glass-bd);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
@media (max-width:767px){.cta-band{padding:32px;border-radius:20px;}}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,184,.20),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;}
@media (min-width:1024px){.cta-inner{grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:center;gap:40px;}}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--text-1);line-height:1.35;}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:767px){.cta-actions .btn{width:100%;}}

/* ---------- 标签云 / 返回 ---------- */
.cloud{display:flex;flex-wrap:wrap;gap:10px;}
.cloud a{
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--glass-bd);background:rgba(255,255,255,.03);
  font-size:13.5px;color:var(--text-2);
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.cloud a:hover{background:rgba(31,224,184,.10);color:var(--primary);border-color:rgba(31,224,184,.4);transform:translateY(-2px);}
.back-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:30px;}
.back-row span{font-size:13.5px;color:var(--text-3);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-2);border-top:1px solid var(--line);
  padding:64px 0 0;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(3,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:40px;}}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:360px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.socials a:hover{color:var(--primary);border-color:rgba(31,224,184,.45);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;color:var(--text-3);
  transition:color .22s var(--ease),transform .22s var(--ease);display:inline-block;
}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;padding-bottom:28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid var(--glass-bd);
  color:var(--text-1);backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--primary);border-color:rgba(31,224,184,.5);}

@media (max-width:1023px){
  .search{display:none;}
  .search-toggle{display:inline-flex;}
  .header-actions .link-quiet{display:none;}
}
@media (max-width:767px){
  .header-top{height:64px;gap:14px;}
  .logo-main{font-size:17px;}
  .channel{padding:13px 12px;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .card:hover,.flow-item:hover,.scene-item:hover,.pill:hover,.cloud a:hover{transform:none;}
  .card:hover .card-media img{transform:none;}
}