/* roulang page: index */
:root{
  --ink-950:#0A0D14;--ink-900:#10141D;--ink-800:#171C27;
  --line:#262D3C;--t1:#E9EDF4;--t2:#98A2B6;
  --paper:#F6F7F9;--paper-2:#ECEFF3;--p-ink:#151A23;--p-ink2:#5B6475;
  --primary:#16C79A;--primary-600:#0FA681;--primary-08:rgba(22,199,154,.08);
  --secondary:#FF9A3C;--accent:#8E7BFF;
  --r-lg:20px;--r-md:18px;--r-sm:14px;--r-xs:12px;
  --sh-1:0 1px 2px rgba(6,10,18,.06),0 12px 28px -20px rgba(6,10,18,.35);
  --sh-dark:0 18px 44px -28px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.05);
  --t:.2s cubic-bezier(.2,.7,.3,1);
  --pad:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--paper);color:var(--p-ink);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1400px){.shell{max-width:1320px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 通用组件 ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:999px;background:var(--primary);color:#07120E;font-weight:600;font-size:15px;border:1px solid transparent;
  transition:transform var(--t),filter var(--t),box-shadow var(--t);box-shadow:0 10px 24px -16px rgba(22,199,154,.9)}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 28px -18px rgba(22,199,154,.95)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:999px;border:1px solid var(--line);color:var(--t1);background:transparent;font-weight:600;font-size:15px;
  transition:background var(--t),border-color var(--t),color var(--t)}
.btn-ghost:hover{background:var(--primary-08);border-color:rgba(22,199,154,.4);color:var(--t1)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary-600);
  position:relative;transition:color var(--t)}
.link-more::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--primary);transition:width .18s ease}
.link-more:hover::after{width:100%}
.link-more .arw{transition:transform var(--t)}
.link-more:hover .arw{transform:translateX(4px)}
.badge-cat{display:inline-block;font-size:12px;font-weight:600;line-height:1;padding:5px 10px;border-radius:8px;
  background:rgba(142,123,255,.12);color:#6C59E8}
.badge-state{display:inline-block;font-size:12px;font-weight:600;line-height:1;padding:5px 10px;border-radius:8px;
  background:var(--primary-08);color:var(--primary-600)}
.tag-time{display:inline-block;font-size:12px;font-weight:600;line-height:1;padding:5px 9px;border-radius:8px;
  background:var(--secondary);color:#2A1602}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,13,20,.96);border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(8px)}
.brand-row{border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;gap:24px;min-height:70px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo svg{width:34px;height:34px;flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:15px;font-weight:600;color:var(--t1);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11px;color:var(--t2);letter-spacing:.06em}
.nav-search{position:relative;flex:1 1 auto;max-width:400px;min-width:0}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--t2)}
.nav-search input{width:100%;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);background:var(--ink-800);
  color:var(--t1);font-size:14px;padding:0 14px 0 40px;transition:border-color var(--t),box-shadow var(--t)}
.nav-search input::placeholder{color:#6E7A8F}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-08)}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);
  background:var(--ink-800);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.channel-row{background:var(--ink-950)}
.channel-inner{display:flex;align-items:center;min-height:48px}
.channel-tabs{display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:6px 0;width:100%;-ms-overflow-style:none;scrollbar-width:none}
.channel-tabs::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;font-size:14px;font-weight:500;color:var(--t2);border:1px solid transparent;
  transition:color var(--t),background var(--t),border-color var(--t);white-space:nowrap}
.pill:hover{color:var(--t1);border-color:var(--line);background:rgba(255,255,255,.03)}
.pill.active{background:var(--primary);color:#07120E;font-weight:600}
.pill.active:hover{background:var(--primary);color:#07120E;border-color:transparent}
.drawer{position:fixed;inset:0;z-index:80;background:var(--ink-950);padding:20px 24px 40px;display:none;flex-direction:column;gap:20px;overflow-y:auto}
body.nav-open .drawer{display:flex}
body.nav-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:44px;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);background:var(--ink-800);color:var(--t1);font-size:20px;line-height:1}
.drawer-search{position:relative}
.drawer-search input{width:100%;height:48px;border-radius:var(--r-xs);border:1px solid var(--line);background:var(--ink-800);color:var(--t1);padding:0 14px;font-size:14px}
.drawer-links{display:flex;flex-direction:column;gap:8px}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 16px;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--ink-900);color:var(--t1);font-size:15px}
.drawer-links a.active{border-color:rgba(22,199,154,.5);background:var(--primary-08);color:var(--primary)}
.drawer-cta{margin-top:auto}

/* ---------- 暗区 / 浅区 ---------- */
.dark{background:var(--ink-950);color:var(--t1)}
.dark .sec-sub{color:var(--t2)}
.light{background:var(--paper);color:var(--p-ink)}
.section{padding:var(--pad) 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,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.sec-sub{font-size:14px;color:var(--p-ink2);margin-top:8px;max-width:560px}
.dark .sec-head h2{color:var(--t1)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink-950);color:var(--t1);padding:clamp(48px,7vw,88px) 0 clamp(56px,8vw,96px)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;
  filter:saturate(.75) contrast(1.05)}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,13,20,.97) 0%,rgba(10,13,20,.9) 45%,rgba(10,13,20,.72) 100%)}
.hero .shell{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);padding:6px 12px;border-radius:999px;border:1px solid rgba(22,199,154,.32);background:var(--primary-08)}
.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin:20px 0 16px;color:#fff}
.hero-sub{font-size:17px;line-height:1.8;color:var(--t2);max-width:36ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags li{font-size:12px;font-weight:600;color:var(--t2);padding:6px 12px;border-radius:8px;
  border:1px solid var(--line);background:rgba(255,255,255,.03)}
.hero-visual{display:flex;justify-content:center}
.phone-card{position:relative;width:min(340px,78vw);aspect-ratio:9/16;border-radius:22px;overflow:hidden;
  border:1px solid rgba(255,255,255,.1);box-shadow:var(--sh-dark);background:var(--ink-800)}
.phone-card img{width:100%;height:100%;object-fit:cover;opacity:.92}
.phone-card::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,.35),rgba(10,13,20,0) 35%,rgba(10,13,20,.85) 100%)}
.phone-top{position:absolute;top:14px;left:14px;right:14px;z-index:3;display:flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:999px;background:rgba(10,13,20,.6);border:1px solid rgba(255,255,255,.12);
  font-size:11px;color:var(--t1)}
.phone-top i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;width:46px;height:46px;
  border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(10,13,20,.55);
  display:flex;align-items:center;justify-content:center;transition:transform var(--t),background var(--t)}
.play-btn span{width:0;height:0;border-left:12px solid #fff;border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:3px}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);background:rgba(22,199,154,.55)}
.phone-bar{position:absolute;left:16px;right:16px;bottom:16px;height:4px;border-radius:999px;background:rgba(255,255,255,.18);z-index:3}
.phone-bar i{display:block;height:100%;width:38%;border-radius:999px;background:var(--primary)}
.float-tag{position:absolute;z-index:4;font-size:12px;font-weight:600;line-height:1;padding:6px 10px;border-radius:8px}
.float-tag.t1{left:-14px;top:26%;background:var(--secondary);color:#2A1602;box-shadow:var(--sh-dark)}
.float-tag.t2{right:-12px;bottom:22%;background:rgba(10,13,20,.82);color:var(--t1);border:1px solid var(--line)}

/* ---------- 片段滚动 ---------- */
.reel-strip{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 24px 16px;margin:0 -24px;
  -ms-overflow-style:none;scrollbar-width:none}
.reel-strip::-webkit-scrollbar{display:none}
.reel-card{position:relative;flex:0 0 240px;scroll-snap-align:start;aspect-ratio:3/4;border-radius:var(--r-md);
  overflow:hidden;border:1px solid rgba(255,255,255,.08);background:var(--ink-800);box-shadow:var(--sh-dark);
  transition:transform var(--t),border-color var(--t)}
.reel-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.reel-card::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,0) 38%,rgba(10,13,20,.9) 100%)}
.reel-card:hover{transform:translateY(-3px);border-color:rgba(22,199,154,.45)}
.reel-card:hover img{transform:scale(1.04)}
.reel-body{position:absolute;left:14px;right:14px;bottom:14px;z-index:3}
.reel-body h3{font-size:15px;font-weight:600;line-height:1.45;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.reel-time{position:absolute;left:14px;bottom:auto;top:auto;z-index:4;margin-bottom:64px}
.reel-corner{position:absolute;right:12px;top:12px;z-index:3;width:26px;height:26px;border-radius:50%;
  background:rgba(10,13,20,.6);border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center}
.reel-corner::before{content:"";width:0;height:0;border-left:8px solid #fff;border-top:5px solid transparent;border-bottom:5px solid transparent;margin-left:2px}
.reel-meta{font-size:12px;color:var(--t2);margin-top:10px}

/* ---------- 编号清单 ---------- */
.list-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.list-item{display:flex;align-items:flex-start;gap:16px;padding:20px 0;border-bottom:1px solid #E1E5EC;
  transition:background var(--t)}
.list-item:last-child{border-bottom:none}
.list-item .idx{font-size:26px;font-weight:800;line-height:1.1;color:var(--primary);min-width:44px;
  transition:color var(--t)}
.list-item h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:4px}
.list-item p{font-size:14px;line-height:1.7;color:var(--p-ink2)}
.list-item .go{margin-left:auto;align-self:center;color:#B6BECB;transition:transform var(--t),color var(--t)}
.list-item:hover .idx{color:var(--secondary)}
.list-item:hover .go{transform:translateX(4px);color:var(--primary)}
.anchor-figure{margin-top:8px;border-radius:var(--r-md);overflow:hidden;border:1px solid #E1E5EC;box-shadow:var(--sh-1)}
.anchor-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.anchor-figure figcaption{font-size:13px;color:var(--p-ink2);padding:12px 16px;background:#fff;border-top:1px solid #EDF0F4}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid #E3E7ED;border-radius:var(--r-sm);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.news-card:hover{transform:translateY(-3px);border-color:rgba(22,199,154,.4);box-shadow:0 20px 36px -26px rgba(6,10,18,.5)}
.news-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#171C27,#26303F);display:flex;align-items:center;
  justify-content:center;position:relative}
.news-thumb .mark{font-size:28px;font-weight:800;color:rgba(22,199,154,.85);letter-spacing:.1em}
.news-thumb::after{content:"";position:absolute;right:12px;top:12px;width:8px;height:8px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(22,199,154,.16)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden}
.news-sum{font-size:14px;line-height:1.7;color:var(--p-ink2);display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid #EEF1F5;font-size:13px;color:#8A93A3}
.news-foot .arrow{color:var(--primary-600);font-weight:700;transition:transform var(--t)}
.news-card:hover .news-foot .arrow{transform:translateX(4px)}
.empty-state{text-align:center;padding:56px 24px;background:#fff;border:1px dashed #DCE2EA;border-radius:var(--r-sm)}
.empty-state .ico{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;background:var(--primary-08);
  display:flex;align-items:center;justify-content:center;color:var(--primary-600);font-size:20px}
.empty-state h3{font-size:15px;font-weight:600;margin-bottom:6px}
.empty-state p{font-size:13px;color:var(--p-ink2);margin-bottom:16px}

/* ---------- 口碑 ---------- */
.voice-strip{display:flex;gap:16px;overflow-x:auto;padding:4px 24px 16px;margin:0 -24px;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none}
.voice-strip::-webkit-scrollbar{display:none}
.voice-card{flex:0 0 280px;scroll-snap-align:start;background:rgba(255,255,255,.06);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;display:flex;flex-direction:column;gap:14px;transition:border-color var(--t),transform var(--t)}
.voice-card:hover{transform:translateY(-3px);border-color:rgba(22,199,154,.4)}
.voice-card p{font-size:15px;line-height:1.75;color:var(--t1)}
.voice-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.voice-name{font-size:13px;font-weight:600;color:var(--t2)}
.stars{color:var(--secondary);font-size:12px;letter-spacing:2px}
.voice-note{font-size:12px;color:#6E7A8F;margin-top:16px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.faq-wrap h2{font-size:clamp(22px,3vw,34px);font-weight:700;line-height:1.25}
.faq-aside p{font-size:14px;color:var(--p-ink2);margin-top:12px;max-width:30ch}
.faq-list{border-top:1px solid #E1E5EC}
.faq-item{border-bottom:1px solid #E1E5EC}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;cursor:pointer;font-size:16px;font-weight:600;line-height:1.6;transition:background var(--t)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .pm{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform var(--t)}
.faq-item summary .pm::before,.faq-item summary .pm::after{content:"";position:absolute;background:var(--p-ink2);
  border-radius:2px;transition:background var(--t),transform var(--t)}
.faq-item summary .pm::before{left:0;top:9px;width:20px;height:2px}
.faq-item summary .pm::after{left:9px;top:0;width:2px;height:20px}
.faq-item summary:hover{background:var(--primary-08)}
.faq-item[open] summary{background:var(--primary-08);border-radius:var(--r-xs)}
.faq-item[open] summary .pm{transform:rotate(45deg)}
.faq-item[open] summary .pm::before,.faq-item[open] summary .pm::after{background:var(--primary-600)}
.faq-answer{padding:4px 4px 22px;font-size:15px;line-height:1.8;color:var(--p-ink2);max-width:60ch}

/* ---------- 转化条 ---------- */
.cta-band{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:clamp(32px,5vw,56px) 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;color:var(--t1);line-height:1.3}
.cta-inner p{font-size:14px;color:var(--t2);margin-top:8px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-link{font-size:14px;font-weight:600;color:var(--t1);border-bottom:1px solid rgba(255,255,255,.25);
  padding-bottom:2px;transition:color var(--t),border-color var(--t)}
.cta-link:hover{color:var(--primary);border-color:var(--primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);color:var(--t2);border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13px;line-height:1.8;max-width:32ch}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12px;color:var(--t2);padding:4px 10px;border-radius:8px;border:1px solid var(--line)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;line-height:1.9;color:var(--t2);transition:color var(--t)}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13px;line-height:1.9}
.footer-bottom{margin-top:44px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#6E7A8F}
.footer-bottom .sep{display:inline-block;width:1px;height:12px;background:var(--line);margin:0 10px;vertical-align:middle}

/* ---------- 移动吸底 ---------- */
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(10,13,20,.97);
  border-top:1px solid var(--line);padding:10px 16px}
.mobile-cta .btn-main{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col.contact{grid-column:1 / -1}
}
@media (max-width:991px){
  .nav-search{display:none}
  .brand-actions .btn-main{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:none}
  .hero-visual{order:2}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .list-grid{grid-template-columns:1fr}
  .mobile-cta{display:block}
  body{padding-bottom:76px}
}
@media (max-width:767px){
  .shell{padding:0 16px}
  .brand-inner{min-height:64px;gap:12px}
  .logo-text strong{font-size:14px}
  .logo-text em{font-size:10px}
  .hero{padding-top:40px}
  .float-tag.t1{left:-6px}
  .float-tag.t2{right:-4px}
  .reel-card{flex:0 0 208px}
  .reel-strip,.voice-strip{margin:0 -16px;padding-left:16px;padding-right:16px}
  .voice-card{flex:0 0 250px}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col.contact{grid-column:1 / -1}
}
@media (max-width:519px){
  .hero h1{font-size:clamp(26px,8vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .sec-head{align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --ink-950:#0A0D14;--ink-900:#10141D;--ink-800:#171C27;--line:#262D3C;
  --t1:#E9EDF4;--t2:#98A2B6;
  --paper:#F6F7F9;--paper-2:#ECEFF3;--pt1:#151A23;--pt2:#5B6475;
  --primary:#16C79A;--primary-600:#0FA681;--primary-08:rgba(22,199,154,.08);
  --secondary:#FF9A3C;--accent:#8E7BFF;--accent-08:rgba(142,123,255,.12);
  --r-xl:22px;--r-lg:20px;--r-md:16px;--r-sm:14px;--r-xs:12px;
  --sh-1:0 1px 2px rgba(6,10,18,.06),0 12px 28px -20px rgba(6,10,18,.35);
  --sh-dark:0 18px 44px -28px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.05);
  --ease:cubic-bezier(.2,.7,.3,1);
  --shell:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;background:var(--ink-950);color:var(--t1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease);}
a:hover{color:var(--primary);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:inherit;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;}
@media(min-width:1400px){.shell{max-width:1320px;}}
@media(max-width:767px){.shell{padding:0 16px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,13,20,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(140%) blur(6px);}
.brand-bar{height:70px;display:flex;align-items:center;border-bottom:1px solid var(--line);}
.brand-inner{display:flex;align-items:center;gap:24px;width:100%;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo svg{width:36px;height:36px;flex:0 0 auto;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--t1);}
.logo-text em{font-style:normal;font-size:11px;color:var(--t2);letter-spacing:.02em;}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:420px;min-width:0;}
.nav-search svg{position:absolute;left:14px;width:16px;height:16px;color:var(--t2);pointer-events:none;}
.nav-search input{
  width:100%;height:44px;padding:0 16px 0 40px;border-radius:var(--r-xs);
  background:var(--ink-800);border:1px solid var(--line);color:var(--t1);font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search input::placeholder{color:#6C7688;}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-08);}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);}
.btn-primary{height:46px;padding:0 24px;background:var(--primary);color:#07120E;font-size:15px;box-shadow:0 10px 24px -16px rgba(22,199,154,.9);}
.btn-primary:hover{background:#1DD7A7;color:#07120E;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(22,199,154,.85);}
.btn-ghost{height:46px;padding:0 22px;background:transparent;border-color:var(--line);color:var(--t1);font-size:15px;}
.btn-ghost:hover{border-color:rgba(22,199,154,.4);background:var(--primary-08);color:var(--primary);}
.btn-outline-light{height:46px;padding:0 22px;border-color:rgba(255,255,255,.24);color:var(--t1);background:transparent;font-size:15px;}
.btn-outline-light:hover{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.4);}
.nav-toggle{display:none;width:46px;height:46px;border-radius:12px;background:var(--ink-800);border:1px solid var(--line);color:var(--t1);align-items:center;justify-content:center;}
.nav-toggle svg{width:20px;height:20px;}
.channel-tabs{
  display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
  max-width:var(--shell);margin:0 auto;padding:0 24px;
}
.channel-tabs::-webkit-scrollbar{display:none;}
.channel-tabs .pill{
  flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;font-size:14px;color:var(--t2);border:1px solid transparent;white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.channel-tabs .pill:hover{color:var(--t1);border-color:var(--line);background:rgba(255,255,255,.03);}
.channel-tabs .pill.active{background:var(--primary);color:#07120E;font-weight:600;}
@media(min-width:1400px){.channel-tabs{max-width:1320px;}}
@media(max-width:991px){
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-actions .btn-primary{display:none;}
  .channel-tabs{padding:0 16px;}
}
.mobile-drawer{
  display:none;position:fixed;inset:118px 0 0 0;z-index:55;background:var(--ink-950);
  border-top:1px solid var(--line);padding:24px 20px 40px;overflow-y:auto;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .nav-search{display:flex;max-width:none;margin-bottom:20px;}
.mobile-drawer .drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.mobile-drawer .drawer-links a{padding:14px 12px;border-radius:12px;font-size:15px;color:var(--t1);border:1px solid transparent;}
.mobile-drawer .drawer-links a:hover{background:var(--ink-800);border-color:var(--line);color:var(--primary);}
.mobile-drawer .btn-primary{width:100%;}

/* ---------- 面包屑 ---------- */
.crumbs-bar{padding:20px 0 0;background:var(--ink-950);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t2);}
.crumbs a{color:var(--t2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#4B5468;}
.crumbs .now{color:var(--t1);}

/* ---------- 文章头部（暗区） ---------- */
.article-hero{background:var(--ink-950);padding:20px 0 56px;position:relative;overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
}
.article-hero>.shell{position:relative;z-index:1;}
.hero-cat{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;background:var(--primary-08);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;}
.article-hero h1{
  font-size:clamp(26px,3.6vw,40px);font-weight:800;line-height:1.28;letter-spacing:-.02em;color:var(--t1);
  max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--t2);}
.meta-row .tag{padding:4px 10px;border-radius:8px;background:var(--accent-08);color:#B6A9FF;font-size:12px;font-weight:600;}
.meta-row .dot{color:#4B5468;}
.cover-wrap{margin-top:28px;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.07);box-shadow:var(--sh-dark);}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ink-800);}

/* ---------- 正文区（浅纸面） ---------- */
.article-stage{background:var(--paper);color:var(--pt1);padding:56px 0 72px;border-top:1px solid var(--line);}
.stage-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
@media(min-width:992px){.stage-grid{grid-template-columns:minmax(0,1fr) 320px;gap:56px;}}
.article-body{max-width:820px;font-size:16px;line-height:1.9;color:#242B38;word-break:break-word;}
.article-body>*+*{margin-top:1.2em;}
.article-body p{color:#2C3444;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--pt1);
  margin-top:40px;padding-left:16px;line-height:1.4;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--primary);}
.article-body h3{font-size:19px;font-weight:600;color:var(--pt1);margin-top:28px;}
.article-body h4{font-size:16px;font-weight:600;color:var(--pt1);margin-top:22px;}
.article-body ul,.article-body ol{padding-left:22px;color:#2C3444;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin:.5em 0;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;background:var(--primary);border-radius:2px;}
.article-body ol{list-style:decimal;}
.article-body ol li{margin:.5em 0;padding-left:4px;}
.article-body blockquote{
  margin:28px 0;padding:20px 22px;background:var(--paper-2);border-left:3px solid var(--primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:#39445A;font-size:15.5px;
}
.article-body blockquote p{margin:0;color:#39445A;}
.article-body code{
  background:#E4E8EF;color:#0E5C4A;padding:2px 6px;border-radius:6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
}
.article-body pre{
  background:var(--ink-900);color:#D6DEEA;border:1px solid var(--line);border-radius:var(--r-xs);
  padding:18px 20px;overflow-x:auto;font-size:13.5px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body img{border-radius:var(--r-sm);border:1px solid rgba(6,10,18,.08);}
.article-body figure{margin:28px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--pt2);margin-top:10px;}
.article-body a{color:#0B7F63;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--primary-600);}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid #DFE4EC;border-radius:var(--r-xs);overflow:hidden;font-size:14.5px;margin:26px 0;}
.article-body thead th{background:#E9EDF4;color:var(--pt1);font-weight:600;text-align:left;padding:12px 14px;}
.article-body tbody td{padding:12px 14px;border-top:1px solid #E6EAf1;color:#2C3444;}
.article-body tbody tr:nth-child(even){background:#FAFBFC;}
.article-body hr{border:none;border-top:1px solid #E1E6EE;margin:34px 0;}

/* 空态 */
.empty-state{background:#fff;border:1px solid #E3E7ED;border-radius:var(--r-lg);padding:56px 24px;text-align:center;box-shadow:var(--sh-1);}
.empty-state svg{width:44px;height:44px;color:#B6BECD;margin:0 auto 16px;}
.empty-state h2{font-size:17px;font-weight:700;color:var(--pt1);margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--pt2);margin-bottom:20px;}
.empty-state .btn-ghost{border-color:#D7DDE7;color:var(--pt1);}
.empty-state .btn-ghost:hover{border-color:var(--primary);color:var(--primary-600);background:var(--primary-08);}

/* 侧栏 */
.side{display:none;}
@media(min-width:992px){.side{display:block;}}
.side-inner{position:sticky;top:140px;display:flex;flex-direction:column;gap:24px;}
.side-card{background:#fff;border:1px solid #E3E7ED;border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);}
.side-card h3{font-size:14px;font-weight:700;color:var(--pt1);letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary);}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:1px solid #E3E7ED;}
.toc-list a{display:block;font-size:13.5px;line-height:1.6;color:var(--pt2);padding:8px 12px;border-left:2px solid transparent;margin-left:-1px;}
.toc-list a:hover{color:var(--primary-600);background:var(--primary-08);}
.toc-list a.is-active{color:var(--primary-600);border-left-color:var(--primary);font-weight:600;background:var(--primary-08);}
.toc-list .lvl3{padding-left:26px;font-size:13px;}
.rec-mini{display:flex;flex-direction:column;gap:14px;}
.rec-mini a{display:block;padding-bottom:14px;border-bottom:1px dashed #E3E7ED;}
.rec-mini a:last-child{border-bottom:none;padding-bottom:0;}
.rec-mini strong{display:block;font-size:14px;font-weight:600;color:var(--pt1);line-height:1.55;margin-bottom:6px;transition:color .18s var(--ease);}
.rec-mini a:hover strong{color:var(--primary-600);}
.rec-mini span{font-size:12.5px;color:var(--pt2);font-variant-numeric:tabular-nums;}

/* 相关推荐 */
.related-block{background:var(--paper-2);padding:64px 0 72px;color:var(--pt1);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;letter-spacing:-.01em;color:var(--pt1);}
.sec-head p{font-size:13.5px;color:var(--pt2);margin-top:6px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary-600);}
.link-arrow svg{width:14px;height:14px;transition:transform .18s var(--ease);}
.link-arrow:hover{color:var(--primary);}
.link-arrow:hover svg{transform:translateX(4px);}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:576px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:992px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.rel-card{background:#fff;border:1px solid #E3E7ED;border-radius:var(--r-md);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);box-shadow:var(--sh-1);}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(22,199,154,.4);box-shadow:0 18px 36px -24px rgba(6,10,18,.5);}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ink-800);}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card .badge-cat{align-self:flex-start;padding:4px 10px;border-radius:8px;background:var(--accent-08);color:#6C5BE0;font-size:12px;font-weight:600;}
.rel-card h3{font-size:16.5px;font-weight:600;line-height:1.5;color:var(--pt1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card p{font-size:13.5px;line-height:1.7;color:var(--pt2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--pt2);padding-top:6px;}
.rel-card .foot svg{width:15px;height:15px;color:var(--primary-600);}
.back-row{margin-top:36px;display:flex;justify-content:center;}

/* CTA */
.cta-band{background:var(--ink-900);border-top:1px solid var(--line);padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(19px,2.4vw,24px);font-weight:700;color:var(--t1);letter-spacing:-.01em;}
.cta-inner p{font-size:14.5px;color:var(--t2);margin-top:8px;max-width:640px;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.cta-actions .link-arrow{color:var(--primary);}
.cta-actions .link-arrow:hover{color:#3FE2B8;}

/* 页脚 */
.site-footer{background:var(--ink-950);border-top:1px solid var(--line);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:var(--t2);max-width:330px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-tags span{font-size:12px;padding:4px 10px;border-radius:8px;background:rgba(255,255,255,.05);color:var(--t2);border:1px solid var(--line);}
.footer-col h4{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:2px;}
.footer-col ul a{display:inline-block;font-size:14px;line-height:1.9;color:var(--t2);padding:2px 0;}
.footer-col ul a:hover{color:var(--primary);}
.footer-col.contact p{font-size:13.5px;line-height:1.8;color:var(--t2);margin-bottom:10px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12px;color:#6C7688;font-variant-numeric:tabular-nums;
}
.footer-bottom .sep{display:inline-block;width:1px;height:11px;background:var(--line);margin:0 10px;vertical-align:-1px;}

@media(max-width:575px){
  .article-hero{padding-bottom:40px;}
  .article-stage{padding:36px 0 52px;}
  .related-block{padding:44px 0 52px;}
  .cta-band{padding:40px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}

/* roulang page: category1 */
:root{
  --ink-950:#0A0D14;
  --ink-900:#10141D;
  --ink-800:#171C27;
  --line:#262D3C;
  --t1:#E9EDF4;
  --t2:#98A2B6;
  --paper:#F6F7F9;
  --paper-2:#ECEFF3;
  --ink-text:#151A23;
  --ink-text2:#5B6475;
  --primary:#16C79A;
  --primary-600:#0FA681;
  --primary-08:rgba(22,199,154,.08);
  --secondary:#FF9A3C;
  --accent:#8E7BFF;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 1px 2px rgba(6,10,18,.06),0 12px 28px -20px rgba(6,10,18,.35);
  --sh-dark:0 18px 44px -28px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.05);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",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:1.75;
  color:var(--ink-text);
  background:var(--ink-950);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.shell{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.brandbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo svg{width:34px;height:34px;flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:15px;font-weight:700;color:var(--t1);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11px;color:var(--t2);letter-spacing:.02em}
.search-box{
  position:relative;
  flex:1 1 auto;
  max-width:400px;
  margin-left:auto;
}
.search-box svg{
  position:absolute;
  left:14px;
  top:50%;
  transform:translateY(-50%);
  width:16px;height:16px;
  stroke:var(--t2);
  pointer-events:none;
}
.search-box input{
  width:100%;
  height:42px;
  padding:0 16px 0 40px;
  border-radius:var(--r-xs);
  border:1px solid var(--line);
  background:var(--ink-800);
  color:var(--t1);
  font-size:14px;
  outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box input::placeholder{color:#6C7689}
.search-box input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(22,199,154,.16);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  background:var(--primary);
  color:#07120E;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:filter .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  box-shadow:0 10px 24px -16px rgba(22,199,154,.9);
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-main:active{transform:translateY(0)}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--t1);
  font-size:15px;
  font-weight:600;
  background:transparent;
  transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-outline:hover{background:var(--primary-08);border-color:rgba(22,199,154,.45);color:var(--primary)}
.btn-ghost-dark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid #D6DBE4;
  background:#fff;
  color:var(--ink-text);
  font-size:15px;
  font-weight:600;
  transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-ghost-dark:hover{background:var(--primary-08);border-color:rgba(22,199,154,.55);color:var(--primary-600)}
.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  background:var(--ink-800);
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  background:var(--t1);
  position:relative;
  border-radius:2px;
}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

.tabsbar{
  border-top:1px solid rgba(255,255,255,.04);
  background:var(--ink-900);
}
.tabs-wrap{
  position:relative;
  display:flex;
  align-items:center;
  height:48px;
}
.channel-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  padding:6px 0;
  width:100%;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-tabs::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--t2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.pill:hover{color:var(--t1);border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.04)}
.pill.active{
  background:var(--primary);
  color:#07120E;
  font-weight:600;
  border-color:var(--primary);
}
.tabs-wrap::after{
  content:"";
  position:absolute;
  right:0;top:0;bottom:0;
  width:48px;
  background:linear-gradient(90deg,rgba(16,20,29,0) 0%,rgba(16,20,29,.95) 100%);
  pointer-events:none;
}

/* 移动抽屉 */
.mobile-drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(10,13,20,.96);
  padding:20px 20px 32px;
  overflow-y:auto;
}
.mobile-drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--t1);font-size:20px;
}
.drawer-search{position:relative;margin-bottom:20px}
.drawer-search input{
  width:100%;height:48px;border-radius:var(--r-xs);border:1px solid var(--line);
  background:var(--ink-800);color:var(--t1);padding:0 16px;font-size:15px;outline:none;
}
.drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(22,199,154,.16)}
.drawer-label{font-size:12px;color:var(--t2);letter-spacing:.08em;margin-bottom:10px}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:12px;border:1px solid var(--line);
  color:var(--t1);font-size:15px;background:var(--ink-900);
}
.drawer-links a.active{background:var(--primary);color:#07120E;border-color:var(--primary);font-weight:600}
.drawer-cta{width:100%}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;
  color:var(--t1);
  background:
    linear-gradient(180deg,rgba(10,13,20,.92) 0%,rgba(10,13,20,.88) 60%,rgba(10,13,20,.96) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  background-color:var(--ink-950);
  border-bottom:1px solid var(--line);
  padding:clamp(40px,6vw,72px) 0 clamp(36px,5vw,60px);
}
.cat-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:3px 3px;
  pointer-events:none;
  opacity:.7;
}
.cat-hero .shell{position:relative;z-index:1}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t2);margin-bottom:20px;
}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{color:#3A4254}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:end;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:8px;
  background:rgba(142,123,255,.14);
  color:#BCB0FF;
  font-size:12px;font-weight:600;
  margin-bottom:18px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:16px;
  max-width:19em;
}
.cat-hero h1 .hl{color:var(--primary)}
.hero-desc{
  max-width:36em;
  font-size:15.5px;
  line-height:1.8;
  color:var(--t2);
}
.hero-side{
  text-align:right;
  font-size:13px;
  color:var(--t2);
  white-space:nowrap;
  padding-bottom:6px;
}
.hero-side strong{
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--t1);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-tags span{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:12px;color:var(--t2);
}

/* ============ 筛选行 ============ */
.filter-bar{
  background:var(--paper);
  border-bottom:1px solid #E3E7ED;
}
.filter-inner{
  display:flex;align-items:center;gap:10px;
  padding:14px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.filter-inner::-webkit-scrollbar{display:none}
.filter-inner .label{
  font-size:13px;color:var(--ink-text2);flex:0 0 auto;margin-right:4px;
}
.f-pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;border-radius:999px;
  border:1px solid #DFE4EC;
  background:#fff;
  color:var(--ink-text2);
  font-size:13.5px;font-weight:500;
  white-space:nowrap;
  transition:all .18s var(--ease);
}
.f-pill:hover{border-color:rgba(22,199,154,.5);color:var(--primary-600);background:var(--primary-08)}
.f-pill.active{
  background:var(--ink-900);
  border-color:var(--ink-900);
  color:#fff;
  font-weight:600;
}

/* ============ 竖卡频道流 ============ */
.section{padding:clamp(48px,7vw,88px) 0}
.section-light{background:var(--paper)}
.section-white{background:#fff}
.section-dark{background:var(--ink-950)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-head .sub{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-text2);
  max-width:34em;
}
.textlink{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary-600);
  white-space:nowrap;
}
.textlink svg{width:14px;height:14px;transition:transform .18s var(--ease)}
.textlink:hover svg{transform:translateX(4px)}

.flow-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.v-item{display:flex;flex-direction:column;gap:12px}
.v-card{
  position:relative;
  display:block;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--ink-800);
  border:1px solid #E3E7ED;
  box-shadow:var(--sh-1);
  aspect-ratio:3/4;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.v-card:hover{transform:translateY(-3px);border-color:rgba(22,199,154,.4);box-shadow:0 20px 40px -28px rgba(6,10,18,.6)}
.v-card img{
  position:absolute;inset:0;width:100%;height:100%;
  transition:transform .35s var(--ease);
}
.v-card:hover img{transform:scale(1.04)}
.v-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,0) 34%,rgba(10,13,20,.82) 78%,rgba(10,13,20,.94) 100%);
}
.v-play{
  position:absolute;left:50%;top:44%;
  transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(10,13,20,.55);
  border:1px solid rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.v-play::after{
  content:"";width:0;height:0;
  border-left:12px solid #fff;
  border-top:7px solid transparent;
  border-bottom:7px solid transparent;
  margin-left:3px;
}
.v-card:hover .v-play{background:rgba(22,199,154,.85);transform:translate(-50%,-50%) scale(1.06)}
.v-dur{
  position:absolute;left:12px;bottom:56px;
  padding:3px 9px;border-radius:8px;
  background:var(--secondary);
  color:#231502;
  font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.v-new{
  position:absolute;right:12px;top:12px;
  padding:3px 9px;border-radius:8px;
  background:rgba(22,199,154,.92);
  color:#07120E;
  font-size:12px;font-weight:700;
}
.v-title{
  position:absolute;left:14px;right:14px;bottom:14px;
  color:#fff;font-size:16px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.v-note{
  font-size:13px;
  color:var(--ink-text2);
  line-height:1.6;
  padding-left:2px;
}
.v-note strong{color:var(--ink-text);font-weight:600}

/* ============ 通道核对要点 ============ */
.points-wrap{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  align-items:start;
}
.points-list{border-top:1px solid #E1E5EC}
.point-row{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:18px;
  align-items:start;
  padding:22px 0;
  border-bottom:1px solid #E1E5EC;
  transition:background .18s var(--ease);
}
.point-row:hover{background:rgba(22,199,154,.05)}
.point-num{
  font-size:24px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.1;
  transition:color .18s var(--ease);
}
.point-row:hover .point-num{color:var(--secondary)}
.point-body h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
.point-body p{font-size:14px;color:var(--ink-text2);line-height:1.7;max-width:34em}
.point-arrow{
  width:20px;height:20px;margin-top:4px;color:#AEB6C4;
  transition:transform .18s var(--ease),color .18s var(--ease);
}
.point-row:hover .point-arrow{transform:translateX(4px);color:var(--primary)}
.points-figure{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid #E3E7ED;
  box-shadow:var(--sh-1);
  background:var(--paper-2);
}
.points-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.points-figure figcaption{
  padding:14px 18px;
  font-size:13px;
  color:var(--ink-text2);
  background:#fff;
  border-top:1px solid #EDF0F4;
}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);
  gap:48px;
  align-items:start;
}
.faq-intro h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:700;line-height:1.25;margin-bottom:12px;
}
.faq-intro p{font-size:14.5px;color:var(--ink-text2);max-width:22em;line-height:1.8}
.faq-list{border-top:1px solid #DFE4EC}
.faq-item{border-bottom:1px solid #DFE4EC}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;
  text-align:left;
  font-size:16px;font-weight:600;
  color:var(--ink-text);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.faq-q:hover{color:var(--primary-600)}
.faq-q .plus{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;border-radius:6px;
  border:1px solid #D5DBE5;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--ink-text2);
  transform:translate(-50%,-50%);
  transition:background .2s var(--ease);
}
.faq-q .plus::before{width:10px;height:1.5px}
.faq-q .plus::after{width:1.5px;height:10px}
.faq-q[aria-expanded="true"]{background:var(--primary-08);color:var(--primary-600)}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg);border-color:var(--primary);background:#fff}
.faq-q[aria-expanded="true"] .plus::before,
.faq-q[aria-expanded="true"] .plus::after{background:var(--primary-600)}
.faq-a{
  padding:2px 4px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-text2);
  max-width:40em;
}

/* ============ 底部转化条 ============ */
.cta-band{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  color:var(--t1);
  padding:clamp(36px,5vw,56px) 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(20px,2.6vw,26px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:8px;
}
.cta-inner p{font-size:14.5px;color:var(--t2);max-width:36em}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--t2);
}
.cta-link:hover{color:var(--primary)}
.cta-link svg{width:14px;height:14px;transition:transform .18s var(--ease)}
.cta-link:hover svg{transform:translateX(4px)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-950);
  color:var(--t2);
  border-top:1px solid var(--line);
  padding:clamp(44px,6vw,64px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:26em}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:8px;
  background:rgba(22,199,154,.09);
  border:1px solid rgba(22,199,154,.18);
  color:#7FDDC3;
  font-size:12px;font-weight:600;
}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col li a{
  display:inline-block;
  font-size:14px;
  line-height:1.9;
  color:var(--t2);
  padding:4px 0;
}
.footer-col li a:hover{color:var(--primary)}
.footer-col.contact p{font-size:13.5px;line-height:1.9;margin-bottom:10px;max-width:24em}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--t2);
}
.footer-bottom .sep{
  display:inline-block;
  width:1px;height:10px;
  background:#3A4254;
  margin:0 10px;
  vertical-align:middle;
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .shell{max-width:1320px}
}
@media (max-width:991px){
  .search-box{display:none}
  .hamburger{display:flex}
  .header-actions .btn-main{display:none}
  .hero-grid{grid-template-columns:1fr;gap:20px;align-items:start}
  .hero-side{text-align:left;padding-bottom:0}
  .hero-side strong{display:inline;font-size:20px}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .points-wrap{grid-template-columns:1fr;gap:32px}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .shell{padding-left:16px;padding-right:16px}
  .brandbar-inner{height:64px;gap:12px}
  .logo-text strong{font-size:14px}
  .logo-text em{font-size:10.5px}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .v-title{font-size:14.5px;left:12px;right:12px;bottom:12px}
  .v-dur{bottom:52px;left:10px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-actions{width:100%}
  .cta-actions .btn-main{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:575px){
  .flow-grid{grid-template-columns:1fr;gap:20px}
  .v-card{aspect-ratio:4/5}
  .point-row{grid-template-columns:auto minmax(0,1fr);gap:14px}
  .point-arrow{display:none}
  .pill{height:32px;padding:0 14px;font-size:13px}
  .cat-hero h1{font-size:26px}
  .btn-main,.btn-outline,.btn-ghost-dark{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch;gap:12px}
  .cta-link{justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .v-card:hover,.v-card:hover img,.btn-main:hover{transform:none!important}
}

/* roulang page: category2 */
:root{
  --ink-950:#0A0D14;
  --ink-900:#10141D;
  --ink-800:#171C27;
  --line:#262D3C;
  --t1:#E9EDF4;
  --t2:#98A2B6;
  --paper:#F6F7F9;
  --paper-2:#ECEFF3;
  --on-paper:#151A23;
  --on-paper-2:#5B6475;
  --primary:#16C79A;
  --primary-600:#0FA681;
  --primary-08:rgba(22,199,154,.08);
  --secondary:#FF9A3C;
  --accent:#8E7BFF;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 1px 2px rgba(6,10,18,.06), 0 12px 28px -20px rgba(6,10,18,.35);
  --sh-dark:0 18px 44px -28px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.05);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --gutter:24px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--ink-950);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
p{margin:0 0 12px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:var(--primary);color:#07120E;}

.shell{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--primary);color:#07120E;box-shadow:0 10px 24px -16px rgba(22,199,154,.9);}
.btn-primary:hover{background:#1FD9A9;color:#07120E;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line);}
.btn-ghost:hover{background:var(--primary-08);border-color:rgba(22,199,154,.45);color:#fff;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-paper{background:var(--primary);color:#07120E;}
.btn-paper-outline{border-color:rgba(21,26,35,.18);color:var(--on-paper);background:transparent;}
.btn-paper-outline:hover{background:var(--primary-08);border-color:rgba(15,166,129,.5);}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:8px;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  letter-spacing:.01em;
}
.tag-ver{background:rgba(142,123,255,.14);color:#B6AAFF;}
.tag-type{background:var(--primary-08);color:#4FE0BB;}
.tag-time{background:rgba(255,255,255,.06);color:var(--t2);}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  border-bottom:2px solid transparent;
  transition:border-color .18s var(--ease);
}
.link-more:hover{border-bottom-color:var(--primary);}
.link-more span{transition:transform .18s var(--ease);}
.link-more:hover span{transform:translateX(4px);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(10,13,20,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:68px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo svg{width:38px;height:38px;flex-shrink:0;}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text strong{font-size:15px;font-weight:700;color:var(--t1);letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--t2);letter-spacing:.04em;}
.topbar-search{
  position:relative;
  flex:1 1 auto;
  max-width:420px;
  margin:0 auto;
}
.topbar-search input{
  width:100%;
  height:44px;
  padding:0 16px 0 42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--ink-800);
  color:var(--t1);
  font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.topbar-search input::placeholder{color:#6B7689;}
.topbar-search input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(22,199,154,.16);
}
.topbar-search .search-icon{
  position:absolute;
  left:14px;
  top:50%;
  transform:translateY(-50%);
  width:16px;height:16px;
  color:var(--t2);
  pointer-events:none;
}
.topbar-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--ink-800);
  color:var(--t1);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:currentColor;position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.channel-bar{border-top:1px solid rgba(38,45,60,.55);background:var(--ink-950);}
.channel-wrap{position:relative;}
.channel-wrap::after{
  content:"";
  position:absolute;right:0;top:0;bottom:0;width:48px;
  background:linear-gradient(90deg,rgba(10,13,20,0),rgba(10,13,20,.95));
  pointer-events:none;
}
.channel-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:48px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channel-tabs::-webkit-scrollbar{display:none;}
.channel-tabs .pill{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:13.5px;
  font-weight:600;
  color:var(--t2);
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.channel-tabs .pill:hover{color:var(--t1);border-color:var(--line);background:var(--ink-800);}
.channel-tabs .pill.active{background:var(--primary);color:#07120E;border-color:var(--primary);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  background:rgba(6,9,15,.72);
}
.drawer.open{display:block;}
.drawer-panel{
  position:absolute;
  inset:0;
  background:var(--ink-950);
  padding:20px var(--gutter) 32px;
  overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--ink-800);color:var(--t1);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-search{position:relative;margin-bottom:20px;}
.drawer-search input{
  width:100%;height:48px;border-radius:12px;border:1px solid var(--line);
  background:var(--ink-800);color:var(--t1);padding:0 16px 0 42px;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(22,199,154,.16);}
.drawer-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--t2);}
.drawer-title{font-size:12px;font-weight:600;letter-spacing:.1em;color:#6B7689;margin:20px 0 10px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  border:1px solid transparent;color:var(--t2);font-size:15px;font-weight:600;
}
.drawer-links a:hover{background:var(--ink-800);border-color:var(--line);color:var(--t1);}
.drawer-links a.active{background:var(--primary-08);border-color:rgba(22,199,154,.4);color:var(--primary);}
.drawer-cta{margin-top:24px;}
.drawer-cta .btn{width:100%;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:clamp(36px,5vw,64px) 0 clamp(40px,6vw,72px);
  background:
    linear-gradient(180deg,rgba(10,13,20,.92) 0%,rgba(10,13,20,.86) 55%,var(--ink-950) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:4px 4px;
  opacity:.55;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:clamp(24px,4vw,56px);
  align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--t2);margin-bottom:18px;
}
.breadcrumb a{color:var(--t2);transition:color .18s var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#4C5668;}
.breadcrumb [aria-current]{color:var(--t1);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(22,199,154,.35);
  background:var(--primary-08);
  font-size:12px;font-weight:600;color:var(--primary);
  margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:block;}
.hero-copy h1{
  font-size:clamp(30px,4.6vw,46px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-0.02em;
  margin-bottom:16px;
}
.hero-sub{
  font-size:clamp(15px,1.5vw,17px);
  color:var(--t2);
  line-height:1.8;
  max-width:38em;
  margin-bottom:22px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hero-tags span{
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  font-size:12.5px;font-weight:600;color:var(--t2);
}
.hero-side{display:flex;flex-direction:column;gap:14px;}
.hero-figure{
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.08);
  overflow:hidden;
  box-shadow:var(--sh-dark);
  background:var(--ink-800);
  aspect-ratio:16/11;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-count{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--t2);margin:0;
  font-variant-numeric:tabular-nums;
}
.hero-count b{color:var(--primary);font-size:16px;font-weight:800;}

/* ---------- 筛选行 ---------- */
.filter-bar{
  position:relative;
  z-index:2;
  background:var(--paper);
  border-bottom:1px solid #E1E5EB;
}
.filter-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
  padding-top:16px;padding-bottom:16px;
}
.filter-pills{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-pills span{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;border:1px solid #DCE1E8;
  background:#fff;color:var(--on-paper-2);
  font-size:13px;font-weight:600;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.filter-pills span:hover{border-color:rgba(15,166,129,.5);color:var(--on-paper);}
.filter-pills span.active{background:var(--on-paper);color:#fff;border-color:var(--on-paper);}
.filter-hint{font-size:12.5px;color:var(--on-paper-2);font-variant-numeric:tabular-nums;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,8vw,96px) 0;}
.section-paper{background:var(--paper);color:var(--on-paper);}
.section-paper-2{background:var(--paper-2);color:var(--on-paper);}
.section-dark{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;
  margin-bottom:clamp(24px,3vw,32px);
}
.section-head h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:700;line-height:1.25;
  margin-bottom:8px;
}
.section-head p{font-size:14.5px;color:var(--on-paper-2);margin:0;}
.section-dark .section-head p{color:var(--t2);}
.section-note{font-size:13px;color:var(--on-paper-2);font-variant-numeric:tabular-nums;}
.section-dark .section-note{color:var(--t2);}

/* ---------- 对照清单 ---------- */
.compare-list{
  border-top:1px solid #E1E5EB;
  background:#fff;
  border-radius:var(--r-lg);
  border:1px solid #E3E7ED;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.compare-item{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.55fr) 32px;
  align-items:center;
  gap:clamp(16px,2.4vw,32px);
  padding:20px clamp(18px,2.4vw,28px);
  border-bottom:1px solid #ECEFF3;
  transition:background-color .18s var(--ease),box-shadow .18s var(--ease);
}
.compare-item:last-child{border-bottom:none;}
.compare-item:hover{background:rgba(22,199,154,.055);}
.compare-item:hover .compare-arrow{transform:translateX(4px);color:var(--primary-600);}
.compare-left{min-width:0;}
.compare-left h3{
  font-size:17px;font-weight:600;line-height:1.45;
  color:var(--on-paper);
  margin:8px 0 4px;
}
.compare-time{
  font-size:12.5px;color:#8A93A3;
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.compare-desc{
  font-size:14px;line-height:1.7;color:var(--on-paper-2);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.compare-arrow{
  justify-self:end;
  font-size:18px;color:#B4BCC9;
  transition:transform .18s var(--ease),color .18s var(--ease);
}

/* ---------- 变更范围速览 ---------- */
.scope-head{max-width:52em;}
.scope-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.scope-card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:clamp(20px,2.4vw,28px);
  box-shadow:var(--sh-dark);
}
.scope-card h3{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:600;margin-bottom:16px;
}
.scope-card h3 .dot{
  width:8px;height:8px;border-radius:2px;display:block;flex-shrink:0;
}
.scope-card.is-change h3 .dot{background:var(--secondary);}
.scope-card.is-stay h3 .dot{background:var(--primary);}
.scope-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed rgba(38,45,60,.9);
  font-size:14.5px;
  line-height:1.7;
  color:var(--t2);
}
.scope-list li:last-child{border-bottom:none;padding-bottom:0;}
.scope-list li::before{
  content:"";
  width:5px;height:5px;border-radius:1px;
  background:var(--line);
  margin-top:10px;flex-shrink:0;
}
.scope-card.is-change .scope-list li::before{background:rgba(255,154,60,.75);}
.scope-card.is-stay .scope-list li::before{background:rgba(22,199,154,.75);}
.scope-card b{color:var(--t1);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,.72fr) minmax(0,1.6fr);
  gap:clamp(24px,4vw,56px);
  align-items:start;
}
.faq-intro h2{font-size:clamp(22px,3vw,32px);margin-bottom:12px;line-height:1.25;}
.faq-intro p{font-size:14.5px;color:var(--on-paper-2);max-width:22em;}
.faq-list{border-top:1px solid #E1E5EB;}
.faq-item{border-bottom:1px solid #E1E5EB;}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;
  background:transparent;border:none;cursor:pointer;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--on-paper);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.faq-q:hover{color:var(--primary-600);}
.faq-icon{
  position:relative;
  width:18px;height:18px;flex-shrink:0;
  transition:transform .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary-600);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-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-q[aria-expanded="true"]{background:var(--primary-08);color:var(--primary-600);padding-left:14px;padding-right:14px;border-radius:10px;}
.faq-a{padding:0 4px 18px;}
.faq-a p{font-size:15px;line-height:1.78;color:var(--on-paper-2);margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:
    linear-gradient(180deg,rgba(10,13,20,.94),rgba(10,13,20,.98)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-top:1px solid var(--line);
  padding:clamp(40px,5vw,64px) 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:8px;line-height:1.3;}
.cta-inner p{font-size:14.5px;color:var(--t2);margin:0;max-width:34em;}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-950);
  border-top:1px solid var(--line);
  padding:clamp(40px,6vw,64px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,1fr)) minmax(0,1.2fr);
  gap:clamp(24px,3vw,40px);
  padding-bottom:36px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:var(--t2);max-width:26em;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.footer-tags span{
  padding:4px 10px;border-radius:8px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:12px;font-weight:600;color:var(--t2);
}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--t1);}
.footer-col ul li{margin-bottom:6px;}
.footer-col ul a{
  display:inline-block;
  font-size:14px;line-height:1.9;color:var(--t2);
  transition:color .18s var(--ease);
}
.footer-col ul a:hover{color:var(--primary);}
.footer-col.contact p{font-size:13.5px;color:var(--t2);line-height:1.9;margin:0 0 8px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 24px;
  border-top:1px solid var(--line);
  font-size:12px;color:#6B7689;
  font-variant-numeric:tabular-nums;
}
.footer-bottom .sep{
  display:inline-block;width:1px;height:11px;background:var(--line);
  margin:0 10px;vertical-align:-1px;
}

/* ---------- 主题微调（覆盖 Bootstrap 默认味道） ---------- */
a{text-decoration:none;}
.btn:focus-visible,.pill:focus-visible,.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
.container{max-width:var(--container);}

/* ---------- 响应式 ---------- */
@media (max-width:1240px){
  :root{--gutter:22px;}
}
@media (max-width:991px){
  .topbar-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;}
  .hero-side{flex-direction:row;align-items:center;gap:18px;}
  .hero-figure{flex:1 1 auto;max-width:420px;}
  .hero-count{margin:0;}
  .faq-wrap{grid-template-columns:1fr;gap:20px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare-item{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr) 24px;}
}
@media (max-width:767px){
  :root{--gutter:16px;}
  .topbar-actions .btn{display:none;}
  .logo-text strong{font-size:14px;}
  .logo-text em{font-size:10.5px;}
  .channel-wrap::after{width:32px;}
  .page-hero{padding-top:28px;}
  .hero-side{flex-direction:column;align-items:stretch;}
  .hero-figure{max-width:none;}
  .compare-list{border-radius:var(--r-md);}
  .compare-item{
    grid-template-columns:1fr;
    gap:10px;
    padding:18px 16px;
    position:relative;
  }
  .compare-arrow{
    position:absolute;right:14px;bottom:16px;font-size:16px;
  }
  .compare-desc{-webkit-line-clamp:3;padding-right:24px;}
  .scope-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .faq-q{font-size:15px;padding:18px 2px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:520px){
  .logo svg{width:34px;height:34px;}
  .logo-text em{display:none;}
  .hero-copy h1{font-size:clamp(26px,7.4vw,32px);}
  .filter-pills span{height:32px;padding:0 12px;font-size:12.5px;}
  .compare-left h3{font-size:16px;}
  .section-head h2{font-size:22px;}
  .btn{height:46px;padding:0 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .compare-item:hover .compare-arrow{transform:none;}
}

/* roulang page: category3 */
:root{
  --ink-950:#0A0D14; --ink-900:#10141D; --ink-800:#171C27;
  --line:#262D3C; --t1:#E9EDF4; --t2:#98A2B6;
  --paper:#F6F7F9; --paper-2:#ECEFF3;
  --on-paper:#151A23; --muted-paper:#5B6475;
  --primary:#16C79A; --primary-600:#0FA681; --primary-08:rgba(22,199,154,.08);
  --secondary:#FF9A3C; --accent:#8E7BFF; --accent-08:rgba(142,123,255,.12);
  --r-lg:20px; --r-md:16px; --r-sm:14px; --r-xs:12px;
  --sh-1:0 1px 2px rgba(6,10,18,.06),0 12px 28px -20px rgba(6,10,18,.35);
  --sh-dark:0 18px 44px -28px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.05);
  --ease:cubic-bezier(.2,.7,.3,1);
  --shell:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--ink-950); color:var(--t1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px; line-height:1.75; letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;background:rgba(10,13,20,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(140%)}
.brand-row{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo svg{width:34px;height:34px;flex-shrink:0}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:15px;font-weight:600;color:var(--t1);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11px;color:var(--t2);margin-top:3px;letter-spacing:.04em}
.search-box{flex:1;max-width:390px;margin-left:12px;position:relative}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--t2);fill:none}
.search-box input{
  width:100%;height:44px;border-radius:var(--r-xs);background:var(--ink-800);
  border:1px solid var(--line);color:var(--t1);font-size:14px;padding:0 16px 0 40px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box input::placeholder{color:#6C7688}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(22,199,154,.14)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;white-space:nowrap;transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-primary{background:var(--primary);color:#07120E;box-shadow:0 10px 24px -16px rgba(22,199,154,.9)}
.btn-primary:hover{background:#1ED8A9;color:#07120E;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(22,199,154,.75)}
.btn-ghost{border:1px solid var(--line);color:var(--t1);background:transparent}
.btn-ghost:hover{border-color:rgba(22,199,154,.45);background:var(--primary-08);color:var(--t1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.burger{display:none;width:44px;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:var(--t1);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1)}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.channel-tabs{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);}
.channel-tabs::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;font-size:14px;color:var(--t2);border:1px solid transparent;transition:all .18s var(--ease)}
.pill:hover{color:var(--t1);border-color:var(--line);background:rgba(255,255,255,.03)}
.pill.active{background:var(--primary);color:#07120E;font-weight:600;border-color:transparent}
.pill.active:hover{color:#07120E;background:var(--primary)}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:200;background:var(--ink-950);display:none;flex-direction:column;padding:20px 20px 32px;overflow-y:auto}
.drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--t1)}
.drawer .search-box{max-width:none;margin:0 0 22px}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.drawer-nav a{padding:13px 14px;border-radius:var(--r-xs);border:1px solid var(--line);font-size:15px;color:var(--t1)}
.drawer-nav a.active{background:var(--primary);color:#07120E;font-weight:600;border-color:transparent}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.42}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,20,.72) 0%,rgba(10,13,20,.9) 55%,var(--ink-950) 100%)}
.page-hero .shell{position:relative;z-index:2;padding-top:clamp(48px,7vw,86px);padding-bottom:clamp(44px,6vw,76px)}
.hero-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t2);margin-bottom:20px}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#3B4354}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:8px;background:var(--accent-08);color:#B6AAFF;font-size:12px;font-weight:600;margin-bottom:18px}
h1{font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;max-width:19em}
.hero-sub{margin-top:18px;font-size:clamp(15px,1.5vw,17px);color:var(--t2);line-height:1.8;max-width:34em}
.hero-side{text-align:right;display:flex;flex-direction:column;gap:14px;align-items:flex-end}
.count-chip{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(23,28,39,.7);font-size:13px;color:var(--t2)}
.count-chip b{color:var(--primary);font-size:15px}
.hero-meta{font-size:12px;color:#6C7688;letter-spacing:.04em}

/* 频道筛选条 */
.filter-bar{border-bottom:1px solid var(--line);background:var(--ink-900)}
.filter-inner{display:flex;align-items:center;gap:10px;height:60px;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.filter-chip{flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;font-size:13.5px;color:var(--t2);border:1px solid var(--line);transition:all .18s var(--ease)}
.filter-chip:hover{color:var(--t1);border-color:rgba(22,199,154,.45)}
.filter-chip.on{background:var(--primary-08);border-color:rgba(22,199,154,.55);color:var(--primary);font-weight:600}
.filter-note{margin-left:auto;font-size:12.5px;color:#6C7688;white-space:nowrap;flex:0 0 auto}

/* ---------- 浅色区 ---------- */
.section{padding:clamp(56px,8vw,96px) 0}
.section-paper{background:var(--paper);color:var(--on-paper)}
.section-paper h2,.section-paper h3{color:var(--on-paper)}
.section-paper p{color:var(--muted-paper)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,3vw,32px)}
.section-head .sub{margin-top:10px;font-size:14.5px;color:var(--muted-paper)}
.textlink{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-900);white-space:nowrap}
.textlink .arw{transition:transform .18s var(--ease)}
.textlink:hover{color:var(--primary-600)}
.textlink:hover .arw{transform:translateX(4px)}
.section-paper .textlink{color:var(--on-paper)}
.section-paper .textlink:hover{color:var(--primary-600)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:14px;bottom:22px;width:2px;background:linear-gradient(180deg,rgba(22,199,154,.85),rgba(22,199,154,.18))}
.tl-item{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 92px;gap:24px;padding:26px 0;border-bottom:1px solid #E1E5EC;align-items:start}
.tl-item:first-child{padding-top:6px}
.tl-item:last-child{border-bottom:0;padding-bottom:6px}
.tl-dot{position:absolute;left:-34px;top:34px;width:20px;height:20px;border-radius:50%;background:var(--paper);border:2px solid var(--primary);display:flex;align-items:center;justify-content:center}
.tl-dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);transition:transform .2s var(--ease)}
.tl-item:first-child .tl-dot{top:16px}
.tl-item:hover .tl-dot::after{transform:scale(1.35)}
.tl-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.tl-step{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;background:var(--primary-08);color:var(--primary-600);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.tl-time{font-size:12.5px;color:#7A8394;letter-spacing:.03em;font-variant-numeric:tabular-nums}
.tl-item h3{font-size:17.5px;font-weight:600;margin-bottom:8px}
.tl-item p{font-size:14.5px;line-height:1.8;color:var(--muted-paper);max-width:36em}
.tl-thumb{width:92px;height:92px;border-radius:var(--r-xs);overflow:hidden;border:1px solid #DCE1E8;background:var(--paper-2);flex-shrink:0}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.tl-item:hover .tl-thumb img{transform:scale(1.06)}

/* ---------- 登录前核对 ---------- */
.check-block{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(28px,4vw,56px);align-items:center}
.check-figure{border-radius:var(--r-md);overflow:hidden;border:1px solid #DCE1E8;background:var(--paper-2);box-shadow:var(--sh-1);aspect-ratio:16/10}
.check-figure img{width:100%;height:100%;object-fit:cover}
.check-list{margin-top:8px}
.check-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid #E1E5EC}
.check-item:last-child{border-bottom:0;padding-bottom:0}
.check-no{font-size:15px;font-weight:800;color:var(--primary-600);font-variant-numeric:tabular-nums;line-height:1.6;min-width:26px}
.check-item h4{font-size:16px;margin-bottom:6px}
.check-item p{font-size:14px;line-height:1.75;color:var(--muted-paper)}

/* ---------- 暗色提示条 ---------- */
.notice-strip{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.notice-inner{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;padding:clamp(34px,5vw,52px) 0}
.notice-cell{padding:0 clamp(18px,2.5vw,34px);border-right:1px solid var(--line)}
.notice-cell:first-child{padding-left:0}
.notice-cell:last-child{border-right:0;padding-right:0}
.notice-cell h4{font-size:15.5px;color:var(--t1);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.notice-cell h4 i{width:6px;height:6px;border-radius:2px;background:var(--secondary);display:inline-block;flex-shrink:0}
.notice-cell p{font-size:13.5px;line-height:1.8;color:var(--t2)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(28px,4vw,60px);align-items:start}
.faq-intro h2{font-size:clamp(22px,3vw,30px)}
.faq-intro p{margin-top:14px;font-size:14.5px;line-height:1.85;color:var(--muted-paper);max-width:22em}
.faq-list{border-top:1px solid #E1E5EC}
.faq-item{border-bottom:1px solid #E1E5EC}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 4px;font-size:16px;font-weight:600;color:var(--on-paper);transition:background .18s var(--ease),color .18s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary-600)}
.fq-plus{position:relative;width:20px;height:20px;flex-shrink:0;transition:transform .2s var(--ease)}
.fq-plus::before,.fq-plus::after{content:"";position:absolute;background:#5B6475;border-radius:2px;transition:background .2s var(--ease)}
.fq-plus::before{left:0;top:9px;width:20px;height:2px}
.fq-plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .fq-plus{transform:rotate(45deg)}
.faq-item[open] .fq-plus::before,.faq-item[open] .fq-plus::after{background:var(--primary-600)}
.faq-item[open] summary{padding-left:16px;padding-right:16px;background:var(--primary-08);border-radius:var(--r-xs)}
.faq-answer{padding:2px 4px 22px}
.faq-answer p{font-size:14.5px;line-height:1.85;color:var(--muted-paper);max-width:42em}

/* ---------- 底部转化条 ---------- */
.cta-bar{background:var(--ink-950);position:relative;overflow:hidden;border-top:1px solid var(--line)}
.cta-bar::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.22}
.cta-bar::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,13,20,.95),rgba(10,13,20,.7))}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:clamp(36px,5vw,56px) 0}
.cta-inner h3{font-size:clamp(19px,2.4vw,24px);color:var(--t1)}
.cta-inner p{margin-top:10px;font-size:14.5px;color:var(--t2);max-width:34em}
.cta-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.cta-actions .textlink{color:var(--t1)}
.cta-actions .textlink:hover{color:var(--primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);border-top:1px solid var(--line);padding:clamp(44px,6vw,72px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(24px,3vw,48px);padding-bottom:48px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--t2);max-width:24em}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{font-size:12px;color:var(--t2);padding:4px 10px;border-radius:8px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.footer-col h4{font-size:14px;color:var(--t1);font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col li a{display:inline-block;font-size:14px;line-height:1.9;color:var(--t2)}
.footer-col li a:hover{color:var(--primary)}
.footer-col.contact p{font-size:13.5px;line-height:1.85;color:var(--t2);margin-bottom:10px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 26px;border-top:1px solid var(--line);font-size:12px;color:#6C7688}
.footer-bottom .sep{display:inline-block;width:1px;height:11px;background:#333B4C;margin:0 10px;vertical-align:middle}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .search-box{max-width:300px}
}
@media (max-width:991.98px){
  .search-box,.header-actions .btn{display:none}
  .burger{display:flex}
  .hero-inner{grid-template-columns:1fr}
  .hero-side{text-align:left;align-items:flex-start;margin-top:6px}
  .check-block{grid-template-columns:1fr}
  .check-figure{order:-1}
  .faq-wrap{grid-template-columns:1fr}
  .faq-intro p{max-width:34em}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
}
@media (max-width:767.98px){
  .shell{padding:0 16px}
  .notice-inner{grid-template-columns:1fr;gap:0}
  .notice-cell{padding:18px 0;border-right:0;border-bottom:1px solid var(--line)}
  .notice-cell:first-child{padding-top:0}
  .notice-cell:last-child{border-bottom:0;padding-bottom:0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .timeline{padding-left:26px}
  .timeline::before{left:7px}
  .tl-dot{left:-26px;width:16px;height:16px;top:32px}
  .tl-dot::after{width:6px;height:6px}
  .tl-item{grid-template-columns:minmax(0,1fr) 72px;gap:16px}
  .tl-thumb{width:72px;height:72px}
  .cta-actions{flex-direction:column;align-items:stretch;gap:12px}
  .cta-actions .btn{width:100%}
  .cta-actions .textlink{justify-content:center}
}
@media (max-width:575.98px){
  .brand-row{height:62px}
  .logo-text strong{font-size:13.5px}
  .logo-text em{font-size:10px}
  .tl-item{grid-template-columns:minmax(0,1fr);}
  .tl-thumb{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .tl-item:hover .tl-thumb img{transform:none}
}

/* roulang page: category4 */
:root{
  --ink-950:#0A0D14;
  --ink-900:#10141D;
  --ink-800:#171C27;
  --line:#262D3C;
  --t1:#E9EDF4;
  --t2:#98A2B6;
  --paper:#F6F7F9;
  --paper-2:#ECEFF3;
  --text:#151A23;
  --text-2:#5B6475;
  --primary:#16C79A;
  --primary-600:#0FA681;
  --primary-08:rgba(22,199,154,.08);
  --primary-30:rgba(22,199,154,.30);
  --secondary:#FF9A3C;
  --accent:#8E7BFF;
  --accent-08:rgba(142,123,255,.10);
  --hair:#E3E7ED;
  --r-lg:20px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 1px 2px rgba(6,10,18,.06),0 12px 28px -20px rgba(6,10,18,.35);
  --sh-2:0 2px 4px rgba(6,10,18,.08),0 22px 44px -28px rgba(6,10,18,.45);
  --sh-dark:0 18px 44px -28px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.05);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
  --gap:20px;
  --sec:clamp(56px,8vw,104px);
}

*{box-sizing:border-box}
*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.shell{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media (min-width:1400px){.shell{max-width:1320px}}
@media (max-width:767px){.shell{padding:0 16px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:var(--ink-950);
  border-bottom:1px solid var(--line);
}
.brand-row{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo svg{width:34px;height:34px;flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:15px;font-weight:600;color:var(--t1);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11px;color:var(--t2);letter-spacing:.04em}

.search{
  position:relative;flex:1 1 auto;max-width:400px;margin-left:8px;
}
.search .bi{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  font-size:15px;color:var(--t2);pointer-events:none;
}
.search input{
  width:100%;height:44px;
  padding:0 14px 0 40px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  color:var(--t1);font-size:14px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search input::placeholder{color:#6B7688}
.search input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px var(--primary-08);
}

.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  background:var(--primary);color:#07120E;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--dur) var(--ease),filter var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-main:hover{filter:brightness(1.08);color:#07120E;box-shadow:0 10px 22px -14px rgba(22,199,154,.9)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  background:transparent;color:var(--t1);
  border:1px solid var(--line);font-size:15px;font-weight:600;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{background:var(--primary-08);border-color:var(--primary-30);color:var(--t1)}
.btn-ghost.on-paper{border-color:#D5DAE2;color:var(--text)}
.btn-ghost.on-paper:hover{background:var(--primary-08);border-color:var(--primary-30);color:var(--text)}

.hamburger{
  display:none;
  width:46px;height:46px;border-radius:12px;
  background:var(--ink-800);border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.channel-row{border-top:1px solid var(--line);background:var(--ink-950)}
.channel-wrap{position:relative}
.channel-wrap::before,.channel-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:28px;pointer-events:none;z-index:2;
}
.channel-wrap::before{left:0;background:linear-gradient(90deg,var(--ink-950),rgba(10,13,20,0))}
.channel-wrap::after{right:0;background:linear-gradient(270deg,var(--ink-950),rgba(10,13,20,0))}
.channel-tabs{
  display:flex;align-items:center;gap:8px;
  height:48px;overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channel-tabs::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;border:1px solid transparent;
  font-size:13.5px;font-weight:600;color:var(--t2);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.pill:hover{color:var(--t1);border-color:var(--line);background:rgba(255,255,255,.03)}
.pill.active{background:var(--primary);color:#07120E;border-color:var(--primary)}
.pill.active:hover{color:#07120E;background:var(--primary)}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:1035;
  background:var(--ink-950);
  padding:24px;
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:none}
.mobile-drawer .search{max-width:none;margin:0 0 20px}
.drawer-title{font-size:12px;letter-spacing:.12em;color:var(--t2);margin-bottom:12px}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--line);
  color:var(--t1);font-size:15px;font-weight:600;
}
.drawer-links a .bi{color:var(--t2);font-size:14px}
.drawer-links a.active{color:var(--primary)}
.mobile-drawer .btn-main{width:100%}
body.drawer-open{overflow:hidden}

@media (max-width:991px){
  .search{display:none}
  .brand-actions .btn-main{display:none}
  .hamburger{display:flex}
}
@media (max-width:575px){
  .brand-row{min-height:64px;gap:12px}
  .logo-text strong{font-size:13.5px}
  .logo-text em{display:none}
  .mobile-drawer{top:64px}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-color:var(--ink-950);
  background-image:linear-gradient(180deg,rgba(10,13,20,.86) 0%,rgba(10,13,20,.94) 62%,rgba(10,13,20,.99) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:var(--t1);
  padding:clamp(48px,7vw,84px) 0 clamp(40px,5vw,64px);
  border-bottom:1px solid var(--line);
}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:48px;align-items:end;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--primary);margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:var(--t1);
  max-width:19em;
}
.hero-sub{
  margin-top:20px;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;color:var(--t2);
  max-width:34em;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 12px;border-radius:8px;
  font-size:12px;font-weight:600;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);color:var(--t2);
}
.chip.dot::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--secondary)}

.hero-note{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--sh-dark);
}
.hero-note .note-top{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--t2);letter-spacing:.08em;margin-bottom:14px;
}
.hero-note .note-top i{color:var(--primary)}
.hero-note ul{display:flex;flex-direction:column;gap:10px}
.hero-note li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--t1);line-height:1.6;
}
.hero-note li span.i{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;
  background:var(--primary-08);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;margin-top:2px;
}
.hero-note .note-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t2);
}
@media (max-width:991px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero h1{max-width:none}
}

/* ============ 筛选行 ============ */
.filter-row{
  border-bottom:1px solid var(--hair);
  background:var(--paper);
}
.filter-inner{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:18px 0;
}
.filter-label{font-size:12.5px;color:var(--text-2);font-weight:600;letter-spacing:.06em;margin-right:4px}
.f-chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;border:1px solid var(--hair);
  background:#fff;color:var(--text-2);
  font-size:13px;font-weight:600;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.f-chip:hover{border-color:var(--primary-30);color:var(--text)}
.f-chip.on{background:var(--ink-950);border-color:var(--ink-950);color:var(--t1)}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section.on-paper{background:var(--paper)}
.section.on-dark{background:var(--ink-950);color:var(--t1)}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:clamp(24px,3vw,36px);
}
.sec-head h2{
  font-size:clamp(22px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
  color:var(--text);
}
.on-dark .sec-head h2{color:var(--t1)}
.sec-sub{margin-top:10px;font-size:14px;color:var(--text-2);max-width:36em}
.on-dark .sec-sub{color:var(--t2)}
.sec-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary-600);white-space:nowrap;
  position:relative;
}
.sec-link .bi{font-size:13px;transition:transform var(--dur) var(--ease)}
.sec-link:hover .bi{transform:translateX(4px)}
.sec-link::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;
  background:var(--primary);transition:width 180ms var(--ease);
}
.sec-link:hover::after{width:100%}

/* ============ Bento 混排 ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  grid-auto-rows:180px;
  gap:16px;
}
.bento-item{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--r-md);
  border:1px solid var(--hair);
  background:#fff;
  box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.bento-item:hover{transform:translateY(-3px);border-color:var(--primary-30);box-shadow:var(--sh-2)}
.bento-item img{width:100%;height:100%;object-fit:cover}
.bento-lead{grid-column:span 2;grid-row:span 2;background:var(--ink-900);border-color:var(--line)}
.bento-mask{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,13,20,.90) 6%,rgba(10,13,20,.35) 52%,rgba(10,13,20,.06) 100%);
}
.bento-txt{
  position:absolute;left:18px;right:18px;bottom:16px;color:#fff;
}
.bento-txt .tagline{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;
  border-radius:6px;background:var(--accent-08);
  border:1px solid rgba(142,123,255,.35);
  color:#C9BEFF;font-size:11px;font-weight:600;letter-spacing:.04em;
  margin-bottom:8px;
}
.bento-txt h3{
  font-size:16px;font-weight:600;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bento-lead .bento-txt h3{font-size:clamp(19px,2.2vw,24px);font-weight:700;line-height:1.3}
.bento-txt p{
  margin-top:6px;font-size:13px;color:rgba(233,237,244,.72);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bento-lead .bento-txt p{color:rgba(233,237,244,.82);font-size:14px}
.bento-txt .go{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;font-size:13px;font-weight:600;color:var(--primary);
}
.bento-txt .go .bi{font-size:12px;transition:transform var(--dur) var(--ease)}
.bento-item:hover .go .bi{transform:translateX(4px)}

.bento-item.solid{
  background:var(--ink-900);border-color:var(--line);
  padding:18px;display:flex;flex-direction:column;justify-content:space-between;
  color:var(--t1);
}
.bento-item.solid .solid-no{
  font-size:22px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.bento-item.solid h3{font-size:15.5px;font-weight:600;line-height:1.45;margin-top:8px;color:var(--t1)}
.bento-item.solid p{font-size:12.5px;color:var(--t2);line-height:1.65;margin-top:6px}
.bento-item.solid .solid-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:12px;font-size:12px;color:var(--t2);
}
.bento-item.solid .solid-foot .bi{color:var(--primary);font-size:13px}

.bento-item.light{
  background:var(--paper-2);border-color:#DDE2EA;
  padding:18px;display:flex;flex-direction:column;justify-content:space-between;
}
.bento-item.light h3{font-size:15.5px;font-weight:600;color:var(--text);line-height:1.45}
.bento-item.light p{font-size:12.5px;color:var(--text-2);line-height:1.65;margin-top:6px}
.bento-item.light .light-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:600;color:var(--primary-600);
}
.bento-item.light .light-badge::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);
}

@media (max-width:991px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:170px;gap:14px}
  .bento-lead{grid-column:span 2;grid-row:span 2}
}
@media (max-width:575px){
  .bento{grid-template-columns:1fr;grid-auto-rows:auto;gap:12px}
  .bento-lead{grid-column:span 1;grid-row:span 1;min-height:280px}
  .bento-item{min-height:168px}
  .bento-item.solid,.bento-item.light{min-height:0;padding:18px}
  .bento-item:not(.bento-lead):not(.solid):not(.light){min-height:200px}
}

/* ============ 处理顺序条 ============ */
.steps{display:flex;flex-direction:column;gap:12px}
.step-bar{
  display:grid;grid-template-columns:56px minmax(0,1fr) minmax(0,1.1fr);
  align-items:center;gap:20px;
  padding:20px 22px;
  background:#fff;border:1px solid var(--hair);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.step-bar:hover{border-color:var(--primary-30);transform:translateY(-2px)}
.step-bar .n{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--primary-08);color:var(--primary-600);
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step-bar h3{font-size:16px;font-weight:600;color:var(--text);line-height:1.5}
.step-bar p{font-size:13.5px;color:var(--text-2);line-height:1.7}
@media (max-width:767px){
  .step-bar{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px}
  .step-bar .n{width:38px;height:38px;font-size:15px}
  .step-bar p{grid-column:2;font-size:13px}
}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.6fr);gap:clamp(24px,4vw,56px);align-items:start}
.faq-intro h2{font-size:clamp(22px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.faq-intro p{margin-top:14px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:22em}
.faq-intro .faq-hint{
  margin-top:22px;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary-600);
}
.faq-list{border-top:1px solid var(--hair)}
.faq-item{border-bottom:1px solid var(--hair)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;background:transparent;border:0;
  text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-q:hover{color:var(--primary-600)}
.faq-q .plus{
  position:relative;flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  border:1px solid var(--hair);background:#fff;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);
  transform:translate(-50%,-50%);border-radius:2px;
  transition:background var(--dur) var(--ease);
}
.faq-q .plus::before{width:11px;height:1.6px}
.faq-q .plus::after{width:1.6px;height:11px}
.faq-q[aria-expanded="true"]{color:var(--primary-600)}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg);border-color:var(--primary-30);background:var(--primary-08)}
.faq-q[aria-expanded="true"] .plus::before,
.faq-q[aria-expanded="true"] .plus::after{background:var(--primary-600)}
.faq-a{
  padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2);
  max-width:42em;
}
.faq-item:has(.faq-q[aria-expanded="true"]){background:var(--primary-08);border-radius:0 0 12px 12px}
.faq-item:has(.faq-q[aria-expanded="true"]) .faq-q{padding-left:14px;padding-right:14px}
.faq-item:has(.faq-q[aria-expanded="true"]) .faq-a{padding-left:14px;padding-right:14px}
@media (max-width:991px){
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-intro p{max-width:none}
}

/* ============ 底部转化条 ============ */
.cta-band{
  background:var(--ink-950);
  border-top:1px solid var(--line);
  color:var(--t1);
  padding:clamp(44px,6vw,72px) 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
.cta-inner p{margin-top:10px;font-size:14.5px;color:var(--t2);max-width:36em}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-actions .lnk{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--t1);
}
.cta-actions .lnk .bi{font-size:13px;color:var(--primary);transition:transform var(--dur) var(--ease)}
.cta-actions .lnk:hover .bi{transform:translateX(4px)}
@media (max-width:767px){
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-main{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-950);
  border-top:1px solid var(--line);
  padding:clamp(44px,6vw,64px) 0 24px;
  color:var(--t2);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.15fr;
  gap:clamp(24px,3vw,44px);
}
.footer-brand .logo{margin-bottom:0}
.footer-brand p{font-size:14px;line-height:1.8;margin:16px 0 0;max-width:30em}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:8px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:11.5px;font-weight:600;color:var(--t2);
}
.footer-col h4{
  font-size:13px;font-weight:600;color:var(--t1);
  letter-spacing:.06em;margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col ul li a{
  display:inline-block;font-size:14px;line-height:1.95;color:var(--t2);
  transition:color var(--dur) var(--ease);
}
.footer-col ul li a:hover{color:var(--primary)}
.footer-col.contact p{font-size:13.5px;line-height:1.8;margin-bottom:10px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:clamp(32px,4vw,44px);padding-top:20px;
  border-top:1px solid var(--line);
  font-size:12px;color:var(--t2);
}
.sep{display:inline-block;width:1px;height:10px;background:var(--line);margin:0 10px;vertical-align:middle}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .bento-item:hover,.step-bar:hover{transform:none}
}