/* roulang page: index */
:root{
  --bg:#0A1622;
  --bg-deep:#070F18;
  --bg-card:#0E1A27;
  --bg-float:#132331;
  --cyan:#2ED9C3;
  --blue:#4C8DFF;
  --amber:#FFB33C;
  --text:#F2F7FB;
  --body:#B9C7D6;
  --muted:#7D8FA3;
  --link:#5FE3D0;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.04);
  --r-card:16px;
  --r-btn:10px;
  --r-input:8px;
  --shadow:0 24px 60px -30px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(46,217,195,.35),0 8px 30px -8px rgba(46,217,195,.45);
  --grad-cta:linear-gradient(135deg,#2ED9C3 0%,#4C8DFF 100%);
  --sec:96px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:'PingFang SC','HarmonyOS Sans','Noto Sans SC','Source Han Sans SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:var(--link);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--cyan);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;line-height:1.35;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;scroll-margin-top:140px;}
.section-alt{
  background:
    radial-gradient(900px 420px at 82% 0%, rgba(46,217,195,.06), transparent 62%),
    #08121C;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;}
.section-head.center{flex-direction:column;align-items:center;text-align:center;}
.section-head h2{font-size:32px;letter-spacing:.2px;}
.section-sub{margin-top:12px;font-size:16px;color:var(--muted);max-width:640px;line-height:1.8;}

/* ---------- 按钮 ---------- */
.btn-primary,.btn-ghost,.btn-text{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;text-align:center;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;}
.btn-primary{background:var(--grad-cta);color:#04121B;border-radius:var(--r-btn);box-shadow:var(--glow);border:1px solid transparent;}
.btn-primary:hover{color:#04121B;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,217,195,.5),0 14px 38px -10px rgba(46,217,195,.55);}
.btn-primary:active{transform:translateY(0);}
.btn-primary[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-ghost{background:var(--glass);border:1px solid var(--line);color:var(--text);border-radius:var(--r-btn);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.btn-ghost:hover{color:var(--text);border-color:rgba(46,217,195,.45);background:rgba(46,217,195,.08);transform:translateY(-2px);}
.btn-text{color:var(--link);font-weight:600;gap:6px;}
.btn-text span{display:inline-block;transition:transform .2s ease-out;}
.btn-text:hover span{transform:translateX(4px);}
.btn-lg{height:48px;padding:0 28px;font-size:16px;}
.btn-md{height:40px;padding:0 20px;font-size:15px;}
.btn-sm{height:32px;padding:0 16px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px;}
.badge-cyan{background:rgba(46,217,195,.12);color:var(--cyan);}
.badge-amber{background:rgba(255,179,60,.14);color:var(--amber);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{transform:translateY(-2px);border-color:rgba(46,217,195,.35);box-shadow:0 0 0 1px rgba(46,217,195,.2),0 28px 62px -32px rgba(0,0,0,.85);}

/* ---------- 顶部品牌行 ---------- */
.site-header{position:relative;z-index:80;}
.brandbar{background:var(--bg-deep);border-bottom:1px solid var(--line-soft);}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.logo{display:flex;flex-direction:column;justify-content:center;color:var(--text);line-height:1.2;}
.logo:hover{color:var(--text);}
.logo-mark{font-size:20px;font-weight:800;letter-spacing:.4px;}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.6px;margin-top:2px;}
.brandbar-right{display:flex;align-items:center;gap:16px;}
.service-hours{font-size:13px;color:var(--muted);}
.lang-switch{height:32px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--body);font-size:13px;transition:border-color .18s,color .18s,background .18s;}
.lang-switch:hover{border-color:rgba(46,217,195,.45);color:var(--text);background:var(--glass);}

/* ---------- 频道行 ---------- */
.channelbar{
  position:sticky;top:0;z-index:70;
  background:rgba(7,15,24,.72);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:background .2s ease,border-color .2s ease;
}
.channelbar.is-stuck{background:rgba(7,15,24,.9);border-bottom-color:var(--line-soft);}
.channelbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;}
.channel-list{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--body);white-space:nowrap;
  background:transparent;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.channel:hover{background:var(--glass);border-color:var(--line);color:var(--text);}
.channel.is-active{background:var(--grad-cta);color:#04121B;font-weight:700;}
.channel.is-active:hover{color:#04121B;}
.channel.is-active::after{content:'';position:absolute;left:50%;transform:translateX(-50%);bottom:-11px;width:30px;height:2px;border-radius:2px;background:var(--cyan);box-shadow:0 0 12px rgba(46,217,195,.85);}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;background:var(--glass);}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:200;visibility:hidden;opacity:0;transition:opacity .2s ease,visibility .2s ease;}
.drawer.is-open{visibility:visible;opacity:1;}
.drawer-panel{
  position:absolute;inset:0;background:var(--bg-deep);
  display:flex;flex-direction:column;padding:0 0 32px;
  transform:translateY(-12px);transition:transform .22s ease-out;
}
.drawer.is-open .drawer-panel{transform:translateY(0);}
.drawer-brand{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 24px;border-bottom:1px solid var(--line-soft);}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);color:var(--text);font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center;}
.drawer-nav{display:flex;flex-direction:column;padding:16px 24px;gap:4px;}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:12px;font-size:17px;font-weight:600;color:var(--body);border:1px solid transparent;}
.drawer-link.is-active{background:var(--grad-cta);color:#04121B;}
.drawer-link:hover{background:var(--glass);border-color:var(--line);color:var(--text);}
.drawer-foot{margin-top:auto;padding:24px;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:16px;}
.drawer-foot p{font-size:14px;color:var(--muted);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate;}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(90deg,#070F18 0%,rgba(7,15,24,.88) 42%,rgba(7,15,24,.25) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;opacity:.9;
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:min(88vh,760px);padding-top:72px;padding-bottom:72px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(46,217,195,.1);border:1px solid rgba(46,217,195,.28);color:var(--cyan);font-size:13px;font-weight:600;}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(46,217,195,.9);animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}
.hero h1{margin-top:20px;font-size:44px;line-height:1.28;letter-spacing:.4px;}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--body);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line-soft);}
.hero-metrics li{display:flex;flex-direction:column;gap:2px;}
.hero-metrics strong{font-size:26px;font-weight:800;color:var(--cyan);letter-spacing:.5px;}
.hero-metrics span{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-shot{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/11;}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;border-radius:14px;padding:14px 16px;min-width:170px;
  background:rgba(19,35,49,.66);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
}
.float-card-a{top:-22px;left:-24px;}
.float-card-b{bottom:-26px;right:-18px;}
.fc-label{display:block;font-size:12px;color:var(--muted);letter-spacing:.4px;}
.fc-value{display:block;margin-top:4px;font-size:17px;font-weight:700;color:var(--text);}
.fc-note{display:block;margin-top:4px;font-size:12px;color:var(--muted);}
.fc-bar{margin-top:10px;height:4px;border-radius:999px;background:rgba(255,255,255,.09);overflow:hidden;}
.fc-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--blue));}

/* ---------- 能力网格 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cap-card{padding:28px 26px;}
.cap-icon{
  display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  background:rgba(46,217,195,.1);border:1px solid rgba(46,217,195,.24);color:var(--cyan);margin-bottom:20px;
}
.cap-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.cap-card h3{font-size:18px;font-weight:700;}
.cap-card p{margin-top:12px;font-size:15px;line-height:1.7;color:var(--body);}

/* ---------- 三步上手 ---------- */
.step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
.step-card{position:relative;padding:32px 26px;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.step-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--cyan),rgba(46,217,195,0));}
.step-num{display:block;font-family:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;font-size:30px;font-weight:700;color:rgba(46,217,195,.55);letter-spacing:1px;}
.step-card h3{margin-top:16px;font-size:18px;}
.step-card p{margin-top:12px;font-size:15px;line-height:1.7;color:var(--body);}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{overflow:hidden;display:flex;flex-direction:column;}
.case-card-lg{grid-column:span 2;}
.case-media{overflow:hidden;aspect-ratio:16/9;border-bottom:1px solid var(--line-soft);}
.case-card-lg .case-media{aspect-ratio:21/9;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;}
.case-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.case-client{font-size:13px;color:var(--muted);}
.case-body h3{font-size:18px;line-height:1.5;}
.case-body p{font-size:15px;line-height:1.7;color:var(--body);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{overflow:hidden;display:flex;flex-direction:column;}
.news-media{display:block;overflow:hidden;aspect-ratio:16/9;border-bottom:1px solid var(--line-soft);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--text);}
.news-title a:hover{color:var(--cyan);}
.news-sum{font-size:15px;line-height:1.7;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;}
.news-foot time{font-size:13px;color:var(--muted);letter-spacing:.3px;}
.news-arrow{color:var(--cyan);font-size:16px;transition:transform .2s ease-out;}
.news-card:hover .news-arrow{transform:translateX(4px);}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;padding:64px 24px;text-align:center;
  background:var(--glass);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{width:40px;height:40px;stroke:var(--muted);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.empty-state p{font-size:15px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease;}
.faq-item.is-open{border-color:rgba(46,217,195,.32);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);min-height:44px;
}
.faq-q:hover{color:var(--cyan);}
.faq-icon{flex:none;width:20px;height:20px;color:var(--cyan);transition:transform .22s ease-out;}
.faq-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--body);}

/* ---------- CTA ---------- */
.cta-wrap{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(19,35,49,.92),rgba(10,22,34,.92));
  box-shadow:var(--shadow);
}
.cta-wrap::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:56px;align-items:center;}
.cta-copy h2{font-size:32px;}
.cta-copy p{margin-top:16px;font-size:16px;line-height:1.8;color:var(--body);max-width:440px;}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{position:relative;padding-left:22px;font-size:15px;color:var(--body);}
.cta-points li::before{content:'';position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:rgba(46,217,195,.9);box-shadow:0 0 10px rgba(46,217,195,.6);}
.cta-form{display:flex;flex-direction:column;gap:16px;background:rgba(14,26,39,.7);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;color:var(--body);font-weight:600;}
.field input,.field select{
  height:46px;padding:0 14px;border-radius:var(--r-input);
  background:var(--bg-card);border:1px solid rgba(255,255,255,.12);
  color:var(--text);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--muted);}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,217,195,.12);}
.field.has-error input,.field.has-error select{border-color:var(--amber);}
.field-msg{font-size:13px;color:var(--amber);min-height:0;display:none;}
.field.has-error .field-msg{display:block;}
.form-submit{margin-top:4px;}
.form-note{font-size:14px;color:var(--cyan);display:none;align-items:center;gap:8px;}
.form-note.is-visible{display:flex;}
.form-note svg{width:18px;height:18px;stroke:var(--cyan);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line-soft);margin-top:0;}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px;}
.footer-brand .logo-mark{font-size:20px;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:var(--muted);max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:20px;}
.footer-list{display:flex;flex-direction:column;gap:12px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--muted);}
.footer-list a:hover{color:var(--cyan);}
.footer-bottom{border-top:1px solid var(--line-soft);padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;}
.footer-bottom p,.footer-bottom a{font-size:13px;color:var(--muted);}
.footer-links{display:flex;flex-wrap:wrap;gap:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero h1{font-size:38px;}
  .cap-grid{gap:20px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .menu-toggle{display:flex;}
  .channel-list{display:none;}
  .channelbar-inner{justify-content:flex-end;}
  .brandbar-right .service-hours{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:48px;min-height:0;padding-top:56px;padding-bottom:64px;}
  .hero h1{font-size:34px;}
  .hero-sub{max-width:none;}
  .hero-metrics{gap:32px;}
  .cap-grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .case-card-lg{grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:40px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 40px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .section-head h2{font-size:22px;}
  .section-sub{font-size:15px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-actions{width:100%;}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;}
  .hero-metrics{gap:20px;}
  .hero-metrics strong{font-size:22px;}
  .float-card-a{top:-14px;left:-8px;min-width:148px;}
  .float-card-b{bottom:-18px;right:-6px;min-width:148px;}
  .cap-grid,.case-grid,.news-grid,.step-list{grid-template-columns:1fr;gap:16px;}
  .case-card-lg{grid-column:span 1;}
  .step-list{position:relative;padding-left:20px;}
  .step-list::before{content:'';position:absolute;left:6px;top:12px;bottom:12px;width:1px;background:linear-gradient(180deg,rgba(46,217,195,.5),rgba(46,217,195,0));}
  .step-card{padding:24px 20px;}
  .step-card::before{display:none;}
  .step-card::after{content:'';position:absolute;left:-20px;top:38px;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(46,217,195,.7);}
  .cta-copy h2{font-size:22px;}
  .cta-inner{padding:28px 20px;}
  .cta-form{padding:20px;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-main{grid-template-columns:1fr;gap:32px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .logo-mark{font-size:18px;}
  .brandbar-right{gap:10px;}
  .hero-metrics{padding-top:22px;margin-top:32px;}
  .hero-metrics li{min-width:calc(50% - 12px);}
  .float-card{padding:12px 14px;min-width:132px;}
  .fc-value{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: article */
:root{
  --bg:#0A1622;
  --bg-deep:#070F18;
  --bg-card:#0E1A27;
  --bg-float:#132331;
  --teal:#2ED9C3;
  --teal-link:#5FE3D0;
  --teal-soft:rgba(46,217,195,.12);
  --blue:#4C8DFF;
  --amber:#FFB33C;
  --t1:#F2F7FB;
  --t2:#B9C7D6;
  --t3:#7D8FA3;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.04);
  --glass-blur:blur(14px) saturate(140%);
  --r-card:16px;
  --r-btn:10px;
  --r-input:8px;
  --r-pill:999px;
  --shadow-card:0 24px 60px -30px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(46,217,195,.35),0 8px 30px -8px rgba(46,217,195,.45);
  --grad-cta:linear-gradient(135deg,#2ED9C3 0%,#4C8DFF 100%);
  --s-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Source Han Sans SC","思源黑体",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--t1);line-height:1.35;margin:0}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--teal-soft);color:var(--teal-link);border:1px solid rgba(46,217,195,.28)}
.badge-amber{background:rgba(255,179,60,.14);color:var(--amber);border-color:rgba(255,179,60,.3)}

/* 按钮 */
.btn-primary,.btn-ghost,.btn-text{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-weight:600;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out;text-align:center}
.btn-primary{height:44px;padding:0 22px;background:var(--grad-cta);color:#05131B;font-weight:700;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.btn-primary.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none}
.btn-ghost{height:40px;padding:0 18px;background:var(--glass);border:1px solid var(--line);color:var(--t1);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(46,217,195,.42);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.btn-ghost.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-text{color:var(--teal-link);font-size:15px;gap:6px}
.btn-text .arrow{transition:transform .2s ease-out}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn-text:hover{text-decoration:underline}

/* 头部品牌行 */
.site-header{position:relative;z-index:80}
.brandbar{background:var(--bg-deep);border-bottom:1px solid var(--line-soft)}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo{display:inline-flex;flex-direction:column;justify-content:center;line-height:1.2}
.logo-mark{font-size:20px;font-weight:800;color:var(--t1);letter-spacing:.5px}
.logo-sub{font-size:11px;color:var(--t3);margin-top:2px;letter-spacing:.6px}
.brandbar-right{display:flex;align-items:center;gap:14px}
.service-hours{font-size:14px;color:var(--t3)}
.lang-switch{font-size:13px;color:var(--t3);border:1px solid var(--line);border-radius:var(--r-pill);height:30px;padding:0 12px}
.lang-switch:hover{color:var(--t1);border-color:rgba(46,217,195,.4)}

/* 频道行 */
.channelbar{position:sticky;top:0;z-index:70;background:rgba(7,15,24,.86);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid transparent;transition:background .2s ease-out,border-color .2s ease-out}
.channelbar.is-scrolled{background:rgba(7,15,24,.94);border-bottom-color:var(--line-soft)}
.channelbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.channel-list{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-list::-webkit-scrollbar{display:none}
.channel{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);font-size:15px;color:var(--t2);white-space:nowrap;border:1px solid transparent;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out}
.channel:hover{background:rgba(255,255,255,.06);border-color:var(--line);color:var(--t1)}
.channel.is-active{background:linear-gradient(135deg,var(--teal),var(--blue));color:#06121A;font-weight:700;box-shadow:var(--glow)}
.channel:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:var(--glass);position:relative}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--t1);border-radius:2px;transform:translateX(-50%);content:""}
.menu-toggle span{top:50%;margin-top:-1px}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:200;background:var(--bg-deep);padding:24px 20px 40px;overflow-y:auto;transform:translateX(100%);transition:transform .24s ease-out;visibility:hidden}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer .logo-mark{font-size:20px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--t1)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-list li a{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-btn);font-size:16px;color:var(--t2);border-bottom:1px solid var(--line-soft)}
.drawer-list li a.is-active{color:var(--teal-link);font-weight:700}
.drawer-block{margin-top:28px}
.drawer-block h3{font-size:14px;color:var(--t3);font-weight:600;margin-bottom:10px;letter-spacing:.5px}
.drawer-block p{font-size:15px;color:var(--t2);margin:0 0 6px}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin:24px 0 0}
.breadcrumb a{color:var(--t3)}
.breadcrumb a:hover{color:var(--teal-link)}
.breadcrumb .sep{color:rgba(255,255,255,.18)}
.breadcrumb .current{color:var(--t2)}

/* 文章头 */
.article-hero{position:relative;margin-top:20px;padding:48px 0 40px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-soft);background-image:linear-gradient(90deg,#070F18 0%,rgba(7,15,24,.72) 60%,rgba(7,15,24,.35) 100%),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
.article-hero .container{position:relative;z-index:1}
.article-title{font-size:32px;font-weight:800;letter-spacing:.2px;max-width:880px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:14px;color:var(--t3)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2)}
.article-cover{margin:32px 0 0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:48px;align-items:start;margin:56px 0 0}
.article-main{min-width:0}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--t2)}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:28px;font-weight:700;margin:48px 0 16px;padding-left:14px;border-left:4px solid var(--teal);line-height:1.4}
.article-body h3{font-size:22px;font-weight:600;margin:32px 0 12px}
.article-body strong{color:var(--t1)}
.article-body a{color:var(--teal-link)}
.article-body a:hover{text-decoration:underline}
.article-body ul{margin:0 0 1.2em;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--teal)}
.article-body ol{margin:0 0 1.2em;padding-left:22px;list-style:decimal}
.article-body ol li{margin-bottom:8px}
.article-body blockquote{margin:24px 0;padding:16px 20px;border-left:3px solid var(--teal);background:var(--glass);border-radius:0 12px 12px 0;color:var(--t2);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}
.article-body img{border-radius:12px;border:1px solid var(--line);margin:24px 0;height:auto}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:rgba(255,255,255,.04);color:var(--t1);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body code{background:var(--bg-card);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--teal-link)}

/* 目录 */
.toc{position:sticky;top:88px;padding:20px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}
.toc-title{font-size:14px;font-weight:600;color:var(--t1);letter-spacing:1px;margin-bottom:12px}
.toc-list a{display:block;padding:8px 10px;font-size:14px;color:var(--t3);border-left:2px solid transparent;border-radius:0 8px 8px 0;line-height:1.5;transition:color .2s ease-out,background .2s ease-out,border-color .2s ease-out}
.toc-list a:hover{color:var(--t2);background:rgba(255,255,255,.04)}
.toc-list a.is-current{color:var(--teal-link);border-left-color:var(--teal);background:rgba(46,217,195,.08)}
.toc-mobile{display:none;margin:0 0 24px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line)}
.toc-mobile summary{padding:14px 18px;font-size:15px;font-weight:600;color:var(--t1);cursor:pointer;list-style:none}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"＋";float:right;color:var(--teal-link)}
.toc-mobile[open] summary::after{content:"－"}
.toc-mobile .toc-list{padding:0 8px 14px}

/* 标签 */
.tag-block{margin-top:40px;padding-top:24px;border-top:1px solid var(--line-soft)}
.tag-block h3{font-size:14px;color:var(--t3);font-weight:600;letter-spacing:.5px;margin-bottom:12px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);font-size:14px;color:var(--t2);background:rgba(255,255,255,.06);border:1px solid var(--line);transition:color .2s ease-out,border-color .2s ease-out}
.tag:hover{color:var(--teal-link);border-color:rgba(46,217,195,.42)}

/* 翻页卡 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
.pager-card{display:block;padding:22px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.pager-card:hover{transform:translateY(-2px);border-color:rgba(46,217,195,.4);box-shadow:var(--shadow-card)}
.pager-card .kicker{font-size:13px;color:var(--t3);letter-spacing:.5px}
.pager-card h3{font-size:18px;margin:8px 0 6px}
.pager-card p{font-size:14px;color:var(--t3);margin:0}

/* 相关推荐 */
.section{margin-top:var(--s-section)}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head h2{font-size:32px;font-weight:800}
.section-head .sub{font-size:14px;color:var(--t3)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);overflow:hidden;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.card:hover{transform:translateY(-2px);border-color:rgba(46,217,195,.4);box-shadow:var(--shadow-card)}
.card-media{overflow:hidden;border-bottom:1px solid var(--line)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.5}
.card-body p{font-size:14px;line-height:1.7;color:var(--t3);margin:0}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);padding-top:8px}

/* 空态 */
.empty-state{max-width:640px;padding:32px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}
.empty-state .icon{width:44px;height:44px;border-radius:12px;border:1.5px solid rgba(46,217,195,.5);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.empty-state .icon span{display:block;width:18px;height:2px;background:var(--teal)}
.empty-state h3{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--t2);margin-bottom:20px}

/* CTA */
.cta-band{margin-top:var(--s-section);border-radius:var(--r-card);border:1px solid var(--line);background:linear-gradient(115deg,rgba(46,217,195,.14) 0%,rgba(76,141,255,.12) 45%,rgba(255,255,255,.03) 100%),var(--bg-card);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{margin:0;color:var(--t2);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{margin-top:var(--s-section);background:var(--bg-deep);border-top:1px solid var(--line-soft);padding:56px 0 24px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--t3);margin-top:14px;max-width:320px;line-height:1.8}
.footer-title{font-size:14px;color:var(--t1);font-weight:600;letter-spacing:.5px;margin-bottom:14px}
.footer-list li{margin-bottom:10px;font-size:14px;color:var(--t3)}
.footer-list a{color:var(--t3)}
.footer-list a:hover{color:var(--teal-link)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t3)}
.footer-bottom p{margin:0}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:var(--t3)}
.footer-links a:hover{color:var(--teal-link)}

@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 232px;gap:32px}
  .card-grid{gap:20px}
}
@media (max-width:1023px){
  :root{--s-section:72px}
  .menu-toggle{display:block}
  .channel-list{display:none}
  .service-hours{display:none}
  .article-layout{grid-template-columns:1fr}
  .toc{display:none}
  .toc-mobile{display:block}
  .article-body{max-width:100%}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--s-section:48px}
  .container{padding:0 16px}
  .brandbar-inner{height:60px}
  .brandbar-right{gap:10px}
  .btn-ghost.btn-sm{height:44px;padding:0 14px}
  .article-title{font-size:28px}
  .article-hero{padding:32px 0 28px}
  .article-body h2{font-size:22px;margin:40px 0 14px}
  .article-body h3{font-size:18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head h2{font-size:22px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .pager{grid-template-columns:1fr;gap:16px}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%;min-width:80%}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --bg:#0A1622;
  --bg-deep:#070F18;
  --bg-card:#0E1A27;
  --bg-float:#132331;
  --cyan:#2ED9C3;
  --blue:#4C8DFF;
  --amber:#FFB33C;
  --text:#F2F7FB;
  --text-body:#B9C7D6;
  --text-muted:#7D8FA3;
  --link:#5FE3D0;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.04);
  --r-card:16px;
  --r-btn:10px;
  --r-input:8px;
  --shadow:0 24px 60px -30px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(46,217,195,.35),0 8px 30px -8px rgba(46,217,195,.45);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-body);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","思源黑体",system-ui,-apple-system,"Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--link);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#8FF3E6;}
button{font-family:inherit;cursor:pointer;}
input,select{font-family:inherit;font-size:16px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
section{scroll-margin-top:130px;}

/* ---------- 品牌行 ---------- */
.site-header{position:relative;z-index:60;}
.brandbar{
  background:var(--bg-deep);
  border-bottom:1px solid var(--line-soft);
}
.brandbar-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.logo{display:flex;flex-direction:column;gap:2px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--text);
}
.logo-sub{
  font-size:12px;
  line-height:1.2;
  color:var(--text-muted);
  letter-spacing:.02em;
}
.brandbar-right{display:flex;align-items:center;gap:16px;}
.service-hours{
  font-size:14px;
  color:var(--text-muted);
  white-space:nowrap;
}
.lang-switch{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text-body);
  font-size:13px;
  height:34px;
  padding:0 14px;
  border-radius:999px;
  transition:border-color .2s ease,color .2s ease;
}
.lang-switch:hover{border-color:rgba(46,217,195,.5);color:var(--text);}
.lang-switch:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

/* ---------- 频道行 ---------- */
.channelbar{
  position:sticky;
  top:0;
  z-index:55;
  height:56px;
  background:rgba(10,22,34,.78);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.channelbar.is-scrolled{
  background:rgba(10,22,34,.9);
  border-bottom-color:var(--line-soft);
}
.channelbar-inner{
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.channel-list{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--text-body);
  background:transparent;
  border:1px solid transparent;
  white-space:nowrap;
  position:relative;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.channel:hover{
  color:var(--text);
  background:var(--glass);
  border-color:var(--line);
}
.channel.is-active{
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#06121B;
  border-color:transparent;
  box-shadow:var(--glow);
}
.channel.is-active::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:-13px;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  box-shadow:0 0 12px rgba(46,217,195,.7);
}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  background:var(--glass);
  border:1px solid var(--line);
  position:relative;
  flex:0 0 auto;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after{
  position:absolute;
  left:12px;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  content:"";
  transition:transform .2s ease,opacity .2s ease;
}
.menu-toggle span{top:21px;}
.menu-toggle span::before{top:-6px;left:0;}
.menu-toggle span::after{top:6px;left:0;}
body.drawer-open .menu-toggle span{background:transparent;}
body.drawer-open .menu-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.drawer-open .menu-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:var(--bg-deep);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:24px;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
body.drawer-open .drawer{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;
  border-radius:var(--r-btn);
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  font-size:22px;
  line-height:1;
}
.drawer-list{display:flex;flex-direction:column;gap:8px;}
.drawer-list a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  color:var(--text);
  font-size:17px;
  font-weight:600;
  background:var(--glass);
  border:1px solid var(--line-soft);
}
.drawer-list a.is-active{
  background:linear-gradient(135deg,rgba(46,217,195,.9),rgba(76,141,255,.9));
  color:#06121B;
}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-foot p{font-size:14px;color:var(--text-muted);}
.drawer-foot .btn-ghost{justify-content:center;}

/* ---------- 按钮 ---------- */
.btn-primary,.btn-ghost,.btn-text{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 20px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#06121B;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);color:#06121B;box-shadow:0 0 0 1px rgba(46,217,195,.5),0 14px 38px -10px rgba(46,217,195,.6);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{border-color:rgba(46,217,195,.5);color:var(--text);transform:translateY(-2px);}
.btn-text{
  height:auto;
  padding:0;
  color:var(--link);
  background:none;
  border:none;
}
.btn-text:hover{color:#8FF3E6;}
.btn-text .arrow{transition:transform .2s ease;display:inline-block;}
.btn-text:hover .arrow{transform:translateX(4px);}
.btn-lg{height:48px;padding:0 26px;font-size:16px;}
.btn-sm{height:32px;padding:0 14px;font-size:13px;}
.btn-primary:focus-visible,.btn-ghost:focus-visible,.btn-text:focus-visible,.channel:focus-visible,.lang-switch:focus-visible,.menu-toggle:focus-visible,.drawer-close:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.btn-primary:disabled,.btn-ghost:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;}

/* ---------- 频道头 ---------- */
.page-hero{
  position:relative;
  min-height:40vh;
  display:flex;
  align-items:center;
  padding:64px 0;
  background-image:
    linear-gradient(180deg,#070F18 0%,rgba(7,15,24,.55) 55%,rgba(10,22,34,.92) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(46,217,195,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(46,217,195,.06) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.6;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{font-size:14px;color:var(--text-muted);margin-bottom:16px;}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--link);}
.crumb span{margin:0 8px;opacity:.6;}
.page-hero h1{
  font-size:44px;
  line-height:1.25;
  font-weight:800;
  color:var(--text);
  letter-spacing:.01em;
  max-width:820px;
}
.page-hero .lead{
  margin-top:16px;
  font-size:17px;
  color:var(--text-body);
  max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-body);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- 锚点条 ---------- */
.anchorbar{
  position:sticky;
  top:56px;
  z-index:50;
  height:56px;
  background:rgba(7,15,24,.88);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-soft);
}
.anchorbar-inner{
  height:56px;
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchorbar-inner::-webkit-scrollbar{display:none;}
.anchor{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--text-body);
  background:rgba(255,255,255,.06);
  border:1px solid transparent;
  white-space:nowrap;
}
.anchor:hover{color:var(--text);border-color:var(--line);}
.anchor.is-current{
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#06121B;
  box-shadow:var(--glow);
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-deep);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{
  font-size:32px;
  line-height:1.35;
  font-weight:700;
  color:var(--text);
}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-body);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--cyan);
  margin-bottom:14px;
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(46,217,195,0));
}

/* ---------- 卡片 ---------- */
.card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  overflow:hidden;
}
.card:hover{transform:translateY(-2px);border-color:rgba(46,217,195,.4);}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}

.cap-card{padding:32px 28px;display:flex;flex-direction:column;gap:14px;position:relative;}
.cap-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,rgba(46,217,195,.9),rgba(46,217,195,0));
}
.cap-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,217,195,.12);
  border:1px solid rgba(46,217,195,.28);
  color:var(--cyan);
}
.cap-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.cap-card h3{font-size:22px;font-weight:700;color:var(--text);}
.cap-card p{font-size:15px;line-height:1.7;color:var(--text-body);}
.cap-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px;}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:var(--link);
  background:rgba(46,217,195,.12);
  border:1px solid rgba(46,217,195,.22);
}
.badge-amber{
  color:var(--amber);
  background:rgba(255,179,60,.14);
  border-color:rgba(255,179,60,.28);
}

/* ---------- 规格对比 ---------- */
.spec-wrap{display:flex;flex-direction:column;gap:12px;}
.spec-row{
  display:grid;
  grid-template-columns:1.1fr 1.5fr 1.3fr 1.3fr;
  gap:16px;
  align-items:center;
  padding:20px 24px;
  border-radius:14px;
  border:1px solid var(--line-soft);
  background:rgba(14,26,39,.6);
  transition:border-color .2s ease,transform .2s ease-out;
}
.spec-row:nth-child(even){background:rgba(255,255,255,.03);}
.spec-row:hover{border-color:rgba(46,217,195,.35);transform:translateY(-2px);}
.spec-row.spec-head{
  background:transparent;
  border-color:transparent;
  padding:0 24px 8px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--text-muted);
  font-weight:600;
}
.spec-name{display:flex;flex-direction:column;gap:6px;}
.spec-name strong{font-size:18px;color:var(--text);font-weight:700;}
.spec-cell{font-size:14px;line-height:1.7;color:var(--text-body);}
.spec-cell strong{display:none;}

/* ---------- 图文并排 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split + .split{margin-top:64px;}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);}
.split-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .2s ease-out;}
.split-media:hover img{transform:scale(1.03);}
.split-text h3{font-size:26px;font-weight:700;color:var(--text);line-height:1.4;}
.split-text p{margin-top:16px;font-size:16px;color:var(--text-body);}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  line-height:1.7;
  color:var(--text-body);
  transition:color .2s ease;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:50%;
  background:rgba(46,217,195,.85);
  box-shadow:0 0 10px rgba(46,217,195,.5);
}
.check-list li:hover{color:var(--text);}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.step{
  padding:28px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  position:relative;
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.step:hover{transform:translateY(-2px);border-color:rgba(46,217,195,.4);}
.step-num{
  font-family:"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  color:var(--cyan);
  letter-spacing:.04em;
}
.step h3{font-size:18px;font-weight:700;color:var(--text);margin-top:12px;}
.step p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-body);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.is-open{border-color:rgba(46,217,195,.4);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 24px;
  background:none;
  border:none;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  min-height:44px;
}
.faq-q .chev{
  flex:0 0 auto;
  width:22px;height:22px;
  color:var(--cyan);
  transition:transform .25s ease;
}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 24px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-body);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:20px;
  border:1px solid rgba(46,217,195,.3);
  background-image:
    linear-gradient(135deg,rgba(7,15,24,.92),rgba(19,35,49,.9)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:48px;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:40px;
  align-items:center;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(46,217,195,.18),transparent 70%);
  pointer-events:none;
}
.cta-band h2{font-size:30px;font-weight:700;color:var(--text);line-height:1.4;}
.cta-band p{margin-top:14px;font-size:16px;color:var(--text-body);max-width:520px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:2;}
.cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%;}
.cta-note{font-size:13px;color:var(--text-muted);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line-soft);
  padding:72px 0 0;
  margin-top:0;
}
.footer-main{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-muted);max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:12px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-muted);}
.footer-list a:hover{color:var(--link);}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.footer-bottom p{font-size:13px;color:var(--text-muted);}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13px;color:var(--text-muted);}
.footer-links a:hover{color:var(--link);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .menu-toggle{display:block;}
  .channel-list{display:none;}
  .page-hero h1{font-size:34px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:28px;}
  .split + .split{margin-top:48px;}
  .split-media{order:-1;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .spec-row{grid-template-columns:1fr 1fr;}
  .spec-row.spec-head{display:none;}
  .spec-cell strong{display:block;font-size:12px;color:var(--text-muted);font-weight:600;letter-spacing:.04em;margin-bottom:2px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .service-hours{display:none;}
  .page-hero{padding:48px 0;min-height:auto;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:15px;}
  .anchorbar{top:56px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:22px;}
  .grid-3,.grid-2,.steps{grid-template-columns:1fr;gap:16px;}
  .split-text h3{font-size:20px;}
  .cap-card{padding:24px 20px;}
  .cap-card h3{font-size:18px;}
  .spec-row{grid-template-columns:1fr;gap:10px;padding:18px;}
  .cta-band{padding:28px 20px;}
  .cta-band h2{font-size:22px;}
  .faq-q{font-size:16px;padding:18px 20px;}
  .faq-a p{padding:0 20px 20px;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn-lg{width:100%;}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px;}
  .hero-tags{gap:8px;}
  .pill{font-size:12px;padding:0 12px;}
}

/* roulang page: category2 */
:root{
  --bg:#0A1622;
  --bg-deep:#070F18;
  --bg-card:#0E1A27;
  --bg-float:#132331;
  --cyan:#2ED9C3;
  --blue:#4C8DFF;
  --amber:#FFB33C;
  --grad-main:linear-gradient(135deg,#2ED9C3 0%,#4C8DFF 100%);
  --grad-hero:linear-gradient(180deg,#070F18 0%,rgba(7,15,24,.25) 100%);
  --glass:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --text:#F2F7FB;
  --text-body:#B9C7D6;
  --text-muted:#7D8FA3;
  --link:#5FE3D0;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:8px;
  --shadow-card:0 24px 60px -30px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(46,217,195,.35),0 8px 30px -8px rgba(46,217,195,.45);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-6:48px;
  --sp-8:64px;
  --sp-12:96px;
  --fs-h1:44px;
  --fs-h2:32px;
  --fs-h3:22px;
  --fs-card:18px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-badge:12px;
  --font-cn:'PingFang SC','HarmonyOS Sans','Noto Sans SC','Source Han Sans SC','Microsoft YaHei',system-ui,sans-serif;
  --font-mono:'SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-body);
  font-family:var(--font-cn);
  font-size:var(--fs-body);
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;height:auto;border:0;display:block;}
a{color:var(--link);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--cyan);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{color:var(--text);font-weight:700;line-height:1.35;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--sp-3);}

/* ============ 按钮 ============ */
.btn-primary,.btn-ghost,.btn-text{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--radius-btn);transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn-primary{height:48px;padding:0 28px;background:var(--grad-main);color:#04121A;box-shadow:var(--glow);}
.btn-primary:hover{color:#04121A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,217,195,.5),0 14px 36px -10px rgba(46,217,195,.6);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{height:48px;padding:0 26px;background:var(--glass);border:1px solid var(--line);color:var(--text);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.btn-ghost:hover{color:var(--text);border-color:rgba(46,217,195,.45);background:rgba(46,217,195,.08);}
.btn-text{height:auto;padding:0;color:var(--link);font-weight:600;}
.btn-text .arrow{display:inline-block;transition:transform .2s ease;}
.btn-text:hover .arrow{transform:translateX(4px);}
.btn-sm{height:32px;padding:0 16px;font-size:var(--fs-sm);border-radius:8px;}
.btn-lg{height:48px;padding:0 32px;}
.btn-primary[disabled],.btn-ghost[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed;}

/* ============ 顶部导航 ============ */
.site-header{position:relative;z-index:60;}
.brandbar{background:var(--bg-deep);border-bottom:1px solid var(--line-soft);}
.brandbar-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);}
.logo{display:inline-flex;flex-direction:column;gap:2px;text-decoration:none;}
.logo-mark{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--text);line-height:1.2;}
.logo-sub{font-size:12px;color:var(--text-muted);line-height:1.2;letter-spacing:.4px;}
.brandbar-right{display:flex;align-items:center;gap:var(--sp-2);}
.service-hours{font-size:var(--fs-sm);color:var(--text-muted);}
.lang-switch{height:32px;padding:0 14px;border-radius:999px;background:var(--glass);border:1px solid var(--line);color:var(--text-body);font-size:var(--fs-sm);transition:border-color .2s ease,color .2s ease;}
.lang-switch:hover{border-color:rgba(46,217,195,.45);color:var(--cyan);}
.channelbar{background:rgba(10,22,34,.75);border-bottom:1px solid var(--line-soft);position:sticky;top:0;z-index:55;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);transition:background .25s ease,box-shadow .25s ease;}
.channelbar.is-scrolled{background:rgba(7,15,24,.9);box-shadow:0 12px 30px -22px rgba(0,0,0,.9);}
.channelbar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);}
.channel-list{display:flex;align-items:center;gap:var(--sp-1);overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;font-size:var(--fs-sm);font-weight:600;color:var(--text-body);background:transparent;border:1px solid transparent;white-space:nowrap;position:relative;transition:background .2s ease,color .2s ease,border-color .2s ease;}
.channel:hover{background:var(--glass);border-color:var(--line);color:var(--text);}
.channel.is-active{background:var(--grad-main);color:#04121A;box-shadow:var(--glow);}
.channel.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:-14px;height:2px;border-radius:2px;background:var(--cyan);box-shadow:0 0 12px rgba(46,217,195,.9);}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--glass);position:relative;}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.menu-toggle span{top:21px;}
.menu-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.menu-toggle span::after{content:"";top:6px;left:0;transform:none;}
.menu-toggle[aria-expanded="true"] span{background:transparent;}
.menu-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0;}
.menu-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0;}

/* ============ 移动抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(7,15,24,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:24px 16px;overflow-y:auto;}
.drawer[hidden]{display:none;}
.drawer-brand{display:flex;flex-direction:column;gap:4px;padding-bottom:20px;border-bottom:1px solid var(--line-soft);}
.drawer-list{margin-top:12px;}
.drawer-list li a{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;color:var(--text);font-weight:600;border:1px solid transparent;}
.drawer-list li a:hover,.drawer-list li a.is-active{background:var(--glass);border-color:var(--line);color:var(--cyan);}
.drawer-contact{margin-top:24px;padding-top:20px;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:8px;font-size:var(--fs-sm);color:var(--text-muted);}
.drawer-contact strong{color:var(--text);font-weight:600;}
.drawer-close{position:absolute;top:18px;right:16px;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--glass);color:var(--text);font-size:20px;line-height:1;}

/* ============ 频道头部 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--bg-deep);}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.28;}
.page-hero::after{content:"";position:absolute;inset:0;background:var(--grad-hero);}
.page-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:64px 64px;opacity:.5;mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 78%);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 78%);}
.page-hero-wave{position:absolute;left:0;right:0;bottom:-10px;height:170px;opacity:.12;pointer-events:none;}
.page-hero-inner{position:relative;z-index:2;padding:72px 0 64px;max-width:820px;}
.crumb{font-size:var(--fs-sm);color:var(--text-muted);margin-bottom:16px;}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--cyan);}
.crumb span{margin:0 8px;opacity:.6;}
.page-hero h1{font-size:var(--fs-h1);font-weight:800;letter-spacing:-.5px;margin-bottom:16px;}
.page-hero .hero-sub{font-size:17px;color:var(--text-body);max-width:640px;line-height:1.8;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.fact-pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;background:var(--glass);border:1px solid var(--line);font-size:var(--fs-sm);color:var(--text-body);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.fact-pill b{color:var(--cyan);font-weight:700;margin-right:6px;font-family:var(--font-mono);}

/* ============ 锚点条 ============ */
.anchor-bar{position:sticky;top:56px;z-index:50;background:rgba(10,22,34,.9);border-bottom:1px solid var(--line-soft);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.anchor-inner{display:flex;align-items:center;gap:var(--sp-1);height:56px;overflow-x:auto;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-link{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;font-size:var(--fs-sm);font-weight:600;color:var(--text-body);background:rgba(255,255,255,.06);border:1px solid transparent;white-space:nowrap;transition:background .2s ease,color .2s ease;}
.anchor-link:hover{background:rgba(46,217,195,.12);color:var(--cyan);border-color:rgba(46,217,195,.3);}

/* ============ 板块 ============ */
.section{padding:var(--sp-12) 0;position:relative;}
.section-dark{background:var(--bg-deep);}
.section-head{max-width:720px;margin-bottom:var(--sp-6);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:var(--fs-badge);font-weight:700;letter-spacing:1.5px;color:var(--cyan);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);opacity:.7;}
.section-title{font-size:var(--fs-h2);font-weight:800;letter-spacing:-.3px;margin-bottom:14px;}
.section-sub{color:var(--text-body);font-size:var(--fs-body);max-width:640px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap;}

/* ============ 卡片 ============ */
.card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-card);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;}
.card:hover{transform:translateY(-2px);border-color:rgba(46,217,195,.35);box-shadow:0 0 0 1px rgba(46,217,195,.18),0 30px 60px -34px rgba(0,0,0,.85);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-3);}
.card-topline{height:2px;width:64px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),rgba(46,217,195,0));margin-bottom:20px;}
.card-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(46,217,195,.10);border:1px solid rgba(46,217,195,.25);color:var(--cyan);margin-bottom:18px;}
.card-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.card-title{font-size:var(--fs-card);font-weight:700;color:var(--text);margin-bottom:10px;line-height:1.5;}
.card-text{font-size:15px;line-height:1.7;color:var(--text-body);}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:var(--fs-sm);font-weight:600;color:var(--link);}
.card-link:hover{gap:10px;color:var(--cyan);}
.num-badge{font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--cyan);letter-spacing:1px;}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;}
.tl-item{position:relative;display:grid;grid-template-columns:52px 1fr;gap:var(--sp-3);padding-bottom:var(--sp-4);}
.tl-item::before{content:"";position:absolute;left:25px;top:44px;bottom:0;width:1px;background:linear-gradient(180deg,rgba(46,217,195,.45),rgba(255,255,255,.06));}
.tl-item:last-child::before{display:none;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:16px;font-weight:700;color:var(--cyan);background:var(--bg-card);border:1px solid rgba(46,217,195,.3);box-shadow:0 0 0 1px rgba(46,217,195,.12);}
.tl-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;display:grid;grid-template-columns:220px 1fr;gap:var(--sp-3);align-items:start;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-card);}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(46,217,195,.35);}
.tl-media{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,var(--bg-card) 0%,rgba(46,217,195,.10) 100%);aspect-ratio:4/3;}
.tl-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.tl-card:hover .tl-media img{transform:scale(1.03);}
.tl-body h3{font-size:var(--fs-card);font-weight:700;margin-bottom:10px;line-height:1.5;}
.tl-body p{font-size:15px;line-height:1.75;color:var(--text-body);}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:var(--fs-badge);font-weight:600;background:rgba(46,217,195,.12);color:var(--cyan);border:1px solid rgba(46,217,195,.22);}
.tag-amber{background:rgba(255,179,60,.12);color:var(--amber);border-color:rgba(255,179,60,.3);}
.tag-plain{background:rgba(255,255,255,.06);color:var(--text-body);border-color:var(--line);}

/* ============ 图文并排 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-6);align-items:center;}
.split-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:linear-gradient(135deg,var(--bg-card) 0%,rgba(76,141,255,.10) 100%);box-shadow:var(--shadow-card);}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.split-media:hover img{transform:scale(1.03);}
.split-body h3{font-size:var(--fs-h3);font-weight:700;margin-bottom:14px;line-height:1.5;}
.split-body p{color:var(--text-body);margin-bottom:16px;}
.split-body p:last-child{margin-bottom:0;}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}
.rule-list li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--text-body);font-size:15px;line-height:1.75;}
.rule-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(46,217,195,.8);}
.rule-list li b{color:var(--text);font-weight:600;}

/* ============ 对比条（卡片化行 + 斑马纹） ============ */
.compare{margin-top:8px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.02);}
.compare-row{display:grid;grid-template-columns:200px 1fr 1fr;gap:var(--sp-3);padding:22px 24px;align-items:center;}
.compare-row:nth-child(odd){background:rgba(255,255,255,.035);}
.compare-row:not(:last-child){border-bottom:1px solid var(--line-soft);}
.compare-head{background:rgba(46,217,195,.08)!important;}
.compare-key{font-size:var(--fs-sm);font-weight:700;color:var(--text);}
.compare-cell{font-size:15px;line-height:1.7;color:var(--text-body);}
.compare-cell b{display:block;color:var(--cyan);font-weight:600;font-size:var(--fs-sm);margin-bottom:4px;}

/* ============ 清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 32px;}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line-soft);}
.check-item svg{width:18px;height:18px;flex:0 0 18px;margin-top:5px;stroke:var(--cyan);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.check-item p{font-size:15px;line-height:1.7;color:var(--text-body);}
.check-item p b{color:var(--text);font-weight:600;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.faq-item.is-open{border-color:rgba(46,217,195,.35);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:22px 24px;font-size:16px;font-weight:600;color:var(--text);min-height:44px;}
.faq-q:hover{color:var(--cyan);}
.faq-q .chev{flex:0 0 20px;width:20px;height:20px;stroke:var(--cyan);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s ease;}
.faq-item.is-open .chev{transform:rotate(180deg);}
.faq-a{display:none;padding:0 24px 24px;font-size:15px;line-height:1.8;color:var(--text-body);}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA ============ */
.cta-wrap{padding:var(--sp-12) 0;}
.cta-panel{position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);background:var(--bg-card);padding:56px;display:grid;grid-template-columns:1.05fr 1fr;gap:var(--sp-6);align-items:center;box-shadow:var(--shadow-card);}
.cta-panel::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.14;}
.cta-panel::after{content:"";position:absolute;inset:0;background:var(--grad-hero);}
.cta-content,.cta-form{position:relative;z-index:2;}
.cta-content h2{font-size:var(--fs-h2);font-weight:800;margin-bottom:14px;}
.cta-content p{color:var(--text-body);max-width:460px;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:var(--fs-sm);color:var(--text-body);}
.cta-points li svg{width:16px;height:16px;stroke:var(--cyan);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.form-card{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:16px;padding:28px;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.form-card .form-hint{font-size:var(--fs-sm);color:var(--text-muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:var(--fs-sm);color:var(--text-body);margin-bottom:8px;font-weight:600;}
.field input,.field select{width:100%;height:44px;padding:0 14px;border-radius:var(--radius-input);background:var(--bg-card);border:1px solid rgba(255,255,255,.12);color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;}
.field input::placeholder{color:var(--text-muted);}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,217,195,.12);}
.field.is-error input,.field.is-error select{border-color:var(--amber);}
.field .err-msg{display:none;margin-top:6px;font-size:13px;color:var(--amber);}
.field.is-error .err-msg{display:block;}
.form-submit{width:100%;margin-top:8px;}
.form-note{margin-top:14px;font-size:13px;color:var(--text-muted);line-height:1.7;}
.form-success{display:none;align-items:center;gap:10px;margin-top:14px;font-size:var(--fs-sm);color:var(--cyan);}
.form-success.is-visible{display:flex;}
.form-success svg{width:18px;height:18px;stroke:var(--cyan);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line-soft);padding:64px 0 0;margin-top:0;}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--sp-4);padding-bottom:48px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:var(--fs-sm);color:var(--text-muted);line-height:1.8;max-width:340px;}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a,.footer-list span{font-size:var(--fs-sm);color:var(--text-muted);}
.footer-list a:hover{color:var(--cyan);}
.footer-bottom{border-top:1px solid var(--line-soft);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom p{font-size:13px;color:var(--text-muted);}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13px;color:var(--text-muted);}
.footer-links a:hover{color:var(--cyan);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sp-12:80px;}
  .container{padding:0 20px;}
}
@media (max-width:1023px){
  :root{--fs-h1:34px;--fs-h2:26px;--fs-h3:20px;--sp-12:72px;}
  .channel-list{display:none;}
  .menu-toggle{display:block;}
  .service-hours{display:none;}
  .brandbar-right .btn-ghost{display:none;}
  .page-hero-inner{padding:52px 0 48px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .tl-card{grid-template-columns:180px 1fr;}
  .split{grid-template-columns:1fr;gap:var(--sp-4);}
  .split.reverse .split-media{order:1;}
  .split.reverse .split-body{order:2;}
  .compare-row{grid-template-columns:160px 1fr 1fr;padding:20px;}
  .cta-panel{grid-template-columns:1fr;padding:40px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:var(--sp-4);}
}
@media (max-width:767px){
  :root{--fs-h1:28px;--fs-h2:22px;--fs-h3:18px;--fs-card:16px;--sp-12:48px;}
  .container{padding:0 16px;}
  .brandbar-inner{height:60px;}
  .channelbar-inner{height:52px;}
  .anchor-bar{top:52px;}
  .page-hero-inner{padding:40px 0 36px;}
  .page-hero .hero-sub{font-size:15px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .grid-3,.grid-2{grid-template-columns:1fr;gap:16px;}
  .tl-item{grid-template-columns:40px 1fr;gap:12px;}
  .tl-item::before{left:19px;top:40px;}
  .tl-node{width:40px;height:40px;border-radius:12px;font-size:14px;}
  .tl-card{grid-template-columns:1fr;padding:20px;}
  .tl-media{aspect-ratio:16/9;}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:18px;}
  .compare-head{display:none;}
  .compare-cell b{margin-bottom:2px;}
  .check-grid{grid-template-columns:1fr;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a{padding:0 18px 20px;}
  .cta-wrap{padding:48px 0;}
  .cta-panel{padding:28px 20px;border-radius:16px;}
  .form-card{padding:22px 18px;}
  .btn-primary,.btn-ghost{width:100%;}
  .btn-sm,.btn-text{width:auto;}
  .brandbar-right .btn-ghost.btn-sm{display:none;}
  .footer-main{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}