/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --surface:rgba(18,28,48,.55);
  --surface-2:rgba(255,255,255,.04);
  --primary:#1FE3B5;
  --primary-deep:#0FB894;
  --accent:#7A5CFF;
  --hot:#FF8A3D;
  --text-1:#EDF3FB;
  --text-2:#A7B6CC;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glow:rgba(31,227,181,.22);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-dock:22px;
  --shadow:0 18px 40px rgba(3,8,20,.45);
  --shadow-soft:0 10px 26px rgba(3,8,20,.35);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --gutter:24px;
  --maxw:1200px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background-color:var(--bg-0);
  color:var(--text-1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  letter-spacing:0;
  text-align:left;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;border-radius:16px;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease;}
a:hover{color:#5df3cf;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;}
hr{border:0;border-top:1px solid var(--line);margin:0;}

/* ============ 覆盖 Foundation 默认 ============ */
body,.off-canvas-wrapper,.grid-container{background-color:transparent;}
a{color:var(--primary);}
a:hover,a:focus{color:#5df3cf;}
.button,.button.primary,.button.secondary,.button.success{
  background-image:none;
  background-color:var(--accent);
  border-radius:var(--r-sm);
  font-weight:600;
  box-shadow:none;
}
.button:hover,.button:focus{background-color:var(--accent);}
.callout{
  background-color:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  color:var(--text-1);
}
input[type="text"],input[type="tel"],input[type="email"],select,textarea{
  background-color:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--text-1);
  box-shadow:none;
  margin:0;
  height:auto;
}
input::placeholder,textarea::placeholder{color:var(--text-3);}
select option{background-color:#0A1020;color:var(--text-1);}
menu,ul.menu{background:transparent;}
ul.menu li a{color:var(--text-2);text-decoration:none;}
.grid-container{padding-left:var(--gutter);padding-right:var(--gutter);}
.grid-x{display:flex;}
.cell{margin-bottom:0;}

/* ============ 通用容器与排版 ============ */
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.section{
  padding:96px 0;
  position:relative;
}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head .lead-block{max-width:660px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--primary);
  font-family:var(--mono);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:linear-gradient(90deg,var(--primary),transparent);
  display:inline-block;
}
h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text-1);
}
h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-1);
  margin-bottom:14px;
}
h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:10px;
}
p{color:var(--text-2);margin-bottom:14px;}
p:last-child{margin-bottom:0;}
.lead{font-size:17px;line-height:1.8;color:var(--text-2);}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.text-hot{color:var(--hot);}
.text-primary{color:var(--primary);}
.muted{color:var(--text-3);}
.small{font-size:14px;line-height:1.7;}
.micro{font-size:12.5px;line-height:1.7;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:14px 26px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
  text-decoration:none;
  line-height:1;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#04211A;
  box-shadow:0 0 0 1px rgba(31,227,181,.35),0 12px 30px var(--glow);
}
.btn-primary:hover{
  color:#04211A;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(31,227,181,.55),0 18px 40px rgba(31,227,181,.34);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
  color:var(--text-1);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  color:var(--text-1);
  border-color:rgba(31,227,181,.6);
  background:rgba(31,227,181,.08);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  text-decoration:none;
}
.link-arrow:hover{color:#5df3cf;text-decoration:underline;text-underline-offset:3px;}
.link-arrow i{transition:transform .2s ease;font-size:12px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  line-height:1;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid transparent;
  white-space:nowrap;
}
.badge-live{background:rgba(31,227,181,.12);color:var(--primary);border-color:rgba(31,227,181,.28);}
.badge-hot{background:rgba(255,138,61,.12);color:var(--hot);border-color:rgba(255,138,61,.28);}
.badge-cat{background:rgba(122,92,255,.14);color:#B7A6FF;border-color:rgba(122,92,255,.3);}
.badge-mute{background:rgba(255,255,255,.05);color:var(--text-2);border-color:var(--line);}
.dot-live{
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 0 rgba(31,227,181,.55);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(31,227,181,.5);}
  70%{box-shadow:0 0 0 10px rgba(31,227,181,0);}
  100%{box-shadow:0 0 0 0 rgba(31,227,181,0);}
}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:fixed;
  top:18px;
  left:50%;
  transform:translateX(-50%);
  width:min(1160px,calc(100% - 48px));
  z-index:90;
  border-radius:var(--r-dock);
  background:rgba(10,16,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:padding .28s ease,background-color .28s ease,box-shadow .28s ease,top .28s ease;
  padding:14px 18px;
}
.dock.is-scrolled{
  top:12px;
  padding:9px 18px;
  background:rgba(8,13,26,.9);
  box-shadow:0 22px 50px rgba(2,6,16,.62);
}
.dock-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  color:var(--text-1);
  text-decoration:none;
  flex-shrink:0;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:24px;height:24px;
  border-radius:7px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  position:relative;
  flex-shrink:0;
  box-shadow:0 0 18px var(--glow);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:3px;
  background:var(--bg-0);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand-name{
  font-size:16px;
  font-weight:700;
  letter-spacing:-.01em;
}
.brand-sub{
  font-family:var(--mono);
  font-size:10.5px;
  color:var(--text-3);
  letter-spacing:.1em;
  text-transform:uppercase;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.dock-nav a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  text-decoration:none;
  transition:color .2s ease,background-color .2s ease;
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.dock-nav a.is-active{color:var(--text-1);}
.dock-nav a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.dock-cta{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:11px 20px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:#04211A;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(31,227,181,.35),0 10px 26px var(--glow);
  text-decoration:none;
  transition:transform .18s ease,box-shadow .22s ease;
  line-height:1;
}
.dock-cta:hover{color:#04211A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,227,181,.6),0 16px 34px rgba(31,227,181,.34);}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(31,227,181,.45);background:rgba(31,227,181,.08);}
.dock-search{
  display:none;
  padding-top:14px;
  margin-top:12px;
  border-top:1px solid var(--line);
}
.dock-search.is-open{display:block;}
.dock-search form{
  display:flex;
  gap:10px;
  align-items:center;
}
.dock-search input{
  flex:1;
  padding:12px 16px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  font-size:14.5px;
  margin:0;
}
.dock-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--glow);}
.dock-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-1);
}
.dock-mobile{
  display:none;
  flex-direction:column;
  gap:4px;
  padding-top:14px;
  margin-top:12px;
  border-top:1px solid var(--line);
}
.dock-mobile.is-open{display:flex;}
.dock-mobile a{
  padding:12px 14px;
  border-radius:12px;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
}
.dock-mobile a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.dock-mobile a.is-active{color:var(--primary);background:rgba(31,227,181,.08);}

body{padding-top:112px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:74px 0 96px;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  opacity:.42;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(5,8,15,.97) 0%,rgba(5,8,15,.9) 42%,rgba(5,8,15,.62) 100%);
}
.hero-grid-lines{
  position:absolute;
  inset:0;
  z-index:1;
  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:64px 64px;
  mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 78%);
  pointer-events:none;
}
.glow{
  position:absolute;
  width:520px;height:520px;
  border-radius:50%;
  filter:blur(130px);
  pointer-events:none;
  z-index:1;
}
.glow-a{top:-180px;left:-140px;background:rgba(31,227,181,.2);}
.glow-b{bottom:-220px;right:-160px;background:rgba(122,92,255,.22);}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--primary),#7A5CFF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17px;
  line-height:1.82;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:26px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.trust-item{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:var(--text-2);
}
.trust-item i{color:var(--primary);font-size:14px;}
.trust-item strong{
  font-family:var(--mono);
  color:var(--text-1);
  font-weight:600;
}

/* Hero 右侧入口面板 */
.dock-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:26px;
  position:relative;
  overflow:hidden;
}
.dock-panel::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent),transparent);
}
.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px dashed var(--line);
  margin-bottom:18px;
}
.panel-head .tag{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--text-3);
  letter-spacing:.1em;
}
.panel-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--primary);
  font-weight:600;
}
.panel-steps{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:20px;
}
.panel-step{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
}
.panel-step .num{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--primary);
  border:1px solid rgba(31,227,181,.35);
  border-radius:8px;
  padding:3px 7px;
  line-height:1;
}
.panel-step .txt{font-size:14px;color:var(--text-2);}
.panel-step .txt b{color:var(--text-1);font-weight:600;}
.panel-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--text-3);
  font-family:var(--mono);
  padding-top:14px;
  border-top:1px solid var(--line);
}

/* ============ 通道长条列表 ============ */
.channel-list{display:flex;flex-direction:column;gap:14px;}
.channel-row{
  display:grid;
  grid-template-columns:74px minmax(0,1fr) auto;
  align-items:center;
  gap:22px;
  padding:22px 26px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:border-color .22s ease,transform .22s ease,background-color .22s ease;
}
.channel-row:hover{
  transform:translateY(-3px);
  border-color:rgba(31,227,181,.34);
  background:rgba(23,34,56,.62);
}
.channel-no{
  font-family:var(--mono);
  font-size:22px;
  font-weight:600;
  color:var(--primary);
  letter-spacing:-.02em;
}
.channel-body h3{margin-bottom:6px;font-size:19px;}
.channel-body p{font-size:14.5px;margin:0;}
.channel-meta{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.channel-meta .spec{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--text-3);
}

/* ============ 三步上手 ============ */
.steps{
  display:flex;
  flex-direction:column;
  position:relative;
}
.step{
  display:grid;
  grid-template-columns:96px minmax(0,1fr) 220px;
  gap:26px;
  align-items:center;
  padding:26px 0;
  border-bottom:1px dashed var(--line);
  position:relative;
}
.step:last-child{border-bottom:0;}
.step-no{
  font-family:var(--mono);
  font-size:34px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1px rgba(31,227,181,.65);
  letter-spacing:-.03em;
  line-height:1;
}
.step-body h3{margin-bottom:8px;}
.step-body p{font-size:14.5px;margin:0;max-width:640px;}
.step-checks{display:flex;flex-direction:column;gap:8px;}
.step-checks span{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
}
.step-checks i{color:var(--primary);font-size:11px;}

/* ============ 案例证明 ============ */
.proof-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:24px;
  align-items:stretch;
}
.proof-main{
  background:linear-gradient(160deg,rgba(31,227,181,.1),rgba(122,92,255,.08));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:26px;
  box-shadow:var(--shadow);
}
.proof-quote{
  font-size:19px;
  line-height:1.76;
  color:var(--text-1);
  font-weight:500;
}
.proof-tags{display:flex;flex-wrap:wrap;gap:8px;}
.proof-side{display:flex;flex-direction:column;gap:24px;}
.proof-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  flex:1;
  box-shadow:var(--shadow-soft);
}
.proof-card h3{font-size:17px;margin-bottom:8px;}
.proof-card p{font-size:14px;margin:0;}
.metrics{
  margin-top:24px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--bg-1);
  border:1px solid var(--line);
}
.metric .val{
  font-family:var(--mono);
  font-size:26px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:-.02em;
  line-height:1.2;
}
.metric .lab{font-size:13px;color:var(--text-3);margin-top:4px;}

/* ============ 资讯卡片 ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-grid .news-card:first-child{
  grid-column:span 2;
  grid-row:span 1;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  height:100%;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(31,227,181,.3);
  box-shadow:0 22px 46px rgba(3,8,20,.5);
}
.news-cover{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  background:var(--bg-1);
}
.news-cover img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .4s ease;
}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-cover .badge{position:absolute;top:14px;left:14px;}
.news-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.news-body h3{
  font-size:18px;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-body p{
  font-size:14px;
  margin:0;
  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);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.news-foot .time{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--text-3);
}
.empty-state{
  grid-column:1 / -1;
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
}
.empty-state i{
  font-size:28px;
  color:var(--text-3);
  margin-bottom:14px;
  display:block;
}
.empty-state p{font-size:15px;margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:44px;
  align-items:start;
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .22s ease,background-color .22s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.18);}
.faq-item[open]{border-color:rgba(31,227,181,.34);background:rgba(21,32,54,.66);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-idx{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--primary);
  border:1px solid rgba(31,227,181,.3);
  border-radius:8px;
  padding:3px 7px;
  line-height:1;
  flex-shrink:0;
}
.faq-q{flex:1;}
.faq-mark{
  position:relative;
  width:16px;height:16px;
  flex-shrink:0;
}
.faq-mark::before,.faq-mark::after{
  content:"";
  position:absolute;
  background:var(--text-2);
  transition:transform .24s ease,background-color .24s ease;
}
.faq-mark::before{top:7px;left:0;width:16px;height:2px;border-radius:2px;}
.faq-mark::after{left:7px;top:0;width:2px;height:16px;border-radius:2px;}
.faq-item[open] .faq-mark::after{transform:rotate(90deg);opacity:0;}
.faq-item[open] .faq-mark::before{background:var(--primary);}
.faq-a{
  padding:0 20px 20px 20px;
  border-top:1px solid var(--line);
  margin-top:2px;
  padding-top:16px;
}
.faq-a p{font-size:14.8px;color:var(--text-2);}

/* ============ 表单区 ============ */
.form-wrap{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:44px;
  align-items:start;
  background:linear-gradient(150deg,rgba(31,227,181,.07),rgba(122,92,255,.07));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:44px;
  box-shadow:var(--shadow);
}
.form-side ul{display:flex;flex-direction:column;gap:12px;margin-top:20px;}
.form-side li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--text-2);
}
.form-side li i{color:var(--primary);font-size:12px;margin-top:8px;}
.open-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:var(--text-2);font-weight:500;}
.field input,.field select,.field textarea{
  padding:14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  font-size:15px;
  color:var(--text-1);
  width:100%;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:110px;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px var(--glow);
}
.check-row{
  grid-column:1 / -1;
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:var(--text-2);
}
.check-row input{
  width:18px;height:18px;
  margin-top:4px;
  accent-color:var(--primary);
  flex-shrink:0;
}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-note{font-size:12.5px;color:var(--text-3);}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  padding:56px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(5,8,15,.95) 0%,rgba(5,8,15,.78) 60%,rgba(5,8,15,.6) 100%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{margin-bottom:10px;}
.cta-inner p{max-width:560px;margin:0;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,2.5fr) minmax(0,2.5fr) minmax(0,3fr);
  gap:36px;
  padding-bottom:52px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:320px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  text-decoration:none;
}
.footer-col a:hover{color:var(--primary);}
.footer-info li{
  font-size:14px;
  color:var(--text-2);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.footer-info i{color:var(--primary);font-size:13px;margin-top:6px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);text-decoration:none;font-family:var(--mono);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero-inner{gap:36px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid .news-card:first-child{grid-column:span 2;}
}
@media (max-width:1024px){
  .section{padding:76px 0;}
  .hero{padding:56px 0 76px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-sub{max-width:none;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .form-wrap{grid-template-columns:1fr;gap:28px;padding:32px;}
  .proof-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dock-nav{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-cta{display:none;}
  body{padding-top:96px;}
}
@media (max-width:768px){
  :root{--gutter:16px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:28px;}
  .dock{width:calc(100% - 24px);top:12px;padding:10px 14px;border-radius:18px;}
  .dock.is-scrolled{top:8px;padding:8px 14px;}
  .brand-name{font-size:15px;}
  .brand-sub{display:none;}
  .channel-row{grid-template-columns:1fr;gap:14px;padding:20px;}
  .channel-meta{justify-content:flex-start;}
  .step{grid-template-columns:64px minmax(0,1fr);gap:18px;padding:22px 0;}
  .step-no{font-size:26px;}
  .step-checks{grid-column:1 / -1;flex-direction:row;flex-wrap:wrap;gap:14px;}
  .news-grid{grid-template-columns:1fr;}
  .news-grid .news-card:first-child{grid-column:span 1;}
  .cta-band{padding:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .form-wrap{padding:24px;}
  .open-form{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr 1fr;gap:14px;padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .proof-main{padding:24px;}
}
@media (max-width:520px){
  h1{font-size:clamp(26px,7.6vw,34px);}
  h2{font-size:22px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .trust-row{gap:14px;flex-direction:column;}
  .btn{padding:13px 20px;}
  .metrics{grid-template-columns:1fr;}
  .faq-item summary{padding:16px;font-size:15px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --surface:rgba(18,28,48,.55);
  --surface-2:rgba(255,255,255,.04);
  --primary:#1FE3B5;
  --primary-deep:#0FB894;
  --accent:#7A5CFF;
  --hot:#FF8A3D;
  --text-1:#EDF3FB;
  --text-2:#A7B6CC;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --glow:rgba(31,227,181,.22);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 18px 40px rgba(3,8,20,.45);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#63f2cf;}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
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(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ---------- Dock 导航 ---------- */
.dock{position:fixed;top:18px;left:0;right:0;z-index:80;display:flex;justify-content:center;pointer-events:none;}
.dock-inner{
  pointer-events:auto;
  width:min(1160px,calc(100% - 48px));
  display:flex;align-items:center;gap:20px;
  padding:11px 18px;
  border-radius:22px;
  background:rgba(10,16,32,.62);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:padding .25s ease,background .25s ease,box-shadow .25s ease;
}
.dock.is-scrolled .dock-inner{padding:7px 18px;background:rgba(8,13,26,.88);box-shadow:0 22px 48px rgba(3,8,20,.6);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:24px;height:24px;border-radius:7px;flex:0 0 24px;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  box-shadow:0 0 0 1px rgba(255,255,255,.14) inset,0 6px 18px var(--glow);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:var(--bg-0);opacity:.72;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{color:var(--text-1);font-weight:700;font-size:16px;letter-spacing:0;}
.brand-sub{font-family:var(--mono);font-size:10.5px;color:var(--text-3);text-transform:uppercase;letter-spacing:.14em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto;flex-wrap:wrap;}
.dock-nav a{
  position:relative;
  padding:8px 12px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.dock-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.dock-nav a:hover::after,
.dock-nav a.is-active::after{transform:scaleX(1);}
.dock-nav a.is-active{color:var(--text-1);}
.dock-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface-2);color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:rgba(31,227,181,.45);color:var(--text-1);transform:translateY(-1px);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#04201A;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(255,255,255,.1) inset,0 10px 28px var(--glow);
}
.btn-primary:hover{color:#04201A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,255,255,.16) inset,0 16px 38px rgba(31,227,181,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--text-1);background:var(--surface-2);border-color:var(--line);
}
.btn-ghost:hover{color:var(--text-1);border-color:rgba(31,227,181,.5);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:11px;}
.dock-cta{padding:10px 18px;border-radius:999px;font-size:14.5px;}
.dock-toggle{display:none;}
.dock-search{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  width:min(1160px,calc(100% - 48px));margin:0 auto;
  padding:12px;border-radius:18px;
  background:rgba(10,16,32,.94);border:1px solid var(--line);
  box-shadow:var(--shadow);backdrop-filter:blur(18px);
  display:none;
}
.dock-search.is-open{display:block;}
.dock-search form{display:flex;gap:10px;}
.dock-search input{
  flex:1 1 auto;padding:12px 14px;border-radius:12px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-1);
}
.dock-search input::placeholder{color:var(--text-3);}
.dock-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 1px var(--glow);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:118px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.55;}
.crumb .current{color:var(--text-2);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  margin-top:22px;
  padding:52px 0 46px;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(5,8,15,.6),rgba(5,8,15,.93)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:1;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:rgba(122,92,255,.12);color:#b9a8ff;border:1px solid rgba(122,92,255,.32);
}
.badge-hot{background:rgba(255,138,61,.12);color:#ffb684;border-color:rgba(255,138,61,.32);}
.badge-live{background:rgba(31,227,181,.12);color:#71f0d3;border-color:rgba(31,227,181,.32);}
.article-hero h1{
  margin:18px 0 16px;
  font-size:clamp(28px,3.9vw,44px);
  font-weight:800;letter-spacing:-.02em;line-height:1.25;
  max-width:920px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:14px;color:var(--text-3);}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--text-3);opacity:.6;}
.meta-row i{color:var(--primary);font-size:13px;}

/* ---------- 正文 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.article-layout{max-width:820px;margin:0 auto;}
.article-body{font-size:16px;line-height:1.8;color:var(--text-2);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  margin:42px 0 16px;
  padding-left:14px;
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
}
.article-body h3{margin:28px 0 12px;font-size:20px;font-weight:600;color:var(--text-1);}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--text-1);}
.article-body p{margin:0 0 16px;}
.article-body strong{color:var(--text-1);font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body ul li{list-style:none;position:relative;margin-bottom:9px;}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--primary);opacity:.85;
}
.article-body ol{counter-reset:item;padding-left:26px;}
.article-body ol li{list-style:decimal;margin-bottom:9px;}
.article-body ol li::marker{color:var(--primary);font-family:var(--mono);}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;
  background:var(--surface);
  border-left:3px solid var(--primary);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--text-1);font-size:15.5px;
  backdrop-filter:blur(18px);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:22px 0;width:100%;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;
  background:rgba(255,255,255,.02);border-radius:var(--radius-md);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-body thead th{background:rgba(255,255,255,.05);color:var(--text-1);font-weight:600;}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
.article-body code{
  font-family:var(--mono);font-size:13.5px;
  background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;color:#9ff0dc;
}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#7df5d8;}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0;}

/* 空态 */
.empty-state{
  padding:56px 24px;text-align:center;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line);
}
.empty-state i{font-size:30px;color:var(--primary);}
.empty-state h2{margin:16px 0 10px;font-size:22px;}
.empty-state p{max-width:520px;margin:0 auto 20px;}

/* ---------- 区块标题 ---------- */
.block-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.block-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
.block-head p{margin:10px 0 0;color:var(--text-2);max-width:620px;font-size:15px;}

/* ---------- 通道长条 ---------- */
#channels{padding-top:16px;}
.channel-list{display:flex;flex-direction:column;gap:14px;}
.channel-row{
  display:flex;align-items:center;gap:20px;
  padding:20px 22px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.channel-row:hover{transform:translateY(-3px);border-color:rgba(31,227,181,.28);box-shadow:0 18px 36px rgba(3,8,20,.5);}
.channel-idx{font-family:var(--mono);font-size:15px;color:var(--primary);min-width:42px;}
.channel-main{flex:1 1 auto;min-width:0;}
.channel-main h3{font-size:17.5px;font-weight:600;margin-bottom:4px;}
.channel-main p{margin:0;font-size:14px;color:var(--text-2);}
.channel-side{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.status{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#71f0d3;}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(31,227,181,.14);animation:breathe 2s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.55;transform:scale(.86);}}

/* ---------- 相关推荐 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.info-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:rgba(31,227,181,.24);box-shadow:0 18px 40px rgba(3,8,20,.5);}
.info-card .thumb{position:relative;overflow:hidden;border-radius:16px 16px 0 0;}
.info-card .thumb img{width:100%;height:180px;object-fit:cover;transition:transform .4s ease;}
.info-card:hover .thumb img{transform:scale(1.03);}
.info-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.info-card h3{font-size:17px;font-weight:600;line-height:1.45;}
.info-card p{margin:0;font-size:14px;color:var(--text-2);}
.info-card .time{font-family:var(--mono);font-size:12.5px;color:var(--text-3);}
.info-card .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:40px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
details.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:0;transition:border-color .22s ease,background .22s ease;
}
details.faq-item:hover{border-color:rgba(255,255,255,.16);}
details.faq-item[open]{border-color:rgba(31,227,181,.3);}
details.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:12px;
  padding:16px 18px;color:var(--text-1);font-weight:600;font-size:15.5px;
}
details.faq-item summary::-webkit-details-marker{display:none;}
details.faq-item summary::after{
  content:"＋";margin-left:auto;color:var(--text-3);font-weight:600;transition:color .2s ease;
}
details.faq-item[open] summary::after{content:"－";color:var(--primary);}
.faq-num{
  width:22px;height:22px;border-radius:6px;flex:0 0 22px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(31,227,181,.14);color:var(--primary);
  font-family:var(--mono);font-size:12px;
}
.faq-body{padding:0 18px 18px 52px;font-size:14.8px;color:var(--text-2);}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- 表单 ---------- */
.open-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:48px;
  padding:44px;border-radius:24px;
  background-image:linear-gradient(180deg,rgba(10,16,32,.86),rgba(5,8,15,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border:1px solid var(--line);
}
.open-panel h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.open-panel .lead{color:var(--text-2);font-size:15.5px;max-width:460px;}
.tick-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.tick-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.tick-list i{color:var(--primary);margin-top:5px;font-size:13px;}
.form-card{
  background:rgba(10,16,32,.72);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;backdrop-filter:blur(18px);box-shadow:var(--shadow);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 1px var(--glow);
}
.field select option{background:#0A1020;color:var(--text-1);}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);margin:6px 0 18px;}
.check input{width:16px;height:16px;margin-top:3px;accent-color:#1FE3B5;flex:0 0 16px;}
.form-card .btn{width:100%;}
.hint{font-size:12.5px;color:var(--text-3);margin-top:12px;}

/* ---------- 返回栏目 ---------- */
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--primary);}
.back-link:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;padding:64px 0 28px;
  background:linear-gradient(180deg,rgba(10,16,32,.35),rgba(5,8,15,.9));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-info li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--text-2);}
.footer-info i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);font-family:var(--mono);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- Foundation 默认覆盖 ---------- */
a,.button,button{color:inherit;}
.button{border-radius:12px;background:none;border:0;padding:0;font-family:inherit;}
.callout{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--text-2);}
.menu a{color:var(--text-2);}
.menu a:hover{color:var(--text-1);}
.grid-x{display:flex;flex-wrap:wrap;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dock-nav a{padding:8px 10px;font-size:14.5px;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .open-panel{grid-template-columns:1fr;gap:32px;padding:32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .crumb-bar{padding-top:104px;}
  .dock-inner{gap:12px;padding:10px 14px;border-radius:18px;}
  .dock-nav{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:2px;
    padding:12px;border-radius:18px;
    background:rgba(10,16,32,.96);border:1px solid var(--line);box-shadow:var(--shadow);
  }
  .dock-nav.is-open{display:flex;}
  .dock-nav a{padding:12px 14px;font-size:15px;}
  .dock-nav a::after{display:none;}
  .dock-nav a.is-active{background:rgba(31,227,181,.12);color:#7df5d8;}
  .dock-toggle{display:inline-flex;}
  .dock-cta{display:none;}
  .brand-name{font-size:15px;}
  .article-hero{padding:38px 0 34px;border-radius:18px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .channel-row{flex-wrap:wrap;gap:14px;padding:18px;}
  .channel-side{width:100%;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;}
  .card-grid{grid-template-columns:1fr;}
  .article-body h2{margin-top:34px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .dock{top:12px;}
  .dock-inner{width:calc(100% - 24px);}
  .dock-search{width:calc(100% - 24px);}
  .article-hero{padding:30px 0 28px;}
  .article-body{font-size:15.5px;}
  .open-panel{padding:22px;border-radius:18px;}
  .form-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .block-head{margin-bottom:24px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --surface:rgba(18,28,48,0.55);
  --primary:#1FE3B5;
  --primary-deep:#0FB894;
  --accent:#7A5CFF;
  --hot:#FF8A3D;
  --text-1:#EDF3FB;
  --text-2:#A7B6CC;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,0.08);
  --glow:rgba(31,227,181,0.22);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 18px 40px rgba(3,8,20,0.45);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  color:var(--text-2);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{color:var(--text-1);margin:0 0 14px;font-weight:700;line-height:1.32;letter-spacing:-0.01em;}
h1{font-size:clamp(30px,4.4vw,54px);font-weight:800;letter-spacing:-0.02em;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;font-weight:600;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:16px;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:#5BF0CE;}
a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
button{font-family:inherit;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-0.01em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{color:var(--text-2);margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;
  color:var(--primary);background:rgba(31,227,181,.08);
  border:1px solid rgba(31,227,181,.22);border-radius:999px;
  padding:6px 14px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--glow);}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:fixed;top:18px;left:0;right:0;z-index:60;transition:top .25s ease;}
.dock{
  width:min(1160px,calc(100% - 48px));
  margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px;
  border-radius:22px;
  background:rgba(10,16,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:padding .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{
  padding:6px 14px;
  background:rgba(8,13,26,.9);
  box-shadow:0 22px 46px rgba(3,8,20,.62);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:24px;height:24px;border-radius:7px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 0 18px var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15px;font-weight:700;color:var(--text-1);white-space:nowrap;}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);font-family:var(--mono);}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.dock-nav a.is-active{color:var(--primary);background:rgba(31,227,181,.1);}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px var(--glow);
}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-1);font-size:16px;cursor:pointer;
}
.dock-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;
  color:#04140F;background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(31,227,181,.35),0 10px 26px var(--glow);
  transition:transform .2s ease,box-shadow .25s ease,color .2s ease;
}
.dock-cta:hover{color:#04140F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,227,181,.5),0 16px 34px rgba(31,227,181,.34);}
.dock-cta:active{transform:translateY(1px);}

/* ---------- 按钮 ---------- */
.button,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;font-family:var(--font);
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.button{margin:0;background:transparent;color:inherit;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04140F;
  box-shadow:0 0 0 1px rgba(31,227,181,.35),0 14px 32px var(--glow);
}
.btn-primary:hover{
  color:#04140F;transform:translateY(-2px);
  background:linear-gradient(135deg,#38F0C4,var(--primary-deep));
  box-shadow:0 0 0 1px rgba(31,227,181,.55),0 20px 44px rgba(31,227,181,.36);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:rgba(31,227,181,.55);color:var(--text-1);transform:translateY(-2px);background:rgba(255,255,255,.07);}
.btn-ghost:active{transform:translateY(1px);}
.btn:focus-visible,.button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;border-radius:999px;padding:4px 11px;
  border:1px solid transparent;white-space:nowrap;
}
.badge-online{color:var(--primary);background:rgba(31,227,181,.12);border-color:rgba(31,227,181,.28);}
.badge-accent{color:#B7A6FF;background:rgba(122,92,255,.14);border-color:rgba(122,92,255,.3);}
.badge-hot{color:var(--hot);background:rgba(255,138,61,.13);border-color:rgba(255,138,61,.3);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:168px 0 96px;
  background-image:linear-gradient(rgba(5,8,15,.74),rgba(5,8,15,.94)),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(520px 320px at 12% 8%,rgba(31,227,181,.16),transparent 62%),
    radial-gradient(560px 340px at 92% 82%,rgba(122,92,255,.16),transparent 64%),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:auto,auto,52px 52px,52px 52px;
}
.hero .container{position:relative;z-index:2;}
.hero h1{margin-bottom:18px;max-width:16em;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:34em;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 26px;}
.trust-row li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2);}
.trust-row i{color:var(--primary);font-size:14px;}
.trust-row .mono{color:var(--text-1);}

.hero-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.panel-index{font-family:var(--mono);font-size:13px;color:var(--text-1);letter-spacing:.08em;}
.status{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);}
.status .dot{
  width:8px;height:8px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 0 rgba(31,227,181,.55);
  animation:breathe 2s ease-in-out infinite;
}
@keyframes breathe{
  0%{box-shadow:0 0 0 0 rgba(31,227,181,.5);opacity:1;}
  70%{box-shadow:0 0 0 10px rgba(31,227,181,0);opacity:.72;}
  100%{box-shadow:0 0 0 0 rgba(31,227,181,0);opacity:1;}
}
.panel-thumb{margin-bottom:18px;}
.panel-thumb img{width:100%;height:150px;object-fit:cover;border-radius:14px;}
.panel-steps{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;}
.panel-steps li{
  display:flex;align-items:center;gap:12px;
  font-size:14.5px;color:var(--text-2);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:12px;padding:10px 14px;
}
.panel-steps .mono{color:var(--primary);font-size:13px;}
.panel-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 吸顶锚点条 ---------- */
.anchor-bar{
  position:sticky;top:92px;z-index:40;
  background:rgba(6,10,20,.86);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.anchor-inner{display:flex;align-items:center;gap:18px;padding:14px 24px;flex-wrap:wrap;}
.anchor-label{font-size:12.5px;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);}
.anchor-links{display:flex;flex-wrap:wrap;gap:8px;}
.anchor-links a{
  font-size:13.5px;color:var(--text-2);
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.anchor-links a:hover{color:var(--primary);border-color:rgba(31,227,181,.45);background:rgba(31,227,181,.07);transform:translateY(-1px);}

/* ---------- 通道对照 ---------- */
.channel-col-title{
  display:flex;align-items:center;gap:10px;
  font-size:14px;font-family:var(--mono);letter-spacing:.08em;
  color:var(--text-3);text-transform:uppercase;
  padding-bottom:12px;margin-bottom:18px;
  border-bottom:1px solid var(--line);
}
.channel-col-title .tag{font-family:var(--font);letter-spacing:0;font-size:12.5px;}
.channel-line{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px 20px;margin-bottom:14px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.channel-line:hover{transform:translateY(-3px);border-color:rgba(31,227,181,.28);box-shadow:0 16px 34px rgba(3,8,20,.5);}
.channel-line .line-index{
  flex:0 0 auto;width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--primary);
  background:rgba(31,227,181,.08);
  border:1px solid rgba(31,227,181,.24);
}
.line-body{flex:1 1 auto;min-width:0;}
.line-body h4{margin-bottom:4px;font-size:16.5px;}
.line-body p{font-size:14px;color:var(--text-2);margin:0;}
.channel-note{
  margin-top:10px;font-size:13.5px;color:var(--text-3);
  display:flex;align-items:flex-start;gap:9px;
}
.channel-note i{color:var(--accent);margin-top:4px;}

/* ---------- 操作步骤 ---------- */
.steps-wrap{position:relative;}
.steps-wrap::before{
  content:"";position:absolute;left:39px;top:18px;bottom:18px;
  border-left:1px dashed rgba(255,255,255,.14);
}
.step-row{
  position:relative;display:flex;align-items:center;gap:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px 24px;margin-bottom:18px;
  transition:border-color .25s ease,transform .25s ease;
}
.step-row:hover{border-color:rgba(31,227,181,.3);transform:translateX(3px);}
.step-num{
  flex:0 0 auto;width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;color:var(--primary);
  border:1px solid rgba(31,227,181,.35);
  background:var(--bg-1);
  position:relative;z-index:2;
}
.step-body{flex:1 1 auto;min-width:0;}
.step-body h3{margin-bottom:6px;}
.step-body p{font-size:14.5px;margin:0;}
.step-checks{
  flex:0 0 auto;display:flex;flex-direction:column;gap:6px;
  min-width:170px;
}
.step-checks li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.step-checks i{color:var(--primary);font-size:12px;}

/* ---------- 注意事项 ---------- */
.notes-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.note-item{
  display:flex;gap:14px;
  background:rgba(18,28,48,.42);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px 22px;
  transition:border-color .25s ease,background .25s ease;
}
.note-item:hover{border-color:rgba(122,92,255,.35);background:rgba(24,34,58,.55);}
.note-item .note-mark{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--accent);
  background:rgba(122,92,255,.14);
  border:1px solid rgba(122,92,255,.28);
}
.note-item h3{font-size:16px;margin-bottom:6px;}
.note-item p{font-size:14.5px;margin:0;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:0 20px;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(31,227,181,.26);}
.faq-item[open]{border-color:rgba(31,227,181,.34);background:rgba(20,32,54,.62);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 0;
  color:var(--text-1);font-size:16px;font-weight:600;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-no{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--primary);
  background:rgba(31,227,181,.12);
  border:1px solid rgba(31,227,181,.26);
}
.faq-item summary .faq-sign{
  margin-left:auto;flex:0 0 auto;
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:16px;
  transition:transform .3s ease,color .25s ease;
}
.faq-item[open] summary .faq-sign{transform:rotate(45deg);color:var(--primary);}
.faq-body{padding:0 0 20px 40px;color:var(--text-2);font-size:15px;}
.faq-body p{margin-bottom:10px;}
.faq-body p:last-child{margin-bottom:0;}
.faq-body ul{margin:8px 0 0;display:flex;flex-direction:column;gap:8px;}
.faq-body ul li{position:relative;padding-left:16px;font-size:14.5px;}
.faq-body ul li::before{
  content:"";position:absolute;left:0;top:10px;
  width:5px;height:5px;border-radius:1.5px;background:var(--primary);
}

/* ---------- 表单 / CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(6,10,20,.9),rgba(5,8,15,.96)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-block::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(600px 340px at 88% 12%,rgba(31,227,181,.14),transparent 66%);
}
.cta-block .container{position:relative;z-index:2;}
.cta-copy h2{margin-bottom:16px;}
.cta-copy p{font-size:15.5px;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-2);}
.cta-points i{color:var(--primary);}
.open-form{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:7px;font-weight:600;}
input[type="text"],input[type="tel"],input[type="email"],select,textarea{
  width:100%;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px;
  color:var(--text-1);
  font-size:15px;
  font-family:var(--font);
  line-height:1.6;
  height:auto;
  margin:0;
  appearance:none;
  -webkit-appearance:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
select{
  background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) calc(50% - 2px),calc(100% - 14px) calc(50% - 2px);
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:44px;
}
select option{background:#0A1020;color:var(--text-1);}
textarea{min-height:118px;resize:vertical;}
input::placeholder,textarea::placeholder{color:var(--text-3);}
input:focus,select:focus,textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 1px var(--glow);
  background:rgba(255,255,255,.06);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);margin-bottom:18px;}
.check-line input{width:17px;height:17px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto;}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:14px;display:flex;align-items:flex-start;gap:8px;}
.form-hint i{margin-top:3px;color:var(--accent);}
.form-submit{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:34em;}
.footer-col h4{
  font-size:14px;color:var(--text-1);margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--primary);}
.footer-info li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);}
.footer-info i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:76px 0;}
  .hero{padding:140px 0 76px;}
  .hero h1{max-width:none;}
  .dock{flex-wrap:wrap;}
  .dock-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .dock-cta{margin-left:0;}
  .dock-nav{
    display:none;
    order:5;width:100%;flex-direction:column;align-items:stretch;gap:4px;
    margin:8px 0 0;padding-top:10px;border-top:1px solid var(--line);
  }
  .dock.is-open .dock-nav{display:flex;}
  .dock-nav a{padding:11px 12px;border-radius:12px;}
  .dock-nav a.is-active::after{display:none;}
  .anchor-bar{top:86px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step-row{flex-wrap:wrap;}
  .step-checks{min-width:100%;flex-direction:row;flex-wrap:wrap;gap:10px 18px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:60px 0;}
  .section--tight{padding:52px 0;}
  .hero{padding:124px 0 60px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .notes-grid{grid-template-columns:1fr;}
  .steps-wrap::before{display:none;}
  .step-row{gap:16px;padding:20px;}
  .step-num{width:46px;height:46px;font-size:16px;}
  .faq-body{padding-left:0;}
  .cta-block{padding:60px 0;}
  .anchor-bar{top:80px;position:static;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .open-form{padding:20px;}
}
@media (max-width:520px){
  .dock{width:calc(100% - 24px);gap:10px;padding:8px 10px;}
  .site-header{top:10px;}
  .brand-name{font-size:13.5px;}
  .brand-sub{display:none;}
  .dock-cta{padding:9px 14px;font-size:13px;}
  .channel-line{flex-wrap:wrap;padding:16px;}
  .channel-line .badge{margin-left:62px;}
  .line-body h4{font-size:15.5px;}
  .trust-row{gap:10px 18px;}
  .trust-row li{font-size:13px;}
  h1{font-size:28px;}
  .footer-bottom{justify-content:flex-start;}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --surface:rgba(18,28,48,.55);
  --surface-solid:#0E1626;
  --primary:#1FE3B5;
  --primary-deep:#0FB894;
  --accent:#7A5CFF;
  --hot:#FF8A3D;
  --text-1:#EDF3FB;
  --text-2:#A7B6CC;
  --text-3:#6C7C93;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glow:rgba(31,227,181,.22);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-img:16px;
  --radius-btn:12px;
  --radius-dock:22px;
  --shadow:0 18px 40px rgba(3,8,20,.45);
  --shadow-soft:0 10px 26px rgba(3,8,20,.35);
  --gap:24px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:118px 0 0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.78;
  color:var(--text-1);
  background-color:var(--bg-0);
  text-align:left;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover,a:focus{color:#6FF3D1;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.32;letter-spacing:-0.01em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 14px;padding-left:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:rgba(31,227,181,.28);color:#fff;}

/* ===== 覆盖 Foundation 默认观感 ===== */
.button,.button:focus{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-radius:var(--radius-btn);
  color:#04140F;
  font-weight:700;
  box-shadow:0 10px 24px var(--glow);
  border:0;
}
.button:hover{background:linear-gradient(135deg,#39F0C6,var(--primary-deep));color:#04140F;}
.callout{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  color:var(--text-2);
}
input,select,textarea{color:var(--text-1);}
summary{list-style:none;cursor:pointer;}
summary::-webkit-details-marker{display:none;}
.menu a{text-decoration:none;}

/* ===== 容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.narrow{max-width:880px;}

/* ===== 浮动 Dock 导航 ===== */
.dock-wrap{
  position:fixed;
  top:18px;left:0;right:0;
  z-index:60;
  display:flex;
  justify-content:center;
  padding:0 24px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  position:relative;
  width:min(1160px,100%);
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:var(--radius-dock);
  background:rgba(10,16,32,.68);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:padding .25s ease,background .25s ease,box-shadow .25s ease;
}
.dock.is-compact{
  padding:6px 12px 6px 16px;
  background:rgba(8,13,26,.9);
  box-shadow:0 22px 46px rgba(2,6,16,.6);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-1);flex:0 0 auto;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:24px;height:24px;flex:0 0 24px;
  border-radius:8px;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 6px 18px var(--glow);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;
  border-radius:3px;background:var(--bg-0);
  opacity:.75;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:var(--text-3);text-transform:uppercase;}

.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-nav a{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.dock-nav a.is-active{color:var(--text-1);background:rgba(31,227,181,.1);}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  border-radius:2px;background:var(--primary);
}

.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:36px;height:36px;border-radius:10px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(31,227,181,.4);background:rgba(31,227,181,.08);}
.dock-toggle{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  font-size:15px;font-weight:700;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04140F;
  box-shadow:0 10px 26px var(--glow);
}
.btn-primary:hover{
  color:#04140F;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(31,227,181,.34);
  background:linear-gradient(135deg,#43F2C9,#0FCB9F);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px var(--glow);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
  color:var(--text-1);
}
.btn-ghost:hover{
  color:var(--text-1);
  border-color:rgba(31,227,181,.55);
  background:rgba(31,227,181,.08);
  transform:translateY(-2px);
}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-more:hover{text-decoration:underline;text-underline-offset:3px;color:#6FF3D1;}

.search-panel{
  position:absolute;top:calc(100% + 10px);right:14px;
  width:min(420px,calc(100vw - 48px));
  padding:10px;
  border-radius:var(--radius-md);
  background:rgba(10,16,32,.96);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.search-panel[hidden]{display:none;}
.search-form{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);}
.search-form i{color:var(--text-3);font-size:13px;}
.search-form input{
  flex:1;background:transparent;border:0;outline:none;
  font-size:14px;color:var(--text-1);font-family:inherit;
  margin:0;height:auto;box-shadow:none;
}
.search-form input::placeholder{color:var(--text-3);}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:56px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.34;
  z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,8,15,.86),rgba(5,8,15,.94)),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:100% 100%,46px 46px,46px 46px;
  z-index:1;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:20px;
  border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:var(--primary);
  background:rgba(31,227,181,.1);
  border:1px solid rgba(31,227,181,.28);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);animation:breathe 2s ease-in-out infinite;}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(31,227,181,.5);opacity:1;}
  50%{box-shadow:0 0 0 7px rgba(31,227,181,0);opacity:.65;}
}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;
  letter-spacing:-0.02em;
  margin-bottom:18px;
}
.hero h1 span{color:var(--primary);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:620px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 26px;}
.trust-item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2);}
.trust-item i{color:var(--primary);font-size:13px;}
.trust-item b{font-family:var(--font-mono);color:var(--text-1);font-weight:700;}

.hero-card{
  padding:22px;
  border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.hero-card-title{font-size:15px;font-weight:700;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  color:var(--primary);background:rgba(31,227,181,.12);
}
.status-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);animation:breathe 2s ease-in-out infinite;}
.hero-card img{margin-bottom:16px;aspect-ratio:16/10;object-fit:cover;width:100%;}
.hero-card-list{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;}
.hero-card-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13.5px;color:var(--text-2);
  padding:10px 12px;border-radius:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
}
.hero-card-list .idx{
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  color:var(--primary);flex:0 0 auto;padding-top:2px;
}
.hero-card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.hero-card-foot b{font-family:var(--font-mono);color:var(--text-2);font-weight:600;}

/* ===== 环境要求横条 ===== */
.req-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,32,.85),rgba(5,8,15,.7));
}
.req-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:0;
}
.req-item{
  padding:22px 20px;
  border-right:1px solid var(--line);
}
.req-item:last-child{border-right:0;}
.req-label{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;margin-bottom:6px;}
.req-value{font-size:14.5px;color:var(--text-1);font-weight:600;}
.req-value.mono{font-family:var(--font-mono);}

/* ===== 板块通用 ===== */
.section{padding:96px 0;}
.section.alt{background:linear-gradient(180deg,var(--bg-1),var(--bg-0));}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:15.5px;}
.tag{
  display:inline-block;padding:4px 12px;margin-bottom:14px;
  border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--accent);background:rgba(122,92,255,.14);
  border:1px solid rgba(122,92,255,.3);
}
.tag.hot{color:var(--hot);background:rgba(255,138,61,.12);border-color:rgba(255,138,61,.3);}
.tag.ok{color:var(--primary);background:rgba(31,227,181,.12);border-color:rgba(31,227,181,.3);}

/* ===== 双栏：吸顶目录 + 内容 ===== */
.layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:40px;align-items:start;}
.toc{position:sticky;top:104px;}
.toc-title{
  font-size:12.5px;letter-spacing:.14em;color:var(--text-3);
  text-transform:uppercase;font-family:var(--font-mono);margin-bottom:14px;
}
.toc ul{display:flex;flex-direction:column;gap:4px;}
.toc a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14px;color:var(--text-2);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc a .num{font-family:var(--font-mono);font-size:12px;color:var(--text-3);}
.toc a:hover{background:rgba(255,255,255,.045);color:var(--text-1);border-color:var(--line);}
.toc a.is-active{background:rgba(31,227,181,.1);color:var(--primary);border-color:rgba(31,227,181,.28);}
.toc-note{
  margin-top:20px;padding:16px;
  border-radius:var(--radius-md);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

.group{
  padding:28px;
  margin-bottom:24px;
  border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  scroll-margin-top:120px;
}
.group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px;}
.group-idx{
  flex:0 0 42px;width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  font-family:var(--font-mono);font-size:15px;font-weight:700;
  color:var(--primary);
  background:rgba(31,227,181,.1);
  border:1px solid rgba(31,227,181,.28);
}
.group-head h3{font-size:21px;font-weight:600;margin-bottom:6px;}
.group-head p{font-size:14px;color:var(--text-3);margin:0;}

.qa{padding:16px 0;border-top:1px solid var(--line);}
.qa:first-of-type{border-top:0;padding-top:0;}
.qa h4{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-1);}
.qa p{font-size:14.5px;color:var(--text-2);margin-bottom:8px;}
.qa ul.dots{display:flex;flex-direction:column;gap:8px;}
.qa ul.dots li{
  position:relative;padding-left:18px;
  font-size:14px;color:var(--text-2);
}
.qa ul.dots li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:2px;background:var(--primary);
  opacity:.85;
}
.qa code{
  font-family:var(--font-mono);font-size:13px;
  padding:2px 8px;border-radius:6px;
  background:rgba(122,92,255,.14);color:#C7BAFF;
}

/* 自查清单卡 */
.check-card{
  margin-top:22px;padding:22px;
  border-radius:var(--radius-md);
  background:rgba(31,227,181,.05);
  border:1px solid rgba(31,227,181,.22);
}
.check-card h4{
  font-size:15px;font-weight:700;margin-bottom:6px;color:var(--text-1);
  display:flex;align-items:center;gap:8px;
}
.check-card h4 i{color:var(--primary);font-size:14px;}
.check-card .hint{font-size:13px;color:var(--text-3);margin-bottom:14px;}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.check-item{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);line-height:1.6;
  cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.check-item:hover{border-color:rgba(31,227,181,.35);background:rgba(255,255,255,.055);}
.check-item input{
  margin:3px 0 0;flex:0 0 auto;width:15px;height:15px;
  accent-color:var(--primary);
}

/* 路径条 */
.path-list{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.path-item{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;
  align-items:center;gap:16px;
  padding:14px 16px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease;
}
.path-item:hover{border-color:rgba(31,227,181,.32);transform:translateX(4px);}
.path-item .tag-idx{
  font-family:var(--font-mono);font-size:12.5px;font-weight:700;
  color:var(--accent);letter-spacing:.06em;
}
.path-item .path-txt{font-size:14px;color:var(--text-2);}
.path-item .path-txt b{color:var(--text-1);font-weight:600;display:block;font-size:14.5px;margin-bottom:2px;}
.path-item .badge{flex:0 0 auto;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-ok{color:var(--primary);background:rgba(31,227,181,.12);}
.badge-hot{color:var(--hot);background:rgba(255,138,61,.13);}
.badge-cat{color:var(--accent);background:rgba(122,92,255,.14);}

/* ===== FAQ 分组 ===== */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.faq-col{
  padding:26px;
  border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.faq-col > h3{
  font-size:17px;font-weight:700;margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.faq-col > h3 i{color:var(--accent);font-size:15px;}
.faq-item{
  margin-bottom:12px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:last-child{margin-bottom:0;}
.faq-item:hover{border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.05);}
.faq-item[open]{border-color:rgba(31,227,181,.3);background:rgba(31,227,181,.05);}
.faq-item summary{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 18px;
  font-size:14.5px;font-weight:600;color:var(--text-1);
}
.faq-num{
  font-family:var(--font-mono);font-size:12.5px;font-weight:700;
  color:var(--primary);flex:0 0 auto;padding-top:3px;
}
.faq-sign{
  margin-left:auto;flex:0 0 auto;
  color:var(--text-3);font-size:15px;
  transition:transform .25s ease,color .25s ease;
}
.faq-item[open] .faq-sign{transform:rotate(45deg);color:var(--primary);}
.faq-body{padding:0 18px 18px 46px;font-size:14px;color:var(--text-2);}

/* ===== 提交表单区 ===== */
.open-section{
  position:relative;
  padding:96px 0;
  overflow:hidden;
}
.open-section::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 300px at 12% 8%,rgba(31,227,181,.14),transparent 70%),
    radial-gradient(520px 320px at 88% 92%,rgba(122,92,255,.16),transparent 70%);
  opacity:.9;
  z-index:0;
}
.open-section .container{position:relative;z-index:1;}
.open-grid{display:grid;grid-template-columns:minmax(0,1fr) 520px;gap:48px;align-items:start;}
.open-copy h2{font-size:clamp(24px,3vw,34px);font-weight:700;margin-bottom:16px;}
.open-copy p{color:var(--text-2);font-size:15.5px;margin-bottom:20px;}
.open-points{display:flex;flex-direction:column;gap:12px;}
.open-points li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  font-size:14px;color:var(--text-2);
}
.open-points i{color:var(--primary);margin-top:4px;font-size:13px;}

.form-card{
  padding:28px;
  border-radius:var(--radius-lg);
  background:rgba(12,19,34,.78);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;color:var(--text-2);font-weight:600;}
.field label .req{color:var(--hot);}
.field input,.field select,.field textarea{
  width:100%;
  padding:14px;
  border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:14.5px;
  font-family:inherit;
  margin:0;
  box-shadow:none;
  height:auto;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;
  -webkit-appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%236C7C93' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:12px;
  padding-right:38px;
}
.field select option{background:#0A1020;color:var(--text-1);}
.field textarea{min-height:118px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 1px var(--glow),0 0 22px rgba(31,227,181,.16);
  background:rgba(31,227,181,.05);
}
.field .err{font-size:12.5px;color:#FF7B6B;display:none;}
.field.has-error input,.field.has-error textarea{border-color:rgba(255,123,107,.6);}
.field.has-error .err{display:block;}
.agree{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;color:var(--text-3);line-height:1.7;
}
.agree input{width:15px;height:15px;margin:3px 0 0;accent-color:var(--primary);flex:0 0 auto;}
.agree a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px;}
.form-foot{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-foot .tip{font-size:12.5px;color:var(--text-3);}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-1),#04070D);
  padding:64px 0 28px;
  margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:13.5px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-info li{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);}
.footer-info i{color:var(--primary);font-size:12.5px;margin-top:5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);font-family:var(--font-mono);font-size:12.5px;}
.footer-bottom a:hover{color:var(--primary);}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 360px;gap:36px;}
  .open-grid{grid-template-columns:minmax(0,1fr) 460px;gap:36px;}
}
@media (max-width:1024px){
  .dock-nav a{padding:8px 9px;font-size:13.5px;}
  .hero{padding:40px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-card{max-width:520px;}
  .req-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .req-item{border-right:0;border-bottom:1px solid var(--line);}
  .req-item:nth-child(odd){border-right:1px solid var(--line);}
  .req-item:last-child{border-bottom:0;}
  .layout{grid-template-columns:1fr;gap:28px;}
  .toc{position:static;top:auto;}
  .toc ul{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:6px;}
  .toc a{flex:0 0 auto;white-space:nowrap;}
  .toc-note{display:none;}
  .faq-grid{grid-template-columns:1fr;}
  .open-grid{grid-template-columns:1fr;gap:32px;}
  .section{padding:72px 0;}
  .open-section{padding:72px 0;}
}
@media (max-width:768px){
  body{padding-top:96px;}
  .container{padding:0 16px;}
  .dock-wrap{padding:0 12px;top:12px;}
  .dock{flex-wrap:wrap;gap:10px;padding:10px 12px;}
  .dock-toggle{display:inline-flex;}
  .dock-nav{
    order:3;
    flex-basis:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin:0;
    padding-top:8px;
    border-top:1px solid var(--line);
  }
  .dock.is-open .dock-nav{display:flex;}
  .dock-nav a{padding:11px 12px;border-radius:10px;}
  .dock-nav a.is-active::after{display:none;}
  .dock-nav a.is-active{background:rgba(31,227,181,.12);}
  .dock-actions{margin-left:auto;}
  .dock-actions .btn-sm{display:none;}
  .search-panel{right:12px;left:12px;width:auto;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn{flex:1 1 100%;}
  .section{padding:56px 0;}
  .open-section{padding:56px 0;}
  .group{padding:22px;border-radius:var(--radius-md);}
  .group-head h3{font-size:19px;}
  .check-list{grid-template-columns:1fr;}
  .faq-col{padding:20px;}
  .faq-body{padding-left:18px;}
  .form-card{padding:22px;}
  .form-grid{grid-template-columns:1fr;}
  .path-item{grid-template-columns:1fr;gap:8px;}
  .path-item .badge{justify-self:start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .req-grid{grid-template-columns:1fr;}
  .req-item{border-right:0 !important;}
  .brand-name{font-size:14px;}
  .brand-sub{font-size:9.5px;}
  .hero-cta{gap:10px;}
  .btn{padding:12px 18px;font-size:14.5px;}
}