/* roulang page: index */
:root{
  --bg-0:#070B13;
  --bg-1:#0C1320;
  --bg-2:#111A2A;
  --glass:rgba(255,255,255,.045);
  --line:rgba(150,205,255,.14);
  --line-soft:rgba(255,255,255,.07);
  --primary:#2FE3C8;
  --primary-deep:#12A08D;
  --link:#6FB6FF;
  --warn:#FFC46B;
  --danger:#FF7A6B;
  --t1:#E9EFF8;
  --t2:#9FAEC4;
  --t3:#6C7C92;
  --t4:#4A5768;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:12px;
  --r-input:10px;
  --r-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.42);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --sans:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --sidebar:248px;
  --pad-x:40px;
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.lock{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--link);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
::selection{background:rgba(47,227,200,.28);color:#fff}
:focus-visible{outline:2px solid rgba(47,227,200,.55);outline-offset:2px;border-radius:6px}

/* ============ 布局骨架 ============ */
.main-wrap{
  margin-left:var(--sidebar);
  min-height:100vh;
  position:relative;
  padding-top:32px;
}
.main-wrap::before{
  content:"";
  position:absolute;
  top:-160px;left:50%;
  width:900px;height:900px;
  transform:translateX(-50%);
  background:radial-gradient(circle,rgba(47,227,200,.08),rgba(47,227,200,0) 62%);
  pointer-events:none;
  z-index:0;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 var(--pad-x);
  position:relative;
  z-index:1;
}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar);
  display:flex;
  flex-direction:column;
  background:linear-gradient(180deg,#0A111D 0%,#070B13 62%);
  border-right:1px solid var(--line-soft);
  z-index:80;
  transition:width .24s ease,transform .28s ease;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  height:88px;
  padding:0 18px;
  flex:0 0 auto;
  border-bottom:1px solid var(--line-soft);
  color:var(--t1);
}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:40px;height:40px;
  flex:0 0 auto;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,rgba(47,227,200,.18),rgba(111,182,255,.10));
  border:1px solid rgba(47,227,200,.34);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 8px 20px rgba(47,227,200,.16);
  color:var(--primary);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{
  font-size:15px;
  font-weight:700;
  line-height:1.28;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-text .brand-sub{
  display:block;
  font-size:11.5px;
  font-weight:500;
  color:var(--t3);
  letter-spacing:.04em;
}
.nav{
  padding:18px 12px;
  display:flex;
  flex-direction:column;
  gap:4px;
  flex:1 1 auto;
  overflow-y:auto;
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 16px;
  border-radius:10px;
  color:var(--t2);
  font-size:14.5px;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--t3);transition:color .2s ease}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.nav-item:hover i{color:var(--t2)}
.nav-item.is-active{
  color:var(--primary);
  background:rgba(47,227,200,.08);
}
.nav-item.is-active i{color:var(--primary)}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  box-shadow:0 0 14px rgba(47,227,200,.7);
}
.side-foot{
  flex:0 0 auto;
  padding:16px 14px 20px;
  border-top:1px solid var(--line-soft);
}
.side-download{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  width:100%;
  min-height:46px;
  padding:8px 12px;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,#3BF0D4,#17B7A1);
  color:#06120F;
  font-weight:700;
  font-size:14.5px;
  text-align:center;
  box-shadow:0 8px 28px rgba(47,227,200,.30),inset 0 1px 0 rgba(255,255,255,.45);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.side-download:hover{
  color:#06120F;
  transform:translateY(-1px);
  box-shadow:0 10px 34px rgba(47,227,200,.42),inset 0 1px 0 rgba(255,255,255,.5);
  filter:brightness(1.06);
}
.side-download:active{transform:translateY(0);background:linear-gradient(135deg,#2FD8C0,#0F9483)}
.side-download .dl-ver{
  display:block;
  font-family:var(--mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.02em;
  opacity:.72;
}
.side-ver,.side-meta{
  margin-top:10px;
  font-size:12px;
  line-height:1.6;
  color:var(--t4);
  letter-spacing:.02em;
}
.side-ver{font-family:var(--mono);color:var(--t3)}

/* ============ 移动顶部栏与抽屉 ============ */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(7,11,19,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
  z-index:90;
}
.topbar .brand{padding:0;height:auto;border:0;gap:10px}
.topbar .brand-text{font-size:14px}
.topbar .brand-mark{width:32px;height:32px;border-radius:12px}
.topbar .brand-mark svg{width:18px;height:18px}
.hamburger{
  width:40px;height:40px;
  display:grid;
  place-items:center;
  gap:4px;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--t2);
}
.hamburger span{
  display:block;
  width:16px;height:1.6px;
  background:currentColor;
  border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}
.scrim{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(4,8,14,.62);
  backdrop-filter:blur(4px);
  z-index:75;
}
.scrim.is-on{display:block}

/* ============ 通用组件 ============ */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(47,227,200,.09);
  border:1px solid rgba(47,227,200,.28);
  color:var(--primary);
  font-size:12.5px;
  letter-spacing:.04em;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#3BF0D4,#17B7A1);
  color:#06120F;
  box-shadow:0 8px 28px rgba(47,227,200,.30),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary:hover{
  color:#06120F;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 10px 34px rgba(47,227,200,.42),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#2FD8C0,#0F9483);box-shadow:0 6px 18px rgba(47,227,200,.28)}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(160,210,255,.28);
  color:#CFE6FF;
}
.btn-ghost:hover{
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(0);background:rgba(47,227,200,.08)}
.btn-sm{min-height:40px;padding:0 18px;font-size:13.5px;border-radius:10px}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;filter:none}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1.5;
  letter-spacing:.02em;
  border:1px solid transparent;
  white-space:nowrap;
}
.badge-ok{background:rgba(47,227,200,.10);border-color:rgba(47,227,200,.34);color:var(--primary)}
.badge-warn{background:rgba(255,196,107,.10);border-color:rgba(255,196,107,.34);color:var(--warn)}
.badge-cat{background:rgba(111,182,255,.10);border-color:rgba(111,182,255,.30);color:var(--link)}
.badge-plat{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:var(--t2)}

/* ============ Hero ============ */
.hero{position:relative;padding:40px 0 64px;overflow:hidden}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(150,205,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,205,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(120% 90% at 30% 0%,#000 12%,transparent 78%);
  mask-image:radial-gradient(120% 90% at 30% 0%,#000 12%,transparent 78%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.42fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
  position:relative;
  z-index:1;
}
.hero h1{
  margin:20px 0 18px;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.18;
  letter-spacing:-.01em;
  font-weight:700;
}
.hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-sub{
  max-width:38em;
  color:var(--t2);
  font-size:16px;
  line-height:1.78;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.trust-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  margin-top:36px;
  padding-top:22px;
  border-top:1px solid var(--line-soft);
}
.trust-strip li{display:flex;flex-direction:column;gap:4px;min-width:0}
.trust-k{font-size:12.5px;color:var(--t3);letter-spacing:.02em}
.trust-v{font-size:14px;color:var(--t1);font-family:var(--mono);letter-spacing:.02em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-visual{position:relative}
.hero-visual .visual-frame{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
  aspect-ratio:4/3;
  background:var(--bg-1);
}
.hero-visual img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.9) brightness(.86);
}
.hero-visual .visual-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(7,11,19,.42),rgba(7,11,19,.82));
}
.glass-card{
  position:absolute;
  left:-28px;
  bottom:-26px;
  width:min(300px,86%);
  padding:18px 20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:0 18px 48px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.12);
}
.glass-card .gc-title{font-size:13px;color:var(--t3);letter-spacing:.05em}
.glass-card .gc-ver{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--t1);margin-top:2px}
.glass-card .gc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* ============ 板块通用 ============ */
.section{padding:var(--section-y) 0;position:relative}
.section--tight{padding:64px 0}
.section-head{margin-bottom:32px;max-width:760px}
.section-head .sh-tag{
  display:inline-block;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--primary);
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.005em;
}
.section-head p{margin-top:12px;color:var(--t2);font-size:15px}
.section-head--row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  max-width:none;
}
.sec-link{
  font-size:14px;
  color:var(--link);
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding-bottom:4px;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.sec-link:hover{color:var(--primary);border-color:var(--primary)}

/* ============ 价值四点 ============ */
.values{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0;
  border-top:1px solid var(--line-soft);
}
.value-cell{
  padding:34px 32px 34px 0;
  border-bottom:1px solid var(--line-soft);
}
.value-cell:nth-child(odd){
  border-right:1px solid var(--line-soft);
  padding-right:40px;
}
.value-cell:nth-child(even){padding-left:40px}
.value-cell:nth-child(2){margin-top:34px}
.value-cell:nth-child(4){margin-top:34px}
.value-num{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--t4);
}
.value-cell h3{
  margin:12px 0 10px;
  font-size:19px;
  font-weight:600;
  line-height:1.4;
}
.value-cell p{color:var(--t2);font-size:14.5px;line-height:1.75}

/* ============ 截图轮播 ============ */
.shots{position:relative}
.shots-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 0 22px;
  scrollbar-width:none;
}
.shots-track::-webkit-scrollbar{display:none}
.shot{
  flex:0 0 320px;
  scroll-snap-align:start;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  overflow:hidden;
  box-shadow:0 12px 32px rgba(0,0,0,.32),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease,border-color .22s ease;
}
.shot:hover{transform:translateY(-3px);border-color:rgba(47,227,200,.34)}
.shot-media{
  aspect-ratio:16/9;
  background:var(--bg-1);
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.shot-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.shot:hover .shot-media img{transform:scale(1.04)}
.shot-body{padding:18px}
.shot-body h3{font-size:18px;font-weight:600;line-height:1.4}
.shot-body p{margin-top:6px;font-size:13.5px;color:var(--t3);line-height:1.7}
.shots-dots{display:flex;align-items:center;gap:8px;margin-top:6px}
.dot{
  width:8px;height:8px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  transition:width .24s ease,background .24s ease;
}
.dot.is-on{width:24px;background:var(--primary)}

/* ============ 系统要求 ============ */
.req-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.req-card{
  padding:26px;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.req-card h3{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:600;
  margin-bottom:16px;
}
.req-card h3 i{color:var(--primary);font-size:15px}
.req-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,.08);
  font-size:14px;
}
.req-row:last-child{border-bottom:0}
.req-k{color:var(--t3);flex:0 0 auto}
.req-dots{flex:1 1 auto;border-bottom:1px dashed rgba(255,255,255,.1);transform:translateY(-3px)}
.req-v{font-family:var(--mono);color:var(--t1);font-size:13.5px;text-align:right}
.req-note{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-top:14px;
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:rgba(255,196,107,.06);
  border:1px solid rgba(255,196,107,.22);
  color:var(--warn);
  font-size:13px;
  line-height:1.7;
}

/* ============ 下载区 ============ */
.download-panel{
  position:relative;
  padding:44px;
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.026));
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.1);
  overflow:hidden;
}
.download-panel::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,200,.75),transparent);
}
.download-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 140px;
  gap:40px;
  align-items:center;
}
.download-panel h2{font-size:clamp(22px,2.4vw,28px);line-height:1.3;font-weight:700}
.download-panel .dl-desc{margin-top:12px;color:var(--t2);font-size:14.5px;max-width:44em}
.dl-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.dl-meta{
  margin-top:14px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  font-size:12.5px;
  color:var(--t4);
  letter-spacing:.02em;
}
.dl-meta span{font-family:var(--mono)}
.qr-card{
  width:140px;
  padding:10px;
  border-radius:8px;
  background:#fff;
  box-shadow:0 12px 30px rgba(0,0,0,.4);
}
.qr-card .qr-box{
  aspect-ratio:1/1;
  border-radius:4px;
  display:grid;
  place-items:center;
  background:
    repeating-linear-gradient(45deg,#0B1220 0 6px,#fff 6px 12px);
  color:#0B1220;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  text-align:center;
  line-height:1.4;
}
.qr-card .qr-cap{
  margin-top:8px;
  text-align:center;
  font-size:12px;
  color:#22303f;
  line-height:1.4;
}

/* ============ 评价墙 ============ */
.reviews{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.reviews .col2{margin-top:-40px}
.review{
  padding:24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
  box-shadow:0 18px 48px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.1);
  transition:transform .22s ease,border-color .22s ease;
}
.review:hover{transform:translateY(-2px);border-color:rgba(47,227,200,.3)}
.review p{font-size:14.5px;line-height:1.8;color:var(--t1)}
.review-foot{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line-soft);
}
.avatar{
  width:36px;height:36px;
  flex:0 0 auto;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:700;
  color:#06120F;
  background:linear-gradient(135deg,#3BF0D4,#17B7A1);
  box-shadow:0 0 0 1px rgba(47,227,200,.4);
}
.who{display:flex;flex-direction:column;gap:3px;min-width:0}
.who-name{font-size:14px;color:var(--t1);font-weight:600}
.who-plat{font-size:12px;color:var(--t3)}
.stars{margin-left:auto;display:flex;gap:3px;color:var(--primary);font-size:11.5px}

/* ============ 最新信息 CMS ============ */
.news-list{
  border-top:1px solid var(--line-soft);
}
.news-item{
  display:grid;
  grid-template-columns:76px minmax(0,1fr) 22px;
  gap:22px;
  align-items:center;
  padding:22px 4px;
  border-bottom:1px solid var(--line-soft);
  color:var(--t1);
  transition:background .2s ease;
}
.news-item:hover{background:rgba(255,255,255,.035);color:var(--t1)}
.news-date{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:8px 0;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
}
.news-day{font-family:var(--mono);font-size:20px;font-weight:700;line-height:1.2;color:var(--t1)}
.news-mon{font-size:11.5px;color:var(--t3);letter-spacing:.04em;line-height:1.4}
.news-main{min-width:0}
.news-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.news-title{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  transition:color .2s ease;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-item:hover .news-title{color:var(--primary)}
.news-sum{
  font-size:13.5px;
  color:var(--t3);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-arrow{color:var(--t4);transition:transform .2s ease,color .2s ease}
.news-item:hover .news-arrow{transform:translateX(4px);color:var(--primary)}
.empty-state{
  padding:40px 24px;
  border-radius:var(--r-card);
  border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.02);
  text-align:center;
}
.empty-state p{font-size:14px;color:var(--t3);margin-bottom:16px}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line-soft)}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  padding:22px 4px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--t1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--t2);
  transform:translate(-50%,-50%);
  transition:transform .22s ease,background .2s ease;
}
.faq-icon::before{width:9px;height:1.6px}
.faq-icon::after{width:1.6px;height:9px}
.faq-q[aria-expanded="true"] .faq-icon{border-color:rgba(47,227,200,.6);background:rgba(47,227,200,.12)}
.faq-q[aria-expanded="true"] .faq-icon::before,
.faq-q[aria-expanded="true"] .faq-icon::after{background:var(--primary)}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{
  display:none;
  padding:0 4px 24px;
  max-width:760px;
}
.faq-a p{font-size:15px;line-height:1.85;color:var(--t2)}
.faq-a.is-open{display:block}

/* ============ 页脚前 CTA ============ */
.cta-band{
  padding:36px 40px;
  border-radius:var(--r-card);
  background:
    linear-gradient(120deg,rgba(47,227,200,.14),rgba(111,182,255,.06) 58%,rgba(255,255,255,.02)),
    var(--bg-1);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(19px,2.1vw,24px);line-height:1.4;font-weight:700}
.cta-band p{margin-top:8px;color:var(--t2);font-size:14px}

/* ============ 页脚 ============ */
.footer{
  position:relative;
  margin-top:var(--section-y);
  padding:64px 0 0;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(12,19,32,.6),rgba(7,11,19,1));
  overflow:hidden;
}
.footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(150,205,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,205,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(80% 100% at 50% 0%,#000,transparent 76%);
  mask-image:radial-gradient(80% 100% at 50% 0%,#000,transparent 76%);
  pointer-events:none;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  position:relative;
  z-index:1;
}
.footer h4{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--t3);
  font-weight:600;
  margin-bottom:16px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px}
.footer-brand span{font-weight:700;font-size:15px}
.footer p.f-desc{font-size:13.5px;color:var(--t3);line-height:1.8;max-width:26em}
.f-link{display:flex;flex-direction:column;gap:10px}
.f-link a{
  font-size:13.5px;
  color:var(--t2);
  width:fit-content;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .2s ease,border-color .2s ease;
}
.f-link a:hover{color:var(--primary);border-color:var(--primary)}
.f-link span{font-size:13.5px;color:var(--t3);line-height:1.8}
.footer-bottom{
  position:relative;
  z-index:1;
  margin-top:52px;
  padding:20px 0 26px;
  border-top:1px solid var(--line-soft);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--t4);
  letter-spacing:.02em;
}
.footer-bottom .fb-right{display:flex;flex-wrap:wrap;gap:6px 20px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sidebar:76px;--pad-x:28px;--section-y:72px}
  .brand{padding:0;justify-content:center;height:76px}
  .brand-text{display:none}
  .nav{padding:16px 10px;align-items:center}
  .nav-item{
    justify-content:center;
    padding:0;
    width:44px;
    position:relative;
  }
  .nav-item .nav-label{display:none}
  .nav-item i{font-size:16px}
  .nav-item.is-active::before{top:12px;bottom:12px;left:-10px}
  .nav-item::after{
    content:attr(data-label);
    position:absolute;
    left:56px;
    top:50%;
    transform:translateY(-50%);
    padding:5px 10px;
    border-radius:8px;
    background:var(--bg-2);
    border:1px solid var(--line);
    font-size:12.5px;
    color:var(--t1);
    white-space:nowrap;
    opacity:0;
    pointer-events:none;
    transition:opacity .18s ease;
    z-index:5;
  }
  .nav-item:hover::after{opacity:1}
  .side-foot{padding:14px 10px 18px}
  .side-download{
    width:44px;
    min-height:44px;
    padding:0;
    margin:0 auto;
  }
  .side-download .dl-text,.side-download .dl-ver{display:none}
  .side-ver,.side-meta{display:none}
  .glass-card{left:-14px;bottom:-18px}
  .hero-grid{gap:36px}
  .reviews .col2{margin-top:-24px}
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .download-grid{grid-template-columns:minmax(0,1fr) 120px;gap:28px}
  .qr-card{width:120px}
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .glass-card{left:auto;right:12px;bottom:-22px;width:min(280px,80%)}
  .req-grid{grid-template-columns:1fr}
  .reviews{grid-template-columns:1fr}
  .reviews .col2{margin-top:0}
  .review.hide-sm{display:none}
  .value-cell{padding:26px 0}
  .value-cell:nth-child(odd){border-right:0;padding-right:0}
  .value-cell:nth-child(even){padding-left:0}
  .value-cell:nth-child(2),.value-cell:nth-child(4){margin-top:0}
  .values{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .download-grid{grid-template-columns:1fr}
  .qr-card{width:140px}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:767px){
  :root{--pad-x:18px;--section-y:48px}
  .main-wrap{margin-left:0;padding-top:72px}
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    box-shadow:var(--shadow);
    border-right:1px solid var(--line);
  }
  .sidebar.is-open{transform:translateX(0)}
  .topbar{display:flex}
  .brand{padding:0 18px;justify-content:flex-start;height:88px}
  .brand-text{display:block}
  .nav{padding:18px 12px;align-items:stretch}
  .nav-item{justify-content:flex-start;padding:0 16px;width:auto}
  .nav-item .nav-label{display:inline}
  .nav-item::after{display:none}
  .nav-item.is-active::before{left:0;top:10px;bottom:10px}
  .side-foot{padding:16px 14px 20px}
  .side-download{width:100%;min-height:46px;padding:8px 12px}
  .side-download .dl-text,.side-download .dl-ver{display:block}
  .side-ver,.side-meta{display:block}
  .hero{padding:18px 0 44px}
  .hero-actions .btn{width:100%}
  .trust-strip{grid-template-columns:1fr;gap:10px;margin-top:26px}
  .trust-strip li{flex-direction:row;justify-content:space-between;align-items:baseline;gap:12px}
  .trust-v{white-space:normal;text-align:right}
  .shot{flex:0 0 88vw}
  .news-item{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:18px 2px}
  .news-arrow{display:none}
  .download-panel{padding:26px 20px}
  .dl-actions .btn{width:100%}
  .faq-q{font-size:15px;padding:18px 2px}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer h4{margin-bottom:0}
  .f-col{border-bottom:1px solid var(--line-soft);padding:16px 0}
  .f-col h4{display:flex;justify-content:space-between;align-items:center;cursor:pointer}
  .f-col h4::after{content:"+";color:var(--t3);font-size:16px}
  .f-col.is-open h4::after{content:"−"}
  .f-col .f-link{display:none;margin-top:14px}
  .f-col.is-open .f-link{display:flex}
  .footer-bottom{justify-content:center;text-align:center;flex-direction:column}
}
@media (max-width:520px){
  .hero h1{font-size:26px;line-height:1.24}
  .hero-visual .visual-frame{aspect-ratio:16/11}
  .glass-card{position:static;width:100%;margin-top:14px}
  .qr-card{width:100%;max-width:200px}
  .section-head h2{font-size:21px}
}

/* roulang page: article */
:root{
  --bg-0:#070B13;
  --bg-1:#0C1320;
  --bg-2:#111A2A;
  --glass:rgba(255,255,255,.045);
  --line:rgba(150,205,255,.14);
  --line-soft:rgba(255,255,255,.07);
  --primary:#2FE3C8;
  --primary-deep:#12A08D;
  --link:#6FB6FF;
  --warn:#FFC46B;
  --danger:#FF7A6B;
  --t1:#E9EFF8;
  --t2:#9FAEC4;
  --t3:#6C7C92;
  --t4:#4A5768;
  --sidebar-w:248px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 18px 48px rgba(0,0,0,.42);
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.78;
  color:var(--t1);
  background:
    radial-gradient(900px 520px at 76% -12%, rgba(47,227,200,.08), transparent 70%),
    var(--bg-0);
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--link);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
svg{display:block}
:focus-visible{outline:2px solid rgba(111,182,255,.85);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:#06120F;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip:focus{left:0}

/* ============ 侧栏 App Shell ============ */
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--sidebar-w);
  background:linear-gradient(180deg,#0A111C 0%,#080D16 100%);
  border-right:1px solid var(--line-soft);
  display:flex;
  flex-direction:column;
  z-index:80;
  transition:transform .28s ease;
}
.side-logo{
  height:88px;
  display:flex;
  align-items:center;
  padding:0 18px;
  border-bottom:1px solid var(--line-soft);
  flex:0 0 auto;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--t1);min-width:0}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,rgba(47,227,200,.18),rgba(111,182,255,.10));
  border:1px solid rgba(47,227,200,.28);
  color:var(--primary);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--t3);letter-spacing:.06em;line-height:1.4}
.side-nav{padding:18px 12px;display:flex;flex-direction:column;gap:4px;flex:1 1 auto;overflow-y:auto}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 16px;border-radius:10px;
  color:var(--t2);font-size:14.5px;font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;background:var(--primary);
  transition:height .2s ease;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.nav-item.active{color:var(--primary);background:rgba(47,227,200,.08)}
.nav-item.active::before{height:20px}
.nav-ico{width:18px;height:18px;flex:0 0 18px;color:currentColor;opacity:.9}
.nav-ico svg{width:18px;height:18px}
.side-foot{padding:16px 14px 20px;border-top:1px solid var(--line-soft);flex:0 0 auto}
.dl-btn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  width:100%;padding:12px 14px;border-radius:12px;
  background:linear-gradient(135deg,#3BF0D4 0%,#17B7A1 100%);
  color:#06120F;font-weight:700;font-size:14px;letter-spacing:.02em;
  box-shadow:0 8px 28px rgba(47,227,200,.30),inset 0 1px 0 rgba(255,255,255,.45);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.dl-btn small{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.04em;opacity:.75}
.dl-btn:hover{transform:translateY(-1px);box-shadow:0 12px 34px rgba(47,227,200,.42);filter:brightness(1.06);color:#06120F}
.dl-btn:active{transform:none;background:linear-gradient(135deg,#2ED9C0 0%,#0F9C8A 100%)}
.side-meta{margin-top:12px;font-size:12px;color:var(--t4);line-height:1.9;letter-spacing:.02em}
.side-meta span{display:block}

/* ============ 移动端顶栏 ============ */
.topbar{display:none}
.overlay{
  position:fixed;inset:0;background:rgba(4,8,14,.62);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:70;
}
.overlay.show{opacity:1;visibility:visible}
body.no-scroll{overflow:hidden}

/* ============ 主内容 ============ */
.main{
  margin-left:var(--sidebar-w);
  padding:32px 0 0;
  min-height:60vh;
}
.container{max-width:1200px;margin:0 auto;padding:0 40px;width:100%}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t3);margin-bottom:26px;
}
.breadcrumb a{color:var(--t3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--t4)}
.breadcrumb .current{color:var(--t2);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-head{margin-bottom:32px;max-width:820px}
.article-head h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--t3);
}
.meta-row .dot{color:var(--t4)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(47,227,200,.10);
  border:1px solid rgba(47,227,200,.30);
  color:var(--primary);
}
.badge-warn{background:rgba(255,196,107,.10);border-color:rgba(255,196,107,.32);color:var(--warn)}
.badge-plain{background:rgba(111,182,255,.10);border-color:rgba(111,182,255,.28);color:var(--link)}

/* 布局 */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0;max-width:740px}

.hero-cover{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;
  border-radius:var(--radius);border:1px solid var(--line);
  box-shadow:var(--shadow);margin-bottom:36px;
  background:linear-gradient(135deg,#0F1A2B,#0A121D);
}
.hero-cover img{width:100%;height:100%;object-fit:cover}
.hero-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,19,.05) 0%,rgba(7,11,19,.55) 100%);
  pointer-events:none;
}

/* 正文排版 */
.article-body{font-size:16px;line-height:1.9;color:var(--t2)}
.article-body > * + *{margin-top:1.15em}
.article-body h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.25;font-weight:700;color:var(--t1);
  margin-top:2em;padding-left:20px;
  border-left:4px solid var(--primary);
  scroll-margin-top:88px;
}
.article-body h3{
  font-size:19px;font-weight:600;line-height:1.4;color:var(--t1);
  margin-top:1.8em;scroll-margin-top:88px;
}
.article-body h4{font-size:16.5px;font-weight:600;color:var(--t1);margin-top:1.6em}
.article-body p{color:var(--t2)}
.article-body strong{color:var(--t1);font-weight:600}
.article-body a{color:var(--link);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:rgba(111,182,255,.45)}
.article-body a:hover{color:var(--primary);text-decoration-color:rgba(47,227,200,.6)}
.article-body ul,.article-body ol{padding-left:1.35em;color:var(--t2)}
.article-body li{margin:8px 0;line-height:1.8}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  border-left:3px solid var(--primary);
  background:rgba(255,255,255,.05);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--t2);
}
.article-body blockquote p{margin:0}
.article-body code{
  font-family:var(--font-mono);font-size:.88em;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-soft);
  border-radius:6px;padding:2px 6px;color:#CFE6FF;
}
.article-body pre{
  background:#0A111C;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;overflow-x:auto;line-height:1.7;
}
.article-body pre code{background:none;border:none;padding:0;color:#BFD6EE;font-size:13.5px}
.article-body img{
  width:100%;height:auto;border-radius:var(--radius-sm);
  border:1px solid var(--line);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--t3);margin-top:10px;text-align:center}
.article-body hr{border:none;border-top:1px solid var(--line-soft);margin:2.2em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px}
.article-body th,.article-body td{
  padding:10px 14px;border-bottom:1px solid var(--line-soft);text-align:left;color:var(--t2);
}
.article-body th{color:var(--t1);font-weight:600;background:rgba(255,255,255,.03)}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line-soft)}
.tag-row .tag-label{font-size:13px;color:var(--t3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--t2);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.tag:hover{color:var(--primary);border-color:rgba(47,227,200,.4);background:rgba(47,227,200,.08)}

/* 上/下卡 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}
.pager-card{
  display:block;padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.pager-card:hover{border-color:rgba(47,227,200,.38);transform:translateY(-2px);background:rgba(47,227,200,.06)}
.pager-card .pg-k{font-size:12px;color:var(--t3);letter-spacing:.06em;display:block;margin-bottom:6px}
.pager-card .pg-t{font-size:15.5px;font-weight:600;color:var(--t1);line-height:1.5}
.pager-card:hover .pg-t{color:var(--primary)}
.pager-card.next{text-align:right}

/* 相关推荐 */
.relate{margin-top:56px}
.sec-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-title h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--t1)}
.sec-title .more{font-size:13.5px;color:var(--t3)}
.sec-title .more:hover{color:var(--primary)}
.relate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.relate-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius);overflow:hidden;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.relate-card:hover{border-color:rgba(47,227,200,.38);transform:translateY(-3px);box-shadow:var(--shadow)}
.relate-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#0F1A2B,#0A121D)}
.relate-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.relate-card:hover .relate-thumb img{transform:scale(1.04)}
.relate-body{padding:16px 18px 20px}
.relate-body h3{font-size:15.5px;font-weight:600;color:var(--t1);line-height:1.5;margin-bottom:8px}
.relate-card:hover .relate-body h3{color:var(--primary)}
.relate-body .rmeta{font-size:12.5px;color:var(--t3)}

/* 右侧栏 */
.article-rail{position:sticky;top:32px;align-self:start;display:flex;flex-direction:column;gap:20px}
.rail-card{
  border-radius:var(--radius);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  padding:20px;
}
.rail-card h3{font-size:14px;font-weight:600;color:var(--t1);letter-spacing:.04em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.rail-card h3::before{content:"";width:3px;height:13px;border-radius:2px;background:var(--primary)}
.toc{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}
.toc li a{
  display:block;padding:7px 12px;border-left:2px solid transparent;
  font-size:13.5px;color:var(--t2);line-height:1.5;border-radius:0 8px 8px 0;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.toc li a:hover{color:var(--t1);background:rgba(255,255,255,.05)}
.toc li a.on{color:var(--primary);border-left-color:var(--primary);background:rgba(47,227,200,.08)}
.toc-empty{font-size:13px;color:var(--t3);line-height:1.7}

.dl-card{
  border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(47,227,200,.12),rgba(255,255,255,.04));
  border:1px solid rgba(47,227,200,.26);
  padding:20px;
  box-shadow:0 18px 48px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.08);
}
.dl-card .dc-title{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:6px}
.dl-card .dc-desc{font-size:12.5px;color:var(--t2);line-height:1.7;margin-bottom:14px}
.dl-card .dc-spec{
  font-family:var(--font-mono);font-size:11.5px;color:var(--t3);
  display:flex;justify-content:space-between;gap:8px;
  padding:5px 0;border-bottom:1px dashed rgba(255,255,255,.10);
}
.dl-card .dc-spec:last-of-type{border-bottom:none;margin-bottom:14px}
.dl-card .dc-spec b{color:var(--t2);font-weight:600}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;
  font-size:14.5px;font-weight:700;letter-spacing:.02em;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,border-color .18s ease,background .18s ease,color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#3BF0D4 0%,#17B7A1 100%);
  color:#06120F;
  box-shadow:0 8px 28px rgba(47,227,200,.30),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 34px rgba(47,227,200,.42);filter:brightness(1.06);color:#06120F}
.btn-primary:active{transform:none;background:linear-gradient(135deg,#2ED9C0 0%,#0F9C8A 100%);box-shadow:0 4px 14px rgba(47,227,200,.25)}
.btn-primary:focus-visible{outline:2px solid rgba(47,227,200,.55);outline-offset:3px}
.btn-ghost{
  background:transparent;border:1px solid rgba(160,210,255,.28);color:#CFE6FF;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:none;background:rgba(47,227,200,.08)}
.btn-block{width:100%}

.rail-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column}
.rail-list li + li{border-top:1px solid var(--line-soft)}
.rail-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;font-size:13.5px;color:var(--t2);line-height:1.55;
  transition:color .18s ease;
}
.rail-list a:hover{color:var(--primary)}
.rail-list .idx{
  font-family:var(--font-mono);font-size:11.5px;color:var(--t4);
  flex:0 0 auto;margin-top:2px;
}

/* 异常态 / 空态 */
.empty-box{
  border:1px dashed rgba(160,210,255,.30);
  border-radius:var(--radius);
  padding:56px 28px;text-align:center;
  background:rgba(255,255,255,.02);
  max-width:640px;margin:8px auto 0;
}
.empty-box .eb-ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  display:grid;place-items:center;color:var(--t3);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.empty-box .eb-ico svg{width:26px;height:26px}
.empty-box h2{font-size:21px;color:var(--t1);margin-bottom:10px;font-weight:700}
.empty-box p{font-size:14.5px;color:var(--t3);margin-bottom:22px;line-height:1.8}

/* 底部 CTA */
.cta-band{
  margin:64px 0 0;
  border-radius:var(--radius);
  background:
    linear-gradient(120deg,rgba(47,227,200,.14),rgba(111,182,255,.08) 60%,rgba(255,255,255,.03)),
    var(--bg-1);
  border:1px solid var(--line);
  padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);color:var(--t1);margin-bottom:8px}
.cta-band p{font-size:14px;color:var(--t2);line-height:1.7}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{
  margin-top:80px;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(12,19,32,.4),rgba(7,11,19,.9));
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:700;color:var(--t1);margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px}
.footer-brand .brand-mark svg{width:18px;height:18px}
.f-desc{font-size:13.5px;color:var(--t3);line-height:1.85;max-width:340px}
.f-col h4{font-size:13px;font-weight:600;color:var(--t1);letter-spacing:.08em;margin-bottom:16px}
.f-link{display:flex;flex-direction:column;gap:10px}
.f-link a,.f-link span{font-size:13.5px;color:var(--t3);line-height:1.6;transition:color .18s ease}
.f-link a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12.5px;color:var(--t4);
  flex-wrap:wrap;
}
.fb-right{display:flex;gap:18px;flex-wrap:wrap}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:40px}
  .container{padding:0 32px}
}
@media (max-width:1199px){
  :root{--sidebar-w:76px}
  .side-logo{padding:0;justify-content:center;height:76px}
  .brand-text{display:none}
  .side-nav{padding:16px 10px}
  .nav-item{justify-content:center;padding:0;height:48px}
  .nav-item::before{left:-10px}
  .nav-label{display:none}
  .side-foot{padding:14px 10px 18px}
  .dl-btn{padding:12px 0;border-radius:12px}
  .dl-btn small{display:none}
  .dl-btn .dl-text{display:none}
  .side-meta{display:none}
  .container{padding:0 28px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-main{max-width:none}
  .article-rail{position:static;margin-top:44px;flex-direction:row;flex-wrap:wrap}
  .rail-card{flex:1 1 260px}
  .relate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .relate-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    box-shadow:0 0 60px rgba(0,0,0,.6);
  }
  .sidebar.open{transform:translateX(0)}
  .side-logo{padding:0 18px;justify-content:flex-start;height:88px}
  .brand-text{display:block}
  .side-nav{padding:18px 12px}
  .nav-item{justify-content:flex-start;padding:0 16px;height:44px}
  .nav-item::before{left:0}
  .nav-label{display:inline}
  .side-foot{padding:16px 14px 20px}
  .dl-btn{padding:12px 14px}
  .dl-btn small{display:block}
  .side-meta{display:block}

  .topbar{
    display:flex;
    position:fixed;top:0;left:0;right:0;height:56px;
    align-items:center;justify-content:space-between;
    padding:0 16px;
    background:rgba(10,17,28,.92);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line-soft);
    z-index:90;
  }
  .topbar .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px}
  .topbar .brand-mark svg{width:17px;height:17px}
  .topbar .brand-text{font-size:14.5px}
  .topbar .brand-sub{font-size:10px}
  .hamburger{
    width:40px;height:40px;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:5px;border-radius:10px;
    border:1px solid var(--line-soft);background:rgba(255,255,255,.04);
    transition:background .18s ease,border-color .18s ease;
  }
  .hamburger span{display:block;width:17px;height:1.8px;border-radius:2px;background:var(--t1);transition:transform .22s ease,opacity .22s ease}
  .hamburger:hover{background:rgba(255,255,255,.08);border-color:var(--line)}
  .hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.8px) rotate(45deg)}
  .hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
  .hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg)}

  .main{margin-left:0;padding-top:88px}
  .container{padding:0 18px}
  .article-head h1{font-size:clamp(25px,7vw,32px)}
  .breadcrumb .current{max-width:60vw}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{padding-left:14px;border-left-width:3px}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .article-rail{flex-direction:column;margin-top:36px}
  .rail-card{flex:1 1 auto;padding:18px}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start;gap:20px;margin-top:48px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer{margin-top:56px;padding-top:40px}
  .footer-grid{grid-template-columns:1fr;gap:8px;padding-bottom:12px}
  .f-col{padding:16px 0;border-bottom:1px solid var(--line-soft)}
  .f-col:first-child{border-bottom:1px solid var(--line-soft);padding-top:0}
  .f-col:last-child{border-bottom:none}
  .f-link{flex-direction:column}
  .footer-bottom{justify-content:center;text-align:center;flex-direction:column;gap:10px}
  .fb-right{justify-content:center}
}
@media (max-width:520px){
  .meta-row{font-size:12.5px;gap:8px}
  .hero-cover{margin-bottom:26px}
  .tag-row{margin-top:34px}
  .empty-box{padding:40px 20px}
  .rail-card h3{font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --bg-0:#070B13;
  --bg-1:#0C1320;
  --bg-2:#111A2A;
  --glass:rgba(255,255,255,.045);
  --line:rgba(150,205,255,.14);
  --line-soft:rgba(255,255,255,.07);
  --primary:#2FE3C8;
  --primary-deep:#12A08D;
  --link:#6FB6FF;
  --warn:#FFC46B;
  --danger:#FF7A6B;
  --t1:#E9EFF8;
  --t2:#9FAEC4;
  --t3:#6C7C92;
  --t4:#4A5768;
  --r-card:16px;
  --r-inner:12px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.42);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--t1);
  background-color:var(--bg-0);
  background-image:radial-gradient(900px 520px at 74% -8%,rgba(47,227,200,.08),transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--link);text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ============ 侧边导航 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  display:flex;flex-direction:column;
  padding:0 14px 18px;
  background:linear-gradient(180deg,rgba(18,28,44,.94),rgba(8,13,21,.97));
  border-right:1px solid var(--line-soft);
  z-index:80;
  transition:width .22s ease,transform .26s ease;
}
.sidebar-brand{height:88px;display:flex;align-items:center;padding:0 4px}
.brand{display:flex;align-items:center;gap:10px;color:var(--t1);font-weight:700}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:36px;height:36px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(47,227,200,.2),rgba(47,227,200,.04));
  border:1px solid rgba(47,227,200,.32);
  color:var(--primary);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 0 18px rgba(47,227,200,.16);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16px;line-height:1.15;letter-spacing:.01em}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--t3);letter-spacing:.08em;margin-top:2px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:11px;
  height:44px;padding:0 16px;border-radius:10px;
  color:var(--t2);font-size:14.5px;font-weight:500;
  transition:background .16s ease,color .16s ease;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.nav-item.is-active{color:var(--primary);background:rgba(47,227,200,.08)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(47,227,200,.65);
}
.nav-ico{display:grid;place-items:center;width:18px;height:18px;flex:0 0 auto}
.nav-ico svg{width:18px;height:18px}
.side-dl{
  margin-top:auto;padding:14px;border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(10px);
}
.side-dl-note{margin:10px 0 0;font-size:11.5px;line-height:1.6;color:var(--t3);text-align:center;font-family:var(--mono)}
.side-foot{
  display:flex;flex-direction:column;gap:4px;
  margin-top:14px;padding-top:12px;
  border-top:1px solid var(--line-soft);
  font-size:12px;color:var(--t4);line-height:1.6;
}

/* ============ 顶部栏（移动端） ============ */
.topbar{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease,color .16s ease;
}
.btn-primary{
  color:#06120F;
  background:linear-gradient(135deg,#3BF0D4,#17B7A1);
  box-shadow:0 8px 28px rgba(47,227,200,.3),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 34px rgba(47,227,200,.42),inset 0 1px 0 rgba(255,255,255,.4);filter:brightness(1.06);color:#06120F}
.btn-primary:active{transform:none;background:linear-gradient(135deg,#2FD9BF,#0F9C8A);box-shadow:0 4px 14px rgba(47,227,200,.24)}
.btn-ghost{color:#CFE6FF;background:transparent;border-color:rgba(160,210,255,.28)}
.btn-ghost:hover{color:#fff;border-color:var(--primary);background:rgba(47,227,200,.08)}
.btn-ghost:active{transform:none;background:rgba(47,227,200,.14)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 15px;font-size:13.5px;border-radius:10px}
.btn svg{width:16px;height:16px;flex:0 0 auto}

/* ============ 布局 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.page-wrap{padding-top:32px}
.section{padding:56px 0;border-top:1px solid var(--line-soft)}
.section:first-of-type{border-top:0}
.section-head{margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.005em}
.section-desc{margin-top:10px;max-width:680px;color:var(--t2);font-size:15px;line-height:1.85}

/* ============ Hero 横幅 ============ */
.hero-banner{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  min-height:260px;padding:26px 32px 30px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(7,11,19,.66),rgba(7,11,19,.9)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.hero-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;opacity:.42;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
}
.hero-banner>*{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--t3);margin-bottom:16px}
.crumbs a{color:var(--t3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--t4)}
.crumbs .cur{color:var(--t2)}
.hero-banner h1{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:700;line-height:1.18;letter-spacing:-.01em;
  max-width:820px;
}
.hero-desc{margin-top:12px;max-width:680px;color:var(--t2);font-size:15px;line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

/* ============ 徽章 / 规格 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;white-space:nowrap;
}
.badge-ok{color:var(--primary);background:rgba(47,227,200,.12);border-color:rgba(47,227,200,.35)}
.badge-warn{color:var(--warn);background:rgba(255,196,107,.12);border-color:rgba(255,196,107,.34)}
.badge-muted{color:var(--t3);background:rgba(255,255,255,.05);border-color:var(--line-soft)}
.spec{
  display:inline-flex;align-items:center;
  font-family:var(--mono);font-size:12.5px;color:var(--t2);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-soft);
  border-radius:8px;padding:3px 9px;white-space:nowrap;
}

/* ============ 下载列表：左锚点 + 右分组条目 ============ */
.dl-layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:40px;align-items:start}
.anchor-nav{
  position:sticky;top:32px;
  padding:18px;border-radius:var(--r-card);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
}
.anchor-title{
  font-size:12px;letter-spacing:.14em;color:var(--t3);
  margin-bottom:10px;text-transform:uppercase;font-weight:600;
}
.anchor-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--t2);
  transition:background .16s ease,color .16s ease;
}
.anchor-link:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.anchor-link.is-active{color:var(--primary);background:rgba(47,227,200,.08)}
.anchor-link .dot{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.55}
.anchor-note{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:12.5px;line-height:1.7;color:var(--t3);
}
.dl-group{margin-bottom:44px;scroll-margin-top:32px}
.dl-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line-soft);flex-wrap:wrap}
.group-head h2{font-size:clamp(19px,2.2vw,25px);font-weight:700}
.dl-item{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line-soft);
}
.dl-item:last-child{border-bottom:0}
.dl-info h3{font-size:17px;font-weight:600;margin-bottom:6px}
.dl-info p{font-size:14px;line-height:1.7;color:var(--t2);max-width:520px}
.dl-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.dl-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}

/* ============ 校验规格 ============ */
.spec-list{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;margin-top:22px}
.spec-row{display:flex;align-items:baseline;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.09)}
.spec-row dt{color:var(--t2);font-size:14px;white-space:nowrap}
.spec-row dd{margin:0 0 0 auto;font-family:var(--mono);font-size:13.5px;color:var(--t1);text-align:right}
.notice{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:24px;padding:16px 18px;
  border-radius:var(--r-inner);
  background:rgba(255,196,107,.07);
  border:1px solid rgba(255,196,107,.28);
}
.notice svg{width:18px;height:18px;flex:0 0 auto;color:var(--warn);margin-top:3px}
.notice p{font-size:14px;line-height:1.75;color:#E5D6BE}

/* ============ 步骤流 ============ */
.step-list{margin-top:8px;border-top:1px solid var(--line-soft)}
.step-row{display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;padding:22px 0;border-bottom:1px solid var(--line-soft)}
.step-idx{font-family:var(--mono);font-size:20px;line-height:1.2;color:var(--primary);opacity:.9}
.step-row h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
.step-row p{font-size:14px;line-height:1.75;color:var(--t2);max-width:620px}

/* ============ FAQ ============ */
.faq{max-width:880px;margin-top:8px;border-top:1px solid var(--line-soft)}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 2px;font-size:16px;font-weight:600;color:var(--t1);
  transition:color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{
  content:"+";font-family:var(--mono);font-size:19px;font-weight:400;
  color:var(--primary);line-height:1;flex:0 0 auto;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-a{padding:0 2px 20px;max-width:760px;font-size:15px;line-height:1.85;color:var(--t2)}

/* ============ CTA ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-top:56px;padding:32px;
  border-radius:var(--r-card);
  background:linear-gradient(120deg,rgba(47,227,200,.14),rgba(17,26,42,.92) 58%);
  border:1px solid rgba(47,227,200,.28);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-band h2{font-size:clamp(20px,2.3vw,26px);font-weight:700}
.cta-band p{margin-top:8px;font-size:14.5px;color:var(--t2);max-width:520px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{
  margin-left:var(--sidebar-w);
  margin-top:80px;
  padding:56px 0 0;
  border-top:1px solid var(--line-soft);
  background:rgba(9,14,23,.72);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:32px}
.f-col h4{font-size:12.5px;letter-spacing:.12em;color:var(--t3);font-weight:600;margin-bottom:14px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;margin-bottom:12px;color:var(--t1)}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:12px}
.footer-brand .brand-mark svg{width:18px;height:18px}
.f-desc{font-size:13.5px;line-height:1.8;color:var(--t3);margin:0}
.f-link{display:grid;gap:10px;font-size:13.5px;color:var(--t3)}
.f-link a{color:var(--t2);display:inline-block}
.f-link a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding:18px 0 26px;
  border-top:1px solid var(--line-soft);
  font-size:12.5px;color:var(--t4);
}
.fb-right{display:flex;gap:20px;flex-wrap:wrap}

/* ============ 遮罩 ============ */
.scrim{display:none}

/* ============ 响应式：平板侧栏折叠 ============ */
@media (max-width:1199px){
  .main,.footer{margin-left:76px}
  .container{padding:0 28px}
  .sidebar{width:76px;padding:0 10px 16px}
  .sidebar-brand{height:76px;justify-content:center;padding:0}
  .brand-text{display:none}
  .side-nav{margin-top:6px;gap:6px}
  .nav-item{justify-content:center;padding:0;height:46px}
  .nav-label{display:none}
  .nav-item.is-active::before{left:-10px;top:13px;bottom:13px}
  .side-dl{padding:8px;border-radius:14px}
  .side-dl .btn-text{display:none}
  .side-dl .btn{height:40px;padding:0}
  .side-dl-note{display:none}
  .side-foot{display:none}
  .dl-layout{grid-template-columns:1fr;gap:26px}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:14px}
  .anchor-title{width:100%;margin-bottom:4px}
  .anchor-link{padding:7px 12px;font-size:13.5px;border:1px solid var(--line-soft)}
  .anchor-note{display:none}
  .spec-list{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (min-width:768px) and (max-width:1199px){
  .nav-item::after{
    content:attr(data-tip);
    position:absolute;left:calc(100% + 14px);top:50%;
    transform:translateY(-50%) translateX(-6px);
    padding:6px 10px;border-radius:8px;
    background:var(--bg-2);border:1px solid var(--line);
    color:var(--t1);font-size:12.5px;font-weight:500;white-space:nowrap;
    opacity:0;pointer-events:none;z-index:90;
    transition:opacity .16s ease,transform .16s ease;
  }
  .nav-item:hover::after{opacity:1;transform:translateY(-50%) translateX(0)}
}

/* ============ 响应式：移动抽屉 ============ */
@media (max-width:767px){
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:56px;
    padding:0 16px;
    background:rgba(8,12,20,.94);
    border-bottom:1px solid var(--line-soft);
    backdrop-filter:blur(12px);
    z-index:70;
  }
  .topbar .brand-text{display:block;font-size:15px}
  .topbar .brand-sub{font-size:10px;letter-spacing:.06em}
  .topbar .brand-mark{width:32px;height:32px;border-radius:12px}
  .topbar .brand-mark svg{width:17px;height:17px}
  .hamburger{
    width:40px;height:40px;display:grid;place-content:center;gap:4px;
    border-radius:10px;border:1px solid var(--line-soft);
    background:rgba(255,255,255,.04);
  }
  .hamburger span{display:block;width:17px;height:1.6px;border-radius:2px;background:var(--t1);transition:transform .2s ease,opacity .2s ease}
  .hamburger:hover{background:rgba(255,255,255,.08)}
  .sidebar{
    width:280px;padding:0 16px 20px;
    transform:translateX(-100%);
    box-shadow:0 0 60px rgba(0,0,0,.65);
    z-index:85;
  }
  .sidebar.is-open{transform:translateX(0)}
  .sidebar-brand{height:64px;justify-content:flex-start;padding:0 2px}
  .sidebar .brand-text{display:block}
  .side-nav{margin-top:2px;gap:4px}
  .nav-item{justify-content:flex-start;padding:0 14px;height:46px}
  .nav-label{display:block}
  .nav-item.is-active::before{left:0;top:12px;bottom:12px}
  .side-dl{padding:14px}
  .side-dl .btn-text{display:inline}
  .side-dl .btn{height:44px;padding:0 20px}
  .side-dl-note{display:block}
  .side-foot{display:flex}
  .scrim{
    position:fixed;inset:0;
    background:rgba(4,8,14,.62);
    backdrop-filter:blur(4px);
    z-index:78;
  }
  .scrim.is-open{display:block}
  .main,.footer{margin-left:0}
  .main{padding-top:56px}
  .container{padding:0 18px}
  .page-wrap{padding-top:20px}
  .hero-banner{min-height:230px;padding:22px 18px 24px;border-radius:14px}
  .section{padding:44px 0}
  .dl-item{grid-template-columns:1fr;gap:14px;padding:20px 0}
  .dl-side{align-items:flex-start}
  .dl-tags{justify-content:flex-start}
  .step-row{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px 0}
  .step-idx{font-size:17px}
  .cta-band{padding:24px 20px;margin-top:44px}
  .btn-row{width:100%}
  .btn-row .btn{width:100%}
  .footer{padding-top:44px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;text-align:left}
  .fb-right{gap:8px;flex-direction:column}
  .spec-row dd{font-size:12.5px}
  .anchor-link{font-size:13px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .hero-banner h1{font-size:26px;line-height:1.24}
  .hero-desc{font-size:14px}
  .dl-info h3{font-size:16px}
  .spec-row{flex-wrap:wrap;gap:4px}
  .spec-row dd{margin-left:0;text-align:left}
  .faq-item summary{font-size:15px;padding:16px 0}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B13;
  --bg-1:#0C1320;
  --bg-2:#111A2A;
  --glass:rgba(255,255,255,.045);
  --line:rgba(150,205,255,.14);
  --line-soft:rgba(255,255,255,.07);
  --primary:#2FE3C8;
  --primary-deep:#12A08D;
  --link:#6FB6FF;
  --warn:#FFC46B;
  --danger:#FF7A6B;
  --t1:#E9EFF8;
  --t2:#9FAEC4;
  --t3:#6C7C92;
  --t4:#4A5768;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:12px;
  --shadow:0 18px 48px rgba(0,0,0,.42);
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(120,180,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,180,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.95),rgba(0,0,0,0) 62%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.95),rgba(0,0,0,0) 62%);
}
body::after{
  content:"";
  position:fixed;
  top:-360px;
  left:18%;
  width:900px;
  height:900px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,200,.08),transparent 62%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--link);text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
button{font-family:inherit;}
a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:2px solid rgba(47,227,200,.55);
  outline-offset:2px;
  border-radius:8px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
}
.no-scroll{overflow:hidden;}

/* ============ 顶部移动栏 ============ */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(9,14,24,.92);
  border-bottom:1px solid var(--line-soft);
  backdrop-filter:blur(10px);
  z-index:70;
}
.topbar .brand{gap:8px;}
.topbar .brand-mark{width:30px;height:30px;border-radius:10px;}
.topbar .brand-mark svg{width:17px;height:17px;}
.topbar .brand-text{font-size:14.5px;}
.topbar .brand-sub{font-size:10.5px;margin-top:0;}
.hamburger{
  width:40px;height:40px;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:4px;
  background:transparent;
  border:1px solid var(--line-soft);
  border-radius:10px;
  cursor:pointer;
  transition:.2s;
}
.hamburger span{display:block;width:16px;height:1.6px;background:var(--t1);border-radius:2px;transition:.2s;}
.hamburger:hover{border-color:rgba(47,227,200,.45);}
.hamburger:hover span{background:var(--primary);}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:248px;
  display:flex;
  flex-direction:column;
  background:linear-gradient(180deg,#0A1120 0%,#080D17 100%);
  border-right:1px solid var(--line-soft);
  z-index:60;
  transition:transform .28s ease,width .2s ease;
}
.sidebar-brand{
  height:88px;
  display:flex;
  align-items:center;
  padding:0 20px;
  border-bottom:1px solid var(--line-soft);
  flex:none;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--t1);text-decoration:none;}
.brand-mark{
  width:36px;height:36px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(47,227,200,.1);
  border:1px solid rgba(47,227,200,.28);
  color:var(--primary);
  flex:none;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:16px;font-weight:700;line-height:1.2;letter-spacing:.01em;display:block;}
.brand-sub{display:block;font-size:11.5px;font-weight:500;color:var(--t3);letter-spacing:.04em;margin-top:3px;}
.sidebar-nav{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:20px 12px;
  overflow-y:auto;
}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 16px;
  border-radius:10px;
  color:var(--t2);
  font-size:14.5px;
  text-decoration:none;
  transition:background .2s,color .2s;
  white-space:nowrap;
}
.nav-link svg{width:18px;height:18px;flex:none;opacity:.85;}
.nav-link:hover{background:rgba(255,255,255,.06);color:var(--t1);}
.nav-link.active{color:var(--primary);background:rgba(47,227,200,.08);}
.nav-link.active svg{opacity:1;}
.nav-link.active::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(47,227,200,.7);
}
.sidebar-foot{
  padding:16px 12px 20px;
  border-top:1px solid var(--line-soft);
  flex:none;
}
.dl-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:14px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.dl-title{font-size:13.5px;font-weight:600;color:var(--t1);}
.dl-ver{font-family:var(--mono);font-size:11.5px;color:var(--t3);letter-spacing:.02em;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:13px 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s,filter .2s;
  line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,#3BF0D4,#17B7A1);
  color:#06120F;
  box-shadow:0 8px 28px rgba(47,227,200,.30),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 34px rgba(47,227,200,.42);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#2FD6BC,#129282);}
.btn-ghost{
  background:transparent;
  border-color:rgba(160,210,255,.28);
  color:#CFE6FF;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);background:rgba(47,227,200,.06);}
.btn-sm{padding:10px 14px;font-size:13.5px;border-radius:10px;}
.dl-btn{margin-top:4px;}
.dl-ico{width:15px;height:15px;display:none;}
.side-meta{
  font-size:11.5px;
  line-height:1.7;
  color:var(--t4);
  letter-spacing:.02em;
  margin-top:12px;
}
.drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(4,8,14,.62);
  backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:55;
}
.drawer-overlay.show{opacity:1;visibility:visible;}

/* ============ 主内容骨架 ============ */
.shell{margin-left:248px;position:relative;z-index:1;}

/* ============ 分类页横幅 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 48px;
  border-bottom:1px solid var(--line-soft);
  background-image:
    linear-gradient(100deg,rgba(5,9,16,.93) 0%,rgba(5,9,16,.76) 52%,rgba(5,9,16,.5) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,200,.55),transparent);
}
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--t3);
}
.crumbs a{color:var(--t3);transition:color .2s;}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--t4);}
.crumbs .current{color:var(--t2);}
.page-hero h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.18;
  letter-spacing:-.01em;
  font-weight:700;
  margin:16px 0 12px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-lead{
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  max-width:680px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  font-size:12px;
  border-radius:999px;
  background:rgba(47,227,200,.1);
  border:1px solid rgba(47,227,200,.3);
  color:var(--primary);
  letter-spacing:.02em;
  line-height:1.6;
}
.badge-warn{background:rgba(255,196,107,.1);border-color:rgba(255,196,107,.32);color:var(--warn);}
.badge-plain{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:var(--t2);}
.badge-mono{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;}

/* ============ 区块通用 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:linear-gradient(180deg,rgba(12,19,32,.55),rgba(7,11,19,0));}
.sec-head{max-width:720px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:12px;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.005em;
}
.sec-desc{margin-top:14px;color:var(--t2);font-size:15.5px;line-height:1.8;}

/* ============ 步骤流 ============ */
.steps{
  list-style:none;
  margin:0;
  padding:0;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  left:31px;
  top:24px;
  bottom:24px;
  width:1px;
  background:linear-gradient(180deg,rgba(47,227,200,.5),rgba(47,227,200,.12) 70%,rgba(47,227,200,0));
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:26px;
  padding-bottom:32px;
}
.step:last-child{padding-bottom:0;}
.step-num{
  width:64px;height:64px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  font-size:20px;
  font-weight:600;
  color:var(--primary);
  background:rgba(47,227,200,.08);
  border:1px solid rgba(47,227,200,.3);
  box-shadow:0 0 0 8px var(--bg-0);
  position:relative;
  z-index:1;
}
.step-body{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  padding:24px;
  transition:border-color .24s,transform .24s,box-shadow .24s;
}
.step-body:hover{
  border-color:rgba(47,227,200,.34);
  box-shadow:var(--shadow);
}
.step-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:26px;
  align-items:start;
}
.step-body h3{font-size:19px;font-weight:600;line-height:1.4;}
.step-body > p,
.step-inner > div > p{margin-top:10px;color:var(--t2);font-size:14.8px;line-height:1.8;}
.step-points{
  list-style:none;
  margin:16px 0 0;
  padding:0;
  display:grid;
  gap:8px;
}
.step-points li{
  position:relative;
  padding-left:18px;
  font-size:14.2px;
  line-height:1.7;
  color:var(--t2);
}
.step-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--primary);
  opacity:.8;
}
.step-figure{
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);
  box-shadow:inset 0 0 24px rgba(47,227,200,.06);
}
.step-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.step-figure figcaption{
  font-size:12.5px;
  color:var(--t3);
  padding:8px 12px;
  border-top:1px solid var(--line-soft);
  line-height:1.6;
}

/* ============ 平台入口卡 ============ */
.plat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.plat-card{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  padding:24px;
  transition:transform .24s,border-color .24s,box-shadow .24s;
}
.plat-card:hover{
  transform:translateY(-3px);
  border-color:rgba(47,227,200,.34);
  box-shadow:var(--shadow);
}
.plat-card .plat-ico{
  width:42px;height:42px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(111,182,255,.1);
  border:1px solid rgba(111,182,255,.26);
  color:var(--link);
  margin-bottom:16px;
}
.plat-card .plat-ico svg{width:20px;height:20px;}
.plat-card h3{font-size:17px;font-weight:600;}
.plat-card p{margin-top:10px;font-size:14.2px;color:var(--t2);line-height:1.78;}
.plat-card .plat-meta{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.1);
  font-family:var(--mono);
  font-size:12px;
  color:var(--t3);
  letter-spacing:.02em;
}

/* ============ 准备清单 ============ */
.prep{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.checklist li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:16px 18px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  border-radius:var(--r-sm);
  transition:border-color .24s,background .24s;
}
.checklist li:hover{border-color:rgba(47,227,200,.32);background:rgba(47,227,200,.05);}
.check-ico{
  width:22px;height:22px;
  flex:none;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(47,227,200,.14);
  border:1px solid rgba(47,227,200,.36);
  color:var(--primary);
  margin-top:2px;
}
.check-ico svg{width:12px;height:12px;}
.checklist strong{display:block;font-size:15px;font-weight:600;color:var(--t1);}
.checklist span.tip{display:block;font-size:13.5px;color:var(--t3);line-height:1.7;margin-top:3px;}
.prep-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow);
}
.prep-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.prep-figure figcaption{
  font-size:12.5px;
  color:var(--t3);
  padding:10px 14px;
  border-top:1px solid var(--line-soft);
  background:rgba(255,255,255,.02);
}

/* ============ FAQ ============ */
.faq-list{
  border-top:1px solid var(--line-soft);
}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--t1);
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-sign{
  width:24px;height:24px;
  flex:none;
  position:relative;
  border-radius:50%;
  border:1px solid rgba(150,205,255,.24);
  transition:border-color .2s,background .2s;
}
.faq-sign::before,
.faq-sign::after{
  content:"";
  position:absolute;
  background:var(--t2);
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  transition:background .2s,transform .2s,opacity .2s;
}
.faq-sign::before{width:10px;height:1.4px;}
.faq-sign::after{width:1.4px;height:10px;}
.faq-item[open] .faq-sign{border-color:rgba(47,227,200,.55);background:rgba(47,227,200,.1);}
.faq-item[open] .faq-sign::before,
.faq-item[open] .faq-sign::after{background:var(--primary);}
.faq-item[open] .faq-sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-item summary:hover .faq-sign{border-color:rgba(47,227,200,.5);}
.faq-answer{
  padding:0 4px 22px;
  color:var(--t2);
  font-size:15px;
  line-height:1.85;
  max-width:820px;
}
.faq-answer p + p{margin-top:10px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  padding:44px 48px;
  background:linear-gradient(140deg,rgba(17,26,42,.96),rgba(12,19,32,.96));
  border:1px solid rgba(150,205,255,.16);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,200,.8),transparent);
}
.cta-band h2{font-size:clamp(20px,2.3vw,26px);line-height:1.35;font-weight:700;}
.cta-band p{margin-top:10px;color:var(--t2);font-size:14.5px;max-width:520px;}
.cta-actions{display:flex;flex-direction:column;gap:10px;min-width:220px;}
.cta-note{
  font-family:var(--mono);
  font-size:12px;
  color:var(--t3);
  letter-spacing:.02em;
  text-align:center;
}

/* ============ 页脚 ============ */
.footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(10,17,32,.65),rgba(7,11,19,1));
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.25fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15.5px;
  font-weight:700;
  color:var(--t1);
}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;}
.footer-brand .brand-mark svg{width:17px;height:17px;}
.f-desc{
  margin-top:14px;
  font-size:13.5px;
  line-height:1.85;
  color:var(--t3);
  max-width:320px;
}
.f-col h4{
  font-size:13.5px;
  font-weight:600;
  color:var(--t1);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.f-link{display:flex;flex-direction:column;gap:10px;}
.f-link a,
.f-link span{
  font-size:13.5px;
  color:var(--t3);
  line-height:1.7;
  transition:color .2s;
  word-break:break-word;
}
.f-link a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--t4);
  letter-spacing:.02em;
}
.fb-right{display:flex;gap:18px;flex-wrap:wrap;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .sidebar{width:76px;}
  .sidebar-brand{padding:0;justify-content:center;}
  .brand-text{display:none;}
  .sidebar-nav{padding:20px 10px;align-items:center;}
  .nav-link{justify-content:center;padding:0;width:44px;height:44px;}
  .nav-link .label{display:none;}
  .nav-link.active::before{top:12px;bottom:12px;}
  .sidebar-foot{padding:14px 10px 18px;}
  .dl-card{padding:8px;align-items:center;}
  .dl-title,.dl-ver{display:none;}
  .dl-btn{padding:10px;width:100%;}
  .dl-btn-text{display:none;}
  .dl-ico{display:block;width:16px;height:16px;}
  .side-meta{display:none;}
  .shell{margin-left:76px;}
  .section{padding:72px 0;}
  .step-inner{grid-template-columns:minmax(0,1fr) 260px;gap:22px;}
}
@media (max-width:1023px){
  .prep{grid-template-columns:1fr;gap:32px;}
  .plat-grid{grid-template-columns:1fr;gap:18px;}
  .step-inner{grid-template-columns:1fr;}
  .step-figure{max-width:520px;}
  .cta-band{padding:34px 28px;}
}
@media (max-width:767px){
  .topbar{display:flex;}
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    box-shadow:24px 0 60px rgba(0,0,0,.6);
  }
  .sidebar.open{transform:translateX(0);}
  .sidebar-brand{padding:0 20px;justify-content:flex-start;height:72px;}
  .brand-text{display:block;}
  .sidebar-nav{padding:18px 14px;align-items:stretch;}
  .nav-link{justify-content:flex-start;padding:0 16px;width:auto;}
  .nav-link .label{display:inline;}
  .sidebar-foot{padding:16px 14px 22px;}
  .dl-card{padding:14px;}
  .dl-title,.dl-ver{display:block;}
  .dl-btn{padding:11px 14px;width:100%;}
  .dl-btn-text{display:inline;}
  .dl-ico{display:none;}
  .side-meta{display:block;}
  .shell{margin-left:0;padding-top:56px;}
  .container{padding:0 18px;}
  .page-hero{padding:40px 0 36px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .sec-head{margin-bottom:28px;}
  .steps::before{left:24px;}
  .step{grid-template-columns:48px minmax(0,1fr);gap:14px;padding-bottom:22px;}
  .step-num{width:48px;height:48px;border-radius:13px;font-size:16px;box-shadow:0 0 0 6px var(--bg-0);}
  .step-body{padding:18px;}
  .step-body h3{font-size:17px;}
  .cta-band{padding:26px 20px;border-radius:16px;}
  .cta-actions{width:100%;min-width:0;}
  .cta-actions .btn{width:100%;}
  .footer{padding:44px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px;}
  .f-col h4{margin-bottom:10px;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;gap:8px;}
  .fb-right{justify-content:center;gap:10px;flex-direction:column;}
}
@media (max-width:520px){
  .page-hero h1{font-size:24px;}
  .hero-lead{font-size:14.6px;}
  .step{grid-template-columns:1fr;gap:10px;}
  .step-num{width:44px;height:44px;font-size:15px;}
  .steps::before{display:none;}
  .checklist li{padding:14px;}
  .faq-item summary{font-size:15px;padding:16px 2px;}
  .cta-band h2{font-size:19px;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070B13;
  --bg-1:#0C1320;
  --bg-2:#111A2A;
  --glass:rgba(255,255,255,.045);
  --line:rgba(150,205,255,.14);
  --line-soft:rgba(255,255,255,.07);
  --primary:#2FE3C8;
  --primary-deep:#12A08D;
  --link:#6FB6FF;
  --warn:#FFC46B;
  --danger:#FF7A6B;
  --t1:#E9EFF8;
  --t2:#9FAEC4;
  --t3:#6C7C92;
  --t4:#4A5768;
  --r-card:16px;
  --r-inner:12px;
  --r-btn:12px;
  --r-input:10px;
  --shadow:0 18px 48px rgba(0,0,0,.42);
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  color:var(--t1);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(150,205,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,205,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.55;
  -webkit-mask-image:radial-gradient(120% 78% at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(120% 78% at 50% 0%,#000 0%,transparent 72%);
}
body::after{
  content:"";
  position:fixed;
  top:-420px;
  left:50%;
  width:900px;
  height:900px;
  transform:translateX(-50%);
  pointer-events:none;
  z-index:0;
  background:radial-gradient(circle,rgba(47,227,200,.08),transparent 62%);
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid rgba(111,182,255,.9);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 侧栏顶部品牌 ---------- */
.topbar{
  position:fixed;
  top:0;left:0;
  width:248px;height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  background:rgba(9,14,24,.94);
  border-right:1px solid var(--line-soft);
  z-index:50;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:12px;
  color:var(--primary);
  background:linear-gradient(150deg,rgba(47,227,200,.18),rgba(47,227,200,.04));
  border:1px solid rgba(47,227,200,.35);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{
  display:flex;flex-direction:column;
  font-size:17px;font-weight:700;letter-spacing:.02em;line-height:1.15;
  color:var(--t1);
  white-space:nowrap;
}
.brand-sub{font-size:10.5px;font-weight:500;color:var(--t3);letter-spacing:.06em;margin-top:4px}
.hamburger{
  display:none;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line-soft);
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
  transition:background .18s,border-color .18s;
}
.hamburger span{display:block;width:16px;height:1.5px;background:var(--t2);border-radius:2px;transition:background .18s}
.hamburger:hover{background:rgba(255,255,255,.06);border-color:var(--line)}
.hamburger:hover span{background:var(--primary)}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  top:88px;left:0;bottom:0;
  width:248px;
  display:flex;
  flex-direction:column;
  padding:14px 14px 18px;
  background:rgba(9,14,24,.94);
  border-right:1px solid var(--line-soft);
  overflow-y:auto;
  z-index:39;
}
.side-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:6px 10px 10px;
  font-size:11.5px;letter-spacing:.16em;color:var(--t4);
}
.side-close{display:none;width:32px;height:32px;border-radius:8px;border:1px solid var(--line-soft);color:var(--t2);font-size:14px;line-height:1;align-items:center;justify-content:center}
.side-close:hover{color:var(--primary);border-color:rgba(47,227,200,.4)}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:11px;
  height:44px;
  padding:0 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--t2);
  transition:background .18s,color .18s;
}
.nav-item svg{width:18px;height:18px;flex:none}
.nav-item::before{
  content:"";
  position:absolute;left:0;top:50%;
  width:3px;height:0;
  transform:translateY(-50%);
  background:var(--primary);
  border-radius:0 3px 3px 0;
  transition:height .2s ease;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.nav-item.active{color:var(--primary);background:rgba(47,227,200,.08)}
.nav-item.active::before{height:20px}
.nav-label{white-space:nowrap}

.side-card{
  margin-top:auto;
  padding:14px;
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.side-card .sc-title{font-size:12.5px;color:var(--t3);letter-spacing:.04em}
.side-card .sc-ver{font-family:var(--mono);font-size:13px;color:var(--t1);margin:4px 0 10px}
.side-meta{
  margin-top:14px;
  font-size:11.5px;
  line-height:1.8;
  color:var(--t4);
  padding:0 4px;
}
.side-meta span{display:block}

/* ---------- 主区域 ---------- */
.page{position:relative;z-index:1;margin-left:248px;padding:32px 0 0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:14.5px;font-weight:600;
  white-space:nowrap;
  transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s,filter .18s;
}
.btn svg{width:17px;height:17px}
.btn-primary{
  background:linear-gradient(135deg,#3BF0D4,#17B7A1);
  color:#06120F;
  box-shadow:0 8px 28px rgba(47,227,200,.30),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 34px rgba(47,227,200,.42),inset 0 1px 0 rgba(255,255,255,.4)}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#2FD9C0,#12A08D);box-shadow:0 4px 16px rgba(47,227,200,.26)}
.btn-primary:focus-visible{outline:2px solid rgba(47,227,200,.55);outline-offset:3px}
.btn-ghost{
  background:transparent;
  border-color:rgba(160,210,255,.28);
  color:#CFE6FF;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(47,227,200,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);background:rgba(47,227,200,.1)}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 15px;font-size:13.5px;border-radius:10px}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  border:1px solid var(--line);
  min-height:260px;
  padding:40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:14px;
  background-image:
    linear-gradient(158deg,rgba(7,11,19,.74),rgba(7,11,19,.9)),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:var(--t3)}
.crumbs a{color:var(--t3);transition:color .18s}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--t4)}
.crumbs .cur{color:var(--t2)}
.page-hero h1{
  font-size:clamp(26px,4vw,42px);
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:16em;
}
.hero-sub{font-size:15.5px;color:var(--t2);max-width:640px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.tag{
  font-size:12.5px;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid rgba(150,205,255,.22);
  background:rgba(255,255,255,.04);
  color:var(--t2);
}
.tag.on{color:var(--primary);border-color:rgba(47,227,200,.4);background:rgba(47,227,200,.08)}

/* ---------- 板块 ---------- */
.section{padding:56px 0}
.section-head{margin-bottom:28px}
.section-title{font-size:clamp(22px,2.6vw,30px)}
.section-desc{margin-top:10px;font-size:15px;color:var(--t2);max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--primary);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--primary);opacity:.7}

/* ---------- 排查布局 ---------- */
.ts-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
.faq-list{
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.035);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line-soft)}
.faq-item > summary{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
  cursor:pointer;
  list-style:none;
  transition:background .18s;
}
.faq-item > summary::-webkit-details-marker{display:none}
.faq-item > summary:hover{background:rgba(255,255,255,.045)}
.faq-item[open] > summary{background:rgba(47,227,200,.05)}
.faq-no{font-family:var(--mono);font-size:12.5px;color:var(--t4);flex:none;width:22px}
.faq-q{flex:1;font-size:15.5px;font-weight:600;color:var(--t1);line-height:1.5}
.faq-item[open] .faq-q{color:var(--primary)}
.faq-hint{
  font-size:11.5px;color:var(--t3);
  border:1px solid var(--line-soft);
  border-radius:999px;
  padding:2px 9px;
  white-space:nowrap;
  flex:none;
}
.faq-ic{
  width:26px;height:26px;flex:none;
  display:grid;place-items:center;
  border-radius:8px;
  border:1px solid var(--line-soft);
  color:var(--t2);
  transition:transform .22s,color .22s,border-color .22s;
}
.faq-ic svg{width:13px;height:13px}
.faq-item[open] .faq-ic{transform:rotate(45deg);color:var(--primary);border-color:rgba(47,227,200,.42)}
.faq-body{padding:2px 20px 20px 56px;color:var(--t2);font-size:15px;line-height:1.85}
.faq-body p{color:var(--t2)}
.check-list li{position:relative;padding-left:20px;margin-top:9px}
.check-list li:first-child{margin-top:2px}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:2px;
  background:var(--primary);opacity:.8;
}
.faq-note{
  margin-top:14px;padding:12px 14px;
  border-left:3px solid rgba(255,196,107,.7);
  border-radius:0 10px 10px 0;
  background:rgba(255,196,107,.07);
  font-size:13.5px;color:#E8D3AE;
}

/* ---------- 速查卡 ---------- */
.quick-card{
  position:sticky;top:24px;
  padding:22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.quick-title{font-size:16px;margin-bottom:14px}
.quick-list{display:flex;flex-direction:column}
.quick-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  padding:9px 0;
  font-size:13.5px;
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.quick-list li:last-child{border-bottom:0}
.quick-list .qk{color:var(--t3);flex:none}
.quick-list .qv{color:var(--t1);font-family:var(--mono);font-size:12.5px;text-align:right}
.quick-contact{
  margin:16px 0 18px;
  padding:14px;
  border-radius:12px;
  border:1px solid var(--line-soft);
  background:rgba(7,11,19,.55);
}
.quick-contact h3{font-size:13.5px;color:var(--t1);margin-bottom:6px}
.quick-contact p{font-size:12.5px;color:var(--t3);line-height:1.7}
.quick-contact .mail{font-family:var(--mono);font-size:12.5px;color:var(--primary);margin-top:8px;word-break:break-all}

/* ---------- 三步自查 ---------- */
.checkin-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.steps{position:relative;padding-left:38px}
.steps::before{
  content:"";position:absolute;left:13px;top:10px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(47,227,200,.5),rgba(150,205,255,.1));
}
.step{position:relative;padding-bottom:24px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-32px;top:6px;
  width:13px;height:13px;border-radius:50%;
  background:var(--bg-0);
  border:1px solid rgba(47,227,200,.6);
  box-shadow:0 0 0 4px rgba(47,227,200,.08);
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--t2)}
.figure{
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  box-shadow:var(--shadow);
}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.figure figcaption{
  font-size:12.5px;color:var(--t3);
  padding:10px 14px;
  border-top:1px solid var(--line-soft);
  background:rgba(7,11,19,.6);
}

/* ---------- 提示对照 ---------- */
.notice-list{
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.03);
  overflow:hidden;
}
.notice-row{
  display:grid;
  grid-template-columns:150px 1fr 1.15fr;
  gap:18px;
  align-items:center;
  padding:16px 20px;
  font-size:14px;
  transition:background .18s;
}
.notice-row + .notice-row{border-top:1px solid var(--line-soft)}
.notice-row:hover{background:rgba(255,255,255,.04)}
.notice-code{font-family:var(--mono);font-size:13px;color:var(--warn);letter-spacing:.02em}
.notice-name{color:var(--t1);font-weight:600}
.notice-fix{color:var(--t3);font-size:13.5px}

/* ---------- CTA ---------- */
.cta-bar{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:28px 32px;
  border-radius:18px;
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(47,227,200,.10),rgba(12,19,32,.92) 55%,rgba(12,19,32,.92));
}
.cta-bar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,200,.7),transparent);
}
.cta-text h2{font-size:clamp(19px,2.2vw,24px)}
.cta-text p{margin-top:8px;font-size:14px;color:var(--t2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 遮罩 ---------- */
.overlay{
  position:fixed;inset:0;
  background:rgba(4,8,14,.62);
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
  z-index:55;
  display:none;
}
body.nav-open .overlay{opacity:1;visibility:visible}

/* ---------- 页脚 ---------- */
.footer{
  position:relative;z-index:1;
  margin-left:248px;
  margin-top:64px;
  padding:56px 0 28px;
  border-top:1px solid var(--line-soft);
  background:rgba(9,14,24,.78);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--t1)}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px}
.footer-brand .brand-mark svg{width:18px;height:18px}
.f-desc{margin-top:14px;font-size:13.5px;color:var(--t3);line-height:1.8;max-width:340px}
.f-col h4{font-size:14px;color:var(--t1);margin-bottom:14px;letter-spacing:.02em}
.f-link{display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:var(--t3)}
.f-link a,.f-link span{color:var(--t3);transition:color .18s}
.f-link a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:36px;padding-top:20px;
  border-top:1px solid var(--line-soft);
  font-size:12.5px;color:var(--t4);
}
.fb-right{display:flex;flex-wrap:wrap;gap:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .topbar{width:76px;padding:0;justify-content:center}
  .brand-text{display:none}
  .sidebar{width:76px;padding:12px 10px}
  .side-head{justify-content:center;padding:4px 0 10px;font-size:0}
  .side-head span{display:none}
  .nav-item{justify-content:center;padding:0;height:46px}
  .nav-label{display:none}
  .nav-item::after{
    content:attr(data-label);
    position:absolute;left:66px;top:50%;transform:translateY(-50%);
    padding:6px 10px;border-radius:8px;
    background:var(--bg-2);
    border:1px solid var(--line);
    color:var(--t1);font-size:12.5px;white-space:nowrap;
    opacity:0;visibility:hidden;
    transition:opacity .16s,visibility .16s;
    z-index:5;
  }
  .nav-item:hover::after{opacity:1;visibility:visible}
  .side-card{padding:8px;border-radius:12px}
  .side-card .sc-title,.side-card .sc-ver{display:none}
  .side-card .btn{padding:0;width:44px;height:44px;border-radius:10px}
  .side-card .btn .btn-label{display:none}
  .side-meta{display:none}
  .page{margin-left:76px;padding-top:28px}
  .footer{margin-left:76px}
  .container{padding:0 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .ts-layout{grid-template-columns:1fr}
  .quick-card{position:static;top:auto}
  .checkin-grid{grid-template-columns:1fr;gap:26px}
  .notice-row{grid-template-columns:1fr;gap:6px;align-items:start}
  .notice-fix{color:var(--t3)}
  .page-hero{padding:32px 28px;min-height:220px}
}
@media (max-width:767px){
  .overlay{display:block}
  .topbar{
    width:100%;height:56px;
    padding:0 16px;
    justify-content:space-between;
    border-right:0;
    border-bottom:1px solid var(--line-soft);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
  }
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .brand-mark svg{width:17px;height:17px}
  .brand-text{display:flex;font-size:15px}
  .brand-sub{display:none}
  .hamburger{display:flex}
  .sidebar{
    top:0;bottom:0;left:0;
    width:280px;height:100%;
    padding:16px 14px 20px;
    transform:translateX(-100%);
    transition:transform .28s ease;
    background:rgba(9,14,24,.99);
    box-shadow:24px 0 60px rgba(0,0,0,.55);
    z-index:60;
  }
  body.nav-open .sidebar{transform:translateX(0)}
  .side-head{justify-content:space-between;padding:4px 6px 14px;font-size:11.5px}
  .side-head span{display:block}
  .side-close{display:flex}
  .nav-item{justify-content:flex-start;padding:0 12px;height:46px}
  .nav-label{display:block}
  .nav-item::after{display:none}
  .side-card{padding:14px;border-radius:14px;margin-top:18px}
  .side-card .sc-title,.side-card .sc-ver{display:block}
  .side-card .btn{width:100%;height:44px;padding:0 18px;border-radius:12px}
  .side-card .btn .btn-label{display:inline}
  .side-meta{display:block}
  .page{margin-left:0;padding-top:74px}
  .footer{margin-left:0}
  .container{padding:0 18px}
  .page-hero{padding:24px 20px;border-radius:16px;min-height:0;gap:12px}
  .hero-sub{font-size:14.5px}
  .section{padding:40px 0}
  .faq-hint{display:none}
  .faq-item > summary{padding:16px 16px;gap:10px}
  .faq-no{display:none}
  .faq-q{font-size:15px}
  .faq-body{padding:2px 16px 18px 16px;font-size:14.5px}
  .cta-bar{padding:22px 20px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer{padding:40px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
  .fb-right{justify-content:center;gap:10px;flex-direction:column}
  .f-desc{max-width:none}
}
@media (max-width:520px){
  .page-hero h1{font-size:25px}
  .tag{font-size:11.5px;padding:4px 10px}
  .quick-card{padding:18px}
  .notice-row{padding:14px 16px}
}