/* roulang page: index */
:root{
  --bg-0:#070A12;
  --bg-1:#0B111D;
  --glass:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.09);
  --brand:#2FE3B0;
  --brand-2:#12B98C;
  --brand-mist:rgba(47,227,176,.14);
  --accent:#FF9A3C;
  --link:#7FD4FF;
  --ink-1:#E9F0F8;
  --ink-2:#A6B4C8;
  --ink-3:#6E7D94;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:14px;
  --r-input:12px;
  --r-img:14px;
  --shadow-glass:0 18px 50px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Source Han Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(720px 720px at 50% -10%, rgba(47,227,176,.10), transparent 70%),
    radial-gradient(620px 620px at 94% 86%, rgba(255,154,60,.06), transparent 72%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.08;
  background-image:
    linear-gradient(rgba(255,255,255,.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.55) 1px, transparent 1px);
  background-size:56px 56px;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;font-weight:500;}
.wrap{position:relative;z-index:1;}

/* ---------- 容器 ---------- */
.container-x{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.container-x{max-width:1320px;}}

/* ---------- 按钮体系 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  border:1px solid transparent;transition:all .18s var(--ease);white-space:nowrap;
}
.btn-x svg{flex:0 0 auto;}
.btn-brand{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#05130E;
  box-shadow:0 8px 22px rgba(47,227,176,.18), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-brand:hover,.btn-brand:focus-visible{
  color:#05130E;transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(47,227,176,.35), inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-ghost{
  background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.14);color:var(--ink-1);
}
.btn-ghost:hover,.btn-ghost:focus-visible{
  color:var(--brand);border-color:var(--brand);box-shadow:inset 0 0 24px rgba(47,227,176,.16);
}
.btn-accent{
  background:rgba(255,154,60,.12);border-color:var(--accent);color:var(--accent);
}
.btn-accent:hover,.btn-accent:focus-visible{color:#ffd0a2;background:rgba(255,154,60,.2);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- Dock 导航 ---------- */
.dock-outer{position:fixed;top:16px;left:0;right:0;z-index:1040;display:flex;justify-content:center;padding:0 16px;pointer-events:none;}
.dock{
  pointer-events:auto;width:min(1180px,100%);
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;border-radius:999px;
  background:rgba(10,14,24,.72);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 14px 40px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(18px) saturate(150%);
  transition:background .25s var(--ease), box-shadow .25s var(--ease);
}
.dock.is-scrolled{background:rgba(8,11,19,.88);box-shadow:0 20px 52px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.07);}
.dock-logo{display:flex;flex-direction:column;line-height:1.12;min-width:0;}
.dock-logo .main{font-size:19px;font-weight:800;letter-spacing:-.01em;}
.dock-logo .sub{font-size:11.5px;letter-spacing:.14em;color:var(--brand);font-weight:600;}
.dock-logo .sub small{font-size:11.5px;}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-menu a{
  position:relative;display:inline-flex;align-items:center;
  min-height:40px;padding:0 14px;border-radius:999px;
  font-size:14.5px;color:var(--ink-2);font-weight:500;
}
.dock-menu a:hover{color:var(--ink-1);background:rgba(255,255,255,.05);}
.dock-menu a.active{color:var(--brand);}
.dock-menu a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:var(--brand);
  box-shadow:0 0 12px rgba(47,227,176,.85);
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:8px;}
.icon-btn{
  width:42px;height:42px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.12);color:var(--ink-2);
  cursor:pointer;transition:all .18s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);}
.dock-burger{display:none;}
@media (max-width:991px){
  .dock-menu,.dock-actions .btn-x{display:none;}
  .dock-burger{display:inline-flex;}
}

/* 抽屉 */
.drawer{
  background:rgba(9,13,22,.96)!important;border-left:1px solid var(--line);
  border-radius:20px 0 0 20px;color:var(--ink-1);width:min(340px,86vw)!important;
  backdrop-filter:blur(18px) saturate(150%);
}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;}
.drawer .offcanvas-body{padding:14px 12px 28px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:14px;font-size:15.5px;color:var(--ink-2);
}
.drawer-link:hover,.drawer-link.active{background:rgba(255,255,255,.05);color:var(--brand);}
.drawer-tip{margin:18px 16px 0;font-size:13px;color:var(--ink-3);line-height:1.8;}

/* ---------- 搜索层 ---------- */
.search-layer{
  position:fixed;inset:0;z-index:1060;display:none;
  background:rgba(4,7,13,.86);backdrop-filter:blur(16px) saturate(150%);
  padding:120px 20px 40px;
}
.search-layer.open{display:block;}
.search-inner{max-width:640px;margin:0 auto;text-align:center;}
.search-inner h2{font-size:20px;font-weight:700;margin-bottom:18px;}
.search-form{display:flex;gap:10px;}
.search-form input{
  flex:1;height:54px;padding:0 18px;border-radius:var(--r-input);
  background:var(--bg-1);border:1px solid var(--line);color:var(--ink-1);font-size:15px;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,227,176,.14);}
.search-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px;}
.search-tags a{
  font-size:13px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);color:var(--ink-2);background:rgba(255,255,255,.03);
}
.search-tags a:hover{border-color:var(--brand);color:var(--brand);}
.search-close{position:absolute;top:28px;right:28px;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(72px,8vw,112px) 0;}
.section-tight{padding:clamp(52px,6vw,80px) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.1em;color:var(--brand);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(1.45rem,2.6vw,1.95rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:620px;}
.ghost-link{font-size:14px;color:var(--link);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.ghost-link:hover{color:var(--brand);}

/* ---------- Hero ---------- */
.hero{padding-top:132px;padding-bottom:clamp(56px,7vw,88px);}
.hero-grid{display:grid;grid-template-columns:56% 44%;gap:48px;align-items:center;}
.badge-key{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(18,185,140,.18);border:1px solid rgba(47,227,176,.35);
  color:var(--brand);font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.hero h1{
  font-size:clamp(2.05rem,4.6vw,3.35rem);font-weight:800;line-height:1.16;
  letter-spacing:-.02em;margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:560px;line-height:1.8;}
.hero-btns{display:flex;gap:12px;margin:28px 0 22px;flex-wrap:wrap;}
.spec-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.spec-chip{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:8px 14px;border-radius:999px;background:var(--glass);
  border:1px solid var(--line);font-size:13px;color:var(--ink-2);
}
.spec-chip b{color:var(--accent);font-size:13.5px;font-variant-numeric:tabular-nums;font-weight:600;}
.safe-note{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.safe-note svg{color:var(--brand);}

.hero-visual{position:relative;}
.device-frame{
  position:relative;border-radius:var(--r-panel);padding:12px;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  backdrop-filter:blur(16px) saturate(150%);
}
.ratio-16x10{position:relative;width:100%;padding-top:62.5%;border-radius:var(--r-img);overflow:hidden;background:linear-gradient(135deg,#0d1626,#0a1a20);}
.ratio-16x10>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:var(--r-img);}
.float-card{
  position:absolute;padding:14px 16px;border-radius:16px;
  background:rgba(11,17,29,.82);border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(150%);
  font-size:12.5px;color:var(--ink-2);
}
.float-card .fc-label{color:var(--ink-3);letter-spacing:.06em;font-size:11.5px;}
.float-card .fc-value{color:var(--brand);font-size:16px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums;}
.float-card.one{top:-18px;left:-26px;transform:rotate(-2.4deg);}
.float-card.two{bottom:-22px;right:-20px;transform:rotate(1.8deg);}
.stats-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:clamp(48px,5vw,68px);padding-top:32px;border-top:1px solid var(--line);
}
.stat-item .num-big{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-item .num-desc{font-size:13px;color:var(--ink-3);margin-top:6px;}

/* ---------- 轮播 ---------- */
.carousel-track{position:relative;}
.carousel-inner{border-radius:var(--r-panel);}
.slide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.shot-card{
  border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-glass);overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.shot-card:hover{transform:translateY(-3px);border-color:rgba(47,227,176,.35);}
.shot-card .shot-img{position:relative;width:100%;padding-top:62.5%;overflow:hidden;background:linear-gradient(135deg,#0c1626,#0a1c1d);}
.shot-card .shot-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;}
.shot-body{padding:20px 22px 22px;}
.shot-body h3{font-size:1.125rem;font-weight:600;margin-bottom:8px;}
.shot-body p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.shot-index{margin-top:14px;font-size:12.5px;color:var(--ink-3);letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.carousel-indicators{position:static;margin:26px 0 0;gap:8px;}
.carousel-indicators [data-bs-target]{
  width:34px;height:3px;border-radius:3px;background:rgba(255,255,255,.18);
  border:0;opacity:1;margin:0;transition:background .2s var(--ease);
}
.carousel-indicators .active{background:var(--brand);box-shadow:0 0 12px rgba(47,227,176,.7);}
.carousel-control-prev,.carousel-control-next{
  width:46px;height:46px;top:38%;border-radius:999px;opacity:1;
  background:rgba(11,17,29,.78);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:all .18s var(--ease);
}
.carousel-control-prev{left:-10px;}
.carousel-control-next{right:-10px;}
.carousel-control-prev:hover,.carousel-control-next:hover{border-color:var(--brand);}
.carousel-control-prev-icon,.carousel-control-next-icon{width:16px;height:16px;filter:invert(1) sepia(1) saturate(3) hue-rotate(110deg);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:56% 44%;gap:24px;align-items:start;}
.news-card{
  display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-glass);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(47,227,176,.35);}
.news-card .nc-media{position:relative;width:100%;padding-top:62.5%;overflow:hidden;background:linear-gradient(135deg,#0c1626,#0a1c1d);}
.news-card .nc-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;}
.nc-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(9,13,22,.82);border:1px solid rgba(47,227,176,.4);color:var(--brand);
  backdrop-filter:blur(8px);
}
.news-card .nc-body{padding:22px 24px 24px;}
.nc-date{font-size:12.5px;color:var(--accent);letter-spacing:.06em;font-variant-numeric:tabular-nums;font-weight:500;}
.nc-body h3{font-size:1.18rem;font-weight:600;line-height:1.45;margin:10px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover h3{color:var(--brand);}
.nc-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.nc-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;color:var(--link);}
.news-card:hover .nc-more{color:var(--brand);}
.news-rows{display:flex;flex-direction:column;gap:14px;}
.news-row{
  display:grid;grid-template-columns:88px 1px 1fr;gap:16px;align-items:stretch;
  padding:18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.news-row:hover{transform:translateY(-3px);border-color:rgba(47,227,176,.35);}
.news-row .nr-date{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.5;}
.news-row .nr-sep{width:1px;background:var(--line);}
.news-row h3{font-size:15.5px;font-weight:600;line-height:1.5;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-row:hover h3{color:var(--brand);}
.news-row p{font-size:13.5px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.nr-cat{display:inline-block;margin-top:10px;padding:3px 10px;border-radius:999px;font-size:11.5px;
  border:1px solid var(--line);color:var(--ink-3);}
.empty-state{
  min-height:210px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border-radius:var(--r-card);border:1px dashed var(--line);background:transparent;text-align:center;
}
.empty-state svg{color:var(--ink-3);}
.empty-state p{color:var(--ink-2);font-size:15px;}

/* ---------- 系统要求 ---------- */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.spec-panel{
  border-radius:var(--r-panel);background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-glass);padding:26px 26px 20px;
}
.spec-panel .sp-head{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.spec-panel .sp-head h3{font-size:1.125rem;font-weight:600;}
.spec-panel .sp-badge{
  margin-left:auto;font-size:11.5px;letter-spacing:.08em;color:var(--accent);
  border:1px solid rgba(255,154,60,.4);background:rgba(255,154,60,.1);
  border-radius:999px;padding:4px 12px;
}
.sp-icon{width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-mist);color:var(--brand);border:1px solid rgba(47,227,176,.3);}
dl.def-list{margin:0;}
dl.def-list .def-item{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07);
}
dl.def-list .def-item:last-child{border-bottom:0;}
dl.def-list dt{font-size:14.5px;color:var(--ink-2);font-weight:400;}
dl.def-list dd{margin:0;font-size:14.5px;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600;text-align:right;}

/* ---------- 评价墙 ---------- */
.review-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.review-col{display:flex;flex-direction:column;gap:22px;}
.review-col.offset{margin-top:28px;}
.review-card{
  border-radius:var(--r-card);padding:22px;background:var(--glass);
  border:1px solid var(--line);box-shadow:var(--shadow-glass);
}
.review-col .review-card:nth-child(1){transform:rotate(-.6deg);}
.review-col .review-card:nth-child(2){transform:rotate(.5deg);background:rgba(255,255,255,.06);}
.review-col.offset .review-card:nth-child(1){transform:rotate(.6deg);background:rgba(255,255,255,.03);}
.review-col.offset .review-card:nth-child(2){transform:rotate(-.5deg);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:42px;height:42px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;color:#05130E;background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.avatar.c2{background:linear-gradient(135deg,#FF9A3C,#e2743a);color:#22120a;}
.avatar.c3{background:linear-gradient(135deg,#7FD4FF,#4aa8d8);color:#03151f;}
.review-top .rv-name{font-size:14.5px;font-weight:600;}
.review-top .rv-meta{font-size:12px;color:var(--ink-3);}
.stars{display:flex;gap:3px;margin-bottom:10px;color:var(--accent);}
.review-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- 收尾 CTA ---------- */
.cta-panel{
  border-radius:var(--r-panel);padding:clamp(38px,5vw,62px) clamp(24px,4vw,52px);
  text-align:center;border:1px solid rgba(47,227,176,.24);
  background:
    radial-gradient(600px 260px at 50% 0%, rgba(47,227,176,.14), transparent 70%),
    rgba(255,255,255,.035);
  box-shadow:var(--shadow-glass);
}
.cta-panel h2{font-size:clamp(1.5rem,2.7vw,2.05rem);font-weight:700;margin-bottom:14px;}
.cta-panel p{color:var(--ink-2);font-size:15.5px;max-width:640px;margin:0 auto 28px;}
.cta-btns{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}
.cta-check{margin-top:24px;font-size:13px;color:var(--ink-3);display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;}
.cta-check span{display:inline-flex;align-items:center;gap:6px;}
.cta-check b{color:var(--accent);font-variant-numeric:tabular-nums;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start;}
.accordion-x .accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:16px!important;
  overflow:hidden;margin-bottom:14px;transition:border-color .2s var(--ease);
}
.accordion-x .accordion-item:last-child{margin-bottom:0;}
.accordion-x .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(47,227,176,.5);}
.accordion-x .accordion-button{
  background:transparent;color:var(--ink-1);font-size:15.5px;font-weight:600;
  padding:18px 52px 18px 20px;box-shadow:none!important;line-height:1.6;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--brand);}
.accordion-x .accordion-button::after{
  content:"";width:14px;height:14px;background:none;
  border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);
  transform:rotate(45deg);transition:transform .22s var(--ease);position:absolute;right:24px;top:24px;margin:0;
}
.accordion-x .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand);}
.accordion-x .accordion-body{
  padding:0 20px 20px;color:var(--ink-2);font-size:14.5px;line-height:1.85;
  border-top:1px solid rgba(255,255,255,.07);padding-top:16px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:40px;background:#05080F;
  border-top:1px solid rgba(255,255,255,.07);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,176,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;
  padding:clamp(48px,5vw,68px) 0 34px;
}
.footer-brand .main{font-size:19px;font-weight:800;}
.footer-brand .sub{font-size:11.5px;letter-spacing:.14em;color:var(--brand);font-weight:600;}
.footer-brand p{margin-top:16px;font-size:13.5px;color:var(--ink-3);line-height:1.85;max-width:320px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-2);background:rgba(255,255,255,.03);
}
.social-row a:hover{border-color:var(--brand);color:var(--brand);}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--ink-3);font-weight:600;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:6px 0;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;color:var(--ink-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink-2);cursor:pointer;font-size:13px;
}
.to-top:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 移动底栏 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1050;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(8,11,19,.9);border-top:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(150%);
}
.mobile-bar .btn-x{width:100%;}
@media (max-width:767px){
  body{padding-bottom:78px;font-size:15px;}
  .mobile-bar{display:block;}
}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .hero-grid{gap:56px;}
}
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{max-width:600px;}
  .float-card.one{left:-14px;}
  .float-card.two{right:-10px;}
  .slide-grid{grid-template-columns:repeat(2,1fr);}
  .review-wall{grid-template-columns:repeat(2,1fr);}
  .review-col.offset{margin-top:0;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  .news-grid{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:767px){
  .hero{padding-top:112px;}
  .hero-btns .btn-x{width:100%;}
  .dock{padding:8px 10px 8px 14px;}
  .dock-logo .main{font-size:17px;}
  .slide-grid{grid-template-columns:1fr;gap:16px;}
  .carousel-control-prev,.carousel-control-next{display:none;}
  .review-wall{display:flex;overflow-x:auto;gap:16px;padding-bottom:8px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
  .review-col{flex:0 0 78vw;scroll-snap-align:start;}
  .review-card{transform:none!important;}
  .cta-btns .btn-x{width:100%;}
  .stats-row{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .news-row{grid-template-columns:1fr;gap:10px;}
  .news-row .nr-sep{display:none;}
  .news-row .nr-date{font-size:12.5px;}
  .float-card.one{left:-6px;top:-12px;}
  .float-card.two{display:none;}
  .search-layer{padding-top:96px;}
  .search-form{flex-direction:column;}
  .search-form .btn-x{width:100%;}
}
@media (max-width:520px){
  .container-x{padding:0 16px;}
  .spec-chip{font-size:12.5px;}
  .stats-row{grid-template-columns:1fr;}
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease);}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .reveal{opacity:1;transform:none;}
  .carousel{--bs-carousel-transition-duration:0s;}
}
@media (hover:none){
  .news-card:hover,.news-row:hover,.shot-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070A12;
  --bg-1:#0B111D;
  --glass:rgba(255,255,255,0.045);
  --line:rgba(255,255,255,0.09);
  --brand:#2FE3B0;
  --brand-2:#12B98C;
  --brand-mist:rgba(47,227,176,0.14);
  --accent:#FF9A3C;
  --link:#7FD4FF;
  --ink-1:#E9F0F8;
  --ink-2:#A6B4C8;
  --ink-3:#6E7D94;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:14px;
  --r-input:12px;
  --shadow-glass:0 18px 50px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --sec-pad:clamp(72px,8vw,112px);
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Source Han Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  padding-top:0;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(720px 720px at 50% -220px, rgba(47,227,176,.10), transparent 70%),
    radial-gradient(620px 620px at 100% 100%, rgba(255,154,60,.06), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.055;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;border-radius:14px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;color:var(--ink-1);font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:0}
.container-x{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:var(--sec-pad) 0;position:relative;z-index:1}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.06em;font-weight:600;color:var(--brand);background:var(--brand-mist);border:1px solid rgba(47,227,176,.24);border-radius:999px;padding:5px 12px;margin-bottom:14px}
.section-head h2{font-size:clamp(1.45rem,2.6vw,1.95rem);line-height:1.3;margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:16px}
.num{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:500}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(10,14,24,.72);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 14px 40px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  z-index:1040;
  transition:background .25s ease, box-shadow .25s ease;
}
.dock.is-scrolled{background:rgba(8,11,19,.88);box-shadow:0 20px 54px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.07)}
.dock-logo{display:flex;flex-direction:column;line-height:1.05;flex-shrink:0}
.dock-logo .main{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-1)}
.dock-logo .sub{font-size:11.5px;font-weight:600;letter-spacing:.1em;color:var(--brand);margin-top:3px}
.dock-logo:hover .main{color:var(--brand)}
.dock-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.dock-menu a{
  position:relative;font-size:14.5px;font-weight:600;color:var(--ink-2);
  padding:10px 14px;border-radius:999px;
}
.dock-menu a:hover{color:var(--ink-1);background:rgba(255,255,255,.05)}
.dock-menu a.active{color:var(--brand)}
.dock-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 12px rgba(47,227,176,.75);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  color:var(--ink-2);cursor:pointer;transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(47,227,176,.5);box-shadow:inset 0 0 0 1px rgba(47,227,176,.25)}
.dock-burger{display:none}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.btn-brand{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#05130E}
.btn-brand:hover{color:#05130E;transform:translateY(-2px);box-shadow:0 10px 30px rgba(47,227,176,.35), inset 0 1px 0 rgba(255,255,255,.4)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.14);color:var(--ink-1)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);box-shadow:inset 0 0 0 1px rgba(47,227,176,.35);transform:translateY(-2px)}
.btn-accent{background:rgba(255,154,60,.12);border-color:rgba(255,154,60,.55);color:var(--accent)}
.btn-accent:hover{color:var(--accent);border-color:var(--accent);box-shadow:0 10px 26px rgba(255,154,60,.22);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:999px;min-height:40px}

/* ---------- 页面头 ---------- */
.page-head{padding:132px 0 24px;position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.18)}
.crumb .current{color:var(--ink-1)}
.head-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:center}
.head-badge{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--brand);background:var(--brand-mist);border:1px solid rgba(47,227,176,.26);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.page-head h1{font-size:clamp(2.05rem,4.6vw,3.35rem);font-weight:800;line-height:1.16;letter-spacing:-.02em;margin-bottom:16px}
.page-head h1 em{font-style:normal;color:var(--brand)}
.head-sub{color:var(--ink-2);font-size:18px;max-width:640px;margin-bottom:20px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag-line{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.tag-line .num{font-weight:500}
.head-visual{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-glass);background:linear-gradient(150deg,#0B111D,#070A12)}
.head-visual img{width:100%;height:250px;object-fit:cover;border-radius:0;box-shadow:none}
.head-visual .float-card{
  position:absolute;left:16px;bottom:16px;right:auto;
  background:rgba(11,17,29,.82);border:1px solid var(--line);border-radius:16px;
  padding:12px 16px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 14px 36px rgba(0,0,0,.5);transform:rotate(-1deg);
}
.head-visual .float-card span{display:block;font-size:12.5px;color:var(--ink-3)}
.head-visual .float-card strong{font-size:15px;color:var(--accent);font-weight:500;font-variant-numeric:tabular-nums}

/* ---------- 步骤流 ---------- */
.steps-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
.step-col{position:relative;padding-left:60px}
.step-col::before{
  content:"";position:absolute;left:19px;top:14px;bottom:26px;width:2px;
  background:linear-gradient(180deg,rgba(47,227,176,.8),rgba(47,227,176,.05));
}
.step-col:nth-child(2){margin-top:64px}
.step{position:relative;margin-bottom:30px}
.step:last-child{margin-bottom:0}
.step-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-glass);
  -webkit-backdrop-filter:blur(14px) saturate(150%);backdrop-filter:blur(14px) saturate(150%);
  transition:border-color .2s ease, transform .2s ease;
}
.step-card:hover{border-color:rgba(47,227,176,.35);transform:translateY(-3px)}
.step-card h3{font-size:1.125rem;font-weight:600;margin-bottom:8px}
.step-card p{color:var(--ink-2);font-size:15px}
.step-num{
  position:absolute;left:-60px;top:14px;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;background:var(--bg-1);border:1px solid rgba(47,227,176,.5);
  color:var(--brand);font-weight:500;font-variant-numeric:tabular-nums;font-size:14px;
  box-shadow:0 0 0 6px rgba(47,227,176,.06), 0 0 18px rgba(47,227,176,.22);
}
.step-note{
  margin-top:14px;padding:10px 14px;border-left:3px solid var(--accent);
  background:rgba(255,154,60,.07);border-radius:0 10px 10px 0;
  font-size:13.5px;color:var(--ink-2);
}
.step-note strong{color:var(--accent);font-weight:600}
.step-media{margin-top:14px;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.step-media img{width:100%;height:150px;object-fit:cover;border-radius:0;box-shadow:none}

/* ---------- 注意事项面板 ---------- */
.notice-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:32px;box-shadow:var(--shadow-glass);
  -webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);
}
.notice-panel h2{font-size:clamp(1.45rem,2.6vw,1.95rem);margin-bottom:8px}
.notice-panel .lead{color:var(--ink-2);margin-bottom:26px}
.notice-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.notice-item{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:16px;padding:20px}
.notice-item .idx{font-size:12.5px;letter-spacing:.06em;color:var(--accent);font-weight:500;font-variant-numeric:tabular-nums}
.notice-item h3{font-size:1.0625rem;margin:8px 0 6px}
.notice-item p{font-size:14.5px;color:var(--ink-2)}

/* ---------- CTA 条 ---------- */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  margin-top:32px;padding:26px 30px;border-radius:var(--r-panel);
  background:linear-gradient(120deg,rgba(47,227,176,.10),rgba(11,17,29,.6) 60%);
  border:1px solid rgba(47,227,176,.26);
  box-shadow:0 18px 44px rgba(0,0,0,.42);
}
.cta-strip h3{font-size:1.125rem;margin-bottom:6px}
.cta-strip p{color:var(--ink-2);font-size:14.5px}
.cta-strip .actions{display:flex;gap:12px;flex-wrap:wrap}
.divider-glow{height:1px;background:linear-gradient(90deg,transparent,rgba(47,227,176,.45),transparent);margin:0 auto;max-width:1180px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.accordion-x .accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:border-color .2s ease;
}
.accordion-x .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(47,227,176,.5)}
.accordion-x .accordion-button{
  background:transparent;color:var(--ink-1);font-size:15.5px;font-weight:600;
  padding:18px 56px 18px 22px;box-shadow:none;border:0;line-height:1.6;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--brand);background:transparent}
.accordion-x .accordion-button:focus{box-shadow:none;border:0}
.accordion-x .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;width:14px;height:14px;
  margin:0;transform:translateY(-50%) rotate(0);
  background-image:none;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  border-radius:2px;transition:transform .22s ease;transform-origin:center;
  transform:translateY(-50%) rotate(45deg);
}
.accordion-x .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(225deg)}
.accordion-x .accordion-body{
  padding:4px 22px 22px;color:var(--ink-2);font-size:15px;
  border-top:1px solid rgba(255,255,255,.07);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(64px,8vw,104px);
  background:#05080F;border-top:1px solid rgba(255,255,255,.07);
  position:relative;z-index:1;padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:rgba(47,227,176,.15);box-shadow:0 0 18px rgba(47,227,176,.35);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .main{font-size:19px;font-weight:800;letter-spacing:-.01em}
.footer-brand .sub{font-size:11.5px;font-weight:600;letter-spacing:.1em;color:var(--brand);margin-top:4px}
.footer-brand p{color:var(--ink-3);font-size:14px;margin-top:14px;max-width:320px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--ink-2);
  transition:all .18s ease;
}
.social-row a:hover{color:var(--brand);border-color:rgba(47,227,176,.5)}
.footer-col h4{font-size:14px;letter-spacing:.04em;color:var(--ink-1);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--ink-3);padding:6px 0}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.07);
  color:var(--ink-3);font-size:13px;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:10px 18px;
  border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--ink-2);cursor:pointer;font-size:13px;transition:all .18s ease;
}
.to-top:hover{color:var(--brand);border-color:rgba(47,227,176,.5)}

/* ---------- 搜索覆盖层 / 抽屉 ---------- */
.search-layer{
  position:fixed;inset:0;z-index:1060;display:none;
  background:rgba(5,8,15,.86);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  align-items:center;justify-content:center;padding:24px;
}
.search-layer.open{display:flex}
.search-inner{width:100%;max-width:640px;text-align:center}
.search-inner h2{font-size:1.35rem;margin-bottom:18px}
.search-form{display:flex;gap:10px}
.search-form input{
  flex:1;min-height:52px;border-radius:var(--r-input);background:var(--bg-1);
  border:1px solid var(--line);color:var(--ink-1);padding:0 18px;font-size:15px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--ink-3)}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,227,176,.14)}
.hot-words{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:18px}
.hot-words a{font-size:13px;color:var(--ink-2);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.hot-words a:hover{color:var(--brand);border-color:rgba(47,227,176,.4)}
.search-close{position:absolute;top:24px;right:24px}
.offcanvas.nav-drawer{
  background:rgba(9,13,22,.96);color:var(--ink-1);border-left:1px solid var(--line);
  border-top-left-radius:20px;border-bottom-left-radius:20px;width:min(340px,86vw);
}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:20px}
.nav-drawer .offcanvas-body{padding:18px}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:14px;
  font-size:15px;font-weight:600;color:var(--ink-2);margin-bottom:6px;
}
.nav-drawer a.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--ink-1)}
.nav-drawer a.drawer-link.active{color:var(--brand);background:var(--brand-mist)}
.btn-close-x{
  width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--ink-2);display:grid;place-items:center;cursor:pointer;
}
.btn-close-x:hover{color:var(--brand);border-color:rgba(47,227,176,.5)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .container-x{max-width:1180px}
}
@media (max-width:1199.98px){
  .head-grid{grid-template-columns:1fr;gap:30px}
  .head-visual img{height:220px}
  .notice-list{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .dock-menu{display:none}
  .dock-burger{display:grid}
  .dock{padding:10px 12px 10px 16px}
  .steps-wrap{grid-template-columns:1fr;gap:0}
  .step-col:nth-child(2){margin-top:0}
  .step-col{padding-left:56px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .page-head{padding:112px 0 16px}
  .dock-actions .btn-x{display:none}
  .section{padding:56px 0}
  .notice-list{grid-template-columns:1fr}
  .cta-strip{padding:22px}
  .cta-strip .actions{width:100%}
  .cta-strip .actions .btn-x{flex:1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .step-card{padding:18px}
  .notice-panel{padding:22px}
  .search-form{flex-direction:column}
}
@media (max-width:519.98px){
  .footer-grid{grid-template-columns:1fr}
  .head-visual .float-card{left:12px;bottom:12px;padding:10px 12px}
  .step-media img{height:130px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg-0:#070A12;
  --bg-1:#0B111D;
  --glass:rgba(255,255,255,.045);
  --stroke:rgba(255,255,255,.09);
  --brand:#2FE3B0;
  --brand-2:#12B98C;
  --brand-mist:rgba(47,227,176,.14);
  --accent:#FF9A3C;
  --link:#7FD4FF;
  --ink-1:#E9F0F8;
  --ink-2:#A6B4C8;
  --ink-3:#6E7D94;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:14px;
  --r-input:12px;
  --r-img:14px;
  --shadow-card:0 18px 50px rgba(0,0,0,.45);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:'HarmonyOS Sans SC','PingFang SC','Source Han Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-1)}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0}
input,button,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.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}

/* ---------- 背景装饰 ---------- */
.bg-deco{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(720px 720px at 50% -240px, rgba(47,227,176,.10), transparent 70%),
    radial-gradient(620px 620px at 104% 100%, rgba(255,154,60,.06), transparent 72%);
}
.bg-deco::after{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 72%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 72%);
}

/* ---------- 容器 ---------- */
.container-x{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1;
}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));z-index:1040;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 14px 10px 20px;border-radius:999px;
  background:rgba(10,14,24,.72);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 14px 40px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  transition:background .25s ease,box-shadow .25s ease;
}
.dock.is-scrolled{
  background:rgba(8,11,19,.88);
  box-shadow:0 20px 54px rgba(0,0,0,.62),inset 0 1px 0 rgba(255,255,255,.06);
}
.dock-logo{display:flex;flex-direction:column;line-height:1.12;flex:0 0 auto}
.dock-logo .main{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink-1)}
.dock-logo .sub{font-size:12.5px;font-weight:600;color:var(--brand);letter-spacing:.06em;margin-top:2px}
.dock-menu{display:flex;align-items:center;justify-content:center;gap:4px;flex:1 1 auto}
.dock-menu a{
  position:relative;padding:9px 14px;font-size:15px;line-height:1;color:var(--ink-2);
  border-radius:999px;white-space:nowrap;
}
.dock-menu a:hover{color:var(--ink-1);background:rgba(255,255,255,.05)}
.dock-menu a.active{color:var(--brand)}
.dock-menu a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-2px;
  width:22px;height:3px;border-radius:3px;background:var(--brand);
  box-shadow:0 0 12px rgba(47,227,176,.75);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-burger{display:none}

/* ---------- 按钮体系 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-brand{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#05130E;font-weight:700;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 6px 18px rgba(18,185,140,.22);
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(47,227,176,.35),inset 0 1px 0 rgba(255,255,255,.42);color:#05130E}
.btn-ghost{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.14);color:var(--ink-1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);box-shadow:inset 0 0 22px rgba(47,227,176,.14)}
.btn-accent{border-color:var(--accent);background:rgba(255,154,60,.12);color:var(--accent)}
.btn-accent:hover{background:rgba(255,154,60,.2);color:var(--accent)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:12px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);
  color:var(--ink-2);cursor:pointer;transition:color .18s,border-color .18s,background .18s;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(47,227,176,.5);background:rgba(47,227,176,.08)}

/* ---------- 搜索覆盖层 ---------- */
.search-layer{
  position:fixed;inset:0;z-index:1055;display:none;
  background:rgba(4,7,14,.86);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.search-layer.is-open{display:flex;align-items:flex-start;justify-content:center;padding:14vh 20px 40px}
.search-box{width:100%;max-width:640px;position:relative}
.search-box form{display:flex;gap:10px}
.search-box input[type="search"]{
  flex:1 1 auto;height:52px;padding:0 18px;border-radius:var(--r-input);
  background:var(--bg-1);border:1px solid rgba(255,255,255,.12);color:var(--ink-1);
  transition:border-color .18s,box-shadow .18s;
}
.search-box input[type="search"]::placeholder{color:var(--ink-3)}
.search-box input[type="search"]:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,227,176,.16)}
.search-box .btn-x{height:52px}
.hot-words{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-3)}
.hot-words a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);color:var(--ink-2);
}
.hot-words a:hover{color:var(--brand);border-color:rgba(47,227,176,.45)}
.search-close{
  position:absolute;right:0;top:-52px;width:40px;height:40px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
  color:var(--ink-2);font-size:20px;line-height:1;cursor:pointer;
}
.search-close:hover{color:var(--brand);border-color:rgba(47,227,176,.45)}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  background:rgba(9,13,22,.96)!important;
  border-left:1px solid rgba(255,255,255,.09)!important;
  border-radius:20px 0 0 20px;
  width:min(340px,86vw)!important;
  color:var(--ink-1);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 20px}
.drawer .offcanvas-title{font-size:17px;font-weight:800}
.drawer .offcanvas-title span{display:block;font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.06em;margin-top:2px}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.65}
.drawer .offcanvas-body{padding:12px 12px 24px}
.drawer-link{
  display:flex;align-items:center;min-height:44px;padding:12px 16px;border-radius:14px;
  color:var(--ink-2);font-size:15px;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--ink-1)}
.drawer-link.active{color:var(--brand);background:var(--brand-mist)}
.drawer-cta{margin-top:16px;display:block;width:100%;text-align:center}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:118px 0 0;font-size:13px;color:var(--ink-3);
}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.45}
.crumbs .cur{color:var(--ink-1);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 30px}
.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  background:var(--brand-mist);color:var(--brand);border:1px solid rgba(47,227,176,.24);
}
.article-head h1{
  font-size:clamp(1.75rem,3.4vw,2.6rem);line-height:1.24;letter-spacing:-.02em;
  font-weight:800;margin:16px 0 0;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;
  font-size:13.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);opacity:.55}
.meta-row .em{color:var(--accent);font-weight:500}

/* ---------- 头图 ---------- */
.hero-figure{
  margin:8px 0 0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.09);
  background:linear-gradient(135deg,#0d1a24,#0a1220);
  box-shadow:var(--shadow-card);
}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.figcap{font-size:13px;color:var(--ink-3);margin-top:10px}

/* ---------- 文章布局 ---------- */
.article-layout{padding:44px 0 0}
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--ink-2);
}
.article-body h2{
  position:relative;font-size:clamp(1.3rem,2.2vw,1.6rem);line-height:1.42;
  font-weight:700;margin:48px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 14px rgba(47,227,176,.6);
}
.article-body h3{font-size:1.125rem;font-weight:600;margin:32px 0 12px;color:var(--ink-1)}
.article-body p{margin:0 0 1.15em}
.article-body strong{color:var(--ink-1)}
.article-body a{color:var(--link);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(127,212,255,.35)}
.article-body a:hover{color:var(--brand);text-decoration-color:var(--brand)}
.article-body ul,.article-body ol{margin:0 0 1.3em;list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(47,227,176,.55);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:.6em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.15em;font-size:13px;font-weight:700;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;background:rgba(255,255,255,.045);color:var(--ink-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:28px auto;border:1px solid rgba(255,255,255,.08)}
.article-body hr{border:0;height:1px;background:rgba(255,255,255,.09);margin:36px 0}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}

/* ---------- 目录 ---------- */
.toc-title{font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;border-left:1px solid rgba(255,255,255,.09)}
.toc-list a{
  position:relative;display:block;padding:8px 0 8px 16px;
  font-size:13.5px;line-height:1.55;color:var(--ink-3);
}
.toc-list a::before{
  content:"";position:absolute;left:-1px;top:7px;bottom:7px;width:2px;border-radius:2px;
  background:transparent;transition:background .2s ease;
}
.toc-list a:hover{color:var(--ink-1)}
.toc-list a.is-active{color:var(--brand)}
.toc-list a.is-active::before{background:var(--brand);box-shadow:0 0 10px rgba(47,227,176,.7)}
.toc-mobile{
  display:block;margin:0 0 28px;padding:0 18px;border-radius:16px;
  border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.03);
}
.toc-mobile summary{
  cursor:pointer;list-style:none;padding:14px 0;font-size:14px;font-weight:600;color:var(--ink-1);
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";float:right;color:var(--brand);font-weight:700}
.toc-mobile[open] summary::after{content:"−"}
.toc-mobile .toc-list{padding-bottom:14px;border-left:0}
.toc-mobile .toc-list a{padding-left:0}
.toc-mobile .toc-list a::before{display:none}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:46px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--ink-2);
}
.tag:hover{color:var(--brand);border-color:rgba(47,227,176,.45)}

/* ---------- 上下篇 ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}
.pager a{
  display:block;padding:18px 20px;border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.035);
  transition:transform .2s ease,border-color .2s ease;
}
.pager a:hover{transform:translateY(-3px);border-color:rgba(47,227,176,.35)}
.pager .lab{font-size:12.5px;letter-spacing:.06em;color:var(--ink-3)}
.pager .ttl{
  margin-top:8px;font-size:15px;font-weight:600;line-height:1.5;color:var(--ink-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pager a:hover .ttl{color:var(--brand)}
.pager .right{text-align:right}

/* ---------- 相关推荐 ---------- */
.section-block{padding:72px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.sec-head h2{font-size:clamp(1.35rem,2.4vw,1.7rem);font-weight:700;line-height:1.3}
.sec-head p{margin:8px 0 0;font-size:14px;color:var(--ink-3)}
.sec-more{font-size:14px;color:var(--link);white-space:nowrap}
.sec-more:hover{color:var(--brand)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.035);
  transition:transform .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(47,227,176,.35)}
.rel-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#0d1a24,#0a1220);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:18px}
.rel-body h3{
  font-size:15.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-body p{
  margin:10px 0 0;font-size:13.5px;line-height:1.7;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-foot{display:flex;align-items:center;justify-content:space-between;padding:0 18px 18px;font-size:12.5px;color:var(--ink-3)}
.rel-foot .arrow{color:var(--brand)}

/* ---------- 返回入口 ---------- */
.back-row{display:flex;justify-content:center;padding:56px 0 0}
.back-row .btn-x{min-width:200px}

/* ---------- 空态 ---------- */
.empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  padding:48px 24px;min-height:220px;border-radius:var(--r-panel);
  border:1px dashed rgba(255,255,255,.14);background:rgba(255,255,255,.02);
}
.empty .ico{
  width:52px;height:52px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(47,227,176,.3);color:var(--brand);margin-bottom:16px;
}
.empty h2{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.empty p{margin:0 0 20px;font-size:14px;color:var(--ink-3)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:88px;background:#050810;
  border-top:1px solid rgba(255,255,255,.07);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,176,.15),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:64px 0 44px}
.footer-brand .main{font-size:21px;font-weight:800;letter-spacing:-.01em}
.footer-brand .sub{font-size:12.5px;font-weight:600;color:var(--brand);letter-spacing:.06em;margin-top:3px}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;color:var(--ink-3);max-width:34ch}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);color:var(--ink-2);
}
.social-row a:hover{color:var(--brand);border-color:rgba(47,227,176,.45);background:rgba(47,227,176,.08)}
.footer-col h4{font-size:14px;font-weight:600;margin:0 0 16px}
.footer-col a{display:block;font-size:14px;color:var(--ink-3);padding:7px 0}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;color:var(--ink-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);color:var(--ink-2);cursor:pointer;
  transition:color .18s,border-color .18s;
}
.to-top:hover{color:var(--brand);border-color:rgba(47,227,176,.45)}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- 断点 ---------- */
@media (min-width:1200px){
  .article-layout{
    display:grid;grid-template-columns:760px 240px;gap:56px;
    justify-content:center;align-items:start;
  }
  .article-body{max-width:none}
  .article-toc{position:sticky;top:100px}
  .toc-mobile{display:none}
}
@media (max-width:1199px){
  .article-toc{display:none}
  .article-body{margin:0 auto}
}
@media (max-width:991px){
  .dock-menu{display:none}
  .dock-burger{display:inline-flex}
  .dock-actions .btn-brand{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .section-block{padding:56px 0 0}
}
@media (max-width:767px){
  body{font-size:15px;padding-bottom:0}
  .dock{padding:8px 10px 8px 16px}
  .dock-logo .main{font-size:17px}
  .crumbs{padding-top:104px}
  .article-head{padding:20px 0 24px}
  .article-body{font-size:16px;line-height:1.85}
  .pager{grid-template-columns:1fr}
  .pager .right{text-align:left}
  .back-row{padding:40px 0 0}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start}
  .hero-figure{border-radius:14px}
}

/* roulang page: category2 */
:root{
  --bg-0:#070A12;
  --bg-1:#0B111D;
  --glass:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.09);
  --brand:#2FE3B0;
  --brand-2:#12B98C;
  --brand-haze:rgba(47,227,176,.14);
  --accent:#FF9A3C;
  --link:#7FD4FF;
  --ink-1:#E9F0F8;
  --ink-2:#A6B4C8;
  --ink-3:#6E7D94;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:14px;
  --r-input:12px;
  --r-img:14px;
  --shadow-card:0 18px 50px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.06);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:clamp(72px,8vw,112px);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
html,body{overflow-x:hidden;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:'HarmonyOS Sans SC','PingFang SC','Source Han Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}

.bg-deco{position:fixed;inset:0;pointer-events:none;z-index:0;}
.bg-deco::before{
  content:"";position:absolute;top:0;left:0;right:0;height:720px;
  background:radial-gradient(ellipse at 50% 0,rgba(47,227,176,.10),transparent 70%);
}
.bg-deco::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
}
.bg-deco .glow-br{
  position:absolute;right:-140px;bottom:-180px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,154,60,.06),transparent 70%);
}

.page{position:relative;z-index:1;}

.container-x{max-width:1180px;margin:0 auto;padding:0 24px;}
@media(min-width:1400px){.container-x{max-width:1320px;}}

/* ===== Dock 导航 ===== */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 14px 10px 20px;border-radius:999px;
  background:rgba(10,14,24,.72);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 14px 40px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
  z-index:1030;
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-scrolled{
  background:rgba(8,11,19,.88);
  box-shadow:0 20px 52px rgba(0,0,0,.62),inset 0 1px 0 rgba(255,255,255,.06);
}
.dock-logo{display:flex;flex-direction:column;line-height:1.08;flex-shrink:0;}
.dock-logo .main{font-size:1.05rem;font-weight:800;letter-spacing:-.02em;color:var(--ink-1);}
.dock-logo .sub{font-size:.62rem;font-weight:600;letter-spacing:.16em;color:var(--brand);}
.dock-menu{display:flex;align-items:center;gap:4px;}
.dock-menu a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:.9rem;color:var(--ink-2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.dock-menu a:hover{color:var(--ink-1);background:rgba(255,255,255,.05);}
.dock-menu a.active{color:var(--brand);}
.dock-menu a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:99px;background:var(--brand);
  box-shadow:0 0 12px rgba(47,227,176,.85);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);color:var(--ink-2);
  cursor:pointer;transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(47,227,176,.45);background:rgba(47,227,176,.08);}
.dock-burger{display:none;}

/* ===== 按钮体系 ===== */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:.92rem;
  padding:12px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.btn-brand{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  color:#05130E;box-shadow:inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-brand:hover{transform:translateY(-2px);color:#05130E;box-shadow:0 10px 30px rgba(47,227,176,.35),inset 0 1px 0 rgba(255,255,255,.35);}
.btn-ghost{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.14);color:var(--ink-1);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand);box-shadow:inset 0 0 22px rgba(47,227,176,.12);}
.btn-accent{background:rgba(255,154,60,.12);border-color:var(--accent);color:var(--accent);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,154,60,.22);}
.btn-sm{padding:10px 16px;font-size:.84rem;border-radius:12px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:0;}

/* ===== 页头 ===== */
.page-head{padding-top:126px;padding-bottom:0;}
.page-head-grid{display:grid;grid-template-columns:1fr 360px;gap:44px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--ink-3);margin-bottom:16px;}
.crumb a{color:var(--ink-3);transition:color .18s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--ink-1);}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-haze);border:1px solid rgba(47,227,176,.32);
  color:var(--brand);font-size:.76rem;font-weight:600;letter-spacing:.06em;
  margin-bottom:18px;
}
.badge-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
.page-head h1{
  font-size:clamp(2.05rem,4.6vw,3.35rem);
  font-weight:800;line-height:1.16;letter-spacing:-.02em;
  margin-bottom:18px;
}
.page-head h1 em{font-style:normal;color:var(--brand);}
.lead{font-size:1.06rem;color:var(--ink-2);max-width:600px;margin-bottom:26px;}
.meta-strip{
  display:flex;flex-wrap:wrap;gap:10px 12px;margin-bottom:8px;
}
.meta-chip{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:9px 16px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  font-size:.82rem;color:var(--ink-2);
}
.meta-chip b{
  font-weight:500;color:var(--accent);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.page-head-media{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(150deg,#0d1a24,#070A12 65%);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
}
.page-head-media img{width:100%;height:100%;object-fit:cover;}
.media-tag{
  position:absolute;left:14px;bottom:14px;
  padding:6px 12px;border-radius:999px;
  background:rgba(8,11,19,.78);border:1px solid rgba(255,255,255,.12);
  font-size:.74rem;color:var(--ink-2);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}

/* ===== 通用区块 ===== */
.section{padding:var(--sec) 0;}
.section-tight{padding:calc(var(--sec) * .62) 0;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:42px;}
.sec-head h2{
  font-size:clamp(1.45rem,2.6vw,1.95rem);font-weight:700;line-height:1.3;
  letter-spacing:-.01em;
}
.sec-head h2 span{color:var(--brand);}
.sec-head p{color:var(--ink-2);font-size:.95rem;max-width:620px;margin-top:10px;}
.glow-line{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,transparent,rgba(47,227,176,.35),transparent);
}

/* ===== 平台卡 ===== */
.platform-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.platform-card{
  position:relative;padding:26px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.platform-card:hover{transform:translateY(-3px);border-color:rgba(47,227,176,.35);}
.platform-top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.platform-icon{
  width:46px;height:46px;flex-shrink:0;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(47,227,176,.1);border:1px solid rgba(47,227,176,.28);color:var(--brand);
}
.platform-top h3{font-size:1.125rem;font-weight:600;}
.platform-top .ver{
  font-size:.78rem;color:var(--ink-3);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.platform-card .desc{color:var(--ink-2);font-size:.94rem;margin-bottom:18px;}
.mini-list{border-top:1px solid rgba(255,255,255,.07);margin-bottom:20px;}
.mini-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px solid rgba(255,255,255,.07);
  font-size:.85rem;color:var(--ink-2);
}
.mini-list li:last-child{border-bottom:0;}
.mini-list li b{
  font-weight:500;color:var(--accent);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ===== 安装步骤横向轨道 ===== */
.step-track{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.step-track::-webkit-scrollbar{height:6px;}
.step-track::-webkit-scrollbar-thumb{background:rgba(47,227,176,.28);border-radius:99px;}
.step-card{
  flex:0 0 calc((100% - 54px) / 4);
  min-width:248px;scroll-snap-align:start;
  padding:26px 24px 24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.038);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-3px);border-color:rgba(47,227,176,.3);}
.step-num{
  font-size:2.4rem;font-weight:700;line-height:1;color:var(--ink-3);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  margin-bottom:16px;letter-spacing:-.03em;
}
.step-card h3{font-size:1.05rem;font-weight:600;margin-bottom:10px;}
.step-card p{font-size:.9rem;color:var(--ink-2);}
.notice-line{
  margin-top:16px;padding-left:12px;
  border-left:3px solid var(--accent);
  font-size:.82rem;color:var(--ink-2);line-height:1.7;
}

/* ===== 校验面板 ===== */
.check-panel{
  display:grid;grid-template-columns:400px 1fr;gap:36px;
  padding:30px;border-radius:var(--r-panel);
  background:linear-gradient(150deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
}
.check-media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;
  border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(150deg,#0e1c26,#070A12);
}
.check-media img{width:100%;height:100%;object-fit:cover;}
.check-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.check-group h3{
  display:flex;align-items:center;gap:9px;
  font-size:1rem;font-weight:600;margin-bottom:14px;color:var(--ink-1);
}
.check-group h3 svg{color:var(--brand);flex-shrink:0;}
.check-group li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:.9rem;color:var(--ink-2);
}
.check-group li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(47,227,176,.6);
}

/* ===== FAQ ===== */
.faq-acc .accordion-item{
  background:transparent;border:0;margin-bottom:14px;
}
.faq-acc .accordion-button{
  position:relative;width:100%;display:block;
  padding:18px 54px 18px 20px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:16px;
  color:var(--ink-1);font-size:15.5px;font-weight:600;line-height:1.6;
  box-shadow:none;transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);background:rgba(47,227,176,.08);
  border-color:rgba(47,227,176,.45);box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:0;}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;
  width:18px;height:18px;margin:0;transform:translateY(-50%);
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
  background-size:12px 2px,2px 12px;
  background-position:center,center;
  background-repeat:no-repeat,no-repeat;
  transition:transform .25s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.faq-acc .accordion-body{
  padding:16px 20px 4px;color:var(--ink-2);font-size:.92rem;
}

/* ===== CTA 条 ===== */
.cta-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:30px 32px;border-radius:var(--r-panel);
  background:linear-gradient(120deg,rgba(47,227,176,.12),rgba(255,255,255,.02) 60%);
  border:1px solid rgba(47,227,176,.28);
  box-shadow:var(--shadow-card);
}
.cta-strip h2{font-size:1.28rem;font-weight:700;margin-bottom:6px;}
.cta-strip p{color:var(--ink-2);font-size:.92rem;}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;margin-top:40px;
  background:#05080F;border-top:1px solid rgba(255,255,255,.07);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,176,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand .main{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;}
.footer-brand .sub{font-size:.72rem;font-weight:600;letter-spacing:.18em;color:var(--brand);margin-bottom:14px;}
.footer-brand p{color:var(--ink-3);font-size:.86rem;max-width:340px;margin-bottom:18px;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);color:var(--ink-2);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.social-row a:hover{color:var(--brand);border-color:rgba(47,227,176,.45);}
.footer-col h4{font-size:.92rem;font-weight:600;margin-bottom:14px;color:var(--ink-1);}
.footer-col a{display:block;color:var(--ink-3);font-size:.88rem;padding:6px 0;transition:color .18s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.07);
  color:var(--ink-3);font-size:.82rem;
}
.to-top{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:999px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  color:var(--ink-2);font-size:.8rem;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.to-top:hover{color:var(--brand);border-color:rgba(47,227,176,.45);}

/* ===== 搜索覆盖层 ===== */
.search-layer{
  position:fixed;inset:0;z-index:1080;display:none;
  background:rgba(6,9,16,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:120px 24px 40px;
}
.search-layer.open{display:block;}
.search-inner{max-width:640px;margin:0 auto;}
.search-inner form{display:flex;gap:10px;}
.search-inner input{
  flex:1;padding:14px 18px;border-radius:var(--r-input);
  background:var(--bg-1);border:1px solid var(--line);color:var(--ink-1);
  font-size:.95rem;
}
.search-inner input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,227,176,.16);}
.hot-words{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.hot-words a{
  padding:7px 14px;border-radius:999px;font-size:.8rem;color:var(--ink-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.hot-words a:hover{color:var(--brand);border-color:rgba(47,227,176,.45);}
.search-close{
  display:block;margin:26px auto 0;padding:9px 18px;border-radius:999px;cursor:pointer;
  background:transparent;border:1px solid var(--line);color:var(--ink-3);font-size:.82rem;
}

/* ===== 移动端底部条 ===== */
.mobile-bar{display:none;}

/* ===== 响应式 ===== */
@media(max-width:1199px){
  .page-head-grid{grid-template-columns:1fr 300px;gap:32px;}
  .check-panel{grid-template-columns:1fr;gap:26px;}
  .step-card{flex:0 0 calc((100% - 36px) / 3);}
}
@media(max-width:991px){
  .dock-menu{display:none;}
  .dock-burger{display:inline-flex;}
  .page-head{padding-top:112px;}
  .page-head-grid{grid-template-columns:1fr;gap:26px;}
  .page-head-media{max-width:520px;}
  .platform-grid{grid-template-columns:1fr;}
  .check-cols{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step-card{flex:0 0 76%;}
}
@media(max-width:767px){
  body{font-size:15px;padding-bottom:76px;}
  .container-x{padding:0 18px;}
  .section{padding:56px 0;}
  .section-tight{padding:40px 0;}
  .page-head{padding-top:100px;}
  .page-head h1{font-size:clamp(1.85rem,7.2vw,2.4rem);}
  .btn-row .btn-x{flex:1 1 100%;}
  .step-track{flex-direction:column;overflow:visible;padding-bottom:0;}
  .step-card{flex:1 1 auto;min-width:0;width:100%;}
  .cta-strip{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:1050;
    display:flex;align-items:center;gap:12px;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    background:rgba(8,11,19,.82);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-top:1px solid rgba(255,255,255,.1);
  }
  .mobile-bar .mb-text{flex:1;font-size:.78rem;color:var(--ink-3);line-height:1.5;}
  .mobile-bar .mb-text b{display:block;color:var(--ink-1);font-size:.88rem;font-weight:600;}
  .mobile-bar .btn-x{white-space:nowrap;}
}
@media(max-width:519px){
  .meta-strip{gap:8px;}
  .meta-chip{padding:8px 12px;font-size:.78rem;}
  .platform-card{padding:22px 18px;}
  .check-panel{padding:20px 18px;}
}

@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070A12;
  --bg-1:#0B111D;
  --glass:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.09);
  --brand:#2FE3B0;
  --brand-2:#12B98C;
  --brand-mist:rgba(47,227,176,.14);
  --accent:#FF9A3C;
  --link:#7FD4FF;
  --ink-1:#E9F0F8;
  --ink-2:#A6B4C8;
  --ink-3:#6E7D94;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:14px;
  --r-input:12px;
  --r-img:14px;
  --shadow-glass:0 18px 50px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-soft:0 12px 32px rgba(0,0,0,.32);
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Source Han Sans SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.bg-deco{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(720px 720px at 50% -160px, rgba(47,227,176,.10), transparent 72%),
    radial-gradient(620px 620px at 104% 96%, rgba(255,154,60,.06), transparent 72%);
}
.bg-deco::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 70%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 70%);
}

.page{position:relative;z-index:1}

.container-x{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1180px, calc(100% - 32px));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:10px 14px 10px 20px;
  border-radius:999px;
  background:rgba(10,14,24,.72);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 14px 40px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  z-index:1000;
  transition:background .25s ease, box-shadow .25s ease;
}
.dock.is-scrolled{
  background:rgba(8,11,19,.88);
  box-shadow:0 20px 54px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.07);
}
.dock-logo{
  display:flex;
  flex-direction:column;
  line-height:1.14;
  flex:0 0 auto;
}
.dock-logo .main{
  font-size:1.0625rem;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--ink-1);
}
.dock-logo .sub{
  font-size:.6875rem;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--brand);
}
.dock-menu{
  display:flex;
  align-items:center;
  gap:2px;
}
.dock-menu a{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:.875rem;
  color:var(--ink-2);
  transition:color .18s ease, background .18s ease;
}
.dock-menu a:hover{color:var(--ink-1);background:rgba(255,255,255,.05)}
.dock-menu a.active{color:var(--brand)}
.dock-menu a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  transform:translateX(-50%);
  width:18px;
  height:3px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(47,227,176,.75);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--ink-2);
  cursor:pointer;
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(47,227,176,.5);background:var(--brand-mist)}
.dock-burger{display:none}

/* ---------- 按钮体系 ---------- */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--r-btn);
  font-size:.9375rem;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn-brand{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  color:#05130E;
  box-shadow:0 8px 24px rgba(47,227,176,.22), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-brand:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(47,227,176,.35), inset 0 1px 0 rgba(255,255,255,.45);
  color:#05130E;
}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(255,255,255,.14);
  color:var(--ink-1);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--brand);
  box-shadow:inset 0 0 0 1px rgba(47,227,176,.32), 0 0 24px rgba(47,227,176,.14);
  color:var(--ink-1);
}
.btn-accent{
  background:rgba(255,154,60,.12);
  border-color:rgba(255,154,60,.55);
  color:var(--accent);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,154,60,.2)}
.btn-sm{padding:9px 16px;font-size:.8125rem;border-radius:12px}

/* ---------- 页面头 ---------- */
.page-head{
  position:relative;
  padding:148px 0 64px;
  overflow:hidden;
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg, rgba(7,10,18,.82), rgba(7,10,18,.94)), url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.55;
  z-index:0;
}
.page-head .container-x{position:relative;z-index:1}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--ink-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumb a{color:var(--ink-3);transition:color .18s ease}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.2)}
.crumb .now{color:var(--ink-1)}

.head-grid{
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:48px;
  align-items:end;
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(18,185,140,.22);
  border:1px solid rgba(47,227,176,.32);
  color:var(--brand);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.08em;
  margin-bottom:18px;
}
h1{
  font-size:clamp(2.05rem,4.6vw,3.15rem);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
h1 em{font-style:normal;color:var(--brand)}
.head-lead{
  font-size:1.0625rem;
  color:var(--ink-2);
  max-width:620px;
}
.head-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  font-size:.8125rem;
  color:var(--ink-2);
}
.chip b{
  color:var(--accent);
  font-weight:500;
  font-variant-numeric:tabular-nums;
}

/* 页头搜索表单 */
.help-search{
  padding:24px;
  border-radius:var(--r-panel);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
}
.help-search h2{
  font-size:1rem;
  font-weight:700;
  margin-bottom:6px;
}
.help-search p{
  font-size:.8125rem;
  color:var(--ink-3);
  margin-bottom:16px;
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.field label{font-size:.8125rem;color:var(--ink-2)}
.field input{
  width:100%;
  min-height:48px;
  padding:0 14px;
  border-radius:var(--r-input);
  background:var(--bg-1);
  border:1px solid var(--line);
  color:var(--ink-1);
  font-size:.9375rem;
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(47,227,176,.16), 0 0 20px rgba(47,227,176,.12);
}
.hot-words{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.07);
}
.hot-words span{font-size:.75rem;color:var(--ink-3);align-self:center}
.hot-words a{
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  font-size:.75rem;
  color:var(--ink-2);
  transition:color .18s ease, border-color .18s ease;
}
.hot-words a:hover{color:var(--brand);border-color:rgba(47,227,176,.4)}

/* 指标条 */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:44px;
  padding-top:32px;
  border-top:1px solid rgba(255,255,255,.07);
}
.metric b{
  display:block;
  font-size:1.75rem;
  font-weight:500;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric span{font-size:.8125rem;color:var(--ink-3)}

/* ---------- 主体布局 ---------- */
.section{padding:72px 0}
.help-layout{
  display:grid;
  grid-template-columns:252px minmax(0,1fr);
  gap:44px;
  align-items:start;
}

/* 粘性目录 */
.toc{
  position:sticky;
  top:104px;
  padding:22px 18px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
}
.toc h2{
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--ink-3);
  margin-bottom:12px;
  padding-left:4px;
}
.toc a{
  position:relative;
  display:block;
  padding:11px 12px 11px 16px;
  border-radius:10px;
  font-size:.875rem;
  color:var(--ink-2);
  transition:color .18s ease, background .18s ease;
}
.toc a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:2px;
  height:0;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(47,227,176,.7);
  transition:height .22s ease;
}
.toc a:hover{color:var(--ink-1);background:rgba(255,255,255,.05)}
.toc a.active{color:var(--brand);background:var(--brand-mist)}
.toc a.active::before{height:20px}

/* 移动端胶囊目录 */
.toc-mobile{
  display:none;
  gap:8px;
  overflow-x:auto;
  padding:4px 0 12px;
  margin-bottom:8px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.toc-mobile::-webkit-scrollbar{display:none}
.toc-mobile a{
  flex:0 0 auto;
  padding:9px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  font-size:.8125rem;
  color:var(--ink-2);
  min-height:40px;
  display:inline-flex;
  align-items:center;
}
.toc-mobile a.active{background:var(--brand-mist);border-color:rgba(47,227,176,.45);color:var(--brand)}

/* FAQ 分组 */
.faq-group{margin-bottom:52px}
.faq-group:last-child{margin-bottom:0}
.faq-group > h2{
  position:relative;
  font-size:clamp(1.35rem,2.4vw,1.7rem);
  font-weight:700;
  line-height:1.3;
  padding-left:16px;
  margin-bottom:10px;
}
.faq-group > h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:3px;
  height:1.05em;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(47,227,176,.6);
}
.faq-group > p{
  font-size:.875rem;
  color:var(--ink-3);
  margin-bottom:22px;
  padding-left:16px;
}

/* 手风琴重写 */
.accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:transparent;
  --bs-accordion-border-width:0;
  --bs-accordion-btn-color:var(--ink-1);
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-color:var(--brand);
  --bs-accordion-active-bg:transparent;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-body-color:var(--ink-2);
  --bs-accordion-btn-padding-x:0;
  --bs-accordion-btn-padding-y:0;
  --bs-accordion-body-padding-x:0;
  --bs-accordion-body-padding-y:0;
}
.accordion-item{
  background:var(--glass);
  border:1px solid var(--line) !important;
  border-radius:16px !important;
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--shadow-soft);
  transition:border-color .2s ease, transform .2s ease;
}
.accordion-item:hover{border-color:rgba(47,227,176,.28) !important}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(47,227,176,.45) !important;
  box-shadow:0 14px 40px rgba(0,0,0,.4), 0 0 0 1px rgba(47,227,176,.1);
}
.accordion-header{margin:0}
.accordion-button{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 22px !important;
  font-size:.9375rem;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  background:transparent !important;
  border:0;
}
.accordion-button:not(.collapsed){color:var(--brand) !important;box-shadow:none}
.accordion-button:focus{box-shadow:none;border:0}
.accordion-button::after{
  content:"+";
  flex:0 0 auto;
  width:14px;
  height:14px;
  background-image:none !important;
  font-size:1.25rem;
  font-weight:400;
  line-height:14px;
  color:var(--ink-3);
  display:flex;
  align-items:center;
  justify-content:center;
  transform:none;
  transition:transform .22s ease, color .22s ease;
}
.accordion-button:hover::after{color:var(--ink-1)}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand)}
.accordion-body{
  padding:0 22px 20px !important;
  font-size:.9375rem;
  line-height:1.9;
  color:var(--ink-2);
  border-top:1px solid rgba(255,255,255,.07);
  margin-top:-1px;
  padding-top:16px !important;
}
.accordion-body .tip{
  display:flex;
  gap:10px;
  margin-top:14px;
  padding:12px 14px;
  border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  background:rgba(255,154,60,.07);
  font-size:.8125rem;
  color:var(--ink-2);
}
.accordion-body .tip b{color:var(--accent);font-weight:600}

/* 仍未解决面板 */
.unresolved{
  position:relative;
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:40px;
  align-items:center;
  padding:44px;
  border-radius:var(--r-panel);
  background:linear-gradient(135deg, rgba(47,227,176,.08), rgba(255,255,255,.035) 55%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  overflow:hidden;
}
.unresolved::before{
  content:"";
  position:absolute;
  top:0;
  left:44px;
  right:44px;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(47,227,176,.5), transparent);
}
.unresolved h2{
  font-size:clamp(1.35rem,2.4vw,1.7rem);
  font-weight:700;
  line-height:1.3;
  margin-bottom:12px;
}
.unresolved p{color:var(--ink-2);font-size:.9375rem;max-width:520px}
.unresolved .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.unresolved-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  background:linear-gradient(140deg,#0d1524,#0a1019 70%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
  aspect-ratio:16/10;
}
.unresolved-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}

/* 相关条目紧凑行 */
.mini-list{display:flex;flex-direction:column;gap:12px}
.mini-row{
  display:flex;
  gap:18px;
  align-items:center;
  padding:18px 20px;
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .18s ease, border-color .18s ease;
}
.mini-row:hover{transform:translateY(-3px);border-color:rgba(47,227,176,.35)}
.mini-date{
  flex:0 0 76px;
  font-size:.8125rem;
  font-weight:500;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.mini-body{flex:1;min-width:0;border-left:1px solid rgba(255,255,255,.09);padding-left:18px}
.mini-body h3{
  font-size:1rem;
  font-weight:600;
  line-height:1.5;
  margin-bottom:4px;
  transition:color .18s ease;
}
.mini-row:hover .mini-body h3{color:var(--brand)}
.mini-body p{
  font-size:.8125rem;
  color:var(--ink-3);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.mini-tag{
  flex:0 0 auto;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  font-size:.75rem;
  color:var(--ink-2);
}

/* 通用区块标题 */
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.sec-head h2{
  font-size:clamp(1.45rem,2.6vw,1.95rem);
  font-weight:700;
  line-height:1.3;
}
.sec-head p{font-size:.875rem;color:var(--ink-3);margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:80px;
  padding:64px 0 28px;
  background:#05070D;
  border-top:1px solid rgba(255,255,255,.07);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(47,227,176,.45), transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .main{
  font-size:1.25rem;
  font-weight:800;
  letter-spacing:.01em;
}
.footer-brand .sub{
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--brand);
  margin-bottom:14px;
}
.footer-brand p{
  font-size:.875rem;
  color:var(--ink-3);
  max-width:320px;
  margin-bottom:18px;
}
.social-row{display:flex;gap:10px}
.social-row a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--ink-2);
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.social-row a:hover{color:var(--brand);border-color:rgba(47,227,176,.45);background:var(--brand-mist)}
.footer-col h4{
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--ink-2);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  padding:5px 0;
  font-size:.875rem;
  color:var(--ink-3);
  transition:color .18s ease, padding-left .18s ease;
}
.footer-col a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.07);
  font-size:.8125rem;
  color:var(--ink-3);
  flex-wrap:wrap;
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:40px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:.8125rem;
  cursor:pointer;
  transition:color .18s ease, border-color .18s ease;
}
.to-top:hover{color:var(--brand);border-color:rgba(47,227,176,.45)}

/* 移动端底部条 */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:900;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(8,11,19,.86);
  border-top:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
}
.mobile-bar .btn-x{width:100%}

/* 搜索覆盖层 */
.search-layer{
  position:fixed;
  inset:0;
  z-index:1100;
  display:none;
  align-items:flex-start;
  justify-content:center;
  padding:120px 24px 40px;
  background:rgba(4,6,12,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.search-layer.open{display:flex}
.search-layer .inner{
  width:100%;
  max-width:640px;
  padding:28px;
  border-radius:var(--r-panel);
  background:rgba(11,17,29,.92);
  border:1px solid var(--line);
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.search-layer h2{font-size:1.125rem;font-weight:700;margin-bottom:6px}
.search-layer p{font-size:.8125rem;color:var(--ink-3);margin-bottom:18px}
.search-layer .close{
  float:right;
  background:transparent;
  border:0;
  color:var(--ink-3);
  font-size:1.25rem;
  cursor:pointer;
  line-height:1;
  min-width:44px;
  min-height:44px;
}
.search-layer .close:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .container-x{max-width:1320px}
}
@media (max-width:1199px){
  .head-grid{grid-template-columns:1fr;gap:36px;align-items:start}
  .help-layout{grid-template-columns:1fr;gap:0}
  .toc{display:none}
  .toc-mobile{display:flex}
  .unresolved{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:991px){
  .dock-menu{display:none}
  .dock-burger{display:inline-flex}
  .metrics{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15px;padding-bottom:72px}
  .container-x{padding:0 18px}
  .page-head{padding:126px 0 48px}
  .section{padding:56px 0}
  .btn-x{width:100%}
  .dock-actions .btn-x{display:none}
  .help-search .btn-x{width:100%}
  .accordion-button{padding:16px 18px !important;font-size:.906rem}
  .accordion-body{padding:0 18px 18px !important;padding-top:14px !important}
  .unresolved{padding:26px;border-radius:var(--r-card)}
  .unresolved::before{left:26px;right:26px}
  .mini-row{flex-wrap:wrap;gap:10px}
  .mini-date{flex:0 0 auto}
  .mini-body{border-left:0;padding-left:0;flex:1 1 100%}
  .mini-body p{white-space:normal}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-bar{display:block}
  .search-layer{padding:96px 16px 32px}
}
@media (max-width:520px){
  h1{font-size:1.85rem}
  .metrics{grid-template-columns:1fr 1fr}
  .metric b{font-size:1.5rem}
  .hot-words{gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

.offcanvas.nav-drawer{
  background:rgba(8,11,19,.94);
  border-left:1px solid rgba(255,255,255,.09);
  border-radius:20px 0 0 20px;
  color:var(--ink-1);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  --bs-offcanvas-width:320px;
}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.07);padding:20px}
.nav-drawer .offcanvas-title{font-size:1rem;font-weight:700;color:var(--ink-1)}
.nav-drawer .btn-close{
  filter:invert(1) grayscale(1) brightness(1.6);
  opacity:.7;
}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  font-size:.9375rem;
  color:var(--ink-2);
  transition:color .18s ease, background .18s ease;
}
.drawer-link:hover{color:var(--ink-1);background:rgba(255,255,255,.05)}
.drawer-link.active{color:var(--brand);background:var(--brand-mist)}