/* roulang page: index */
:root{
  --bg:#070A18;
  --bg-2:#0C1226;
  --bg-3:#05070F;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.10);
  --primary:#6C5CE7;
  --primary-deep:#4B3FD0;
  --primary-soft:#9C8FFF;
  --accent:#34E0D8;
  --spark:#FFC94A;
  --text:#EAF0FF;
  --text-2:#A9B4D0;
  --text-3:#6F7A9C;
  --ok:#3DD68C;
  --warn:#FFB020;
  --danger:#FF6B81;
  --radius-xl:28px;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 20px 60px -30px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body.page-body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
html body.page-body h1,
html body.page-body h2,
html body.page-body h3,
html body.page-body h4{
  margin:0;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
}
html body.page-body p{margin:0}
html body.page-body a{color:inherit;text-decoration:none}
html body.page-body ul,html body.page-body ol{margin:0;padding:0;list-style:none}
html body.page-body img{max-width:100%;display:block}
html body.page-body button{font-family:inherit}
html body.page-body input,html body.page-body textarea{font-family:inherit}
::selection{background:rgba(108,92,231,.5);color:#fff}
.backdrop-glow{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 88% 4%, rgba(108,92,231,.16), transparent 70%),
    radial-gradient(560px 460px at 2% 72%, rgba(52,224,216,.09), transparent 72%);
}
.page-shell{position:relative;z-index:1}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.section{padding:104px 0;position:relative}
.section--alt{background:var(--bg-2);border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.section-head{margin-bottom:44px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--accent);
  padding:6px 12px;border-radius:999px;
  background:rgba(52,224,216,.08);border:1px solid rgba(52,224,216,.22);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25}
.h3{font-size:20px;line-height:1.4}
.lead{margin-top:14px;color:var(--text-2);font-size:16px;max-width:640px}
.muted{color:var(--text-3);font-size:14px}
.glass{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.glass-xl{border-radius:var(--radius-xl)}
/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;padding:12px 22px;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(118deg,var(--primary) 0%,var(--primary-deep) 58%,#2FA6C9 100%);
  color:#fff;
  box-shadow:0 10px 30px -6px rgba(108,92,231,.55);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 40px -6px rgba(108,92,231,.8)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 8px 22px -8px rgba(108,92,231,.7)}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border:1px solid var(--stroke);
  color:var(--text);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.text-link{
  color:var(--accent);font-size:14px;font-weight:600;position:relative;display:inline-flex;align-items:center;gap:6px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--accent);
  transition:width .26s var(--ease);
}
.text-link:hover::after{width:100%}
.text-link .arrow{transition:transform .24s var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}
/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:transparent;
  border-bottom:1px solid transparent;
  backdrop-filter:blur(0);
  -webkit-backdrop-filter:blur(0);
  transition:background-color .26s var(--ease),border-color .26s var(--ease),backdrop-filter .26s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,10,24,.72);
  border-bottom-color:rgba(255,255,255,.08);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.nav-top{
  display:flex;align-items:center;gap:20px;height:64px;
  transition:height .26s var(--ease);
}
.site-header.is-scrolled .nav-top{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;flex:0 0 38px}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.2}
.brand-text .brand-key{position:relative;color:#fff}
.brand-text .brand-key::after{
  content:"";position:absolute;right:-7px;top:1px;width:5px;height:5px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(52,224,216,.9);
}
.brand-text .brand-tail{color:var(--text-2);font-weight:600}
.nav-search{
  flex:1 1 auto;max-width:420px;position:relative;
}
.nav-search input{
  width:100%;height:40px;border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);
  color:var(--text);font-size:14px;
  padding:0 16px 0 40px;
  outline:none;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  border-color:rgba(52,224,216,.6);
  box-shadow:0 0 0 3px rgba(52,224,216,.16),0 0 24px -6px rgba(52,224,216,.6);
  background:rgba(255,255,255,.07);
}
.nav-search .search-icon{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--text-3);pointer-events:none;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.tabs-wrap{
  position:relative;
  border-top:1px solid transparent;
}
.tabs{
  display:flex;align-items:center;gap:8px;
  height:48px;overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tabs-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:48px;pointer-events:none;
  background:linear-gradient(90deg,rgba(7,10,24,0),rgba(7,10,24,.92));
}
.tab{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:color .24s var(--ease),background-color .24s var(--ease);
  display:inline-flex;align-items:center;gap:6px;
}
.tab::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);opacity:0;box-shadow:0 0 12px rgba(52,224,216,.9);
  transition:opacity .24s var(--ease);
}
.tab:hover{color:var(--text);background:rgba(255,255,255,.06)}
.tab.is-active{color:var(--accent);background:rgba(108,92,231,.14)}
.tab.is-active::after{opacity:1}
.tab:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* ===== hero ===== */
.hero{
  position:relative;padding:76px 0 64px;
  min-height:88vh;display:flex;align-items:center;
  scroll-margin-top:130px;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;width:100%}
.hero-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);letter-spacing:.06em;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  margin-bottom:22px;
}
.hero-brand .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px rgba(52,224,216,.9)}
.hero h1{
  font-size:clamp(32px,5vw,56px);
  line-height:1.15;
  margin-bottom:18px;
}
.hero h1 .accent-line{
  display:block;
  background:linear-gradient(96deg,#fff 10%,var(--primary-soft) 52%,var(--accent) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;line-height:1.75}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);
}
.trust-chip svg{width:15px;height:15px;color:var(--accent)}
.hero-visual{position:relative}
.device-panel{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:0 40px 90px -50px rgba(0,0,0,.95),inset 0 1px 0 rgba(255,255,255,.08);
  transform:rotate(-6deg);
  animation:floaty 8s ease-in-out infinite;
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.device-panel img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.92}
.device-panel .panel-scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,.15),rgba(7,10,24,.78));
}
.panel-bar{
  position:absolute;top:18px;left:20px;right:20px;
  display:flex;align-items:center;gap:8px;
}
.panel-bar .pip{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.24)}
.panel-bar .pip.on{background:var(--accent);box-shadow:0 0 10px rgba(52,224,216,.9)}
.panel-caption{
  position:absolute;left:22px;right:22px;bottom:20px;
}
.panel-caption .cap-title{font-size:16px;font-weight:700;color:#fff}
.panel-caption .cap-sub{font-size:13px;color:var(--text-2);margin-top:4px}
.float-card{
  position:absolute;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(12,18,38,.72);
  border:1px solid var(--stroke);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 20px 50px -30px rgba(0,0,0,.95);
  animation:floaty 8s ease-in-out infinite;
}
.float-card .fc-label{font-size:12px;color:var(--accent);letter-spacing:.06em}
.float-card .fc-value{font-size:14px;font-weight:700;color:#fff;margin-top:3px}
.float-card.one{top:8%;right:-18px;animation-delay:.6s}
.float-card.two{bottom:22%;left:-26px;animation-delay:1.4s}
.float-card.three{bottom:2%;right:6%;animation-delay:2.1s}
@keyframes floaty{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}
.device-panel{transform:rotate(-6deg) translateY(0)}
@keyframes panelFloat{
  0%,100%{transform:rotate(-6deg) translateY(0)}
  50%{transform:rotate(-6deg) translateY(-6px)}
}
.device-panel{animation:panelFloat 8s ease-in-out infinite}
/* ===== quickbar ===== */
.quickbar{
  position:sticky;top:104px;z-index:30;
  padding:14px 0 16px;
}
.quickbar-inner{
  display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:8px;border-radius:999px;
  background:rgba(12,18,38,.62);
  border:1px solid var(--stroke);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  scrollbar-width:none;
}
.quickbar-inner::-webkit-scrollbar{display:none}
.quick-pill{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-2);
  transition:color .24s var(--ease),background-color .24s var(--ease);
  display:inline-flex;align-items:center;gap:8px;
}
.quick-pill:hover{color:var(--text);background:rgba(255,255,255,.07)}
.quick-pill.is-active{color:var(--accent);background:rgba(52,224,216,.10);border:1px solid rgba(52,224,216,.25)}
.quick-pill .idx{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
/* ===== features ===== */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:52px 0;border-top:1px solid rgba(255,255,255,.06);
}
.feature-row:first-of-type{border-top:0;padding-top:8px}
.feature-row.flip .feature-media{order:-1}
.feature-index{
  font-size:clamp(38px,6vw,64px);font-weight:800;line-height:1;
  color:var(--accent);font-variant-numeric:tabular-nums;
  letter-spacing:-.04em;
  text-shadow:0 0 34px rgba(52,224,216,.35);
}
.feature-body h3{margin:14px 0 12px}
.feature-body p{color:var(--text-2);font-size:15.5px}
.feature-list{margin-top:18px;display:grid;gap:10px}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.feature-list li svg{width:16px;height:16px;flex:0 0 16px;margin-top:6px;color:var(--accent)}
.feature-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--stroke);position:relative}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.feature-media:hover img{transform:scale(1.03)}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(108,92,231,.16),transparent 55%);
  pointer-events:none;
}
/* ===== demo track ===== */
.track-wrap{position:relative}
.track{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 26px;
  scrollbar-width:thin;
  scrollbar-color:rgba(108,92,231,.6) transparent;
}
.track::-webkit-scrollbar{height:6px}
.track::-webkit-scrollbar-thumb{background:rgba(108,92,231,.5);border-radius:99px}
.track > .track-item{scroll-snap-align:start;flex:0 0 clamp(272px,38%,440px)}
.track-item .shot{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--stroke);position:relative;
}
.track-item .shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.track-item .shot .step-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(7,10,24,.72);border:1px solid rgba(52,224,216,.4);color:var(--accent);
  backdrop-filter:blur(10px);
}
.track-item .cap{margin-top:16px}
.track-item .cap h3{font-size:18px;margin-bottom:8px}
.track-item .cap p{color:var(--text-2);font-size:14.5px}
.track-arrow{
  position:absolute;top:38%;z-index:5;
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(12,18,38,.72);border:1px solid var(--stroke);
  color:var(--text);cursor:pointer;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .24s var(--ease),background-color .24s var(--ease),box-shadow .24s var(--ease);
}
.track-arrow:hover{background:rgba(108,92,231,.4);box-shadow:0 10px 30px -8px rgba(108,92,231,.8)}
.track-arrow:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.track-arrow.prev{left:-14px}
.track-arrow.next{right:-14px}
/* ===== proof ===== */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{padding:24px 22px;border-radius:var(--radius)}
.metric .m-value{
  font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;
}
.metric .m-value .unit{font-size:13px;color:var(--text-2);font-weight:600;margin-left:5px;letter-spacing:0}
.metric .m-label{margin-top:10px;font-size:14.5px;color:var(--text);font-weight:600}
.metric .m-note{margin-top:4px;font-size:12.5px;color:var(--text-3)}
.review-track{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:6px 4px 20px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 clamp(260px,30%,340px);scroll-snap-align:start;
  padding:20px;border-radius:var(--radius);
}
.review-head{display:flex;align-items:center;gap:12px}
.avatar-chip{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(140deg,var(--primary),#2FA6C9);
}
.review-name{font-size:14.5px;font-weight:700;color:var(--text)}
.review-time{font-size:12.5px;color:var(--text-3)}
.review-text{margin-top:14px;font-size:14.5px;color:var(--text-2)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:8px;font-size:12.5px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
}
.badge svg{width:14px;height:14px;color:var(--text-3)}
.pill{
  display:inline-flex;align-items:center;
  padding:5px 11px;border-radius:999px;font-size:12px;font-weight:600;
  letter-spacing:.05em;
  background:rgba(52,224,216,.08);color:var(--accent);border:1px solid rgba(52,224,216,.22);
}
.pill-state-ok{background:rgba(61,214,140,.10);color:var(--ok);border-color:rgba(61,214,140,.25)}
.pill-state-warn{background:rgba(255,176,32,.10);color:var(--warn);border-color:rgba(255,176,32,.25)}
.pill-spark{background:rgba(255,201,74,.12);color:var(--spark);border-color:rgba(255,201,74,.28)}
/* ===== latest ===== */
.latest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--stroke);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(108,92,231,.45);box-shadow:0 30px 70px -40px rgba(108,92,231,.9)}
.post-card .thumb{position:relative;overflow:hidden}
.post-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .thumb::after{
  content:"";position:absolute;inset:0;border-bottom:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,transparent 45%,rgba(7,10,24,.55));
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:17px;font-weight:700;line-height:1.42;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-title{color:var(--primary-soft)}
.post-sum{font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:8px;border-top:1px solid rgba(255,255,255,.06)}
.post-date{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.post-read{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--accent);font-weight:600}
.post-read svg{width:14px;height:14px;transition:transform .24s var(--ease)}
.post-card:hover .post-read svg{transform:translateX(4px)}
.post-card--lead{grid-column:span 2;flex-direction:row}
.post-card--lead .thumb{flex:0 0 48%;min-height:100%}
.post-card--lead .thumb img{height:100%;aspect-ratio:auto}
.post-card--lead .post-body{padding:26px 26px 24px;gap:12px}
.post-card--lead .post-title{font-size:22px;-webkit-line-clamp:3}
.post-card--lead .post-sum{-webkit-line-clamp:3;font-size:14.5px}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;border-radius:var(--radius);text-align:center;
}
.empty-state svg{width:52px;height:52px;color:var(--text-3)}
.empty-state p{color:var(--text-2);font-size:15px}
/* ===== pricing ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{position:relative;padding:28px 26px;border-radius:var(--radius);display:flex;flex-direction:column;gap:18px}
.price-card .pc-name{font-size:18px;font-weight:700}
.price-card .pc-desc{font-size:14px;color:var(--text-2);min-height:42px}
.price-card .pc-amount{font-size:32px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.price-card .pc-amount small{font-size:13px;color:var(--text-3);font-weight:500;margin-left:6px}
.price-card ul{display:grid;gap:10px;font-size:14.5px;color:var(--text-2)}
.price-card ul li{display:flex;gap:10px;align-items:flex-start}
.price-card ul li svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;color:var(--accent)}
.price-card--featured{
  border:1px solid rgba(108,92,231,.75);
  box-shadow:0 0 0 1px rgba(108,92,231,.25),0 30px 80px -40px rgba(108,92,231,.95),inset 0 1px 0 rgba(255,255,255,.08);
  background:linear-gradient(180deg,rgba(108,92,231,.14),rgba(255,255,255,.04));
}
.corner-badge{
  position:absolute;top:-12px;right:22px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(255,201,74,.16);color:var(--spark);border:1px solid rgba(255,201,74,.4);
}
.compare{margin-top:34px;border-radius:var(--radius);overflow:hidden}
.compare-head,.compare-row{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;align-items:center}
.compare-head{
  padding:16px 22px;font-size:13.5px;font-weight:700;color:var(--text-2);
  background:rgba(255,255,255,.05);border-bottom:1px solid var(--stroke);letter-spacing:.03em;
}
.compare-row{padding:15px 22px;font-size:14.5px;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.06)}
.compare-row:last-child{border-bottom:0}
.compare-row .cf{text-align:center;display:flex;justify-content:center}
.compare-row .cf svg{width:17px;height:17px}
.icon-yes{color:var(--ok)}
.icon-no{color:var(--text-3);opacity:.7}
.compare-cards{display:none}
/* ===== faq ===== */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.faq-col{display:grid;gap:14px}
.faq-item{
  border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--stroke);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.faq-item.is-open{border-color:rgba(52,224,216,.4);background:rgba(52,224,216,.045)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-4px}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;
  transition:transform .3s var(--ease);color:var(--accent);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  left:50%;top:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px;transition:opacity .3s var(--ease),transform .3s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scale(.2)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .36s var(--ease);
}
.faq-a-inner{
  padding:0 20px 20px 22px;
  border-left:2px solid transparent;
  border-image:linear-gradient(180deg,var(--primary),var(--accent)) 1;
  font-size:14.5px;color:var(--text-2);
}
.faq-a-inner p+p{margin-top:8px}
/* ===== cta ===== */
.cta-panel{
  border-radius:var(--radius-xl);padding:52px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  background:
    radial-gradient(520px 320px at 8% 0%, rgba(108,92,231,.20), transparent 70%),
    rgba(255,255,255,.045);
  border:1px solid var(--stroke);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.07);
}
.cta-panel h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:14px}
.cta-panel .cta-text{color:var(--text-2);font-size:15.5px}
.form-card{
  background:#0B1020;
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
}
.field{display:grid;gap:8px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2)}
.field input,.field textarea{
  width:100%;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);
  color:var(--text);font-size:14.5px;
  padding:12px 14px;outline:none;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{
  border-color:rgba(52,224,216,.6);
  box-shadow:0 0 0 3px rgba(52,224,216,.15),0 0 22px -8px rgba(52,224,216,.8);
  background:rgba(255,255,255,.07);
}
.field.has-error input,.field.has-error textarea{border-color:rgba(255,107,129,.7);box-shadow:0 0 0 3px rgba(255,107,129,.12)}
.field .err{font-size:12px;color:var(--danger);display:none}
.field.has-error .err{display:block}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7}
.spinner{
  width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  animation:spin .8s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}
/* ===== footer ===== */
.site-footer{
  background:var(--bg-3);
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{font-size:16px}
.footer-desc{font-size:14px;color:var(--text-2);max-width:320px}
.footer-col h4{font-size:14px;color:var(--text-3);letter-spacing:.06em;margin-bottom:16px;font-weight:600}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .24s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.footer-bottom .fb-links{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);cursor:pointer;
  transition:color .24s var(--ease),background-color .24s var(--ease);
}
.to-top:hover{color:var(--accent);background:rgba(52,224,216,.1)}
/* ===== floating cta ===== */
.float-cta{
  position:fixed;right:24px;bottom:30px;z-index:40;
  display:flex;flex-direction:column;align-items:flex-end;gap:12px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta.is-hidden{opacity:0;transform:translateY(12px);pointer-events:none}
.float-icon{
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(12,18,38,.8);border:1px solid var(--stroke);color:var(--text);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  cursor:pointer;transition:background-color .24s var(--ease),transform .24s var(--ease);
}
.float-icon:hover{background:rgba(108,92,231,.45);transform:translateY(-2px)}
.mobile-cta{display:none}
/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
/* ===== responsive ===== */
@media (max-width:1279px){
  .container{padding:0 20px}
}
@media (max-width:1023px){
  .hero{min-height:auto;padding:56px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .device-panel{transform:rotate(-3deg)}
  @keyframes panelFloat{
    0%,100%{transform:rotate(-3deg) translateY(0)}
    50%{transform:rotate(-3deg) translateY(-6px)}
  }
  .float-card.one{right:0}
  .float-card.two{left:0}
  .latest-grid{grid-template-columns:repeat(2,1fr)}
  .post-card--lead{grid-column:span 2;flex-direction:column}
  .post-card--lead .thumb{flex:0 0 auto}
  .post-card--lead .thumb img{aspect-ratio:16/9;height:auto}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .faq-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:38px}
  .compare{display:none}
  .compare-cards{display:grid;gap:14px;margin-top:30px}
  .compare-card{padding:20px;border-radius:var(--radius)}
  .compare-card h4{font-size:16px;margin-bottom:12px;color:var(--text)}
  .compare-card dl{display:grid;gap:10px;font-size:14px;color:var(--text-2)}
  .compare-card dl div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(255,255,255,.06);padding-bottom:8px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-search{max-width:none}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .chevron-only{display:none}
  .nav-search{display:none}
  .nav-top{height:56px}
  .site-header.is-scrolled .nav-top{height:52px}
  .tabs{height:44px}
  .quickbar{top:96px;padding:10px 0 12px}
  .feature-row{grid-template-columns:1fr;gap:26px;padding:36px 0}
  .feature-row.flip .feature-media{order:0}
  .latest-grid{grid-template-columns:1fr}
  .post-card--lead{grid-column:span 1}
  .track > .track-item{flex:0 0 84%}
  .review-card{flex:0 0 82%}
  .track-arrow{display:none}
  .float-cta{display:none}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;
    gap:10px;align-items:center;
    height:56px;padding:8px 14px calc(8px + env(safe-area-inset-bottom));
    background:rgba(7,10,24,.9);
    border-top:1px solid rgba(255,255,255,.1);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  }
  .mobile-cta .btn{flex:1}
  .site-footer{padding-bottom:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-panel{padding:26px;gap:30px}
  .form-card{padding:20px}
  .metrics{grid-template-columns:1fr 1fr;gap:14px}
  .metric{padding:18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .hero h1{font-size:clamp(28px,8vw,36px)}
  .metrics{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .float-card{padding:10px 12px}
  .float-card .fc-value{font-size:13px}
  .badge-row{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#070A18; --bg-2:#0C1226; --panel:#0A0F22;
  --surface:rgba(255,255,255,.045); --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.10); --stroke-2:rgba(255,255,255,.06);
  --primary:#6C5CE7; --primary-deep:#4B3FD0; --primary-soft:#9C8FFF;
  --accent:#34E0D8; --spark:#FFC94A;
  --text:#EAF0FF; --text-2:#A9B4D0; --text-3:#6F7A9C;
  --ok:#3DD68C; --warn:#FFB020; --danger:#FF6B81;
  --r-lg:28px; --r-md:20px; --r-sm:14px;
  --shadow-glass:0 20px 60px -30px rgba(0,0,0,.9);
  --shadow-card:0 14px 40px -26px rgba(0,0,0,.95);
  --glow:0 10px 30px -6px rgba(108,92,231,.55);
  --glow-strong:0 14px 40px -8px rgba(108,92,231,.8);
  --ease:cubic-bezier(.2,.8,.2,1);
  --space-sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(700px 420px at 88% -8%,rgba(108,92,231,.17),transparent 70%),
    radial-gradient(560px 380px at -6% 46%,rgba(52,224,216,.09),transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
::selection{background:rgba(52,224,216,.28);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.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}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;position:relative}
.site-header,.site-footer,main{position:relative;z-index:1}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;background:transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,10,24,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--stroke-2);
}
.nav-top{display:flex;align-items:center;gap:18px;height:64px;transition:height .25s var(--ease)}
.site-header.is-scrolled .nav-top{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-key{
  background:linear-gradient(92deg,var(--primary-soft),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;position:relative;
}
.brand-key::after{
  content:"";position:absolute;right:-3px;top:-1px;width:4px;height:4px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 8px rgba(52,224,216,.9);
}
.brand-tail{color:var(--text)}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:420px;margin:0 auto}
.nav-search input{
  width:100%;height:40px;padding:0 16px 0 42px;border-radius:999px;
  border:1px solid var(--stroke);background:var(--surface);color:var(--text);font-size:14px;
  outline:none;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  border-color:rgba(52,224,216,.55);background:rgba(255,255,255,.06);
  box-shadow:0 0 0 3px rgba(52,224,216,.16),0 0 26px -8px rgba(52,224,216,.65);
}
.search-icon{position:absolute;left:14px;width:18px;height:18px;color:var(--text-3);pointer-events:none}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.tabs-wrap{position:relative;border-top:1px solid var(--stroke-2)}
.tabs-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:48px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(7,10,24,.88));
}
.tabs{
  display:flex;align-items:center;gap:8px;height:48px;list-style:none;
  overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.tabs::-webkit-scrollbar{display:none}
.tabs li{scroll-snap-align:start;flex:0 0 auto}
.tab{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  color:var(--text-2);font-size:14px;white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.tab:hover{color:var(--text);background:rgba(255,255,255,.05)}
.tab.is-active{background:rgba(108,92,231,.14);color:var(--accent)}
.tab.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-9px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(52,224,216,.85);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-xs{height:32px;padding:0 14px;font-size:13px}
.btn-primary{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-deep) 55%,#2FBFB8 135%);
  color:#fff;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow-strong)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 18px -8px rgba(108,92,231,.6)}
.btn-ghost{
  background:rgba(255,255,255,.03);border-color:var(--stroke);color:var(--text-2);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);color:var(--text);border-color:rgba(255,255,255,.2)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.text-link{color:var(--accent);font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link span.line{position:relative}
.text-link span.line::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);
  transition:width .26s var(--ease);
}
.text-link:hover span.line::after{width:100%}

/* ============ 标签 / 徽章 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.05em;border:1px solid var(--stroke);color:var(--text-2);background:var(--surface);
}
.pill-accent{background:rgba(52,224,216,.08);border-color:rgba(52,224,216,.28);color:var(--accent)}
.pill-spark{background:rgba(255,201,74,.12);border-color:rgba(255,201,74,.35);color:var(--spark)}
.tag-label{font-size:13px;color:var(--text-3);letter-spacing:.05em;margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);border:1px solid var(--stroke);background:var(--surface);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{color:var(--accent);border-color:rgba(52,224,216,.4);background:rgba(52,224,216,.07)}

/* ============ 阅读进度 ============ */
.read-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:transparent;pointer-events:none}
.read-progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(52,224,216,.85);
  transition:width .1s linear;
}

/* ============ 页头 ============ */
.page-head{padding:32px 0 8px;scroll-margin-top:140px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#3C4665}
.breadcrumb .current{
  max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-3);
}
.article-head{
  position:relative;overflow:hidden;padding:36px 40px;border-radius:var(--r-lg);
  border:1px solid var(--stroke);box-shadow:var(--shadow-glass);
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,10,24,.95) 0%,rgba(8,11,26,.88) 52%,rgba(10,15,34,.72) 100%);
}
.article-head > *{position:relative;z-index:1}
.article-head h1{
  margin:16px 0 18px;font-size:clamp(28px,3.6vw,42px);line-height:1.2;font-weight:800;
  max-width:900px;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:var(--text-2)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.75}
.meta-row .btn{margin-left:auto}

/* ============ 文章主体 ============ */
.article-section{padding:40px 0 var(--space-sec)}
.article-shell{
  display:grid;grid-template-columns:minmax(0,760px) 246px;gap:40px;
  justify-content:center;align-items:start;
}
.article-body{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:40px 44px;box-shadow:var(--shadow-glass);
  font-size:16px;line-height:1.9;color:#D6DDF0;overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;margin:2.1em 0 .9em;padding-left:16px;font-size:24px;line-height:1.4;color:var(--text);
  scroll-margin-top:150px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  box-shadow:0 0 14px rgba(52,224,216,.5);
}
.article-body h3{margin:1.8em 0 .7em;font-size:19px;line-height:1.45;color:#E4EAFB;scroll-margin-top:150px}
.article-body h4{margin:1.5em 0 .6em;font-size:17px;color:#E4EAFB}
.article-body a{
  color:var(--accent);font-weight:500;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size .26s var(--ease);
}
.article-body a:hover{background-size:100% 1px}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em}
.article-body li{margin:.5em 0}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--accent);font-variant-numeric:tabular-nums}
.article-body blockquote{
  margin:1.7em 0;padding:16px 22px;font-style:normal;font-weight:500;color:#DDE4F6;
  background:rgba(108,92,231,.09);border-radius:var(--r-sm);
  border-left:3px solid transparent;
  background-image:linear-gradient(180deg,rgba(108,92,231,.16),rgba(52,224,216,.06));
  box-shadow:inset 3px 0 0 0 #6C5CE7;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img,body .article-body .wp-block-image img{
  width:100%;height:auto;margin:1.6em 0;border-radius:var(--r-md);
  border:1px solid var(--stroke);box-shadow:0 18px 44px -28px rgba(0,0,0,.95);
}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;
  margin:1.6em 0;font-size:15px;
}
.article-body th{
  background:rgba(255,255,255,.07);color:var(--text);text-align:left;font-weight:600;
  padding:12px 14px;border:1px solid var(--stroke);white-space:nowrap;
}
.article-body td{padding:12px 14px;border:1px solid var(--stroke);color:var(--text-2)}
.article-body pre{
  margin:1.6em 0;padding:18px 20px;border-radius:var(--r-sm);overflow-x:auto;
  background:#05080F;border:1px solid var(--stroke);
  font-family:ui-monospace,Menlo,Consolas,"Courier New",monospace;font-size:14px;line-height:1.7;color:var(--text-2);
}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,"Courier New",monospace;font-size:.9em;
  padding:2px 6px;border-radius:6px;background:rgba(52,224,216,.1);color:var(--accent);
}
.article-body pre code{background:none;color:inherit;padding:0;font-size:inherit}
.article-body hr{margin:2.2em 0;border:0;border-top:1px solid var(--stroke-2)}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:52px 24px;border-radius:var(--r-md);border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.03);
}
.empty-state .orbit{width:74px;height:44px}
.empty-state h3{font-size:19px;color:var(--text)}
.empty-state p{font-size:14px;color:var(--text-3);max-width:420px}

/* 标签与延伸阅读 */
.article-foot{margin-top:30px}
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.inline-note{
  font-size:14px;color:var(--text-2);padding:16px 20px;border-radius:var(--r-sm);
  border:1px solid var(--stroke);background:rgba(255,255,255,.03);
}
.inline-note a{color:var(--accent);border-bottom:1px solid rgba(52,224,216,.4)}

/* 上一步 / 下一步 */
.step-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}
.step-card{
  display:flex;align-items:center;gap:14px;padding:20px 22px;border-radius:var(--r-md);
  border:1px solid var(--stroke);background:var(--surface);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(52,224,216,.42);background:rgba(255,255,255,.07)}
.step-arrow{
  width:38px;height:38px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;
  background:rgba(52,224,216,.1);color:var(--accent);font-size:16px;
  transition:transform .22s var(--ease);
}
.step-card:hover .step-arrow{transform:translateX(-3px)}
.step-card.next{flex-direction:row-reverse;text-align:right}
.step-card.next:hover .step-arrow{transform:translateX(3px)}
.step-text{display:flex;flex-direction:column;gap:4px;min-width:0}
.step-label{font-size:12px;letter-spacing:.05em;color:var(--text-3)}
.step-title{font-size:16px;font-weight:600;color:var(--text);line-height:1.5}

/* 侧边目录 */
.article-side{position:sticky;top:112px}
.toc-card{
  border:1px solid var(--stroke);border-radius:var(--r-md);background:var(--surface);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:20px 18px;box-shadow:var(--shadow-card);
}
.toc-title{
  font-size:13px;letter-spacing:.08em;color:#8FA0C6;font-weight:600;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.toc-title::before{content:"";width:14px;height:1px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.toc-nav{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto}
.toc-link{
  display:block;padding:7px 10px;border-radius:10px;font-size:13px;line-height:1.6;color:var(--text-3);
  border-left:2px solid transparent;transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.toc-link.lv-3{padding-left:22px;font-size:12.5px}
.toc-link.is-active{color:var(--accent);border-left-color:var(--accent);background:rgba(52,224,216,.07)}

/* 相关内容 */
.related-section{padding-top:64px;scroll-margin-top:140px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-md);
  border:1px solid var(--stroke);background:var(--surface);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(52,224,216,.36);box-shadow:0 24px 60px -34px rgba(0,0,0,1)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0A0F22}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .card-cover img{transform:scale(1.03)}
.card-cover::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{
  font-size:16px;line-height:1.55;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:13.5px;color:var(--text-3);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.read-more{color:var(--accent);display:inline-flex;align-items:center;gap:6px;transition:transform .22s var(--ease)}
.news-card:hover .read-more{transform:translateX(4px)}

/* 尾部 CTA */
.cta-band{padding-top:72px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--stroke);
  padding:44px 44px;box-shadow:var(--shadow-glass);
  background:
    radial-gradient(520px 260px at 88% 10%,rgba(108,92,231,.28),transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);max-width:620px}
.cta-inner p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:600px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:26px;z-index:40;display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta .btn{box-shadow:var(--glow)}
.fab{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--stroke);background:rgba(10,15,34,.85);color:var(--accent);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.fab:hover{transform:translateY(-2px);background:rgba(52,224,216,.14)}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:#05070F;border-top:1px solid var(--stroke-2);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:42px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.9;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#8FA0C6;letter-spacing:.05em;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--stroke-2);padding:18px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.fb-links .muted{color:#54607F}
.to-top{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--stroke);background:transparent;color:var(--text-2);font-size:13px;cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.to-top:hover{color:var(--accent);border-color:rgba(52,224,216,.4);background:rgba(52,224,216,.07)}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .article-shell{grid-template-columns:minmax(0,760px);gap:0}
  .article-side{display:none}
}
@media (max-width:1024px){
  :root{--space-sec:72px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .nav-search{display:none}
  .tabs-wrap::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--space-sec:64px;--r-lg:22px;--r-md:18px}
  .container{padding:0 16px}
  .nav-top{height:58px;gap:12px}
  .brand-text{font-size:16px}
  .nav-actions .chevron-only{display:none}
  .article-head{padding:26px 22px}
  .article-head h1{font-size:clamp(24px,6vw,32px)}
  .meta-row .btn{margin-left:0}
  .article-body{padding:26px 20px;font-size:15.5px;line-height:1.9}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:17.5px}
  .step-nav{grid-template-columns:minmax(0,1fr)}
  .step-card.next{flex-direction:row;text-align:left}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:30px 22px}
  .float-cta{
    left:12px;right:12px;bottom:0;padding:10px 0 calc(10px + env(safe-area-inset-bottom));
    flex-direction:row;align-items:center;justify-content:space-between;
    background:rgba(7,10,24,.9);border-top:1px solid var(--stroke-2);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  }
  .float-cta .btn{flex:1;height:46px}
  .site-footer{padding-bottom:72px}
}
@media (max-width:520px){
  .breadcrumb .current{max-width:180px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn-sm{padding:0 14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg:#070A18;
  --bg-2:#0C1226;
  --bg-deep:#05070F;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.10);
  --stroke-soft:rgba(255,255,255,.06);
  --primary:#6C5CE7;
  --primary-deep:#4B3FD0;
  --primary-soft:#9C8FFF;
  --accent:#34E0D8;
  --spark:#FFC94A;
  --text:#EAF0FF;
  --text-2:#A9B4D0;
  --text-3:#6F7A9C;
  --ok:#3DD68C;
  --warn:#FFB020;
  --danger:#FF6B81;
  --r-xl:28px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --shadow-card:0 20px 60px -30px rgba(0,0,0,.9);
  --glow:0 10px 30px -6px rgba(108,92,231,.55);
  --glow-strong:0 14px 40px -6px rgba(108,92,231,.8);
  --ease:cubic-bezier(.2,.8,.2,1);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  background-image:
    radial-gradient(620px 420px at 88% 4%, rgba(108,92,231,.13), transparent 70%),
    radial-gradient(520px 360px at 2% 42%, rgba(52,224,216,.08), transparent 72%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
::selection{background:rgba(52,224,216,.28);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
@media (max-width:640px){.container{padding:0 16px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-primary{
  background:linear-gradient(100deg,var(--primary) 0%,var(--primary-deep) 55%,#2f8f9c 100%);
  color:#fff;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow-strong);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 18px -8px rgba(108,92,231,.7);}
.btn-ghost{
  background:transparent;border-color:var(--stroke);color:var(--text);
}
.btn-ghost:hover{background:var(--surface-2);border-color:rgba(255,255,255,.2);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{
  color:var(--accent);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;
  background:none;border:none;padding:0;position:relative;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--accent);
  transition:width .26s var(--ease);
}
.btn-text:hover::after{width:100%;}
.btn-text svg{transition:transform .24s var(--ease);}
.btn-text:hover svg{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .26s var(--ease),border-color .26s var(--ease),backdrop-filter .26s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,10,24,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--stroke-soft);
}
.nav-top{
  display:flex;align-items:center;gap:20px;height:64px;
  transition:height .26s var(--ease);
}
.site-header.is-scrolled .nav-top{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;flex-shrink:0;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-key{color:var(--accent);position:relative;}
.brand-key::after{
  content:"";position:absolute;right:-5px;top:-2px;width:5px;height:5px;border-radius:50%;
  background:var(--spark);box-shadow:0 0 8px rgba(255,201,74,.9);
}
.brand-tail{color:var(--text);margin-left:5px;}
.nav-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;margin:0 8px;
}
.search-icon{
  position:absolute;left:14px;width:16px;height:16px;color:var(--text-3);pointer-events:none;
}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--stroke);
  color:var(--text);font-size:13.5px;padding:0 16px 0 38px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;border-color:rgba(52,224,216,.55);background:rgba(255,255,255,.06);
  box-shadow:0 0 0 3px rgba(52,224,216,.14);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0;}
.tabs-wrap{border-top:1px solid var(--stroke-soft);position:relative;}
.tabs{
  display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;
  scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none;}
.tabs li{scroll-snap-align:start;flex-shrink:0;}
.tab{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--text-2);position:relative;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.tab:hover{color:var(--text);background:var(--surface);}
.tab.is-active{
  color:var(--accent);background:rgba(108,92,231,.12);font-weight:600;
}
.tab.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-9px;
  width:22px;height:2px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 10px rgba(52,224,216,.85);
}
@media (max-width:1024px){
  .nav-search{max-width:260px;}
  .chevron-only{display:none;}
}
@media (max-width:768px){
  .nav-search{display:none;}
  .brand-text{font-size:15.5px;}
}

/* ============ 页头 Hero ============ */
.page-hero{
  position:relative;padding:56px 0 44px;
  border-bottom:1px solid var(--stroke-soft);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 300px at 82% 10%, rgba(108,92,231,.16), transparent 70%);
}
.page-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.55fr .95fr;gap:40px;align-items:center;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.5;}
.crumb .now{color:var(--text-2);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(52,224,216,.08);border:1px solid rgba(52,224,216,.22);
  color:var(--accent);font-size:12px;letter-spacing:.05em;font-weight:600;
  margin-bottom:18px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.16;font-weight:800;margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{color:var(--text-2);font-size:16px;max-width:620px;line-height:1.9;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-meta span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--stroke);
  font-size:12.5px;color:var(--text-2);
}
.hero-meta span b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums;}
.hero-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--stroke);background:var(--surface);
  box-shadow:var(--shadow-card);
  transform:rotate(-1.4deg);
  animation:floatY 8s ease-in-out infinite;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;opacity:.92;}
.hero-visual .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,.25) 0%,rgba(7,10,24,.78) 100%);
}
.hero-visual .chip{
  position:absolute;left:16px;bottom:16px;right:16px;
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:var(--r-md);
  background:rgba(12,18,38,.82);border:1px solid var(--stroke);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  font-size:12.5px;color:var(--text-2);
}
.hero-visual .chip b{color:var(--accent);font-weight:600;}
@keyframes floatY{0%,100%{transform:rotate(-1.4deg) translateY(0);}50%{transform:rotate(-1.4deg) translateY(-6px);}}
@media (max-width:1024px){
  .page-hero-inner{grid-template-columns:1fr;gap:28px;}
  .hero-visual{transform:none;animation:none;}
}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:112px;z-index:40;
  background:rgba(7,10,24,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--stroke-soft);
}
.anchor-bar .container{display:flex;gap:8px;padding-top:12px;padding-bottom:12px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;}
.anchor-bar .container::-webkit-scrollbar{display:none;}
.pill{
  flex-shrink:0;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--stroke);
  background:var(--surface);color:var(--text-2);font-size:13px;white-space:nowrap;
  transition:all .24s var(--ease);
}
.pill:hover{color:var(--text);border-color:rgba(255,255,255,.2);}
.pill.is-active{
  color:var(--accent);background:rgba(52,224,216,.09);
  border-color:rgba(52,224,216,.4);box-shadow:0 0 0 1px rgba(52,224,216,.12);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--stroke-soft);border-bottom:1px solid var(--stroke-soft);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;
  color:var(--accent);font-weight:700;margin-bottom:14px;
}
.section-head .kicker::before{content:"";width:18px;height:1px;background:var(--accent);}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:15.5px;}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-head{margin-bottom:30px;}
}

/* ============ 前置准备卡 ============ */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.prep-card{
  border-radius:var(--r-lg);border:1px solid var(--stroke);
  background:var(--surface);padding:26px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease),background .26s var(--ease);
}
.prep-card:hover{transform:translateY(-4px);border-color:rgba(52,224,216,.28);background:var(--surface-2);}
.prep-card .num{
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--accent);
  letter-spacing:.06em;margin-bottom:14px;display:block;font-variant-numeric:tabular-nums;
}
.prep-card h3{font-size:18px;margin-bottom:10px;}
.prep-card p{color:var(--text-2);font-size:14px;line-height:1.85;}
.prep-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.prep-card li{
  font-size:13.5px;color:var(--text-2);padding-left:18px;position:relative;
}
.prep-card li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  border:1.5px solid var(--accent);opacity:.8;
}
@media (max-width:1024px){.prep-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:700px){.prep-grid{grid-template-columns:1fr;}}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:64px;}
.timeline::before{
  content:"";position:absolute;left:17px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,rgba(108,92,231,.9),rgba(52,224,216,.75) 55%,rgba(52,224,216,.05));
  box-shadow:0 0 18px rgba(52,224,216,.35);
  border-radius:2px;
}
.tl-item{position:relative;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  position:absolute;left:-64px;top:22px;width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(12,18,38,.95);border:1px solid rgba(52,224,216,.45);
  box-shadow:0 0 0 4px rgba(52,224,216,.07),0 0 18px rgba(52,224,216,.28);
  font-family:var(--font-num);font-size:12.5px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.tl-node::after{
  content:"";position:absolute;width:5px;height:5px;border-radius:50%;
  background:var(--spark);right:-3px;top:-3px;box-shadow:0 0 8px rgba(255,201,74,.9);
}
.tl-card{
  border-radius:var(--r-lg);border:1px solid var(--stroke);
  background:rgba(255,255,255,.05);padding:26px 26px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(108,92,231,.42);box-shadow:0 26px 70px -34px rgba(108,92,231,.7);}
.tl-card .tl-top{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:12px;}
.tl-card h3{font-size:20px;}
.tl-card .tl-time{
  font-size:12px;color:var(--text-3);font-family:var(--font-num);
  letter-spacing:.04em;font-variant-numeric:tabular-nums;
}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:8px;
  font-size:12px;letter-spacing:.05em;font-weight:600;
}
.tag-cyan{background:rgba(52,224,216,.09);color:var(--accent);border:1px solid rgba(52,224,216,.22);}
.tag-violet{background:rgba(108,92,231,.13);color:var(--primary-soft);border:1px solid rgba(108,92,231,.3);}
.tag-green{background:rgba(61,214,140,.1);color:var(--ok);border:1px solid rgba(61,214,140,.26);}
.tag-amber{background:rgba(255,176,32,.1);color:var(--warn);border:1px solid rgba(255,176,32,.26);}
.tag-gold{background:rgba(255,201,74,.1);color:var(--spark);border:1px solid rgba(255,201,74,.28);}
.tl-card p{color:var(--text-2);font-size:14.5px;line-height:1.9;}
.tl-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.tl-list li{
  position:relative;padding-left:20px;font-size:13.5px;color:var(--text-2);line-height:1.8;
}
.tl-list li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;
  background:rgba(52,224,216,.16);border:1px solid rgba(52,224,216,.55);
}
.tl-figure{
  margin-top:18px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--stroke);
  background:var(--surface);
}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
@media (min-width:1024px){
  .tl-item:nth-child(even){margin-left:7%;}
  .tl-item:nth-child(odd){margin-right:4%;}
}
@media (max-width:640px){
  .timeline{padding-left:48px;}
  .timeline::before{left:13px;}
  .tl-node{left:-48px;width:28px;height:28px;font-size:11px;}
  .tl-card{padding:20px 18px;}
}

/* ============ 入口对照卡 ============ */
.compare-list{display:flex;flex-direction:column;gap:14px;}
.compare-row{
  display:grid;
  grid-template-columns:1.1fr 1fr 1fr 1.4fr;
  gap:20px;align-items:center;
  border-radius:var(--r-lg);border:1px solid var(--stroke);
  background:var(--surface);padding:20px 24px;
  transition:border-color .24s var(--ease),background .24s var(--ease),transform .24s var(--ease);
}
.compare-row:hover{border-color:rgba(52,224,216,.3);background:var(--surface-2);transform:translateY(-2px);}
.compare-row .c-label{font-size:15px;font-weight:600;color:var(--text);}
.compare-row .c-label small{display:block;font-size:12.5px;font-weight:400;color:var(--text-3);margin-top:4px;}
.compare-row .c-cell{font-size:13.5px;color:var(--text-2);}
.compare-row .c-cell b{color:var(--accent);font-weight:600;}
.compare-head{
  display:grid;grid-template-columns:1.1fr 1fr 1fr 1.4fr;gap:20px;
  padding:0 24px 12px;font-size:12px;letter-spacing:.08em;color:var(--text-3);
}
@media (max-width:900px){
  .compare-head{display:none;}
  .compare-row{grid-template-columns:1fr;gap:12px;padding:20px;}
  .compare-row .c-cell::before{
    content:attr(data-k);display:block;font-size:11.5px;letter-spacing:.06em;color:var(--text-3);margin-bottom:3px;
  }
}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  border-radius:var(--r-lg);border:1px solid rgba(52,224,216,.24);
  background:rgba(52,224,216,.06);padding:18px 22px;margin-bottom:34px;
}
.notice svg{flex-shrink:0;width:20px;height:20px;color:var(--accent);margin-top:4px;}
.notice p{font-size:14px;color:var(--text-2);line-height:1.85;}
.notice b{color:var(--text);font-weight:600;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;align-items:start;}
.faq-col{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--r-lg);border:1px solid var(--stroke);background:var(--surface);
  overflow:hidden;transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.18);}
.faq-item.is-open{border-color:rgba(108,92,231,.45);background:rgba(108,92,231,.07);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;color:var(--text);text-align:left;
  font-size:15px;font-weight:600;line-height:1.6;padding:18px 20px;
}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--stroke);display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:14px;line-height:1;
  transition:transform .28s var(--ease),background .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(52,224,216,.12);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a-inner{
  padding:0 20px 20px 22px;border-left:2px solid transparent;
  background:linear-gradient(90deg,rgba(52,224,216,.55),rgba(108,92,231,.35)) left top/2px 100% no-repeat;
}
.faq-a-inner p{font-size:14px;color:var(--text-2);line-height:1.9;}
.faq-a-inner ul{margin-top:10px;display:flex;flex-direction:column;gap:8px;}
.faq-a-inner li{font-size:13.5px;color:var(--text-2);padding-left:18px;position:relative;}
.faq-a-inner li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--primary-soft);
}
@media (max-width:900px){.faq-grid{grid-template-columns:1fr;}}

/* ============ CTA ============ */
.cta-panel{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(108,92,231,.32);
  background:
    radial-gradient(620px 320px at 12% 0%, rgba(108,92,231,.28), transparent 68%),
    radial-gradient(520px 300px at 92% 100%, rgba(52,224,216,.16), transparent 70%),
    rgba(12,18,38,.92);
  padding:56px 48px;box-shadow:0 40px 100px -50px rgba(108,92,231,.9);
}
.cta-panel h2{font-size:clamp(24px,3.2vw,36px);line-height:1.28;margin-bottom:16px;max-width:640px;}
.cta-panel p{color:var(--text-2);font-size:15.5px;max-width:660px;margin-bottom:30px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-note{font-size:12.5px;color:var(--text-3);margin-top:22px;}
@media (max-width:640px){
  .cta-panel{padding:34px 22px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);border-top:1px solid var(--stroke-soft);
  padding:64px 0 26px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;
  border-bottom:1px solid var(--stroke-soft);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{font-size:13.5px;color:var(--text-3);line-height:1.9;max-width:330px;}
.footer-col h4{font-size:14px;color:#8FB6C4;font-weight:600;margin-bottom:16px;letter-spacing:.03em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .22s var(--ease),padding-left .22s var(--ease);}
.footer-col a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:22px;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.fb-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.muted{font-size:12.5px;color:var(--text-3);}
.to-top{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--surface);border:1px solid var(--stroke);color:var(--text-2);
  border-radius:var(--r-pill);padding:8px 15px;font-size:12.5px;
  transition:all .24s var(--ease);
}
.to-top:hover{color:var(--accent);border-color:rgba(52,224,216,.4);background:rgba(52,224,216,.08);}
.to-top svg{transition:transform .24s var(--ease);}
.to-top:hover svg{transform:translateY(-2px);}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-bottom:96px;}
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:40;
  display:flex;flex-direction:column;align-items:flex-end;gap:12px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-cta.is-on{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-main{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 22px;border-radius:var(--r-pill);
  background:linear-gradient(100deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--glow-strong);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.float-main:hover{transform:translateY(-2px);box-shadow:0 18px 46px -8px rgba(108,92,231,.95);}
.float-mini{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(12,18,38,.9);border:1px solid var(--stroke);color:var(--accent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:all .24s var(--ease);
}
.float-mini:hover{border-color:rgba(52,224,216,.5);background:rgba(52,224,216,.1);}
@media (max-width:768px){
  .float-cta{
    right:0;left:0;bottom:0;flex-direction:row;align-items:center;
    padding:8px 12px calc(8px + env(safe-area-inset-bottom));
    background:rgba(7,10,24,.94);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--stroke-soft);gap:10px;
  }
  .float-main{flex:1;justify-content:center;height:44px;padding:0 18px;font-size:14px;}
  .float-mini{width:44px;height:44px;flex-shrink:0;}
}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}
section[id]{scroll-margin-top:130px;}

/* roulang page: category3 */
:root{
  --bg:#070A18;
  --bg-2:#0C1226;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.10);
  --stroke-2:rgba(255,255,255,.16);
  --primary:#6C5CE7;
  --primary-deep:#4B3FD0;
  --primary-soft:#9C8FFF;
  --accent:#34E0D8;
  --spark:#FFC94A;
  --text:#EAF0FF;
  --text-2:#A9B4D0;
  --text-3:#6F7A9C;
  --ok:#3DD68C;
  --warn:#FFB020;
  --danger:#FF6B81;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-card:0 20px 60px -30px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  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(760px 520px at 88% 4%, rgba(108,92,231,.16), transparent 62%),
    radial-gradient(680px 480px at 4% 78%, rgba(52,224,216,.09), transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.sr-only{position:absolute;left:-9999px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,10,24,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:rgba(255,255,255,.08);
}
.nav-top{display:flex;align-items:center;gap:20px;height:64px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-top{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-text{font-size:17px;font-weight:800;white-space:nowrap;letter-spacing:-.01em}
.brand-key{position:relative;color:#fff}
.brand-key::after{
  content:"";position:absolute;right:-3px;top:1px;width:5px;height:5px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px var(--accent);
}
.brand-tail{color:var(--text-2);font-weight:600;margin-left:2px}
.nav-search{position:relative;flex:1;max-width:420px;margin:0 auto}
.nav-search input{
  width:100%;height:40px;padding:0 16px 0 42px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  color:var(--text);font-size:14px;outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  border-color:rgba(52,224,216,.6);background:rgba(255,255,255,.07);
  box-shadow:0 0 0 3px rgba(52,224,216,.14),0 12px 30px -14px rgba(52,224,216,.7);
}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-3)}
.nav-actions{display:flex;gap:10px;flex:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-md{height:46px;padding:0 22px;font-size:15px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,#7D6CEF 52%,var(--accent) 145%);
  color:#fff;box-shadow:0 10px 30px -6px rgba(108,92,231,.55);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 38px -8px rgba(108,92,231,.82)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 18px -8px rgba(108,92,231,.6)}
.btn-ghost{background:rgba(255,255,255,.03);border:1px solid var(--stroke);color:var(--text-2)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:var(--stroke-2)}
.chevron-only::after{content:"›";font-size:16px;line-height:1;transform:translateY(-1px);transition:transform .2s var(--ease)}
.chevron-only:hover::after{transform:translate(3px,-1px)}
.tabs-wrap{border-top:1px solid rgba(255,255,255,.05)}
.tabs{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 24px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
  width:100%;max-width:1280px;margin:0 auto;
}
.tabs::-webkit-scrollbar{display:none}
.tabs li{scroll-snap-align:start}
.tab{
  position:relative;display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.tab:hover{color:#fff;background:rgba(255,255,255,.06)}
.tab.is-active{background:rgba(108,92,231,.14);color:var(--accent)}
.tab.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-8px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px rgba(52,224,216,.85);
}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;scroll-margin-top:150px;position:relative}
.section + .section{border-top:1px solid rgba(255,255,255,.06)}
.section-head{margin-bottom:32px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:8px;
  font-size:12px;letter-spacing:.06em;color:var(--accent);
  background:rgba(52,224,216,.08);border:1px solid rgba(52,224,216,.22);
}
.section-head h2{font-size:clamp(24px,3.1vw,34px);line-height:1.28;margin:14px 0 10px}
.section-head p{color:var(--text-2);font-size:15.5px}
.glass{
  background:var(--surface);
  border:1px solid var(--stroke);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;letter-spacing:.05em;letter-spacing:.02em;
}
.tag-cyan{background:rgba(52,224,216,.08);color:var(--accent);border:1px solid rgba(52,224,216,.22)}
.tag-ok{background:rgba(61,214,140,.1);color:var(--ok);border:1px solid rgba(61,214,140,.26)}
.tag-warn{background:rgba(255,176,32,.1);color:var(--warn);border:1px solid rgba(255,176,32,.28)}
.tag-danger{background:rgba(255,107,129,.1);color:var(--danger);border:1px solid rgba(255,107,129,.28)}
.link-inline{
  color:var(--accent);position:relative;font-weight:600;
}
.link-inline::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);
  transition:width .24s var(--ease);
}
.link-inline:hover::after{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14.5px;font-weight:600;
}
.text-link svg{width:14px;height:14px;transition:transform .22s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}

/* ---------- 页头 ---------- */
.page-head{padding:56px 0 8px;scroll-margin-top:150px}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(0,.62fr);gap:40px;align-items:center}
.page-title{font-size:clamp(30px,4.3vw,46px);line-height:1.18;font-weight:800;margin:16px 0 14px}
.page-title em{font-style:normal;color:var(--accent)}
.page-lead{color:var(--text-2);font-size:16px;max-width:660px}
.page-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.head-visual{
  border-radius:var(--r-lg);padding:12px;overflow:hidden;
}
.head-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  border:1px solid rgba(255,255,255,.1);
}
.head-visual figcaption{
  font-size:12.5px;color:var(--text-3);padding:10px 6px 2px;text-align:center;letter-spacing:.02em;
}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:106px;z-index:45;margin-top:34px;
  background:linear-gradient(180deg,rgba(7,10,24,.94),rgba(7,10,24,.68));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.pill-row{
  display:flex;align-items:center;gap:8px;padding:10px 0;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.pill-row::-webkit-scrollbar{display:none}
.pill{
  flex:none;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:999px;
  font-size:13.5px;color:var(--text-2);border:1px solid var(--stroke);background:rgba(255,255,255,.03);
  transition:all .22s var(--ease);
}
.pill:hover{color:#fff;background:rgba(255,255,255,.08);border-color:var(--stroke-2)}
.pill.is-active{
  color:var(--accent);background:rgba(108,92,231,.16);border-color:rgba(52,224,216,.4);
  box-shadow:0 0 0 3px rgba(52,224,216,.08);
}
.pill i{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7;font-style:normal}

/* ---------- 警示条 ---------- */
.alert-inner{
  display:flex;gap:14px;align-items:flex-start;padding:18px 22px;border-radius:var(--r-md);
  background:rgba(255,176,32,.07);border:1px solid rgba(255,176,32,.26);
}
.alert-icon{
  flex:none;width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,176,32,.14);color:var(--warn);
}
.alert-icon svg{width:18px;height:18px}
.alert-body strong{display:block;color:#FFD79A;font-size:15px;margin-bottom:2px}
.alert-body p{color:rgba(255,215,154,.78);font-size:14px;line-height:1.75}

/* ---------- 自查清单 ---------- */
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:18px;padding:22px 24px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--stroke);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.check-item:hover{transform:translateY(-2px);border-color:rgba(52,224,216,.34);background:var(--surface-2)}
.check-box{
  flex:none;width:24px;height:24px;border-radius:8px;margin-top:3px;position:relative;
  border:1.5px solid rgba(255,255,255,.3);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.check-item.is-done .check-box{
  border-color:transparent;
  background:linear-gradient(135deg,var(--primary),var(--accent));
}
.check-item.is-done .check-box::after{
  content:"";position:absolute;left:7px;top:3px;width:6px;height:11px;
  border:2px solid #061019;border-top:0;border-left:0;transform:rotate(42deg);
}
.check-main{flex:1;min-width:0}
.check-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:6px}
.check-top h3{font-size:17px;font-weight:700}
.check-main p{color:var(--text-2);font-size:14.8px;line-height:1.8}
.check-step{
  flex:none;font-size:13px;color:var(--accent);font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.split-note{
  margin-top:22px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;
  padding:20px 22px;border-radius:var(--r-md);background:var(--bg-2);border:1px solid var(--stroke);
}
.split-note img{width:120px;border-radius:14px;aspect-ratio:16/10;object-fit:cover;border:1px solid rgba(255,255,255,.1)}
.split-note p{color:var(--text-2);font-size:14.6px}

/* ---------- 对照双卡 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{padding:28px;border-radius:24px;background:var(--surface);border:1px solid var(--stroke)}
.compare-card.ok{border-color:rgba(61,214,140,.28);background:linear-gradient(180deg,rgba(61,214,140,.06),rgba(255,255,255,.03))}
.compare-card.warn{border-color:rgba(255,176,32,.28);background:linear-gradient(180deg,rgba(255,176,32,.06),rgba(255,255,255,.03))}
.compare-card h3{font-size:19px;margin:14px 0 6px}
.compare-card > p{color:var(--text-2);font-size:14.5px;margin-bottom:12px}
.tick-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-size:14.8px;color:var(--text-2);
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.tick-list li:last-child{border-bottom:0;padding-bottom:0}
.ico{flex:none;width:20px;height:20px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:4px}
.ico-ok{background:rgba(61,214,140,.14);color:var(--ok)}
.ico-warn{background:rgba(255,176,32,.14);color:var(--warn)}

/* ---------- 风险条目 ---------- */
.risk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.risk-card{
  padding:26px 24px 24px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--stroke);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.risk-card:hover{transform:translateY(-3px);border-color:rgba(156,143,255,.4);box-shadow:0 24px 60px -34px rgba(108,92,231,.9)}
.risk-num{font-size:30px;font-weight:800;color:rgba(52,224,216,.55);font-variant-numeric:tabular-nums;line-height:1}
.risk-card h3{font-size:17.5px}
.risk-card p{color:var(--text-2);font-size:14.5px}
.risk-card .tag{align-self:flex-start}
.risk-media{margin-top:auto;border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}
.risk-media img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .3s var(--ease)}
.risk-card:hover .risk-media img{transform:scale(1.04)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.faq-col{display:grid;gap:14px}
.faq-item{border-radius:var(--r-md);background:var(--surface);border:1px solid var(--stroke);overflow:hidden;transition:border-color .22s var(--ease)}
.faq-item.is-open{border-color:rgba(52,224,216,.36)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;text-align:left;line-height:1.55;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{position:relative;flex:none;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a-inner{position:relative;padding:2px 22px 20px 26px;color:var(--text-2);font-size:14.6px;line-height:1.85}
.faq-a-inner::before{
  content:"";position:absolute;left:8px;top:2px;bottom:20px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}

/* ---------- CTA ---------- */
.cta-panel{
  padding:44px;border-radius:var(--r-lg);display:grid;grid-template-columns:1.5fr .5fr;gap:32px;align-items:center;
  background:linear-gradient(135deg,rgba(108,92,231,.18),rgba(52,224,216,.07)),var(--bg-2);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 40px 90px -50px rgba(108,92,231,.9);
}
.cta-panel h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin:14px 0 12px}
.cta-panel p{color:var(--text-2);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-side{display:grid;gap:12px}
.cta-side .mini{
  padding:16px 18px;border-radius:var(--r-sm);background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);font-size:13.5px;color:var(--text-2);
}
.cta-side .mini strong{display:block;color:#fff;font-size:14.5px;margin-bottom:2px}

/* ---------- 浮动 CTA ---------- */
.fab{
  position:fixed;right:28px;bottom:28px;z-index:40;display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.fab.is-visible{opacity:1;transform:none;pointer-events:auto}
.fab-icon{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:rgba(12,18,38,.9);border:1px solid var(--stroke-2);color:var(--accent);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.fab-icon:hover{background:rgba(52,224,216,.14);transform:translateY(-2px)}
.fab-icon svg{width:20px;height:20px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;background:#05070F;border-top:1px solid rgba(255,255,255,.08);
  position:relative;z-index:1;padding-bottom:24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{color:var(--text-3);font-size:14px;line-height:1.8;max-width:340px}
.footer-col h4{font-size:14px;color:#8FA0C6;letter-spacing:.04em;margin-bottom:14px;font-weight:600}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.07);font-size:13.5px;color:var(--text-3);
}
.fb-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.muted{color:var(--text-3)}
.to-top{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--stroke);color:var(--text-2);font-size:13px;
  transition:all .22s var(--ease);
}
.to-top:hover{color:var(--accent);border-color:rgba(52,224,216,.4);background:rgba(52,224,216,.08)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .page-head-grid{grid-template-columns:1fr;gap:28px}
  .head-visual{max-width:560px}
  .compare-grid{grid-template-columns:1fr}
  .risk-grid{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .nav-search{display:none}
  .section{padding:56px 0}
  .page-head{padding:36px 0 4px}
  .anchor-bar{top:98px}
  .risk-grid{grid-template-columns:1fr}
  .split-note{grid-template-columns:1fr}
  .split-note img{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 28px}
  .fab{
    left:16px;right:16px;bottom:0;padding:8px 0 calc(8px + env(safe-area-inset-bottom));
    gap:8px;opacity:1;transform:none;pointer-events:auto;
    background:rgba(7,10,24,.92);backdrop-filter:blur(16px);
    border-top:1px solid rgba(255,255,255,.1);
  }
  .fab .btn{flex:1;height:44px}
  .fab-icon{width:44px;height:44px;flex:none}
  .site-footer{padding-bottom:78px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:15.5px}
  .btn-lg{height:50px;padding:0 22px;font-size:15px}
  .check-item{padding:18px 18px}
  .compare-card{padding:22px}
  .cta-panel{padding:26px}
  .page-title{font-size:28px}
}

/* roulang page: category2 */
:root{
  --bg:#070A18; --bg-2:#0C1226; --bg-deep:#05070F;
  --surface:rgba(255,255,255,.045); --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.10); --stroke-soft:rgba(255,255,255,.06);
  --primary:#6C5CE7; --primary-deep:#4B3FD0; --primary-soft:#9C8FFF;
  --accent:#34E0D8; --spark:#FFC94A;
  --text:#EAF0FF; --text-2:#A9B4D0; --text-3:#6F7A9C;
  --ok:#3DD68C; --warn:#FFB020; --danger:#FF6B81;
  --radius-lg:28px; --radius:20px; --radius-sm:14px; --radius-pill:999px;
  --shadow:0 20px 60px -30px rgba(0,0,0,.9);
  --glow:0 10px 30px -6px rgba(108,92,231,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 88% -4%, rgba(108,92,231,.12), transparent 70%),
    radial-gradient(620px 460px at -8% 72%, rgba(52,224,216,.08), transparent 72%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{font-weight:700;letter-spacing:-.01em;}
::selection{background:rgba(52,224,216,.28);}
.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;}
.container{width:100%;max-width:1280px !important;margin:0 auto;padding-left:20px;padding-right:20px;position:relative;z-index:1;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease);}
.site-header.is-scrolled{background:rgba(7,10,24,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom-color:rgba(255,255,255,.08);}
.nav-top{display:flex;align-items:center;gap:18px;height:64px;transition:height .24s var(--ease);}
.site-header.is-scrolled .nav-top{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:36px;height:36px;flex-shrink:0;filter:drop-shadow(0 4px 12px rgba(108,92,231,.5));}
.brand-text{font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.brand-key{color:var(--accent);}
.brand-tail{color:var(--text);}
.nav-search{position:relative;flex:1;max-width:420px;margin-left:auto;}
.nav-search .search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-3);}
.nav-search input{
  width:100%;height:40px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--stroke);
  padding:0 16px 0 38px;font-size:14px;color:var(--text);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:rgba(52,224,216,.6);background:rgba(255,255,255,.07);box-shadow:0 0 0 4px rgba(52,224,216,.12),var(--glow);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.tabs-wrap{border-top:1px solid var(--stroke-soft);position:relative;}
.tabs-wrap::after{content:"";position:absolute;right:0;top:0;bottom:0;width:48px;background:linear-gradient(90deg,transparent,rgba(7,10,24,.9));pointer-events:none;}
.tabs{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding:6px 56px 0 0;scrollbar-width:none;}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  display:inline-block;white-space:nowrap;font-size:14px;color:var(--text-2);
  padding:8px 16px 12px;border-bottom:2px solid transparent;scroll-snap-align:start;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
  border-radius:10px 10px 0 0;
}
.tab:hover{color:var(--text);background:rgba(255,255,255,.05);}
.tab.is-active{color:var(--accent);background:rgba(108,92,231,.12);border-bottom-color:var(--accent);box-shadow:0 8px 24px -14px rgba(52,224,216,.9);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:var(--radius-pill);border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;padding:12px 24px;line-height:1.2;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),opacity .22s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:linear-gradient(120deg,var(--primary-deep),var(--primary) 55%,#2bb9b4);color:#fff;box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 40px -8px rgba(108,92,231,.85);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px -8px rgba(108,92,231,.9);}
.btn-ghost{background:transparent;border-color:var(--stroke);color:var(--text-2);}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:var(--text);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;}
.text-link{color:var(--accent);position:relative;font-weight:600;}
.text-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--accent);transition:width .24s var(--ease);}
.text-link:hover::after{width:100%;}

/* ---------- 页面头 ---------- */
.page-hero{padding:56px 0 40px;}
.page-hero-inner{
  display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
  background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius-lg);
  padding:30px 26px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow);
}
@media(min-width:1024px){.page-hero-inner{grid-template-columns:7fr 5fr;padding:40px 40px;gap:34px;}}
.page-hero .crumb{font-size:13px;color:var(--text-3);margin-bottom:14px;}
.page-hero .crumb a{color:var(--text-2);}
.page-hero .crumb a:hover{color:var(--accent);}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);line-height:1.2;}
.page-hero h1 .hl{color:var(--accent);}
.page-hero .lede{margin-top:16px;color:var(--text-2);font-size:16px;max-width:620px;}
.page-hero-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--stroke);min-height:180px;}
.page-hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.82;min-height:180px;}
.page-hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,.15),rgba(7,10,24,.75));}
.page-hero-visual .visual-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;font-size:12px;letter-spacing:.05em;
  padding:6px 12px;border-radius:8px;background:rgba(52,224,216,.12);border:1px solid rgba(52,224,216,.35);color:var(--accent);
}
.search-block{margin-top:24px;position:relative;max-width:620px;}
.search-block svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-3);}
.search-block input{
  width:100%;height:52px;border-radius:var(--radius-sm);
  background:rgba(12,18,38,.96);border:1px solid var(--stroke);
  padding:0 18px 0 48px;font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-block input::placeholder{color:var(--text-3);}
.search-block input:focus{outline:none;border-color:rgba(52,224,216,.6);box-shadow:0 0 0 4px rgba(52,224,216,.12),var(--glow);}
.search-hint{margin-top:10px;font-size:13px;color:var(--text-3);}

/* ---------- 锚点条 ---------- */
.anchorbar{
  position:sticky;top:104px;z-index:40;padding:10px 0;
  background:linear-gradient(180deg,rgba(7,10,24,.92),rgba(7,10,24,.72));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--stroke-soft);
}
.anchor-list{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:2px;scrollbar-width:none;}
.anchor-list::-webkit-scrollbar{display:none;}
.anchor-chip{
  white-space:nowrap;scroll-snap-align:start;font-size:14px;color:var(--text-2);
  padding:8px 18px;border-radius:var(--radius-pill);border:1px solid var(--stroke);background:var(--surface);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.anchor-chip:hover{color:var(--text);background:rgba(255,255,255,.08);}
.anchor-chip.is-active{color:var(--accent);border-color:rgba(52,224,216,.45);background:rgba(52,224,216,.10);box-shadow:0 0 0 3px rgba(52,224,216,.06);}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;position:relative;border-top:1px solid var(--stroke-soft);}
.section:first-of-type{border-top:0;}
.section.alt{background:var(--bg-2);}
.section-head{margin-bottom:36px;}
.section-head .eyebrow{font-size:12px;letter-spacing:.16em;color:var(--accent);text-transform:none;margin-bottom:12px;font-weight:600;}
.section-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:760px;}
.section-head.row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
[id]{scroll-margin-top:140px;}

/* ---------- 快速自查卡 ---------- */
.triage{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.triage{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.triage{grid-template-columns:repeat(3,1fr);}}
.triage-card{
  background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.triage-card:hover{transform:translateY(-4px);border-color:rgba(52,224,216,.28);}
.triage-card.feature{grid-column:1 / -1;}
@media(min-width:1024px){.triage-card.feature{grid-column:span 2;}}
.triage-card .idx{font-size:34px;font-weight:800;color:var(--accent);line-height:1;letter-spacing:-.02em;}
.triage-card h3{font-size:19px;}
.triage-card p{font-size:14px;color:var(--text-2);}
.triage-card .symptom{font-size:13px;color:var(--text-3);border-left:2px solid rgba(52,224,216,.5);padding-left:10px;}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.05em;padding:5px 12px;border-radius:8px;}
.tag-cyan{background:rgba(52,224,216,.10);color:var(--accent);border:1px solid rgba(52,224,216,.28);}
.tag-purple{background:rgba(108,92,231,.14);color:var(--primary-soft);border:1px solid rgba(108,92,231,.35);}
.tag-gold{background:rgba(255,201,74,.12);color:var(--spark);border:1px solid rgba(255,201,74,.32);}
.tag-ok{background:rgba(61,214,140,.12);color:var(--ok);border:1px solid rgba(61,214,140,.3);}
.tag-warn{background:rgba(255,176,32,.12);color:var(--warn);border:1px solid rgba(255,176,32,.32);}

/* ---------- 分组 pill ---------- */
.group-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.group-pill{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);
  padding:10px 18px;border-radius:var(--radius-pill);border:1px solid var(--stroke);background:var(--surface);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.group-pill:hover{color:var(--text);border-color:rgba(52,224,216,.4);transform:translateY(-1px);}
.group-pill .cnt{font-size:12px;color:var(--text-3);}
.group-pill.is-active{color:var(--accent);background:rgba(52,224,216,.10);border-color:rgba(52,224,216,.4);}

/* ---------- FAQ 分组 ---------- */
.faq-group{padding:28px 0;border-top:1px dashed rgba(255,255,255,.08);}
.faq-group:first-of-type{border-top:0;padding-top:0;}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap;}
.faq-group-head h3{font-size:20px;}
.faq-cols{display:grid;grid-template-columns:1fr;gap:12px;}
@media(min-width:1024px){.faq-cols{grid-template-columns:1fr 1fr;gap:14px 20px;align-items:start;}}
.acc{border:1px solid var(--stroke);background:var(--surface);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .24s var(--ease),background .24s var(--ease);}
.acc:hover{border-color:rgba(255,255,255,.18);}
.acc.is-open{border-color:rgba(52,224,216,.35);background:rgba(52,224,216,.04);}
.acc-btn{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  background:none;border:0;cursor:pointer;text-align:left;padding:16px 18px;font-size:15.5px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.acc-btn:hover{color:var(--accent);}
.acc-icon{flex-shrink:0;width:20px;height:20px;position:relative;margin-top:3px;transition:transform .3s var(--ease);}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--accent);border-radius:2px;}
.acc-icon::before{left:0;top:9px;width:20px;height:2px;}
.acc-icon::after{left:9px;top:0;width:2px;height:20px;transition:transform .3s var(--ease),opacity .3s var(--ease);}
.acc.is-open .acc-icon{transform:rotate(180deg);}
.acc.is-open .acc-icon::after{transform:scaleY(0);opacity:0;}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.acc.is-open .acc-panel{max-height:560px;}
.acc-body{padding:0 18px 18px;border-left:2px solid transparent;border-image:linear-gradient(180deg,var(--primary),var(--accent)) 1;margin-left:18px;padding-left:14px;}
.acc-body p{font-size:14.5px;color:var(--text-2);}
.acc-body p + p{margin-top:10px;}
.acc-steps{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.acc-steps li{display:flex;gap:10px;font-size:14px;color:var(--text-2);}
.acc-steps .sn{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:rgba(52,224,216,.12);color:var(--accent);font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700;margin-top:4px;}
.acc-note{margin-top:12px;font-size:13px;color:var(--text-3);padding:10px 12px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--stroke-soft);}

/* ---------- 图文说明 ---------- */
.prep{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
@media(min-width:1024px){.prep{grid-template-columns:5fr 6fr;gap:44px;}}
.prep-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow);}
.prep-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.prep-list{display:flex;flex-direction:column;gap:16px;margin-top:22px;}
.prep-item{display:flex;gap:14px;padding:16px 18px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--stroke);}
.prep-item .dot{flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;box-shadow:0 0 12px rgba(52,224,216,.8);}
.prep-item h4{font-size:15.5px;margin-bottom:4px;}
.prep-item p{font-size:14px;color:var(--text-2);}

/* ---------- 相关入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.entry-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.entry-grid{grid-template-columns:repeat(3,1fr);}}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--stroke);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(52,224,216,.3);}
.entry-card .thumb{position:relative;overflow:hidden;}
.entry-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
.entry-card:hover .thumb img{transform:scale(1.05);}
.entry-card .thumb::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);}
.entry-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-card h3{font-size:17px;}
.entry-card p{font-size:14px;color:var(--text-2);flex:1;}
.entry-card .go{font-size:13px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.entry-card .go svg{transition:transform .24s var(--ease);}
.entry-card:hover .go svg{transform:translateX(4px);}

/* ---------- 未解决 CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--stroke);
  background:linear-gradient(135deg,rgba(108,92,231,.16),rgba(52,224,216,.08) 60%,rgba(255,255,255,.03));
  padding:40px 28px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
}
@media(min-width:1024px){.cta-panel{grid-template-columns:1fr 1fr;padding:48px 44px;gap:40px;}}
.cta-panel h2{font-size:clamp(23px,3vw,32px);line-height:1.3;}
.cta-panel p{margin-top:12px;color:var(--text-2);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;}
.field label{font-size:13px;color:var(--text-2);}
.field input,.field textarea{
  width:100%;background:rgba(12,18,38,.96);border:1px solid var(--stroke);border-radius:var(--radius-sm);
  padding:12px 14px;font-size:14.5px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field textarea:focus{outline:none;border-color:rgba(52,224,216,.6);box-shadow:0 0 0 4px rgba(52,224,216,.12);}
.form-privacy{font-size:12px;color:var(--text-3);margin-top:10px;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:40;display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.icon-fab{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--stroke);backdrop-filter:blur(14px);cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.icon-fab:hover{background:rgba(255,255,255,.1);transform:translateY(-2px);}
@media(max-width:767px){
  .float-cta{left:0;right:0;bottom:0;flex-direction:row;align-items:center;gap:0;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(7,10,24,.92);backdrop-filter:blur(18px);border-top:1px solid var(--stroke);}
  .float-cta .btn-primary{flex:1;height:44px;padding:0 16px;font-size:14px;}
  .float-cta .icon-fab{width:44px;height:44px;border:0;background:transparent;}
  .float-cta .icon-fab.fab-up{display:none;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.08);padding:64px 0 28px;position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--text-2);max-width:340px;line-height:1.9;}
.footer-col h4{font-size:14px;color:var(--accent);letter-spacing:.04em;margin-bottom:14px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.to-top{
  display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--stroke);
  color:var(--text-2);font-size:13px;padding:8px 14px;border-radius:var(--radius-pill);cursor:pointer;
  transition:color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{color:var(--accent);background:rgba(255,255,255,.08);transform:translateY(-1px);}
@media(max-width:767px){
  .section{padding:64px 0;}
  .page-hero{padding:36px 0 28px;}
  .anchorbar{top:96px;}
  .site-footer{padding-bottom:96px;}
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* roulang page: category4 */
:root{
  --bg:#070A18;
  --bg-2:#0C1226;
  --bg-3:#05070F;
  --surface:rgba(255,255,255,.045);
  --stroke:rgba(255,255,255,.10);
  --stroke-soft:rgba(255,255,255,.06);
  --primary:#6C5CE7;
  --primary-deep:#4B3FD0;
  --primary-soft:#9C8FFF;
  --accent:#34E0D8;
  --spark:#FFC94A;
  --text:#EAF0FF;
  --text-2:#A9B4D0;
  --text-3:#6F7A9C;
  --ok:#3DD68C;
  --warn:#FFB020;
  --danger:#FF6B81;
  --panel:rgba(12,18,38,.96);
  --radius-lg:28px;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:8px;
  --shadow:0 20px 60px -30px rgba(0,0,0,.9);
  --glow:0 10px 30px -6px rgba(108,92,231,.55);
  --glow-strong:0 14px 38px -6px rgba(108,92,231,.8);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}
.bg-orbs{position:fixed;inset:0;pointer-events:none;z-index:0;}
.bg-orbs::before{
  content:"";position:absolute;top:-160px;right:-120px;width:720px;height:720px;
  background:radial-gradient(circle,rgba(108,92,231,.12),transparent 66%);
}
.bg-orbs::after{
  content:"";position:absolute;bottom:6%;left:-180px;width:660px;height:660px;
  background:radial-gradient(circle,rgba(52,224,216,.08),transparent 68%);
}
main,header,footer{position:relative;z-index:1;}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-deep) 52%,var(--accent) 130%);
  color:#fff;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow-strong);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 18px -8px rgba(108,92,231,.6);}
.btn-ghost{
  background:transparent;border-color:var(--stroke);color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-text{color:var(--accent);position:relative;font-weight:600;}
.link-text::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--accent);
  transition:width .26s var(--ease);
}
.link-text:hover::after{width:100%;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.05em;
  background:rgba(52,224,216,.08);color:var(--accent);border:1px solid rgba(52,224,216,.22);
}
.pill-warn{background:rgba(255,176,32,.1);color:var(--warn);border-color:rgba(255,176,32,.26);}
.pill-ok{background:rgba(61,214,140,.1);color:var(--ok);border-color:rgba(61,214,140,.26);}
.pill-spark{background:rgba(255,201,74,.1);color:var(--spark);border-color:rgba(255,201,74,.28);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.scrolled{
  background:rgba(7,10,24,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--stroke-soft);
  box-shadow:0 18px 40px -32px rgba(0,0,0,.95);
}
.nav-top{
  display:flex;align-items:center;gap:20px;height:64px;
  transition:height .26s var(--ease);
}
.site-header.scrolled .nav-top{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-key{color:var(--accent);position:relative;}
.brand-key::after{
  content:"";position:absolute;top:-2px;right:-6px;width:5px;height:5px;border-radius:50%;
  background:var(--spark);box-shadow:0 0 8px rgba(255,201,74,.8);
}
.brand-tail{color:var(--text);}
.nav-search{
  position:relative;flex:1 1 auto;max-width:430px;margin:0 auto;
  display:flex;align-items:center;
}
.nav-search input{
  width:100%;padding:10px 16px 10px 42px;border-radius:999px;
  background:var(--surface);border:1px solid var(--stroke);
  color:var(--text);font-size:14px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;border-color:rgba(52,224,216,.55);
  box-shadow:0 0 0 3px rgba(52,224,216,.14),0 0 22px -6px rgba(52,224,216,.6);
}
.search-icon{position:absolute;left:14px;width:17px;height:17px;color:var(--text-3);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.tabs-wrap{
  position:relative;border-top:1px solid var(--stroke-soft);
}
.tabs-wrap::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:48px;
  background:linear-gradient(90deg,transparent,rgba(7,10,24,.9));
  pointer-events:none;
}
.tabs{
  display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:7px 48px 7px 0;scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none;}
.tabs li{scroll-snap-align:start;flex:0 0 auto;}
.tab{
  display:inline-block;position:relative;padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);transition:color .2s var(--ease),background-color .2s var(--ease);
}
.tab:hover{color:var(--text);background:rgba(255,255,255,.05);}
.tab.is-active{color:var(--accent);background:rgba(108,92,231,.12);}
.tab.is-active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(52,224,216,.7);
}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;border-top:1px solid var(--stroke-soft);}
.section.alt{background:var(--bg-2);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-title{font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.01em;line-height:1.25;}
.sec-sub{color:var(--text-2);font-size:15px;margin-top:12px;max-width:660px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;
  color:var(--accent);margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--accent),transparent);}
.glass{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.solid{
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

/* ---------- 页头 ---------- */
.page-head{padding:56px 0 40px;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.5;}
.page-head-panel{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:32px;
  padding:32px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--stroke);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  position:relative;overflow:hidden;
}
.page-head-panel::after{
  content:"";position:absolute;top:-120px;right:-60px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(108,92,231,.22),transparent 68%);
  pointer-events:none;
}
.page-head h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.16;font-weight:800;letter-spacing:-.01em;
}
.page-head-sub{color:var(--text-2);font-size:16px;margin-top:18px;max-width:620px;}
.head-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.head-visual{
  position:relative;border-radius:var(--radius);overflow:hidden;min-height:200px;
  border:1px solid var(--stroke);
}
.head-visual img{width:100%;height:100%;object-fit:cover;opacity:.78;}
.head-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,.1),rgba(7,10,24,.78));
}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:64px;z-index:30;
  background:rgba(7,10,24,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--stroke-soft);
  border-bottom:1px solid var(--stroke-soft);
}
.anchor-inner{
  display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:12px 0;scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 16px;border-radius:999px;font-size:13.5px;color:var(--text-2);
  border:1px solid var(--stroke);background:rgba(255,255,255,.03);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.anchor-inner a:hover{color:var(--text);border-color:rgba(255,255,255,.22);}
.anchor-inner a.is-current{
  color:var(--accent);border-color:rgba(52,224,216,.4);
  background:rgba(52,224,216,.08);box-shadow:0 8px 24px -14px rgba(52,224,216,.9);
}
section[id]{scroll-margin-top:130px;}

/* ---------- 设备横滑 ---------- */
.rail-tools{display:flex;gap:10px;}
.rail-btn{
  width:42px;height:42px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--text);
  cursor:pointer;transition:background-color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.rail-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);transform:translateY(-1px);}
.rail-btn svg{width:16px;height:16px;}
.device-rail{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;
}
.device-rail::-webkit-scrollbar{display:none;}
.device-card{
  flex:0 0 360px;scroll-snap-align:start;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--stroke);border-radius:var(--radius-lg);
  padding:26px;display:flex;flex-direction:column;gap:16px;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.device-card:hover{transform:translateY(-4px);border-color:rgba(52,224,216,.34);}
.device-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.device-icon{
  width:52px;height:52px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(108,92,231,.14);border:1px solid rgba(156,143,255,.24);color:var(--accent);
}
.device-icon svg{width:26px;height:26px;}
.device-name{font-size:20px;font-weight:700;letter-spacing:-.01em;}
.device-desc{color:var(--text-2);font-size:14.5px;}
.spec-list{border-top:1px solid var(--stroke-soft);padding-top:14px;display:flex;flex-direction:column;gap:10px;}
.spec-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:13.5px;}
.spec-row dt{color:var(--text-3);}
.spec-row dd{margin:0;color:var(--text);text-align:right;font-weight:600;}
.qr-zone{display:flex;align-items:center;gap:16px;margin-top:auto;}
.qr-slot{
  width:86px;height:86px;border-radius:14px;flex:0 0 auto;
  border:1px dashed rgba(255,255,255,.22);
  background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 6px,transparent 6px 12px),
    rgba(255,255,255,.02);
}
.down-actions{display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}

/* ---------- 系统要求卡片化表 ---------- */
.req-table{border:1px solid var(--stroke);border-radius:var(--radius-lg);overflow:hidden;background:rgba(255,255,255,.02);}
.req-head,.req-row{
  display:grid;grid-template-columns:1.1fr 1.9fr 1.5fr 1.2fr .9fr;
  gap:16px;padding:18px 24px;align-items:center;
}
.req-head{background:rgba(255,255,255,.05);font-size:13px;letter-spacing:.05em;color:var(--text-2);border-bottom:1px solid var(--stroke);}
.req-row{border-bottom:1px solid var(--stroke-soft);font-size:14.5px;transition:background-color .2s var(--ease);}
.req-row:last-child{border-bottom:0;}
.req-row:hover{background:rgba(255,255,255,.035);}
.req-name{font-weight:700;color:var(--text);}
.req-cell{color:var(--text-2);}
.req-cell strong{color:var(--text);font-weight:600;}

/* ---------- 步骤编号 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.step-card{
  position:relative;padding:26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--stroke);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(108,92,231,.4);}
.step-no{
  font-size:34px;font-weight:800;color:var(--accent);line-height:1;letter-spacing:-.03em;
}
.step-title{font-size:18px;font-weight:700;margin-top:14px;}
.step-text{color:var(--text-2);font-size:14.5px;margin-top:10px;}

/* ---------- 场景卡（不对称） ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.scene-card{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--stroke);
  background:var(--surface);box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(52,224,216,.3);}
.scene-card.wide{grid-column:span 2;flex-direction:row;}
.scene-media{position:relative;overflow:hidden;min-height:180px;}
.scene-card.wide .scene-media{flex:0 0 46%;min-height:100%;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-body{padding:24px;display:flex;flex-direction:column;gap:12px;}
.scene-title{font-size:19px;font-weight:700;}
.scene-text{color:var(--text-2);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:start;}
.faq-item{
  border:1px solid var(--stroke);border-radius:var(--radius-sm);
  background:var(--surface);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.2);}
.faq-item.is-open{border-color:rgba(52,224,216,.34);background:rgba(52,224,216,.04);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--stroke);color:var(--accent);font-size:15px;line-height:1;
  transition:transform .26s var(--ease),background-color .26s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(52,224,216,.12);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a-inner{
  padding:0 20px 20px 22px;color:var(--text-2);font-size:14.5px;
  border-left:2px solid transparent;
  border-image:linear-gradient(180deg,var(--primary),var(--accent)) 1;
  margin-left:20px;
}
.faq-a-inner p{margin:0;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:52px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:32px;align-items:center;
  background:linear-gradient(140deg,rgba(108,92,231,.18),rgba(52,224,216,.07));
  border:1px solid rgba(156,143,255,.28);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-panel::before{
  content:"";position:absolute;bottom:-160px;right:-100px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(52,224,216,.14),transparent 68%);pointer-events:none;
}
.cta-title{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.26;}
.cta-sub{color:var(--text-2);margin-top:14px;font-size:15px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
.cta-note{font-size:12.5px;color:var(--text-3);margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-3);border-top:1px solid var(--stroke-soft);
  padding:64px 0 32px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-mark{width:32px;height:32px;}
.footer-desc{color:var(--text-3);font-size:14px;margin-top:16px;max-width:340px;line-height:1.8;}
.footer-col h4{font-size:14px;color:#8C97B8;letter-spacing:.05em;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--stroke-soft);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.fb-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.muted{font-size:12.5px;color:var(--text-3);}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13px;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--text-2);
  transition:color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{color:var(--text);background:rgba(255,255,255,.1);transform:translateY(-1px);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:26px;z-index:40;
  display:flex;align-items:center;gap:12px;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta.is-hidden{opacity:0;transform:translateY(14px);pointer-events:none;}
.icon-btn{
  width:46px;height:46px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid var(--stroke);color:var(--accent);cursor:pointer;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.icon-btn svg{width:18px;height:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:76px 0;}
  .page-head-panel{grid-template-columns:minmax(0,1fr);}
  .head-visual{min-height:180px;}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-card.wide{grid-column:span 2;flex-direction:column;}
  .scene-card.wide .scene-media{flex:none;min-height:200px;}
  .cta-panel{grid-template-columns:minmax(0,1fr);padding:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .device-card{flex:0 0 320px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-search{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .brand-text{font-size:15.5px;}
  .anchor-bar{top:56px;}
  .section{padding:64px 0;}
  .page-head{padding:36px 0 24px;}
  .page-head-panel{padding:24px;border-radius:var(--radius);}
  .faq-grid{grid-template-columns:minmax(0,1fr);}
  .step-grid{grid-template-columns:minmax(0,1fr);}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .scene-card.wide{grid-column:span 1;}
  .req-head{display:none;}
  .req-row{grid-template-columns:minmax(0,1fr);gap:8px;padding:20px;}
  .req-cell{display:flex;justify-content:space-between;gap:16px;text-align:right;}
  .req-cell::before{
    content:attr(data-label);color:var(--text-3);font-size:13px;text-align:left;flex:0 0 auto;
  }
  .device-card{flex:0 0 84%;}
  .device-rail{padding:6px 0 18px;}
  .site-footer{padding-bottom:104px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    left:0;right:0;bottom:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(7,10,24,.92);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-top:1px solid var(--stroke-soft);
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta .btn{flex:1 1 auto;height:44px;}
}
@media (max-width:520px){
  .brand-tail{display:none;}
  .tab{padding:8px 13px;font-size:13.5px;}
  .page-head h1{font-size:27px;}
  .device-card{flex:0 0 88%;}
  .cta-panel{padding:26px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}