/* roulang page: index */
:root{
  --bg:#0B1120;
  --bg-2:#131A2B;
  --primary:#3DE0C8;
  --secondary:#6C4CF1;
  --accent:#FFB020;
  --text:#E6ECF5;
  --muted:#94A3B8;
  --weak:#64748B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --radius-card:16px;
  --radius-btn:12px;
  --radius-lg:24px;
  --shadow-glow:0 8px 28px rgba(61,224,200,.32);
  --shadow-purple:0 18px 48px rgba(108,76,241,.25);
  --container:1200px;
  --font-cn:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-cn);
  color:var(--text);
  margin:0 0 16px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:.01em;
}
h1{font-size:clamp(30px,4vw,50px);line-height:1.16}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:20px}
p{margin:0 0 16px;color:var(--muted)}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--primary)}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(61,224,200,.28);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:104px 0;position:relative}
.section--alt{background:var(--bg-2)}
.section--tight{padding-top:72px}
.section-head{max-width:760px;margin:0 0 52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);font-weight:600;
  padding:6px 12px;border:1px solid rgba(61,224,200,.35);border-radius:999px;
  background:rgba(61,224,200,.08);margin-bottom:18px;
}
.section-title{margin-bottom:16px}
.section-desc{font-size:16px;color:var(--muted);margin:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),#57e7d2);
  color:#04141a;border-radius:999px;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{color:#04141a;transform:translateY(-2px);box-shadow:0 12px 34px rgba(61,224,200,.44)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,224,200,.3)}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text);
  border:1px solid rgba(108,76,241,.55);
}
.btn-ghost:hover{color:#fff;border-color:var(--secondary);background:rgba(108,76,241,.18);transform:translateY(-2px)}
.btn-soft{
  background:rgba(255,255,255,.05);color:var(--muted);border:1px solid var(--line-2);
}
.btn-soft:hover{color:var(--text);border-color:rgba(61,224,200,.5)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;
  letter-spacing:.04em;
  background:rgba(61,224,200,.12);color:var(--primary);
  border:1px solid rgba(61,224,200,.28);
}
.badge-purple{background:rgba(108,76,241,.16);color:#b6a5ff;border-color:rgba(108,76,241,.4)}
.badge-gold{background:rgba(255,176,32,.14);color:var(--accent);border-color:rgba(255,176,32,.36)}
.tag{
  display:inline-block;padding:5px 11px;border-radius:999px;
  font-size:12px;color:var(--muted);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.tag.is-on{color:var(--primary);border-color:rgba(61,224,200,.45);background:rgba(61,224,200,.1)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,17,32,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(11,17,32,.96);box-shadow:0 12px 32px rgba(0,0,0,.36)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:grid;place-items:center;
  font-weight:700;font-size:15px;color:#04141a;letter-spacing:-.02em;
  box-shadow:0 6px 20px rgba(61,224,200,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.01em}
.brand-text small{font-size:11px;color:var(--weak);letter-spacing:.1em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);font-weight:500;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  box-shadow:0 0 12px rgba(61,224,200,.7);
}
.nav-cta{margin-left:10px;padding:11px 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);
  color:var(--text);font-size:16px;margin-left:auto;
}
.nav-toggle:hover{border-color:rgba(61,224,200,.5);color:var(--primary)}

.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,86vw);z-index:90;
  background:linear-gradient(180deg,#101829,#0B1120);
  border-left:1px solid var(--line-2);
  padding:22px 22px 32px;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);letter-spacing:.1em}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line-2);color:var(--muted)}
.drawer-close:hover{color:var(--primary);border-color:rgba(61,224,200,.5)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.drawer-link{padding:13px 14px;border-radius:12px;font-size:15px;color:var(--muted);border:1px solid transparent}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-link.is-active{color:var(--primary);border-color:rgba(61,224,200,.4);background:rgba(61,224,200,.08)}
.drawer-mask{position:fixed;inset:0;background:rgba(4,8,16,.66);backdrop-filter:blur(2px);z-index:80;opacity:0;pointer-events:none;transition:opacity .25s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
body.no-scroll{overflow:hidden}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 76px;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(11,17,32,.97) 0%,rgba(11,17,32,.88) 42%,rgba(19,26,43,.72) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 68%);
  -webkit-mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{margin-bottom:20px;letter-spacing:.005em}
.hero h1 .hl{
  background:linear-gradient(100deg,var(--primary),#8ef2e4 55%,var(--secondary));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:560px;margin-bottom:8px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn-note{font-size:12px;color:var(--weak);margin-top:10px;width:100%}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:0 30px 80px rgba(0,0,0,.55);
}
.hero-media img{width:100%;height:372px;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,17,32,.05) 40%,rgba(11,17,32,.78) 100%);
}
.media-note{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:#cfe9e4;
  padding:12px 14px;border-radius:12px;
  background:rgba(11,17,32,.62);border:1px solid var(--line-2);
  backdrop-filter:blur(10px);
}
.media-note i{color:var(--primary)}
.stat-bar{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:56px;border-radius:var(--radius-card);overflow:hidden;
  background:var(--line);border:1px solid var(--line);
}
.stat{padding:22px 22px 20px;background:rgba(13,20,36,.82);backdrop-filter:blur(8px)}
.stat b{display:block;font-size:24px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- grid ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

/* ---------- feature cards ---------- */
.feature-card{
  position:relative;padding:28px 24px 26px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(16px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
  overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  opacity:.7;
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(61,224,200,.4);box-shadow:0 20px 46px rgba(0,0,0,.4);background:rgba(255,255,255,.07)}
.feature-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:18px;color:var(--primary);
  background:rgba(61,224,200,.1);border:1px solid rgba(61,224,200,.28);
  margin-bottom:18px;
}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{font-size:14.5px;line-height:1.8;margin:0;color:var(--muted)}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:16px;padding-top:8px}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,rgba(61,224,200,.85) 12%,rgba(108,76,241,.75) 88%,transparent);
}
.tl-item{position:relative;width:50%;padding:0 52px 42px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 42px 52px}
.tl-dot{
  position:absolute;right:-8px;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(61,224,200,.16),0 0 18px rgba(61,224,200,.85);
}
.tl-item:nth-child(even) .tl-dot{left:-8px;right:auto}
.tl-card{
  padding:22px 24px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(61,224,200,.38)}
.tl-time{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--primary);background:rgba(61,224,200,.1);
  border:1px solid rgba(61,224,200,.3);border-radius:6px;
  padding:3px 10px;font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.tl-card h3{font-size:17px;margin-bottom:8px}
.tl-card p{font-size:14.5px;margin:0;color:var(--muted);line-height:1.8}

/* ---------- split blocks ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:88px}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-2)}
.split-media img{width:100%;height:340px;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,32,0) 45%,rgba(11,17,32,.66) 100%)}
.split-media .float-chip{
  position:absolute;left:18px;bottom:18px;z-index:2;
  font-size:12px;color:#cfe9e4;padding:8px 12px;border-radius:8px;
  background:rgba(11,17,32,.66);border:1px solid var(--line-2);
}
.split.reverse .split-media{order:2}
.split h3{font-size:clamp(20px,2vw,26px);margin-bottom:14px}
.split p{font-size:15.5px;margin-bottom:14px}
.check-list{display:flex;flex-direction:column;gap:10px;margin:18px 0 22px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--muted);line-height:1.75}
.check-list li i{color:var(--primary);font-size:13px;margin-top:7px;flex-shrink:0}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--primary)}
.text-link:hover{gap:12px;color:#7cf0de}

/* ---------- path compare ---------- */
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.path-card{
  position:relative;display:flex;flex-direction:column;
  padding:28px 24px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.path-card:hover{transform:translateY(-4px);border-color:rgba(108,76,241,.5)}
.path-card.is-featured{
  border:1px solid rgba(61,224,200,.6);
  box-shadow:0 0 0 1px rgba(61,224,200,.35),var(--shadow-purple);
  transform:translateY(-12px);
  background:linear-gradient(180deg,rgba(61,224,200,.07),rgba(255,255,255,.04));
}
.path-card.is-featured:hover{transform:translateY(-16px)}
.path-flag{
  position:absolute;top:-13px;left:24px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:#1a1200;background:linear-gradient(120deg,var(--accent),#ffd479);
  padding:4px 12px;border-radius:999px;
  box-shadow:0 8px 22px rgba(255,176,32,.35);
}
.path-card h3{font-size:19px;margin-bottom:6px}
.path-sub{font-size:13px;color:var(--weak);margin-bottom:18px}
.path-feats{display:flex;flex-direction:column;gap:11px;margin-bottom:24px}
.path-feats li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7}
.path-feats li i{font-size:12px;margin-top:7px;flex-shrink:0;color:var(--primary)}
.path-feats li.off{color:var(--weak)}
.path-feats li.off i{color:var(--weak)}
.path-card .btn{margin-top:auto}

/* ---------- category entry ---------- */
.entry-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-2);min-height:280px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px 30px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.entry-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .5s ease}
.entry-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(150deg,rgba(11,17,32,.9),rgba(19,26,43,.72));
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(61,224,200,.5);box-shadow:0 24px 58px rgba(0,0,0,.5)}
.entry-card:hover img{transform:scale(1.04)}
.entry-body{position:relative;z-index:2}
.entry-body h3{font-size:22px;margin-bottom:12px}
.entry-body p{font-size:14.5px;margin-bottom:16px;color:#a9b6c8}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}

/* ---------- news list ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.filter-row{display:flex;flex-wrap:wrap;gap:8px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(61,224,200,.42);box-shadow:0 22px 48px rgba(0,0,0,.42)}
.news-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#0d1424}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-badge{
  position:absolute;top:12px;left:12px;
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
  padding:4px 10px;border-radius:6px;
  color:#04141a;background:linear-gradient(120deg,var(--primary),#7deee0);
}
.news-body{display:flex;flex-direction:column;gap:10px;padding:20px 20px 22px;flex:1}
.news-title{font-size:17px;line-height:1.55;font-weight:600;margin:0}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--primary)}
.news-summary{font-size:14px;line-height:1.8;color:var(--muted);margin:0}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--weak);
}
.news-more{font-size:13px;font-weight:600;color:var(--primary)}
.news-more:hover{color:#7cf0de}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  border:1px dashed var(--line-2);border-radius:var(--radius-card);
  background:rgba(255,255,255,.03);
}
.empty-state .empty-mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  display:grid;place-items:center;font-size:22px;color:var(--primary);
  background:rgba(61,224,200,.1);border:1px solid rgba(61,224,200,.3);
}
.empty-state p{margin:0;font-size:15px;color:var(--muted)}

/* ---------- scenario cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:start}
.scene-card{
  padding:24px 22px;border-radius:var(--radius-card);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.scene-card:nth-child(2){margin-top:28px}
.scene-card:nth-child(4){margin-top:28px}
.scene-card:hover{transform:translateY(-3px);border-color:rgba(108,76,241,.5);background:rgba(255,255,255,.06)}
.scene-card .scene-no{
  font-size:13px;font-weight:700;color:var(--secondary);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;display:block;margin-bottom:12px;
}
.scene-card h3{font-size:16.5px;margin-bottom:8px}
.scene-card p{font-size:14px;margin:0;line-height:1.78}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:14px;
  background:rgba(255,255,255,.04);
  transition:border-color .25s ease,background .25s ease;
  overflow:hidden;
}
.faq-item:hover{border-color:var(--line-2)}
.faq-item.is-open{border-color:rgba(61,224,200,.5);background:rgba(61,224,200,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q .q-mark{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;
  display:grid;place-items:center;font-size:12px;font-weight:700;
  color:var(--primary);background:rgba(61,224,200,.12);
  border:1px solid rgba(61,224,200,.3);
}
.faq-q .q-arrow{margin-left:auto;color:var(--weak);font-size:13px;transition:transform .22s ease,color .22s ease}
.faq-item.is-open .q-arrow{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 22px 20px 62px;margin:0;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- cta form ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.02fr .98fr;gap:52px;
  padding:48px 44px;border-radius:var(--radius-lg);
  border:1px solid var(--line-2);
  background:linear-gradient(140deg,rgba(19,26,43,.96),rgba(11,17,32,.96));
}
.cta-panel::before{
  content:"";position:absolute;top:-140px;right:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(108,76,241,.32),transparent 68%);
  pointer-events:none;
}
.cta-panel::after{
  content:"";position:absolute;bottom:-160px;left:-100px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(61,224,200,.22),transparent 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{margin-bottom:16px}
.cta-copy p{font-size:15.5px}
.cta-list{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted)}
.cta-list li i{color:var(--primary);font-size:13px;margin-top:7px}
.form-wrap{position:relative;z-index:2}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--muted);letter-spacing:.03em;font-weight:500}
.field .req{color:var(--accent);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-2);
  color:var(--text);font-size:15px;line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;
}
.field textarea{min-height:96px;resize:vertical}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.field input::placeholder,.field textarea::placeholder{color:var(--weak)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(61,224,200,.18);
  background:rgba(255,255,255,.07);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#ff7b7b;box-shadow:0 0 0 3px rgba(255,123,123,.14)}
.err-msg{display:none;font-size:12px;color:#ff9a9a}
.field.has-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7}
.check-row input{width:16px;height:16px;margin-top:5px;flex-shrink:0;accent-color:var(--primary)}
.form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}
.form-note{font-size:12.5px;color:var(--weak);margin:0}
.form-alert{
  display:none;margin-top:14px;padding:12px 16px;border-radius:12px;
  font-size:14px;color:#a9f5e7;background:rgba(61,224,200,.1);
  border:1px solid rgba(61,224,200,.35);
}
.form-alert.is-show{display:block}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 18px;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{display:block;padding:6px 0;font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--primary)}
.footer-meta{font-size:13.5px;color:var(--muted);line-height:1.9}
.footer-meta strong{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--weak);
}
.footer-bottom p{margin:0;font-size:13px;color:var(--weak)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13px;
  color:var(--muted);border:1px solid var(--line-2);background:rgba(255,255,255,.04);
}
.to-top:hover{color:var(--primary);border-color:rgba(61,224,200,.5);transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 22px}
  .hero-inner{gap:40px}
  .split{gap:40px}
}
@media screen and (max-width:1023px){
  .section{padding:80px 0}
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .hero{padding:72px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-media img{height:300px}
  .stat-bar{grid-template-columns:repeat(2,1fr);margin-top:40px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .scene-card:nth-child(2),.scene-card:nth-child(4){margin-top:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .paths{grid-template-columns:1fr;gap:20px}
  .path-card.is-featured{transform:none}
  .path-card.is-featured:hover{transform:translateY(-4px)}
  .cta-panel{grid-template-columns:1fr;gap:36px;padding:40px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .timeline::before{left:7px;transform:none}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 32px 34px}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:0;right:auto;top:8px}
}
@media screen and (max-width:767px){
  .container{padding:0 16px}
  .section{padding:60px 0}
  .section-head{margin-bottom:34px}
  h1{font-size:clamp(26px,7vw,34px)}
  h2{font-size:clamp(21px,5.6vw,26px)}
  .hero{padding:56px 0 46px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-media img{height:230px}
  .grid-4,.grid-3,.grid-2,.scene-grid,.news-grid,.form-grid{grid-template-columns:1fr}
  .news-grid{gap:20px}
  .split-media img{height:230px}
  .split + .split{margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-a p{padding:0 18px 18px 18px}
  .faq-q{padding:16px 18px;font-size:15px}
  .cta-panel{padding:32px 20px}
  .form-actions .btn{width:100%}
  .brand-text strong{font-size:15px}
}
@media screen and (max-width:520px){
  .brand-text small{display:none}
  .stat{padding:18px 16px}
  .stat b{font-size:20px}
  .stat span{font-size:12px}
  .entry-card{padding:24px 20px;min-height:250px}
  .feature-card{padding:24px 20px}
  .tl-card{padding:18px 18px}
}

/* roulang page: article */
:root{
  --bg-1:#0B1120;
  --bg-2:#131A2B;
  --bg-3:#0F1626;
  --primary:#3DE0C8;
  --primary-soft:rgba(61,224,200,.14);
  --secondary:#6C4CF1;
  --accent:#FFB020;
  --text:#E6ECF5;
  --text-2:#94A3B8;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.07);
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-glow:0 8px 28px rgba(61,224,200,.32);
  --shadow-card:0 18px 48px rgba(108,76,241,.25);
  --container:1200px;
  --sp-section:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-1);
  color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,17,32,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,background-color .25s ease;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px;transition:height .25s ease;}
.site-header.is-scrolled{background:rgba(11,17,32,.95);box-shadow:0 10px 30px rgba(0,0,0,.35);}
.site-header.is-scrolled .header-inner{height:62px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;display:grid;place-items:center;
  font-weight:700;font-size:14px;letter-spacing:.04em;color:#04121B;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  box-shadow:0 6px 20px rgba(61,224,200,.28);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text strong{font-size:16.5px;font-weight:700;line-height:1.25;color:var(--text);white-space:nowrap;}
.brand-text small{font-size:11.5px;color:var(--text-3);letter-spacing:.04em;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:9px 15px;border-radius:10px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  background:var(--glass);color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.nav-toggle:active{transform:translateY(1px);}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,88vw);z-index:120;
  background:linear-gradient(180deg,#111a2c,#0B1120);
  border-left:1px solid var(--line-2);
  transform:translateX(105%);transition:transform .28s ease;
  padding:22px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-2);background:var(--glass);color:var(--text);cursor:pointer;}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:10px;}
.drawer-links{display:flex;flex-direction:column;gap:8px;}
.drawer-links a{
  padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);font-size:15px;color:var(--text-2);
}
.drawer-links a:hover{border-color:var(--primary);color:var(--primary);}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(4,8,16,.66);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),#2fc2ae);color:#04161A;box-shadow:var(--shadow-glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(61,224,200,.42);color:#04161A;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--text);border-radius:var(--radius-btn);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ============ 通用标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;border:1px solid var(--line-2);
  font-size:12.5px;letter-spacing:.04em;color:var(--text-2);background:var(--glass);
}
.tag.is-on{border-color:rgba(61,224,200,.45);color:var(--primary);background:var(--primary-soft);}
.badge-cat{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:6px;
  font-size:12px;letter-spacing:.04em;color:#04121B;font-weight:600;
  background:linear-gradient(135deg,var(--primary),#4fc3f7);
}

/* ============ 文章页头部 ============ */
.page-banner{
  position:relative;padding:52px 0 44px;
  background-image:linear-gradient(180deg,rgba(11,17,32,.72),rgba(11,17,32,.96)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 320px at 18% 0%,rgba(108,76,241,.28),transparent 70%);
}
.breadcrumb{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-2);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .now{color:var(--text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{position:relative;z-index:2;max-width:860px;}
.article-head h1{
  font-size:clamp(26px,3.4vw,42px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:20px;font-size:13.5px;color:var(--text-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block;}
.lead-block{
  margin-top:26px;padding:16px 20px;border-left:3px solid var(--primary);
  background:var(--glass);border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--text-2);font-size:15.5px;line-height:1.8;
}

/* ============ 主体布局 ============ */
.page-main{padding:64px 0 var(--sp-section);background:linear-gradient(180deg,var(--bg-1),var(--bg-2));}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start;}

.panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.article-panel{padding:34px 36px;}
.article-cover{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);margin-bottom:30px;}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

.article-body{color:var(--text);font-size:16px;line-height:1.9;}
.article-body > * + *{margin-top:20px;}
.article-body p{color:#D6DEEB;font-size:16px;line-height:1.9;}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;margin-top:38px;
  padding-left:14px;position:relative;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
}
.article-body h3{font-size:19px;font-weight:650;margin-top:28px;color:var(--text);}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#7DF0DE;}
.article-body ul,.article-body ol{padding-left:0;}
.article-body li{
  position:relative;padding-left:20px;margin-top:10px;color:#D6DEEB;list-style:none;
}
.article-body li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);opacity:.85;
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;padding-left:30px;}
.article-body ol li::before{
  content:counter(li);left:0;top:.24em;width:20px;height:20px;border-radius:6px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--secondary);
  background:rgba(108,76,241,.12);border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:#C9D4E6;
}
.article-body img{border-radius:14px;border:1px solid var(--line);margin:22px 0;}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:14.5px;margin:24px 0;border:1px solid var(--line-2);border-radius:12px;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body th{background:rgba(255,255,255,.06);color:var(--text);font-weight:600;}
.article-body code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:6px;font-size:14px;}
.notice{
  margin:22px 0;padding:14px 18px;border-radius:12px;font-size:14.5px;
  border:1px solid var(--line-2);background:var(--glass);color:var(--text-2);
}
.notice-info{border-color:rgba(61,224,200,.35);background:rgba(61,224,200,.08);}
.notice-hint{border-color:rgba(108,76,241,.4);background:rgba(108,76,241,.1);}
.notice-warn{border-color:rgba(255,176,32,.4);background:rgba(255,176,32,.09);}

.empty-state{
  text-align:center;padding:60px 24px;border:1px dashed var(--line-2);border-radius:var(--radius-card);
  background:var(--glass);
}
.empty-state .icon{
  width:64px;height:64px;border-radius:18px;margin:0 auto 18px;display:grid;place-items:center;
  font-size:24px;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(61,224,200,.3);
}
.empty-state h2{font-size:20px;font-weight:700;}
.empty-state p{margin-top:10px;color:var(--text-2);font-size:14.5px;}
.empty-state .btn{margin-top:22px;}

/* 侧边栏 */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{padding:22px 22px 24px;border-radius:var(--radius-card);}
.side-card h3{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--primary);}
.toc-list{display:flex;flex-direction:column;gap:6px;max-height:320px;overflow-y:auto;}
.toc-list a{
  font-size:14px;color:var(--text-2);padding:7px 10px;border-radius:9px;border-left:2px solid transparent;
}
.toc-list a:hover{color:var(--primary);background:var(--primary-soft);border-left-color:var(--primary);}
.side-note{font-size:13.5px;color:var(--text-2);line-height:1.8;}
.side-list{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 13px;border-radius:12px;border:1px solid var(--line);background:var(--glass);
  font-size:14px;color:var(--text-2);
}
.side-list a:hover{border-color:var(--primary);color:var(--primary);}
.side-list a i{font-size:12px;opacity:.7;}

/* ============ 相关推荐 / 通用板块 ============ */
.section{padding-top:var(--sp-section);}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line);background:var(--glass);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(61,224,200,.4);box-shadow:0 18px 40px rgba(0,0,0,.4);}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb .badge-cat{position:absolute;left:12px;top:12px;}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:17px;font-weight:650;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-body h3{color:var(--primary);}
.news-body p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.news-foot .more{color:var(--primary);font-weight:600;}

/* CTA 条 */
.cta-bar{
  margin-top:var(--sp-section);padding:34px 38px;border-radius:20px;
  border:1px solid rgba(61,224,200,.28);
  background:linear-gradient(120deg,rgba(61,224,200,.12),rgba(108,76,241,.18)),var(--bg-3);
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-bar h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;}
.cta-bar p{margin-top:8px;color:var(--text-2);font-size:14.5px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--glass);overflow:hidden;transition:border-color .22s ease;}
.faq-item.is-open{border-color:rgba(61,224,200,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:17px 20px;background:transparent;border:0;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .mark{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(61,224,200,.3);
}
.faq-q i.chev{margin-left:auto;color:var(--text-3);transition:transform .22s ease;}
.faq-item.is-open .faq-q i.chev{transform:rotate(180deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 20px 20px 60px;color:var(--text-2);font-size:14.5px;line-height:1.85;}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--sp-section);background:var(--bg-3);border-top:1px solid var(--line);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;max-width:340px;}
.entry-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-2);font-size:14px;}
.footer-links a:hover{color:var(--primary);}
.footer-meta p{color:var(--text-2);font-size:14px;line-height:1.85;}
.footer-meta p + p{margin-top:10px;}
.footer-meta strong{color:var(--text);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line-2);font-size:13px;color:var(--text-2);background:var(--glass);
}
.to-top:hover{border-color:var(--primary);color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sp-section:88px;}
  .article-layout{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:30px;}
  .article-panel{padding:30px 28px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
}
@media (max-width:767px){
  :root{--sp-section:64px;}
  .container{padding:0 16px;}
  .brand-text strong{font-size:15px;white-space:normal;}
  .header-actions .btn-primary{display:none;}
  .page-banner{padding:34px 0 30px;}
  .page-main{padding:36px 0 64px;}
  .article-panel{padding:22px 18px;}
  .article-body{padding-left:0;}
  .article-body h2{font-size:21px;}
  .faq-a p{padding-left:20px;}
  .cta-bar{padding:26px 20px;}
  .cta-actions .btn{width:100%;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:420px){
  .brand-mark{width:38px;height:38px;flex-basis:38px;font-size:12.5px;}
  .brand-text small{display:none;}
  .article-meta{font-size:12.5px;}
  .btn{padding:11px 18px;font-size:14.5px;}
}

/* roulang page: category1 */
/* ===================== 设计变量 ===================== */
:root{
  --bg:#0B1120;
  --bg-2:#131A2B;
  --bg-3:#0E1526;
  --panel:rgba(255,255,255,.05);
  --panel-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --primary:#3DE0C8;
  --primary-soft:rgba(61,224,200,.14);
  --second:#6C4CF1;
  --accent:#FFB020;
  --text:#E6ECF5;
  --muted:#94A3B8;
  --weak:#64748B;
  --r-card:16px;
  --r-btn:12px;
  --r-tag:6px;
  --glow:0 8px 28px rgba(61,224,200,.32);
  --glow-card:0 18px 48px rgba(108,76,241,.25);
  --font-cn:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:#7CF0DE}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);line-height:1.25;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin-bottom:.4em}
button{font-family:inherit;cursor:pointer}
::selection{background:rgba(61,224,200,.28);color:#fff}

/* ===================== 容器与通用 ===================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
main{display:block}
.section{padding:96px 0}
.section--alt{background:var(--bg-2)}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(61,224,200,.28);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:12px}
.h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.h3{font-size:20px;margin-bottom:10px}
.lead{color:var(--muted);font-size:16px;margin:0}
.mono{font-family:Inter,"HarmonyOS Sans",system-ui,sans-serif;font-variant-numeric:tabular-nums;font-weight:600}

/* ===================== 顶部导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(11,17,32,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,background .25s ease;
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--second));
  color:#08131F;font-weight:800;font-size:14px;letter-spacing:.04em;
  box-shadow:0 6px 18px rgba(61,224,200,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-text small{font-size:12px;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--second));
  box-shadow:0 0 12px rgba(61,224,200,.7);
}
.nav-cta{
  flex-shrink:0;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  font-size:14px;font-weight:600;color:#08131F;
  background:linear-gradient(135deg,var(--primary),#2FC9B4);
  box-shadow:var(--glow);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#08131F;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 32px rgba(61,224,200,.42)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line-2);color:var(--text);font-size:16px;
}
.nav-toggle:hover{background:var(--panel-strong)}

/* ===================== 页面横幅 ===================== */
.page-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-3)}
.page-banner .banner-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(70% 90% at 12% 10%,rgba(61,224,200,.18),transparent 62%),
    linear-gradient(180deg,rgba(11,17,32,.72) 0%,rgba(11,17,32,.94) 100%);
}
.banner-inner{position:relative;z-index:2;padding:52px 0 48px;max-width:860px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:18px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb span{color:var(--weak)}
.banner-title{
  font-size:clamp(30px,4vw,44px);
  line-height:1.18;margin-bottom:16px;letter-spacing:-.01em;
}
.banner-sub{color:var(--muted);font-size:17px;max-width:680px;margin-bottom:26px}
.banner-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;
  padding:12px 18px;border-radius:14px;
  background:var(--panel);border:1px solid var(--line-2);
  backdrop-filter:blur(12px);
}
.stat-pill strong{font-size:20px;color:var(--primary);font-family:Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums}
.stat-pill span{font-size:13px;color:var(--muted)}

/* ===================== 分类切换胶囊 ===================== */
.cat-switch-wrap{border-bottom:1px solid var(--line);background:rgba(19,26,43,.6)}
.cat-switch{display:flex;flex-wrap:wrap;gap:10px;padding:16px 0}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  font-size:14px;color:var(--muted);
  background:var(--panel);border:1px solid var(--line);
  transition:all .2s ease;
}
.cat-chip:hover{color:var(--text);border-color:var(--line-2);transform:translateY(-2px)}
.cat-chip.is-active{
  color:#08131F;font-weight:600;
  background:linear-gradient(135deg,var(--primary),#2FC9B4);
  border-color:transparent;box-shadow:var(--glow);
}
.cat-chip.is-active:hover{color:#08131F}

/* ===================== 分栏与卡片 ===================== */
.split-row{margin-bottom:0}
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.panel + .panel{margin-top:20px}
.article-block h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:14px}
.article-block h3{font-size:19px;margin:26px 0 10px;color:var(--text)}
.article-block p{color:#C8D3E2;margin-bottom:16px}
.article-block p:last-child{margin-bottom:0}
.inline-note{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:22px;padding:16px 18px;border-radius:14px;
  background:rgba(108,76,241,.12);
  border:1px solid rgba(108,76,241,.32);
  color:#CFC6FF;font-size:14px;line-height:1.7;
}
.inline-note i{color:#A794FF;margin-top:4px}
.side-title{
  font-size:15px;letter-spacing:.06em;color:var(--primary);
  margin-bottom:16px;display:flex;align-items:center;gap:8px;
}
.num-list{list-style:none;margin:0;padding:0}
.num-list li{
  display:flex;gap:14px;
  padding:16px 0;
  border-bottom:1px dashed var(--line);
}
.num-list li:last-child{border-bottom:0;padding-bottom:0}
.num-list li:first-child{padding-top:0}
.num-badge{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(61,224,200,.28);
}
.num-list strong{display:block;font-size:15px;margin-bottom:2px}
.num-list p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ===================== 图文准备清单 ===================== */
.media-row{align-items:center}
.media-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line-2);
  background:var(--bg-3);
  box-shadow:var(--glow-card);
}
.media-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.media-figure figcaption{
  padding:12px 18px;font-size:13px;color:var(--weak);
  border-top:1px solid var(--line);
}
.check-list{list-style:none;margin:0;padding:0}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:#C8D3E2;
  padding:9px 0;
}
.check-list i{color:var(--primary);font-size:14px;margin-top:6px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--r-tag);
  color:var(--muted);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);
}
.tag.is-on{color:var(--primary);border-color:rgba(61,224,200,.4);background:var(--primary-soft)}

/* ===================== 步骤条 ===================== */
.step-track{
  list-style:none;margin:0;padding:0;
  display:grid;gap:20px;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.step-item{
  position:relative;
  padding:26px 22px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step-item::before{
  content:"";position:absolute;top:0;left:22px;right:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--second));
  opacity:.7;
}
.step-item:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.step-num{
  display:inline-block;
  font-family:Inter,system-ui,sans-serif;font-size:26px;font-weight:700;
  color:transparent;
  -webkit-text-stroke:1px rgba(61,224,200,.7);
  margin-bottom:10px;
}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ===================== 表格资料 ===================== */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--panel);
}
.table-scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:720px}
thead th{
  text-align:left;font-size:13px;letter-spacing:.06em;color:var(--primary);
  background:rgba(61,224,200,.08);
  padding:16px 20px;font-weight:600;
  border-bottom:1px solid var(--line-2);
}
tbody td{
  padding:16px 20px;font-size:14.5px;color:#C8D3E2;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:rgba(255,255,255,.03)}
tbody td strong{color:var(--text)}

/* ===================== FAQ ===================== */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.is-open{border-color:rgba(61,224,200,.45);box-shadow:0 12px 32px rgba(61,224,200,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;
  background:transparent;border:0;
  padding:20px 22px;
  text-align:left;font-size:16px;color:var(--text);font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(255,255,255,.04)}
.faq-q .q-bar{
  width:3px;height:18px;border-radius:2px;flex-shrink:0;
  background:linear-gradient(180deg,var(--primary),var(--second));
}
.faq-q .q-icon{margin-left:auto;color:var(--muted);font-size:14px;transition:transform .22s ease}
.faq-item.is-open .faq-q .q-icon{transform:rotate(180deg);color:var(--primary)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{
  padding:0 22px 22px 37px;
  font-size:14.5px;color:var(--muted);line-height:1.8;
}
.faq-a-inner p{margin:0}

/* ===================== CTA 条 ===================== */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  padding:40px 44px;
  border-radius:22px;
  background:
    radial-gradient(60% 120% at 100% 0%,rgba(108,76,241,.35),transparent 65%),
    linear-gradient(135deg,rgba(61,224,200,.16),rgba(255,255,255,.04));
  border:1px solid var(--line-2);
  box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.cta-text{flex:1 1 380px}
.cta-text h2{font-size:clamp(21px,2.2vw,27px);margin-bottom:8px}
.cta-text p{margin:0;color:var(--muted);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  color:#08131F;
  background:linear-gradient(135deg,var(--primary),#2FC9B4);
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#08131F;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 14px 34px rgba(61,224,200,.44)}
.btn-ghost{
  color:var(--text);
  background:transparent;
  border-color:var(--line-2);
}
.btn-ghost:hover{color:var(--primary);border-color:rgba(61,224,200,.5);background:var(--primary-soft);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--bg-3);
  border-top:1px solid var(--line);
  padding:72px 0 32px;
  margin-top:0;
}
.footer-grid{
  display:grid;gap:40px;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);letter-spacing:.02em}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--primary)}
.footer-meta p{font-size:14px;color:var(--muted);margin-bottom:10px}
.footer-meta strong{color:var(--text);font-weight:600}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--weak)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  padding:9px 16px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--panel);
}
.to-top:hover{color:var(--primary);border-color:rgba(61,224,200,.45)}

/* ===================== 响应式 ===================== */
@media (max-width:1199px){
  .section{padding:80px 0}
  .step-track{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .nav-toggle{display:grid;place-items:center}
  .nav-cta{display:none}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;
    width:min(320px,86vw);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 20px 28px;
    background:rgba(11,17,32,.98);
    border-left:1px solid var(--line-2);
    transform:translateX(105%);
    transition:transform .28s ease;
    z-index:95;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:12px;background:rgba(255,255,255,.03)}
  .nav-link.is-active::after{left:16px;right:16px;bottom:8px}
  .nav-overlay{
    position:fixed;inset:0;background:rgba(5,9,18,.6);
    opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
    z-index:94;
  }
  .nav-overlay.is-open{opacity:1;visibility:visible}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .banner-inner{padding:44px 0 40px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .header-inner{height:64px}
  .brand-text strong{font-size:15px}
  .brand-mark{width:36px;height:36px;border-radius:10px}
  .banner-title{font-size:30px}
  .banner-sub{font-size:15px}
  .stat-pill{padding:10px 14px}
  .stat-pill strong{font-size:18px}
  .step-track{grid-template-columns:1fr}
  .panel{padding:22px}
  .cta-bar{padding:28px 22px;border-radius:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:15px;padding:18px}
  .faq-a-inner{padding:0 18px 20px 33px}
  .cat-switch{padding:14px 0;gap:8px}
  .cat-chip{font-size:13px;padding:9px 14px}
}
@media (max-width:419px){
  .brand-text small{display:none}
  .banner-title{font-size:26px}
  .banner-stats{gap:10px}
  .stat-pill span{font-size:12px}
  .section{padding:48px 0}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B1120;
  --bg-1:#131A2B;
  --bg-2:#0F1626;
  --primary:#3DE0C8;
  --primary-soft:rgba(61,224,200,.12);
  --primary-line:rgba(61,224,200,.42);
  --accent:#6C4CF1;
  --accent-soft:rgba(108,76,241,.18);
  --gold:#FFB020;
  --text:#E6ECF5;
  --text-2:#94A3B8;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.07);
  --radius:16px;
  --radius-sm:12px;
  --radius-tag:6px;
  --shadow-glow:0 8px 28px rgba(61,224,200,.32);
  --shadow-card:0 18px 48px rgba(108,76,241,.25);
  --font:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(30px,4vw,52px);line-height:1.15}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:20px}
h4{font-size:16px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
img{max-width:100%;display:block;object-fit:cover}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
::selection{background:rgba(61,224,200,.3);color:#fff}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.grid-x{display:flex;flex-wrap:wrap}
.cell{min-width:0}
.small-12{width:100%}
.text-2{color:var(--text-2)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(11,17,32,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,background .25s ease;
}
.site-header.is-scrolled{height:60px;background:rgba(11,17,32,.94);border-bottom-color:var(--line-2)}
.header-inner{display:flex;align-items:center;gap:24px;width:100%}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  font-family:var(--mono);font-weight:700;font-size:15px;letter-spacing:.02em;
  color:#04121A;
  background:linear-gradient(135deg,var(--primary),#7CF0DE 60%,var(--accent));
  box-shadow:0 6px 20px rgba(61,224,200,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-text small{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;
  padding:8px 14px;border-radius:var(--radius-tag);
  font-size:15px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--text);background:var(--glass)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);background:var(--primary-soft)}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(61,224,200,.6)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-tag);
  border:1px solid var(--line-2);color:var(--text);
  align-items:center;justify-content:center;font-size:16px;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--primary-line);background:var(--glass)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,opacity .2s ease;
}
.btn-primary{
  color:#04121A;
  background:linear-gradient(135deg,var(--primary),#79ECDA);
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(61,224,200,.42)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{
  color:var(--text);border-color:var(--line-2);background:var(--glass);
  border-radius:var(--radius-sm);
}
.btn-ghost:hover{border-color:var(--primary-line);color:#fff;transform:translateY(-2px);background:var(--glass-2)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-line{
  border-radius:var(--radius-sm);border-color:var(--accent);
  color:#CFC6FF;background:var(--accent-soft);
}
.btn-line:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(108,76,241,.32);color:#fff}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:var(--bg-1);border-left:1px solid var(--line-2);
  padding:24px;transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--radius-tag);border:1px solid var(--line-2);display:grid;place-items:center}
.drawer-close:hover{border-color:var(--primary-line)}
.drawer-group h4{font-size:12px;letter-spacing:.14em;color:var(--text-3);text-transform:uppercase;margin-bottom:10px}
.drawer-link{display:block;padding:12px 14px;border-radius:var(--radius-tag);color:var(--text-2);font-size:15px;border:1px solid transparent}
.drawer-link:hover,.drawer-link.is-active{color:var(--text);background:var(--glass);border-color:var(--line)}
.drawer-link.is-active{border-color:var(--primary-line);box-shadow:inset 0 0 0 1px rgba(61,224,200,.15)}
.drawer-cta{margin-top:auto}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,16,.68);z-index:70;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* 页面横幅 */
.page-banner{
  position:relative;padding:104px 0 72px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 100% at 12% 0%,rgba(108,76,241,.30),transparent 58%),
    linear-gradient(180deg,rgba(11,17,32,.88) 0%,rgba(11,17,32,.90) 45%,var(--bg-0) 100%);
}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--primary-line);
  background:var(--primary-soft);
  color:var(--primary);font-size:12px;letter-spacing:.1em;
  margin-bottom:18px;
}
.page-banner h1{max-width:900px;margin-bottom:18px}
.page-banner h1 .hl{
  background:linear-gradient(120deg,var(--primary),#9CF3E6 55%,var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-lead{max-width:720px;color:var(--text-2);font-size:16px;margin-bottom:26px}
.banner-metrics{display:flex;flex-wrap:wrap;gap:14px}
.metric{
  min-width:150px;padding:14px 20px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.metric b{display:block;font-family:var(--mono);font-size:20px;font-weight:600;color:var(--primary)}
.metric span{font-size:13px;color:var(--text-2)}

/* 分类切换 */
.cat-switch{padding:28px 0 0}
.cat-tabs{display:flex;flex-wrap:wrap;gap:12px}
.cat-tab{
  padding:11px 22px;border-radius:999px;font-size:15px;color:var(--text-2);
  border:1px solid var(--line-2);background:var(--glass);
  transition:all .22s ease;
}
.cat-tab:hover{color:var(--text);border-color:var(--primary-line);transform:translateY(-2px)}
.cat-tab.is-active{
  color:#04121A;font-weight:600;
  background:linear-gradient(135deg,var(--primary),#79ECDA);
  border-color:transparent;box-shadow:var(--shadow-glow);
}

/* 通用板块 */
.section{padding:92px 0}
.section.tint{background:var(--bg-1)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.18em;
  color:var(--primary);margin-bottom:14px;
}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}

/* 索引条与标签云 */
.index-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:18px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  margin-bottom:36px;
}
.index-strip .strip-label{font-size:13px;color:var(--text-3);letter-spacing:.08em;margin-right:6px}
.index-nav{display:flex;flex-wrap:wrap;gap:10px}
.index-nav a{
  padding:7px 16px;border-radius:999px;font-size:14px;color:var(--text-2);
  border:1px solid var(--line);
}
.index-nav a:hover{color:var(--primary);border-color:var(--primary-line);background:var(--primary-soft)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tag{
  padding:5px 12px;border-radius:var(--radius-tag);font-size:12px;letter-spacing:.04em;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.tag.is-on{color:var(--primary);border-color:var(--primary-line);background:var(--primary-soft)}

/* 通栏说明 */
.intro-panel{
  display:grid;grid-template-columns:1.35fr 1fr;gap:40px;
  padding:38px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(19,26,43,.9),rgba(11,17,32,.9));
  border:1px solid var(--line);
}
.intro-panel h3{margin-bottom:14px;font-size:22px}
.intro-panel p{color:var(--text-2)}
.intro-side{display:flex;flex-direction:column;gap:14px;border-left:1px solid var(--line);padding-left:32px}
.intro-side .side-item{display:flex;gap:12px;align-items:flex-start}
.intro-side .side-num{
  flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border:1px solid var(--primary-line);
}
.intro-side strong{display:block;font-size:15px;margin-bottom:2px}
.intro-side span{font-size:14px;color:var(--text-2)}

/* 卡片矩阵（交错） */
.matrix{margin:0 -12px}
.matrix > .cell{padding:0 12px;margin-bottom:26px}
.m-card{
  height:100%;display:flex;flex-direction:column;
  border-radius:var(--radius);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.m-card:hover{transform:translateY(-4px);border-color:var(--primary-line);box-shadow:var(--shadow-card)}
.m-card .m-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.m-card .m-media img{width:100%;height:100%;transition:transform .35s ease}
.m-card:hover .m-media img{transform:scale(1.03)}
.m-card .m-badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:var(--radius-tag);font-size:12px;
  color:#04121A;background:rgba(61,224,200,.92);font-weight:600;letter-spacing:.04em;
}
.m-card .m-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.m-card h3{font-size:19px;transition:color .2s ease}
.m-card:hover h3{color:var(--primary)}
.m-card p{font-size:14px;color:var(--text-2);margin:0}
.m-list{display:flex;flex-direction:column;gap:8px;margin-top:auto;padding-top:8px}
.m-list li{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--text-2)}
.m-list li i{color:var(--primary);font-size:11px;margin-top:7px}

/* 活动类型对比条 */
.compare-list{display:flex;flex-direction:column;gap:14px}
.compare-row{
  display:grid;grid-template-columns:200px 1fr 220px;gap:22px;align-items:center;
  padding:22px 26px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease,background .22s ease;
}
.compare-row:hover{border-color:var(--primary-line);transform:translateX(4px);background:var(--glass-2)}
.compare-key{font-size:17px;font-weight:600;display:flex;align-items:center;gap:10px}
.compare-key .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(108,76,241,.8)}
.compare-desc{font-size:14px;color:var(--text-2);margin:0}
.compare-meta{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.badge{
  padding:5px 12px;border-radius:var(--radius-tag);font-size:12px;
  color:var(--primary);border:1px solid var(--primary-line);background:var(--primary-soft);
}
.badge.gold{color:var(--gold);border-color:rgba(255,176,32,.4);background:rgba(255,176,32,.1)}

/* 编号步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{
  position:relative;padding:28px 24px;border-radius:var(--radius);
  background:var(--bg-0);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--primary-line)}
.step .step-num{
  font-family:var(--mono);font-size:26px;font-weight:600;color:var(--primary);
  display:block;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14px;color:var(--text-2);margin:0}
.step-line{
  position:absolute;top:50%;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-2) 12%,var(--line-2) 88%,transparent);
  z-index:-1;
}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--glass);
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item:hover{border-color:var(--line-2)}
.faq-item.is-open{border-color:var(--primary-line);background:rgba(61,224,200,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-idx{font-family:var(--mono);font-size:13px;color:var(--primary);flex:none}
.faq-text{flex:1}
.faq-chev{color:var(--text-3);font-size:13px;transition:transform .22s ease,color .22s ease}
.faq-item.is-open .faq-chev{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{padding:0 24px 22px 58px;font-size:15px;color:var(--text-2)}

/* CTA 条 */
.cta-bar{
  position:relative;overflow:hidden;
  padding:52px;border-radius:20px;
  background:linear-gradient(120deg,rgba(108,76,241,.22),rgba(61,224,200,.14));
  border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-bar::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,224,200,.28),transparent 68%);
}
.cta-bar h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;position:relative;z-index:1}
.cta-bar p{color:var(--text-2);font-size:15px;margin:0;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* 页脚 */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:66px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px}
.footer-col h4{font-size:15px;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.footer-brand p{font-size:14px;color:var(--text-2);margin:16px 0 18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.footer-meta p{font-size:14px;color:var(--text-2);margin-bottom:12px}
.footer-meta strong{color:var(--text)}
.entry-tags{display:flex;gap:8px;flex-wrap:wrap}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);margin:0}
.to-top{font-size:13px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px}
.to-top:hover{color:var(--primary)}

/* 响应式 */
@media (max-width:1199px){
  .compare-row{grid-template-columns:170px 1fr 190px}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .intro-panel{grid-template-columns:1fr;gap:26px}
  .intro-side{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .matrix > .cell.small-12{width:50%}
  .matrix > .cell:nth-child(2n){margin-top:26px}
  .matrix > .cell:nth-child(2n+1){margin-top:0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:58px 0}
  .page-banner{padding:64px 0 48px}
  .banner-lead{font-size:15px}
  .banner-metrics{gap:10px}
  .metric{min-width:0;flex:1 1 45%;padding:12px 16px}
  .brand-text strong{font-size:15px}
  .brand-text small{display:none}
  .brand-mark{width:36px;height:36px}
  .matrix{margin:0}
  .matrix > .cell,
  .matrix > .cell.small-12{width:100%;padding:0;margin-bottom:20px}
  .matrix > .cell:nth-child(2n),
  .matrix > .cell:nth-child(2n+1),
  .matrix > .cell:nth-child(3n),
  .matrix > .cell:nth-child(3n+2){margin-top:0}
  .compare-row{grid-template-columns:1fr;gap:12px;padding:20px}
  .compare-meta{justify-content:flex-start}
  .steps{grid-template-columns:1fr}
  .cta-bar{padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .faq-a-inner{padding-left:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (min-width:768px){
  .medium-6{width:50%}
}
@media (min-width:1024px){
  .large-4{width:33.3333%}
}
@media (max-width:419px){
  .metric b{font-size:18px}
  .page-banner h1{font-size:27px}
  .section-head h2{font-size:22px}
}