/* roulang page: index */
:root{
  --brand:#5B3DF5;
  --brand-dark:#3B21C9;
  --brand-2:#8B5CF6;
  --teal:#12C2A8;
  --amber:#FFB020;
  --coral:#FF5C7A;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --dark:#17132E;
  --t1:#1A1633;
  --t2:#56527A;
  --t3:#8B87A8;
  --line:#E8E4F7;
  --brand-soft:#EFEBFF;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8B5CF6 48%,#12C2A8 100%);
  --warm:linear-gradient(90deg,#FFB020,#FF5C7A);
  --r-card:24px;
  --r-img:18px;
  --r-input:12px;
  --r-pill:999px;
  --sh:0 6px 20px rgba(91,61,245,.07);
  --sh-hover:0 18px 44px rgba(91,61,245,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --num:"Manrope","Inter","DIN Alternate",-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
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;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
h3{font-size:clamp(18px,2vw,22px);line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(91,61,245,.18);border-radius:8px}
::selection{background:rgba(91,61,245,.18)}

/* ---------- 容器与板块 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{margin-bottom:44px}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;letter-spacing:.02em;
}
.sec-head .kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad)}
.sec-head h2{max-width:760px}
.sec-head .lead{margin-top:14px;color:var(--t2);font-size:16px;max-width:720px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.more-link{font-size:14.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:gap .25s var(--ease)}
.more-link:hover{gap:10px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),filter .25s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(91,61,245,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(91,61,245,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.24)}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-light:active{transform:translateY(1px)}
.btn-note{font-size:12.5px;color:var(--t3);margin-top:10px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:10px 16px;box-shadow:var(--sh);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.badge:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.badge .ico{
  width:32px;height:32px;border-radius:10px;flex:0 0 32px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:15px;font-weight:700;
}
.badge .txt{display:flex;flex-direction:column;line-height:1.25}
.badge .num{font-family:var(--num);font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.badge .lab{font-size:12.5px;color:var(--t3)}
.badge.is-warm .ico{background:rgba(255,176,32,.16);color:#E08A00}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:var(--brand);background:var(--brand-soft);
}
.tag.is-teal{color:#0E9C88;background:rgba(18,194,168,.14)}
.tag.is-warm{color:#C98600;background:rgba(255,176,32,.16)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 26px rgba(23,19,46,.07)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num);font-size:15px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(91,61,245,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:11.5px;color:var(--t3);letter-spacing:.06em;font-family:var(--num)}
.nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--t2);
  transition:background-color .25s var(--ease),color .25s var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-cta{
  margin-left:12px;height:42px;padding:0 22px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:15px;font-weight:600;color:#fff;
  background:var(--grad);box-shadow:0 8px 20px rgba(91,61,245,.26);
  transition:transform .25s var(--ease),filter .25s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.06)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(120deg,rgba(247,245,255,.96) 0%,rgba(247,245,255,.74) 46%,rgba(18,194,168,.20) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  background-color:#EFEBFF;
  padding:72px 0 88px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.20) 0%,rgba(18,194,168,.10) 45%,rgba(247,245,255,0) 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:58% 42%;gap:48px;align-items:center;min-height:560px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 16px;font-size:13px;font-weight:600;color:var(--brand);margin-bottom:22px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--grad);display:block}
.hero h1{margin-bottom:20px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#5B3DF5,#12C2A8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17.5px;color:var(--t2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:34px}
.hero-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:620px}
.hero-visual{position:relative}
.device{
  position:relative;border-radius:32px;overflow:hidden;
  border:1px solid var(--line);background:#fff;
  box-shadow:0 26px 60px rgba(91,61,245,.22);
  aspect-ratio:4/5;max-width:400px;margin-left:auto;
}
.device img{width:100%;height:100%;object-fit:cover}
.device::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,19,46,0) 52%,rgba(23,19,46,.55) 100%);
}
.device-cap{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;font-weight:500;
}
.device-cap b{font-family:var(--num);font-size:15px;font-weight:700}
.float-badge{
  position:absolute;left:-26px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:10px 16px;box-shadow:0 14px 34px rgba(23,19,46,.14);
}
.float-badge.one{top:34px;animation:floaty 5s ease-in-out infinite}
.float-badge.two{bottom:56px;left:-38px;animation:floaty 5s ease-in-out infinite .8s}
.float-badge .dot{width:9px;height:9px;border-radius:50%;background:var(--teal);display:block}
.float-badge .dot.amber{background:var(--amber)}
.float-badge .txt{display:flex;flex-direction:column;line-height:1.25}
.float-badge b{font-family:var(--num);font-size:15px;font-variant-numeric:tabular-nums}
.float-badge small{font-size:11.5px;color:var(--t3)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ---------- 价值区（非对称） ---------- */
.value-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}
.v-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  display:flex;flex-direction:column;gap:16px;
}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.v-card h3{margin-bottom:8px}
.v-card p{font-size:15px;color:var(--t2)}
.v-card.big{
  grid-row:span 1;flex-direction:row;align-items:center;gap:28px;padding:30px;
  background:linear-gradient(140deg,#FFFFFF 0%,#FBFAFF 60%,#F3F0FF 100%);
}
.v-card.big .v-text{flex:1 1 auto;min-width:0}
.v-card.big .v-media{
  flex:0 0 46%;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/11;border:1px solid var(--line);
}
.v-card.big .v-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.v-card.big:hover .v-media img{transform:scale(1.03)}
.v-card.slim .v-media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);order:-1;
}
.v-card.slim .v-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.v-card.slim:hover .v-media img{transform:scale(1.03)}
.v-points{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.v-points li{display:flex;gap:10px;font-size:14.5px;color:var(--t2)}
.v-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);margin-top:10px;flex:0 0 6px}
.v-num{
  font-family:var(--num);font-size:34px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#5B3DF5,#12C2A8);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.v-num small{font-size:13px;font-weight:600;color:var(--t3);-webkit-text-fill-color:var(--t3);margin-left:6px}

/* ---------- 功能截图轮播 ---------- */
.shots{position:relative}
.shots-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;margin:0 -4px;
  scrollbar-width:none;
}
.shots-track::-webkit-scrollbar{display:none}
.shot-card{
  flex:0 0 auto;width:min(360px,80vw);scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.shot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.shot-card .pic{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);margin-bottom:16px}
.shot-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.shot-card:hover .pic img{transform:scale(1.03)}
.shot-card h3{margin-bottom:8px;font-size:18px}
.shot-card p{font-size:14.5px;color:var(--t2)}
.shots-arrow{
  position:absolute;top:38%;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:var(--sh);z-index:5;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.shots-arrow:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
.shots-arrow.prev{left:-22px}
.shots-arrow.next{right:-22px}
.shots-dots{display:flex;justify-content:center;gap:8px;margin-top:8px}
.shots-dots .dot{width:8px;height:8px;border-radius:var(--r-pill);background:#D9D4F0;transition:width .25s var(--ease),background .25s var(--ease)}
.shots-dots .dot.is-active{width:24px;background:var(--grad)}

/* ---------- 系统要求 ---------- */
.sys{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh);
}
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tab{
  height:40px;padding:0 20px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;
  color:var(--t2);background:#FAF9FF;border:1px solid var(--line);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.tab:hover{color:var(--brand);border-color:#D6CDFB}
.tab.is-active{background:var(--brand-soft);color:var(--brand);border-color:#D6CDFB}
.spec-panel{display:none}
.spec-panel.is-active{display:block}
.spec-row{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px;
}
.spec-row:last-child{border-bottom:0}
.spec-row .k{color:var(--t2);flex:0 0 40%}
.spec-row .v{font-family:var(--num);font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.sys-note{
  margin-top:22px;border-left:4px solid var(--amber);background:#FFFAF0;
  border-radius:0 12px 12px 0;padding:14px 18px;font-size:14.5px;color:#7A5A10;
}

/* ---------- 评价墙 ---------- */
.review-summary{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.review-wall{columns:2;column-gap:24px}
.review-card{
  break-inside:avoid;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:22px;margin-bottom:24px;box-shadow:var(--sh);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:14px;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num);font-weight:700;font-size:16px;color:#fff;background:var(--grad);
}
.avatar.a2{background:linear-gradient(120deg,#12C2A8,#5B3DF5)}
.avatar.a3{background:linear-gradient(120deg,#FFB020,#FF5C7A)}
.avatar.a4{background:linear-gradient(120deg,#8B5CF6,#12C2A8)}
.review-who{flex:1 1 auto;min-width:0;line-height:1.3}
.review-who b{display:block;font-size:15px;font-weight:600}
.stars{color:var(--amber);font-size:13px;letter-spacing:2px}
.review-date{font-size:12.5px;color:var(--t3);font-family:var(--num)}
.review-card p{font-size:15px;color:var(--t2)}

/* ---------- 最新信息（CMS 列表） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:#F1EEFF}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-body h3{
  font-size:17.5px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a:hover{color:var(--brand)}
.news-body .sum{
  font-size:14.5px;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--t3);font-family:var(--num);
}
.news-meta .arrow{color:var(--brand);font-weight:700}
.empty-state{
  border:1px dashed #D6CDFB;border-radius:var(--r-card);
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#FCFBFF;color:var(--t3);text-align:center;
}
.empty-state .ico{
  width:52px;height:52px;border-radius:16px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:22px;
}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.open{border-color:#D6CDFB;box-shadow:var(--sh)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--t1);
}
.faq-q .pm{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:16px;font-weight:700;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.faq-item.open .faq-q .pm{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--t2);background:#FAF9FF;padding-top:18px;margin:0 0 0}

/* ---------- 下载 CTA 带 ---------- */
.dl-band{position:relative;background:var(--dark);color:#fff;padding:76px 0;overflow:hidden}
.dl-band::before{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,.42) 0%,rgba(18,194,168,.16) 45%,rgba(23,19,46,0) 72%);
}
.dl-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.dl-band h2{color:#fff;margin-bottom:14px}
.dl-band p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:560px}
.dl-checks{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.dl-checks .chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);padding:9px 16px;font-size:13.5px;color:rgba(255,255,255,.88);
  font-family:var(--num);
}
.dl-checks .chip i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:block}
.dl-checks .chip i.amber{background:var(--amber)}
.dl-checks .chip i.coral{background:var(--coral)}
.dl-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px}
.qr{
  width:120px;height:120px;border-radius:18px;background:#fff;
  display:flex;align-items:center;justify-content:center;padding:12px;
}
.qr .grid{
  width:96px;height:96px;
  background-image:
    linear-gradient(90deg,#17132E 25%,transparent 25% 50%,#17132E 50% 62.5%,transparent 62.5% 75%,#17132E 75%),
    linear-gradient(#17132E 25%,transparent 25% 50%,#17132E 50% 62.5%,transparent 62.5% 75%,#17132E 75%);
  background-size:16px 16px;
  opacity:.9;
}
.qr-wrap{display:flex;align-items:center;gap:16px}
.qr-wrap small{font-size:12.5px;color:rgba(255,255,255,.6);display:block;line-height:1.6;max-width:150px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text span{color:rgba(255,255,255,.45)}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-badges .fb{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);
  padding:7px 14px;font-size:12.5px;font-family:var(--num);color:rgba(255,255,255,.8);
}
.footer-badges .fb i{width:6px;height:6px;border-radius:50%;background:var(--teal);display:block}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .25s var(--ease),transform .25s var(--ease);display:inline-block}
.footer-col a:hover{color:var(--teal);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--teal)}

/* ---------- 动画偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1240px}
}
@media (max-width:1199px){
  .container{padding:0 32px}
  .hero-grid{grid-template-columns:1fr;gap:44px;min-height:0}
  .device{max-width:420px;margin:0 auto}
  .float-badge.one{left:0}
  .float-badge.two{left:-10px}
  .shots-arrow{display:none}
  .value-grid{grid-template-columns:1fr 1fr}
  .v-card.big{grid-column:span 2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-toggle{display:flex}
  .nav{
    position:fixed;top:0;right:0;height:100vh;width:78vw;max-width:360px;
    background:#fff;flex-direction:column;align-items:stretch;gap:8px;
    padding:88px 24px 32px;box-shadow:-18px 0 44px rgba(23,19,46,.14);
    transform:translateX(105%);transition:transform .3s var(--ease);z-index:90;
  }
  .nav.open{transform:translateX(0)}
  .nav-link{padding:14px 16px;font-size:17px;border-radius:14px}
  .nav-link.is-active{background:var(--brand-soft)}
  .nav-link.is-active::after{display:none}
  .nav-cta{margin:16px 0 0;height:48px;justify-content:center}
  .review-wall{columns:1}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-grid{grid-template-columns:1fr;gap:34px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:14px}
  .hero{padding:52px 0 64px}
  .hero-sub{font-size:16px}
  .v-card.big{flex-direction:column;align-items:stretch;grid-column:span 2}
  .v-card.big .v-media{flex:0 0 auto;aspect-ratio:16/10;order:-1}
  .value-grid{grid-template-columns:1fr}
  .v-card.big{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .sys{padding:22px}
  .spec-row{flex-direction:column;align-items:flex-start;gap:4px}
  .spec-row .k{flex:0 0 auto}
  .spec-row .v{text-align:left}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a p{padding:0 18px 20px;padding-top:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .dl-band{padding:56px 0}
  .qr-wrap{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .container{padding:0 14px}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
  .hero-badges{grid-template-columns:1fr}
  .dl-btns{width:100%;flex-direction:column}
  .dl-btns .btn{width:100%}
  .badge{padding:9px 14px}
  .logo-text span{display:none}
}

/* roulang page: category1 */
:root{
  --primary:#5B3DF5;
  --primary-deep:#3B21C9;
  --teal:#12C2A8;
  --amber:#FFB020;
  --coral:#FF5C7A;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --dark:#17132E;
  --text:#1A1633;
  --text-2:#56527A;
  --text-3:#8B87A8;
  --line:#E8E4F7;
  --soft:#EFEBFF;
  --soft-2:#FAF9FF;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8B5CF6 48%,#12C2A8 100%);
  --grad-warm:linear-gradient(90deg,#FFB020,#FF5C7A);
  --r-btn:999px;
  --r-card:24px;
  --r-img:18px;
  --r-input:12px;
  --sh-1:0 6px 20px rgba(91,61,245,.07);
  --sh-2:0 18px 44px rgba(91,61,245,.16);
  --ease:all .25s cubic-bezier(.2,.7,.3,1);
  --ff:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --ff-num:"Manrope","Inter","DIN Alternate","Segoe UI",system-ui,sans-serif;
}
*,*::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(--ff);font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:var(--ease);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;}
p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(91,61,245,.18);border-radius:8px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1240px;}}
.num{font-family:var(--ff-num);font-variant-numeric:tabular-nums;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(6px);
  transition:var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(91,61,245,.10);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:11px;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  color:#fff;font-family:var(--ff-num);font-weight:800;font-size:15px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(91,61,245,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16.5px;font-weight:800;letter-spacing:-.01em;}
.logo-text span{font-size:10.5px;letter-spacing:.16em;color:var(--text-3);font-family:var(--ff-num);}
.nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text-2);
}
.nav-link:hover{background:var(--soft);color:var(--primary);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:999px;background:var(--grad);
}
.nav-cta{
  margin-left:8px;padding:11px 22px;border-radius:999px;background:var(--grad);
  color:#fff;font-size:15px;font-weight:700;box-shadow:0 8px 20px rgba(91,61,245,.26);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(91,61,245,.34);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;flex-direction:column;gap:5px;align-items:center;justify-content:center;
}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--text);transition:var(--ease);}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
body.nav-open::after{
  content:"";position:fixed;inset:0;background:rgba(23,19,46,.34);z-index:55;pointer-events:none;
}

/* ============ HERO ============ */
.hero-cat{
  position:relative;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(23,19,46,.90) 0%,rgba(59,33,201,.80) 46%,rgba(18,194,168,.60) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 62px;min-height:320px;
  display:flex;align-items:center;
}
.hero-cat::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.30),rgba(255,176,32,0) 68%);
}
.hero-cat .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span{opacity:.6;}
.breadcrumb em{font-style:normal;color:#fff;font-weight:600;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.20);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--amber);display:block;}
.hero-cat h1{
  font-size:clamp(30px,4.2vw,48px);font-weight:800;letter-spacing:-.01em;line-height:1.15;
  max-width:900px;margin-bottom:16px;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.86);max-width:700px;line-height:1.8;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat-badge{
  display:flex;align-items:center;gap:10px;padding:11px 18px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  transition:var(--ease);
}
.stat-badge:hover{transform:translateY(-2px);background:rgba(255,255,255,.16);}
.stat-badge i{
  width:8px;height:8px;border-radius:50%;background:var(--teal);display:block;flex:0 0 auto;
}
.stat-badge b{font-family:var(--ff-num);font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;}
.stat-badge span{font-size:12.5px;color:rgba(255,255,255,.72);}

/* ============ SECTION BASE ============ */
.section{padding:88px 0;}
.section.alt{background:#fff;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.14em;color:var(--primary);text-transform:uppercase;font-family:var(--ff-num);
  margin-bottom:14px;
}
.sec-label::before{content:"";width:22px;height:3px;border-radius:999px;background:var(--grad);}
.sec-head h2{
  font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.01em;color:var(--text);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.sec-head h2 .no{font-family:var(--ff-num);font-size:.62em;color:var(--text-3);font-weight:700;}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85;}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:40px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:3px;border-radius:999px;
  background:linear-gradient(180deg,#5B3DF5,#8B5CF6 55%,#12C2A8);
  opacity:.55;
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:26px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(91,61,245,.10);
}
.tl-card{
  display:grid;grid-template-columns:64px 1fr auto;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);transition:var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tl-no{
  width:52px;height:52px;border-radius:16px;background:var(--soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-num);font-size:19px;font-weight:800;
}
.tl-body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.tl-body p{font-size:15.5px;color:var(--text-2);line-height:1.8;}
.tl-meta{
  display:flex;flex-direction:column;gap:6px;align-items:flex-end;
  font-family:var(--ff-num);font-size:12.5px;color:var(--text-3);white-space:nowrap;
}
.tl-thumb{width:132px;border-radius:14px;overflow:hidden;flex:0 0 auto;}
.tl-thumb img{width:100%;height:88px;object-fit:cover;transition:var(--ease);}
.tl-card:hover .tl-thumb img{transform:scale(1.04);}

/* ============ CHECK LIST BLOCK ============ */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line);}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:var(--ease);}
.split-media:hover img{transform:scale(1.03);}
.check-list{display:grid;gap:14px;margin-top:22px;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:16px 18px;box-shadow:var(--sh-1);transition:var(--ease);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.check-list .ck{
  width:26px;height:26px;border-radius:9px;background:var(--grad);color:#fff;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  font-family:var(--ff-num);
}
.check-list b{display:block;font-size:15.5px;font-weight:600;margin-bottom:3px;}
.check-list span{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ============ SPEC LIST ============ */
.segmented{
  display:inline-flex;gap:6px;padding:6px;border-radius:999px;background:var(--soft);
  margin-bottom:30px;flex-wrap:wrap;
}
.seg-btn{
  padding:9px 22px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:var(--ease);
}
.seg-btn:hover{color:var(--primary);}
.seg-btn.is-on{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(91,61,245,.14);}
.spec-panel{display:none;animation:fadeUp .3s ease;}
.spec-panel.is-show{display:block;}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.spec-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:10px 26px;box-shadow:var(--sh-1);
}
.spec-row{
  display:grid;grid-template-columns:40% 1fr;gap:18px;align-items:center;
  padding:16px 0;border-bottom:1px dashed var(--line);
}
.spec-row:last-child{border-bottom:0;}
.spec-k{font-size:14.5px;color:var(--text-2);}
.spec-v{font-family:var(--ff-num);font-size:15.5px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;}

/* ============ NOTICE ============ */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);
  border-radius:16px;padding:20px 24px;box-shadow:var(--sh-1);
}
.notice .n-ico{
  width:32px;height:32px;border-radius:10px;background:rgba(255,176,32,.16);color:#B47800;
  display:flex;align-items:center;justify-content:center;font-weight:800;flex:0 0 auto;
  font-family:var(--ff-num);
}
.notice b{display:block;font-size:15.5px;font-weight:700;margin-bottom:4px;}
.notice p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--sh-1);transition:var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q .sign{
  width:26px;height:26px;border-radius:9px;background:var(--soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;
  flex:0 0 auto;transition:transform .25s cubic-bezier(.2,.7,.3,1);
}
.faq-item.is-open .sign{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  background:var(--soft-2);
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{padding:16px 24px 22px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  padding:64px 0;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-60px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.55),rgba(18,194,168,.10) 60%,rgba(23,19,46,0) 72%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:44px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;max-width:620px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-badges .cb{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  font-size:12.5px;color:rgba(255,255,255,.86);
}
.cta-badges .cb b{font-family:var(--ff-num);font-size:14px;font-weight:700;color:#fff;}
.cta-right{display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:flex-end;}
.dl-btns{display:flex;flex-direction:column;gap:12px;min-width:220px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  transition:var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,61,245,.30);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(91,61,245,.38);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border:1px solid var(--primary);color:var(--primary);background:#fff;}
.btn-ghost:hover{background:var(--soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.20);transform:translateY(-2px);}
.btn-light:active{transform:translateY(1px);}
.qr-box{
  width:120px;height:120px;border-radius:18px;background:#fff;padding:9px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  box-shadow:0 14px 30px rgba(0,0,0,.28);
}
.qr-box img{width:74px;height:74px;object-fit:cover;border-radius:8px;}
.qr-box span{font-size:10.5px;color:var(--text-3);letter-spacing:.02em;}
.btn-note{font-size:12.5px;color:var(--text-3);margin-top:4px;}

/* ============ FOOTER ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14.5px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.42);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.fb{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
  font-size:12.5px;font-family:var(--ff-num);color:rgba(255,255,255,.82);
}
.fb i{width:6px;height:6px;border-radius:50%;background:var(--teal);display:block;}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;}
.footer-col a:hover{color:var(--teal);transform:translateX(2px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;font-size:13px;
  color:rgba(255,255,255,.52);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .links a:hover{color:var(--teal);}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .container{padding:0 32px;}
  .split{gap:32px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-toggle{display:flex;}
  .nav{
    position:fixed;top:0;right:0;height:100vh;width:78vw;max-width:340px;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:92px 22px 28px;transform:translateX(105%);
    transition:transform .3s cubic-bezier(.2,.7,.3,1);
    box-shadow:-20px 0 50px rgba(23,19,46,.18);z-index:70;overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0);}
  .nav-link{padding:14px 16px;font-size:17px;border-radius:14px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--soft);}
  .nav-cta{margin:14px 0 0;text-align:center;padding:14px 22px;font-size:16px;}
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-right{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .hero-cat{padding:44px 0 50px;min-height:auto;}
  .hero-sub{font-size:15.5px;}
  .stat-badge{padding:9px 14px;}
  .stat-badge b{font-size:15px;}
  .tl-card{grid-template-columns:48px 1fr;gap:16px;padding:20px 18px;}
  .tl-thumb{grid-column:1 / -1;width:100%;}
  .tl-thumb img{height:150px;}
  .tl-meta{align-items:flex-start;flex-direction:row;gap:14px;flex-wrap:wrap;}
  .spec-box{padding:6px 18px;}
  .spec-row{grid-template-columns:1fr;gap:4px;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a p{padding:14px 18px 18px;}
  .dl-btns{width:100%;min-width:0;}
  .btn{width:100%;}
  .cta-right{gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  .hero-cat h1{font-size:26px;}
  .sec-head h2{font-size:22px;}
  .logo-text b{font-size:15px;}
  .qr-box{width:104px;height:104px;}
}
@media (max-width:479px){
  .container{padding:0 14px;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-26px;}
  .timeline::before{left:7px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --primary:#5B3DF5;
  --primary-dark:#3B21C9;
  --mint:#12C2A8;
  --amber:#FFB020;
  --coral:#FF5C7A;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --dark:#17132E;
  --ink:#1A1633;
  --ink-2:#56527A;
  --ink-3:#8B87A8;
  --line:#E8E4F7;
  --primary-soft:#EFEBFF;
  --soft-bg:#FAF9FF;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8B5CF6 48%,#12C2A8 100%);
  --grad-warm:linear-gradient(90deg,#FFB020,#FF5C7A);
  --shadow-sm:0 6px 20px rgba(91,61,245,.07);
  --shadow-lg:0 18px 44px rgba(91,61,245,.16);
  --r-card:24px;
  --r-img:18px;
  --r-btn:999px;
  --r-input:12px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Manrope","Inter","DIN Alternate",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .25s var(--ease),background-color .25s var(--ease),transform .25s var(--ease);}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.005em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(91,61,245,.18);border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(91,61,245,.10);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(91,61,245,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.logo-text span{font-size:10.5px;font-family:var(--font-num);letter-spacing:.22em;color:var(--ink-3);}
.nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--ink-2);font-weight:500;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:999px;background:var(--grad);
}
.nav-cta{
  margin-left:10px;padding:0 22px;height:44px;display:inline-flex;align-items:center;
  border-radius:var(--r-btn);background:var(--grad);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 10px 22px rgba(91,61,245,.24);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s var(--ease),opacity .25s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{color:#C6C1DE;}
.crumb strong{color:var(--primary);font-weight:600;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(247,245,255,.97) 0%,rgba(247,245,255,.86) 52%,rgba(18,194,168,.16) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.22),rgba(91,61,245,0) 70%);
}
.article-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--primary-soft);color:var(--primary);
}
.tag.amber{background:rgba(255,176,32,.16);color:#9A6200;}
.tag.mint{background:rgba(18,194,168,.14);color:#0B7F6E;}
.article-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
  max-width:960px;margin-bottom:20px;
}
.article-hero .lede{max-width:820px;color:var(--ink-2);font-size:16.5px;}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;
  font-size:13.5px;color:var(--ink-3);
}
.meta-row b{color:var(--ink-2);font-weight:600;}
.meta-row .dot{color:#C6C1DE;}

/* ---------- article layout ---------- */
.main{padding:64px 0 96px;}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);padding:44px 48px;
}
.cover-figure{margin:0 0 36px;}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);}
.cover-figure figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-3);}
.article-body{max-width:820px;margin:0 auto;font-size:17.5px;line-height:1.95;color:#26214A;}
.article-body h2{
  position:relative;font-size:clamp(22px,2.6vw,30px);margin:44px 0 16px;padding-left:16px;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--ink);}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--ink);}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body li{position:relative;padding-left:24px;margin-bottom:10px;}
.article-body ul>li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--primary);
}
.article-body ol{counter-reset:prose;}
.article-body ol>li{counter-increment:prose;}
.article-body ol>li::before{
  content:counter(prose);position:absolute;left:0;top:.32em;
  width:20px;height:20px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  font-family:var(--font-num);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--soft-bg);
  border-left:4px solid var(--primary);border-radius:0 16px 16px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:22px auto;}
.article-body table{width:100%;border-collapse:collapse;font-size:15.5px;margin:22px 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--primary-soft);color:var(--ink);font-weight:600;}
.article-body code{background:var(--primary-soft);color:var(--primary-dark);padding:2px 7px;border-radius:6px;font-size:15px;}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:34px 0;}
.table-scroll{overflow-x:auto;margin:22px 0;border-radius:16px;border:1px solid var(--line);}
.table-scroll table{margin:0;border:0;}

/* ---------- empty state ---------- */
.empty-state{
  border:1px dashed #CFC8EE;background:var(--soft-bg);border-radius:20px;
  min-height:220px;padding:40px 28px;text-align:center;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
}
.empty-state h2{font-size:22px;}
.empty-state p{color:var(--ink-2);max-width:520px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),filter .25s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(91,61,245,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.28);}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}
.btn-note{font-size:12.5px;color:var(--ink-3);margin-top:10px;}

/* ---------- nav cards ---------- */
.nav-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px;}
.ncard{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 24px;
  box-shadow:var(--shadow-sm);color:var(--ink);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.ncard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D9D2F8;color:var(--ink);}
.ncard .dir{
  flex:0 0 42px;width:42px;height:42px;border-radius:14px;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;
}
.ncard small{display:block;font-size:12.5px;color:var(--ink-3);letter-spacing:.06em;margin-bottom:4px;}
.ncard h4{font-size:17px;margin-bottom:6px;}
.ncard p{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ---------- related ---------- */
.section{margin-top:76px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;}
.text-link{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{gap:10px;}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;color:var(--ink);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);color:var(--ink);}
.post-card .thumb{overflow:hidden;}
.post-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease);}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;gap:10px;}
.post-card h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-3);padding-top:12px;border-top:1px dashed var(--line);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);text-align:left;
}
.faq-q i{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:16px;line-height:1;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a .inner{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2);background:var(--soft-bg);}
.faq-item.is-open .faq-a{max-height:360px;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);border-radius:28px;
  padding:48px 48px;margin-top:76px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,168,.34),rgba(18,194,168,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  font-size:12.5px;font-family:var(--font-num);color:rgba(255,255,255,.86);
}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 26px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-text span{color:rgba(255,255,255,.45);}
.footer-brand p{margin-top:18px;max-width:340px;color:rgba(255,255,255,.66);font-size:14.5px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.fb{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 13px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);font-size:12.5px;font-family:var(--font-num);color:rgba(255,255,255,.82);
}
.fb i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14.5px;display:inline-block;}
.footer-col a:hover{color:var(--mint);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .links a{color:rgba(255,255,255,.5);}
.footer-bottom .links a:hover{color:var(--mint);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 32px;}
  .article-card{padding:38px 36px;}
}
@media (max-width:1023px){
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .nav.is-open{
    display:flex;position:fixed;top:0;right:0;bottom:0;width:78vw;max-width:360px;
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 24px 32px;box-shadow:-18px 0 50px rgba(23,19,46,.18);z-index:80;
  }
  .nav.is-open .nav-link{padding:14px 16px;font-size:17px;border-radius:14px;}
  .nav.is-open .nav-link.is-active::after{display:none;}
  .nav.is-open .nav-cta{margin:16px 0 0;justify-content:center;height:50px;}
  .cards-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .main{padding:52px 0 76px;}
  .section{margin-top:64px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .article-hero .container{padding-top:36px;padding-bottom:38px;}
  .article-card{padding:26px 20px;border-radius:20px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .nav-cards{grid-template-columns:1fr;}
  .cards-3{grid-template-columns:1fr;}
  .cta-band{padding:34px 24px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  .logo-text b{font-size:15.5px;}
  .logo-text span{font-size:9.5px;letter-spacing:.16em;}
  .nav-wrap{height:60px;}
  .crumb{font-size:12.5px;}
  .article-body h2{margin-top:36px;}
}
@media (max-width:479px){
  .container{padding:0 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --primary:#5B3DF5;
  --primary-d:#3B21C9;
  --secondary:#12C2A8;
  --amber:#FFB020;
  --coral:#FF5C7A;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --dark:#17132E;
  --text:#1A1633;
  --text-2:#56527A;
  --text-3:#8B87A8;
  --line:#E8E4F7;
  --primary-soft:#EFEBFF;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8B5CF6 48%,#12C2A8 100%);
  --grad-warm:linear-gradient(90deg,#FFB020,#FF5C7A);
  --r-btn:999px;
  --r-card:24px;
  --r-img:18px;
  --r-input:12px;
  --sh:0 6px 20px rgba(91,61,245,.07);
  --sh-hover:0 18px 44px rgba(91,61,245,.16);
  --t:.25s cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::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","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
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,p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(91,61,245,.18);border-radius:8px;}
.num{font-family:"Manrope","Inter","DIN Alternate",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
  backdrop-filter:saturate(150%) blur(6px);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(91,61,245,.08);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:12px;}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-weight:800;
  font-size:15px;
  letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(91,61,245,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.logo-text span{font-size:10.5px;letter-spacing:.16em;color:var(--text-3);font-weight:600;}
.nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:background var(--t),color var(--t);
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-d);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;bottom:0;
  transform:translateX(-50%);
  width:20px;height:3px;
  border-radius:999px;
  background:var(--grad);
}
.nav-cta{
  margin-left:10px;
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 8px 22px rgba(91,61,245,.26);
  transition:transform var(--t),filter var(--t),box-shadow var(--t);
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(91,61,245,.3);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--t),opacity var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 通用板块 ============ */
main{padding-bottom:0;}
.section{padding:88px 0;}
.section-tight{padding:60px 0;}
.sec-head{margin-bottom:38px;max-width:760px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--primary-d);
  margin-bottom:16px;
}
.sec-tag i{width:6px;height:6px;border-radius:50%;background:var(--secondary);display:block;}
h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
}
h2 .bar{
  display:inline-block;
  width:5px;height:.92em;
  margin-right:12px;
  border-radius:999px;
  background:var(--grad);
  vertical-align:-.08em;
}
.sec-desc{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.9;}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;
  color:var(--text-3);
  padding:26px 0 18px;
}
.crumb a{transition:color var(--t);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C6C1DE;}
.crumb .cur{color:var(--primary);font-weight:600;}

/* ============ 小 Hero ============ */
.cat-hero{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  min-height:320px;
  display:flex;
  align-items:center;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-color:#EFEBFF;
  border:1px solid var(--line);
  box-shadow:var(--sh);
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(260deg,rgba(247,245,255,.97) 0%,rgba(247,245,255,.86) 46%,rgba(18,194,168,.22) 100%);
}
.cat-hero::after{
  content:"";
  position:absolute;
  top:-70px;right:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(91,61,245,.28),rgba(18,194,168,0) 70%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;padding:52px 48px;max-width:760px;}
.cat-hero h1{
  font-size:clamp(28px,4vw,46px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
}
.cat-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero p{
  margin-top:16px;
  font-size:16px;
  color:var(--text-2);
  line-height:1.9;
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  transition:transform var(--t),filter var(--t),background var(--t),box-shadow var(--t),color var(--t);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 26px rgba(91,61,245,.26);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(91,61,245,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;
  color:var(--primary-d);
  border:1px solid var(--primary);
}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-note{margin-top:10px;font-size:12.5px;color:var(--text-3);}

/* ============ 数据徽章 ============ */
.badge-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:-26px;
  position:relative;
  z-index:5;
}
.badge{
  display:flex;align-items:center;gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 18px;
  box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t);
}
.badge:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.badge-icon{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:18px;
  font-weight:700;
}
.badge b{display:block;font-size:18px;font-weight:700;line-height:1.2;}
.badge span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px;}

/* ============ 粘性目录 + 图文交错 ============ */
.layout-split{
  display:grid;
  grid-template-columns:236px 1fr;
  gap:48px;
  align-items:start;
}
.toc{
  position:sticky;
  top:96px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px 20px;
  box-shadow:var(--sh);
}
.toc h3{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--text-3);
  font-weight:700;
  margin-bottom:14px;
}
.toc a{
  display:block;
  padding:9px 12px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--text-2);
  transition:background var(--t),color var(--t),transform var(--t);
}
.toc a:hover{background:var(--primary-soft);color:var(--primary-d);transform:translateX(2px);}
.toc a.is-current{background:var(--primary-soft);color:var(--primary-d);font-weight:600;}
.toc-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.7;
}

.flow-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--sh);
  margin-bottom:26px;
  transition:box-shadow var(--t),transform var(--t);
}
.flow-block:hover{box-shadow:var(--sh-hover);transform:translateY(-4px);}
.flow-block.reverse .flow-media{order:2;}
.flow-media{
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--primary-soft);
}
.flow-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1);}
.flow-block:hover .flow-media img{transform:scale(1.03);}
.flow-index{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--secondary);
  margin-bottom:12px;
}
.flow-index::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}
.flow-copy h3{font-size:clamp(18px,2vw,22px);font-weight:600;line-height:1.4;}
.flow-copy p{margin-top:12px;font-size:15.5px;color:var(--text-2);line-height:1.9;}
.spec-list{margin-top:16px;border-top:1px dashed var(--line);}
.spec-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
}
.spec-list li span{color:var(--text-3);flex:0 0 40%;}
.spec-list li b{font-weight:600;color:var(--text);font-family:"Manrope","Inter",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ============ 图集 2×2 ============ */
.gallery{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.g-item{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t);
}
.g-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.g-item img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1);}
.g-item:hover img{transform:scale(1.03);}
.g-cap{
  position:absolute;
  left:16px;right:16px;bottom:14px;
  padding:10px 14px;
  border-radius:14px;
  background:rgba(23,19,46,.72);
  color:#fff;
  font-size:13.5px;
  font-weight:600;
  backdrop-filter:blur(4px);
}
.gallery-badges{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:26px;
}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13.5px;
  font-weight:600;
  color:var(--text-2);
  box-shadow:var(--sh);
  transition:transform var(--t);
}
.pill:hover{transform:translateY(-2px);}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--grad-warm);display:block;}

/* ============ 提示条 ============ */
.notice{
  display:flex;
  gap:16px;
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--amber);
  border-radius:16px;
  padding:22px 24px;
  box-shadow:var(--sh);
}
.notice-icon{
  flex:0 0 40px;
  width:40px;height:40px;
  border-radius:12px;
  background:#FFF6E4;
  color:#B97B00;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
}
.notice h3{font-size:17px;font-weight:600;}
.notice p{margin-top:8px;font-size:15px;color:var(--text-2);line-height:1.9;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-item.is-open{border-color:#D6CDFF;box-shadow:var(--sh-hover);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:color var(--t);
}
.faq-q:hover{color:var(--primary-d);}
.faq-q .ico{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  font-weight:700;
  line-height:1;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
  background:#FAF9FF;
  border-top:1px solid var(--line);
  padding-top:18px;
}

/* ============ 返回入口 ============ */
.back-entry{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:26px 30px;
  box-shadow:var(--sh);
}
.back-entry h3{font-size:19px;font-weight:600;}
.back-entry p{margin-top:6px;font-size:14.5px;color:var(--text-2);}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:28px;
  padding:46px 44px;
  color:#fff;
  margin-top:12px;
  border:1px solid rgba(255,255,255,.14);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(91,61,245,.55),rgba(18,194,168,0) 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:36px;
  align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;max-width:520px;}
.cta-checks{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.check-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  font-size:12.5px;
  color:rgba(255,255,255,.9);
  font-family:"Manrope","Inter",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
}
.check-pill i{width:6px;height:6px;border-radius:50%;background:var(--secondary);display:block;}
.cta-right{
  display:flex;
  align-items:center;
  gap:22px;
  justify-content:flex-end;
}
.cta-buttons{display:flex;flex-direction:column;gap:12px;min-width:200px;}
.btn-dark-ghost{
  background:rgba(255,255,255,.12);
  color:#fff;
  border:1px solid rgba(255,255,255,.2);
}
.btn-dark-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.qr{
  width:120px;height:120px;
  flex:0 0 120px;
  border-radius:18px;
  background:#fff;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-3);
  font-size:11.5px;
  text-align:center;
  line-height:1.5;
  padding:8px;
  border:1px solid rgba(255,255,255,.2);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.78);
  margin-top:96px;
  padding:66px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:38px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.45);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.6);
  max-width:340px;
}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.fb{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  font-size:12.5px;
  color:rgba(255,255,255,.86);
  font-family:"Manrope","Inter",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
}
.fb i{width:6px;height:6px;border-radius:50%;background:var(--secondary);display:block;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.footer-col li{margin-bottom:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.66);
  transition:color var(--t),transform var(--t);
  display:inline-block;
}
.footer-col a:hover{color:var(--secondary);transform:translateX(2px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom .links a{color:rgba(255,255,255,.6);transition:color var(--t);}
.footer-bottom .links a:hover{color:var(--secondary);}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1240px;}
}
@media (max-width:1199px){
  .container{padding:0 32px;}
  .layout-split{grid-template-columns:1fr;gap:26px;}
  .toc{position:static;top:auto;}
  .toc a{display:inline-block;margin:0 6px 6px 0;}
  .toc h3{margin-bottom:10px;}
  .toc-foot{margin-top:12px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-toggle{display:flex;}
  .nav{
    position:fixed;
    top:0;right:0;
    width:78vw;
    max-width:340px;
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:88px 22px 32px;
    box-shadow:-18px 0 44px rgba(23,19,46,.16);
    transform:translateX(105%);
    transition:transform .28s cubic-bezier(.2,.7,.3,1);
    z-index:70;
    overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0);}
  .nav-link{
    font-size:17px;
    padding:14px 16px;
    border-radius:14px;
    text-align:left;
  }
  .nav-link.is-active::after{display:none;}
  .nav-cta{
    margin:14px 0 0;
    height:50px;
    width:100%;
    font-size:16px;
  }
  .cat-hero-inner{padding:42px 32px;}
  .badge-row{grid-template-columns:repeat(2,1fr);margin-top:20px;}
  .flow-block{grid-template-columns:1fr;gap:22px;padding:24px;}
  .flow-block.reverse .flow-media{order:0;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-right{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .nav-wrap{height:60px;}
  .logo-mark{width:36px;height:36px;flex-basis:36px;font-size:13px;border-radius:10px;}
  .logo-text b{font-size:15.5px;}
  .cat-hero{min-height:280px;border-radius:22px;}
  .cat-hero-inner{padding:34px 20px;}
  .hero-actions .btn{width:100%;}
  .btn{width:100%;}
  .btn-inline{width:auto;}
  .gallery{grid-template-columns:1fr;gap:16px;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a-inner{padding:16px 18px 20px;}
  .back-entry{padding:22px 20px;flex-direction:column;align-items:flex-start;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-right{flex-direction:column;align-items:stretch;gap:16px;}
  .cta-buttons{width:100%;}
  .qr{width:100%;height:120px;flex:0 0 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .badge-row{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .container{padding:0 14px;}
  .cat-hero-inner{padding:28px 16px;}
  .notice{padding:18px 16px;flex-direction:column;gap:12px;}
  .flow-block{padding:18px;}
  .spec-list li{font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}