/* roulang page: index */
:root{
  --violet:#6D4AFF;
  --violet-deep:#4B2FD6;
  --violet-soft:#EDE8FF;
  --lime:#C6F24E;
  --cyan:#35C7C7;
  --orange:#FF8A3D;
  --ink:#17131F;
  --ink-2:#5A5470;
  --ink-3:#8B86A0;
  --paper:#F5F3FF;
  --card:#FFFFFF;
  --line:#E6E1F5;
  --space-900:#0C0A17;
  --space-800:#171331;
  --r-hero:28px;
  --r-card:18px;
  --r-thumb:14px;
  --r-btn:12px;
  --sh-1:0 6px 18px rgba(76,47,214,.10);
  --sh-2:0 14px 32px rgba(76,47,214,.18);
  --ease:220ms ease-out;
  --font:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Helvetica Neue",Inter,system-ui,sans-serif;
  --num:"Inter","HarmonyOS Sans","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--paper);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--violet);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--violet-deep);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{font-family:var(--font);color:var(--ink);line-height:1.35;margin:0;text-align:left;letter-spacing:.01em;}
p{margin:0 0 1.15em;text-align:left;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:84px 0;}
.section--tint{background:#FBFAFF;}
.section--white{background:#fff;}
.section--dark{background:var(--space-900);color:#fff;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--violet);
  margin-bottom:14px;
}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--violet);display:block;border-radius:2px;}
.sec-title{font-size:30px;font-weight:700;margin-bottom:14px;}
.sec-title .hl{color:var(--violet);}
.sec-sub{color:var(--ink-2);font-size:17px;margin:0;max-width:640px;}
.section--dark .sec-title{color:#fff;}
.section--dark .sec-sub{color:#C9C2E8;}
.section--dark .sec-kicker{color:var(--lime);}
.section--dark .sec-kicker::before{background:var(--lime);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  padding:0 16px;
  pointer-events:none;
}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(12,10,23,.72);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
  pointer-events:auto;
}
.site-header.is-stuck .nav-shell{
  background:rgba(9,8,18,.92);
  box-shadow:0 14px 34px rgba(6,4,20,.45);
  border-color:rgba(198,242,78,.24);
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;white-space:nowrap;}
.brand:hover{color:#fff;}
.brand-dot{
  width:9px;height:9px;border-radius:3px;background:var(--lime);
  box-shadow:0 0 12px rgba(198,242,78,.7);
  transform:rotate(45deg);
  flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  color:#C9C2E8;
  border-radius:999px;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;background:rgba(255,255,255,.08);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:999px;
  background:var(--violet);color:#fff;font-size:15px;font-weight:600;
  border:1px solid rgba(255,255,255,.14);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.nav-cta:hover{background:var(--violet-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(76,47,214,.45);}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}
.nav-drawer-close{
  display:none;
  position:absolute;top:22px;right:22px;
  width:44px;height:44px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:20px;line-height:1;cursor:pointer;
  align-items:center;justify-content:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--violet);color:#fff;box-shadow:0 6px 18px rgba(76,47,214,.28);}
.btn-primary:hover{background:var(--violet-deep);color:#fff;transform:translateY(-1px);box-shadow:0 14px 32px rgba(76,47,214,.34);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline{background:#fff;color:var(--violet);border-color:var(--violet);}
.btn-outline:hover{background:var(--violet-soft);color:var(--violet-deep);}
.btn-lime{background:var(--lime);color:#141026;}
.btn-lime:hover{background:#d6ff63;color:#141026;transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 18px;font-size:15px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:var(--violet-soft);color:var(--violet-deep);
  white-space:nowrap;
}
.badge-hot{background:rgba(198,242,78,.9);color:#1B2205;}
.badge-dark{background:rgba(12,10,23,.62);color:#fff;border:1px solid rgba(255,255,255,.18);}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--space-900);
  padding:170px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1.4px 1.4px at 28% 68%,rgba(198,242,78,.6),transparent 60%),
    radial-gradient(1.8px 1.8px at 62% 18%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.3px 1.3px at 78% 54%,rgba(53,199,199,.6),transparent 60%),
    radial-gradient(1.5px 1.5px at 88% 82%,rgba(255,255,255,.5),transparent 60%),
    radial-gradient(1.2px 1.2px at 42% 88%,rgba(198,242,78,.45),transparent 60%),
    radial-gradient(1.4px 1.4px at 8% 84%,rgba(255,255,255,.4),transparent 60%);
  opacity:.85;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;
  width:640px;height:640px;right:-180px;top:-160px;
  background:radial-gradient(circle,rgba(109,74,255,.42),transparent 68%);
  filter:blur(10px);pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-title{
  font-size:44px;font-weight:700;color:#fff;
  line-height:1.32;margin-bottom:20px;letter-spacing:.005em;
}
.hero-title .hl{color:var(--lime);}
.hero-sub{
  font-size:17px;line-height:1.9;color:#C9C2E8;
  max-width:540px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.stat-row{
  display:flex;flex-wrap:wrap;gap:14px;
}
.stat{
  min-width:150px;
  padding:14px 18px;border-radius:16px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
}
.stat b{display:block;font-family:var(--num);font-size:22px;font-weight:700;color:#fff;letter-spacing:.02em;}
.stat span{display:block;font-size:13px;color:#8B86A0;}
.hero-visual{display:flex;justify-content:center;}
.phone-card{
  position:relative;width:100%;max-width:340px;
  aspect-ratio:9/16;border-radius:var(--r-hero);
  overflow:hidden;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(5,3,16,.6);
  background:var(--space-800);
}
.phone-card img{width:100%;height:100%;object-fit:cover;}
.phone-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,10,23,.12) 0%,rgba(12,10,23,.05) 45%,rgba(12,10,23,.86) 100%);
}
.play-btn{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.5);
  backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;color:#fff;z-index:3;
  transition:transform var(--ease),background var(--ease);
}
.play-btn::before{
  content:"";display:block;margin-left:4px;
  border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;
}
.phone-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.06);background:rgba(109,74,255,.6);}
.dur-badge{position:absolute;right:14px;top:14px;z-index:3;}
.subtitle-bar{
  position:absolute;left:16px;right:16px;bottom:18px;z-index:3;
  color:#fff;font-size:14px;line-height:1.6;
}
.subtitle-bar b{display:block;font-size:16px;font-weight:600;margin-bottom:4px;}
.subtitle-bar span{color:#C9C2E8;font-size:13px;}

/* ---------- 片段轨道 ---------- */
.rail{
  display:flex;gap:20px;
  overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.clip-card{
  flex:0 0 calc((100% - 60px)/4);
  scroll-snap-align:start;
}
.clip-thumb{
  position:relative;display:block;
  aspect-ratio:9/16;border-radius:var(--r-thumb);
  overflow:hidden;background:var(--violet-soft);
  border:1px solid var(--line);
}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.clip-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(12,10,23,.8) 100%);
}
.clip-card:hover .clip-thumb img{transform:scale(1.04);}
.clip-card:hover .clip-title{color:var(--violet);}
.clip-hot{position:absolute;right:10px;top:10px;z-index:2;}
.clip-play{
  position:absolute;left:12px;bottom:12px;z-index:2;
  font-family:var(--num);font-size:13px;font-weight:600;color:#fff;
  display:flex;align-items:center;gap:6px;
}
.clip-play::before{content:"";width:0;height:0;border-left:9px solid var(--lime);border-top:6px solid transparent;border-bottom:6px solid transparent;}
.clip-title{font-size:17px;font-weight:600;margin:14px 0 8px;transition:color var(--ease);line-height:1.5;}
.clip-tag{font-size:13px;color:var(--ink-3);}

/* ---------- 种草清单 ---------- */
.seed-layout{display:flex;flex-direction:column;}
.seed-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:22px 4px;
  border-bottom:1px dashed var(--line);
  transition:transform var(--ease);
}
.seed-item:first-child{padding-top:6px;}
.seed-item:hover{transform:translateX(4px);}
.seed-num{
  font-family:var(--num);font-size:34px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px var(--violet);
  flex:0 0 auto;padding-top:4px;
}
.seed-body h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.seed-body p{font-size:15.5px;color:var(--ink-2);margin:0;line-height:1.85;}
.seed-side-inner{
  position:sticky;top:110px;
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--card);box-shadow:var(--sh-1);
}
.seed-side-inner img{width:100%;aspect-ratio:9/16;object-fit:cover;}
.seed-side-note{padding:16px 18px;font-size:14px;color:var(--ink-2);border-top:1px solid var(--line);}

/* ---------- 口碑 ---------- */
.voice-rail{
  display:flex;gap:18px;overflow-x:auto;padding:4px 4px 16px;
  scroll-snap-type:x mandatory;
}
.voice-rail::-webkit-scrollbar{display:none;}
.voice-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:40px;height:40px;border-radius:999px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:15px;
}
.voice-name{font-size:15px;font-weight:600;}
.voice-date{font-size:12.5px;color:var(--ink-3);}
.stars{color:var(--orange);font-size:14px;letter-spacing:2px;margin-bottom:10px;font-family:var(--num);}
.voice-text{
  font-size:15px;color:var(--ink-2);line-height:1.85;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- 资讯 ---------- */
.news-grid{margin-top:-12px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CDF7;}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--violet-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-cat{align-self:flex-start;margin-bottom:12px;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.news-card:hover .news-title a{color:var(--violet);}
.news-title a{color:var(--ink);}
.news-sum{
  font-size:15px;color:var(--ink-2);line-height:1.8;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-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(--ink-3);font-family:var(--num);
  border-top:1px solid var(--line);padding-top:14px;
}
.empty-state{
  border:1px dashed #CFC6EF;border-radius:var(--r-card);
  background:#fff;padding:48px 24px;text-align:center;color:var(--ink-3);
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:999px;margin:0 auto 16px;
  background:var(--violet-soft);color:var(--violet);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
}
.empty-state p{margin:0 0 12px;font-size:15px;text-align:center;color:var(--ink-2);}
.sec-more{display:flex;justify-content:center;margin-top:44px;}
.more-link{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.more-link::after{content:"→";transition:transform var(--ease);}
.more-link:hover::after{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  border-bottom:1px solid var(--line);
  padding:6px 0 6px 20px;
  position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:4px;background:var(--violet);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:18px;font-weight:600;color:var(--ink);
  padding:16px 0;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:0 0 auto;
  width:10px;height:10px;border-right:2px solid var(--violet);border-bottom:2px solid var(--violet);
  transform:rotate(45deg);transition:transform var(--ease);
  margin-right:6px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item[open] summary{color:var(--violet-deep);}
.faq-answer{font-size:16px;color:var(--ink-2);line-height:1.85;padding:0 0 18px;max-width:720px;margin:0;}
.faq-answer a{text-decoration:underline;text-underline-offset:3px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--space-900);
  border-top:1px solid rgba(198,242,78,.35);
  border-bottom:1px solid rgba(198,242,78,.35);
  padding:56px 0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 220px at 12% 40%,rgba(109,74,255,.34),transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-copy h2{color:#fff;font-size:26px;font-weight:700;margin-bottom:8px;}
.cta-copy p{color:#C9C2E8;margin:0;font-size:16px;max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--space-900);color:#8B86A0;padding:70px 0 28px;}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
.foot-brand .brand-dot{box-shadow:none;}
.foot-desc{font-size:14.5px;line-height:1.9;color:#8B86A0;max-width:340px;margin:0;}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.foot-col ul li{margin-bottom:12px;}
.foot-col ul li a{color:#8B86A0;font-size:14.5px;position:relative;}
.foot-col ul li a:hover{color:#fff;}
.foot-col ul li a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.foot-col ul li a:hover::after{transform:scaleX(1);}
.foot-contact li{font-size:14.5px;color:#8B86A0;margin-bottom:12px;}
.foot-contact li b{color:#C9C2E8;font-weight:600;}
.foot-links-row{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;
}
.foot-links-row a{color:#8B86A0;}
.foot-links-row a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--lime);}
.foot-bottom{
  margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13.5px;color:#6F6A85;
}

/* ---------- 移动吸底条 ---------- */
.sticky-buy{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(12,10,23,.94);
  border-top:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(12px);
  align-items:center;gap:12px;
}
.sticky-buy img{width:42px;height:42px;border-radius:10px;object-fit:cover;flex:0 0 auto;}
.sticky-buy .sb-text{flex:1;min-width:0;color:#fff;font-size:14px;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sticky-buy .sb-text small{display:block;color:#8B86A0;font-size:12px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .hero{padding:150px 0 76px;}
  .hero-title{font-size:34px;}
  .clip-card{flex:0 0 calc((100% - 20px)/2);}
  .hero-visual{margin-top:48px;}
  .phone-card{max-width:300px;}
  .seed-side-inner{position:static;margin-bottom:28px;}
  .seed-layout{flex-direction:column-reverse;}
}
@media screen and (max-width:900px){
  .nav-shell{padding:8px 10px 8px 16px;}
  .nav-links{
    display:none;
    position:fixed;inset:0;z-index:90;
    background:rgba(10,8,20,.97);
    backdrop-filter:blur(18px);
    border-radius:0;
    flex-direction:column;justify-content:center;align-items:center;gap:18px;
    padding:80px 24px;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{font-size:19px;padding:12px 22px;color:#fff;}
  .nav-link::after{left:22px;right:22px;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-drawer-close{display:flex;}
  .nav-drawer-cta{display:inline-flex;margin-top:14px;}
  .brand{font-size:15px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .section{padding:54px 0;}
  .hero{padding:132px 0 62px;}
  .hero-title{font-size:30px;}
  .sec-title{font-size:24px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 46%;}
  .stat{min-width:calc(50% - 7px);flex:1 1 46%;}
  .clip-card{flex:0 0 72%;}
  .btn{height:48px;padding:0 20px;font-size:15px;}
  .seed-num{font-size:28px;}
  .foot-desc{max-width:100%;}
  .sticky-buy{display:flex;}
  .site-footer{padding-bottom:96px;}
  .cta-inner{gap:20px;}
  .cta-copy h2{font-size:22px;}
}
@media screen and (max-width:480px){
  .container{padding:0 18px;}
  .hero-title{font-size:26px;}
  .hero-actions .btn{flex:1 1 100%;}
  .voice-card{flex:0 0 84%;}
  .seed-item{gap:14px;}
  .badge{font-size:12px;}
}
@media screen and (min-width:1440px){
  .container{max-width:1240px;}
  .hero-title{font-size:46px;}
}

/* roulang page: article */
:root{
  --purple:#6D4AFF;
  --purple-deep:#4B2FD6;
  --purple-soft:#EDE8FF;
  --lime:#C6F24E;
  --cyan:#35C7C7;
  --orange:#FF8A3D;
  --ink:#17131F;
  --ink-2:#5A5470;
  --ink-3:#8B86A0;
  --space:#0C0A17;
  --space-2:#171331;
  --read-bg:#F5F3FF;
  --card:#FFFFFF;
  --line:#E6E1F5;
  --line-dark:rgba(255,255,255,.12);
  --on-dark:#FFFFFF;
  --on-dark-2:#C9C2E8;
  --r-hero:28px;
  --r-card:18px;
  --r-thumb:14px;
  --r-btn:12px;
  --sh-1:0 6px 18px rgba(76,47,214,.10);
  --sh-2:0 14px 32px rgba(76,47,214,.18);
  --font:"HarmonyOS Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",Inter,system-ui,-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:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--read-bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--purple);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,blockquote,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.container-read{width:100%;max-width:760px;margin:0 auto;padding:0 20px;}
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--purple);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px;}
.h2{
  font-size:30px;line-height:1.35;font-weight:700;color:var(--ink);margin:10px 0 0;
}
.h2-sub{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:640px;}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:18px 20px 0;
  transition:padding .25s ease;
}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(12,10,23,.72);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(12,10,23,.9);
  box-shadow:0 14px 32px rgba(12,10,23,.32);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-dot{
  width:9px;height:9px;border-radius:3px;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(198,242,78,.16);
  flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--on-dark-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;
  height:2px;border-radius:2px;background:var(--lime);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:999px;
  background:var(--purple);color:#fff;font-size:14px;font-weight:600;
  white-space:nowrap;transition:background .2s ease,transform .2s ease;
}
.nav-cta:hover{background:var(--purple-deep);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.18);
  border-radius:999px;background:rgba(255,255,255,.06);color:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;}
.nav-drawer-close{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--purple);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--purple-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;color:var(--purple);border-color:var(--purple);}
.btn-ghost:hover{background:var(--purple-soft);color:var(--purple-deep);}
.btn-soft{background:var(--purple-soft);color:var(--purple-deep);}
.btn-soft:hover{background:#E1D9FF;color:var(--purple-deep);}
.btn-accent{background:var(--orange);color:#25160A;}
.btn-accent:hover{background:#F5761F;color:#25160A;transform:translateY(-1px);}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.32);}
.btn-on-dark:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:999px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.badge-purple{background:var(--purple-soft);color:var(--purple-deep);}
.badge-lime{background:rgba(198,242,78,.24);color:#3D4A0B;}
.badge-dark{background:rgba(0,0,0,.42);color:#fff;backdrop-filter:blur(6px);}
.badge-cyan{background:rgba(53,199,199,.15);color:#1C7C7C;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:26px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--purple);}
.crumb .sep{color:#C6C0DC;}
.crumb .now{color:var(--ink-2);font-weight:600;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-head{padding:14px 0 0;}
.article-head .kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.article-title{
  font-size:44px;line-height:1.32;font-weight:700;color:var(--ink);
  margin:16px 0 0;letter-spacing:-.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:18px;font-size:14px;color:var(--ink-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--purple);font-size:13px;}
.hero-figure{
  margin-top:26px;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);background:var(--purple-soft);
  aspect-ratio:16/9;box-shadow:var(--sh-1);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}

/* ============ 阅读布局 ============ */
.read-wrap{padding:48px 0 0;}
.read-grid{display:grid;grid-template-columns:minmax(0,760px) 220px;gap:56px;justify-content:center;align-items:start;}
.article-body{font-size:17px;line-height:1.9;color:var(--ink);}
.article-body > * + *{margin-top:1.15em;}
.article-body p{color:#2B2538;}
.article-body h2{
  font-size:30px;line-height:1.35;font-weight:700;color:var(--ink);
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
}
.article-body h3{font-size:22px;line-height:1.45;font-weight:700;margin-top:28px;color:var(--ink);}
.article-body h4{font-size:18px;font-weight:700;margin-top:22px;color:var(--ink);}
.article-body ul,.article-body ol{padding-left:22px;line-height:1.8;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body a{color:var(--purple);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--cyan);}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body img{border-radius:var(--r-thumb);margin:26px auto;}
.article-body blockquote{
  background:var(--purple-soft);border-left:4px solid var(--purple);
  border-radius:0 var(--r-thumb) var(--r-thumb) 0;
  padding:18px 22px;color:#3A3450;font-size:16.5px;
}
.article-body blockquote p{margin:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15.5px;display:block;overflow-x:auto;
  border:1px solid var(--line);border-radius:var(--r-thumb);
}
.article-body thead{background:var(--purple-soft);}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body code{
  background:var(--space);color:#EDE8FF;border-radius:12px;
  padding:2px 8px;font-size:14.5px;
}
.article-body pre{
  background:var(--space);color:#EDE8FF;border-radius:12px;
  padding:20px;overflow-x:auto;font-size:14.5px;line-height:1.75;
}
.article-body pre code{background:none;padding:0;}

/* 侧栏 */
.read-aside{position:sticky;top:110px;display:flex;flex-direction:column;gap:16px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px;}
.side-list li{margin-bottom:10px;}
.side-list a{font-size:14.5px;color:var(--ink-2);display:flex;align-items:center;gap:8px;}
.side-list a::before{content:"";width:2px;height:14px;border-radius:2px;background:var(--line);transition:background .2s ease;}
.side-list a:hover{color:var(--purple);}
.side-list a:hover::before{background:var(--lime);}
.side-note{font-size:13.5px;color:var(--ink-3);line-height:1.8;}

/* 空态 */
.empty-state{
  border:1px dashed #C9C1E6;border-radius:var(--r-card);
  padding:48px 24px;text-align:center;background:#FCFBFF;
}
.empty-state i{font-size:26px;color:var(--purple);}
.empty-state p{font-size:17px;color:var(--ink-2);margin:14px 0 20px;}

/* ============ 文末 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:13.5px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tag:hover{background:var(--purple);color:#fff;border-color:var(--purple);}
.cta-card{
  margin-top:36px;border-radius:var(--r-hero);padding:30px;
  background:linear-gradient(135deg,var(--space) 0%,var(--space-2) 100%);
  border:1px solid rgba(198,242,78,.35);
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;
}
.cta-card h3{font-size:21px;font-weight:700;color:#fff;}
.cta-card p{font-size:14.5px;color:var(--on-dark-2);margin-top:8px;max-width:520px;}
.return-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ============ 相关推荐 ============ */
.rec-section{padding:64px 0 0;}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:26px;}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CDF8;}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--purple-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);transition:color .22s ease;}
.card:hover .card-body h3{color:var(--purple);}
.card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--ink-3);padding-top:6px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--space);color:var(--on-dark-2);margin-top:88px;padding:64px 0 32px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-desc{font-size:14.5px;line-height:1.85;color:#8B86A0;max-width:340px;}
.foot-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-col ul li{margin-bottom:12px;}
.foot-col a{color:#8B86A0;font-size:14.5px;}
.foot-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px;}
.foot-contact li{font-size:14px;color:#8B86A0;line-height:1.8;}
.foot-contact b{color:#C9C2E8;font-weight:600;}
.foot-links-row{
  display:flex;flex-wrap:wrap;gap:10px 26px;padding:24px 0;
  border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);
}
.foot-links-row a{color:#8B86A0;font-size:14px;}
.foot-links-row a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px;}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:22px;font-size:13.5px;color:#8B86A0;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .read-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .read-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 260px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-title{font-size:34px;}
  .h2{font-size:26px;}
}
@media screen and (max-width:767px){
  .site-header{padding:12px 12px 0;}
  .nav-shell{padding:8px 10px 8px 16px;gap:10px;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-links{
    position:fixed;inset:0;z-index:80;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:6px;padding:88px 24px 32px;margin:0;
    background:rgba(12,10,23,.97);backdrop-filter:blur(16px);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;
    overflow-y:auto;
  }
  .nav-links.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{font-size:17px;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.04);}
  .nav-link.is-active::after{display:none;}
  .nav-drawer-close{
    display:flex;align-items:center;justify-content:center;
    position:absolute;top:20px;right:20px;width:44px;height:44px;
    border-radius:999px;border:1px solid rgba(255,255,255,.2);
    background:rgba(255,255,255,.08);color:#fff;font-size:22px;line-height:1;cursor:pointer;
  }
  .nav-drawer-cta{display:flex !important;margin-top:14px;}
  .section{padding:48px 0;}
  .article-title{font-size:30px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:24px;margin-top:34px;}
  .article-body h3{font-size:19px;}
  .h2{font-size:24px;}
  .hero-figure{border-radius:20px;}
  .cta-card{border-radius:22px;padding:24px;}
  .rec-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
}
@media screen and (max-width:480px){
  .container,.container-read{padding:0 16px;}
  .article-title{font-size:26px;}
  .btn{width:100%;}
  .return-row .btn{width:100%;}
  .cta-card .btn{width:100%;}
  .crumb .now{max-width:130px;}
}

/* roulang page: category1 */
:root{
  --purple:#6D4AFF;
  --purple-deep:#4B2FD6;
  --purple-soft:#EDE8FF;
  --lime:#C6F24E;
  --cyan:#35C7C7;
  --orange:#FF8A3D;
  --ink:#17131F;
  --ink-2:#5A5470;
  --ink-3:#8B86A0;
  --bg-read:#F5F3FF;
  --card:#FFFFFF;
  --line:#E6E1F5;
  --deep:#0C0A17;
  --deep-2:#171331;
  --on-deep:#FFFFFF;
  --on-deep-2:#C9C2E8;
  --on-deep-3:#8B86A0;
  --r-hero:28px;
  --r-card:18px;
  --r-thumb:14px;
  --r-btn:12px;
  --sh:0 6px 18px rgba(76,47,214,.10);
  --sh-hover:0 14px 32px rgba(76,47,214,.18);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg-read);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--purple-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.reading{max-width:760px;margin:0 auto;}
.section{padding:88px 0;}
.section-tint{background:#FFFFFF;}
.section-deep{background:var(--deep);color:var(--on-deep);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;margin:0;}
.section-deep .section-head p{color:var(--on-deep-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--purple-deep);background:var(--purple-soft);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-deep .eyebrow{background:rgba(255,255,255,.08);color:var(--lime);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  padding:0 16px;
  transition:top .25s ease;
}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 20px;
  border-radius:999px;
  background:rgba(12,10,23,.72);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(12,10,23,.9);
  box-shadow:0 14px 32px rgba(12,10,23,.4);
}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  color:#fff;font-size:17px;font-weight:700;letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-dot{
  width:10px;height:10px;border-radius:3px;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(198,242,78,.14);
  flex:0 0 auto;
  transform:rotate(45deg);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  color:var(--on-deep-2);font-size:15px;font-weight:500;
  padding:8px 14px;border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:999px;
  background:var(--purple);color:#fff;font-size:15px;font-weight:600;
  white-space:nowrap;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--purple-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(109,74,255,.35);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;}
.nav-drawer-close{
  display:none;position:absolute;top:14px;right:14px;
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:22px;line-height:1;cursor:pointer;
}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;cursor:pointer;
  border:1px solid transparent;text-align:center;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--purple);color:#fff;box-shadow:var(--sh);}
.btn-primary:hover{background:var(--purple-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--purple-deep);border-color:var(--purple);}
.btn-outline:hover{background:var(--purple-soft);color:var(--purple-deep);transform:translateY(-1px);}
.btn-accent{background:var(--orange);color:#2A1400;}
.btn-accent:hover{background:#FF7A24;color:#2A1400;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;border-radius:999px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-soft{background:var(--purple-soft);color:var(--purple-deep);}
.badge-dark{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.16);}
.badge-lime{background:rgba(198,242,78,.16);color:#DDFA7E;border:1px solid rgba(198,242,78,.3);}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  color:var(--ink-2);font-size:14px;font-weight:500;
  transition:all .2s ease;
}
.tag:hover{background:var(--purple);border-color:var(--purple);color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--deep);
  color:#fff;
  padding:158px 0 84px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 22%, rgba(109,74,255,.42), transparent 46%),
    radial-gradient(circle at 84% 8%, rgba(53,199,199,.24), transparent 42%),
    linear-gradient(180deg, rgba(12,10,23,.82) 0%, rgba(12,10,23,.94) 62%, #0C0A17 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{align-items:center;}
.hero h1{
  font-size:44px;line-height:1.28;margin-bottom:18px;color:#fff;
}
.hero h1 .hl{
  color:var(--lime);
  box-shadow:inset 0 -.36em 0 rgba(109,74,255,.45);
}
.hero-sub{
  font-size:17px;color:var(--on-deep-2);max-width:560px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-chip{
  display:flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.stat-chip b{font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em;}
.stat-chip span{font-size:13px;color:var(--on-deep-3);}
.hero-card{
  background:rgba(23,19,49,.86);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-hero);
  padding:18px;
  box-shadow:0 24px 60px rgba(0,0,0,.42);
}
.hero-card .thumb{
  position:relative;border-radius:var(--r-thumb);overflow:hidden;
  aspect-ratio:16/10;background:var(--deep-2);
}
.hero-card .thumb img{width:100%;height:100%;object-fit:cover;}
.hero-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(12,10,23,.05) 40%, rgba(12,10,23,.72) 100%);
}
.hero-card .thumb-badge{position:absolute;top:12px;left:12px;z-index:2;}
.hero-card .thumb-cap{
  position:absolute;left:14px;right:14px;bottom:12px;z-index:2;
  font-size:14px;color:#fff;font-weight:600;
}
.hero-card-list{margin-top:16px;}
.hero-card-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14);
  font-size:14.5px;color:var(--on-deep-2);
}
.hero-card-list li:last-child{border-bottom:0;padding-bottom:2px;}
.hero-card-list i{color:var(--lime);font-size:13px;margin-top:6px;}

/* ---------- 对照卡 ---------- */
.compare-grid{align-items:stretch;}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  padding:34px 32px;
  height:100%;
  transition:transform .22s ease,box-shadow .22s ease;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.panel h3{font-size:22px;margin-bottom:14px;}
.panel p{color:var(--ink-2);font-size:16px;}
.panel-highlight{
  background:linear-gradient(160deg,#FFFFFF 0%, #F8F6FF 100%);
  border-color:#D9D0FF;
}
.panel-list{margin:20px 0 26px;}
.panel-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;font-size:16px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.panel-list li:last-child{border-bottom:0;}
.panel-list i{color:var(--purple);font-size:15px;margin-top:6px;}
.panel-list b{color:var(--ink);font-weight:600;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:24px;width:2px;
  background:linear-gradient(180deg,var(--purple) 0%, rgba(109,74,255,.16) 100%);
}
.tl-item{position:relative;padding:0 0 32px 62px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:0;top:2px;
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--purple);
  color:var(--purple-deep);font-size:13px;font-weight:700;
  box-shadow:0 4px 12px rgba(76,47,214,.16);
}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{color:var(--ink-2);font-size:16px;margin:0;}
.tl-item .tl-meta{
  display:inline-flex;margin-top:12px;
}
.tl-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 32px;box-shadow:var(--sh);
}

/* ---------- 资源网格 ---------- */
.res-grid{margin-top:40px;}
.res-card{
  display:block;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D9D0FF;}
.res-icon{
  width:48px;height:48px;border-radius:14px;
  background:var(--purple-soft);color:var(--purple-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:16px;
}
.res-card:hover .res-icon{background:var(--purple);color:#fff;}
.res-card h3{font-size:17.5px;margin-bottom:8px;}
.res-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0;}

/* ---------- 图文检查清单 ---------- */
.check-grid{align-items:center;}
.check-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);background:#fff;
}
.check-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:var(--purple-soft);color:var(--purple-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;margin-top:4px;
}
.check-list b{display:block;font-size:16.5px;color:var(--ink);margin-bottom:4px;}
.check-list span{font-size:15px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 22px 18px;
  position:relative;
  font-size:18px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;
  border-radius:4px;background:var(--purple);opacity:.85;
}
.faq-item summary:hover{color:var(--purple-deep);}
.faq-item .chev{
  flex:0 0 auto;color:var(--ink-3);font-size:14px;
  transition:transform .25s ease,color .2s ease;
}
.faq-item[open] .chev{transform:rotate(180deg);color:var(--purple);}
.faq-body{
  padding:0 0 24px 18px;font-size:16px;color:var(--ink-2);line-height:1.85;
  max-width:760px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--deep);
  border-radius:var(--r-hero);
  border:1px solid rgba(198,242,78,.34);
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(109,74,255,.5),transparent 68%);
}
.cta-band h2{font-size:26px;margin-bottom:8px;position:relative;z-index:2;}
.cta-band p{color:var(--on-deep-2);font-size:15.5px;margin:0;position:relative;z-index:2;}
.cta-band .btn{position:relative;z-index:2;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);color:var(--on-deep-2);
  padding:72px 0 32px;margin-top:0;
}
.foot-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;
}
.foot-desc{font-size:14.5px;color:var(--on-deep-3);max-width:360px;line-height:1.85;margin:0;}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.foot-col ul li{margin-bottom:10px;}
.foot-col a,.foot-col li{font-size:14.5px;color:var(--on-deep-3);}
.foot-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px;}
.foot-contact li{font-size:14px;color:var(--on-deep-3);line-height:1.8;}
.foot-contact b{color:var(--on-deep-2);font-weight:600;}
.foot-links-row{
  display:flex;flex-wrap:wrap;gap:22px;
  padding:24px 0;margin-top:8px;
  border-top:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.foot-links-row a{font-size:14px;color:var(--on-deep-3);}
.foot-links-row a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px;}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:13.5px;color:var(--on-deep-3);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .hero{padding:140px 0 72px;}
  .hero h1{font-size:34px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:26px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .nav-links{
    position:fixed;inset:0;
    background:rgba(12,10,23,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    flex-direction:column;align-items:stretch;justify-content:center;
    gap:10px;padding:88px 28px 40px;
    transform:translateY(-100%);
    opacity:0;pointer-events:none;
    transition:transform .3s ease,opacity .3s ease;
    margin-left:0;
    border-radius:0;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-link{
    font-size:19px;padding:16px 18px;border-radius:14px;
    border:1px solid rgba(255,255,255,.08);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(109,74,255,.22);color:#fff;}
  .nav-drawer-close{display:flex;align-items:center;justify-content:center;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-drawer-cta{display:inline-flex !important;margin-top:18px;}
}
@media screen and (max-width:639px){
  body{font-size:16px;line-height:1.85;}
  .container{padding:0 18px;}
  .site-header{top:10px;padding:0 10px;}
  .nav-shell{padding:8px 10px 8px 16px;}
  .brand{font-size:15px;}
  .hero{padding:126px 0 60px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .stat-chip{padding:9px 14px;flex:1 1 46%;}
  .stat-chip b{font-size:17px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .panel{padding:26px 22px;}
  .panel h3{font-size:19px;}
  .tl-wrap{padding:26px 20px;}
  .tl-item{padding-left:54px;}
  .tl-item h3{font-size:17.5px;}
  .faq-item summary{font-size:17px;padding:18px 0 18px 16px;}
  .faq-item summary::before{top:20px;bottom:20px;}
  .faq-body{padding-left:16px;font-size:15.5px;}
  .cta-band{padding:30px 22px;border-radius:22px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .site-footer{padding:56px 0 26px;}
}
@media screen and (max-width:480px){
  .hero h1{font-size:27px;}
  .stat-chip{flex:1 1 100%;}
  .badge{font-size:12px;padding:4px 10px;}
}

/* roulang page: category2 */
:root{
  --purple:#6D4AFF;
  --purple-deep:#4B2FD6;
  --purple-light:#EDE8FF;
  --lime:#C6F24E;
  --cyan:#35C7C7;
  --orange:#FF8A3D;
  --deep:#0C0A17;
  --deep-2:#171331;
  --bg:#F5F3FF;
  --card:#FFFFFF;
  --line:#E6E1F5;
  --text:#17131F;
  --text-2:#5A5470;
  --text-3:#8B86A0;
  --on-deep:#FFFFFF;
  --on-deep-2:#C9C2E8;
  --r-hero:28px;
  --r-card:18px;
  --r-thumb:14px;
  --r-btn:12px;
  --sh:0 6px 18px rgba(76,47,214,.10);
  --sh-h:0 14px 32px rgba(76,47,214,.18);
  --sec:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",Inter,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--purple-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--purple);}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.35;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.read{max-width:760px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:56px 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px;}
.sec-head p{color:var(--text-2);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--purple-deep);background:var(--purple-light);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow.on-deep{color:var(--lime);background:rgba(198,242,78,.12);}
.on-deep h1,.on-deep h2,.on-deep h3{color:var(--on-deep);}
.on-deep p{color:var(--on-deep-2);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--purple);color:#fff;box-shadow:var(--sh);}
.btn-primary:hover{background:var(--purple-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-h);}
.btn-ghost{background:transparent;color:var(--on-deep);border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline{background:#fff;color:var(--purple-deep);border-color:var(--purple);}
.btn-outline:hover{background:var(--purple-light);color:var(--purple-deep);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;border-radius:999px;}
.btn-lime{background:var(--lime);color:#16240A;border-color:var(--lime);}
.btn-lime:hover{background:#d6ff62;color:#16240A;}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 11px;border-radius:999px;
}
.badge-soft{background:var(--purple-light);color:var(--purple-deep);}
.badge-line{background:#fff;color:var(--text-2);border:1px solid var(--line);}
.badge-deep{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.16);}
.badge-lime{background:rgba(198,242,78,.16);color:#D8FF72;border:1px solid rgba(198,242,78,.30);}
.badge-cyan{background:rgba(53,199,199,.14);color:#0E6E6E;border:1px solid rgba(53,199,199,.28);}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  color:var(--text-2);font-size:15px;font-weight:500;
  box-shadow:var(--sh);
  transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease;
}
.tag:hover{background:var(--purple);color:#fff;border-color:var(--purple);transform:translateY(-2px);}

/* 顶部导航 */
.site-header{
  position:fixed;top:18px;left:0;right:0;z-index:80;
  padding:0 16px;
  transition:top .25s ease;
}
.site-header.is-scrolled{top:8px;}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(12,10,23,.72);
  border:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(12,10,23,.92);
  box-shadow:0 16px 34px rgba(12,10,23,.32);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.01em;
}
.brand:hover{color:#fff;}
.brand-dot{
  width:10px;height:10px;border-radius:3px;background:var(--lime);
  box-shadow:0 0 0 4px rgba(198,242,78,.16);
  flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;color:var(--on-deep-2);font-size:15px;font-weight:500;
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-cta{
  display:inline-flex;align-items:center;height:42px;padding:0 20px;
  border-radius:999px;background:var(--purple);color:#fff;
  font-size:15px;font-weight:600;
  box-shadow:0 6px 18px rgba(109,74,255,.35);
  transition:background .2s ease,transform .2s ease;
}
.nav-cta:hover{background:var(--purple-deep);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;align-items:center;justify-content:center;
}
.nav-toggle svg{width:22px;height:22px;}
.nav-drawer-close{display:none;}

/* 首屏 */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--deep) url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  padding:158px 0 84px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(12,10,23,.96) 0%,rgba(12,10,23,.82) 45%,rgba(23,19,49,.72) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.9;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%,rgba(255,255,255,.55),transparent),
    radial-gradient(1.6px 1.6px at 68% 14%,rgba(198,242,78,.65),transparent),
    radial-gradient(1.6px 1.6px at 84% 64%,rgba(255,255,255,.42),transparent),
    radial-gradient(1.6px 1.6px at 34% 82%,rgba(53,199,199,.55),transparent),
    radial-gradient(1.6px 1.6px at 54% 46%,rgba(255,255,255,.30),transparent);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{font-size:13px;color:#8B86A0;margin-bottom:22px;}
.crumb a{color:#8B86A0;}
.crumb a:hover{color:#fff;}
.crumb span.sep{margin:0 8px;color:#5A5470;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
.hero-copy h1{font-size:clamp(30px,4.1vw,44px);margin-bottom:18px;}
.hero-copy .lede{font-size:18px;color:var(--on-deep-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-chip{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 16px;border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8B86A0;
}
.stat-chip b{font-size:18px;color:#fff;font-weight:700;font-family:Inter,"HarmonyOS Sans",sans-serif;}
.hero-visual{position:relative;}
.hero-visual .shot{
  border-radius:var(--r-hero);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 24px 56px rgba(0,0,0,.45);
  position:relative;aspect-ratio:16/10;background:var(--deep-2);
}
.hero-visual .shot img{width:100%;height:100%;object-fit:cover;}
.hero-visual .shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,10,23,.05) 40%,rgba(12,10,23,.78) 100%);
}
.hero-caption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:3;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-caption span{color:#fff;font-size:14px;font-weight:600;}

/* 标签区 */
.tag-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-hero);
  padding:42px 40px;box-shadow:var(--sh);
  margin-top:-46px;position:relative;z-index:3;
}
.tag-panel h2{font-size:22px;margin-bottom:12px;}
.tag-panel p{color:var(--text-2);font-size:16px;margin-bottom:24px;max-width:720px;}

/* 目录 */
.catalogue{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cat-grid{display:grid;grid-template-columns:1.75fr 1fr;gap:44px;align-items:start;}
.guide-list{border-top:1px solid var(--line);}
.guide-item{
  display:flex;align-items:center;gap:20px;
  padding:22px 8px;border-bottom:1px solid var(--line);
  transition:background .22s ease,padding .22s ease;
}
.guide-item:hover{background:var(--bg);padding-left:16px;padding-right:16px;border-radius:14px;}
.guide-num{
  font-family:Inter,"HarmonyOS Sans",sans-serif;
  font-size:26px;font-weight:700;color:var(--purple-light);
  -webkit-text-stroke:1px var(--purple);
  min-width:52px;text-align:center;line-height:1;
}
.guide-body{flex:1;min-width:0;}
.guide-body h3{font-size:18px;line-height:1.5;margin-bottom:6px;}
.guide-item:hover .guide-body h3{color:var(--purple);}
.guide-body p{font-size:14.5px;color:var(--text-3);margin:0;}
.guide-meta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.guide-arrow{
  width:36px;height:36px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--purple);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;transition:all .22s ease;
}
.guide-item:hover .guide-arrow{background:var(--purple);color:#fff;border-color:var(--purple);}

.side-panel{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;
}
.side-panel h3{font-size:18px;margin-bottom:8px;}
.side-panel > p{font-size:14.5px;color:var(--text-2);margin-bottom:18px;}
.clip-rail{display:flex;gap:14px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory;}
.clip-rail::-webkit-scrollbar{height:0;}
.clip-card{
  position:relative;flex:0 0 168px;scroll-snap-align:start;
  border-radius:var(--r-thumb);overflow:hidden;background:var(--deep-2);
  aspect-ratio:9/16;border:1px solid var(--line);
}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.clip-card:hover img{transform:scale(1.05);}
.clip-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,10,23,.12) 35%,rgba(12,10,23,.86) 100%);
}
.clip-tag{position:absolute;top:10px;left:10px;z-index:3;}
.clip-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  z-index:3;width:44px;height:44px;border-radius:999px;
  background:rgba(255,255,255,.88);color:var(--purple-deep);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.clip-foot{position:absolute;left:10px;right:10px;bottom:10px;z-index:3;color:#fff;font-size:13px;line-height:1.5;}
.clip-foot b{display:block;font-weight:600;}
.clip-foot em{font-style:normal;color:#C9C2E8;font-size:12px;}

/* 场景对照 */
.compare-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
}
table.smart{width:100%;border-collapse:separate;border-spacing:0;}
table.smart thead th{
  background:var(--purple-light);color:var(--purple-deep);
  font-size:14.5px;font-weight:700;text-align:left;
  padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.smart tbody td{
  padding:18px 20px;font-size:15.5px;color:var(--text-2);
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.smart tbody tr:nth-child(even){background:#FBFAFF;}
table.smart tbody tr:hover{background:var(--bg);}
table.smart tbody td:first-child{color:var(--text);font-weight:600;}
table.smart tbody tr:last-child td{border-bottom:0;}
.table-scroll{overflow-x:auto;}

/* 训练节奏 */
.plan-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#D8CFFF;}
.plan-card .plan-no{
  display:inline-block;font-family:Inter,sans-serif;font-size:13px;font-weight:700;
  color:var(--purple-deep);background:var(--purple-light);
  border-radius:999px;padding:4px 10px;margin-bottom:14px;
}
.plan-card h3{font-size:17px;margin-bottom:8px;}
.plan-card p{font-size:14.5px;color:var(--text-2);margin:0;}
.plan-card .plan-time{
  display:block;margin-top:14px;font-size:13px;color:var(--cyan);font-weight:600;
}

/* FAQ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);border-left:4px solid var(--purple);padding-left:18px;}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:18px;font-weight:600;color:var(--text);
  cursor:pointer;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--purple);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  border:1px solid var(--line);color:var(--purple);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--purple);color:#fff;border-color:var(--purple);}
.faq-body{padding:0 0 22px;}
.faq-body p{font-size:16px;color:var(--text-2);line-height:1.85;margin:0;}

/* CTA 带 */
.cta-band{
  background:var(--deep);
  border-radius:var(--r-hero);
  border:1px solid rgba(198,242,78,.35);
  padding:42px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 20px 46px rgba(12,10,23,.28);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,74,255,.45),transparent 70%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);color:#fff;margin-bottom:10px;}
.cta-band p{color:var(--on-deep-2);font-size:16px;margin:0;max-width:660px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* 页脚 */
.site-footer{background:var(--deep);padding:72px 0 34px;margin-top:var(--sec);}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
.foot-desc{color:#8B86A0;font-size:15px;line-height:1.85;max-width:400px;margin:0;}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul li a{color:#8B86A0;font-size:15px;}
.foot-col ul li a:hover{color:#fff;box-shadow:inset 0 -1px 0 var(--lime);}
.foot-contact li{color:#8B86A0;font-size:15px;line-height:1.8;}
.foot-contact li b{color:#C9C2E8;font-weight:600;}
.foot-links-row{
  display:flex;flex-wrap:wrap;gap:22px;
  padding:24px 0;border-top:1px solid rgba(255,255,255,.12);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-links-row a{color:#8B86A0;font-size:14.5px;}
.foot-links-row a:hover{color:#fff;box-shadow:inset 0 -1px 0 var(--lime);}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;color:#8B86A0;font-size:14px;
}

/* 响应式 */
@media screen and (max-width:1024px){
  :root{--sec:72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .cat-grid{grid-template-columns:1fr;gap:36px;}
  .plan-strip{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:900px){
  .nav-links{
    position:fixed;inset:0;z-index:90;
    display:none;flex-direction:column;align-items:flex-start;justify-content:center;
    gap:6px;padding:84px 32px 32px;
    background:rgba(12,10,23,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  }
  .nav-links.is-open{display:flex;}
  .nav-links .nav-link{font-size:20px;padding:14px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.08);}
  .nav-links .nav-drawer-cta{display:inline-flex !important;margin-top:22px;}
  .nav-drawer-close{
    display:flex;position:absolute;top:22px;right:22px;
    width:44px;height:44px;align-items:center;justify-content:center;
    border-radius:999px;background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.18);color:#fff;font-size:24px;line-height:1;
  }
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{padding:8px 10px 8px 16px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;line-height:1.85;}
  :root{--sec:56px;}
  .page-hero{padding:132px 0 64px;}
  .tag-panel{padding:30px 22px;margin-top:-30px;border-radius:22px;}
  .guide-item{flex-wrap:wrap;gap:12px;padding:18px 4px;}
  .guide-num{font-size:22px;min-width:40px;}
  .guide-meta{width:100%;justify-content:flex-start;}
  .plan-strip{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .cta-band{padding:30px 22px;border-radius:22px;}
  .foot-bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
  .crumb{font-size:12px;}
  .hero-copy .lede{font-size:16px;}
  table.smart thead th,table.smart tbody td{padding:14px 16px;font-size:14.5px;}
  .faq-item summary{font-size:16.5px;}
  .tag{padding:8px 14px;font-size:14px;}
}