/* roulang page: index */
:root{
  --bg-900:#070B14;
  --bg-800:#0C1424;
  --panel:#101A2C;
  --primary:#6E5BFF;
  --primary-soft:rgba(110,91,255,.16);
  --accent:#22E0C8;
  --warn:#FFB45C;
  --danger:#FF6B6B;
  --text-1:#EAF0FF;
  --text-2:#A7B4CC;
  --text-3:#6B7A96;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.08);
  --r-xl:20px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-hi:0 26px 56px rgba(0,0,0,.6);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background-color:var(--bg-900);
  background-image:
    radial-gradient(900px 420px at 78% -10%, rgba(110,91,255,.20), transparent 62%),
    radial-gradient(700px 380px at 8% 6%, rgba(34,224,200,.08), transparent 60%),
    linear-gradient(115deg, rgba(110,91,255,.08) 0%, rgba(110,91,255,0) 46%),
    linear-gradient(115deg, rgba(34,224,200,.05) 0%, rgba(34,224,200,0) 58%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.045) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.045) 0 1px, transparent 1px 72px);
  opacity:.55;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--accent);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25;color:var(--text-1);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.mono, .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* Foundation 覆盖 */
body,html{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",Helvetica,Arial,sans-serif;}
.button,button,input[type="submit"]{border-radius:var(--r-sm);}
input[type="text"],input[type="tel"],input[type="email"],input[type="password"],select,textarea{
  height:auto;margin:0;border-radius:var(--r-sm);box-shadow:none;
}

/* 容器 */
.wrap{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
}
@media (min-width:1440px){ .wrap{max-width:1280px;} }
@media (max-width:1023px){ .wrap{padding:0 24px;} }
@media (max-width:639px){ .wrap{padding:0 16px;} }

.site-header,.site-main,.site-footer{position:relative;z-index:1;}

/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,20,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  background:rgba(7,11,20,.94);
  border-bottom-color:rgba(110,91,255,.32);
  box-shadow:0 12px 32px rgba(0,0,0,.5);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--primary),#8E7BFF);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:-.04em;
  box-shadow:0 0 0 1px rgba(110,91,255,.5),0 8px 22px rgba(110,91,255,.42);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-links a.is-active{color:var(--text-1);font-weight:600;}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 10px rgba(34,224,200,.7);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;
  border:1px solid rgba(34,224,200,.4);
  border-radius:999px;
  font-size:12.5px;
  color:var(--accent);
  white-space:nowrap;
}
.status-pill i{font-size:7px;animation:pulseDot 1.8s ease-in-out infinite;}
@keyframes pulseDot{0%,100%{opacity:1;}50%{opacity:.25;}}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--glass-bd);
  border-radius:11px;
  background:var(--glass-bg);
  color:var(--text-1);
  font-size:16px;
  cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.09);}
.nav-drawer{display:none;}
@media (max-width:1023px){
  .nav-inner{height:56px;gap:12px;}
  .nav-links{display:none;}
  .status-pill{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-right .btn-nav{display:none;}
  .nav-drawer{
    border-top:1px solid var(--line);
    background:rgba(7,11,20,.98);
    padding:12px 16px 20px;
  }
  .nav-drawer.open{display:block;}
  .nav-drawer a.drawer-link{
    display:block;
    padding:14px 4px;
    font-size:16px;
    color:var(--text-2);
    border-bottom:1px solid var(--line);
  }
  .nav-drawer a.drawer-link.is-active{color:var(--text-1);font-weight:600;}
  .nav-drawer .drawer-cta{margin-top:16px;width:100%;}
}
@media (min-width:1024px){
  .nav-drawer{display:none !important;}
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  text-align:center;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 0 0 1px rgba(110,91,255,.9),0 10px 28px rgba(110,91,255,.35);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(110,91,255,1),0 14px 36px rgba(110,91,255,.48);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(110,91,255,.9),0 6px 16px rgba(110,91,255,.3);}
.btn-ghost{
  background:transparent;
  border-color:var(--glass-bd);
  color:var(--text-1);
}
.btn-ghost:hover{
  background:rgba(110,91,255,.08);
  border-color:rgba(110,91,255,.6);
  color:var(--text-1);
  transform:translateY(-2px);
}
.btn-accent{
  background:var(--accent);
  color:#04231F;
  box-shadow:0 0 0 1px rgba(34,224,200,.9),0 10px 28px rgba(34,224,200,.28);
}
.btn-accent:hover{color:#04231F;transform:translateY(-2px);filter:brightness(1.06);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;box-shadow:none;pointer-events:none;}
.glow-breath{animation:breath 3.6s ease-in-out infinite;}
@keyframes breath{
  0%,100%{box-shadow:0 0 0 1px rgba(110,91,255,.9),0 10px 28px rgba(110,91,255,.3);}
  50%{box-shadow:0 0 0 1px rgba(110,91,255,1),0 14px 40px rgba(110,91,255,.55);}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* 玻璃卡 */
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.09);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.glass:hover{
  transform:translateY(-4px);
  border-color:rgba(110,91,255,.4);
  box-shadow:var(--shadow-hi),inset 0 1px 0 rgba(255,255,255,.12);
}

/* 区块 */
.section{padding:96px 0;position:relative;}
@media (max-width:639px){ .section{padding:64px 0;} }
.sec-head{max-width:820px;margin-bottom:28px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:12px;
}
.sec-kicker::before{content:"";width:20px;height:1px;background:var(--accent);display:inline-block;}
.sec-title{font-size:clamp(22px,2.6vw,34px);line-height:1.25;}
.sec-desc{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:720px;}

/* HERO */
.hero{padding:64px 0 76px;position:relative;}
.hero::after{
  content:"";
  position:absolute;
  top:-120px;right:-80px;
  width:620px;height:620px;
  background:radial-gradient(circle,rgba(110,91,255,.22),rgba(110,91,255,0) 68%);
  pointer-events:none;
  z-index:-1;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,58fr) minmax(0,42fr);
  gap:48px;
  align-items:center;
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
  .hero-copy{order:1;}
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px;
  border:1px solid var(--glass-bd);
  background:var(--glass-bg);
  color:var(--text-2);
}
.pill.is-warn{border-color:rgba(255,180,92,.45);color:var(--warn);background:rgba(255,180,92,.08);}
.pill.is-primary{border-color:rgba(110,91,255,.5);color:#C7BEFF;background:rgba(110,91,255,.12);}
.hero h1{
  font-size:clamp(28px,4.2vw,50px);
  line-height:1.15;
  letter-spacing:-.02em;
  max-width:14em;
}
.hero-sub{
  margin-top:20px;
  font-size:clamp(15px,1.4vw,17px);
  color:var(--text-2);
  max-width:32em;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px;}
.countdown-bar{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  padding:12px 18px;
  min-height:52px;
  border-radius:var(--r-sm);
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.countdown-bar .cd-label{font-size:13px;color:var(--text-2);}
.cd-clock{display:flex;align-items:center;gap:8px;margin-left:auto;font-variant-numeric:tabular-nums;}
.cd-cell{
  min-width:46px;
  padding:5px 6px;
  text-align:center;
  border-radius:9px;
  background:rgba(255,180,92,.1);
  border:1px solid rgba(255,180,92,.3);
  color:var(--warn);
  font-size:19px;
  font-weight:700;
  line-height:1.2;
}
.cd-cell.tick{animation:tickPop .35s ease;}
@keyframes tickPop{0%{transform:translateY(-3px);opacity:.6;}100%{transform:translateY(0);opacity:1;}}
.cd-unit{font-size:12px;color:var(--text-3);margin-left:-4px;}
.trust-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  margin-top:30px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.trust-item .t-num{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
}
.trust-item .t-label{font-size:13px;color:var(--text-3);margin-top:2px;}
@media (max-width:639px){
  .trust-row{grid-template-columns:1fr;gap:12px;}
  .trust-item{display:flex;align-items:baseline;gap:10px;}
  .trust-item .t-label{margin-top:0;}
  .cd-cell{min-width:38px;font-size:16px;}
  .cd-clock{margin-left:0;width:100%;justify-content:space-between;}
}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;
  border-radius:var(--r-xl);
  padding:10px;
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow-hi),0 0 0 1px rgba(110,91,255,.18),0 0 60px rgba(110,91,255,.18);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-md);
}
.hero-figure::after{
  content:"";
  position:absolute;inset:10px;
  border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(7,11,20,0) 40%,rgba(7,11,20,.6));
  pointer-events:none;
}
.hero-float{
  position:absolute;
  left:-16px;bottom:26px;
  padding:12px 16px;
  border-radius:var(--r-md);
  background:rgba(16,26,44,.88);
  border:1px solid rgba(34,224,200,.34);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.hero-float .f-top{font-size:12px;color:var(--accent);}
.hero-float .f-main{font-size:15px;font-weight:600;margin-top:2px;}
@media (max-width:639px){
  .hero-float{left:8px;bottom:12px;padding:10px 12px;}
  .hero-float .f-main{font-size:13.5px;}
}

/* 优惠阶梯 */
.ladder-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
@media (max-width:1023px){ .ladder-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:520px){ .ladder-grid{grid-template-columns:1fr;} }
.ladder-card{
  position:relative;
  padding:24px 20px;
  border-radius:var(--r-lg);
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.ladder-card:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.4);}
.ladder-card.is-current{
  border-color:rgba(110,91,255,.65);
  background:linear-gradient(180deg,rgba(110,91,255,.14),rgba(255,255,255,.05));
  box-shadow:0 20px 46px rgba(110,91,255,.28),inset 0 1px 0 rgba(255,255,255,.12);
}
.ladder-step{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;font-variant-numeric:tabular-nums;}
.ladder-name{margin-top:8px;font-size:18px;}
.ladder-value{
  margin-top:10px;
  font-size:34px;
  font-weight:700;
  line-height:1.1;
  color:var(--warn);
  font-variant-numeric:tabular-nums;
}
.ladder-value span{font-size:15px;color:var(--text-2);font-weight:500;margin-left:4px;}
.ladder-cond{
  margin-top:14px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:13.5px;
  color:var(--text-2);
  min-height:66px;
}
.tag{
  display:inline-block;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  border:1px solid var(--glass-bd);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
}
.tag.is-primary{border-color:rgba(110,91,255,.5);background:rgba(110,91,255,.14);color:#C9C1FF;}
.tag.is-accent{border-color:rgba(34,224,200,.42);background:rgba(34,224,200,.1);color:var(--accent);}
.tag.is-warn{border-color:rgba(255,180,92,.42);background:rgba(255,180,92,.1);color:var(--warn);}
.ladder-card .tag{margin-top:12px;}

/* 套餐对比 */
.plan-scroll{width:100%;}
.plan-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  align-items:start;
}
@media (max-width:1023px){ .plan-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:679px){
  .plan-scroll{overflow-x:auto;padding-bottom:12px;-webkit-overflow-scrolling:touch;}
  .plan-grid{grid-template-columns:repeat(4,272px);gap:14px;}
}
.plan{
  display:flex;
  flex-direction:column;
  padding:22px 20px 24px;
  border-radius:var(--r-lg);
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.plan:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.4);}
.plan.is-featured{
  transform:translateY(-8px);
  border-color:rgba(110,91,255,.7);
  background:linear-gradient(180deg,rgba(110,91,255,.16),rgba(255,255,255,.05));
  box-shadow:0 26px 56px rgba(110,91,255,.32),0 0 0 1px rgba(110,91,255,.35);
}
.plan.is-featured:hover{transform:translateY(-12px);}
.plan-badge{
  align-self:flex-start;
  margin-bottom:12px;
  padding:4px 11px;
  border-radius:999px;
  font-size:11.5px;
  letter-spacing:.04em;
  background:var(--accent);
  color:#04231F;
  font-weight:700;
}
.plan-head h3{font-size:20px;}
.plan-price{
  margin-top:10px;
  font-size:30px;
  font-weight:700;
  color:var(--text-1);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.plan-price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:2px;}
.plan-note{margin-top:8px;font-size:13px;color:var(--text-3);min-height:40px;}
.plan-list{margin-top:16px;border-top:1px solid var(--line);}
.plan-list li{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
  padding:11px 2px;
  font-size:13.5px;
  color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.plan-list li:nth-child(even){background:rgba(255,255,255,.022);}
.plan-list li b{color:var(--text-1);font-weight:600;text-align:right;font-variant-numeric:tabular-nums;}
.plan .btn{margin-top:20px;}

/* 限时入口 */
.limited-banner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:26px;
  align-items:center;
  padding:28px 30px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:linear-gradient(120deg,rgba(110,91,255,.22),rgba(34,224,200,.1) 70%,rgba(255,255,255,.04));
  border:1px solid rgba(110,91,255,.42);
  box-shadow:0 24px 54px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.12);
}
@media (max-width:839px){
  .limited-banner{grid-template-columns:1fr;gap:20px;padding:24px 20px;}
}
.limited-banner h2{font-size:clamp(20px,2.2vw,26px);}
.limited-banner p{margin:8px 0 0;color:var(--text-2);font-size:14.5px;max-width:44em;}
.progress-wrap{margin-top:16px;max-width:460px;}
.progress-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-2);margin-bottom:7px;font-variant-numeric:tabular-nums;}
.progress-track{
  height:8px;
  border-radius:99px;
  background:rgba(255,255,255,.09);
  overflow:hidden;
}
.progress-fill{
  height:100%;
  width:78%;
  border-radius:99px;
  background:linear-gradient(90deg,var(--warn),#FF7A6B);
  box-shadow:0 0 14px rgba(255,180,92,.55);
}
.limited-side{text-align:right;}
@media (max-width:839px){ .limited-side{text-align:left;} }
.limited-side .cd-clock{margin:0 0 14px;justify-content:flex-start;}

/* 咨询表单 */
.consult-grid{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:32px;
  align-items:start;
}
@media (max-width:1023px){ .consult-grid{grid-template-columns:1fr;gap:26px;} }
.consult-points{display:flex;flex-direction:column;gap:16px;margin-top:8px;}
.consult-point{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
}
.consult-point i{color:var(--accent);margin-top:4px;font-size:14px;}
.consult-point h3{font-size:15px;margin-bottom:2px;}
.consult-point p{margin:0;font-size:13.5px;color:var(--text-3);line-height:1.7;}
.contact-line{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--text-2);}
.contact-line strong{color:var(--text-1);font-variant-numeric:tabular-nums;}
.form-card{padding:28px 26px 26px;}
@media (max-width:639px){ .form-card{padding:22px 16px 20px;} }
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px 18px;
}
@media (max-width:679px){ .form-grid{grid-template-columns:1fr;} }
.field{position:relative;padding-top:18px;}
.field.full{grid-column:1 / -1;}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:14px 14px 0;
  border-radius:var(--r-sm);
  border:1px solid var(--glass-bd);
  background:rgba(7,11,20,.6);
  color:var(--text-1);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:112px;padding:22px 14px 12px;resize:vertical;line-height:1.7;}
.field select{height:48px;padding:12px 14px 0;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 19px) 21px,calc(100% - 13px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field label{
  position:absolute;
  left:14px;
  top:32px;
  font-size:15px;
  color:var(--text-3);
  pointer-events:none;
  transition:transform .18s ease,font-size .18s ease,color .18s ease,top .18s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(7,11,20,.85);
  box-shadow:0 0 0 3px rgba(110,91,255,.22);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label,
.field select:focus + label,
.field select.has-value + label{
  top:22px;
  font-size:12px;
  color:var(--text-2);
}
.field select + label{top:22px;font-size:12px;}
.field .err{
  display:block;
  min-height:18px;
  font-size:12.5px;
  line-height:18px;
  color:var(--warn);
  padding-top:2px;
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,180,92,.16);}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:8px;}
.form-tip{font-size:12.5px;color:var(--text-3);}
.form-alert{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--r-sm);
  font-size:14px;
  background:rgba(34,224,200,.1);
  border:1px solid rgba(34,224,200,.4);
  color:var(--accent);
}
.form-alert.show{display:block;}

/* 资讯卡片 */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:25px;
}
@media (max-width:1023px){ .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;} }
@media (max-width:679px){ .news-grid{grid-template-columns:1fr;} }
.news-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.42);box-shadow:var(--shadow-hi);}
.news-thumb{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;background:rgba(255,255,255,.04);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,0) 45%,rgba(7,11,20,.72));
  opacity:0;transition:opacity .3s ease;
}
.news-card:hover .news-thumb::after{opacity:1;}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.news-body .tag{align-self:flex-start;margin-bottom:10px;}
.news-title{font-size:17px;line-height:1.45;}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-sum{
  margin:10px 0 0;
  font-size:13.5px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:44px;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
  padding-top:14px;
  font-size:12.5px;
  color:var(--text-3);
}
.news-meta .read{color:var(--primary);font-weight:600;}
.news-meta .read:hover{color:var(--accent);}
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:56px 24px;
  border:1px dashed rgba(255,255,255,.18);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
  text-align:center;
  color:var(--text-2);
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state p{margin:0;font-size:14.5px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{
  border-color:rgba(110,91,255,.45);
  background:rgba(110,91,255,.07);
  box-shadow:0 12px 30px rgba(0,0,0,.35),inset 3px 0 0 var(--primary);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 20px;
  min-height:60px;
  cursor:pointer;
  font-size:15.5px;
  font-weight:600;
  color:var(--text-1);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary span{flex:1;}
.faq-icon{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--glass-bd);
  color:var(--primary);
  font-style:normal;
  font-size:15px;
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--accent);border-color:rgba(34,224,200,.45);}
.faq-body{padding:0 20px 20px 20px;}
.faq-body p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* CTA 收尾 */
.cta-strip{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:22px;
  padding:32px 32px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:linear-gradient(115deg,rgba(110,91,255,.24),rgba(7,11,20,.6) 62%);
  border:1px solid rgba(110,91,255,.4);
  box-shadow:0 24px 56px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.12);
}
@media (max-width:639px){ .cta-strip{padding:24px 20px;} }
.cta-strip h2{font-size:clamp(20px,2.2vw,27px);}
.cta-strip p{margin:8px 0 0;color:var(--text-2);font-size:14.5px;max-width:46em;}

/* 页脚 */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:rgba(7,11,20,.72);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:0;
  padding:56px 0 40px;
}
.footer-col{padding:0 24px;}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-col + .footer-col{border-left:1px solid var(--line);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;padding:44px 0 32px;}
  .footer-col:nth-child(odd){padding-left:0;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-col{padding:0;}
  .footer-col + .footer-col{border-left:0;border-top:1px solid var(--line);padding-top:22px;}
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{font-size:13.5px;color:var(--text-3);line-height:1.85;max-width:30em;}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px;}
.footer-list li{margin-bottom:10px;font-size:14px;}
.footer-list a{color:var(--text-2);}
.footer-list a:hover{color:var(--accent);}
.footer-list .plain{color:var(--text-2);font-variant-numeric:tabular-nums;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  border:1px solid var(--glass-bd);
  background:var(--glass-bg);
  color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.footer-social a:hover{color:var(--accent);border-color:rgba(34,224,200,.45);transform:translateY(-2px);}
.to-top{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;
  border-radius:10px;
  border:1px solid var(--glass-bd);
  background:var(--glass-bg);
  color:var(--text-2);
  font-size:13px;
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.to-top:hover{color:var(--text-1);border-color:rgba(110,91,255,.5);transform:translateY(-2px);}

/* 滚动淡入 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --bg-900:#070B14;
  --bg-800:#0C1424;
  --panel:#101A2C;
  --primary:#6E5BFF;
  --primary-2:#8C7BFF;
  --primary-soft:rgba(110,91,255,.16);
  --accent:#22E0C8;
  --warn:#FFB45C;
  --danger:#FF6B6B;
  --text-1:#EAF0FF;
  --text-2:#A7B4CC;
  --text-3:#6B7A96;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.08);
  --radius-xl:20px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.07), 0 18px 40px rgba(0,0,0,.45);
  --shadow-card-hover:inset 0 1px 0 rgba(255,255,255,.1), 0 24px 52px rgba(0,0,0,.55);
  --container:1200px;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{background-color:var(--bg-900);-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:transparent;
  color:var(--text-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background-image:
    linear-gradient(115deg, rgba(110,91,255,.09) 0%, rgba(110,91,255,0) 40%),
    linear-gradient(115deg, rgba(34,224,200,.055) 0%, rgba(34,224,200,0) 34%),
    radial-gradient(1100px 560px at 80% -8%, rgba(110,91,255,.20), rgba(7,11,20,0) 62%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.035;
  background-image:
    linear-gradient(rgba(255,255,255,.9) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.9) 1px, transparent 1px);
  background-size:72px 72px;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.02em;line-height:1.25;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;}
::selection{background:rgba(110,91,255,.45);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
@media(min-width:1440px){.wrap{max-width:1280px;}}
@media(max-width:1023px){.wrap{padding:0 24px;}}
@media(max-width:639px){.wrap{padding:0 16px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(7,11,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.95);
  box-shadow:0 14px 34px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.07);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(140deg,#7C6BFF,#4B39E6);
  color:#fff;font-size:14px;font-weight:800;letter-spacing:-.03em;
  box-shadow:0 8px 20px rgba(110,91,255,.42), inset 0 1px 0 rgba(255,255,255,.28);
}
.brand-text{font-size:16.5px;font-weight:700;color:var(--text-1);letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:14px;}
.nav-links a{position:relative;display:inline-block;padding:8px 13px;border-radius:10px;font-size:14.5px;color:var(--text-2);transition:color .2s, background .2s;}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.nav-links a.is-active{color:var(--text-1);background:var(--primary-soft);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(34,224,200,.6);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;
  border:1px solid var(--glass-bd);font-size:12.5px;color:var(--text-2);white-space:nowrap;
}
.badge-live i{font-size:7px;color:var(--accent);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--glass-bd);
  align-items:center;justify-content:center;color:var(--text-1);transition:.2s;
}
.nav-toggle:hover{background:rgba(255,255,255,.06);border-color:rgba(110,91,255,.45);}
@media(max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;}
}
@media(max-width:639px){
  .header-inner{height:56px;gap:12px;}
  .badge-live{display:none;}
  .brand-text{font-size:15.5px;}
}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:600;font-size:15px;padding:12px 22px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease, box-shadow .25s ease, background .2s ease, color .2s ease, border-color .2s ease, filter .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 10px 28px rgba(110,91,255,.35);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 14px 36px rgba(110,91,255,.45);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(110,91,255,.3);}
.btn-ghost{background:transparent;border-color:var(--glass-bd);color:var(--text-1);}
.btn-ghost:hover{background:rgba(110,91,255,.1);border-color:rgba(110,91,255,.45);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn-glow{
  box-shadow:0 10px 28px rgba(110,91,255,.38), 0 0 0 1px rgba(110,91,255,.5);
  animation:btnBreath 3.6s ease-in-out infinite;
}
@keyframes btnBreath{
  0%,100%{box-shadow:0 10px 28px rgba(110,91,255,.32), 0 0 0 1px rgba(110,91,255,.45);}
  50%{box-shadow:0 14px 40px rgba(110,91,255,.55), 0 0 0 1px rgba(140,123,255,.7);}
}
@media(prefers-reduced-motion:reduce){.btn-glow{animation:none;}}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;z-index:95;height:100vh;height:100dvh;
  width:min(330px,88vw);padding:20px 20px 28px;
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
  background:rgba(12,20,36,.98);border-left:1px solid var(--glass-bd);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transform:translateX(104%);transition:transform .34s cubic-bezier(.4,0,.2,1);
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;z-index:90;background:rgba(3,6,12,.65);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--glass-bd);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);transition:.2s;
}
.drawer-close:hover{color:var(--text-1);border-color:rgba(110,91,255,.5);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-2);border:1px solid transparent;transition:.2s;}
.drawer-links a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.drawer-links a.is-active{background:var(--primary-soft);border-color:rgba(110,91,255,.35);color:var(--text-1);}
.drawer-cta{margin-top:auto;}

/* ---------- 页面骨架 ---------- */
main{display:block;}
.page-shell{padding:28px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.breadcrumb a{color:var(--text-2);transition:color .2s;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-3);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-hero{max-width:820px;padding:26px 0 6px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--primary-soft);border:1px solid rgba(110,91,255,.35);
  font-size:13px;color:#CFC8FF;letter-spacing:.01em;
}
.article-title{margin:18px 0;font-size:clamp(28px,4.2vw,46px);line-height:1.18;letter-spacing:-.02em;color:var(--text-1);}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--text-3);}
.article-meta .meta-sep{width:1px;height:12px;background:var(--line);}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:24px 0 72px;}
@media(min-width:1200px){.article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px;}}
.article-main{max-width:820px;min-width:0;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--text-2);word-wrap:break-word;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;margin:48px 0 20px;padding-left:16px;
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:var(--primary);box-shadow:0 0 16px rgba(110,91,255,.6);
}
.article-body h3{margin:32px 0 14px;font-size:19px;color:var(--text-1);line-height:1.4;}
.article-body h4{margin:24px 0 12px;font-size:17px;color:var(--text-1);}
.article-body strong{color:var(--text-1);font-weight:700;}
.article-body a{color:var(--primary-2);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .2s;}
.article-body a:hover{color:var(--accent);}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.45em 0;}
.article-body li::marker{color:var(--primary-2);}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;border-radius:0 14px 14px 0;
  border-left:3px solid var(--primary);background:var(--glass-bg);color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{width:100%;border-radius:14px;margin:26px 0 10px;}
.article-body figure{margin:26px 0;}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{color:var(--text-1);background:rgba(255,255,255,.04);}
.article-body code{
  padding:2px 7px;border-radius:6px;background:rgba(255,255,255,.07);
  font-family:var(--font-mono);font-size:.9em;color:#CFC8FF;
}
.article-body pre{
  padding:18px 20px;border-radius:14px;background:rgba(0,0,0,.35);
  border:1px solid var(--glass-bd);overflow-x:auto;margin:24px 0;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{margin:36px 0;border:0;border-top:1px solid var(--line);}

/* ---------- 空态 ---------- */
.empty-state{
  padding:72px 28px;border:1px dashed var(--glass-bd);border-radius:var(--radius-lg);
  background:var(--glass-bg);text-align:center;
}
.empty-state i{font-size:28px;color:var(--primary-2);}
.empty-state h2{margin:16px 0 10px;font-size:20px;}
.empty-state p{color:var(--text-3);font-size:14.5px;margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.article-aside{display:none;}
@media(min-width:1200px){
  .article-aside{display:block;}
  .aside-card{position:sticky;top:96px;}
}
.card{
  background:var(--glass-bg);border:1px solid var(--glass-bd);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.42);box-shadow:var(--shadow-card-hover);}
.aside-card{padding:24px;}
.aside-kicker{font-size:12.5px;letter-spacing:.14em;color:var(--accent);margin-bottom:10px;}
.aside-card h3{font-size:19px;margin-bottom:10px;}
.aside-card p{font-size:14px;line-height:1.8;color:var(--text-2);}
.aside-list{margin:18px 0 20px;}
.aside-list li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--text-2);padding:7px 0;}
.aside-list i{color:var(--accent);font-size:12px;margin-top:5px;}
.aside-note{margin-top:14px;font-size:13px;color:var(--text-3);text-align:center;}

/* ---------- 标签行 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
}
.tag-row a{
  padding:7px 14px;border-radius:999px;border:1px solid var(--glass-bd);
  font-size:13px;color:var(--text-2);transition:.2s;
}
.tag-row a:hover{border-color:rgba(110,91,255,.5);color:var(--text-1);background:var(--primary-soft);}

/* ---------- 板块与卡片 ---------- */
.section{margin-top:60px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px;}
.section-title{font-size:clamp(20px,2.2vw,26px);}
.section-sub{font-size:13.5px;color:var(--text-3);}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
@media(max-width:1023px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:639px){.grid-3{grid-template-columns:1fr;gap:16px;}}
.post-card{display:flex;flex-direction:column;overflow:hidden;}
.post-card .thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(255,255,255,.04);
}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top, rgba(7,11,20,.72), rgba(7,11,20,0) 60%);
  transition:opacity .3s ease;
}
.post-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card .tag{
  align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:12px;
  color:#CFC8FF;background:var(--primary-soft);border:1px solid rgba(110,91,255,.3);
}
.post-card h3{
  font-size:17px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .excerpt{
  font-size:13.5px;line-height:1.75;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);
}
.post-card .meta .more{color:var(--primary-2);transition:color .2s;}
.post-card:hover .meta .more{color:var(--accent);}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:36px;}
@media(max-width:639px){.post-nav{grid-template-columns:1fr;}}
.post-nav-item{
  padding:18px 20px;border-radius:var(--radius-md);border:1px solid var(--glass-bd);
  background:var(--glass-bg);transition:transform .22s ease, border-color .22s ease, background .22s ease;
}
.post-nav-item:hover{border-color:rgba(110,91,255,.45);background:rgba(110,91,255,.08);transform:translateY(-3px);}
.pn-label{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px;}
.pn-title{display:block;font-size:15px;font-weight:600;color:var(--text-1);}
.post-nav-item.next{text-align:right;}

/* ---------- CTA ---------- */
.cta-bar{
  margin-top:72px;padding:52px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg, rgba(110,91,255,.10), rgba(110,91,255,0));
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-bar h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-bar p{font-size:14.5px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media(max-width:767px){.cta-inner{flex-direction:column;align-items:flex-start;}}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(9,14,26,.72);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:56px 0 36px;}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px;}}
@media(max-width:639px){.footer-grid{grid-template-columns:1fr;gap:24px;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{font-size:13.5px;line-height:1.8;color:var(--text-3);max-width:330px;}
.footer-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px;}
.footer-list li{padding:5px 0;font-size:13.5px;color:var(--text-2);}
.footer-list a{color:var(--text-2);transition:color .2s;}
.footer-list a:hover{color:var(--accent);}
.footer-list .plain{color:var(--text-3);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:18px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--glass-bd);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);transition:.2s;
}
.footer-social a:hover{color:var(--text-1);border-color:rgba(110,91,255,.5);background:var(--primary-soft);}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  border:1px solid var(--glass-bd);font-size:13px;color:var(--text-2);transition:.2s;
}
.to-top:hover{color:var(--text-1);border-color:rgba(34,224,200,.5);}

/* ---------- 入场 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
/* ============ 1. 设计变量 ============ */
:root{
  --bg-900:#070B14;
  --bg-800:#0C1424;
  --panel:#101A2C;
  --primary:#6E5BFF;
  --primary-soft:rgba(110,91,255,.16);
  --accent:#22E0C8;
  --accent-soft:rgba(34,224,200,.14);
  --warn:#FFB45C;
  --danger:#FF6B6B;
  --text-1:#EAF0FF;
  --text-2:#A7B4CC;
  --text-3:#6B7A96;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.08);
  --radius-xl:22px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.35);
  --wrap:1200px;
  --pad:32px;
  --space-block:96px;
}

/* ============ 2. 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    linear-gradient(115deg, rgba(110,91,255,.08) 0%, rgba(110,91,255,0) 44%),
    linear-gradient(115deg, rgba(34,224,200,.05) 6%, rgba(34,224,200,0) 58%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.04;
  background-image:
    linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.6) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-md)}
a{color:var(--accent);text-decoration:none;transition:color .22s ease}
a:hover{color:#ffffff}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(110,91,255,.42);color:#fff}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0;color:#fff}

/* ============ 3. 容器与栅格 ============ */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
  position:relative;
  z-index:1;
}
.section{padding-top:var(--space-block);padding-bottom:var(--space-block)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7}
.section-head h2{
  font-size:clamp(22px,2.6vw,34px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.section-sub{color:var(--text-2);font-size:16px;max-width:700px}

/* ============ 4. 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border-radius:12px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
  text-decoration:none;white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  box-shadow:0 10px 28px rgba(110,91,255,.35);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 14px 34px rgba(110,91,255,.45);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(110,91,255,.3)}
.btn-ghost{
  background:transparent;
  color:var(--text-1);
  border-color:var(--glass-bd);
}
.btn-ghost:hover{background:rgba(110,91,255,.08);border-color:rgba(110,91,255,.5);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* Foundation 默认外观覆盖 */
.button,button.button{
  border-radius:12px;
  background-color:var(--primary);
  color:#fff;
  font-weight:600;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease;
}
.button:hover{background-color:var(--primary);filter:brightness(1.08)}
.card,.callout{background:var(--glass-bg);border:1px solid var(--glass-bd);border-radius:var(--radius-lg);color:var(--text-1)}

/* ============ 5. 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.95);
  border-bottom-color:rgba(110,91,255,.35);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(150deg,var(--primary),#4b3ce0);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(110,91,255,.42),inset 0 1px 0 rgba(255,255,255,.28);
}
.brand-text{color:var(--text-1);font-size:16.5px;font-weight:700;letter-spacing:-.01em}
.brand:hover .brand-text{color:#fff}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:10px;
  color:var(--text-2);
  font-size:14.5px;
  font-weight:500;
  text-decoration:none;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--accent);
  box-shadow:0 0 12px rgba(34,224,200,.75);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-status{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 13px;border-radius:999px;
  border:1px solid var(--glass-bd);
  background:var(--glass-bg);
  color:var(--text-2);font-size:12.5px;white-space:nowrap;
}
.nav-status i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 9px var(--accent);display:inline-block}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:11px;
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  color:var(--text-1);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:17px;height:1.6px;border-radius:2px;background:var(--text-1);position:relative;transition:.25s ease;
}
.nav-toggle span::before{position:absolute;top:-6px;left:0}
.nav-toggle span::after{position:absolute;top:6px;left:0}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0}

/* ============ 6. 页面头图横幅 ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.34;
  filter:saturate(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,11,20,.55) 0%, rgba(7,11,20,.86) 62%, var(--bg-900) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 64px;max-width:820px}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--accent)}
.crumbs span.sep{opacity:.6}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 13px;border-radius:999px;
  background:var(--primary-soft);
  border:1px solid rgba(110,91,255,.42);
  color:#C9C1FF;font-size:12.5px;letter-spacing:.02em;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,50px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.lede{color:var(--text-2);font-size:17px;line-height:1.9;max-width:740px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 14px;border-radius:999px;
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  color:var(--text-2);font-size:13px;
}
.chip i{color:var(--accent);font-size:12px}
.chip.is-warn i{color:var(--warn)}

/* ============ 7. 指标数据行 ============ */
.metric-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  margin-bottom:56px;
}
.metric-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  border-radius:var(--radius-lg);
  padding:22px 20px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08), var(--shadow-soft);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(110,91,255,.45);box-shadow:var(--shadow-card)}
.metric-num{
  font-size:28px;font-weight:700;line-height:1.2;letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.metric-num small{font-size:14px;font-weight:600;color:var(--text-3);margin-left:4px;letter-spacing:0}
.metric-label{font-size:13.5px;color:var(--text-2);margin-top:8px}
.metric-card.is-accent .metric-num{color:var(--accent)}
.metric-card.is-warn .metric-num{color:var(--warn)}

/* ============ 8. 图文交替区块 ============ */
.feature-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:48px;
  align-items:center;
  padding:36px 0;
  border-top:1px solid var(--line);
}
.feature-row:first-of-type{border-top:none;padding-top:0}
.feature-row.reverse .feature-text{order:2}
.feature-row.reverse .feature-media{order:1}
.feature-text h2{
  font-size:clamp(21px,2.2vw,29px);
  line-height:1.3;font-weight:700;letter-spacing:-.02em;
  margin-bottom:18px;
}
.feature-text p{color:var(--text-2);margin-bottom:16px}
.feature-text p:last-of-type{margin-bottom:20px}
.point-list{margin:0 0 22px}
.point-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
  color:var(--text-2);
  font-size:15px;
}
.point-list li::before{
  content:"";
  position:absolute;left:2px;top:10px;
  width:8px;height:8px;border-radius:3px;
  background:var(--accent);
  box-shadow:0 0 10px rgba(34,224,200,.6);
}
.point-list li strong{color:var(--text-1);font-weight:600}
.inline-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent);font-size:14.5px;font-weight:600;
  border-bottom:1px solid rgba(34,224,200,.42);
  padding-bottom:3px;
}
.inline-link:hover{color:#fff;border-bottom-color:#fff}
.inline-link i{font-size:12px;transition:transform .22s ease}
.inline-link:hover i{transform:translateX(3px)}
.feature-media{position:relative}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow-card);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.feature-media:hover img{transform:translateY(-4px) scale(1.012);border-color:rgba(110,91,255,.45)}
.feature-media::after{
  content:"";position:absolute;inset:auto 18px -14px 18px;height:40px;
  background:radial-gradient(60% 100% at 50% 0%, rgba(110,91,255,.35), rgba(110,91,255,0) 70%);
  filter:blur(12px);pointer-events:none;
}
.media-tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 12px;border-radius:999px;
  background:rgba(7,11,20,.72);
  border:1px solid var(--glass-bd);
  color:var(--text-1);font-size:12.5px;
  backdrop-filter:blur(8px);
}
.media-tag i{color:var(--accent);font-size:11px}

/* ============ 9. FAQ 手风琴 ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  border-radius:var(--radius-md);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .25s ease,background-color .25s ease;
  overflow:hidden;
}
.faq-item:hover{border-color:rgba(255,255,255,.2)}
.faq-item[open]{border-color:rgba(110,91,255,.45);background:rgba(110,91,255,.06)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;
  font-size:16px;font-weight:600;color:var(--text-1);
  min-height:62px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex-shrink:0;
  width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid var(--glass-bd);
  color:var(--text-2);font-size:16px;font-weight:400;line-height:1;
  transition:transform .28s ease,color .28s ease,background-color .28s ease;
}
.faq-item[open] summary::after{
  transform:rotate(45deg);
  color:var(--accent);
  background:rgba(34,224,200,.14);
}
.faq-body{
  padding:0 22px 22px 22px;
  color:var(--text-2);
  font-size:15px;
  border-left:3px solid transparent;
  transition:border-color .25s ease;
}
.faq-item[open] .faq-body{border-left-color:var(--primary);margin-left:0}
.faq-body p{margin:0}

/* ============ 10. CTA 收尾条 ============ */
.cta-band{padding-top:0;padding-bottom:var(--space-block)}
.cta-card{
  position:relative;
  overflow:hidden;
  background:rgba(16,26,44,.82);
  border:1px solid rgba(110,91,255,.34);
  border-radius:var(--radius-xl);
  padding:48px;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.1);
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-card::before{
  content:"";
  position:absolute;right:-120px;top:-120px;
  width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle, rgba(110,91,255,.34), rgba(110,91,255,0) 68%);
  pointer-events:none;
}
.cta-card::after{
  content:"";
  position:absolute;left:-80px;bottom:-140px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(34,224,200,.2), rgba(34,224,200,0) 70%);
  pointer-events:none;
}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{
  font-size:clamp(22px,2.5vw,32px);
  line-height:1.28;font-weight:700;letter-spacing:-.02em;
  margin-bottom:14px;
}
.cta-card p{color:var(--text-2);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-actions .btn{width:100%}
.cta-note{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;justify-content:center}
.cta-note i{color:var(--accent)}

/* ============ 11. 页脚 ============ */
.site-footer{
  position:relative;z-index:1;
  border-top:1px solid var(--line);
  background:rgba(7,11,20,.9);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-col + .footer-col{border-left:1px solid var(--line);padding-left:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{color:var(--text-2);font-size:14px;line-height:1.9;max-width:340px}
.footer-title{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-bottom:18px}
.footer-list li{margin-bottom:11px}
.footer-list a{color:var(--text-2);font-size:14.5px}
.footer-list a:hover{color:var(--accent)}
.footer-list .plain{color:var(--text-2);font-size:14.5px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:24px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}
.footer-social{display:flex;align-items:center;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  color:var(--text-2);font-size:14px;
  transition:transform .22s ease,color .22s ease,border-color .22s ease,background-color .22s ease;
}
.footer-social a:hover{color:var(--accent);border-color:rgba(34,224,200,.5);transform:translateY(-2px);background:rgba(34,224,200,.08)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:36px;padding:0 14px;border-radius:10px;
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  color:var(--text-2);font-size:13px;cursor:pointer;
  transition:color .22s ease,border-color .22s ease,transform .22s ease;
}
.to-top:hover{color:#fff;border-color:rgba(110,91,255,.5);transform:translateY(-2px)}

/* ============ 12. 滚动淡入 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============ 13. 响应式 ============ */
@media (min-width:1440px){
  :root{--wrap:1280px}
}
@media (max-width:1023px){
  :root{--pad:24px;--space-block:72px}
  .nav-wrap{height:60px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    margin-left:0;padding:14px 24px 20px;
    background:rgba(9,14,26,.98);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    box-shadow:0 22px 44px rgba(0,0,0,.55);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:13px 12px;font-size:15px;border-radius:10px}
  .nav-links a.is-active::after{left:12px;right:auto;width:28px;bottom:8px}
  .nav-status{display:none}
  .nav-actions .btn{height:38px;padding:0 16px;font-size:13.5px}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-row{gap:32px;padding:28px 0}
  .feature-row,
  .feature-row.reverse{grid-template-columns:1fr}
  .feature-row .feature-text{order:2}
  .feature-row .feature-media{order:1}
  .feature-row.reverse .feature-text{order:2}
  .feature-row.reverse .feature-media{order:1}
  .cta-card{grid-template-columns:1fr;padding:38px;gap:28px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .footer-col + .footer-col{border-left:none;padding-left:0}
}
@media (max-width:639px){
  :root{--pad:16px;--space-block:64px}
  body{font-size:15.5px;line-height:1.8}
  .brand-text{font-size:15.5px}
  .brand-mark{width:33px;height:33px;font-size:14px;border-radius:10px}
  .page-hero-inner{padding:40px 0 46px}
  .lede{font-size:15.5px}
  .metric-row{grid-template-columns:1fr;gap:14px}
  .metric-card{padding:18px 18px}
  .feature-media img{aspect-ratio:16/10}
  .faq-item summary{padding:17px 16px;font-size:15px}
  .faq-body{padding:0 16px 18px 16px;font-size:14.5px}
  .cta-card{padding:28px 22px;border-radius:var(--radius-lg)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:16px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --bg-900:#070B14;
  --bg-800:#0C1424;
  --panel:#101A2C;
  --primary:#6E5BFF;
  --primary-soft:rgba(110,91,255,.16);
  --accent:#22E0C8;
  --warn:#FFB45C;
  --danger:#FF6B6B;
  --text-1:#EAF0FF;
  --text-2:#A7B4CC;
  --text-3:#6B7A96;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.08);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.35);
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg-900);
  color:var(--text-2);
  font-family:var(--font);
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background-image:
    linear-gradient(115deg, rgba(110,91,255,.08) 0%, rgba(110,91,255,0) 46%),
    linear-gradient(295deg, rgba(34,224,200,.05) 0%, rgba(34,224,200,0) 42%);
  background-repeat:no-repeat;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.04;
  background-image:
    linear-gradient(rgba(255,255,255,.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.7) 1px, transparent 1px);
  background-size:66px 66px;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
::selection{background:rgba(110,91,255,.45);color:#fff;}

/* ---------- 容器 ---------- */
.wrap{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:12px;
  font-size:14.5px;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
  border:0;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,filter .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 0 0 1px var(--primary),0 10px 28px rgba(110,91,255,.35);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 0 0 1px var(--primary),0 14px 36px rgba(110,91,255,.46);
}
.btn-primary:active{
  transform:translateY(1px);
  box-shadow:0 0 0 1px var(--primary),0 6px 16px rgba(110,91,255,.3);
}
.btn-ghost{
  background:transparent;
  color:var(--text-1);
  box-shadow:inset 0 0 0 1px var(--glass-bd);
}
.btn-ghost:hover{
  color:var(--text-1);
  transform:translateY(-2px);
  background:var(--primary-soft);
  box-shadow:inset 0 0 0 1px rgba(110,91,255,.55);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 16px;font-size:13.5px;border-radius:10px;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,11,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.94);
  border-bottom-color:rgba(110,91,255,.35);
  box-shadow:0 12px 32px rgba(0,0,0,.5);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,#7C6BFF,#4A37E0);
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(110,91,255,.55),0 8px 20px rgba(110,91,255,.35);
}
.brand-text{
  font-size:16.5px;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
}
.nav-links a:hover{
  color:var(--text-1);
  background:rgba(255,255,255,.05);
}
.nav-links a.is-active{
  color:var(--text-1);
  background:var(--primary-soft);
}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-2);
  white-space:nowrap;
}
.status-pill .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(34,224,200,.15);
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:11px;
  border:1px solid var(--glass-bd);
  color:var(--text-1);
  align-items:center;
  justify-content:center;
  background:transparent;
}
.nav-toggle:hover{background:var(--primary-soft);border-color:rgba(110,91,255,.5);}

/* ---------- 页头横幅 ---------- */
.banner{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.banner-media{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.banner-mask{
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle at 16% 24%, rgba(110,91,255,.38), rgba(110,91,255,0) 55%),
    linear-gradient(180deg, rgba(7,11,20,.78) 0%, rgba(7,11,20,.93) 100%);
}
.banner-inner{
  position:relative;
  z-index:2;
  padding:52px 0 46px;
  max-width:860px;
  min-height:212px;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:16px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.55;}
.crumb .current{color:var(--text-2);}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  color:var(--accent);
  background:rgba(34,224,200,.09);
  box-shadow:inset 0 0 0 1px rgba(34,224,200,.3);
}
.tag-violet{
  color:#C6BEFF;
  background:var(--primary-soft);
  box-shadow:inset 0 0 0 1px rgba(110,91,255,.4);
}
.tag-warn{
  color:var(--warn);
  background:rgba(255,180,92,.1);
  box-shadow:inset 0 0 0 1px rgba(255,180,92,.32);
}
h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text-1);
  margin-top:16px;
}
.banner-lead{
  margin-top:18px;
  font-size:15.5px;
  line-height:1.95;
  color:var(--text-2);
  max-width:760px;
}
.banner-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}

/* ---------- 板块 ---------- */
.section{padding:86px 0;}
.section-tight{padding:60px 0;}
.section-head{
  max-width:760px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,34px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text-1);
  margin-top:14px;
}
.section-head p{
  margin-top:14px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--accent);
}
.eyebrow::before{
  content:"";
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  opacity:.75;
}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  padding-left:46px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:13px;
  top:12px;
  bottom:34px;
  width:2px;
  border-radius:2px;
  background-image:linear-gradient(180deg,var(--primary) 0%,rgba(34,224,200,.55) 58%,rgba(110,91,255,0) 100%);
}
.step{
  position:relative;
  margin-bottom:20px;
}
.step:last-child{margin-bottom:0;}
.step-node{
  position:absolute;
  left:-46px;
  top:22px;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--bg-800);
  box-shadow:0 0 0 2px rgba(110,91,255,.75),0 0 0 7px rgba(110,91,255,.12);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12.5px;
  font-weight:700;
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
}
.step-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  border-radius:var(--radius-lg);
  padding:24px 26px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:rgba(110,91,255,.42);
  box-shadow:0 22px 46px rgba(0,0,0,.5);
}
.step-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
}
.step-head h3{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-1);
}
.time-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border-radius:999px;
  font-size:12.5px;
  color:var(--warn);
  background:rgba(255,180,92,.1);
  box-shadow:inset 0 0 0 1px rgba(255,180,92,.32);
  font-variant-numeric:tabular-nums;
}
.step-card > p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
}
.check-list{
  margin-top:15px;
  display:grid;
  gap:9px;
}
.check-list li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:9px;
  height:9px;
  border-radius:3px;
  background:var(--accent);
  box-shadow:0 0 0 3px rgba(34,224,200,.14);
}

/* ---------- 卡片矩阵 ---------- */
.matrix{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.m-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:26px;
  border-radius:var(--radius-lg);
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.m-card:hover{
  transform:translateY(-4px);
  border-color:rgba(110,91,255,.42);
  box-shadow:var(--shadow-card);
}
.m-icon{
  width:44px;
  height:44px;
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  color:var(--accent);
  background:var(--primary-soft);
  box-shadow:inset 0 0 0 1px rgba(110,91,255,.32);
}
.m-card h3{
  font-size:17px;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:-.01em;
}
.m-card p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:46px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow-card);
}
.split-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.split-media::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(7,11,20,0) 45%,rgba(7,11,20,.55) 100%);
  pointer-events:none;
}
.num-list{
  display:grid;
  gap:20px;
  margin-top:26px;
}
.num-item{
  display:grid;
  grid-template-columns:40px 1fr;
  gap:16px;
  align-items:start;
}
.num-badge{
  width:40px;
  height:40px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(140deg,#7C6BFF,#4A37E0);
  box-shadow:0 8px 20px rgba(110,91,255,.3);
  font-variant-numeric:tabular-nums;
}
.num-item h3{
  font-size:16.5px;
  font-weight:700;
  color:var(--text-1);
}
.num-item p{
  margin-top:6px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}
.inline-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:26px;
  font-size:14.5px;
  font-weight:600;
  color:var(--accent);
}
.inline-link:hover{color:#6FF3E2;}
.inline-link i{transition:transform .2s ease;}
.inline-link:hover i{transform:translateX(3px);}

/* ---------- 指标带 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  padding:32px;
  border-radius:22px;
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.stat-num{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  color:var(--text-1);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.stat-num em{
  font-style:normal;
  font-size:16px;
  color:var(--accent);
  margin-left:4px;
}
.stat-label{
  margin-top:6px;
  font-size:13.5px;
  color:var(--text-3);
}
.stat + .stat{border-left:1px solid var(--line);padding-left:20px;}

/* ---------- FAQ ---------- */
.faq{
  display:grid;
  gap:14px;
  max-width:920px;
}
.faq-item{
  border-radius:16px;
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  overflow:hidden;
  transition:border-color .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(110,91,255,.32);}
.faq-item.is-open{
  background:rgba(110,91,255,.08);
  border-color:rgba(110,91,255,.48);
  box-shadow:inset 3px 0 0 0 var(--primary);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--text-1);
}
.faq-q i{
  flex:0 0 auto;
  font-size:14px;
  color:var(--accent);
  transition:transform .28s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-bar{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  padding:44px 42px;
  border-radius:22px;
  background-image:
    radial-gradient(circle at 88% 12%, rgba(34,224,200,.16), rgba(34,224,200,0) 52%),
    linear-gradient(122deg, rgba(110,91,255,.24) 0%, rgba(12,20,36,.9) 62%);
  border:1px solid rgba(110,91,255,.38);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.cta-bar h2{
  font-size:clamp(21px,2.4vw,30px);
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text-1);
  line-height:1.32;
}
.cta-bar p{
  margin-top:12px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--text-2);
  max-width:560px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;
  padding:62px 0 26px;
  border-top:1px solid var(--line);
  background:rgba(7,11,20,.72);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:34px;
  padding-bottom:34px;
  border-bottom:1px solid var(--line);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-about{
  font-size:13.5px;
  line-height:1.9;
  color:var(--text-3);
  max-width:330px;
}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:var(--text-1);
  margin-bottom:16px;
}
.footer-list li{
  margin-bottom:10px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-3);
}
.footer-list a{color:var(--text-3);}
.footer-list a:hover{color:var(--accent);}
.footer-list .plain{color:var(--text-3);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:24px;
  font-size:13px;
  color:var(--text-3);
}
.footer-social{
  display:flex;
  gap:10px;
}
.footer-social a{
  width:34px;
  height:34px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-2);
  border:1px solid var(--line);
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.footer-social a:hover{
  color:var(--accent);
  border-color:rgba(34,224,200,.45);
  background:rgba(34,224,200,.08);
  transform:translateY(-2px);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 16px;
  border-radius:10px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);
  font-size:13px;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.to-top:hover{
  color:var(--text-1);
  border-color:rgba(110,91,255,.5);
  background:var(--primary-soft);
}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease,transform .6s ease;
}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .wrap{padding:0 24px;}
  .matrix{gap:18px;}
}
@media (max-width:1023px){
  .wrap{padding:0 24px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px 20px 22px;
    background:rgba(9,13,24,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 22px 40px rgba(0,0,0,.5);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:13px 14px;font-size:15.5px;}
  .nav-links a.is-active::after{display:none;}
  .status-pill{display:none;}
  .section{padding:66px 0;}
  .section-tight{padding:50px 0;}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:32px;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .stat + .stat{border-left:0;padding-left:0;}
  .stat:nth-child(even){border-left:1px solid var(--line);padding-left:20px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .banner-inner{padding:40px 0 36px;min-height:0;}
  .cta-bar{padding:32px 24px;}
  .timeline{padding-left:38px;}
  .timeline::before{left:11px;}
  .step-node{left:-38px;width:24px;height:24px;font-size:12px;top:20px;}
  .step-card{padding:20px 20px;}
  .m-card{padding:22px;}
}
@media (max-width:639px){
  .wrap{padding:0 16px;}
  .nav-inner{height:56px;gap:12px;}
  .brand-mark{width:30px;height:30px;font-size:13px;border-radius:9px;}
  .brand-text{font-size:15px;}
  .nav-right .btn{padding:10px 15px;font-size:13.5px;}
  .section{padding:56px 0;}
  .matrix{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;gap:22px;}
  .stat:nth-child(even){border-left:0;padding-left:0;}
  .stat + .stat{border-top:1px solid var(--line);padding-top:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .nav-right .btn{width:auto;}
  .cta-actions{width:100%;flex-direction:column;}
  .num-item{grid-template-columns:34px 1fr;gap:12px;}
  .num-badge{width:34px;height:34px;border-radius:10px;font-size:14px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category3 */
:root{
  --bg-900:#070B14;
  --bg-800:#0C1424;
  --panel:#101A2C;
  --primary:#6E5BFF;
  --primary-soft:rgba(110,91,255,.16);
  --accent:#22E0C8;
  --warn:#FFB45C;
  --danger:#FF6B6B;
  --text-1:#EAF0FF;
  --text-2:#A7B4CC;
  --text-3:#6B7A96;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.08);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*,*::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:16px;
  line-height:1.85;
  color:var(--text-2);
  background-color:var(--bg-900);
  background-image:
    radial-gradient(1200px 620px at 82% -12%, rgba(110,91,255,.20), transparent 62%),
    linear-gradient(115deg, rgba(110,91,255,.08), transparent 42%),
    linear-gradient(115deg, transparent 58%, rgba(34,224,200,.05));
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:72px 72px;
  opacity:.5;
  mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
}
img{max-width:100%;display:block;height:auto}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.02em;line-height:1.25}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--accent);text-decoration:none;transition:color .2s ease}
a:hover{color:#fff}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:72px 0}
.section-tight{padding:44px 0}

.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 12px 0}
.skip-link:focus{left:0;color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.95);
  border-bottom-color:rgba(110,91,255,.38);
  box-shadow:0 12px 32px rgba(0,0,0,.5);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),#4A37D6);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(110,91,255,.42);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:10px;
  color:var(--text-2);font-size:14.5px;white-space:nowrap;
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-links a.is-active{color:var(--text-1);background:var(--primary-soft)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.pill-status{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  border:1px solid var(--glass-bd);background:var(--glass-bg);
  white-space:nowrap;
}
.pill-status .dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(34,224,200,.16);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(34,224,200,.16)}
  50%{box-shadow:0 0 0 8px rgba(34,224,200,.05)}
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  align-items:center;justify-content:center;
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  color:var(--text-1);font-size:16px;cursor:pointer;
}
.nav-toggle:hover{background:rgba(110,91,255,.16)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:var(--primary);color:#fff;
  box-shadow:0 0 0 1px var(--primary),0 10px 28px rgba(110,91,255,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);filter:brightness(1.08);color:#fff;
  box-shadow:0 0 0 1px var(--primary),0 14px 34px rgba(110,91,255,.48);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px var(--primary),0 6px 16px rgba(110,91,255,.3)}
.btn-ghost{background:transparent;border-color:var(--glass-bd);color:var(--text-1)}
.btn-ghost:hover{background:rgba(110,91,255,.12);border-color:rgba(110,91,255,.5);color:#fff}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:90;
  background:rgba(12,20,36,.98);
  border-left:1px solid var(--glass-bd);
  backdrop-filter:blur(16px);
  transform:translateX(105%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;display:flex;flex-direction:column;gap:18px;
}
body.drawer-open .drawer{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(4,7,14,.7);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--glass-bd);
  background:var(--glass-bg);color:var(--text-1);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;color:var(--text-2);font-size:15px;
  border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--text-1)}
.drawer-nav a.is-active{background:var(--primary-soft);color:var(--text-1);border-color:rgba(110,91,255,.36)}
.drawer-cta{margin-top:auto}

/* ---------- 页头横幅 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;transform:scale(1.02);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(7,11,20,.95) 0%,rgba(7,11,20,.78) 52%,rgba(7,11,20,.92) 100%);
}
.page-hero-inner{
  position:relative;z-index:2;
  min-height:224px;display:flex;flex-direction:column;justify-content:center;
  padding-top:52px;padding-bottom:46px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--accent)}
.crumb span{color:var(--text-2)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:5px 12px;border-radius:999px;margin-bottom:16px;
  font-size:12.5px;letter-spacing:.04em;color:#B9AEFF;
  background:var(--primary-soft);border:1px solid rgba(110,91,255,.32);
}
.page-hero h1{font-size:clamp(28px,4.2vw,46px);margin-bottom:14px}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.hero-lead{max-width:760px;font-size:17px;line-height:1.8;color:var(--text-2);margin:0}

/* ---------- 指标 ---------- */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  padding:20px 22px;border-radius:16px;
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:border-color .25s ease,transform .25s ease;
}
.metric:hover{border-color:rgba(110,91,255,.4);transform:translateY(-3px)}
.metric b{
  display:block;font-size:29px;line-height:1.2;color:var(--text-1);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.metric b i{font-style:normal;font-size:15px;color:var(--text-3);margin-left:4px;font-weight:500}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-3)}

/* ---------- 板块标题 ---------- */
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.section-head p{margin:0;font-size:15.5px;color:var(--text-3);line-height:1.85}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);
}

/* ---------- 主区布局 ---------- */
.main-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;align-items:start}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  padding:6px 13px;border-radius:999px;font-size:13px;
  color:var(--text-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.tag.is-hot{color:var(--warn);border-color:rgba(255,180,92,.35);background:rgba(255,180,92,.08)}

/* ---------- 双列清单 ---------- */
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px;border-radius:16px;
  background:rgba(255,255,255,.02);
  border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease,background .25s ease,box-shadow .25s ease;
}
.check-item:nth-child(4n+1),
.check-item:nth-child(4n+2){background:rgba(255,255,255,.055)}
.check-item:hover{
  border-color:rgba(110,91,255,.45);
  transform:translateY(-3px);
  box-shadow:0 14px 30px rgba(0,0,0,.35);
}
.ci-icon{
  flex:0 0 38px;width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--primary-soft);color:#B9AEFF;font-size:15px;
}
.check-item:hover .ci-icon{background:rgba(34,224,200,.14);color:var(--accent)}
.ci-body h3{font-size:17px;margin-bottom:5px}
.ci-body p{margin:0;font-size:13.6px;line-height:1.72;color:var(--text-3)}
.ci-arrow{margin-left:auto;align-self:center;color:var(--text-3);font-size:12.5px;transition:transform .22s ease,color .22s ease}
.check-item:hover .ci-arrow{transform:translateX(4px);color:var(--accent)}

/* ---------- 侧栏卡 ---------- */
.rail-card{
  position:sticky;top:92px;
  border-radius:18px;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.1);
}
.rail-cover{height:126px;width:100%;object-fit:cover}
.rail-body{padding:20px}
.rail-body h3{font-size:18px;margin-bottom:8px}
.rail-body>p{margin:0 0 16px;font-size:13.6px;line-height:1.75;color:var(--text-3)}
.field{position:relative;margin-bottom:10px}
.field input{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  background:rgba(7,11,20,.65);
  border:1px solid var(--glass-bd);
  color:var(--text-1);font-size:15px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(110,91,255,.2);
}
.field input.is-error{border-color:rgba(255,180,92,.85);box-shadow:0 0 0 3px rgba(255,180,92,.14)}
.form-err{min-height:20px;font-size:13px;line-height:1.5;color:var(--warn);margin:0 0 8px}
.form-err.is-ok{color:var(--accent)}
.rail-note{font-size:12.5px;color:var(--text-3);margin:10px 0 0}
.rail-lines{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:9px}
.rail-lines li{display:flex;align-items:center;gap:10px;font-size:13.6px;color:var(--text-2)}
.rail-lines i{color:var(--accent);width:16px;text-align:center;font-size:13px}

/* ---------- 范围清单 ---------- */
.scope-list{display:grid;gap:14px}
.scope-item{
  display:flex;gap:14px;padding:18px 20px;
  border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:border-color .25s ease,background .25s ease;
}
.scope-item:hover{border-color:rgba(110,91,255,.35);background:rgba(110,91,255,.07)}
.scope-item i{margin-top:4px;color:var(--accent);font-size:15px}
.scope-item b{display:block;font-size:15px;color:var(--text-1);margin-bottom:4px}
.scope-item p{margin:0;font-size:14px;line-height:1.78;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  border-radius:14px;border:1px solid var(--line);
  background:var(--glass-bg);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{border-color:rgba(110,91,255,.5);box-shadow:inset 3px 0 0 var(--primary)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;
  padding:16px 18px;background:none;border:0;cursor:pointer;
  color:var(--text-1);font-size:15px;font-weight:600;line-height:1.5;text-align:left;
}
.faq-q i{margin-left:auto;color:var(--text-3);font-size:13px;transition:transform .25s ease,color .2s ease}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;padding:0 18px;transition:max-height .32s ease,padding .32s ease}
.faq-item.is-open .faq-a{max-height:360px;padding:0 18px 18px}
.faq-a p{margin:0;font-size:14.2px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{padding:8px 0 72px}
.cta-inner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:34px 36px;border-radius:22px;
  background:rgba(110,91,255,.10);
  border:1px solid rgba(110,91,255,.32);
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,200,.22),transparent 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-copy p{margin:0;font-size:14.6px;color:var(--text-2);line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(12,20,36,.6);
  padding:56px 0 24px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-col + .footer-col{border-left:1px solid var(--line);padding-left:26px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:14px}
.footer-brand .brand-text{font-size:15.5px}
.footer-about{margin:0;font-size:13.6px;line-height:1.85;color:var(--text-3);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px}
.footer-list{display:grid;gap:10px}
.footer-list a,.footer-list .plain{font-size:13.8px;color:var(--text-2)}
.footer-list .plain{color:var(--text-3)}
.footer-list a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-social{display:flex;gap:10px;margin-left:auto}
.footer-social a{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  color:var(--text-2);font-size:13px;
  transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
}
.footer-social a:hover{color:var(--accent);border-color:rgba(34,224,200,.42);background:rgba(34,224,200,.08);transform:translateY(-2px)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:10px;cursor:pointer;
  background:transparent;border:1px solid var(--glass-bd);
  color:var(--text-2);font-size:13px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.to-top:hover{color:var(--text-1);border-color:rgba(110,91,255,.5);background:rgba(110,91,255,.12)}

/* ---------- 滚动淡入 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .wrap{max-width:1280px}
}
@media (max-width:1099px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .pill-status{display:none}
}
@media (max-width:1023px){
  .wrap{padding-left:24px;padding-right:24px}
  .section{padding:56px 0}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .main-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .rail-card{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col + .footer-col{border-left:0;padding-left:0}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .nav-inner{height:60px;gap:14px}
  .checklist{grid-template-columns:1fr}
  .check-item{background:rgba(255,255,255,.045)}
  .page-hero-inner{min-height:200px;padding-top:40px;padding-bottom:36px}
  .hero-lead{font-size:15.6px}
  .cta-inner{padding:26px 22px}
  .footer-social{margin-left:0}
}
@media (max-width:639px){
  .wrap{padding-left:16px;padding-right:16px}
  body{font-size:15.5px}
  .section{padding:46px 0}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:12px}
  .metric{padding:16px 16px}
  .metric b{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .to-top{align-self:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}