/* roulang page: index */
:root{
  --bg-base:#070B14;
  --bg-deep:#0A1120;
  --surface-glass:rgba(20,32,54,.55);
  --surface-solid:#101A2C;
  --line-soft:rgba(255,255,255,.08);
  --brand-1:#2BE0C8;
  --brand-2:#6C5CFF;
  --accent-hot:#FFB020;
  --accent-warn:#FF5C7A;
  --text-1:rgba(233,242,255,.96);
  --text-2:rgba(178,196,222,.78);
  --text-3:rgba(140,158,186,.58);
  --radius-card:20px;
  --radius-soft:14px;
  --shadow-glow:0 0 0 1px rgba(43,224,200,.35), 0 12px 32px -10px rgba(43,224,200,.55);
  --shadow-card:0 20px 48px -18px rgba(0,0,0,.7);
  --ease:all .25s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  background-color:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(900px 620px at 10% -6%, rgba(43,224,200,.10), transparent 62%),
    radial-gradient(820px 640px at 102% 10%, rgba(108,92,255,.10), transparent 60%),
    linear-gradient(transparent 23px, rgba(255,255,255,.035) 24px),
    linear-gradient(90deg, transparent 23px, rgba(255,255,255,.035) 24px);
  background-size:auto, auto, 24px 24px, 24px 24px;
}

img{max-width:100%;display:block;}
a{color:var(--text-2);text-decoration:none;transition:var(--ease);}
a:hover{color:var(--brand-1);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;color:var(--text-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:99;
  background:var(--brand-1);color:#06131b;padding:10px 18px;border-radius:0 0 12px 0;font-weight:700;
}
.skip-link:focus{left:0;}

.shell{
  width:100%;
  max-width:1240px;
  margin-inline:auto;
  padding-inline:20px;
  position:relative;
  z-index:2;
}
@media(min-width:1024px){.shell{padding-inline:32px;}}
@media(min-width:1280px){.shell{max-width:1280px;}}

/* ---------- 顶栏 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  height:72px;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:var(--ease);
}
.site-header.scrolled{background:rgba(7,11,20,.92);height:64px;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%;}

.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text-1);}
.brand:hover{color:var(--text-1);}
.brand-badge{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:900;font-size:15px;letter-spacing:-.01em;
  color:#06131b;
  background:linear-gradient(135deg,#2BE0C8,#6C5CFF);
  box-shadow:0 10px 24px -12px rgba(43,224,200,.8);
  flex:none;
}
.brand-name{display:flex;align-items:baseline;gap:2px;line-height:1.1;white-space:nowrap;}
.brand-name b{font-size:18px;font-weight:900;color:var(--text-1);}
.brand-name i{font-style:normal;font-size:18px;font-weight:900;color:var(--brand-1);letter-spacing:-.01em;}
.brand-name em{
  font-style:normal;font-size:12px;font-weight:500;color:var(--text-3);
  margin-left:8px;letter-spacing:.02em;
}

.nav-desktop{display:none;align-items:center;gap:4px;}
@media(min-width:1024px){.nav-desktop{display:flex;}}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:8px;
  font-size:15px;
  color:var(--text-2);
  font-weight:500;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--brand-1);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:20%;right:20%;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
}

.header-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:grid;place-items:center;gap:5px;
  width:42px;height:42px;
  border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
  cursor:pointer;
  transition:var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;transition:var(--ease);}
.nav-toggle:hover{border-color:rgba(43,224,200,.45);}
@media(min-width:1024px){.nav-toggle{display:none;}}

.nav-drawer{
  display:none;
  position:absolute;
  top:100%;left:0;right:0;
  background:rgba(10,17,32,.97);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  padding:14px 20px 22px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;
  padding:13px 14px;
  border-radius:12px;
  font-size:16px;
  color:var(--text-2);
  border:1px solid transparent;
}
.nav-drawer a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.nav-drawer a.active{color:var(--brand-1);border-color:rgba(43,224,200,.28);background:rgba(43,224,200,.06);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,#2BE0C8,#6C5CFF);
  color:#06131b;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#06131b;}
.btn-ghost{
  background:transparent;
  border-color:var(--line-soft);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:rgba(43,224,200,.55);color:var(--brand-1);background:rgba(43,224,200,.06);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:132px 0 72px;
  overflow:hidden;
  min-height:78vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.hero-photo{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.55;
}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(7,11,20,.74) 0%, rgba(7,11,20,.88) 55%, var(--bg-base) 100%),
    linear-gradient(90deg, rgba(7,11,20,.92) 0%, rgba(7,11,20,.42) 100%);
}
.hero-scan{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg, rgba(255,255,255,.06) 0 1px, transparent 1px 10px);
  opacity:.5;
  mix-blend-mode:overlay;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
@media(min-width:1024px){
  .hero{padding:150px 0 84px;}
  .hero-grid{grid-template-columns:1.4fr .9fr;gap:56px;}
}

.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-1);
  background:rgba(43,224,200,.08);
  border:1px solid rgba(43,224,200,.28);
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(28px,4.6vw,54px);
  line-height:1.14;
  font-weight:900;
  margin-bottom:18px;
}
.hero h1 span{
  background:linear-gradient(120deg,#2BE0C8,#6C5CFF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:24px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  border-radius:8px;
  font-size:14px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
}
.hero-points li i{
  font-style:normal;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-1);
  box-shadow:0 0 10px rgba(43,224,200,.9);
  flex:none;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}

.hero-side{
  position:relative;
  padding:26px;
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(14px);
  box-shadow:0 24px 60px -30px rgba(0,0,0,.9);
}
.hero-side::before{
  content:"";
  position:absolute;inset:0;
  border-radius:var(--radius-card);
  padding:1px;
  background:linear-gradient(135deg,rgba(43,224,200,.5),transparent 45%,rgba(108,92,255,.45));
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  pointer-events:none;
}
.hero-side-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.hero-side-head h2{font-size:16px;font-weight:700;}
.badge-live{
  font-size:12px;font-weight:700;color:var(--accent-hot);
  padding:4px 10px;border-radius:8px;
  background:rgba(255,176,32,.12);
  border:1px solid rgba(255,176,32,.35);
}
.energy{margin-bottom:18px;}
.energy-top{display:flex;justify-content:space-between;font-size:13px;color:var(--text-3);margin-bottom:8px;}
.energy-top b{color:var(--text-1);font-weight:700;font-variant-numeric:tabular-nums;}
.energy-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;}
.energy-bar span{
  display:block;height:100%;width:72%;
  border-radius:999px;
  background:linear-gradient(90deg,#2BE0C8,#6C5CFF);
  box-shadow:0 0 14px rgba(43,224,200,.6);
}
.hero-nums{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.hero-num{
  padding:14px 16px;
  border-radius:var(--radius-soft);
  background:var(--surface-solid);
  border:1px solid var(--line-soft);
}
.hero-num strong{
  display:block;
  font-size:24px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  color:var(--brand-1);
}
.hero-num span{font-size:13px;color:var(--text-3);}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid var(--line-soft);
}
@media(min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr);gap:24px;}}
.hero-stat strong{
  display:block;
  font-size:clamp(22px,2.4vw,30px);
  font-weight:900;
  font-variant-numeric:tabular-nums;
  color:var(--text-1);
  letter-spacing:-.01em;
}
.hero-stat span{font-size:13px;color:var(--text-3);}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0;position:relative;z-index:2;}
@media(min-width:768px){.section{padding:80px 0;}}
@media(min-width:1024px){.section{padding:104px 0;}}
.section-alt{background:linear-gradient(180deg,rgba(10,17,32,.85),rgba(7,11,20,.2));}

.section-head{margin-bottom:36px;max-width:760px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-2);
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,34px);
  line-height:1.25;
  margin-bottom:12px;
}
.section-head p{color:var(--text-2);font-size:15px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}

.link-more{
  font-size:14px;font-weight:600;color:var(--brand-1);
  display:inline-flex;align-items:center;gap:6px;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.link-more:hover{border-bottom-color:rgba(43,224,200,.6);}

/* ---------- 优惠阶梯 ---------- */
.ladder{display:flex;flex-direction:column;gap:16px;}
.ladder-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:18px;
  padding:20px 26px;
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(12px);
  clip-path:polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition:var(--ease);
}
.ladder-item:hover{border-color:rgba(43,224,200,.28);background:rgba(24,38,62,.65);}
.ladder-item.lv1{margin-left:0;}
.ladder-item.lv2{margin-left:24px;}
.ladder-item.lv3{margin-left:48px;}
.ladder-item.lv4{margin-left:72px;}
.ladder-num{
  width:46px;height:46px;flex:none;
  display:grid;place-items:center;
  border-radius:10px;
  font-weight:800;font-size:18px;
  font-variant-numeric:tabular-nums;
  color:var(--brand-1);
  background:rgba(43,224,200,.08);
  border:1px solid rgba(43,224,200,.3);
}
.ladder-body h3{font-size:18px;margin-bottom:4px;}
.ladder-body p{font-size:14px;color:var(--text-2);}
.ladder-state{
  font-size:13px;font-weight:700;
  padding:6px 14px;
  border-radius:8px;
  white-space:nowrap;
}
.state-gold{color:var(--accent-hot);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.35);}
.state-warn{color:var(--accent-warn);background:rgba(255,92,122,.1);border:1px solid rgba(255,92,122,.32);}
.state-cool{color:var(--brand-1);background:rgba(43,224,200,.08);border:1px solid rgba(43,224,200,.3);}
@media(max-width:767px){
  .ladder-item{margin-left:0 !important;grid-template-columns:auto 1fr;gap:14px;padding:18px;}
  .ladder-state{grid-column:1 / -1;justify-self:start;}
}

/* ---------- 套餐对比 ---------- */
.matrix-wrap{
  position:relative;
  overflow-x:auto;
  padding-bottom:8px;
  scrollbar-width:thin;
  scrollbar-color:rgba(43,224,200,.35) transparent;
}
.matrix-wrap::-webkit-scrollbar{height:6px;}
.matrix-wrap::-webkit-scrollbar-thumb{background:rgba(43,224,200,.35);border-radius:999px;}
.matrix-wrap::-webkit-scrollbar-track{background:transparent;}
.matrix{min-width:820px;}
.matrix-row{
  display:grid;
  grid-template-columns:190px repeat(3,minmax(200px,1fr));
  border-bottom:1px solid var(--line-soft);
}
.matrix-row:last-child{border-bottom:none;}
.matrix-cell{
  padding:16px 18px;
  font-size:14px;
  color:var(--text-2);
  border-right:1px solid var(--line-soft);
  display:flex;
  align-items:center;
}
.matrix-cell:last-child{border-right:none;}
.matrix-row.head .matrix-cell{
  padding-top:22px;padding-bottom:22px;
  font-size:15px;
  color:var(--text-1);
}
.matrix-key{
  position:sticky;
  left:0;
  z-index:3;
  background:var(--bg-deep);
  color:var(--text-1);
  font-weight:600;
  border-right:1px solid var(--line-soft);
}
.matrix-head{
  position:sticky;
  left:0;
  z-index:4;
  background:var(--bg-deep);
  font-weight:800;
}
.plan-name{display:flex;flex-direction:column;gap:4px;}
.plan-name b{font-size:17px;font-weight:800;color:var(--text-1);}
.plan-name span{font-size:12px;color:var(--text-3);}
.plan-num{
  font-size:26px;font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  color:var(--brand-1);
}
.plan-num small{font-size:12px;font-weight:500;color:var(--text-3);margin-left:4px;}
.plan-reco{
  background:linear-gradient(180deg,rgba(43,224,200,.10),rgba(108,92,255,.06));
  box-shadow:inset 0 0 0 1px rgba(43,224,200,.3);
}
.matrix-row.head .plan-reco{border-radius:14px 14px 0 0;position:relative;}
.plan-badge{
  display:inline-block;
  align-self:flex-start;
  font-size:11px;font-weight:800;
  color:#06131b;
  background:linear-gradient(135deg,#2BE0C8,#6C5CFF);
  padding:2px 8px;
  clip-path:polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
  margin-bottom:4px;
}
.matrix-hint{font-size:12px;color:var(--text-3);margin-top:10px;}

/* ---------- 限时入口 ---------- */
.flash{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  align-items:center;
  padding:26px 28px;
  border-radius:var(--radius-card);
  background:linear-gradient(120deg,rgba(16,26,44,.95),rgba(20,32,54,.6));
  border:1px solid var(--line-soft);
  position:relative;
  overflow:hidden;
}
.flash::after{
  content:"";
  position:absolute;
  right:-40px;top:0;bottom:0;
  width:170px;
  background:linear-gradient(135deg,rgba(255,176,32,.22),rgba(255,176,32,0));
  clip-path:polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events:none;
}
@media(min-width:900px){.flash{grid-template-columns:auto 1fr auto;gap:32px;}}
.flash-clock{display:flex;align-items:baseline;gap:6px;}
.flash-clock b{
  font-size:clamp(30px,4vw,44px);
  font-weight:900;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  color:var(--accent-hot);
  text-shadow:0 0 22px rgba(255,176,32,.4);
}
.flash-clock span{font-size:13px;color:var(--text-3);}
.flash-text h3{font-size:19px;margin-bottom:6px;}
.flash-text p{font-size:14px;color:var(--text-2);}
.flash .btn{position:relative;z-index:2;}

/* ---------- 咨询表单 ---------- */
.consult-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:1024px){.consult-grid{grid-template-columns:.9fr 1.2fr;gap:44px;}}
.consult-aside h3{font-size:20px;margin-bottom:16px;}
.consult-list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px;}
.consult-list li{
  display:flex;gap:12px;
  font-size:14px;
  color:var(--text-2);
  padding:14px 16px;
  border-radius:var(--radius-soft);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
}
.consult-list li i{
  flex:none;
  width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;
  font-style:normal;font-size:12px;font-weight:800;
  color:#06131b;
  background:linear-gradient(135deg,#2BE0C8,#6C5CFF);
  margin-top:2px;
}
.consult-note{
  font-size:13px;color:var(--text-3);
  padding:14px 16px;
  border-left:2px solid var(--brand-2);
  background:rgba(108,92,255,.07);
  border-radius:0 12px 12px 0;
}
.form-panel{
  padding:28px;
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(14px);
}
.form-row{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:768px){.form-row.two{grid-template-columns:1fr 1fr;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text-1);}
.field input,.field select,.field textarea{
  width:100%;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
  border-radius:12px;
  padding:13px 15px;
  font-size:15px;
  color:var(--text-1);
  transition:var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(43,224,200,.16);
}
.field select option{background:#0A1120;color:var(--text-1);}
.field.error input,.field.error select,.field.error textarea{border-color:var(--accent-warn);}
.field .tip{display:none;font-size:12px;color:var(--accent-warn);margin-top:6px;}
.field.error .tip{display:block;}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.privacy{font-size:12px;color:var(--text-3);}
.form-ok{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:12px;
  font-size:14px;
  color:var(--brand-1);
  background:rgba(43,224,200,.08);
  border:1px solid rgba(43,224,200,.3);
}
.form-ok.show{display:block;}

/* ---------- 最新信息 ---------- */
.news-list{
  border-top:1px solid var(--line-soft);
}
.news-row{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  padding:20px 12px;
  border-bottom:1px solid var(--line-soft);
  border-radius:12px;
  transition:var(--ease);
}
@media(min-width:768px){
  .news-row{grid-template-columns:160px 1fr;gap:24px;align-items:center;min-height:132px;padding:16px 14px;}
}
.news-row:hover{background:rgba(43,224,200,.04);}
.news-thumb{
  display:block;
  overflow:hidden;
  border-radius:12px;
  border:1px solid var(--line-soft);
  aspect-ratio:16/9;
}
.news-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.news-row:hover .news-thumb img{transform:scale(1.03);}
.news-title{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:6px;}
.news-title a{color:var(--text-1);}
.news-title a:hover{color:var(--brand-1);}
.news-desc{
  font-size:14px;
  color:var(--text-2);
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.tag{
  display:inline-block;
  font-size:12px;font-weight:600;
  padding:3px 10px;
  border-radius:8px;
  color:var(--brand-1);
  background:rgba(43,224,200,.08);
  border:1px solid rgba(43,224,200,.26);
}
.news-empty{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:56px 20px;
  text-align:center;
  border:1px dashed var(--line-soft);
  border-radius:var(--radius-card);
  background:rgba(255,255,255,.02);
}
.news-empty i{
  font-style:normal;
  width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;
  font-size:20px;font-weight:800;
  color:var(--brand-1);
  background:rgba(43,224,200,.08);
  border:1px solid rgba(43,224,200,.28);
}
.news-empty p{font-size:15px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  border-radius:var(--radius-card);
  background:var(--surface-glass);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:var(--ease);
}
.faq-item[open]{border-color:rgba(43,224,200,.28);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 24px;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  flex:none;
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--brand-1);
  background:rgba(43,224,200,.08);
  border:1px solid rgba(43,224,200,.3);
}
.faq-item summary h3{font-size:17px;font-weight:600;flex:1;}
.faq-icon{
  flex:none;
  width:22px;height:22px;
  position:relative;
  transition:transform .25s cubic-bezier(.4,0,.2,1);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--brand-1);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{
  padding:0 24px 22px 76px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
}
@media(max-width:639px){
  .faq-item summary{padding:16px;gap:12px;}
  .faq-body{padding:0 16px 18px 16px;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:#05080F;
  margin-top:20px;
  z-index:2;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,224,200,.6),rgba(108,92,255,.6),transparent);
}
.footer-top{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  padding:56px 0 36px;
}
@media(min-width:1024px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:68px 0 44px;}}
.footer-brand{grid-column:1 / -1;}
@media(min-width:1024px){.footer-brand{grid-column:auto;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:320px;margin-bottom:18px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:10px;
  font-size:12px;font-weight:700;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
}
.footer-social a:hover{color:var(--brand-1);border-color:rgba(43,224,200,.4);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-1);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--brand-1);}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{font-size:13px;color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand-1);}

/* ---------- 通用小工具 ---------- */
.eyebrow-line{
  display:inline-block;
  padding:6px 14px;
  border-radius:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-1);
  background:rgba(43,224,200,.08);
  border:1px solid rgba(43,224,200,.26);
  margin-bottom:14px;
}
.grid-3{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}

/* roulang page: article */
:root{
  --bg-base:#070B14;
  --bg-deep:#0A1120;
  --surface-glass:rgba(20,32,54,.55);
  --surface-solid:#101A2C;
  --line-soft:rgba(255,255,255,.08);
  --brand-1:#2BE0C8;
  --brand-2:#6C5CFF;
  --accent-hot:#FFB020;
  --accent-warn:#FF5C7A;
  --text-1:rgba(233,242,255,.96);
  --text-2:rgba(178,196,222,.78);
  --text-3:rgba(140,158,186,.58);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --radius-card:20px;
  --radius-inner:14px;
  --shadow-glow:0 0 0 1px rgba(43,224,200,.35),0 12px 32px -10px rgba(43,224,200,.55);
  --shadow-lift:0 20px 48px -18px rgba(0,0,0,.7);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(900px 600px at 6% -6%, rgba(43,224,200,.10), transparent 62%),
    radial-gradient(820px 620px at 102% 6%, rgba(108,92,255,.10), transparent 64%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
  background-attachment:fixed,fixed,scroll,scroll;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text-2);text-decoration:none;transition:all .25s var(--ease);}
a:hover{color:var(--brand-1);}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(43,224,200,.28);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:rgba(255,255,255,.03);}
::-webkit-scrollbar-thumb{background:rgba(108,92,255,.35);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(43,224,200,.45);}

.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.shell{padding:0 32px;}}
@media(min-width:1280px){.shell{max-width:1280px;}}

/* ============ 顶栏 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:height .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{height:64px;background:rgba(7,11,20,.92);}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-badge{
  width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;
  font-size:15px;font-weight:900;letter-spacing:.02em;color:#04121a;
  background:linear-gradient(135deg,#2BE0C8,#6C5CFF);
  box-shadow:0 0 0 1px rgba(43,224,200,.35),0 10px 26px -12px rgba(43,224,200,.7);
}
.brand-name{display:flex;align-items:baseline;gap:2px;font-size:17px;font-weight:800;color:var(--text-1);}
.brand-name b{font-weight:900;}
.brand-name i{font-style:normal;font-weight:900;background:linear-gradient(135deg,#2BE0C8,#6C5CFF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.brand-name em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3);margin-left:8px;padding-left:9px;border-left:1px solid var(--line-soft);}
@media(max-width:639px){.brand-name em{display:none;}.brand-name{font-size:16px;}}
.nav-desktop{display:none;align-items:center;gap:4px;}
.nav-link{position:relative;padding:8px 14px;border-radius:8px;font-size:15px;color:var(--text-2);}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--brand-1);}
.nav-link.active::after{
  content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
}
.header-right{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;font-weight:600;cursor:pointer;
  transition:all .25s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{color:#04121a;background:linear-gradient(135deg,#2BE0C8,#6C5CFF);box-shadow:var(--shadow-glow);}
.btn-primary:hover{color:#04121a;filter:brightness(1.08);transform:translateY(-1px);}
.btn-ghost{color:var(--text-1);background:transparent;border-color:var(--line-soft);}
.btn-ghost:hover{color:var(--brand-1);border-color:rgba(43,224,200,.45);background:rgba(43,224,200,.06);}
.nav-toggle{
  display:grid;place-content:center;gap:5px;width:42px;height:42px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:all .25s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{
  position:fixed;top:64px;right:0;width:min(80vw,320px);height:calc(100vh - 64px);
  padding:22px;display:flex;flex-direction:column;gap:6px;
  background:rgba(10,17,32,.97);backdrop-filter:blur(16px);
  border-left:1px solid var(--line-soft);
  transform:translateX(105%);transition:transform .3s var(--ease);overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer a{padding:13px 14px;border-radius:12px;font-size:15px;color:var(--text-2);}
.nav-drawer a:hover,.nav-drawer a.active{color:var(--brand-1);background:rgba(43,224,200,.08);}
@media(min-width:1024px){
  .nav-desktop{display:flex;}
  .nav-toggle{display:none;}
  .nav-drawer{display:none;}
}

/* ============ 文章页头部 ============ */
.article-hero{
  position:relative;
  padding:44px 0 40px;
  border-bottom:1px solid var(--line-soft);
  background-image:
    linear-gradient(180deg,rgba(7,11,20,.74),rgba(7,11,20,.94)),
    repeating-linear-gradient(115deg,rgba(43,224,200,.06) 0 1px,transparent 1px 9px),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover,auto,cover;
  background-position:center,center,center;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:70px;
  background:linear-gradient(180deg,transparent,var(--bg-base));
  pointer-events:none;
}
.article-hero .shell{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-1);max-width:56vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.article-head{max-width:900px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--brand-1);background:rgba(43,224,200,.08);border:1px solid rgba(43,224,200,.24);
}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-1);box-shadow:0 0 10px rgba(43,224,200,.9);}
.article-head h1{
  margin:0;
  font-size:clamp(28px,4.6vw,54px);
  line-height:1.14;
  font-weight:800;
  letter-spacing:0;
  color:var(--text-1);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;font-size:14px;color:var(--text-3);
}
.article-meta .badge{
  padding:5px 13px;border-radius:8px;font-size:13px;font-weight:600;
  color:#04121a;background:linear-gradient(135deg,#2BE0C8,#6C5CFF);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .meta-item::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-2);
}

/* ============ 正文 ============ */
.article-main{padding:56px 0 72px;}
@media(min-width:1024px){.article-main{padding:80px 0 100px;}}
.article-layout{display:grid;gap:40px;grid-template-columns:1fr;}
.article-body{
  max-width:800px;margin:0 auto;width:100%;
  font-size:16px;line-height:1.9;color:var(--text-1);
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:1.2em 0;color:var(--text-2);}
.article-body h2{
  position:relative;
  margin:2.2em 0 .8em;
  padding-left:16px;
  font-size:clamp(22px,2.6vw,34px);
  line-height:1.25;
  font-weight:700;
  color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 14px rgba(43,224,200,.7);
}
.article-body h3{
  margin:1.8em 0 .6em;
  font-size:20px;line-height:1.4;font-weight:600;color:var(--text-1);
}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:1.4em;line-height:1.9;color:var(--text-2);}
.article-body li{margin:.4em 0;}
.article-body li::marker{color:var(--brand-1);}
.article-body strong{color:var(--text-1);font-weight:700;}
.article-body a{color:var(--brand-1);border-bottom:1px solid rgba(43,224,200,.35);}
.article-body a:hover{color:#7ff3e2;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--brand-2);border-radius:0 var(--radius-inner) var(--radius-inner) 0;
  background:var(--surface-glass);
  color:var(--text-2);
}
.article-body img{border-radius:var(--radius-inner);margin:1.6em auto;width:auto;max-width:100%;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body code{
  padding:2px 7px;border-radius:6px;font-size:14px;
  background:rgba(108,92,255,.16);color:#c8c1ff;
}
.article-body pre{
  margin:1.6em 0;padding:18px;border-radius:var(--radius-inner);overflow-x:auto;
  background:var(--surface-solid);border:1px solid var(--line-soft);font-size:14px;line-height:1.7;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;min-width:520px;}
.article-body th,.article-body td{border:1px solid var(--line-soft);padding:10px 14px;text-align:left;}
.article-body th{background:rgba(43,224,200,.06);color:var(--text-1);font-weight:600;}
.article-body td{color:var(--text-2);}
.article-body hr{border:0;height:1px;background:var(--line-soft);margin:2.4em 0;}

.empty-state{
  max-width:800px;margin:0 auto;padding:56px 28px;text-align:center;
  border-radius:var(--radius-card);border:1px solid var(--line-soft);
  background:var(--surface-glass);backdrop-filter:blur(10px);
}
.empty-state .ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;display:grid;place-items:center;
  font-size:24px;font-weight:800;color:var(--brand-1);
  background:rgba(43,224,200,.08);border:1px solid rgba(43,224,200,.28);
}
.empty-state h2{margin:0 0 10px;font-size:22px;font-weight:700;color:var(--text-1);}
.empty-state p{margin:0 0 22px;font-size:14px;color:var(--text-3);}

/* 文末操作条 */
.article-actions{
  max-width:800px;margin:56px auto 0;padding:24px 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  border-radius:var(--radius-card);border:1px solid var(--line-soft);
  background:var(--surface-glass);backdrop-filter:blur(12px);
}
.article-actions .hint{font-size:14px;color:var(--text-3);}

/* 相关推荐 */
.related{padding:0 0 80px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.related-head h2{margin:0;font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:700;color:var(--text-1);}
.related-head a{font-size:14px;color:var(--brand-1);}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);border:1px solid var(--line-soft);
  background:var(--surface-glass);backdrop-filter:blur(10px);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(43,224,200,.28);}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep);}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .body{padding:22px 24px 24px;}
.rel-card .tag{
  display:inline-block;margin-bottom:12px;padding:4px 11px;border-radius:8px;
  font-size:12px;font-weight:600;color:var(--brand-1);
  background:rgba(43,224,200,.1);border:1px solid rgba(43,224,200,.22);
}
.rel-card h3{margin:0 0 10px;font-size:19px;line-height:1.45;font-weight:600;color:var(--text-1);}
.rel-card p{margin:0 0 16px;font-size:14px;line-height:1.75;color:var(--text-2);}
.rel-card .more{font-size:14px;font-weight:600;color:var(--brand-1);}

/* 咨询 CTA */
.cta-band{padding:0 0 88px;}
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1fr;gap:28px;
  padding:36px 28px;border-radius:var(--radius-card);
  border:1px solid rgba(43,224,200,.24);
  background:linear-gradient(140deg,rgba(43,224,200,.10),rgba(108,92,255,.10) 55%,rgba(20,32,54,.6));
  backdrop-filter:blur(12px);
}
@media(min-width:1024px){
  .cta-panel{grid-template-columns:1.35fr .65fr;align-items:center;padding:44px 44px;}
}
.cta-panel h2{margin:0 0 12px;font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:700;color:var(--text-1);}
.cta-panel p{margin:0;font-size:15px;line-height:1.8;color:var(--text-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{margin-top:14px;font-size:12px;color:var(--text-3);}

/* ============ 页脚 ============ */
.site-footer{
  background:#05080F;
  border-top:1px solid transparent;
  background-image:linear-gradient(#05080F,#05080F),linear-gradient(90deg,#2BE0C8,#6C5CFF);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  padding:70px 0 26px;
  margin-top:20px;
}
.footer-top{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-top{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand p{margin:18px 0 20px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px;}
.footer-social{display:flex;flex-wrap:wrap;gap:10px;}
.footer-social a{
  padding:7px 15px;border-radius:999px;font-size:13px;
  color:var(--text-2);border:1px solid var(--line-soft);background:rgba(255,255,255,.03);
}
.footer-social a:hover{color:var(--brand-1);border-color:rgba(43,224,200,.4);background:rgba(43,224,200,.07);}
.footer-col h4{margin:0 0 18px;font-size:15px;font-weight:700;color:var(--text-1);}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-col li{font-size:14px;color:var(--text-3);}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand-1);}
.footer-bottom{
  margin-top:46px;padding-top:20px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}
@media(max-width:520px){
  body{padding-top:64px;}
  .article-hero{padding:32px 0 30px;}
  .article-actions{flex-direction:column;align-items:flex-start;}
  .related-head{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --bg-base:#070B14;
  --bg-deep:#0A1120;
  --surface-glass:rgba(20,32,54,.55);
  --surface-solid:#101A2C;
  --line-soft:rgba(255,255,255,.08);
  --brand-1:#2BE0C8;
  --brand-2:#6C5CFF;
  --accent-hot:#FFB020;
  --accent-warn:#FF5C7A;
  --text-1:rgba(233,242,255,.96);
  --text-2:rgba(178,196,222,.78);
  --text-3:rgba(140,158,186,.58);
  --radius-lg:20px;
  --radius-sm:14px;
  --shadow-glow:0 0 0 1px rgba(43,224,200,.35), 0 12px 32px -10px rgba(43,224,200,.55);
  --shadow-card:0 20px 48px -18px rgba(0,0,0,.7);
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(900px 620px at 6% -8%, rgba(43,224,200,.10), transparent 62%),
    radial-gradient(820px 620px at 104% 6%, rgba(108,92,255,.10), transparent 62%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:auto, auto, 24px 24px, 24px 24px;
  background-repeat:no-repeat, no-repeat, repeat, repeat;
  background-attachment:fixed, fixed, fixed, fixed;
  overflow-x:hidden;
}

h1,h2,h3,h4,p,ul,ol{margin:0;}
a{color:var(--text-2);text-decoration:none;transition:all .25s var(--ease);}
a:hover{color:var(--brand-1);}
img{display:block;max-width:100%;}
button,input,select,textarea{font:inherit;color:inherit;}

:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}

::selection{background:rgba(43,224,200,.28);color:#fff;}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:rgba(255,255,255,.03);}
::-webkit-scrollbar-thumb{background:rgba(43,224,200,.22);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(43,224,200,.4);}

/* ---------- 容器 ---------- */
.shell{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:0;line-height:1.2;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:all .25s var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{
  color:#04121A;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04121A;}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  color:var(--text-1);background:transparent;border:1px solid var(--line-soft);
}
.btn-ghost:hover{border-color:rgba(43,224,200,.5);color:var(--brand-1);background:rgba(43,224,200,.06);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;font-size:13px;font-weight:600;
  color:var(--brand-1);background:rgba(43,224,200,.10);
  border:1px solid rgba(43,224,200,.28);
}
.tag-violet{color:#C3BCFF;background:rgba(108,92,255,.14);border-color:rgba(108,92,255,.34);}
.tag-gold{color:var(--accent-hot);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.32);}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:background .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.scrolled{background:rgba(7,11,20,.92);box-shadow:0 12px 34px -22px rgba(0,0,0,.9);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s var(--ease);}
.site-header.scrolled .header-inner{height:64px;}

.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand-badge{
  width:36px;height:36px;flex:none;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:900;letter-spacing:-.01em;color:#04121A;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 8px 22px -10px rgba(43,224,200,.9);
}
.brand-name{display:flex;align-items:baseline;gap:1px;font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:0;}
.brand-name b{font-weight:800;}
.brand-name i{font-style:normal;font-weight:900;color:var(--brand-1);letter-spacing:-.01em;}
.brand-name em{font-style:normal;font-size:13px;font-weight:500;color:var(--text-3);margin-left:4px;}

.nav-desktop{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--brand-1);}
.nav-link.active::after{
  content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
}

.header-right{display:flex;align-items:center;gap:12px;}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-soft);background:rgba(255,255,255,.04);
  cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);
  margin:4px auto;transition:all .25s var(--ease);
}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-drawer{
  position:fixed;top:64px;right:0;width:min(84vw,320px);
  padding:16px 16px 22px;
  background:var(--bg-deep);
  border-left:1px solid var(--line-soft);
  border-bottom-left-radius:20px;
  box-shadow:-20px 30px 60px -30px rgba(0,0,0,.9);
  transform:translateX(110%);
  transition:transform .3s var(--ease);
  z-index:79;
}
.nav-drawer.open{transform:translateX(0);}
.nav-drawer a{
  display:block;padding:13px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);
}
.nav-drawer a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.nav-drawer a.active{color:var(--brand-1);background:rgba(43,224,200,.08);}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-1);}

/* ---------- 页面头 ---------- */
.page-hero{position:relative;overflow:hidden;padding:44px 0 60px;border-bottom:1px solid var(--line-soft);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg, rgba(43,224,200,.06) 0 1px, transparent 1px 9px),
    linear-gradient(180deg, rgba(7,11,20,.72) 0%, rgba(7,11,20,.93) 62%, var(--bg-base) 100%);
}
.page-hero .shell{position:relative;z-index:2;}

.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;margin-top:26px;}
.hero-kicker{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.page-title{
  font-size:clamp(28px,4.6vw,48px);line-height:1.16;font-weight:800;color:var(--text-1);letter-spacing:0;
  max-width:18em;
}
.page-title .hl{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.9;color:var(--text-2);max-width:34em;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-point{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line-soft);
}
.hero-point i{width:6px;height:6px;border-radius:50%;background:var(--brand-1);box-shadow:0 0 10px rgba(43,224,200,.9);display:inline-block;}

.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-soft);background:var(--surface-glass);
  box-shadow:var(--shadow-card);
}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-visual figcaption{
  padding:14px 18px;font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line-soft);background:rgba(10,17,32,.7);
}

/* ---------- 主布局 ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 24px;}
.side-toc{display:none;}
.toc-card{
  border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:20px;
}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:12px;}
.toc-link{
  display:block;position:relative;padding:9px 12px 9px 16px;border-radius:10px;
  font-size:14px;color:var(--text-2);
}
.toc-link::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
  transition:height .25s var(--ease);
}
.toc-link:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.toc-link.active{color:var(--brand-1);background:rgba(43,224,200,.07);font-weight:600;}
.toc-link.active::before{height:18px;}

/* ---------- 内容块 ---------- */
.doc-flow{display:grid;gap:22px;}
.doc-block{
  border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:26px 24px;
  scroll-margin-top:104px;
  transition:all .25s var(--ease);
}
.doc-block:hover{border-color:rgba(43,224,200,.28);box-shadow:var(--shadow-card);}
.doc-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.doc-icon{
  width:42px;height:42px;flex:none;border-radius:12px;display:grid;place-items:center;
  color:var(--brand-1);background:rgba(43,224,200,.10);border:1px solid rgba(43,224,200,.26);
}
.doc-icon svg{width:20px;height:20px;}
.doc-head h2{font-size:clamp(20px,2.4vw,24px);line-height:1.35;font-weight:700;color:var(--text-1);}
.doc-text{font-size:16px;line-height:1.9;color:var(--text-2);}
.doc-text + .doc-list{margin-top:16px;}
.doc-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.doc-list li{position:relative;padding-left:22px;font-size:15.5px;line-height:1.85;color:var(--text-2);}
.doc-list li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;transform:rotate(45deg);
  background:var(--brand-1);box-shadow:0 0 10px rgba(43,224,200,.85);
}
.doc-note{
  margin-top:18px;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(108,92,255,.10);border-left:3px solid var(--brand-2);
  font-size:14.5px;color:var(--text-2);
}

/* ---------- 区域定位行 ---------- */
.region-list{margin-top:18px;border-top:1px solid var(--line-soft);}
.region-row{
  display:grid;grid-template-columns:1fr;gap:4px;
  padding:14px 4px;border-bottom:1px solid var(--line-soft);
  transition:background .25s var(--ease);
}
.region-row:hover{background:rgba(43,224,200,.05);}
.region-name{font-size:15px;font-weight:700;color:var(--text-1);}
.region-desc{font-size:14.5px;color:var(--text-2);}

/* ---------- 自查清单 ---------- */
.check-section{padding:56px 0 8px;}
.section-head{max-width:640px;margin-bottom:30px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:var(--text-1);}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--text-2);}
.check-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.check-card{
  position:relative;border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  background:var(--surface-solid);padding:26px 24px;
  transition:all .25s var(--ease);
}
.check-card:hover{border-color:rgba(43,224,200,.28);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.check-num{
  font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;
  color:var(--brand-1);letter-spacing:-.01em;line-height:1;
}
.check-card h3{margin-top:14px;font-size:18px;font-weight:700;color:var(--text-1);}
.check-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2);}
.check-line{
  position:absolute;left:0;top:0;width:56px;height:3px;border-radius:999px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
}

/* ---------- CTA 条 ---------- */
.cta-bar{margin-top:64px;padding:0 0 72px;}
.cta-inner{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
  padding:36px 28px;border-radius:var(--radius-lg);
  border:1px solid var(--line-soft);
  background:linear-gradient(135deg, rgba(43,224,200,.10), rgba(108,92,255,.12)), var(--surface-solid);
}
.cta-inner::after{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle, rgba(255,176,32,.24), transparent 68%);
  pointer-events:none;
}
.cta-text h2{font-size:clamp(21px,2.4vw,27px);line-height:1.35;font-weight:700;color:var(--text-1);}
.cta-text p{margin-top:10px;font-size:15.5px;color:var(--text-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;background:#05080F;border-top:1px solid transparent;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand-1),var(--brand-2),transparent);
}
.footer-top{
  display:grid;grid-template-columns:1fr;gap:34px;
  padding:56px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:var(--text-2);max-width:34em;}
.footer-social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.footer-social a{
  padding:7px 14px;border-radius:999px;font-size:13px;
  border:1px solid var(--line-soft);color:var(--text-2);background:rgba(255,255,255,.03);
}
.footer-social a:hover{color:var(--brand-1);border-color:rgba(43,224,200,.4);}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);letter-spacing:.02em;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col li{font-size:14.5px;color:var(--text-2);}
.footer-col a{font-size:14.5px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand-1);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .shell{padding-left:24px;padding-right:24px;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .region-row{grid-template-columns:200px 1fr;gap:16px;align-items:baseline;}
  .cta-inner{padding:40px 34px;}
  .footer-top{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .shell{padding-left:32px;padding-right:32px;}
  .nav-desktop{display:flex;}
  .nav-toggle{display:none;}
  .nav-drawer{display:none;}
  .page-hero{padding:56px 0 72px;}
  .hero-grid{grid-template-columns:1.25fr .75fr;gap:48px;}
  .layout{grid-template-columns:250px 1fr;gap:52px;padding:72px 0 28px;}
  .side-toc{display:block;position:sticky;top:96px;align-self:start;}
  .check-grid{grid-template-columns:repeat(3,1fr);}
  .cta-inner{grid-template-columns:1.4fr auto;padding:46px 44px;}
  .footer-top{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
}
@media (min-width:1280px){
  .shell{max-width:1280px;}
}
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .nav-toggle{display:grid;}
}
@media (max-width:639px){
  .header-right .btn-primary{display:none;}
  .brand-name em{display:none;}
  .hero-points{gap:8px;}
  .hero-point{font-size:13px;padding:7px 12px;}
  .doc-block{padding:22px 18px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg-base:#070B14;
  --bg-deep:#0A1120;
  --surface-glass:rgba(20,32,54,.55);
  --surface-solid:#101A2C;
  --line-soft:rgba(255,255,255,.08);
  --brand-1:#2BE0C8;
  --brand-2:#6C5CFF;
  --accent-hot:#FFB020;
  --accent-warn:#FF5C7A;
  --text-1:rgba(233,242,255,.96);
  --text-2:rgba(178,196,222,.78);
  --text-3:rgba(140,158,186,.58);
  --radius-card:20px;
  --radius-inner:14px;
  --shadow-card:0 18px 44px -22px rgba(0,0,0,.75);
  --shadow-lift:0 20px 48px -18px rgba(0,0,0,.7);
  --font-stack:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(900px 520px at 6% -4%, rgba(43,224,200,.10), transparent 62%),
    radial-gradient(780px 520px at 98% 14%, rgba(108,92,255,.10), transparent 60%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
  background-position:0 0,0 0,0 0,0 0;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:0;}
h1{font-size:clamp(28px,4.6vw,54px);line-height:1.14;font-weight:800;}
h2{font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;color:var(--text-2);}
p:last-child{margin-bottom:0;}
a{color:var(--text-2);text-decoration:none;transition:all .25s cubic-bezier(.4,0,.2,1);}
a:hover{color:var(--brand-1);}
img{max-width:100%;display:block;border-radius:var(--radius-inner);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(43,224,200,.3);color:#fff;}

.shell{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1024px){
  .shell{padding-left:32px;padding-right:32px;}
}
@media (min-width:1280px){
  .shell{max-width:1280px;}
}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:all .25s cubic-bezier(.4,0,.2,1);
}
.site-header.is-scrolled{background:rgba(7,11,20,.92);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
  transition:height .25s cubic-bezier(.4,0,.2,1);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);}
.brand:hover{color:var(--text-1);}
.brand-badge{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  font-size:14px;font-weight:800;letter-spacing:-.01em;
  color:#04170F;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 1px rgba(43,224,200,.35),0 10px 24px -12px rgba(43,224,200,.75);
  flex:0 0 auto;
}
.brand-name{display:inline-flex;align-items:baseline;gap:2px;white-space:nowrap;}
.brand-name b{font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:-.01em;}
.brand-name i{font-size:17px;font-weight:600;font-style:normal;color:var(--brand-1);letter-spacing:-.01em;}
.brand-name em{font-size:13px;font-style:normal;color:var(--text-3);margin-left:6px;}

.nav-desktop{display:none;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:8px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--brand-1);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:20%;right:20%;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
}
.header-right{display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  cursor:pointer;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  padding:12px 24px;
  transition:all .25s cubic-bezier(.4,0,.2,1);
  white-space:nowrap;
}
.btn-primary{
  color:#04170F;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 1px rgba(43,224,200,.35),0 12px 32px -10px rgba(43,224,200,.55);
}
.btn-primary:hover{
  color:#04170F;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(43,224,200,.5),0 18px 38px -12px rgba(43,224,200,.7);
}
.btn-ghost{
  color:var(--text-1);
  background:transparent;
  border:1px solid var(--line-soft);
}
.btn-ghost:hover{
  color:var(--brand-1);
  border-color:rgba(43,224,200,.5);
  background:rgba(43,224,200,.06);
  transform:translateY(-1px);
}
.btn-sm{padding:9px 18px;font-size:14px;}

.nav-toggle{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;height:42px;
  padding:0 10px;
  border-radius:12px;
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);
  cursor:pointer;
}
.nav-toggle span{
  display:block;height:2px;border-radius:2px;
  background:var(--text-1);
  transition:all .25s cubic-bezier(.4,0,.2,1);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-drawer{
  position:fixed;
  top:64px;right:0;
  width:min(300px,84vw);
  max-height:calc(100vh - 64px);
  overflow-y:auto;
  padding:18px 20px 26px;
  display:flex;
  flex-direction:column;
  gap:4px;
  background:rgba(10,17,32,.97);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-left:1px solid var(--line-soft);
  box-shadow:-24px 0 60px -30px rgba(0,0,0,.9);
  transform:translateX(105%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  z-index:90;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer a{
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-2);
}
.nav-drawer a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.nav-drawer a.active{color:var(--brand-1);background:rgba(43,224,200,.08);}
.nav-drawer a:last-child{
  margin-top:10px;
  text-align:center;
  color:#04170F;
  font-weight:600;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}

@media (min-width:1024px){
  .nav-desktop{display:flex;}
  .nav-toggle{display:none;}
  .nav-drawer{display:none;}
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-top:22px;
  font-size:13px;
  color:var(--text-2);
}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-1);}
.breadcrumb a:hover{color:var(--brand-1);}

/* ============ 页面头 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  margin-top:18px;
  border-radius:24px;
  border:1px solid var(--line-soft);
  background-image:
    repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0px, rgba(255,255,255,.05) 1px, transparent 1px, transparent 9px),
    linear-gradient(180deg, rgba(7,11,20,.68), rgba(7,11,20,.92)),
    url('/assets/images/backpic/back-2.webp');
  background-size:auto,auto,cover;
  background-position:center,center,center;
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:56px 24px 52px;
  max-width:820px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  margin-bottom:20px;
  border-radius:999px;
  font-size:13px;
  color:var(--brand-1);
  background:rgba(43,224,200,.10);
  border:1px solid rgba(43,224,200,.28);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-1);
  box-shadow:0 0 10px 2px rgba(43,224,200,.75);
}
.page-hero h1 span{
  display:block;
  font-size:clamp(15px,1.6vw,19px);
  font-weight:600;
  color:var(--brand-1);
  margin-bottom:12px;
  letter-spacing:.02em;
}
.page-hero .lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
  max-width:640px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:26px;
  padding:0;
  list-style:none;
}
.hero-points li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
}
.hero-points li::before{
  content:"";
  width:7px;height:7px;
  border-radius:2px;
  transform:rotate(45deg);
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
@media (min-width:768px){
  .page-hero-inner{padding:76px 48px 68px;}
}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:linear-gradient(180deg, rgba(10,17,32,.72), rgba(7,11,20,0));}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head .kicker{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--brand-1);
  margin-bottom:12px;
}
.sec-head p{margin-top:14px;font-size:16px;}

/* ============ 功能大卡 ============ */
.func-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:768px){
  .func-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
.func-card{
  display:flex;
  flex-direction:column;
  min-height:260px;
  border-radius:var(--radius-card);
  border:1px solid var(--line-soft);
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:all .25s cubic-bezier(.4,0,.2,1);
}
.func-card:hover{
  transform:translateY(-4px);
  border-color:rgba(43,224,200,.28);
  box-shadow:var(--shadow-lift);
}
.func-cover{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  border-radius:0;
}
.func-cover img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.func-card:hover .func-cover img{transform:scale(1.04);}
.func-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(7,11,20,.10), rgba(7,11,20,.72));
}
.func-tag{
  position:absolute;
  left:16px;top:16px;
  z-index:2;
  padding:5px 12px;
  border-radius:8px;
  font-size:13px;
  color:var(--brand-1);
  background:rgba(7,11,20,.7);
  border:1px solid rgba(43,224,200,.3);
}
.func-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:24px 26px 26px;
}
.func-body h3{margin-bottom:12px;}
.func-body p{
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.func-link{
  margin-top:auto;
  padding-top:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-1);
}
.func-link::after{
  content:"→";
  transition:transform .25s cubic-bezier(.4,0,.2,1);
}
.func-link:hover::after{transform:translateX(4px);}

/* ============ 流程条 ============ */
.flow{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-top:8px;
}
.flow-step{
  position:relative;
  padding:24px 24px 26px;
  border-radius:var(--radius-inner);
  border:1px solid var(--line-soft);
  background:var(--surface-solid);
  transition:all .25s cubic-bezier(.4,0,.2,1);
}
.flow-step:hover{
  border-color:rgba(43,224,200,.28);
  box-shadow:var(--shadow-card);
}
.flow-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  margin-bottom:14px;
  border-radius:12px;
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--brand-1);
  background:rgba(43,224,200,.10);
  border:1px solid rgba(43,224,200,.32);
}
.flow-step h3{font-size:18px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--text-3);line-height:1.8;}
@media (min-width:640px){
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .flow{grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;}
  .flow-step::after{
    content:"";
    position:absolute;
    top:43px;
    right:-26px;
    width:26px;
    height:1px;
    background:linear-gradient(90deg, rgba(43,224,200,.55), rgba(108,92,255,.15));
  }
  .flow-step:last-child::after{display:none;}
}

/* ============ 要点列表 ============ */
.point-list{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  padding:0;
  margin:0;
  list-style:none;
}
@media (min-width:768px){
  .point-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
}
.point-item{
  padding:24px;
  border-radius:var(--radius-inner);
  border:1px solid var(--line-soft);
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:all .25s cubic-bezier(.4,0,.2,1);
}
.point-item:hover{
  border-color:rgba(108,92,255,.35);
  box-shadow:var(--shadow-card);
}
.point-item h3{font-size:17px;margin-bottom:10px;}
.point-item p{font-size:14px;color:var(--text-2);line-height:1.8;}
.point-dot{
  display:block;
  width:10px;height:10px;
  margin-bottom:16px;
  border-radius:3px;
  transform:rotate(45deg);
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 12px 1px rgba(43,224,200,.4);
}

/* ============ FAQ ============ */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  max-width:900px;
}
.faq-item{
  border-radius:var(--radius-inner);
  border:1px solid var(--line-soft);
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:all .25s cubic-bezier(.4,0,.2,1);
}
.faq-item:hover{border-color:rgba(43,224,200,.28);}
.faq-item[open]{border-color:rgba(43,224,200,.35);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 22px;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:10px;
  font-size:13px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--brand-1);
  border:1px solid rgba(43,224,200,.35);
  background:rgba(43,224,200,.07);
}
.faq-item summary h3{
  flex:1;
  font-size:17px;
  line-height:1.5;
  margin:0;
}
.faq-icon{
  flex:0 0 auto;
  position:relative;
  width:22px;height:22px;
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand-1);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{
  padding:0 22px 22px 74px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}
@media (max-width:520px){
  .faq-body{padding-left:22px;}
}

/* ============ 底部 CTA ============ */
.cta-bar{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-card);
  border:1px solid rgba(43,224,200,.28);
  background:
    radial-gradient(600px 260px at 88% 0%, rgba(108,92,255,.18), transparent 62%),
    linear-gradient(135deg, rgba(43,224,200,.10), rgba(10,17,32,.9));
  padding:34px 26px;
}
.cta-bar-inner{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.cta-bar h2{font-size:clamp(20px,2.2vw,28px);}
.cta-bar p{margin-top:10px;font-size:15px;max-width:620px;}
@media (min-width:768px){
  .cta-bar{padding:44px 48px;}
  .cta-bar-inner{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    gap:32px;
  }
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;
  background:#05080F;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg, var(--brand-1), var(--brand-2)) 1;
  padding:56px 0 24px;
}
.footer-top{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
}
@media (min-width:640px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .footer-top{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
}
.footer-brand p{
  margin:16px 0 18px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-3);
  max-width:320px;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.03);
}
.footer-social a:hover{
  color:var(--brand-1);
  border-color:rgba(43,224,200,.4);
}
.footer-col h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--text-1);
}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:14px;color:var(--text-3);}
.footer-col a{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--brand-1);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line-soft);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
@media (max-width:639px){
  .site-footer{padding-top:44px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root {
    --bg-base: #070B14;
    --bg-deep: #0A1120;
    --surface-glass: rgba(20, 32, 54, 0.55);
    --surface-solid: #101A2C;
    --line-soft: rgba(255, 255, 255, 0.08);
    --brand-1: #2BE0C8;
    --brand-2: #6C5CFF;
    --accent-hot: #FFB020;
    --accent-warn: #FF5C7A;
    --text-1: rgba(233, 242, 255, 0.96);
    --text-2: rgba(178, 196, 222, 0.78);
    --text-3: rgba(140, 158, 186, 0.58);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 12px;
    --shadow-card: 0 20px 48px -18px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 0 1px rgba(43, 224, 200, 0.35), 0 12px 32px -10px rgba(43, 224, 200, 0.55);
    --grad-brand: linear-gradient(135deg, #2BE0C8, #6C5CFF);
    --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 72px;
  }

  *,
  *::before,
  *::after { box-sizing: border-box; }

  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

  body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-2);
    background-color: var(--bg-base);
    background-image:
      radial-gradient(900px 520px at 6% -8%, rgba(43, 224, 200, 0.10), transparent 62%),
      radial-gradient(880px 560px at 98% 6%, rgba(108, 92, 255, 0.10), transparent 62%),
      linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: auto, auto, 24px 24px, 24px 24px;
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
  }

  body.drawer-open { overflow: hidden; }

  h1, h2, h3, h4 {
    margin: 0;
    color: var(--text-1);
    font-weight: 800;
    letter-spacing: 0;
    line-height: 1.25;
  }

  h1 { font-size: clamp(28px, 4.6vw, 54px); line-height: 1.14; font-weight: 800; }
  h2 { font-size: clamp(22px, 2.6vw, 34px); }
  h3 { font-size: 20px; font-weight: 600; }
  h4 { font-size: 16px; font-weight: 600; }
  p { margin: 0; }

  a {
    color: var(--text-2);
    text-decoration: none;
    transition: all 0.25s var(--ease);
  }

  a:hover { color: var(--brand-1); }

  img { display: block; max-width: 100%; height: auto; }

  ul, ol { margin: 0; padding: 0; list-style: none; }

  button, input, select, textarea { font-family: inherit; font-size: inherit; }

  :focus-visible {
    outline: 2px solid var(--brand-1);
    outline-offset: 2px;
    border-radius: 6px;
  }

  .shell {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  .num { font-variant-numeric: tabular-nums; font-weight: 800; }

  /* ---------------- 顶栏 ---------------- */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    background: rgba(7, 11, 20, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-soft);
    transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
  }

  .site-header.is-scrolled {
    background: rgba(7, 11, 20, 0.92);
    box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.9);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 64px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-1);
    flex-shrink: 0;
  }

  .brand-badge {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: #06131A;
    background: var(--grad-brand);
    border-radius: 10px;
    box-shadow: var(--shadow-glow);
  }

  .brand-name {
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
    font-size: 17px;
    line-height: 1.2;
  }

  .brand-name b { font-weight: 900; color: var(--text-1); }
  .brand-name i {
    font-style: normal;
    font-weight: 900;
    letter-spacing: -0.01em;
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .brand-name em {
    font-style: normal;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-3);
    margin-left: 4px;
    display: none;
  }

  .nav-desktop { display: none; align-items: center; gap: 4px; }

  .nav-link {
    position: relative;
    display: inline-block;
    padding: 9px 14px;
    border-radius: 8px;
    font-size: 15px;
    color: var(--text-2);
  }

  .nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-1);
  }

  .nav-link.active { color: var(--brand-1); }

  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 20%;
    right: 20%;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--grad-brand);
  }

  .header-right { display: flex; align-items: center; gap: 10px; }

  .nav-toggle {
    width: 42px;
    height: 42px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line-soft);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s var(--ease);
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-1);
    transition: all 0.25s var(--ease);
  }

  .nav-toggle:hover { border-color: rgba(43, 224, 200, 0.45); }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-drawer {
    position: fixed;
    top: 64px;
    right: 0;
    width: min(78vw, 320px);
    height: calc(100vh - 64px);
    padding: 22px 20px 40px;
    background: rgba(10, 17, 32, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-left: 1px solid var(--line-soft);
    transform: translateX(105%);
    transition: transform 0.32s var(--ease);
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 59;
  }

  .nav-drawer.open { transform: translateX(0); }

  .nav-drawer a {
    padding: 13px 16px;
    border-radius: 12px;
    font-size: 16px;
    color: var(--text-2);
    border: 1px solid transparent;
  }

  .nav-drawer a:hover { background: rgba(255, 255, 255, 0.05); color: var(--text-1); }

  .nav-drawer a.active {
    color: var(--brand-1);
    background: rgba(43, 224, 200, 0.08);
    border-color: rgba(43, 224, 200, 0.28);
  }

  /* ---------------- 按钮 ---------------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    white-space: nowrap;
  }

  .btn-sm { padding: 9px 18px; font-size: 14px; }

  .btn-primary {
    color: #05131A;
    background: var(--grad-brand);
    box-shadow: var(--shadow-glow);
  }

  .btn-primary:hover {
    color: #05131A;
    filter: brightness(1.08);
    transform: translateY(-1px);
  }

  .btn-ghost {
    color: var(--text-1);
    background: transparent;
    border-color: rgba(255, 255, 255, 0.18);
  }

  .btn-ghost:hover {
    color: var(--brand-1);
    border-color: rgba(43, 224, 200, 0.55);
    background: rgba(43, 224, 200, 0.06);
  }

  /* ---------------- 面包屑 ---------------- */
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: calc(var(--header-h) + 20px);
    font-size: 13px;
    color: var(--text-2);
  }

  .breadcrumb span.sep { color: var(--text-3); }
  .breadcrumb .current { color: var(--text-1); }

  /* ---------------- 页面头 ---------------- */
  .page-hero {
    position: relative;
    margin-top: 22px;
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
    background-color: var(--bg-deep);
    overflow: hidden;
  }

  .page-hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.34;
  }

  .page-hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
      repeating-linear-gradient(115deg, rgba(43, 224, 200, 0.06) 0 2px, transparent 2px 9px),
      linear-gradient(180deg, rgba(7, 11, 20, 0.72) 0%, rgba(7, 11, 20, 0.9) 55%, rgba(7, 11, 20, 1) 100%);
  }

  .page-hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 48px;
    padding-bottom: 52px;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--brand-1);
    background: rgba(43, 224, 200, 0.09);
    border: 1px solid rgba(43, 224, 200, 0.26);
  }

  .page-hero-text h1 { margin: 18px 0 14px; }

  .page-hero-sub {
    font-size: 17px;
    color: var(--text-2);
    max-width: 620px;
  }

  .hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
  }

  .hero-points li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-2);
    background: var(--surface-glass);
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    backdrop-filter: blur(8px);
  }

  .hero-points svg { width: 15px; height: 15px; flex-shrink: 0; }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
  }

  .page-hero-media {
    position: relative;
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line-soft);
    background: var(--surface-solid);
    box-shadow: var(--shadow-card);
  }

  .page-hero-media img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
  }

  .page-hero-media figcaption {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-3);
    border-top: 1px solid var(--line-soft);
    background: rgba(16, 26, 44, 0.85);
  }

  /* ---------------- 通用板块 ---------------- */
  .section { padding-top: 56px; padding-bottom: 56px; }
  .section-alt { background: var(--bg-deep); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

  .section-head { max-width: 760px; margin-bottom: 34px; }

  .section-head .kicker {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--brand-1);
  }

  .section-head h2 { margin-bottom: 12px; }
  .section-head p { color: var(--text-2); }

  /* ---------------- 时间线 ---------------- */
  .timeline {
    position: relative;
    max-width: 900px;
    padding-left: 4px;
  }

  .timeline::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 10px;
    bottom: 22px;
    width: 1px;
    background: linear-gradient(180deg, rgba(43, 224, 200, 0.7), rgba(108, 92, 255, 0.35), transparent);
  }

  .tl-item {
    position: relative;
    padding-left: 46px;
    padding-bottom: 26px;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  }

  .tl-item.in { opacity: 1; transform: translateY(0); }

  .tl-item:last-child { padding-bottom: 0; }

  .tl-dot {
    position: absolute;
    left: 0;
    top: 18px;
    width: 23px;
    height: 23px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--surface-solid);
    border: 1px solid rgba(43, 224, 200, 0.55);
    box-shadow: 0 0 16px rgba(43, 224, 200, 0.55);
    z-index: 2;
  }

  .tl-dot::after {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-1);
  }

  .tl-card {
    padding: 22px 24px;
    border-radius: var(--radius-lg);
    background: var(--surface-glass);
    border: 1px solid var(--line-soft);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.25s var(--ease);
  }

  .tl-card:hover {
    transform: translateY(-2px);
    border-color: rgba(43, 224, 200, 0.28);
    box-shadow: var(--shadow-card);
  }

  .tl-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
  }

  .tl-date {
    font-size: 13px;
    color: var(--accent-hot);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 11px;
    font-size: 12px;
    border-radius: 8px;
    color: var(--brand-1);
    background: rgba(43, 224, 200, 0.1);
    border: 1px solid rgba(43, 224, 200, 0.24);
  }

  .tag-purple { color: #B9B2FF; background: rgba(108, 92, 255, 0.14); border-color: rgba(108, 92, 255, 0.3); }
  .tag-hot { color: var(--accent-hot); background: rgba(255, 176, 32, 0.12); border-color: rgba(255, 176, 32, 0.3); }
  .tag-warn { color: var(--accent-warn); background: rgba(255, 92, 122, 0.12); border-color: rgba(255, 92, 122, 0.3); }

  .tl-card h3 { margin-bottom: 8px; }
  .tl-card p { font-size: 15px; color: var(--text-2); }

  .tl-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--line-soft);
    font-size: 13px;
    color: var(--text-3);
  }

  /* ---------------- 优惠摘要条 ---------------- */
  .bonus-strip {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 34px;
  }

  .bonus-cell {
    position: relative;
    padding: 26px 26px 24px;
    background: linear-gradient(160deg, rgba(255, 176, 32, 0.14), rgba(16, 26, 44, 0.94) 62%);
    border: 1px solid rgba(255, 176, 32, 0.24);
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
    transition: all 0.25s var(--ease);
  }

  .bonus-cell:hover {
    border-color: rgba(255, 176, 32, 0.5);
    transform: translateY(-3px);
  }

  .bonus-index {
    font-size: 26px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
    color: var(--accent-hot);
    line-height: 1;
    display: block;
    margin-bottom: 12px;
  }

  .bonus-cell h3 { font-size: 18px; margin-bottom: 8px; }
  .bonus-cell p { font-size: 14px; color: var(--text-2); }

  .bonus-note {
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-3);
  }

  /* ---------------- 咨询 CTA ---------------- */
  .consult-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 26px;
    align-items: start;
  }

  .consult-aside {
    padding: 28px 26px;
    border-radius: var(--radius-lg);
    background: var(--surface-glass);
    border: 1px solid var(--line-soft);
    backdrop-filter: blur(10px);
  }

  .consult-aside h3 { margin-bottom: 14px; }

  .consult-list { display: grid; gap: 14px; margin-top: 18px; }

  .consult-list li {
    display: grid;
    grid-template-columns: 26px 1fr;
    gap: 12px;
    font-size: 15px;
    color: var(--text-2);
  }

  .consult-list b {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 800;
    color: var(--brand-1);
    border: 1px solid rgba(43, 224, 200, 0.4);
    background: rgba(43, 224, 200, 0.08);
    font-variant-numeric: tabular-nums;
  }

  .form-panel {
    padding: 28px 26px;
    border-radius: var(--radius-lg);
    background: rgba(16, 26, 44, 0.72);
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(10px);
  }

  .form-row { display: grid; gap: 8px; margin-bottom: 18px; }

  .form-row label {
    font-size: 14px;
    color: var(--text-1);
    font-weight: 600;
  }

  .form-row input,
  .form-row select,
  .form-row textarea {
    width: 100%;
    padding: 12px 14px;
    color: var(--text-1);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line-soft);
    border-radius: 12px;
    transition: all 0.25s var(--ease);
    appearance: none;
  }

  .form-row textarea { min-height: 108px; resize: vertical; }

  .form-row select option { background: #101A2C; color: var(--text-1); }

  .form-row input::placeholder,
  .form-row textarea::placeholder { color: var(--text-3); }

  .form-row input:focus,
  .form-row select:focus,
  .form-row textarea:focus {
    outline: none;
    border-color: var(--brand-1);
    box-shadow: 0 0 0 3px rgba(43, 224, 200, 0.16);
  }

  .form-row.invalid input,
  .form-row.invalid select { border-color: var(--accent-warn); }

  .field-error {
    font-size: 12px;
    color: var(--accent-warn);
    min-height: 16px;
  }

  .form-foot { display: grid; gap: 12px; margin-top: 6px; }

  .privacy-note { font-size: 12px; color: var(--text-3); }

  .form-tip {
    display: none;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 14px;
    color: var(--brand-1);
    background: rgba(43, 224, 200, 0.08);
    border: 1px solid rgba(43, 224, 200, 0.28);
  }

  .form-tip.show { display: block; }

  .form-grid-2 { display: grid; grid-template-columns: 1fr; gap: 0 18px; }

  /* ---------------- 页脚 ---------------- */
  .site-footer {
    margin-top: 20px;
    background: #05080F;
    border-top: 1px solid transparent;
    background-image: linear-gradient(#05080F, #05080F),
      linear-gradient(90deg, rgba(43, 224, 200, 0.65), rgba(108, 92, 255, 0.65));
    background-origin: border-box;
    background-clip: padding-box, border-box;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 36px;
  }

  .footer-brand p {
    margin: 16px 0 18px;
    font-size: 14px;
    color: var(--text-2);
    max-width: 320px;
  }

  .footer-social { display: flex; gap: 10px; }

  .footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    font-size: 13px;
    border-radius: 12px;
    color: var(--text-2);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line-soft);
  }

  .footer-social a:hover {
    color: var(--brand-1);
    border-color: rgba(43, 224, 200, 0.45);
    background: rgba(43, 224, 200, 0.06);
  }

  .footer-col h4 { margin-bottom: 14px; color: var(--text-1); }

  .footer-col ul { display: grid; gap: 10px; }

  .footer-col a,
  .footer-col span { font-size: 14px; color: var(--text-2); }

  .footer-col span { display: block; }

  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    padding: 18px 0 26px;
    border-top: 1px solid var(--line-soft);
    font-size: 13px;
    color: var(--text-3);
  }

  /* ---------------- 断点 ---------------- */
  @media (min-width: 640px) {
    .brand-name em { display: inline; }
    .section { padding-top: 72px; padding-bottom: 72px; }
    .page-hero-inner { padding-top: 60px; padding-bottom: 64px; }
    .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .form-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bonus-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  }

  @media (min-width: 1024px) {
    :root { --header-h: 72px; }
    .shell { padding-left: 32px; padding-right: 32px; }
    .header-inner { height: 72px; }
    .nav-desktop { display: flex; }
    .nav-toggle { display: none; }
    .nav-drawer { display: none; }
    .page-hero-inner {
      grid-template-columns: 1.35fr 1fr;
      align-items: center;
      gap: 48px;
      padding-top: 72px;
      padding-bottom: 76px;
    }
    .page-hero-text h1 { margin-top: 22px; }
    .consult-grid { grid-template-columns: 0.85fr 1.15fr; gap: 32px; }
    .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; padding: 64px 0 44px; }
    .section { padding-top: 96px; padding-bottom: 96px; }
    .tl-item { padding-left: 54px; padding-bottom: 30px; }
    .timeline::before { left: 11px; }
  }

  @media (min-width: 1280px) {
    .shell { max-width: 1280px; }
  }

  @media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
  }