/* roulang page: index */
:root{
  --bg:#0B0D0C;
  --surface:#141815;
  --card:#171C18;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#B8FF3C;
  --primary-dim:rgba(184,255,60,.16);
  --accent:#FF6A2B;
  --text:#EAEFE9;
  --text-2:#99A39B;
  --text-3:#6C756E;
  --radius-card:12px;
  --radius-btn:6px;
  --shadow-card:0 1px 2px rgba(0,0,0,.6),0 12px 32px rgba(0,0,0,.45);
  --shadow-soft:0 1px 2px rgba(0,0,0,.5),0 6px 18px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#0B0D0C;
  --bs-body-color:#EAEFE9;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#B8FF3C;
  --bs-primary-rgb:184,255,60;
  --bs-link-color:#B8FF3C;
  --bs-link-hover-color:#cfff74;
  --bs-secondary-color:#99A39B;
  --bs-emphasis-color:#EAEFE9;
  --bs-font-sans-serif:"HarmonyOS Sans","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:#d3ff80}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4vw,50px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.4vw,32px);font-weight:700;line-height:1.25}
h3{font-size:20px;font-weight:600;line-height:1.4}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
::selection{background:var(--primary);color:#0B0D0C}

/* ============ 容器与板块 ============ */
.container-xxl,.container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1360px}}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:40px;max-width:760px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--primary);margin-bottom:14px;font-weight:600;
}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:inline-block}
.section-head p{color:var(--text-2);font-size:16px;margin:14px 0 0;line-height:1.8}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  padding:12px 22px;line-height:1.2;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:var(--primary);color:#0B0D0C;border-color:var(--primary);
}
.btn-primary:hover,.btn-primary:focus{
  background:#c8ff5e;color:#0B0D0C;border-color:#c8ff5e;
  transform:translateY(-1px);box-shadow:0 0 8px rgba(184,255,60,.45),0 10px 24px rgba(0,0,0,.4);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 4px rgba(184,255,60,.35)}
.btn-ghost{
  background:transparent;color:var(--primary);border-color:rgba(184,255,60,.5);
}
.btn-ghost:hover{
  background:var(--primary-dim);color:var(--primary);border-color:var(--primary);
  transform:translateY(-1px);box-shadow:0 0 10px rgba(184,255,60,.28);
}
.btn-soft{
  background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line-strong);
}
.btn-soft:hover{background:rgba(255,255,255,.09);color:var(--text);border-color:var(--primary)}
.btn-accent{
  background:var(--accent);color:#140A05;border-color:var(--accent);
}
.btn-accent:hover{background:#ff7d45;color:#140A05;transform:translateY(-1px);box-shadow:0 0 8px rgba(255,106,43,.45)}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

/* ============ 徽章与标签 ============ */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:5px 10px;border-radius:4px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);color:var(--text-2);
}
.badge-tag.accent{border-color:rgba(255,106,43,.6);color:var(--accent)}
.badge-tag.primary{border-color:rgba(184,255,60,.6);color:var(--primary)}
.badge-tag.pill{border-radius:999px}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:68px;
  background:rgba(11,13,12,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(184,255,60,.35);
  transition:height .22s var(--ease),background-color .22s var(--ease);
}
.site-header.shrink{height:56px;background:rgba(11,13,12,.94)}
.nav-wrap{display:flex;align-items:center;height:100%;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:8px;
  border:1px solid rgba(184,255,60,.7);
  display:grid;place-items:center;
  box-shadow:0 0 8px rgba(184,255,60,.28);
  position:relative;flex:0 0 auto;
}
.brand-mark::before{
  content:"";width:12px;height:12px;border-radius:2px;
  background:var(--primary);transform:rotate(45deg);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:14px}
.nav-link{
  position:relative;color:#B4BDB5;font-size:15px;font-weight:500;
  padding:8px 12px;border-radius:6px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left center;
  transition:transform .16s var(--ease);
  box-shadow:0 0 8px rgba(184,255,60,.85);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav-divider{width:1px;height:24px;background:var(--line-strong);display:block}
.hamburger{
  width:42px;height:38px;border-radius:6px;
  border:1px solid rgba(184,255,60,.6);background:transparent;
  display:none;place-items:center;color:var(--primary);
}
.hamburger:hover{background:var(--primary-dim)}
.hamburger i{font-size:16px}
@media (max-width:991px){
  .nav-links{display:none}
  .hamburger{display:grid}
  .nav-side .btn{display:none}
}
.drawer{
  --bs-offcanvas-width:308px;
  background:var(--surface);color:var(--text);border-left:1px solid var(--line-strong);
}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.drawer .offcanvas-body{padding:18px 22px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:8px;color:#B4BDB5;font-size:16px;font-weight:500;
  border:1px solid transparent;margin-bottom:6px;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-link.active{color:var(--text);border-color:rgba(184,255,60,.5);box-shadow:0 0 8px rgba(184,255,60,.22)}
.drawer-link.active i{color:var(--primary)}
body{padding-top:68px}

/* ============ Hero ============ */
.hero{padding:72px 0 64px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 320px at 82% 0%,rgba(184,255,60,.09),transparent 70%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative}
.hero h1{margin:18px 0 20px}
.hero h1 .hl{color:var(--primary)}
.hero-rule{width:56px;height:1px;background:var(--primary);margin:0 0 22px;box-shadow:0 0 8px rgba(184,255,60,.6)}
.hero-sub{font-size:18px;color:var(--text-2);max-width:30em;margin-bottom:26px;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-facts{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}
.hero-facts .fact-num{
  font-size:28px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-.02em;
}
.hero-facts .fact-label{font-size:13px;color:var(--text-3);margin-top:6px}
.hero-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-card)}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(11,13,12,.96) 0%,rgba(11,13,12,.6) 40%,rgba(11,13,12,0) 68%);
}
.hero-media .media-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.hero-media .signal{
  position:absolute;right:16px;top:16px;z-index:2;
  display:flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--primary);
  background:rgba(11,13,12,.72);border:1px solid rgba(184,255,60,.5);
  padding:6px 10px;border-radius:999px;
}
.dot{
  width:8px;height:8px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 0 rgba(184,255,60,.6);animation:pulse 2s var(--ease) infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(184,255,60,.55)}
  70%{box-shadow:0 0 0 9px rgba(184,255,60,0)}
  100%{box-shadow:0 0 0 0 rgba(184,255,60,0)}
}
@media (max-width:1199px){
  .hero-grid{grid-template-columns:6fr 6fr;gap:40px}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:48px 0 44px}
}

/* ============ 倒计时条 ============ */
.countdown{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:22px 0;
}
.countdown-inner{display:flex;align-items:center;gap:24px;justify-content:space-between}
.countdown-title{font-size:15px;color:var(--text-2)}
.countdown-title strong{display:block;color:var(--text);font-size:17px;font-weight:700;margin-bottom:2px}
.cd-numbers{display:flex;align-items:center;gap:10px;font-variant-numeric:tabular-nums}
.cd-unit{text-align:center;min-width:64px}
.cd-unit .num{
  display:block;font-size:30px;font-weight:800;color:var(--primary);
  line-height:1;letter-spacing:-.02em;
}
.cd-unit .cap{display:block;font-size:12px;color:var(--text-3);letter-spacing:.08em;margin-top:6px}
.cd-sep{color:var(--primary);font-size:24px;font-weight:800;padding-bottom:16px;opacity:.75}
@media (max-width:767px){
  .countdown-inner{flex-direction:column;align-items:flex-start;gap:18px}
  .cd-unit{min-width:52px}
  .cd-unit .num{font-size:24px}
}

/* ============ 看点刻度流 ============ */
.spot-list{border-top:1px solid var(--line)}
.spot-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:26px 20px 26px 0;border-bottom:1px solid var(--line);
  position:relative;transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.spot-item::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--primary);transform:scaleY(0);transform-origin:center;
  transition:transform .22s var(--ease);box-shadow:0 0 8px rgba(184,255,60,.6);
}
.spot-item:hover{transform:translateX(4px)}
.spot-item:hover::before{transform:scaleY(1)}
.spot-num{
  font-size:22px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.spot-body h3{margin-bottom:6px}
.spot-body p{color:var(--text-2);font-size:15px;margin:0;line-height:1.75}
.spot-arrow{color:var(--text-3);font-size:16px;transition:color .2s var(--ease),transform .2s var(--ease)}
.spot-item:hover .spot-arrow{color:var(--primary);transform:translateX(3px)}
@media (max-width:575px){
  .spot-item{grid-template-columns:44px 1fr;gap:14px}
  .spot-arrow{display:none}
}

/* ============ 表单区 ============ */
.subscribe-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.panel{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-soft);
}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;font-weight:500}
.form-control{
  background:#101410;border:1px solid var(--line-strong);color:var(--text);
  height:46px;border-radius:var(--radius-btn);font-size:15px;padding:0 14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{
  background:#101410;color:var(--text);border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(184,255,60,.18);outline:none;
}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.check-item{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);
  background:#101410;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:11px 13px;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.check-item:hover{border-color:rgba(184,255,60,.45);color:var(--text)}
.check-item input{accent-color:var(--primary);width:16px;height:16px;flex:0 0 auto}
.form-check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-3);line-height:1.7}
.form-check-line input{margin-top:4px;accent-color:var(--primary)}
.form-feedback{margin-top:14px;font-size:14px;color:var(--primary);min-height:20px}
@media (max-width:991px){
  .subscribe-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:575px){
  .check-grid{grid-template-columns:1fr}
  .panel{padding:22px}
}

/* ============ 回放卡带 ============ */
.reel-wrap{position:relative}
.reel{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.reel::-webkit-scrollbar{height:6px}
.reel::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px}
.reel::-webkit-scrollbar-track{background:transparent}
.reel-card{
  flex:0 0 306px;scroll-snap-align:start;
}
.reel-nav{display:flex;gap:10px;justify-content:flex-end;margin-bottom:18px}
.reel-btn{
  width:40px;height:40px;border-radius:6px;border:1px solid var(--line-strong);
  background:transparent;color:var(--text-2);display:grid;place-items:center;
  transition:all .2s var(--ease);
}
.reel-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-dim)}
@media (max-width:575px){.reel-card{flex:0 0 260px}}

/* ============ 卡片 ============ */
.card{
  --bs-card-bg:var(--card);--bs-card-border-color:var(--line);
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-soft);overflow:hidden;height:100%;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(184,255,60,.5);box-shadow:var(--shadow-card)}
.card:hover.alt{border-color:rgba(255,106,43,.7)}
.card-cover{position:relative;overflow:hidden;background:#101410}
.card-cover img{width:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card-cover.ratio-43 img{aspect-ratio:4/3}
.card-cover.ratio-1610 img{aspect-ratio:16/10}
.card:hover .card-cover img{transform:scale(1.03)}
.cover-time{
  position:absolute;right:10px;bottom:10px;
  font-size:12px;font-variant-numeric:tabular-nums;letter-spacing:.04em;
  background:rgba(11,13,12,.82);color:var(--primary);
  border:1px solid rgba(184,255,60,.55);border-radius:4px;padding:3px 8px;
}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600}
.card-body p{color:var(--text-2);font-size:14px;margin:0;line-height:1.75}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.card-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.card-link:hover{gap:9px}
.card-lg .card-body h3{font-size:21px}
.card-lg .card-body p{font-size:15px}

/* ============ 最新信息 ============ */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:64px 24px;text-align:center;background:var(--surface);
}
.empty-state i{font-size:30px;color:var(--primary);margin-bottom:16px;display:block}
.empty-state p{color:var(--text-2);margin-bottom:20px}

/* ============ 优势刻度 ============ */
.scale-bar{border-top:1px solid var(--line)}
.scale-row{
  display:grid;grid-template-columns:180px 1fr 92px;gap:24px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.scale-row .label{font-size:16px;font-weight:600;color:var(--text)}
.scale-track{height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.scale-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,rgba(184,255,60,.5),var(--primary));width:0;transition:width .9s var(--ease)}
.scale-fill.orange{background:linear-gradient(90deg,rgba(255,106,43,.45),var(--accent))}
.scale-row .value{text-align:right;font-size:15px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.scale-row .value.orange{color:var(--accent)}
.scale-note{font-size:13px;color:var(--text-3);grid-column:2/4;margin-top:-6px}
@media (max-width:767px){
  .scale-row{grid-template-columns:1fr 72px;gap:14px}
  .scale-track{grid-column:1/3}
  .scale-note{grid-column:1/3}
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;color:var(--text);font-size:17px;font-weight:600;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q i{color:var(--primary);font-size:14px;transition:transform .3s var(--ease);flex:0 0 auto}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 4px 24px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:80ch}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--surface);border-top:1px solid var(--primary);
  padding:38px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner .cta-text{font-size:19px;font-weight:600;color:var(--text);max-width:44em}
.cta-inner .cta-text span{display:block;font-size:14px;font-weight:400;color:var(--text-2);margin-top:6px}
@media (max-width:767px){
  .cta-inner .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:#0A0C0B;border-top:1px solid var(--line);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.85;max-width:34ch}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:var(--text-2);font-size:14px}
.footer-links a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.footer-form .form-control{height:44px;font-size:14px}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:52px}
}

/* ============ 进入视口动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式板块间距 ============ */
@media (max-width:991px){
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .section-tight{padding:44px 0}
}
@media (max-width:575px){
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  h1{font-size:clamp(28px,7vw,34px)}
  .container-xxl,.container{padding-left:18px;padding-right:18px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .hero-facts{gap:24px}
}

/* roulang page: category1 */
:root{
  --bg:#0B0D0C;
  --bg-2:#141815;
  --bg-3:#171C18;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#B8FF3C;
  --accent:#FF6A2B;
  --text:#EAEFE9;
  --text-2:#99A39B;
  --text-3:#6C756E;
  --radius-card:11px;
  --radius-btn:6px;
  --radius-img:8px;
  --shadow-1:0 1px 2px rgba(0,0,0,.6);
  --shadow-2:0 12px 32px rgba(0,0,0,.45);
  --glow:0 0 8px rgba(184,255,60,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-border-color:var(--line);
  --bs-primary:#B8FF3C;
  --bs-link-color:#B8FF3C;
  --bs-link-hover-color:#CDFF74;
  --bs-font-sans-serif:"HarmonyOS Sans","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:#CDFF74;text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.01em}
p{margin:0 0 1.2em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
@media(min-width:1400px){.container{max-width:1360px}}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:68px;
  background:rgba(11,13,12,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(184,255,60,.35);
  transition:height var(--t) var(--ease),background var(--t) var(--ease);
}
.site-header.shrink{height:56px;background:rgba(11,13,12,.95)}
.header-inner{display:flex;align-items:center;height:100%;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:22px;height:22px;border-radius:5px;
  border:1.5px solid var(--primary);
  position:relative;flex-shrink:0;
  box-shadow:0 0 10px rgba(184,255,60,.28) inset;
}
.brand-mark::after{
  content:"";position:absolute;inset:5px;
  border-radius:2px;background:var(--primary);
  opacity:.9;
}
.brand-text{font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.02em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:15px;font-weight:500;color:#B4BDB5;
  border-radius:var(--radius-btn);
  white-space:nowrap;
  transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);
  border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform 160ms var(--ease);
}
.nav-link:hover{color:var(--text);text-decoration:none}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{transform:scaleX(1);box-shadow:0 0 8px rgba(184,255,60,.65)}
.header-cta{align-items:center;gap:14px;display:flex;flex-shrink:0}
.header-divider{width:1px;height:24px;background:var(--line-strong)}
.nav-toggle{
  display:none;
  width:40px;height:36px;border-radius:var(--radius-btn);
  border:1px solid var(--primary);background:transparent;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--primary);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--primary);
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity var(--t) var(--ease);z-index:1100;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;z-index:1200;
  background:var(--bg-2);
  border-left:1px solid rgba(184,255,60,.28);
  transform:translateX(100%);
  transition:transform 240ms var(--ease);
  padding:22px 20px;
  overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{background:transparent;border:1px solid var(--line-strong);color:var(--text-2);border-radius:var(--radius-btn);width:34px;height:34px;cursor:pointer}
.drawer .nav-link{display:block;padding:12px 12px;font-size:16px}
.drawer .nav-link::after{left:12px;right:12px;bottom:6px}
.drawer .btn{margin-top:18px}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  padding:10px 20px;
  border:1px solid transparent;
  transition:all var(--t) var(--ease);
  line-height:1.4;
}
.btn-primary{
  background:var(--primary);color:#0B0D0C;border-color:var(--primary);
  --bs-btn-bg:var(--primary);--bs-btn-color:#0B0D0C;--bs-btn-border-color:var(--primary);
  --bs-btn-hover-bg:#C6FF5E;--bs-btn-hover-color:#0B0D0C;--bs-btn-hover-border-color:#C6FF5E;
  --bs-btn-active-bg:var(--primary);--bs-btn-active-color:#0B0D0C;--bs-btn-active-border-color:var(--primary);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 0 8px rgba(184,255,60,.5);
  color:#0B0D0C;
}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  background:transparent;color:var(--primary);border-color:var(--primary);
}
.btn-ghost:hover{background:rgba(184,255,60,.08);color:var(--primary);transform:translateY(-1px)}
.btn-soft{
  background:var(--bg-3);color:var(--text);border-color:var(--line-strong);
}
.btn-soft:hover{background:#1D231E;color:var(--text);border-color:var(--primary);transform:translateY(-1px)}
.btn-block{width:100%;display:block}
.btn-sm{padding:7px 14px;font-size:14px}

/* ---------- 通用 ---------- */
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-head{margin-bottom:40px;max-width:760px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--primary);border:1px solid rgba(184,255,60,.35);
  border-radius:999px;padding:4px 12px;margin-bottom:16px;
}
.section-title{font-size:32px;font-weight:700;margin-bottom:14px}
.section-desc{color:var(--text-2);font-size:16px;margin:0}
.divider{height:1px;background:var(--line);border:0;margin:0}
.hairline{width:44px;height:1px;background:var(--primary);margin:20px 0 0}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;
  padding:3px 10px;border-radius:999px;
  background:var(--bg-3);border:1px solid rgba(255,106,43,.5);
  color:#FFB48C;
}
.badge-time{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;
  padding:3px 10px;border-radius:4px;
  background:var(--bg-3);border:1px solid rgba(184,255,60,.5);
  color:var(--primary);font-variant-numeric:tabular-nums;
}
.num{font-variant-numeric:tabular-nums}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:132px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,13,12,.96) 0%,rgba(11,13,12,.82) 52%,rgba(11,13,12,.66) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-inner{max-width:760px}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;letter-spacing:-.02em;line-height:1.15;
  margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.hero-lead{font-size:17px;color:#C4CCC5;margin:0 0 28px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;
}
.hero-strip{
  margin-top:44px;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.hero-strip div{
  padding:18px 20px;
  border-right:1px solid var(--line);
}
.hero-strip div:last-child{border-right:0}
.hero-strip .k{display:block;font-size:12px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:6px}
.hero-strip .v{font-size:17px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}
.hero-strip .v.on{color:var(--primary)}

/* ---------- 刻度列表 ---------- */
.scale-list{border-top:1px solid var(--line)}
.scale-item{
  display:flex;gap:24px;align-items:flex-start;
  padding:26px 16px 26px 14px;
  border-bottom:1px solid var(--line);
  position:relative;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease);
}
.scale-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:var(--primary);border-radius:2px;
  opacity:0;transform:scaleY(.5);transform-origin:top;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
}
.scale-item:hover{transform:translateX(4px);background:rgba(255,255,255,.02)}
.scale-item:hover::before{opacity:1;transform:scaleY(1)}
.scale-no{
  font-size:15px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
  width:32px;flex-shrink:0;padding-top:2px;
}
.scale-body h3{font-size:20px;font-weight:600;margin-bottom:8px}
.scale-body p{margin:0;color:var(--text-2);font-size:15.5px;line-height:1.75}
.scale-arrow{color:var(--text-3);font-size:18px;padding-top:2px;transition:color var(--t) var(--ease),transform var(--t) var(--ease)}
.scale-item:hover .scale-arrow{color:var(--primary);transform:translateX(3px)}

/* ---------- 交替图文 ---------- */
.alt-row{align-items:center;margin-bottom:88px}
.alt-row:last-child{margin-bottom:0}
.alt-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2)}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-3)}
.alt-media .media-badge{position:absolute;top:14px;left:14px}
.alt-media .media-foot{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 16px;
  background:linear-gradient(180deg,rgba(11,13,12,0) 0%,rgba(11,13,12,.92) 100%);
  font-size:14px;color:#C4CCC5;
}
.alt-copy h3{font-size:22px;font-weight:600;margin-bottom:14px}
.alt-copy p{color:var(--text-2);font-size:16px;margin-bottom:18px}
.check-list li{
  position:relative;padding-left:22px;margin-bottom:10px;
  color:var(--text-2);font-size:15.5px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:1.5px;background:var(--primary);
}

/* ---------- 对比栏 ---------- */
.compare-wrap{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-2);overflow-x:auto;
}
table.compare{
  width:100%;min-width:640px;border-collapse:collapse;font-size:15px;
}
table.compare th,table.compare td{
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  font-size:13px;letter-spacing:.06em;color:var(--text-3);
  text-transform:uppercase;font-weight:600;background:var(--bg-3);
}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover td{background:rgba(255,255,255,.02)}
table.compare td:first-child{color:var(--text);font-weight:600}
table.compare td{color:var(--text-2)}
.dot-ok{color:var(--primary)}
.dot-mid{color:var(--accent)}

/* ---------- 表单 ---------- */
.form-label{font-size:14px;color:var(--text-2);margin-bottom:8px;display:block}
.form-control{
  background:var(--bg-3);border:1px solid var(--line-strong);color:var(--text);
  border-radius:var(--radius-btn);height:44px;font-size:15px;
  padding:0 14px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{
  background:var(--bg-3);color:var(--text);
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(184,255,60,.16);
  outline:none;
}
.form-check-input{
  background-color:var(--bg-3);border-color:var(--line-strong);
  width:16px;height:16px;margin-top:6px;
}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary)}
.form-check-label{font-size:14.5px;color:var(--text-2)}
.form-feedback{font-size:14px;color:var(--primary);margin-top:12px;min-height:20px}

/* ---------- FAQ ---------- */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:var(--line);--bs-accordion-btn-color:var(--text);--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--primary);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-border-radius:var(--radius-card)}
.accordion-item{background:var(--bg-2);border:1px solid var(--line)!important;border-radius:var(--radius-card)!important;margin-bottom:12px;overflow:hidden}
.accordion-button{
  background:transparent;color:var(--text);font-size:17px;font-weight:600;
  padding:20px 22px;
}
.accordion-button:not(.collapsed){color:var(--primary);background:rgba(184,255,60,.04);box-shadow:none}
.accordion-button::after{
  width:14px;height:14px;background-size:14px;
  filter:invert(84%) sepia(58%) saturate(720%) hue-rotate(31deg) brightness(105%);
  transition:transform 300ms var(--ease);
}
.accordion-body{color:var(--text-2);font-size:15.5px;line-height:1.9;padding:4px 22px 22px}

/* ---------- CTA 带 ---------- */
.cta-band{
  border-top:1px solid var(--primary);
  border-bottom:1px solid var(--line);
  background:var(--bg-2);
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;font-weight:700;margin-bottom:8px}
.cta-inner p{margin:0;color:var(--text-2);font-size:15.5px;max-width:620px}

/* ---------- 相关分类互跳 ---------- */
.cross-links{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cross-card{
  display:block;padding:26px 24px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:all var(--t) var(--ease);text-decoration:none;
}
.cross-card:hover{
  border-color:var(--primary);transform:translateY(-4px);
  box-shadow:var(--shadow-2);text-decoration:none;
}
.cross-card .k{font-size:12px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase}
.cross-card h3{font-size:20px;font-weight:600;color:var(--text);margin:10px 0 8px}
.cross-card p{margin:0;color:var(--text-2);font-size:15px}
.cross-card .go{display:inline-block;margin-top:14px;color:var(--primary);font-size:14px;font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:20px;height:20px}
.footer-brand .brand-text{font-size:17px}
.footer-desc{color:var(--text-2);font-size:14.5px;margin:0;max-width:320px}
.footer-title{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);margin-bottom:16px;font-weight:600}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#B4BDB5;font-size:14.5px;transition:color var(--t) var(--ease)}
.footer-links a:hover{color:var(--primary);text-decoration:none}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13.5px;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 260ms var(--ease),transform 260ms var(--ease)}
.reveal.in{opacity:1;transform:none}
@keyframes pulseDot{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(184,255,60,.5)}50%{opacity:.55;box-shadow:0 0 0 6px rgba(184,255,60,0)}}
.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--primary);animation:pulseDot 2s infinite}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .nav-links{gap:0}
  .nav-link{padding:8px 10px;font-size:14.5px}
}
@media(max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-cta .btn-primary{display:none}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .page-hero{padding:112px 0 56px}
  .hero-strip{grid-template-columns:repeat(2,1fr)}
  .hero-strip div:nth-child(2){border-right:0}
  .hero-strip div:nth-child(1),.hero-strip div:nth-child(2){border-bottom:1px solid var(--line)}
  .alt-row{margin-bottom:56px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cross-links{grid-template-columns:1fr}
}
@media(max-width:767px){
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .section-title{font-size:26px}
  .page-hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .scale-item{gap:16px;padding:22px 12px 22px 12px}
}
@media(max-width:575px){
  .container{padding:0 18px}
  .page-hero{padding:100px 0 48px}
  .page-hero h1{font-size:30px}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%;text-align:center}
  .hero-strip{grid-template-columns:1fr}
  .hero-strip div{border-right:0;border-bottom:1px solid var(--line)}
  .hero-strip div:last-child{border-bottom:0}
  .alt-copy h3{font-size:20px}
  .cta-inner h2{font-size:22px}
  .cta-inner .btn{width:100%;text-align:center}
}

/* roulang page: article */
:root{
  --bg:#0B0D0C;
  --surface:#141815;
  --card:#171C18;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#B8FF3C;
  --primary-dim:rgba(184,255,60,.35);
  --accent:#FF6A2B;
  --text-1:#EAEFE9;
  --text-2:#99A39B;
  --text-3:#6C756E;
  --radius-card:10px;
  --radius-btn:6px;
  --radius-img:8px;
  --shadow-1:0 1px 2px rgba(0,0,0,.6);
  --shadow-2:0 12px 32px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#0B0D0C;
  --bs-body-color:#EAEFE9;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#B8FF3C;
  --bs-link-color:#B8FF3C;
  --bs-link-hover-color:#d2ff7a;
  --bs-font-sans-serif:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:68px;
  background:var(--bg);
  color:var(--text-1);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:#d2ff7a;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--text-1);letter-spacing:-.02em;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1360px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:68px;
  background:rgba(11,13,12,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--primary-dim);
  transition:height .22s var(--ease),background .22s var(--ease);
}
.site-header.scrolled{height:56px;background:rgba(11,13,12,.95);}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border:1.5px solid var(--primary);border-radius:6px;
  position:relative;display:inline-block;box-shadow:0 0 8px rgba(184,255,60,.25);flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;left:8px;top:5px;width:8px;height:8px;
  border-left:2px solid var(--primary);border-top:2px solid var(--primary);transform:rotate(45deg);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--text-1);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:30px;margin:0 auto 0 28px;}
.nav-link{
  position:relative;color:#B4BDB5;font-size:15px;font-weight:500;padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--primary);box-shadow:0 0 8px var(--primary);
  transition:right .16s var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{right:0;}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{right:0;}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-cta{position:relative;}
@media (min-width:992px){
  .nav-cta::before{
    content:"";position:absolute;left:-14px;top:50%;height:22px;width:1px;
    background:var(--line-strong);transform:translateY(-50%);
  }
}
.nav-toggle{
  display:none;width:42px;height:36px;border:1px solid var(--primary-dim);border-radius:6px;
  background:transparent;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--primary);}
.nav-toggle:hover{border-color:var(--primary);box-shadow:0 0 8px rgba(184,255,60,.25);}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;z-index:1050;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .24s var(--ease);
  padding:24px 22px;display:flex;flex-direction:column;gap:6px;
  box-shadow:var(--shadow-2);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{background:transparent;border:1px solid var(--line-strong);color:var(--text-2);border-radius:6px;width:34px;height:34px;line-height:1;}
.drawer .nav-link{font-size:16px;padding:12px 0;border-bottom:1px solid var(--line);margin:0;}
.drawer .nav-link::after{display:none;}
.drawer .nav-link.active{color:var(--primary);}
.drawer-cta{margin-top:20px;}
.scrim{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:1040;opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease);
}
.scrim.show{opacity:1;pointer-events:auto;}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  padding:11px 20px;line-height:1.2;border:1px solid transparent;
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--primary);color:#0B0D0C;border-color:var(--primary);}
.btn-primary:hover{background:#c6ff5e;color:#0B0D0C;transform:translateY(-1px);box-shadow:0 0 8px rgba(184,255,60,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-soft{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-soft:hover{background:rgba(184,255,60,.1);color:var(--primary);transform:translateY(-1px);box-shadow:0 0 8px rgba(184,255,60,.3);}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text-1);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-sm{padding:8px 15px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;padding:4px 10px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--text-2);background:rgba(255,255,255,.03);
  white-space:nowrap;
}
.badge-accent{border-color:rgba(255,106,43,.55);color:var(--accent);}
.badge-primary{border-color:var(--primary-dim);color:var(--primary);}
.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--primary);display:inline-block;
  box-shadow:0 0 0 0 rgba(184,255,60,.6);animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(184,255,60,.55);}
  70%{box-shadow:0 0 0 8px rgba(184,255,60,0);}
  100%{box-shadow:0 0 0 0 rgba(184,255,60,0);}
}

/* ============ 文章头部 ============ */
.article-hero{
  padding:44px 0 34px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,13,12,.9),rgba(11,13,12,.98)),
             url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  margin:0 0 20px;max-width:22ch;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding-top:18px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);
}
.article-meta .rule{width:28px;height:1px;background:var(--primary);display:inline-block;}
.article-meta .tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 文章布局 ============ */
.article-wrap{padding:56px 0 72px;}
.article-layout{
  display:grid;grid-template-columns:216px minmax(0,756px);
  gap:56px;justify-content:center;align-items:start;
}
.article-layout.no-toc{grid-template-columns:minmax(0,756px);}
.article-toc{position:sticky;top:96px;}
.toc-title{
  font-size:12px;letter-spacing:.1em;color:var(--text-3);
  padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:70vh;overflow:auto;}
.toc-list a{
  display:block;font-size:13.5px;color:var(--text-2);padding:6px 10px;border-left:2px solid transparent;
  line-height:1.5;border-radius:0 6px 6px 0;
}
.toc-list a:hover{color:var(--text-1);background:rgba(255,255,255,.03);}
.toc-list a.toc-sub{padding-left:22px;font-size:12.5px;color:var(--text-3);}
.toc-list a.current{color:var(--primary);border-left-color:var(--primary);background:rgba(184,255,60,.06);}

.article-content{min-width:0;font-size:16.5px;line-height:1.9;color:var(--text-1);}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.2em;color:#DDE4DD;}
.article-content h2{
  position:relative;font-size:28px;font-weight:700;line-height:1.3;
  margin:48px 0 16px;padding-left:14px;scroll-margin-top:96px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.26em;width:4px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 8px rgba(184,255,60,.45);
}
.article-content h3{font-size:21px;font-weight:600;margin:32px 0 12px;scroll-margin-top:96px;}
.article-content h4{font-size:17.5px;font-weight:600;margin:24px 0 10px;color:var(--text-2);}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-content li{margin-bottom:.5em;line-height:1.8;}
.article-content strong{color:#fff;font-weight:700;}
.article-content blockquote{
  margin:26px 0;padding:18px 22px;background:var(--surface);
  border-left:3px solid var(--accent);border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content a{color:var(--text-1);border-bottom:1px dashed var(--primary);}
.article-content a:hover{color:var(--primary);border-bottom-style:solid;}
.article-content img{border-radius:var(--radius-img);border:1px solid var(--line);margin:22px 0;background:var(--card);}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-content code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
  background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:2px 6px;color:var(--primary);
}
.article-content pre{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px 18px;overflow-x:auto;margin:24px 0;
}
.article-content pre code{background:transparent;border:0;padding:0;color:#DDE4DD;}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  display:block;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);
}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-content th{background:var(--surface);color:var(--text-1);font-weight:600;white-space:nowrap;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

.article-empty{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:48px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.article-empty h2{font-size:24px;font-weight:700;margin:0 0 12px;}
.article-empty p{color:var(--text-2);margin:0 0 22px;}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 8px;border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:28px;font-weight:700;margin:0;}
.section-head .more{font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line-strong);padding-bottom:2px;}
.section-head .more:hover{color:var(--primary);border-color:var(--primary);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
.post-thumb{position:relative;aspect-ratio:4/3;background:var(--surface);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:0;}
.post-body h3 a{color:var(--text-1);}
.post-card:hover h3 a{color:var(--primary);}
.post-body p{font-size:14px;color:var(--text-2);margin:0;line-height:1.7;}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3);}
.post-link{font-size:13.5px;color:var(--primary);}

.back-entry{display:flex;justify-content:center;padding:56px 0 8px;}
.back-entry .btn{min-width:180px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:64px 0 28px;background:var(--surface);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;margin:0;max-width:34ch;}
.footer-title{font-size:13px;letter-spacing:.1em;color:var(--text-3);margin-bottom:16px;}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-2);font-size:14px;}
.footer-links a:hover{color:var(--primary);}
.footer-form .form-control{
  height:44px;background:rgba(255,255,255,.03);border:1px solid var(--line-strong);
  color:var(--text-1);border-radius:var(--radius-btn);font-size:14.5px;
}
.footer-form .form-control::placeholder{color:var(--text-3);}
.footer-form .form-control:focus{
  background:rgba(255,255,255,.05);border-color:var(--primary);color:var(--text-1);
  box-shadow:0 0 0 4px rgba(184,255,60,.14);
}
.form-feedback{font-size:13px;color:var(--primary);min-height:18px;margin-top:8px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 进入视口动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .24s var(--ease),transform .24s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,756px);}
  .article-toc{display:none;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-wrap{padding:44px 0 56px;}
  .related{padding:56px 0 8px;}
}
@media (max-width:767px){
  .card-grid{grid-template-columns:1fr;gap:20px;}
  .article-content h2{font-size:23px;margin-top:38px;}
  .article-content h3{font-size:19px;margin-top:26px;}
  .section-head h2{font-size:23px;}
  .site-footer{margin-top:64px;padding:48px 0 24px;}
}
@media (max-width:575px){
  body{padding-top:60px;font-size:15.5px;}
  .site-header{height:60px;}
  .article-title{font-size:30px;}
  .article-hero{padding:32px 0 26px;}
  .article-content{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .back-entry .btn{width:100%;}
  .nav-cta{display:none;}
  .crumbs .current{max-width:100%;white-space:normal;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --accent:#B8FF3C;
  --accent-2:#FF6A2B;
  --bg:#0B0D0C;
  --surface:#141815;
  --card:#171C18;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#EAEFE9;
  --text-2:#99A39B;
  --text-3:#6C756E;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 1px 2px rgba(0,0,0,.6), 0 12px 32px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(184,255,60,.5), 0 0 10px rgba(184,255,60,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-border-color:var(--line);
  --bs-primary:#B8FF3C;
  --bs-link-color:#B8FF3C;
  --bs-link-hover-color:#caff72;
  --bs-font-sans-serif:"HarmonyOS Sans","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--nav-h);
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .2s var(--ease),text-underline-offset .2s var(--ease)}
a:hover{color:#d3ff7d;text-decoration:underline;text-underline-offset:4px}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.02em}
p{margin:0 0 1.2em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--nav-h);
  background:rgba(11,13,12,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(184,255,60,.35);
  transition:height .22s var(--ease),background .22s var(--ease);
}
.site-header.shrink{height:56px;background:rgba(11,13,12,.95)}
.header-inner{display:flex;align-items:center;height:100%;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:24px;height:24px;border-radius:6px;flex:0 0 auto;
  border:1px solid var(--accent);
  background:linear-gradient(140deg,rgba(184,255,60,.28),rgba(184,255,60,0) 62%);
  box-shadow:0 0 8px rgba(184,255,60,.35);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border-radius:2px;background:var(--accent);opacity:.85;
}
.brand-text{font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.brand-text em{font-style:normal;color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;font-size:15px;font-weight:500;color:#B4BDB5;
  border-radius:var(--radius-sm);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .16s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--text);text-decoration:none}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{transform:scaleX(1);box-shadow:0 0 8px rgba(184,255,60,.9)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;padding-left:14px;border-left:1px solid var(--line-strong)}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:var(--radius-sm);
  background:transparent;border:1px solid rgba(184,255,60,.55);color:var(--accent);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{box-shadow:0 0 8px rgba(184,255,60,.35)}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);z-index:1100;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(103%);transition:transform .26s var(--ease);
  padding:26px 22px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{background:transparent;border:1px solid var(--line-strong);color:var(--text-2);width:34px;height:34px;border-radius:var(--radius-sm);cursor:pointer}
.drawer-nav a{
  display:block;padding:14px 12px;border-radius:var(--radius-sm);color:#B4BDB5;font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--text);background:rgba(255,255,255,.03);text-decoration:none}
.drawer-nav a.active{color:var(--text);font-weight:700;box-shadow:inset 3px 0 0 var(--accent);background:rgba(184,255,60,.05)}
.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1050;opacity:0;visibility:hidden;transition:opacity .24s var(--ease)}
.drawer-backdrop.open{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:15px;font-weight:700;
  padding:11px 20px;border-radius:var(--radius-sm);
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  text-decoration:none;line-height:1.2;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--accent);color:#0B0D0C;border-color:var(--accent)}
.btn-primary:hover{background:#c6ff5e;color:#0B0D0C;box-shadow:0 0 8px rgba(184,255,60,.5),var(--shadow)}
.btn-ghost{background:transparent;color:var(--accent);border-color:rgba(184,255,60,.55)}
.btn-ghost:hover{color:var(--accent);background:rgba(184,255,60,.07);box-shadow:0 0 8px rgba(184,255,60,.3)}
.btn-soft{background:var(--card);color:var(--text);border-color:var(--line-strong)}
.btn-soft:hover{color:var(--text);border-color:var(--accent);box-shadow:0 0 8px rgba(184,255,60,.22)}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--surface)}
.page-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;filter:saturate(.75);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,.72),rgba(11,13,12,.92) 62%,var(--bg));
}
.hero-inner{position:relative;z-index:2;padding:72px 24px 64px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--accent);border:1px solid rgba(184,255,60,.45);
  padding:5px 12px;border-radius:999px;background:rgba(184,255,60,.06);
  margin-bottom:18px;text-transform:uppercase;
}
.page-hero h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.15;max-width:16em}
.hero-sub{margin-top:16px;font-size:17px;color:var(--text-2);max-width:44em}
.hero-rule{width:64px;height:1px;background:var(--accent);margin:26px 0 24px;box-shadow:0 0 8px rgba(184,255,60,.6)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- Badges ---------- */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:4px 10px;border-radius:4px;
  background:rgba(255,255,255,.03);border:1px solid var(--line-strong);color:var(--text-2);
}
.badge-tag.accent{border-color:rgba(184,255,60,.55);color:var(--accent)}
.badge-tag.warm{border-color:rgba(255,106,43,.6);color:#ff9a68}

/* ---------- Doc layout ---------- */
.section-pad{padding:88px 0}
.section-pad-sm{padding:64px 0}
.doc-layout{display:grid;grid-template-columns:236px 1fr;gap:56px;align-items:start}
.doc-index{position:sticky;top:100px}
.doc-index .index-title{
  font-size:12px;letter-spacing:.08em;color:var(--text-3);font-weight:700;
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.doc-index a{
  display:block;font-size:14.5px;color:var(--text-2);padding:9px 12px;border-radius:var(--radius-sm);
  border-left:2px solid transparent;
}
.doc-index a:hover{color:var(--text);background:rgba(255,255,255,.03);text-decoration:none;border-left-color:var(--line-strong)}
.doc-index a.active{color:var(--text);border-left-color:var(--accent);background:rgba(184,255,60,.05);box-shadow:-2px 0 8px -4px rgba(184,255,60,.8)}
.doc-index .btn{margin-top:18px;width:100%}

.doc-body h2{
  font-size:clamp(24px,2.4vw,32px);font-weight:700;line-height:1.25;
  padding-left:14px;border-left:4px solid var(--accent);
  margin:56px 0 18px;
}
.doc-body h2:first-of-type{margin-top:0}
.doc-body h3{font-size:20px;font-weight:600;margin:32px 0 12px}
.doc-body p{color:var(--text-2);font-size:16.5px}
.doc-body strong{color:var(--text)}
.doc-block{margin-bottom:8px}

/* number list */
.tick-list{border-top:1px solid var(--line);margin:22px 0 26px}
.tick-item{
  display:flex;gap:20px;padding:18px 12px 18px 10px;border-bottom:1px solid var(--line);
  position:relative;transition:transform .22s var(--ease),background .22s var(--ease);
}
.tick-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--accent);
  opacity:0;transition:opacity .22s var(--ease);
}
.tick-item:hover{transform:translateX(4px);background:rgba(255,255,255,.02)}
.tick-item:hover::before{opacity:1}
.tick-num{
  flex:0 0 32px;font-size:15px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;padding-top:2px;
}
.tick-body h3{margin:0 0 6px;font-size:17.5px;font-weight:600}
.tick-body p{margin:0;font-size:15px;color:var(--text-2);line-height:1.8}

/* figure */
.doc-figure{margin:26px 0 30px}
.doc-figure img{width:100%;border-radius:8px;object-fit:cover;aspect-ratio:16/9;background:var(--card);border:1px solid var(--line)}
.doc-figure figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}

/* compare grid */
.compare{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:24px 0 28px;
  background:var(--card);
}
.compare-col{padding:22px 20px;border-right:1px solid var(--line)}
.compare-col:last-child{border-right:0}
.compare-col h3{margin:0 0 10px;font-size:18px;font-weight:600;display:flex;align-items:center;gap:8px}
.compare-col h3 i{color:var(--accent);font-size:15px}
.compare-col ul li{
  font-size:14.5px;color:var(--text-2);padding:7px 0 7px 16px;position:relative;border-top:1px solid var(--line);
}
.compare-col ul li:first-child{border-top:0}
.compare-col ul li::before{content:"";position:absolute;left:0;top:15px;width:5px;height:5px;border-radius:1px;background:var(--accent-2)}
.compare-col .col-scene{font-size:13px;color:var(--text-3);margin-top:12px;display:block}

/* timeline */
.timeline{position:relative;margin:24px 0 30px;padding-left:26px;border-left:1px solid var(--line)}
.timeline-item{position:relative;padding-bottom:24px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-31px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--bg);border:2px solid var(--accent);
}
.timeline-item .t-time{font-size:13px;color:var(--accent-2);font-weight:700;letter-spacing:.04em;font-variant-numeric:tabular-nums}
.timeline-item h3{margin:4px 0 6px;font-size:17px;font-weight:600}
.timeline-item p{margin:0;font-size:15px;color:var(--text-2)}

/* note */
.note-box{
  border:1px solid var(--line);border-left:3px solid var(--accent-2);
  background:var(--card);border-radius:var(--radius);padding:18px 20px;margin:24px 0;font-size:15px;color:var(--text-2);
}
.note-box strong{color:var(--text)}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto}
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius)!important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--text);font-size:17px;font-weight:600;
  padding:20px 22px;font-family:inherit;box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:rgba(184,255,60,.05);color:var(--text)}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:14px;color:var(--accent);
  transition:transform .3s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{padding:4px 22px 22px;color:var(--text-2);font-size:15.5px;line-height:1.9;border-top:1px solid var(--line)}

/* CTA */
.cta-band{border-top:1px solid var(--accent);background:var(--surface);padding:44px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.2vw,28px);font-weight:700;margin-bottom:8px}
.cta-inner p{margin:0;color:var(--text-2);font-size:15.5px;max-width:52em}

/* cross links */
.cross-band{padding:56px 0;border-top:1px solid var(--line)}
.cross-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cross-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cross-card:hover{transform:translateY(-4px);border-color:var(--accent-2);box-shadow:var(--shadow)}
.cross-card h3{font-size:19px;font-weight:600;margin:10px 0 8px}
.cross-card p{font-size:14.5px;color:var(--text-2);margin-bottom:16px}
.cross-card.current{border-color:rgba(184,255,60,.5)}
.cross-card.current:hover{transform:none;border-color:rgba(184,255,60,.5)}

/* forms */
.form-control{
  width:100%;height:44px;background:#101410;border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);color:var(--text);font-size:15px;font-family:inherit;
  padding:0 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{background:#101410;border-color:var(--accent);box-shadow:0 0 0 4px rgba(184,255,60,.16);color:var(--text);outline:none}
.form-feedback{font-size:13px;color:var(--accent);margin-top:10px;min-height:18px}
.form-feedback.error{color:var(--accent-2)}
.form-check-input{background-color:#101410;border-color:var(--line-strong)}
.form-check-input:checked{background-color:var(--accent);border-color:var(--accent)}
.form-check-label{font-size:14.5px;color:var(--text-2)}

/* Footer */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:14.5px;color:var(--text-2);max-width:32em}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);font-weight:700;margin-bottom:16px;text-transform:uppercase}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--accent);text-decoration:none}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .24s var(--ease),transform .24s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (max-width:1199.98px){
  .doc-layout{grid-template-columns:1fr;gap:32px}
  .doc-index{position:static;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
  .doc-index .index-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
  .doc-index a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent}
  .doc-index a.active{border-bottom-color:var(--accent);border-left:0;box-shadow:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions{border-left:0;padding-left:0}
  .section-pad{padding:64px 0}
  .compare{grid-template-columns:1fr}
  .compare-col{border-right:0;border-bottom:1px solid var(--line)}
  .compare-col:last-child{border-bottom:0}
}
@media (max-width:575.98px){
  body{font-size:16px;padding-top:56px}
  .site-header{height:56px}
  .brand-text{font-size:16px}
  .container{padding:0 18px}
  .hero-inner{padding:48px 18px 44px}
  .page-hero h1{font-size:30px}
  .section-pad{padding:52px 0}
  .doc-body h2{margin-top:42px}
  .cross-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .header-actions .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}