/* roulang page: index */
:root{
  --bg-0:#0B0D10;
  --bg-1:#12151A;
  --bg-2:#1A1F26;
  --bg-3:#232A33;
  --brand:#A6F32B;
  --brand-deep:#7FCC12;
  --accent:#7A5CFF;
  --warn:#FF7A2F;
  --tx-1:#F2F5F7;
  --tx-2:#A8B0BA;
  --tx-3:#6C757F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --paper:#F5F7F3;
  --paper-tx:#16191F;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{color:var(--tx-1);letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px}
::selection{background:rgba(166,243,43,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-0)}
::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:8px;border:2px solid var(--bg-0)}
::-webkit-scrollbar-thumb:hover{background:#313A45}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--brand);color:#0B0D10}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(166,243,43,.18)}
.btn--primary:active{transform:translateY(0);box-shadow:none}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--tx-1)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--outline-violet{background:transparent;border-color:rgba(122,92,255,.45);color:#C0B3FF}
.btn--outline-violet:hover{border-color:var(--accent);color:#D8CFFF;background:rgba(122,92,255,.1)}
.btn--sm{height:38px;padding:0 18px;font-size:14px;border-radius:999px}
.btn--full{width:100%}
.btn[disabled]{background:var(--bg-3);color:var(--tx-3);cursor:not-allowed;border-color:var(--line)}
.btn[disabled]:hover{transform:none;background:var(--bg-3);color:var(--tx-3)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap}
.link-more i{font-style:normal;transition:transform .2s var(--ease)}
.link-more:hover i{transform:translateX(3px)}

/* ---------- 公告条 ---------- */
.announce{background:#151A12;border-bottom:1px solid rgba(166,243,43,.18)}
.announce__inner{display:flex;align-items:center;gap:12px;min-height:40px;padding-top:6px;padding-bottom:6px}
.announce__dot{flex:0 0 7px;width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(166,243,43,.14)}
.announce p{flex:1 1 auto;font-size:13px;color:#CBD9B4;line-height:1.6}
.announce__close{flex:0 0 auto;width:28px;height:28px;border:0;background:transparent;color:var(--tx-3);font-size:18px;line-height:1;border-radius:8px;cursor:pointer;transition:color .18s var(--ease),background-color .18s var(--ease)}
.announce__close:hover{color:var(--tx-1);background:rgba(255,255,255,.06)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(11,13,16,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:24px;height:24px;border-radius:8px;background:var(--brand);color:#0B0D10;
  display:grid;place-items:center;font-size:13px;font-weight:900;line-height:1;
  box-shadow:0 0 0 4px rgba(166,243,43,.1);
}
.logo__text{font-size:17px;font-weight:800;color:var(--tx-1);letter-spacing:-.01em;white-space:nowrap}
.nav__channels{display:flex;align-items:center;gap:26px;flex:1 1 auto;min-width:0;margin-left:6px}
.nav__channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--tx-2);
  padding:6px 0;white-space:nowrap;transition:color .15s var(--ease);
}
.nav__channels a::after{
  content:"";position:absolute;left:50%;bottom:-4px;width:18px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:translate(-50%,6px);
  transition:opacity .18s var(--ease),transform .18s var(--ease);
}
.nav__channels a:hover{color:var(--tx-1)}
.nav__channels a.is-active{color:var(--tx-1);font-weight:650}
.nav__channels a.is-active::after{opacity:1;transform:translate(-50%,0)}
.nav__actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav__search{position:relative;display:flex;align-items:center}
.nav__search svg{position:absolute;left:12px;width:15px;height:15px;color:var(--tx-3);pointer-events:none}
.nav__search input{
  width:216px;height:38px;border-radius:999px;background:var(--bg-3);
  border:1px solid var(--line);padding:0 16px 0 34px;font-size:13px;color:var(--tx-1);
  outline:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav__search input::placeholder{color:var(--tx-3)}
.nav__search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.15)}
.nav__toggle{
  display:none;width:44px;height:44px;border-radius:10px;background:var(--bg-3);
  border:1px solid var(--line);color:var(--tx-1);align-items:center;justify-content:center;cursor:pointer;
}
.nav__toggle:hover{border-color:var(--line-strong)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:130;pointer-events:none}
.drawer__mask{position:absolute;inset:0;background:rgba(5,7,9,.72);opacity:0;transition:opacity .24s var(--ease)}
.drawer__panel{
  position:absolute;top:0;right:0;width:78%;max-width:340px;height:100%;
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:22px 20px 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s var(--ease);
}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer__mask{opacity:1}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer__close{width:38px;height:38px;border-radius:10px;background:var(--bg-3);border:1px solid var(--line);color:var(--tx-1);font-size:20px;line-height:1;cursor:pointer}
.drawer__list{margin-top:14px;display:grid;gap:4px}
.drawer__list a{
  display:block;position:relative;padding:13px 12px 13px 16px;border-radius:10px;
  font-size:15px;color:var(--tx-2);transition:background-color .18s var(--ease),color .18s var(--ease);
}
.drawer__list a:hover{background:var(--bg-2);color:var(--tx-1)}
.drawer__list a.is-active{color:var(--tx-1);font-weight:650;background:var(--bg-2)}
.drawer__list a.is-active::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--brand)}
.drawer__cta{margin-top:22px;display:grid;gap:10px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero__bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center right/cover no-repeat;opacity:.24}
.hero__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,16,.62) 0%,rgba(11,13,16,.9) 62%,var(--bg-0) 100%)}
.hero__grid{position:relative;z-index:3;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding-top:68px;padding-bottom:80px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(166,243,43,.1);border:1px solid rgba(166,243,43,.28);
  color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin-top:22px;max-width:15em}
.hero__sub{margin-top:18px;font-size:17px;line-height:1.75;color:var(--tx-2);max-width:34em}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero__tags li{
  font-size:13px;font-weight:500;color:var(--tx-2);
  border:1px solid var(--line);background:var(--bg-1);border-radius:999px;padding:6px 14px;
}

/* 入口面板 */
.entry-panel{
  position:relative;border-radius:var(--r-panel);border:1px solid var(--line-strong);
  background:var(--bg-2);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.6);
}
.entry-panel__bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;opacity:.18}
.entry-panel__veil{position:absolute;inset:0;background:linear-gradient(155deg,rgba(26,31,38,.94),rgba(18,21,26,.98))}
.entry-panel__body{position:relative;z-index:2;padding:30px 28px 26px}
.entry-panel__cut{position:absolute;right:0;top:0;width:64px;height:1px;background:var(--brand);transform:rotate(45deg);transform-origin:right top;z-index:3}
.entry-panel h3{font-size:19px;font-weight:650;line-height:1.4}
.entry-panel__desc{margin-top:10px;font-size:14px;line-height:1.7;color:var(--tx-2)}
.entry-form__row{display:flex;gap:10px;margin-top:18px}
.entry-form input{
  flex:1 1 auto;min-width:0;height:48px;border-radius:var(--r-input);background:var(--bg-3);
  border:1px solid var(--line);padding:0 16px;font-size:14px;color:var(--tx-1);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.entry-form input::placeholder{color:var(--tx-3)}
.entry-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.15)}
.entry-form .btn{height:48px;padding:0 22px;flex:0 0 auto;font-size:14px}
.form-msg{margin-top:10px;font-size:13px;color:var(--brand);min-height:20px}
.form-msg.is-error{color:var(--warn)}
.entry-panel__stats{margin-top:20px;border-top:1px solid var(--line);padding-top:6px}
.entry-panel__stats li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0;font-size:13px;color:var(--tx-3)}
.entry-panel__stats li strong{color:var(--tx-1);font-weight:650;font-variant-numeric:tabular-nums}

/* ---------- 通用区块 ---------- */
.section{padding-top:84px}
.section--tight{padding-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.28;letter-spacing:-.01em}
.section-head p{margin-top:10px;font-size:15px;line-height:1.7;color:var(--tx-2);max-width:56em}
.section-head__aside{flex:0 0 auto;padding-bottom:6px}
.divider{height:1px;background:var(--line);border:0;margin:84px 0 0}

/* ---------- 指标看板 ---------- */
.metrics__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{
  position:relative;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 24px 22px;overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.metric-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.metric-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 12px 32px rgba(0,0,0,.5)}
.metric-card:hover::before{transform:scaleX(1)}
.metric-card__value{
  font-size:clamp(34px,3.2vw,50px);font-weight:800;line-height:1;color:var(--brand);
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.metric-card__value small{font-size:16px;font-weight:700;margin-left:4px}
.metric-card__label{margin-top:14px;font-size:15px;font-weight:600;color:var(--tx-1)}
.metric-card__trend{margin-top:8px;font-size:13px;color:var(--tx-3)}
.metric-card__trend b{color:var(--warn);font-weight:600}
.metric-card__bars{display:flex;align-items:flex-end;gap:5px;height:34px;margin-top:18px}
.metric-card__bars i{display:block;width:4px;border-radius:2px;background:var(--bg-3)}
.metric-card__bars i.is-max{background:var(--brand)}

/* ---------- 服务矩阵 ---------- */
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 14px 34px rgba(0,0,0,.52)}
.svc-card__icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(166,243,43,.12);border:1px solid rgba(166,243,43,.3);color:var(--brand);
}
.svc-card__icon svg{width:20px;height:20px}
.svc-card__icon--violet{background:rgba(122,92,255,.14);border-color:rgba(122,92,255,.35);color:#B9A8FF}
.svc-card h3{margin-top:18px;font-size:18px;font-weight:650;line-height:1.4}
.svc-card__desc{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--tx-2)}
.svc-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12px;font-weight:500;color:var(--tx-2);background:var(--bg-3);
  border:1px solid var(--line);border-radius:6px;padding:4px 10px;letter-spacing:.02em;
}
.svc-card__more{
  margin-top:auto;padding-top:20px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.svc-card__more i{font-style:normal;transition:transform .2s var(--ease)}
.svc-card:hover .svc-card__more i{transform:translateX(3px)}

/* ---------- 流程 ---------- */
.flow__wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.flow__list{position:relative;padding-left:34px}
.flow__list::before{content:"";position:absolute;left:5px;top:12px;bottom:12px;width:2px;background:var(--line)}
.flow__item{position:relative;padding-bottom:34px}
.flow__item:last-child{padding-bottom:0}
.flow__item::before{
  content:"";position:absolute;left:-34px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px rgba(166,243,43,.14);
}
.flow__step{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.06em}
.flow__item h3{margin-top:8px;font-size:18px;font-weight:650;line-height:1.4}
.flow__item p{margin-top:8px;font-size:15px;line-height:1.75;color:var(--tx-2)}
.flow__media{
  border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-2);position:relative;
}
.flow__media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.flow__media figcaption{
  padding:16px 20px;font-size:13.5px;color:var(--tx-3);line-height:1.7;
  border-top:1px solid var(--line);background:var(--bg-1);
}

/* ---------- 结果对比 ---------- */
.compare__panel{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-panel);padding:30px 32px 22px}
.compare__head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}
.compare__head h3{font-size:18px;font-weight:650}
.compare__filters{display:flex;gap:8px;flex-wrap:wrap}
.compare__filters span{
  font-size:12.5px;font-weight:500;color:var(--tx-2);background:var(--bg-3);
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;letter-spacing:.02em;
}
.compare__filters span.is-on{color:#0B0D10;background:var(--brand);border-color:var(--brand);font-weight:700}
.compare__row{
  display:grid;grid-template-columns:172px 1fr 84px;gap:22px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.compare__row:last-child{border-bottom:0}
.compare__name{font-size:15px;font-weight:600;color:var(--tx-1);line-height:1.5}
.compare__bars{display:grid;gap:8px;min-width:0}
.bar{position:relative;height:26px;border-radius:8px;display:flex;align-items:center;min-width:70px;overflow:hidden}
.bar--old{background:var(--bg-3);border:1px solid var(--line)}
.bar--new{background:linear-gradient(90deg,rgba(166,243,43,.95),rgba(166,243,43,.55))}
.bar em{font-style:normal;font-size:12px;font-weight:600;padding:0 10px;white-space:nowrap}
.bar--old em{color:var(--tx-2)}
.bar--new em{color:#0B0D10}
.compare__delta{
  font-size:14px;font-weight:700;color:var(--brand);text-align:right;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}

/* ---------- 资讯列表 ---------- */
.news__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 12px 32px rgba(0,0,0,.5)}
.news-card__link{display:flex;gap:16px;padding:18px}
.news-card__thumb{
  flex:0 0 96px;width:96px;height:72px;border-radius:12px;overflow:hidden;background:var(--bg-3);
}
.news-card__thumb img{width:100%;height:100%;object-fit:cover}
.news-card__body{min-width:0;display:flex;flex-direction:column}
.news-card__title{
  margin-top:8px;font-size:15.5px;font-weight:650;color:var(--tx-1);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s var(--ease);
}
.news-card:hover .news-card__title{color:var(--brand)}
.news-card__desc{
  margin-top:6px;font-size:13.5px;line-height:1.65;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--tx-3);
}
.news-card__more{color:var(--brand);font-weight:600}
.chip{
  align-self:flex-start;display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  letter-spacing:.02em;color:#B9A8FF;background:rgba(122,92,255,.14);
  border:1px solid rgba(122,92,255,.34);border-radius:6px;padding:3px 9px;white-space:nowrap;
}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;background:var(--bg-1);
  border:1px dashed var(--line-strong);border-radius:var(--r-panel);
}
.news-empty svg{width:36px;height:36px;color:var(--tx-3)}
.news-empty p{font-size:15px;color:var(--tx-2)}

/* ---------- 使用场景 ---------- */
.scene__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 14px 34px rgba(0,0,0,.52)}
.scene-card__media{position:relative;overflow:hidden}
.scene-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.scene-card:hover .scene-card__media img{transform:scale(1.04)}
.scene-card__body{padding:22px 24px 24px}
.scene-card__body h3{font-size:17px;font-weight:650;line-height:1.4}
.scene-card__body p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--tx-2)}
.scene-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- FAQ ---------- */
.faq__list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:650;color:var(--tx-1);line-height:1.5;
}
.faq-item__q:hover{color:var(--brand)}
.faq-item__icon{
  position:relative;flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(166,243,43,.5);transition:transform .22s var(--ease);
}
.faq-item__icon::before,.faq-item__icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);
  transform:translate(-50%,-50%);transition:opacity .22s var(--ease);
}
.faq-item__icon::before{width:12px;height:2px}
.faq-item__icon::after{width:2px;height:12px}
.faq-item.is-open .faq-item__icon{transform:rotate(180deg)}
.faq-item.is-open .faq-item__icon::after{opacity:0}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-item__a p{padding-bottom:22px;font-size:15px;line-height:1.8;color:var(--tx-2);max-width:46em}

/* ---------- 转化表单 ---------- */
.contact__grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.contact__points{margin-top:26px;border-top:1px solid var(--line)}
.contact__points li{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.7;color:var(--tx-2)}
.contact__points svg{flex:0 0 18px;width:18px;height:18px;margin-top:5px;color:var(--brand)}
.contact__meta{margin-top:24px;display:grid;gap:8px;font-size:13.5px;color:var(--tx-3)}
.contact__meta strong{color:var(--tx-1);font-weight:650}
.form-panel{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-panel);padding:32px}
.form-field{margin-bottom:18px}
.form-field:last-of-type{margin-bottom:8px}
.form-field label{display:block;font-size:13px;color:var(--tx-2);margin-bottom:8px}
.form-field .req{color:var(--warn)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-input);
  padding:13px 16px;font-size:15px;color:var(--tx-1);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.form-field input,.form-field select{height:48px;padding:0 16px}
.form-field textarea{min-height:112px;resize:vertical;line-height:1.7}
.form-field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236C757F' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat:no-repeat;background-position:right 16px center;
  padding-right:42px;
}
.form-field select option{background:var(--bg-2);color:var(--tx-1)}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--tx-3)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.15);
}
.form-field__err{display:none;margin-top:8px;font-size:13px;color:var(--warn)}
.form-field.has-error input,.form-field.has-error select,.form-field.has-error textarea{border-color:var(--warn)}
.form-field.has-error .form-field__err{display:block}
.form-note{margin-top:14px;font-size:12.5px;color:var(--tx-3);line-height:1.7}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-input);
  background:rgba(166,243,43,.1);border:1px solid rgba(166,243,43,.3);
  color:#D5F79B;font-size:14px;line-height:1.7;
}
.form-success.is-visible{display:block}

/* ---------- 底部 CTA 带 ---------- */
.cta-band{
  margin-top:84px;border-radius:var(--r-panel);border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(26,31,38,.96),rgba(18,21,26,.98));
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(166,243,43,.16),transparent 68%);
}
.cta-band__text{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:10px;font-size:15px;color:var(--tx-2);max-width:46em}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#080A0C;border-top:1px solid var(--line);margin-top:96px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:56px 0 40px}
.footer__brand{display:flex;align-items:center;gap:10px}
.footer__desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--tx-2);max-width:30em}
.footer h4{font-size:14px;font-weight:700;color:var(--tx-1);letter-spacing:.02em;margin-bottom:16px}
.footer__list{display:grid;gap:10px}
.footer__list a{font-size:14px;color:var(--tx-2);transition:color .18s var(--ease)}
.footer__list a:hover{color:var(--brand)}
.footer__bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.footer__bottom a{color:var(--tx-3)}
.footer__bottom a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container{max-width:1120px}
}
@media (max-width:1199px){
  .hero__grid{grid-template-columns:1fr;gap:40px;padding-top:56px;padding-bottom:64px}
  .hero h1{max-width:20em}
  .metrics__grid{grid-template-columns:repeat(2,1fr)}
  .services__grid{grid-template-columns:repeat(2,1fr)}
  .news__grid{grid-template-columns:repeat(2,1fr)}
  .scene__grid{grid-template-columns:repeat(2,1fr)}
  .flow__wrap{grid-template-columns:1fr;gap:36px}
  .contact__grid{grid-template-columns:1fr;gap:32px}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1100px){
  .nav__search input{width:160px}
}
@media (max-width:991px){
  .nav__channels{display:none}
  .nav__search{display:none}
  .nav__toggle{display:inline-flex}
  .compare__row{grid-template-columns:140px 1fr 72px;gap:16px}
  .compare__panel{padding:24px 22px 16px}
  .cta-band{padding:34px 26px}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding-top:54px}
  .section--tight{padding-top:48px}
  .divider{margin-top:54px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .hero__grid{padding-top:44px;padding-bottom:52px}
  .hero__sub{font-size:16px}
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{width:100%}
  .entry-panel__body{padding:24px 20px 22px}
  .entry-form__row{flex-direction:column}
  .entry-form .btn{width:100%}
  .metrics__grid,.services__grid,.news__grid,.scene__grid{grid-template-columns:1fr}
  .svc-card,.metric-card{padding:22px 20px}
  .compare__row{grid-template-columns:1fr;gap:10px;padding:16px 0}
  .compare__delta{text-align:left}
  .news-card__link{flex-direction:column;gap:14px}
  .news-card__thumb{flex:0 0 auto;width:100%;height:160px}
  .faq-item__q{font-size:15.5px;padding:18px 0}
  .form-panel{padding:22px 20px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer__grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .site-footer{margin-top:64px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .logo__text{font-size:15px}
  .faq-item__q span{font-size:15px}
  .form-field input,.form-field select{height:46px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .metric-card:hover,.svc-card:hover,.news-card:hover,.scene-card:hover,.btn:hover{transform:none!important;box-shadow:none!important}
}

/* roulang page: article */
:root{
  --bg-0:#0B0D10;
  --bg-1:#12151A;
  --bg-2:#1A1F26;
  --bg-3:#232A33;
  --brand:#A6F32B;
  --brand-deep:#7FCC12;
  --accent:#7A5CFF;
  --warn:#FF7A2F;
  --tx-1:#F2F5F7;
  --tx-2:#A8B0BA;
  --tx-3:#6C757F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --paper:#F5F7F3;
  --paper-tx:#16191F;
  --paper-tx-2:#4A5158;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 2px 0 rgba(0,0,0,.4);
  --shadow-hover:0 12px 32px rgba(0,0,0,.5);
  --font:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-2);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(166,243,43,.28);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-1);}
::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:6px;}
::-webkit-scrollbar-thumb:hover{background:#2E3742;}

.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- NAV ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,13,16,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:20px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{
  width:28px;height:28px;border-radius:9px;
  background:var(--brand);color:#0B0D10;
  display:grid;place-items:center;
  font-size:15px;font-weight:800;line-height:1;
}
.logo__text{color:var(--tx-1);font-size:16px;font-weight:800;letter-spacing:-.01em;}
.nav__channels{display:flex;align-items:center;gap:26px;margin-left:12px;}
.nav__channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--tx-2);
  padding:6px 0;transition:color .15s var(--ease);white-space:nowrap;
}
.nav__channels a::after{
  content:"";position:absolute;left:0;bottom:0;width:18px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav__channels a:hover{color:var(--tx-1);}
.nav__channels a.is-active{color:var(--tx-1);}
.nav__channels a.is-active::after{transform:scaleX(1);}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav__search{
  position:relative;width:220px;
}
.nav__search svg{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:15px;height:15px;stroke:var(--tx-3);fill:none;stroke-width:2;
}
.nav__search input{
  width:100%;height:38px;border-radius:999px;
  background:var(--bg-3);border:1px solid var(--line);
  padding:0 16px 0 34px;font-size:13px;color:var(--tx-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav__search input::placeholder{color:var(--tx-3);}
.nav__search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.14);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#0B0D10;}
.btn--primary:hover{background:#B6FF3F;transform:translateY(-2px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--tx-1);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn--accent{background:transparent;border-color:rgba(122,92,255,.55);color:#B9A8FF;}
.btn--accent:hover{border-color:var(--accent);color:#CDBFFF;transform:translateY(-2px);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;border-radius:999px;}
.btn--full{width:100%;}
.nav__burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--bg-3);border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav__burger span{display:block;width:16px;height:2px;background:var(--tx-1);border-radius:2px;position:relative;}
.nav__burger span::before,.nav__burger span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--tx-1);border-radius:2px;
}
.nav__burger span::before{top:-5px;}
.nav__burger span::after{top:5px;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:78%;max-width:340px;z-index:80;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .24s var(--ease);
  padding:24px;display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer__close{
  width:44px;height:44px;border-radius:12px;background:var(--bg-3);
  border:1px solid var(--line);color:var(--tx-1);font-size:20px;cursor:pointer;line-height:1;
}
.drawer a{
  padding:14px 12px;border-radius:10px;font-size:16px;color:var(--tx-2);
  display:flex;align-items:center;gap:10px;min-height:44px;
}
.drawer a:hover{background:var(--bg-2);color:var(--tx-1);}
.drawer a.is-active{color:var(--tx-1);box-shadow:inset 3px 0 0 var(--brand);background:var(--bg-2);}
.drawer__mask{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease);
}
.drawer__mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- PAGE HEAD ---------- */
.page-head{
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  padding:32px 0 40px;
  position:relative;overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.14;pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 32px);
  opacity:.35;
  mask-image:linear-gradient(180deg,#000,transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 78%);
}
.page-head .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:20px;}
.crumb a{color:var(--tx-2);transition:color .18s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-style:normal;color:var(--tx-3);opacity:.7;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--tx-3);}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--tx-3);display:inline-block;}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(122,92,255,.14);border:1px solid rgba(122,92,255,.4);color:#C0B2FF;
}
.chip--brand{background:rgba(166,243,43,.12);border-color:rgba(166,243,43,.4);color:var(--brand);}
.chip--warn{background:rgba(255,122,47,.14);border-color:rgba(255,122,47,.42);color:var(--warn);}

h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--tx-1);
  max-width:900px;
}

/* ---------- ARTICLE BODY ---------- */
.article-wrap{padding:56px 0 72px;}
.article-panel{
  max-width:780px;margin:0 auto;
  background:var(--paper);color:var(--paper-tx);
  border-radius:var(--r-panel);
  padding:48px;
  box-shadow:0 18px 48px rgba(0,0,0,.45);
}
.article-body{font-size:17px;line-height:1.9;color:var(--paper-tx);}
.article-body p{margin:0 0 22px;}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.2vw,26px);font-weight:800;line-height:1.35;
  color:var(--paper-tx);margin:44px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:18px;border-radius:2px;background:var(--brand-deep);
}
.article-body h3{font-size:19px;font-weight:700;color:var(--paper-tx);margin:32px 0 12px;}
.article-body a{color:#3E7B08;border-bottom:1px solid rgba(62,123,8,.35);}
.article-body a:hover{border-bottom-color:#3E7B08;}
.article-body img{border-radius:12px;margin:20px 0 10px;width:100%;height:auto;object-fit:cover;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:#6E7681;margin-top:10px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--brand-deep);
}
.article-body ol{counter-reset:item;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:item;}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:3px;
  width:20px;height:20px;border-radius:6px;background:rgba(127,204,18,.16);color:#3E7B08;
  font-size:12px;font-weight:800;display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--brand-deep);
  background:#EAEDE6;border-radius:0 12px 12px 0;color:#3B4249;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid #D8DCD2;padding:11px 14px;text-align:left;}
.article-body thead th{background:#E6EAE1;font-weight:700;color:var(--paper-tx);}
.article-body tbody tr:nth-child(even){background:#F0F2ED;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:#E6EAE1;padding:2px 6px;border-radius:6px;color:#2A3038;
}
.article-body pre{
  background:#E6EAE1;padding:16px;border-radius:12px;overflow-x:auto;margin:0 0 22px;
}
.article-body pre code{background:none;padding:0;}
.article-body strong{color:#000;font-weight:800;}

.article-foot{padding-top:32px;border-top:1px solid var(--line);margin-top:0;}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.article-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}

.notice{
  max-width:780px;margin:0 auto;text-align:center;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:56px 28px;
}
.notice__icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 18px;
  background:rgba(166,243,43,.1);border:1px solid rgba(166,243,43,.35);
  display:grid;place-items:center;color:var(--brand);font-size:24px;font-weight:800;
}
.notice h2{font-size:22px;color:var(--tx-1);font-weight:800;margin-bottom:10px;}
.notice p{font-size:15px;color:var(--tx-2);margin-bottom:22px;}

/* ---------- RELATED ---------- */
.related{padding:0 0 80px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--tx-1);letter-spacing:-.01em;}
.section-head p{font-size:14px;color:var(--tx-3);margin-top:8px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;
}
.link-arrow svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:flex;gap:16px;padding:16px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  position:relative;overflow:hidden;
}
.news-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.news-card:hover::before{transform:scaleX(1);}
.news-card__img{
  width:96px;height:72px;flex-shrink:0;border-radius:12px;overflow:hidden;background:var(--bg-3);
}
.news-card__img img{width:100%;height:100%;object-fit:cover;}
.news-card__body{min-width:0;display:flex;flex-direction:column;gap:6px;}
.news-card__body h3{
  font-size:16px;font-weight:650;line-height:1.45;color:var(--tx-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__body p{
  font-size:14px;line-height:1.6;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--tx-3);}

/* ---------- CTA STRIP ---------- */
.cta-strip{padding:0 0 88px;}
.cta-strip__inner{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;
}
.cta-strip__inner::before{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  background:radial-gradient(circle,rgba(166,243,43,.16),transparent 68%);
}
.cta-strip h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;color:var(--tx-1);margin-bottom:8px;}
.cta-strip p{font-size:15px;color:var(--tx-2);max-width:620px;}
.cta-strip .btn{position:relative;z-index:2;flex-shrink:0;}

/* ---------- FOOTER ---------- */
.site-footer{background:#080A0C;border-top:1px solid var(--line);padding:56px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer__desc{font-size:14px;line-height:1.8;color:var(--tx-2);}
.site-footer h4{font-size:15px;font-weight:700;color:var(--tx-1);margin-bottom:16px;}
.footer__list li{margin-bottom:10px;}
.footer__list a{font-size:14px;color:var(--tx-2);transition:color .18s var(--ease);}
.footer__list a:hover{color:var(--brand);}
.footer__bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--tx-3);
}
.footer__bottom a{color:var(--tx-3);}
.footer__bottom a:hover{color:var(--brand);}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1199px){
  .nav__search{width:180px;}
  .nav__channels{gap:20px;}
}
@media (max-width:991px){
  .nav__channels,.nav__search{display:none;}
  .nav__burger{display:inline-flex;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .article-panel{padding:36px 32px;}
  .footer__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .nav{height:56px;}
  .nav__right{gap:8px;}
  .article-wrap{padding:40px 0 52px;}
  .article-panel{padding:28px 20px;border-radius:16px;}
  .article-body{font-size:16px;line-height:1.85;}
  .page-head{padding:24px 0 32px;}
  .grid-3{grid-template-columns:1fr;}
  .cta-strip__inner{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .cta-strip .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .article-actions{flex-direction:column;align-items:stretch;}
  .article-actions .btn{width:100%;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .logo__text{font-size:15px;}
  .footer__grid{grid-template-columns:1fr;}
  .news-card{flex-direction:column;}
  .news-card__img{width:100%;height:150px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .news-card:hover,.btn:hover{transform:none!important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B0D10;--bg-1:#12151A;--bg-2:#1A1F26;--bg-3:#232A33;
  --brand:#A6F32B;--brand-deep:#7FCC12;--accent:#7A5CFF;--warn:#FF7A2F;
  --tx-1:#F2F5F7;--tx-2:#A8B0BA;--tx-3:#6C757F;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --paper:#F5F7F3;--paper-tx:#16191F;
  --r-card:16px;--r-panel:20px;--r-btn:12px;--r-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow:0 2px 0 rgba(0,0,0,.4);
  --shadow-hi:0 12px 32px rgba(0,0,0,.5);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--tx-2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--tx-1)}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.28;color:var(--tx-1);letter-spacing:-.01em}
h3{font-size:18px;font-weight:650;line-height:1.4;color:var(--tx-1)}
h4{font-size:15px;font-weight:650;color:var(--tx-1)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(166,243,43,.28);color:var(--tx-1)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-1)}
::-webkit-scrollbar-thumb{background:#2C343D;border-radius:99px;border:2px solid var(--bg-1)}
::-webkit-scrollbar-thumb:hover{background:#3B444F}

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

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,13,16,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:22px;height:64px}
.nav__brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:24px;height:24px;border-radius:7px;background:var(--brand);color:#0B0D10;
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  box-shadow:0 0 0 1px rgba(166,243,43,.4);
}
.logo__text{font-size:16px;font-weight:800;color:var(--tx-1);letter-spacing:.01em;white-space:nowrap}
.nav__channels{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1 1 auto;overflow:hidden}
.nav__channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--tx-2);
  padding:8px 0;white-space:nowrap;transition:color .15s var(--ease);
}
.nav__channels a:hover{color:var(--tx-1)}
.nav__channels a.is-active{color:var(--tx-1);font-weight:650}
.nav__channels a.is-active::after{
  content:"";position:absolute;left:0;bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav__side{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav__search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 14px;
  background:var(--bg-3);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav__search svg{flex:0 0 auto;opacity:.6}
.nav__search input{
  width:100%;border:0;background:transparent;outline:none;font-size:13px;color:var(--tx-1);
}
.nav__search input::placeholder{color:var(--tx-3)}
.nav__search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.14)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;border-radius:var(--r-btn);
  font-size:15px;font-weight:650;padding:0 24px;height:46px;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--brand);color:#0B0D10}
.btn--primary:hover{background:#B7FF45;transform:translateY(-2px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--tx-1)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--accent{background:transparent;border-color:rgba(122,92,255,.55);color:#C6B8FF}
.btn--accent:hover{border-color:var(--accent);color:#DAD1FF;background:rgba(122,92,255,.12)}
.btn--sm{height:40px;padding:0 18px;font-size:14px;border-radius:999px}
.btn--pill{border-radius:999px}
.btn[disabled]{background:var(--bg-3);color:var(--tx-3);border-color:var(--line);cursor:not-allowed;transform:none}
.nav__toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--bg-3);
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--tx-1);border-radius:2px;position:relative}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tx-1);border-radius:2px;
}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--tx-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li::after{content:"/";margin-left:8px;color:var(--line-strong)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--brand)}
.crumb [aria-current]{color:var(--tx-3)}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0 0}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section__head p{font-size:15px;max-width:620px;margin-top:10px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;color:#C6B8FF;
  background:rgba(122,92,255,.14);border:1px solid rgba(122,92,255,.32);
  padding:4px 10px;border-radius:6px;margin-bottom:14px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:650;
}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.hr{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Hero ---------- */
.hero{position:relative;padding:44px 0 0}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:repeating-linear-gradient(0deg,var(--tx-1) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,var(--tx-1) 0 1px,transparent 1px 32px);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 78%);
  mask-image:linear-gradient(180deg,#000,transparent 78%);
}
.hero__grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding-bottom:20px}
.hero h1{margin-bottom:18px}
.hero__sub{font-size:18px;line-height:1.75;max-width:560px;color:var(--tx-2)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  font-size:12px;font-weight:500;letter-spacing:.02em;color:var(--tx-2);
  border:1px solid var(--line);background:var(--bg-2);border-radius:999px;padding:5px 12px;
}
.tag--brand{color:var(--brand);border-color:rgba(166,243,43,.34);background:rgba(166,243,43,.08)}
.tag--accent{color:#C6B8FF;border-color:rgba(122,92,255,.34);background:rgba(122,92,255,.1)}
.hero__panel{
  position:relative;overflow:hidden;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-panel);padding:26px;box-shadow:var(--shadow);
}
.hero__panel::before{
  content:"";position:absolute;inset:0;opacity:.22;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  -webkit-mask-image:linear-gradient(120deg,#000,transparent 72%);
  mask-image:linear-gradient(120deg,#000,transparent 72%);
}
.hero__panel > *{position:relative}
.hero__panel .corner{
  position:absolute;right:18px;top:18px;width:56px;height:1px;background:var(--brand);
  transform:rotate(-45deg);opacity:.7;
}
.hero__panel h4{font-size:16px;margin-bottom:6px}
.hero__panel .panel__note{font-size:13px;color:var(--tx-3)}
.entry-box{
  margin-top:18px;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;display:flex;align-items:center;gap:10px;
}
.entry-box span{font-size:13px;color:var(--tx-3)}
.entry-box input{
  flex:1;background:transparent;border:0;outline:none;font-size:14px;color:var(--tx-1);min-width:0;
}
.entry-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.14)}
.hero__panel .btn{width:100%;margin-top:14px}
.panel__stats{margin-top:20px;border-top:1px solid var(--line);padding-top:16px;display:grid;gap:12px}
.panel__stats li{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--tx-3)}
.panel__stats b{color:var(--tx-1);font-weight:650;font-size:14px}
.panel__stats b.ok{color:var(--brand)}

/* ---------- 指标条 ---------- */
.metrics{padding-top:56px}
.metrics__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hi)}
.metric__num{font-size:44px;font-weight:800;line-height:1;color:var(--brand);letter-spacing:-.02em}
.metric__num small{font-size:16px;font-weight:650;color:var(--tx-2);margin-left:4px}
.metric__label{margin-top:10px;font-size:13px;color:var(--tx-3)}
.bars{display:flex;align-items:flex-end;gap:4px;height:26px;margin-top:18px}
.bars i{width:4px;background:var(--bg-3);border-radius:2px;display:block}
.bars i.on{background:var(--brand)}

/* ---------- 能力卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  position:relative;overflow:hidden;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card::after{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hi)}
.card:hover::after{transform:scaleX(1)}
.card__icon{
  width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;background:rgba(166,243,43,.12);border:1px solid rgba(166,243,43,.34);color:var(--brand);
  margin-bottom:18px;
}
.card__icon--accent{background:rgba(122,92,255,.14);border-color:rgba(122,92,255,.4);color:#C6B8FF}
.card h3{margin-bottom:10px}
.card p{font-size:14.5px;color:var(--tx-2)}
.card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.card__foot{margin-top:auto;padding-top:18px}

/* ---------- 图文块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.split__media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-3);aspect-ratio:16/10;
}
.split__media img{width:100%;height:100%;object-fit:cover}
.split__media--tall{aspect-ratio:16/11}
.checklist{display:grid;gap:16px;margin-top:22px}
.checklist li{display:flex;gap:14px;align-items:flex-start}
.checklist .dot{
  flex:0 0 auto;width:10px;height:10px;margin-top:8px;background:var(--brand);
  transform:rotate(45deg);border-radius:2px;
}
.checklist b{display:block;color:var(--tx-1);font-weight:650;font-size:15px}
.checklist span{font-size:14px;color:var(--tx-2)}

/* ---------- 环境说明条 ---------- */
.strips{display:grid;gap:12px;margin-top:8px}
.strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:14px;padding:16px 20px;
}
.strip__left{display:flex;align-items:center;gap:12px}
.strip__no{
  width:28px;height:28px;border-radius:9px;background:rgba(122,92,255,.14);border:1px solid rgba(122,92,255,.36);
  color:#C6B8FF;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.strip__left strong{color:var(--tx-1);font-size:15px;font-weight:650}
.strip__left span{font-size:13.5px;color:var(--tx-3)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:first-child{border-top:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;text-align:left;padding:22px 0;
  font-size:16px;font-weight:650;color:var(--tx-1);
}
.faq__sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid rgba(166,243,43,.5);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq__item.is-open .faq__sign{transform:rotate(180deg);background:rgba(166,243,43,.12)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq__a p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--tx-2);max-width:700px}

/* ---------- CTA 带 ---------- */
.cta-band{margin-top:84px;padding:0 0 84px}
.cta-band__inner{
  position:relative;overflow:hidden;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--r-panel);padding:44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band__inner::before{
  content:"";position:absolute;inset:0;opacity:.16;background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 70%);mask-image:linear-gradient(90deg,#000,transparent 70%);
}
.cta-band__inner > *{position:relative}
.cta-band h2{margin-bottom:10px}
.cta-band p{font-size:15px;max-width:520px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 表单（页脚上方轻量反馈位） ---------- */
.note-line{display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-size:13px;color:var(--tx-3);margin-top:18px}
.note-line .badge{
  font-size:12px;font-weight:600;color:var(--warn);border:1px solid rgba(255,122,47,.4);
  background:rgba(255,122,47,.1);border-radius:6px;padding:2px 8px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:#080A0C;border-top:1px solid var(--line);margin-top:0;padding:64px 0 28px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__desc{font-size:14px;color:var(--tx-2);max-width:360px}
.footer h4{margin-bottom:16px}
.footer__list{display:grid;gap:10px}
.footer__list a{font-size:14px;color:var(--tx-2);transition:color .18s var(--ease)}
.footer__list a:hover{color:var(--brand)}
.footer__bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--tx-3);
}
.footer__bottom a{color:var(--tx-3)}
.footer__bottom a:hover{color:var(--brand)}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:78%;max-width:340px;background:var(--bg-1);
  border-left:1px solid var(--line);z-index:90;transform:translateX(102%);
  transition:transform .24s var(--ease);padding:22px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer__close{
  width:44px;height:44px;border-radius:12px;background:var(--bg-3);border:1px solid var(--line);
  color:var(--tx-1);cursor:pointer;font-size:18px;line-height:1;
}
.drawer__list{display:grid;gap:4px}
.drawer__list a{
  display:block;padding:14px 12px;border-radius:12px;font-size:15px;color:var(--tx-2);
  border-left:3px solid transparent;transition:background-color .18s var(--ease),color .18s var(--ease);
}
.drawer__list a:hover{background:var(--bg-2);color:var(--tx-1)}
.drawer__list a.is-active{color:var(--tx-1);border-left-color:var(--brand);background:var(--bg-2);font-weight:650}
.drawer .btn{width:100%;margin-top:18px}
.scrim{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.scrim.is-open{opacity:1;visibility:visible}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  :root{--container:1120px}
}
@media (max-width:1199px){
  .metrics__grid{grid-template-columns:repeat(2,1fr)}
  .nav__search{width:180px}
  .nav__channels{gap:20px}
}
@media (max-width:1024px){
  .nav__channels{display:none}
  .nav__toggle{display:inline-flex}
  .hero__grid{grid-template-columns:1fr;gap:32px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:26px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding-top:56px}
  .hero{padding-top:28px}
  .hero__sub{font-size:16px}
  .cards{grid-template-columns:1fr}
  .card{padding:20px}
  .metric{padding:20px}
  .metric__num{font-size:34px}
  .cta-band__inner{padding:26px 20px}
  .cta-band{margin-top:56px;padding-bottom:56px}
  .nav__side .nav__search{display:none}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .btn{width:auto}
  .hero__actions .btn{flex:1 1 auto;min-width:150px}
  .brand-full{display:none}
}
@media (max-width:520px){
  .metrics__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .logo__text{font-size:15px}
  .strip{padding:14px 16px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .card:hover,.metric:hover,.btn:hover{transform:none}
  .card:hover{box-shadow:var(--shadow)}
}

/* roulang page: category3 */
:root{
  --bg-0:#0B0D10;
  --bg-1:#12151A;
  --bg-2:#1A1F26;
  --bg-3:#232A33;
  --brand:#A6F32B;
  --brand-deep:#7FCC12;
  --accent:#7A5CFF;
  --warn:#FF7A2F;
  --tx-1:#F2F5F7;
  --tx-2:#A8B0BA;
  --tx-3:#6C757F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --paper:#F5F7F3;
  --paper-tx:#16191F;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-card:0 2px 0 rgba(0,0,0,.4);
  --shadow-hover:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-2);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--tx-1);}
h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.28;}
h3{font-size:18px;font-weight:650;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand);color:#0B0D10;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-1);}
::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:8px;}
::-webkit-scrollbar-thumb:hover{background:#2E3742;}

.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,13,16,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header__inner{
  height:64px;display:flex;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--brand);color:#0B0D10;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;
  box-shadow:0 0 0 1px rgba(166,243,43,.35);
}
.logo__text{font-size:16px;font-weight:800;color:var(--tx-1);letter-spacing:-.01em;white-space:nowrap;}
.nav__channels{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav__channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--tx-2);
  padding:6px 0;transition:color .15s var(--ease);white-space:nowrap;
}
.nav__channels a:hover{color:var(--tx-1);}
.nav__channels a.is-active{color:var(--tx-1);}
.nav__channels a.is-active::after{
  content:"";position:absolute;left:0;bottom:-2px;width:18px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header__actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:38px;padding:0 14px;
  background:var(--bg-3);border:1px solid var(--line);border-radius:999px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search svg{flex-shrink:0;stroke:var(--tx-3);}
.search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--tx-1);
}
.search input::placeholder{color:var(--tx-3);}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.14);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{background:var(--brand);color:#0B0D10;box-shadow:0 8px 24px rgba(166,243,43,.18);}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-2px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--tx-1);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;border-radius:999px;}
.btn[disabled]{background:var(--bg-3);color:var(--tx-3);cursor:not-allowed;box-shadow:none;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:14px;font-weight:600;
}
.link-arrow svg{transition:transform .18s var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:var(--bg-3);border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--tx-1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tx-1);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer{
  position:fixed;top:0;right:0;width:78%;max-width:340px;height:100%;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(101%);transition:transform .24s var(--ease);
  z-index:80;padding:24px 20px;display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0);}
.drawer a{
  display:block;padding:14px 12px;border-radius:10px;font-size:15px;
  color:var(--tx-2);border-left:3px solid transparent;
}
.drawer a.is-active{color:var(--tx-1);background:var(--bg-2);border-left-color:var(--brand);}
.drawer__close{
  align-self:flex-end;width:44px;height:44px;border-radius:10px;
  background:var(--bg-3);border:1px solid var(--line);color:var(--tx-1);
  cursor:pointer;font-size:20px;line-height:1;
}
.backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;pointer-events:none;
  transition:opacity .22s var(--ease);z-index:70;
}
.backdrop.is-open{opacity:1;pointer-events:auto;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--tx-3);padding:22px 0 0;
}
.breadcrumb a{color:var(--tx-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:var(--tx-3);}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0 0;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.section__desc{font-size:15px;color:var(--tx-2);max-width:640px;margin-top:12px;line-height:1.75;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:block;}
.divider{height:1px;background:var(--line);margin:72px 0 0;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  margin-top:24px;border:1px solid var(--line);border-radius:var(--r-panel);
  background:var(--bg-1);
}
.cat-hero__grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
  padding:52px 48px;
}
.cat-hero__bg{
  position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.16;
}
.cat-hero__veil{
  position:absolute;inset:0;z-index:1;
  background:
    repeating-linear-gradient(0deg,transparent 0 31px,rgba(255,255,255,.05) 31px 32px),
    repeating-linear-gradient(90deg,transparent 0 31px,rgba(255,255,255,.05) 31px 32px),
    linear-gradient(100deg,var(--bg-1) 25%,rgba(18,21,26,.72) 70%,rgba(18,21,26,.9) 100%);
}
.cat-hero__title{max-width:640px;}
.cat-hero__title h1{margin-bottom:16px;}
.cat-hero__lead{font-size:16px;color:var(--tx-2);max-width:560px;line-height:1.8;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cat-hero__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:500;letter-spacing:.02em;
  padding:5px 10px;border-radius:6px;
  background:rgba(122,92,255,.14);border:1px solid rgba(122,92,255,.4);color:#BBAEFF;
}
.chip--brand{background:rgba(166,243,43,.12);border-color:rgba(166,243,43,.38);color:var(--brand);}
.chip--warn{background:rgba(255,122,47,.12);border-color:rgba(255,122,47,.4);color:var(--warn);}
.cat-hero__panel{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-card);
}
.cat-hero__panel::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:80px;height:1px;
  background:var(--brand);transform:rotate(-45deg);
}
.cat-hero__panel h3{font-size:16px;margin-bottom:6px;}
.cat-hero__panel p{font-size:13px;color:var(--tx-3);margin-bottom:18px;}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:14px;
}
.panel-row:last-of-type{border-bottom:0;}
.panel-row b{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;}
.panel-row span{color:var(--tx-2);}

/* ---------- 指标条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:28px;
}
.stat{
  position:relative;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 18px;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.stat::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.stat:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.stat:hover::before{transform:scaleX(1);}
.stat__num{
  font-size:clamp(32px,3.6vw,44px);font-weight:800;color:var(--brand);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-bottom:10px;
}
.stat__num small{font-size:14px;font-weight:600;color:var(--tx-3);margin-left:4px;}
.stat__label{font-size:14px;color:var(--tx-1);font-weight:600;margin-bottom:6px;}
.stat__hint{font-size:12px;color:var(--tx-3);letter-spacing:.02em;}
.stat__bars{display:flex;align-items:flex-end;gap:4px;height:26px;margin-top:14px;}
.stat__bars i{display:block;width:4px;border-radius:2px;background:var(--bg-3);}
.stat__bars i.on{background:var(--brand);}

/* ---------- 对比表 ---------- */
.table-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:22px;}
.filter-tags{display:flex;flex-wrap:wrap;gap:8px;}
.filter-tags span{
  font-size:12px;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--tx-3);letter-spacing:.02em;
}
.filter-tags span.is-on{border-color:var(--brand);color:var(--brand);background:rgba(166,243,43,.1);}
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);overflow-x:auto;
  background:var(--bg-1);-webkit-overflow-scrolling:touch;
}
table.cmp{width:100%;min-width:820px;border-collapse:collapse;font-size:14px;}
table.cmp thead th{
  background:var(--bg-3);color:var(--tx-1);font-weight:700;font-size:13px;
  letter-spacing:.03em;text-align:left;padding:16px 20px;white-space:nowrap;
  border-bottom:1px solid var(--line-strong);
}
table.cmp tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);color:var(--tx-2);
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover{background:rgba(255,255,255,.02);}
table.cmp td.key{color:var(--tx-1);font-weight:600;}
table.cmp td.hl{color:var(--brand);font-weight:700;}
table.cmp .badge{
  display:inline-block;font-size:12px;padding:3px 9px;border-radius:6px;
  background:rgba(166,243,43,.12);color:var(--brand);border:1px solid rgba(166,243,43,.32);
}
table.cmp .badge--warn{background:rgba(255,122,47,.12);color:var(--warn);border-color:rgba(255,122,47,.36);}
.table-note{margin-top:14px;font-size:13px;color:var(--tx-3);}

/* ---------- 结果卡片 ---------- */
.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.result-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);position:relative;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.result-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);z-index:3;
}
.result-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.result-card:hover::before{transform:scaleX(1);}
.result-card__thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-3);}
.result-card__thumb img{width:100%;height:100%;object-fit:cover;}
.result-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.result-card__body h3{font-size:17px;}
.result-card__body p{font-size:14px;color:var(--tx-2);line-height:1.7;}
.result-card__meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--tx-3);letter-spacing:.02em;
}
.result-card__meta b{color:var(--brand);font-variant-numeric:tabular-nums;font-size:14px;}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq__item{border-bottom:1px solid var(--line);}
.faq__item:first-child{border-top:1px solid var(--line);}
.faq__item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:650;color:var(--tx-1);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq__item[open] .faq__icon{transform:rotate(180deg);background:rgba(166,243,43,.12);}
.faq__answer{padding:0 0 22px;font-size:15px;color:var(--tx-2);line-height:1.8;max-width:720px;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:72px;position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-panel);
  background:var(--bg-1);
}
.cta-band__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.12;
}
.cta-band__inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:32px;padding:44px 48px;flex-wrap:wrap;
}
.cta-band__inner h2{margin-bottom:10px;}
.cta-band__inner p{font-size:15px;color:var(--tx-2);max-width:560px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#080A0C;border-top:1px solid var(--line);margin-top:80px;}
.footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding:56px 0 40px;
}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__desc{font-size:14px;color:var(--tx-2);line-height:1.8;max-width:360px;}
.footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--tx-1);}
.footer__list{display:flex;flex-direction:column;gap:12px;}
.footer__list a{font-size:14px;color:var(--tx-2);transition:color .18s var(--ease);}
.footer__list a:hover{color:var(--brand);}
.footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 32px;
  font-size:13px;color:var(--tx-3);
}
.footer__bottom a{color:var(--tx-3);}
.footer__bottom a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:100%;}
  .nav__channels{gap:20px;}
  .search{width:190px;}
}
@media (max-width:991px){
  .nav__channels,.search{display:none;}
  .nav-toggle{display:flex;}
  .header__inner{gap:16px;}
  .cat-hero__grid{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .result-grid{grid-template-columns:repeat(2,1fr);}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .section{padding:48px 0 0;}
  .divider{margin-top:48px;}
  .cat-hero__grid{padding:32px 20px;}
  .cat-hero__actions .btn{width:100%;}
  .cta-band__inner{padding:32px 20px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .section__head{flex-direction:column;align-items:flex-start;}
  .stat__num{font-size:32px;}
  .faq__item summary{font-size:15px;padding:18px 0;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo__text{font-size:15px;}
  .stat-strip{grid-template-columns:1fr;}
  .result-grid{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
  .header__actions .btn--sm{padding:0 14px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .btn:hover,.stat:hover,.result-card:hover{transform:none;}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root{
  --bg-0:#0B0D10;
  --bg-1:#12151A;
  --bg-2:#1A1F26;
  --bg-3:#232A33;
  --brand:#A6F32B;
  --brand-deep:#7FCC12;
  --accent:#7A5CFF;
  --warn:#FF7A2F;
  --tx-1:#F2F5F7;
  --tx-2:#A8B0BA;
  --tx-3:#6C757F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --paper:#F5F7F3;
  --paper-tx:#16191F;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 2px 0 rgba(0,0,0,.4);
  --shadow-hover:0 12px 32px rgba(0,0,0,.5);
  --font:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"DIN Alternate","Bahnschrift","HarmonyOS Sans SC",system-ui,sans-serif;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-2);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{color:var(--tx-1);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(166,243,43,.28);color:#0B0D10;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-1);}
::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:8px;border:2px solid var(--bg-1);}
::-webkit-scrollbar-thumb:hover{background:#323b47;}

/* ===== 容器 ===== */
.container{
  width:100%;
  max-width:1120px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(11,13,16,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  gap:26px;
  height:64px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--brand);
  color:#0B0D10;
  font-size:14px;
  font-weight:800;
  line-height:1;
}
.logo__text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--tx-1);
  white-space:nowrap;
}
.nav__channels{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 auto;
  min-width:0;
}
.nav__channels a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:64px;
  font-size:15px;
  font-weight:500;
  color:var(--tx-2);
  white-space:nowrap;
  transition:color .18s var(--ease);
}
.nav__channels a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:14px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav__channels a:hover{color:var(--tx-1);}
.nav__channels a.is-active{color:var(--tx-1);}
.nav__channels a.is-active::after{width:18px;}
.header__actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.search{
  position:relative;
  width:220px;
}
.search svg{
  position:absolute;
  left:14px;
  top:50%;
  width:15px;
  height:15px;
  transform:translateY(-50%);
  color:var(--tx-3);
  pointer-events:none;
}
.search input{
  width:100%;
  height:40px;
  padding:0 16px 0 38px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--bg-3);
  color:var(--tx-1);
  font-size:13px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search input::placeholder{color:var(--tx-3);}
.search input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(166,243,43,.14);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--tx-1);
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  border-radius:2px;
  position:relative;
  transition:background .18s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:currentColor;
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{
  background:var(--brand);
  color:#0B0D10;
  box-shadow:0 4px 18px rgba(166,243,43,.16);
}
.btn--primary:hover{background:#B8FF4A;transform:translateY(-2px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{
  border:1px solid var(--line-strong);
  color:var(--tx-1);
  background:transparent;
}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--pill{border-radius:999px;}
.btn--block{width:100%;}
.btn--sm{min-height:38px;padding:0 18px;font-size:14px;}

/* ===== 面包屑 ===== */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:20px 0 0;
  font-size:13px;
  color:var(--tx-3);
}
.crumb a{color:var(--tx-2);transition:color .18s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--tx-3);opacity:.6;}
.crumb .now{color:var(--tx-3);}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:48px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 32px);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
  opacity:.5;
  pointer-events:none;
}
.hero__grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero__tagline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:6px;
  background:rgba(122,92,255,.14);
  border:1px solid rgba(122,92,255,.36);
  color:#C6B7FF;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
}
.hero h1{
  margin-top:18px;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
}
.hero__sub{
  margin-top:18px;
  max-width:560px;
  font-size:17px;
  line-height:1.75;
  color:var(--tx-2);
}
.hero__cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero__tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero__tags span{
  padding:5px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--tx-2);
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
}
.hero__panel{
  position:relative;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:var(--bg-2);
  background-image:linear-gradient(180deg,rgba(18,21,26,.72),rgba(18,21,26,.94)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  padding:28px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.hero__panel::after{
  content:"";
  position:absolute;
  right:-30px;
  bottom:-30px;
  width:80px;
  height:1px;
  background:var(--brand);
  transform:rotate(-45deg);
  opacity:.75;
}
.hero__panel h2{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
}
.hero__panel p{
  margin-top:8px;
  font-size:14px;
  color:var(--tx-2);
}
.check-list{
  margin-top:20px;
  display:grid;
  gap:12px;
}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--tx-2);
  line-height:1.6;
}
.check-list li::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  margin-top:8px;
  border-radius:2px;
  background:var(--brand);
}
.hero__panel .mini-note{
  margin-top:22px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--tx-3);
}

/* ===== 板块通用 ===== */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:36px;
}
.section__head h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.01em;
}
.section__head p{
  margin-top:10px;
  max-width:640px;
  font-size:15px;
  color:var(--tx-2);
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ===== 时间线 ===== */
.tl-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:40px;
  align-items:start;
}
.timeline{
  position:relative;
  padding-left:38px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:11px;
  top:8px;
  bottom:8px;
  width:2px;
  background:var(--line);
}
.tl-item{
  position:relative;
  padding-bottom:30px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-33px;
  top:10px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(166,243,43,.12);
}
.tl-num{
  display:inline-block;
  font-family:var(--num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--brand);
}
.tl-item h3{
  margin-top:6px;
  font-size:18px;
  font-weight:650;
  line-height:1.4;
}
.tl-item p{
  margin-top:8px;
  font-size:15px;
  color:var(--tx-2);
  line-height:1.75;
}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:6px;
  background:rgba(122,92,255,.14);
  border:1px solid rgba(122,92,255,.36);
  color:#C6B7FF;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
}
.chip--brand{
  background:rgba(166,243,43,.12);
  border-color:rgba(166,243,43,.36);
  color:#CBFB7C;
}
.chip--warn{
  background:rgba(255,122,47,.14);
  border-color:rgba(255,122,47,.36);
  color:#FFB183;
}

/* ===== 资源列表 ===== */
.res-list{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-1);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.res-list h3{
  font-size:17px;
  font-weight:650;
}
.res-list .res-desc{
  margin-top:8px;
  font-size:13px;
  color:var(--tx-3);
}
.res-list ul{margin-top:18px;display:grid;gap:2px;}
.res-list li + li{border-top:1px solid var(--line);}
.res-list a{
  display:flex;
  gap:12px;
  padding:14px 0;
  transition:transform .2s var(--ease);
}
.res-list a:hover{transform:translateX(3px);}
.res-icon{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  background:rgba(166,243,43,.1);
  border:1px solid rgba(166,243,43,.28);
  color:var(--brand);
  font-family:var(--num);
  font-size:13px;
  font-weight:800;
}
.res-body strong{
  display:block;
  font-size:14px;
  font-weight:650;
  color:var(--tx-1);
  line-height:1.5;
}
.res-body span{
  display:block;
  margin-top:3px;
  font-size:13px;
  color:var(--tx-3);
  line-height:1.55;
}
.res-list a:hover .res-body strong{color:var(--brand);}

/* ===== 卡片网格 ===== */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-2);
  padding:26px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:var(--line-strong);
}
.card:hover::before{transform:scaleX(1);}
.card__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:12px;
  background:rgba(166,243,43,.1);
  border:1px solid rgba(166,243,43,.3);
  color:var(--brand);
  font-size:16px;
}
.card__icon--violet{
  background:rgba(122,92,255,.14);
  border-color:rgba(122,92,255,.36);
  color:#C6B7FF;
}
.card h3{
  margin-top:16px;
  font-size:18px;
  font-weight:650;
  line-height:1.4;
}
.card p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--tx-2);
  line-height:1.7;
}
.card__tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.card__foot{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.link-more svg{
  width:14px;
  height:14px;
  transition:transform .2s var(--ease);
}
.link-more:hover svg{transform:translateX(3px);}

/* ===== 图文块 ===== */
.media-block{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:40px;
  align-items:center;
}
.media-block__img{
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--bg-3);
}
.media-block__img img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-block h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.01em;
}
.media-block > div > p{
  margin-top:14px;
  font-size:15px;
  color:var(--tx-2);
}
.step-list{margin-top:24px;display:grid;gap:14px;}
.step-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--bg-1);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.step-list li:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.step-list .idx{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(166,243,43,.12);
  border:1px solid rgba(166,243,43,.34);
  color:var(--brand);
  font-family:var(--num);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  font-weight:800;
}
.step-list strong{
  display:block;
  font-size:14.5px;
  font-weight:650;
  color:var(--tx-1);
}
.step-list span{
  display:block;
  margin-top:4px;
  font-size:13.5px;
  color:var(--tx-2);
}

/* ===== FAQ ===== */
.faq{
  max-width:820px;
  margin:0 auto;
  border-top:1px solid var(--line);
}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  text-align:left;
  font-size:16px;
  font-weight:650;
  color:var(--tx-1);
  transition:color .18s var(--ease);
}
.faq__q:hover{color:var(--brand);}
.faq__icon{
  position:relative;
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:50%;
  border:1px solid var(--brand);
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq__icon::before,
.faq__icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--brand);
  transform:translate(-50%,-50%);
  transition:opacity .2s var(--ease);
}
.faq__icon::before{width:12px;height:2px;}
.faq__icon::after{width:2px;height:12px;}
.faq__item.is-open .faq__icon{transform:rotate(180deg);background:rgba(166,243,43,.12);}
.faq__item.is-open .faq__icon::after{opacity:0;}
.faq__panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .22s var(--ease);
}
.faq__item.is-open .faq__panel{grid-template-rows:1fr;}
.faq__panel > div{overflow:hidden;}
.faq__panel p{
  padding:0 56px 24px 0;
  font-size:15px;
  line-height:1.8;
  color:var(--tx-2);
}

/* ===== CTA / 表单 ===== */
.cta-band{
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  padding:40px 36px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  color:var(--tx-2);
}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

.form-panel{
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:var(--bg-1);
  padding:32px;
}
.form-grid{
  display:grid;
  gap:18px;
}
.field label{
  display:block;
  margin-bottom:8px;
  font-size:13px;
  color:var(--tx-2);
}
.field .req{color:var(--warn);}
.field input,
.field select,
.field textarea{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:var(--bg-3);
  color:var(--tx-1);
  font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{
  height:auto;
  min-height:110px;
  padding:14px 16px;
  line-height:1.7;
  resize:vertical;
}
.field input::placeholder,
.field textarea::placeholder{color:var(--tx-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(166,243,43,.14);
}
.form-note{
  margin-top:14px;
  font-size:13px;
  color:var(--tx-3);
  line-height:1.7;
}
.cta-side h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.01em;
}
.cta-side p{
  margin-top:14px;
  font-size:15px;
  color:var(--tx-2);
}
.cta-side ul{margin-top:22px;display:grid;gap:12px;}
.cta-side li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--tx-2);
}
.cta-side li::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  margin-top:9px;
  border-radius:2px;
  background:var(--brand);
}
.cta-layout{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:start;
}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:40px;
  background:#080A0C;
  border-top:1px solid var(--line);
  padding:56px 0 0;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
}
.footer__brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.footer__brand .logo__text{font-size:16px;}
.footer .footer__desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:var(--tx-3);
  max-width:320px;
}
.site-footer h4{
  font-size:14px;
  font-weight:700;
  color:var(--tx-1);
  letter-spacing:.02em;
}
.footer__list{
  margin-top:16px;
  display:grid;
  gap:10px;
}
.footer__list a{
  font-size:14px;
  color:var(--tx-2);
  transition:color .18s var(--ease);
}
.footer__list a:hover{color:var(--brand);}
.footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--tx-3);
}
.footer__bottom a{color:var(--tx-3);transition:color .18s var(--ease);}
.footer__bottom a:hover{color:var(--brand);}

/* ===== 移动端抽屉 ===== */
.drawer{
  position:fixed;
  top:0;
  right:0;
  z-index:60;
  width:78%;
  max-width:340px;
  height:100%;
  background:var(--bg-1);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .24s var(--ease);
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer__head .logo__text{font-size:15px;}
.drawer__close{
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--tx-1);
  font-size:20px;
  line-height:1;
}
.drawer__nav{
  margin-top:18px;
  display:grid;
  gap:4px;
}
.drawer__nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--tx-2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.drawer__nav a:hover{color:var(--tx-1);background:var(--bg-2);}
.drawer__nav a.is-active{
  color:var(--tx-1);
  background:var(--bg-2);
  box-shadow:inset 3px 0 0 var(--brand);
  border-radius:0 10px 10px 0;
}
.drawer .btn{margin-top:20px;}
.drawer__mask{
  position:fixed;
  inset:0;
  z-index:55;
  background:rgba(0,0,0,.62);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer__mask.is-open{opacity:1;visibility:visible;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .search{width:190px;}
  .nav__channels{gap:20px;}
  .nav__channels a{font-size:14px;}
  .tl-layout{grid-template-columns:minmax(0,1fr) 320px;gap:32px;}
}
@media (max-width:991px){
  .nav__channels{display:none;}
  .search{display:none;}
  .header__actions .btn--ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:36px 0 56px;}
  .hero__grid{grid-template-columns:1fr;gap:32px;}
  .tl-layout{grid-template-columns:1fr;gap:32px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .media-block{grid-template-columns:1fr;gap:28px;}
  .cta-layout{grid-template-columns:1fr;gap:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  .header__inner{height:56px;gap:12px;}
  .logo__text{font-size:15px;}
  .grid-3{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section__head{margin-bottom:26px;}
  .card{padding:20px;}
  .hero__panel{padding:20px;}
  .cta-band{padding:26px 20px;}
  .form-panel{padding:20px;}
  .footer__grid{grid-template-columns:1fr;gap:26px;}
  .res-list{padding:20px;}
  .faq__panel p{padding-right:0;}
}
@media (max-width:480px){
  .hero h1{font-size:28px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .hero__cta .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover,.btn:hover,.step-list li:hover,.res-list a:hover{transform:none !important;}
}

/* roulang page: category4 */
:root{
  --bg-0:#0B0D10;
  --bg-1:#12151A;
  --bg-2:#1A1F26;
  --bg-3:#232A33;
  --brand:#A6F32B;
  --brand-deep:#7FCC12;
  --accent:#7A5CFF;
  --warn:#FF7A2F;
  --tx-1:#F2F5F7;
  --tx-2:#A8B0BA;
  --tx-3:#6C757F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --paper:#F5F7F3;
  --paper-tx:#16191F;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-input:10px;
  --container:1280px;
  --shadow-card:0 2px 0 rgba(0,0,0,.4);
  --shadow-hover:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(166,243,43,.28);color:var(--tx-1);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-1);}
::-webkit-scrollbar-thumb{background:#2C333C;border-radius:999px;border:2px solid var(--bg-1);}
::-webkit-scrollbar-thumb:hover{background:#3A434E;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,13,16,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:24px;height:64px;}
.nav__brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:28px;height:28px;border-radius:8px;
  background:var(--brand);color:#0B0D10;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:0;
}
.logo__text{font-size:16px;font-weight:800;color:var(--tx-1);letter-spacing:-.01em;white-space:nowrap;}
.nav__channels{display:flex;align-items:center;gap:26px;flex:1 1 auto;min-width:0;}
.nav__channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--tx-2);
  padding:6px 0;white-space:nowrap;
}
.nav__channels a:hover{color:var(--tx-1);}
.nav__channels a.is-active{color:var(--tx-1);}
.nav__channels a.is-active::after{
  content:"";position:absolute;left:0;bottom:-2px;width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav__right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav__search{
  position:relative;width:220px;
}
.nav__search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:var(--tx-3);fill:none;stroke-width:2;}
.nav__search input{
  width:100%;height:38px;border-radius:999px;
  background:var(--bg-3);border:1px solid var(--line);
  color:var(--tx-1);padding:0 14px 0 34px;font-size:13px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav__search input::placeholder{color:var(--tx-3);}
.nav__search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.16);}
.nav__menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;color:var(--tx-1);
}
.nav__menu-btn span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav__menu-btn span::before,.nav__menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.nav__menu-btn span::before{top:-6px;}
.nav__menu-btn span::after{top:6px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--brand);color:#0B0D10;}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(166,243,43,.18);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--tx-1);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn--pill{border-radius:999px;}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--bg-3);color:var(--tx-3);border-color:var(--line);cursor:not-allowed;transform:none;box-shadow:none;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;
}
.link-arrow svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 芯片 / 徽章 ============ */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:6px;
  background:rgba(122,92,255,.14);border:1px solid rgba(122,92,255,.4);color:#B7A6FF;
}
.chip--brand{background:rgba(166,243,43,.12);border-color:rgba(166,243,43,.4);color:var(--brand);}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px;}
.badge--warn{background:rgba(255,122,47,.16);color:var(--warn);border:1px solid rgba(255,122,47,.4);}
.badge--ok{background:rgba(166,243,43,.14);color:var(--brand);border:1px solid rgba(166,243,43,.36);}

/* ============ 面包屑 ============ */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--tx-3);}
.crumbs a{color:var(--tx-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{margin:0 8px;color:#3B434D;}
.crumbs strong{font-weight:500;color:var(--tx-2);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:56px 0 72px;border-bottom:1px solid var(--line);}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 32px);
  opacity:.5;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  pointer-events:none;
}
.hero__grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero__title{
  font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--tx-1);
}
.hero__title em{font-style:normal;color:var(--brand);}
.hero__sub{margin-top:18px;font-size:17px;color:var(--tx-2);max-width:620px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero__chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero__panel{
  position:relative;border-radius:var(--r-panel);border:1px solid var(--line);
  background:var(--bg-2) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;min-height:320px;box-shadow:var(--shadow-card);
}
.hero__panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,13,16,.86),rgba(11,13,16,.94));
}
.hero__panel-inner{position:relative;z-index:2;padding:28px;}
.hero__panel-inner h2{font-size:18px;font-weight:700;color:var(--tx-1);}
.hero__panel-inner p{margin-top:8px;font-size:14px;color:var(--tx-2);}
.entry-field{display:flex;gap:10px;margin-top:20px;}
.entry-field input{
  flex:1 1 auto;min-width:0;height:46px;border-radius:var(--r-input);
  background:var(--bg-3);border:1px solid var(--line);padding:0 14px;color:var(--tx-1);font-size:14px;
}
.entry-field input::placeholder{color:var(--tx-3);}
.entry-field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(166,243,43,.16);}
.hero__mini{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line);}
.hero__mini div{font-size:12px;color:var(--tx-3);}
.hero__mini b{display:block;font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;}
.slash{position:absolute;right:26px;bottom:22px;width:64px;height:1px;background:var(--brand);transform:rotate(-45deg);transform-origin:right center;z-index:3;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section__head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.28;color:var(--tx-1);letter-spacing:-.01em;}
.section__head p{margin-top:10px;font-size:15px;color:var(--tx-2);max-width:640px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 礼包状态条 ============ */
.status-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.status-strip .stat{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-card);
}
.status-strip .stat b{display:block;font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;}
.status-strip .stat span{display:block;margin-top:6px;font-size:13px;color:var(--tx-2);}

/* ============ 图文交错 ============ */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;}
.zig + .zig{border-top:1px solid var(--line);}
.zig__media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-3);aspect-ratio:16/10;box-shadow:var(--shadow-card);
}
.zig__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.zig__media:hover img{transform:scale(1.03);}
.zig--rev .zig__media{order:2;}
.zig--rev .zig__text{order:1;}
.zig__text h3{font-size:19px;font-weight:650;color:var(--tx-1);line-height:1.4;}
.zig__text p{margin-top:14px;font-size:15px;color:var(--tx-2);}
.zig__list{margin-top:20px;display:grid;gap:12px;}
.zig__list li{position:relative;padding-left:20px;font-size:14px;color:var(--tx-2);}
.zig__list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.zig__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ============ 快速入口 ============ */
.quick-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.quick{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:26px 16px;border-radius:var(--r-card);
  background:var(--bg-2);border:1px solid var(--line);
  text-align:center;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.quick:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.quick__icon{
  width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(166,243,43,.1);border:1px solid rgba(166,243,43,.34);
  color:var(--brand);font-size:18px;font-weight:800;
}
.quick--purple .quick__icon{background:rgba(122,92,255,.14);border-color:rgba(122,92,255,.42);color:#B7A6FF;}
.quick b{font-size:15px;font-weight:650;color:var(--tx-1);}
.quick span{font-size:13px;color:var(--tx-3);}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto;}
.faq details{border-bottom:1px solid var(--line);}
.faq details:first-child{border-top:1px solid var(--line);}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:16px;font-weight:650;color:var(--tx-1);
  cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .faq__icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;font-weight:600;
  transition:transform .22s var(--ease);
}
.faq details[open] summary .faq__icon{transform:rotate(180deg);}
.faq .faq__body{padding:0 0 24px;font-size:15px;line-height:1.8;color:var(--tx-2);max-width:720px;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-panel);
  background:var(--bg-1) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,13,16,.92),rgba(11,13,16,.86));
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--tx-1);line-height:1.3;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--tx-2);max-width:560px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{margin-top:24px;background:#080A0C;border-top:1px solid var(--line);padding:64px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer h4{font-size:14px;font-weight:700;color:var(--tx-1);margin-bottom:16px;letter-spacing:.02em;}
.footer__desc{font-size:14px;color:var(--tx-2);line-height:1.8;max-width:360px;}
.footer__list{display:grid;gap:10px;}
.footer__list a{font-size:14px;color:var(--tx-2);}
.footer__list a:hover{color:var(--brand);}
.footer__bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.footer__bottom a{color:var(--tx-3);}
.footer__bottom a:hover{color:var(--brand);}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:78%;max-width:340px;z-index:120;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .24s var(--ease);
  padding:24px 22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);color:var(--tx-1);font-size:18px;display:flex;align-items:center;justify-content:center;}
.drawer nav a{
  display:block;padding:14px 12px;font-size:16px;color:var(--tx-2);border-radius:10px;position:relative;
}
.drawer nav a.is-active{color:var(--tx-1);background:var(--bg-2);}
.drawer nav a.is-active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--brand);}
.drawer__foot{margin-top:24px;display:grid;gap:12px;}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:110;opacity:0;visibility:hidden;transition:opacity .24s var(--ease);}
.overlay.is-open{opacity:1;visibility:visible;}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  :root{--container:1120px;}
}
@media (max-width:1199px){
  .nav__search{width:180px;}
  .nav__channels{gap:18px;}
  .nav__channels a{font-size:14px;}
}
@media (max-width:1024px){
  .nav__channels{display:none;}
  .nav__menu-btn{display:flex;}
  .nav__search{display:none;}
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .status-strip{grid-template-columns:repeat(2,1fr);}
  .quick-grid{grid-template-columns:repeat(3,1fr);}
  .footer__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
  .zig{grid-template-columns:1fr;gap:26px;padding:34px 0;}
  .zig--rev .zig__media{order:0;}
  .zig--rev .zig__text{order:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 24px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;}
  .quick-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .hero{padding:36px 0 52px;}
  .hero__actions .btn{flex:1 1 100%;}
}
@media (max-width:520px){
  .logo__text{font-size:15px;}
  .status-strip{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .footer__grid{grid-template-columns:1fr;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
  .hero__mini{grid-template-columns:1fr;gap:8px;}
  .faq summary{font-size:15px;padding:18px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .btn--primary:hover,.btn--ghost:hover,.quick:hover{transform:none;}
}