/* roulang page: index */
:root{
  --bg:#070B14;
  --surface:#0C1322;
  --surface-2:#111B2E;
  --brand:#2F6BFF;
  --brand-soft:rgba(47,107,255,.16);
  --cyan:#22E0C4;
  --amber:#FFB158;
  --text:#E8EEFA;
  --text-2:#A3B1C9;
  --text-3:#6C7C97;
  --line:rgba(140,170,255,.14);
  --line-strong:rgba(140,170,255,.28);
  --glass:rgba(18,28,48,.55);
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:22px;
  --radius-xl:28px;
  --pill:999px;
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-hover:0 18px 44px -18px rgba(47,107,255,.45);
  --shadow-over:0 30px 80px -30px rgba(0,0,0,.85);
  --container:1240px;
  --gap:24px;
  --gap-sm:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}
::selection{background:rgba(34,224,196,.3);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.num,.time,.stat__value{font-variant-numeric:tabular-nums}

h1,h2,h3,h4{font-weight:700;letter-spacing:.01em;color:var(--text)}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
h3{font-size:clamp(18px,1.6vw,22px);line-height:1.4;font-weight:600}
p{color:var(--text-2)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.section{padding:clamp(56px,7vw,104px) 0}
.section--tight{padding:clamp(44px,5vw,72px) 0}
.section--panel{background:linear-gradient(180deg,rgba(12,19,34,.9),rgba(7,11,20,.9));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:clamp(16px,3vw,40px);margin-bottom:clamp(28px,3.6vw,48px)}
.section-head__text{max-width:720px}
.section-desc{margin-top:10px;font-size:16px;color:var(--text-2);line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;color:var(--cyan);
  text-transform:none;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(34,224,196,.16)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none}
.btn--primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--cyan) 100%);
  color:#04121A;
  box-shadow:0 0 0 1px rgba(63,140,255,.35),0 10px 30px -10px rgba(47,107,255,.65);
}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(63,140,255,.5),0 16px 40px -12px rgba(34,224,196,.6)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(63,140,255,.35),0 4px 14px -8px rgba(47,107,255,.5)}
.btn--ghost{
  background:rgba(17,27,46,.5);color:var(--text);border-color:var(--line-strong);
}
.btn--ghost:hover{border-color:rgba(34,224,196,.55);color:#fff;background:rgba(34,224,196,.08);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn .spinner{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(4,18,26,.35);border-top-color:#04121A;
  animation:spin .7s linear infinite;display:none
}
.btn.is-loading .spinner{display:block}
.btn.is-loading .btn__label{opacity:.7}
@keyframes spin{to{transform:rotate(360deg)}}

.badge{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:var(--pill);
  font-size:12.5px;letter-spacing:.04em;font-weight:600;
  color:var(--cyan);background:rgba(34,224,196,.1);
  border:1px solid rgba(34,224,196,.28);
}
.badge--amber{color:var(--amber);background:rgba(255,177,88,.1);border-color:rgba(255,177,88,.3)}
.badge--blue{color:#9DBBFF;background:rgba(47,107,255,.14);border-color:rgba(47,107,255,.32)}
.time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}

.link-more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;font-weight:600;color:var(--cyan);
  padding-bottom:3px;border-bottom:1px solid rgba(34,224,196,.35);
  transition:color .2s,border-color .2s,gap .2s;
}
.link-more svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.link-more:hover{color:#7FF3E1;border-color:#7FF3E1;gap:10px}
.link-more:hover svg{transform:translateX(2px)}

/* ============ Header / Nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  transition:background .35s var(--ease),backdrop-filter .35s var(--ease),box-shadow .35s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(140,170,255,.4),transparent);
  opacity:0;transition:opacity .35s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,13,24,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 12px 40px -24px rgba(0,0,0,.9);
}
.site-header.is-scrolled::after{opacity:1}

.nav{display:flex;align-items:center;gap:clamp(16px,3vw,40px);height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand__mark{width:32px;height:32px;flex:none;filter:drop-shadow(0 4px 14px rgba(47,107,255,.5))}
.brand__text{
  font-size:17px;font-weight:700;letter-spacing:.01em;
  background:linear-gradient(120deg,#FFFFFF 10%,#B9D3FF 55%,#7FF3E1 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  white-space:nowrap;
}
.nav__list{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:var(--pill);
  font-size:14.5px;font-weight:500;color:var(--text-2);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav__link:hover{color:var(--text);background:rgba(140,170,255,.07)}
.nav__link.is-active{color:#fff}
.nav__link.is-active::after{transform:scaleX(1)}
.nav__actions{display:flex;align-items:center;gap:12px;flex:none}
.nav__toggle{
  display:none;width:44px;height:44px;border-radius:var(--pill);
  border:1px solid var(--line-strong);background:rgba(17,27,46,.6);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .25s,background .25s;
}
.nav__toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .3s var(--ease),opacity .25s}
.nav__toggle:hover{border-color:rgba(34,224,196,.5)}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-drawer{
  position:fixed;inset:74px 0 0;z-index:88;
  background:rgba(7,11,20,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:28px clamp(16px,6vw,40px) 48px;
  display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  overflow-y:auto;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:none}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:54px;padding:0 4px;font-size:17px;font-weight:600;color:var(--text);
  border-bottom:1px solid rgba(140,170,255,.1);
}
.nav-drawer a.is-active{color:var(--cyan)}
.nav-drawer a svg{width:16px;height:16px;color:var(--text-3)}
.nav-drawer .btn{margin-top:24px;width:100%;min-height:52px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:calc(74px + clamp(48px,7vw,96px)) 0 clamp(56px,7vw,96px)}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero__bg::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:linear-gradient(rgba(140,170,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(140,170,255,.07) 1px,transparent 1px);
  background-size:68px 68px;
  -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%);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;z-index:2;
  background:
    radial-gradient(110% 80% at 18% 8%,rgba(47,107,255,.3),transparent 62%),
    radial-gradient(70% 60% at 92% 18%,rgba(34,224,196,.16),transparent 68%),
    linear-gradient(180deg,rgba(7,11,20,.5) 0%,rgba(7,11,20,.9) 58%,#070B14 100%);
}
.hero__inner{
  position:relative;z-index:3;
  display:grid;grid-template-columns:7fr 5fr;gap:clamp(28px,4vw,56px);align-items:center;
}
.hero__copy{max-width:640px}
.hero h1{margin:14px 0 18px;max-width:15em}
.hero__sub{font-size:clamp(16px,1.4vw,19px);line-height:1.75;color:var(--text-2);max-width:30em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag-row li{
  padding:7px 15px;border-radius:var(--pill);
  font-size:13px;letter-spacing:.03em;color:var(--text-2);
  background:rgba(17,27,46,.55);border:1px solid var(--line);
  transition:border-color .25s,color .25s,background .25s;
}
.tag-row li:hover{border-color:rgba(34,224,196,.45);color:var(--text);background:rgba(34,224,196,.07)}

.glass{
  position:relative;overflow:hidden;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.glass::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);
}
.hero__panel{padding:18px;box-shadow:var(--shadow-over)}
.hero__panel-media{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/10;background:var(--surface-2)}
.hero__panel-media img{width:100%;height:100%;object-fit:cover}
.hero__panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 6px 12px}
.hero__panel-head strong{font-size:15.5px;font-weight:700}
.hero__panel-list{display:flex;flex-direction:column;gap:2px}
.hero__panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 6px;border-top:1px solid rgba(140,170,255,.12);
  font-size:14px;
}
.hero__panel-list li span{color:var(--text-3)}
.hero__panel-list li b{font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;text-align:right}

/* ============ Value cards ============ */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.value-card{
  position:relative;padding:26px 22px 24px;
  background:linear-gradient(180deg,rgba(17,27,46,.86),rgba(12,19,34,.86));
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.value-card::after{
  content:"";position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,224,196,.5),transparent);
  opacity:0;transition:opacity .3s var(--ease);
}
.value-card:hover{transform:translateY(-3px);border-color:rgba(34,224,196,.4);box-shadow:var(--shadow-hover)}
.value-card:hover::after{opacity:1}
.value-card__no{font-size:12px;letter-spacing:.14em;color:var(--amber);font-weight:700}
.value-card__icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin:14px 0 16px;
  background:linear-gradient(135deg,rgba(47,107,255,.22),rgba(34,224,196,.16));
  border:1px solid rgba(140,170,255,.2);
}
.value-card__icon svg{width:22px;height:22px;color:var(--cyan)}
.value-card h3{font-size:18px;margin-bottom:8px}
.value-card p{font-size:14.5px;line-height:1.8}

/* ============ Story ============ */
.story-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(26px,4vw,64px);align-items:center}
.story-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.story-media img{width:100%;height:100%;aspect-ratio:4/3.4;object-fit:cover}
.story-media__tag{
  position:absolute;left:16px;bottom:16px;
  padding:9px 15px;border-radius:var(--pill);font-size:13px;font-weight:600;
  background:rgba(8,13,24,.78);border:1px solid rgba(140,170,255,.3);color:var(--text);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.story-body h2{margin-bottom:16px}
.story-body > p{font-size:16px;line-height:1.9}
.story-steps{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.story-steps li{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:rgba(17,27,46,.55);border:1px solid var(--line);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.story-steps li:hover{border-color:rgba(34,224,196,.4);background:rgba(17,27,46,.85)}
.story-steps b{font-size:13px;font-weight:700;color:var(--cyan);letter-spacing:.06em;padding-top:2px}
.story-steps h3{font-size:16.5px;margin-bottom:4px}
.story-steps p{font-size:14.5px;line-height:1.75}

/* ============ Feature grid ============ */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(180deg,rgba(17,27,46,.9),rgba(11,18,32,.92));
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
  grid-column:span 4;
}
.feature-grid > .card:nth-child(1),
.feature-grid > .card:nth-child(2){grid-column:span 6}
.card:hover{transform:translateY(-2px);border-color:rgba(34,224,196,.42);box-shadow:var(--shadow-hover)}
.card__media{overflow:hidden;background:var(--surface-2)}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:19px;line-height:1.45}
.card__title a::after{content:"";position:absolute;inset:0;border-radius:var(--radius)}
.card__title a:hover{color:#B9D3FF}
.card__body p{font-size:14.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card__link{
  margin-top:auto;display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--cyan);
}
.card__link svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.card:hover .card__link svg{transform:translateX(3px)}
.card__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

/* ============ Latest / CMS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(180deg,rgba(17,27,46,.88),rgba(11,18,32,.92));
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(34,224,196,.42);box-shadow:var(--shadow-hover)}
.news-card__media{overflow:hidden;background:var(--surface-2)}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.news-card__title{font-size:17.5px;line-height:1.5}
.news-card__title a::after{content:"";position:absolute;inset:0;border-radius:var(--radius)}
.news-card__title a:hover{color:#B9D3FF}
.news-card__desc{
  font-size:14.5px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__more{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:var(--cyan)}
.news-card__more svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.news-card:hover .news-card__more svg{transform:translateX(3px)}
.news-card--lead{
  grid-column:1/-1;
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);align-items:stretch;
}
.news-card--lead .news-card__media{height:100%}
.news-card--lead .news-card__media img{height:100%;aspect-ratio:auto;min-height:260px}
.news-card--lead .news-card__body{padding:clamp(20px,3vw,34px);justify-content:center;gap:14px}
.news-card--lead .news-card__title{font-size:clamp(19px,2vw,25px);line-height:1.4}
.news-card--lead .news-card__desc{-webkit-line-clamp:3;font-size:15px}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:clamp(36px,5vw,60px) 24px;text-align:center;
  border:1px dashed rgba(140,170,255,.24);border-radius:var(--radius-lg);
  background:rgba(12,19,34,.6);
}
.empty-state svg{width:38px;height:38px;color:var(--text-3)}
.empty-state p{font-size:15px;color:var(--text-2)}

/* ============ Trust ============ */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);margin-bottom:clamp(28px,3.6vw,44px)}
.trust-item{
  padding:22px;border-radius:var(--radius);
  background:rgba(17,27,46,.6);border:1px solid var(--line);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.trust-item:hover{border-color:rgba(140,170,255,.32);transform:translateY(-2px)}
.trust-item .stat__value{font-size:clamp(26px,3vw,34px);font-weight:700;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
.trust-item .stat__value em{font-style:normal;font-size:15px;color:var(--amber);margin-left:4px;font-weight:600}
.trust-item p{margin-top:8px;font-size:14px;line-height:1.75}
.trust-note{
  display:grid;grid-template-columns:6fr 6fr;gap:clamp(20px,3vw,40px);
  padding:clamp(22px,3vw,32px);border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(47,107,255,.14),rgba(34,224,196,.08));
  border:1px solid rgba(140,170,255,.2);
}
.trust-note h3{font-size:17px;margin-bottom:8px}
.trust-note p{font-size:14.5px;line-height:1.85}
.trust-note ul{display:flex;flex-direction:column;gap:10px}
.trust-note li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.trust-note li svg{width:16px;height:16px;color:var(--cyan);flex:none;margin-top:6px}

/* ============ Subscribe ============ */
.subscribe-wrap{
  display:grid;grid-template-columns:6fr 5fr;gap:clamp(24px,4vw,56px);align-items:center;
  padding:clamp(26px,4vw,48px);border-radius:var(--radius-xl);
  background:linear-gradient(135deg,rgba(17,27,46,.92),rgba(12,19,34,.92));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.subscribe-wrap::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,196,.18),transparent 70%);pointer-events:none;
}
.subscribe-body .eyebrow{margin-bottom:10px}
.subscribe-body h2{margin-bottom:14px}
.subscribe-body p{font-size:15.5px;line-height:1.85}
.subscribe-form{position:relative;display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;color:var(--text-2);font-weight:500}
.field input{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(7,11,20,.85);border:1px solid var(--line-strong);
  color:var(--text);font-size:15px;line-height:1.4;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:hover{border-color:rgba(140,170,255,.4)}
.field input:focus{
  outline:none;border-color:var(--cyan);background:rgba(7,11,20,.95);
  box-shadow:0 0 0 3px rgba(34,224,196,.18);
}
.field.is-error input{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,177,88,.16)}
.form-msg{font-size:13.5px;min-height:20px;color:var(--text-3)}
.form-msg.is-error{color:var(--amber)}
.form-msg.is-ok{color:var(--cyan);display:flex;align-items:center;gap:6px}
.form-msg svg{width:15px;height:15px;flex:none}
.form-hint{font-size:13px;color:var(--text-3);line-height:1.7}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto}
.faq__item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(17,27,46,.55);overflow:hidden;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.faq__item:hover{border-color:rgba(140,170,255,.3)}
.faq__item[open]{border-color:rgba(34,224,196,.36);background:rgba(17,27,46,.8);box-shadow:inset 2px 0 0 var(--cyan)}
.faq__q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq__q::-webkit-details-marker{display:none}
.faq__q svg{width:18px;height:18px;flex:none;color:var(--cyan);transition:transform .3s var(--ease)}
.faq__item[open] .faq__q svg{transform:rotate(45deg)}
.faq__a{padding:0 22px 20px;animation:fadeIn .32s var(--ease) both}
.faq__a p{font-size:15px;line-height:1.9}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ============ Footer ============ */
.site-footer{
  position:relative;margin-top:clamp(40px,5vw,72px);
  background:linear-gradient(180deg,rgba(12,19,34,.9),rgba(7,11,20,1));
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(140,170,255,.34),transparent) 1;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:clamp(22px,3.4vw,48px);
  padding:clamp(40px,5vw,68px) 0 34px;
}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14.5px;line-height:1.85;max-width:30em}
.footer-col h3{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--text-2);transition:color .22s var(--ease),padding-left .22s var(--ease)}
.footer-col a:hover{color:var(--cyan);padding-left:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid rgba(140,170,255,.12);
  font-size:13.5px;color:var(--text-3);
}
.footer-bottom .dotted{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;margin-right:8px;vertical-align:middle;box-shadow:0 0 0 4px rgba(34,224,196,.14)}

/* ============ Responsive ============ */
@media (max-width:1280px){
  :root{--container:1200px}
}
@media (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero__copy{max-width:none}
  .hero__panel{max-width:560px;width:100%}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .story-grid{grid-template-columns:1fr;gap:30px}
  .story-media img{aspect-ratio:16/9}
  .feature-grid > .card,
  .feature-grid > .card:nth-child(1),
  .feature-grid > .card:nth-child(2){grid-column:span 6}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--lead{grid-template-columns:1fr}
  .news-card--lead .news-card__media img{aspect-ratio:16/9;min-height:0;height:auto}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-note{grid-template-columns:1fr;gap:22px}
  .subscribe-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav__list,.nav__actions .btn{display:none}
  .nav__toggle{display:inline-flex}
  .section{padding:clamp(48px,9vw,64px) 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .feature-grid{grid-template-columns:1fr}
  .feature-grid > .card,
  .feature-grid > .card:nth-child(1),
  .feature-grid > .card:nth-child(2){grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .hero{padding-top:calc(74px + 40px);min-height:78vh;display:flex;align-items:center}
  .hero__inner{width:100%}
  .hero__actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .value-grid,.trust-grid{grid-template-columns:1fr}
  .tag-row li{font-size:12.5px;padding:6px 12px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .subscribe-wrap{padding:22px}
  .faq__q{padding:16px;font-size:15px}
  .faq__a{padding:0 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-2:#0C1322;
  --surface:#111B2E;
  --brand:#2F6BFF;
  --brand-2:#3F8CFF;
  --accent:#22E0C4;
  --amber:#FFB158;
  --text:#E8EEFA;
  --text-2:#A3B1C9;
  --text-3:#6C7C97;
  --line:rgba(140,170,255,.14);
  --line-strong:rgba(140,170,255,.28);
  --glass:rgba(18,28,48,.55);
  --glass-2:rgba(17,27,46,.78);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-2:0 18px 44px -18px rgba(47,107,255,.45);
  --shadow-3:0 30px 80px -30px rgba(0,0,0,.85);
  --header-h:72px;
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(140,170,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,170,255,.045) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:inherit;text-decoration:none}
button,input,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{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(47,107,255,.45);color:#fff}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:clamp(16px,4vw,40px);
  padding-right:clamp(16px,4vw,40px);
}

/* ============ 按钮与徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn svg{width:16px;height:16px;flex:none}
.btn--primary{
  background:linear-gradient(120deg,var(--brand),var(--accent));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(63,140,255,.35),0 10px 30px -10px rgba(47,107,255,.65);
}
.btn--primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(63,140,255,.45),0 16px 38px -12px rgba(34,224,196,.6);
}
.btn--primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(63,140,255,.3)}
.btn--ghost{
  border:1px solid var(--line-strong);
  color:var(--text);
  background:rgba(18,28,48,.35);
}
.btn--ghost:hover{border-color:var(--accent);color:#fff;background:rgba(34,224,196,.08)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--accent);
  background:rgba(34,224,196,.1);
  border:1px solid rgba(34,224,196,.28);
}
.badge--amber{color:var(--amber);background:rgba(255,177,88,.1);border-color:rgba(255,177,88,.3)}
.badge--blue{color:#9CBBFF;background:rgba(47,107,255,.14);border-color:rgba(47,107,255,.34)}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.84);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;gap:18px;height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand__mark{width:28px;height:28px;flex:none}
.brand__text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text);white-space:nowrap}
.brand:hover .brand__text{color:#fff}
.nav__list{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-16px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--brand));
  opacity:0;
  transition:opacity .2s ease;
}
.nav__link:hover{color:var(--text);background:rgba(47,107,255,.12)}
.nav__link.is-active{color:#fff}
.nav__link.is-active::after{opacity:1}
.nav__actions{margin-left:8px}
.nav__toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  margin-left:auto;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(18,28,48,.5);
  align-items:center;
}
.nav__toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-drawer{
  display:none;
  position:fixed;
  top:var(--header-h);left:0;right:0;bottom:0;
  z-index:110;
  flex-direction:column;
  gap:8px;
  padding:22px clamp(16px,4vw,40px) 48px;
  background:rgba(7,11,20,.97);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  overflow-y:auto;
}
.nav-drawer.is-open{display:flex}
.nav-drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(18,28,48,.5);
  font-size:16px;
  color:var(--text);
}
.nav-drawer a svg{width:18px;height:18px;color:var(--text-3)}
.nav-drawer a.is-active{border-color:rgba(34,224,196,.4);color:#fff}
.nav-drawer .btn{margin-top:10px;border:0;color:#04121A;justify-content:center}

/* ============ 页面主体 ============ */
main{position:relative;z-index:1;padding-top:calc(var(--header-h) + 28px)}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-hero{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:
    linear-gradient(115deg,rgba(11,18,32,.96) 0%,rgba(9,15,27,.88) 55%,rgba(12,22,40,.82) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:clamp(26px,4vw,48px);
  box-shadow:var(--shadow-3);
}
.article-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(680px 240px at 82% -20%,rgba(34,224,196,.16),transparent 70%);
  pointer-events:none;
}
.article-hero__inner{position:relative;z-index:2;max-width:840px}
.article-title{
  font-size:clamp(26px,3.6vw,44px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.01em;
  margin:16px 0 18px;
}
.article-lead{
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  max-width:72ch;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-3);
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{width:15px;height:15px;color:var(--accent);flex:none}
.meta-item--tag{
  padding:3px 12px;
  border-radius:var(--r-pill);
  color:var(--amber);
  background:rgba(255,177,88,.09);
  border:1px solid rgba(255,177,88,.26);
}

/* 阅读布局 */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
  margin-top:44px;
}
.article-main{min-width:0}
.card-panel{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(18,28,48,.62),rgba(12,19,34,.62));
  box-shadow:var(--shadow-1);
  padding:clamp(20px,3vw,40px);
}
.article-side{display:none;min-width:0}

/* 正文排版 */
.article-body{font-size:16px;line-height:1.95;color:var(--text-2)}
.article-body > * + *{margin-top:22px}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  color:var(--text);
  margin-top:46px;
  padding-left:16px;
  border-left:3px solid var(--accent);
}
.article-body h3{font-size:20px;color:var(--text);margin-top:34px}
.article-body h4{font-size:17px;color:var(--text);margin-top:26px}
.article-body p{color:var(--text-2)}
.article-body strong{color:var(--text);font-weight:600}
.article-body em{color:var(--amber);font-style:normal}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(34,224,196,.35);transition:color .2s ease}
.article-body a:hover{color:#7BF3E1}
.article-body ul,.article-body ol{padding-left:24px;display:grid;gap:10px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{color:var(--text-2)}
.article-body li::marker{color:var(--accent)}
.article-body blockquote{
  margin:30px 0;
  padding:18px 24px;
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:var(--glass);
  color:var(--text);
}
.article-body img{border-radius:var(--r-sm);width:100%;box-shadow:var(--shadow-1)}
.article-body figure{margin:30px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body th{background:rgba(47,107,255,.12);color:var(--text);font-weight:600}
.article-body pre{
  background:#0A1220;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:16px 18px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.75;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  color:var(--accent);
  background:rgba(34,224,196,.08);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre code{background:none;padding:0;color:#B9D4FF}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:38px 0}

.notice{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:20px 22px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-md);
  background:var(--glass);
}
.notice svg{width:22px;height:22px;color:var(--amber);flex:none;margin-top:3px}
.notice p{color:var(--text-2);font-size:15px}

/* 文末区 */
.article-foot{margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row__label{font-size:13px;color:var(--text-3);letter-spacing:.04em}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(18,28,48,.5);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--accent);color:#fff;background:rgba(34,224,196,.1)}

.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.post-nav__item{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--glass);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.post-nav__item:hover{border-color:rgba(34,224,196,.42);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.post-nav__label{font-size:12px;letter-spacing:.08em;color:var(--text-3)}
.post-nav__title{font-size:15px;color:var(--text);font-weight:600}

/* 通用板块 */
.section{margin-top:clamp(56px,8vw,96px)}
.section__head{max-width:720px;margin-bottom:30px}
.section__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent);
  text-transform:uppercase;
}
.section__eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
.section__title{font-size:clamp(23px,2.8vw,32px);margin:12px 0 12px}
.section__desc{color:var(--text-2);font-size:15.5px}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-1);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(34,224,196,.4);box-shadow:var(--shadow-2)}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 40%,rgba(7,11,20,.7) 100%)}
.card__badge{position:absolute;top:12px;left:12px;z-index:2}
.card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:18px;line-height:1.45;color:var(--text)}
.card__text{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}
.card__foot svg{width:15px;height:15px;color:var(--accent);transition:transform .24s ease}
.card:hover .card__foot svg{transform:translateX(3px)}

/* 侧栏 */
.side-card{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--glass);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.side-card + .side-card{margin-top:20px}
.side-card h3{font-size:15px;color:var(--text);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list{display:grid;gap:4px}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:0 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.side-list a:hover{background:rgba(47,107,255,.12);color:#fff}
.side-list a svg{width:14px;height:14px;color:var(--text-3)}
.side-note{font-size:13.5px;color:var(--text-3);line-height:1.8}

/* FAQ */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--glass);
  overflow:hidden;
  transition:border-color .24s ease,background .24s ease;
}
.faq details[open]{border-color:rgba(34,224,196,.4);background:rgba(18,28,48,.72)}
.faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:58px;
  padding:16px 22px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";
  flex:none;
  width:11px;height:11px;
  border-right:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(45deg);
  transition:transform .26s ease;
  margin-top:-4px;
}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq__answer{
  padding:0 22px 20px 22px;
  border-left:2px solid var(--accent);
  margin-left:22px;
  color:var(--text-2);
  font-size:15px;
  animation:fadeUp .3s ease both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* 订阅 CTA */
.cta{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  background:
    linear-gradient(120deg,rgba(10,17,30,.96),rgba(13,26,46,.9)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding:clamp(26px,4vw,52px);
  box-shadow:var(--shadow-3);
}
.cta::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 220px at 88% 8%,rgba(47,107,255,.28),transparent 70%);
  pointer-events:none;
}
.cta__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cta h2{font-size:clamp(23px,3vw,32px);margin-bottom:14px}
.cta p{color:var(--text-2);font-size:15.5px;max-width:56ch}
.cta__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--text-2);
  border:1px solid var(--line-strong);
  background:rgba(18,28,48,.55);
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.form-card{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  padding:22px;
}
.form-card h3{font-size:16px;margin-bottom:6px}
.form-card p{font-size:13.5px;color:var(--text-3);margin-bottom:16px}
.field{display:block;margin-bottom:12px}
.field__label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px}
.field input{
  width:100%;
  height:46px;
  padding:0 15px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-strong);
  background:rgba(7,11,20,.72);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,196,.18)}
.field.is-error input{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,177,88,.14)}
.field__msg{display:none;margin-top:6px;font-size:12.5px;color:var(--amber)}
.field.is-error .field__msg{display:block}
.form-status{margin-top:10px;font-size:13px;color:var(--accent);min-height:18px}
.spinner{
  display:none;
  width:14px;height:14px;
  border:2px solid rgba(4,18,26,.35);
  border-top-color:#04121A;
  border-radius:50%;
  animation:spin .7s linear infinite;
}
.btn.is-loading .spinner{display:inline-block}
.btn.is-loading{pointer-events:none;opacity:.85}
@keyframes spin{to{transform:rotate(360deg)}}

/* 页脚 */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(60px,8vw,110px);
  padding:64px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,19,34,.68),rgba(7,11,20,.98));
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,224,196,.5),rgba(47,107,255,.4),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);max-width:38ch;line-height:1.85}
.footer-col h3{font-size:14px;color:var(--text);letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-3);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.dotted{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:middle}

/* 响应式 */
@media (min-width:1025px){
  .nav-drawer{display:none !important}
}
@media (max-width:1024px){
  .nav__list,.nav__actions{display:none}
  .nav__toggle{display:flex}
  .article-meta{gap:10px 16px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta__grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:center;gap:44px}
  .article-side{display:block;position:sticky;top:calc(var(--header-h) + 24px);align-self:start}
}
@media (max-width:768px){
  main{padding-top:calc(var(--header-h) + 18px)}
  .article-hero{border-radius:var(--r-md)}
  .card-panel{border-radius:var(--r-md)}
  .post-nav{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr;gap:18px}
  .breadcrumb .current{white-space:normal;max-width:100%}
}
@media (max-width:520px){
  .brand__text{font-size:15.5px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta__points{gap:8px}
  .chip{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg:#070B14;
  --surface:#0C1322;
  --surface-2:#111B2E;
  --brand:#2F6BFF;
  --brand-2:#22E0C4;
  --amber:#FFB158;
  --text:#E8EEFA;
  --text-2:#A3B1C9;
  --text-3:#6C7C97;
  --line:rgba(140,170,255,.14);
  --line-strong:rgba(140,170,255,.28);
  --glass:rgba(18,28,48,.55);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:24px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-2:0 18px 44px -18px rgba(47,107,255,.45);
  --shadow-3:0 30px 80px -30px rgba(0,0,0,.85);
  --max:1200px;
  --gutter:clamp(16px,4vw,40px);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:
    radial-gradient(1100px 560px at 82% -12%, rgba(47,107,255,.20), transparent 62%),
    radial-gradient(880px 480px at -6% 8%, rgba(34,224,196,.10), transparent 58%),
    var(--bg);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(140,170,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,255,.055) 1px, transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(1200px 700px at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(1200px 700px at 50% 0%, #000 0%, transparent 78%);
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.25}
p{margin:0}
button,input{font:inherit;color:inherit}
::selection{background:rgba(34,224,196,.28);color:#fff}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter);position:relative;z-index:1}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  white-space:nowrap;
  transition:transform .22s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease, filter .22s ease;
}
.btn svg{width:16px;height:16px;flex:none}
.btn--primary{
  background:linear-gradient(120deg,#2F6BFF 0%, #22E0C4 100%);
  color:#05121C;
  box-shadow:0 0 0 1px rgba(63,140,255,.35), 0 10px 30px -10px rgba(47,107,255,.65);
}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(63,140,255,.5), 0 18px 40px -12px rgba(47,107,255,.8)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(63,140,255,.35)}
.btn--ghost{
  background:rgba(255,255,255,.02);
  border-color:var(--line);
  color:var(--text);
}
.btn--ghost:hover{border-color:rgba(34,224,196,.55);background:rgba(34,224,196,.07);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--sm{padding:10px 18px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(9,15,27,.82);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px -22px rgba(0,0,0,.9);
}
.nav{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand__mark{width:30px;height:30px;flex:none}
.brand__text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.brand:hover .brand__text{color:#fff}
.nav__list{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav__link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  color:var(--text-2);font-size:15px;font-weight:500;transition:color .22s ease, background .22s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2F6BFF,#22E0C4);
  transform:scaleX(0);transform-origin:left center;transition:transform .28s ease;
}
.nav__link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:#fff}
.nav__actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav__toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:rgba(18,28,48,.6);align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;transition:border-color .22s ease, background .22s ease;
}
.nav__toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .26s ease, opacity .22s ease}
.nav__toggle:hover{border-color:var(--line-strong);background:rgba(24,36,60,.85)}
.nav__toggle:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.nav__toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.is-open span:nth-child(2){opacity:0}
.nav__toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{
  display:none;position:fixed;inset:74px 0 0 0;z-index:55;
  background:rgba(7,11,20,.97);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  padding:24px var(--gutter) 48px;
  overflow-y:auto;
}
.nav-drawer.is-open{display:block}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:56px;padding:0 4px;border-bottom:1px solid var(--line);
  font-size:16px;color:var(--text-2);
}
.nav-drawer a svg{width:18px;height:18px;color:var(--text-3)}
.nav-drawer a.is-active{color:#fff}
.nav-drawer a.is-active svg{color:var(--brand-2)}
.nav-drawer .btn{margin-top:26px;width:100%;border-bottom:0}

/* ---------- 面包屑 ---------- */
main{position:relative;z-index:1}
.breadcrumb{padding:104px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"›";color:var(--text-3);opacity:.7}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .current{color:var(--text-3)}

/* ---------- 分类头图 ---------- */
.cat-hero{
  position:relative;margin-top:18px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);
  background-image:
    linear-gradient(105deg, rgba(7,11,20,.94) 0%, rgba(9,16,30,.82) 46%, rgba(10,20,38,.62) 100%),
    url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-3);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(140,170,255,.06) 1px, transparent 1px),linear-gradient(90deg, rgba(140,170,255,.06) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,#000,transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 78%);
  pointer-events:none;
}
.cat-hero__inner{position:relative;z-index:2;padding:clamp(30px,5vw,64px) clamp(22px,4vw,56px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;border:1px solid rgba(34,224,196,.32);
  background:rgba(34,224,196,.08);color:#8DF3E2;
  font-size:12.5px;letter-spacing:.06em;font-weight:600;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px rgba(34,224,196,.9)}
.cat-hero h1{margin-top:18px;font-size:clamp(30px,4.2vw,50px);line-height:1.16;font-weight:700;max-width:20ch}
.cat-hero h1 em{font-style:normal;background:linear-gradient(100deg,#7FA8FF,#22E0C4);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero__lead{margin-top:18px;max-width:60ch;color:var(--text-2);font-size:16px}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-2);font-size:13px;letter-spacing:.02em;
}
.chip:hover{border-color:rgba(34,224,196,.45);color:var(--text)}
.stat-strip{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  border-top:1px solid var(--line);background:rgba(140,170,255,.10);
}
.stat-strip .stat{
  background:rgba(10,17,30,.72);
  padding:20px clamp(16px,3vw,28px);
}
.stat__num{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.2}
.stat__num span{color:var(--brand-2);font-size:16px;margin-left:2px}
.stat__label{margin-top:6px;font-size:13.5px;color:var(--text-3)}

/* ---------- 主体布局：左锚点 + 右内容 ---------- */
.cat-layout{
  display:grid;grid-template-columns:264px minmax(0,1fr);gap:clamp(24px,3vw,44px);
  padding:clamp(48px,6vw,88px) 0 0;align-items:start;
}
.anchor-nav{position:sticky;top:100px}
.anchor-nav__card{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-1);
  padding:20px 18px;
  position:relative;overflow:hidden;
}
.anchor-nav__card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg, rgba(47,107,255,.7), rgba(34,224,196,.5), transparent);
}
.anchor-nav__title{font-size:13px;letter-spacing:.08em;color:var(--text-3);font-weight:600;margin-bottom:14px}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px}
.anchor-nav a{
  display:flex;align-items:baseline;gap:10px;
  padding:11px 12px;border-radius:10px;border-left:2px solid transparent;
  color:var(--text-2);font-size:14.5px;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-nav a b{font-size:12px;font-weight:700;color:var(--text-3);font-variant-numeric:tabular-nums}
.anchor-nav a:hover{background:rgba(255,255,255,.045);color:var(--text)}
.anchor-nav a.is-active{border-left-color:var(--brand-2);background:rgba(34,224,196,.07);color:#fff}
.anchor-nav a.is-active b{color:var(--brand-2)}
.anchor-nav__foot{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.anchor-nav__foot .btn{width:100%;margin-top:12px}

.content-col{display:flex;flex-direction:column;gap:clamp(56px,6vw,84px);min-width:0}
.section-head{max-width:70ch}
.section-head h2{font-size:clamp(23px,2.9vw,34px);line-height:1.25}
.section-head p{margin-top:12px;color:var(--text-2)}
.section-head .kicker{
  display:block;font-size:12.5px;letter-spacing:.12em;color:var(--brand-2);font-weight:600;margin-bottom:12px;
}
.divider{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg, rgba(140,170,255,.30), rgba(140,170,255,.06) 60%, transparent);
}

/* ---------- 概览小卡 ---------- */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.mini-card{
  padding:20px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(24,36,60,.5), rgba(12,19,34,.5));
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.mini-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.mini-card__ico{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,107,255,.14);border:1px solid rgba(47,107,255,.28);color:#8FB4FF;margin-bottom:14px;
}
.mini-card__ico svg{width:19px;height:19px}
.mini-card h3{font-size:17px;font-weight:600}
.mini-card p{margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ---------- 赛程时间线 ---------- */
.timeline{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.timeline__item{
  display:grid;grid-template-columns:86px minmax(0,1fr) auto;align-items:center;gap:18px;
  padding:18px 20px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(18,28,48,.4);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.timeline__item:hover{transform:translateY(-2px);border-color:rgba(140,170,255,.3);background:rgba(24,36,60,.6)}
.timeline__time{font-size:19px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.timeline__time small{display:block;font-size:12px;font-weight:500;color:var(--text-3);margin-top:2px}
.timeline__body h3{font-size:16px;font-weight:600}
.timeline__body p{margin-top:5px;font-size:14px;color:var(--text-2);line-height:1.7}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.03em;white-space:nowrap;
}
.badge--live{background:rgba(34,224,196,.12);border:1px solid rgba(34,224,196,.36);color:#7DEFDA}
.badge--soon{background:rgba(47,107,255,.14);border:1px solid rgba(47,107,255,.36);color:#9CB9FF}
.badge--done{background:rgba(255,177,88,.10);border:1px solid rgba(255,177,88,.30);color:var(--amber)}
.badge--live .pulse{width:6px;height:6px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 0 rgba(34,224,196,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,224,196,.55)}70%{box-shadow:0 0 0 8px rgba(34,224,196,0)}100%{box-shadow:0 0 0 0 rgba(34,224,196,0)}}

/* ---------- 模块卡网格 ---------- */
.module-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px}
.module-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;
  background:rgba(18,28,48,.45);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.module-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.module-card__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.module-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.85}
.module-card:hover .module-card__media img{transform:scale(1.04)}
.module-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,11,20,.15), rgba(7,11,20,.86));
}
.module-card__tag{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(7,11,20,.7);border:1px solid rgba(34,224,196,.34);color:#8DF3E2;
}
.module-card__body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.module-card__body h3{font-size:18px;font-weight:600}
.module-card__body > p{margin-top:9px;font-size:14.5px;color:var(--text-2);line-height:1.78}
.tick-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.tick-list li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.65}
.tick-list svg{width:15px;height:15px;flex:none;margin-top:5px;color:var(--brand-2)}

/* ---------- 提醒表单 ---------- */
.panel{
  margin-top:28px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(24,36,60,.62), rgba(11,18,32,.72));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  padding:clamp(22px,3.4vw,36px);
  box-shadow:var(--shadow-1);
}
.panel__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(22px,3vw,40px);align-items:center}
.panel h3{font-size:20px}
.panel p{margin-top:10px;color:var(--text-2);font-size:14.5px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;color:var(--text-2);letter-spacing:.02em}
.field-row{display:flex;gap:10px;flex-wrap:wrap}
.field input[type="email"],.field select{
  flex:1 1 220px;min-width:0;min-height:48px;padding:12px 16px;border-radius:var(--radius-sm);
  background:rgba(7,11,20,.72);border:1px solid var(--line);color:var(--text);
  transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand-2);
  box-shadow:0 0 0 3px rgba(34,224,196,.18);
  background:rgba(7,11,20,.9);
}
.form-hint{margin-top:12px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;min-height:20px}
.subscribe-form.is-error input{border-color:rgba(255,177,88,.75);box-shadow:0 0 0 3px rgba(255,177,88,.14)}
.subscribe-form.is-error .form-hint{color:var(--amber)}
.subscribe-form.is-success .form-hint{color:#7DEFDA}

/* ---------- FAQ ---------- */
.faq{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(18,28,48,.42);
  padding:2px 20px;
  transition:border-color .22s ease,background .22s ease;
}
.faq details:hover{border-color:var(--line-strong)}
.faq details[open]{border-left:2px solid var(--brand-2);background:rgba(24,36,60,.6)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 0;cursor:pointer;list-style:none;font-size:16px;font-weight:600;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .arrow{
  width:26px;height:26px;flex:none;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:transform .26s ease, color .22s ease, border-color .22s ease;
}
.faq summary .arrow svg{width:14px;height:14px}
.faq details[open] summary .arrow{transform:rotate(180deg);color:var(--brand-2);border-color:rgba(34,224,196,.45)}
.faq .faq__body{padding:0 0 20px;color:var(--text-2);font-size:14.8px;line-height:1.85;max-width:74ch;animation:fadeIn .32s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.faq summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:4px;border-radius:8px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background-image:
    linear-gradient(100deg, rgba(7,11,20,.94), rgba(12,26,48,.78)),
    url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  padding:clamp(28px,4.6vw,56px);
  box-shadow:var(--shadow-3);
}
.cta-band__grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:center;position:relative;z-index:2}
.cta-band h2{font-size:clamp(23px,3vw,34px)}
.cta-band p{margin-top:14px;color:var(--text-2);max-width:56ch}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-band__side{
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  background:rgba(9,15,27,.6);
  display:flex;flex-direction:column;gap:14px;
}
.cta-band__side .row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--text-2)}
.cta-band__side .row strong{color:#fff;font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(64px,8vw,110px);
  border-top:1px solid transparent;
  background:linear-gradient(180deg, rgba(10,17,30,.4), rgba(6,10,18,.95));
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg, transparent, rgba(47,107,255,.55), rgba(34,224,196,.45), transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:clamp(22px,3vw,44px);
  padding:clamp(40px,5vw,68px) 0 clamp(28px,3vw,40px);
}
.footer-brand p{margin-top:16px;color:var(--text-2);font-size:14.5px;max-width:38ch}
.footer-col h3{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:16px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{color:var(--text-2);font-size:14.5px;transition:color .2s ease}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 34px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.footer-bottom .dotted{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand-2);margin-right:8px;vertical-align:middle}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav__list,.nav__actions{display:none}
  .nav__toggle{display:flex}
  .nav{justify-content:space-between}
  .cat-layout{grid-template-columns:1fr;padding-top:52px}
  .anchor-nav{position:static}
  .anchor-nav__card{padding:16px}
  .anchor-nav ul{flex-direction:row;flex-wrap:wrap;gap:6px}
  .anchor-nav a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:13.5px}
  .anchor-nav a b{display:none}
  .anchor-nav a.is-active{border-color:rgba(34,224,196,.5);background:rgba(34,224,196,.08)}
  .anchor-nav__foot{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .cat-hero__inner{padding:28px 20px}
  .stat-strip{grid-template-columns:1fr}
  .stat-strip .stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:15px 20px}
  .stat__label{margin-top:0}
  .mini-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:1fr}
  .timeline__item{grid-template-columns:64px minmax(0,1fr);row-gap:10px;padding:16px}
  .timeline__item .badge{grid-column:2}
  .panel__grid,.cta-band__grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .brand__text{font-size:15px}
  .cat-hero h1{font-size:28px}
  .chip-row{gap:8px}
  .chip{font-size:12.5px;padding:6px 12px}
  .btn{width:100%}
  .btn--sm{width:auto}
  .timeline__time{font-size:17px}
  .faq summary{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg:#070B14;
  --bg-2:#0C1322;
  --surface:#111B2E;
  --brand:#2F6BFF;
  --brand-2:#22E0C4;
  --amber:#FFB158;
  --text:#E8EEFA;
  --text-2:#A3B1C9;
  --text-3:#6C7C97;
  --line:rgba(140,170,255,.14);
  --line-strong:rgba(140,170,255,.30);
  --glass:rgba(18,28,48,.55);
  --glass-2:rgba(17,27,46,.78);
  --r-xs:10px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-card:0 8px 24px -12px rgba(0,0,0,.7);
  --sh-hover:0 18px 44px -18px rgba(47,107,255,.45);
  --sh-float:0 30px 80px -30px rgba(0,0,0,.85);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --gutter:clamp(16px,4vw,40px);
  --sec-pc:88px;
  --sec-mb:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 10% -6%,rgba(47,107,255,.20),transparent 62%),
    radial-gradient(720px 440px at 94% 6%,rgba(34,224,196,.11),transparent 64%);
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:4px}
::selection{background:rgba(47,107,255,.4);color:#fff}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
  position:relative;
  z-index:1;
}
main{position:relative;z-index:1}
section{position:relative;z-index:1}

/* ---------- 通用文字层级 ---------- */
.h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:.01em;
}
.h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:.01em;
}
.h3{
  font-size:20px;
  line-height:1.4;
  font-weight:600;
  letter-spacing:.01em;
}
.lead{color:var(--text-2);font-size:clamp(16px,1.6vw,18px);line-height:1.8}
.muted{color:var(--text-3);font-size:14px;line-height:1.7}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head .eyebrow{display:inline-block;margin-bottom:14px}
.sec-head p{margin-top:14px;color:var(--text-2)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--brand-2);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:linear-gradient(90deg,var(--brand-2),transparent);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn svg{width:16px;height:16px;flex:none}
.btn--primary{
  color:#04101F;
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);
  box-shadow:0 0 0 1px rgba(63,140,255,.35),0 10px 30px -10px rgba(47,107,255,.65);
}
.btn--primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(63,140,255,.5),0 16px 38px -12px rgba(47,107,255,.8);
}
.btn--primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(63,140,255,.35),0 4px 14px -8px rgba(47,107,255,.6)}
.btn--ghost{
  color:var(--text);
  border:1px solid var(--line-strong);
  background:rgba(18,28,48,.35);
}
.btn--ghost:hover{border-color:var(--brand-2);color:#fff;background:rgba(34,224,196,.08)}
.btn--ghost:active{transform:translateY(1px)}
.btn--sm{min-height:38px;padding:0 18px;font-size:14px}
.btn--lg{min-height:52px;padding:0 30px;font-size:16px}
.btn--block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(18,28,48,.5);
  color:var(--text-2);
  font-size:12.5px;
  letter-spacing:.04em;
}
.tag--brand{color:var(--brand-2);border-color:rgba(34,224,196,.36);background:rgba(34,224,196,.08)}
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--brand-2);
  background:rgba(34,224,196,.10);
  border:1px solid rgba(34,224,196,.28);
}
.badge--amber{
  color:var(--amber);
  background:rgba(255,177,88,.10);
  border-color:rgba(255,177,88,.3);
}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:80;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(9,14,26,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px -24px rgba(0,0,0,.9);
}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  height:74px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand__mark{width:30px;height:30px;flex:none}
.brand__text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--text);
}
.nav__list{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav__link:hover{color:#fff;background:rgba(140,170,255,.08)}
.nav__link.is-active{color:#fff}
.nav__link.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:-16px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.nav__actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav__toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(18,28,48,.6);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  margin-left:auto;
}
.nav__toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-drawer{
  display:none;
  position:fixed;
  inset:74px 0 0 0;
  z-index:79;
  padding:22px var(--gutter) 40px;
  background:rgba(7,11,20,.96);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  overflow-y:auto;
}
.nav-drawer.is-open{display:block;animation:drawerIn .26s var(--ease)}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.nav-drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:56px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--text-2);
}
.nav-drawer a.is-active{color:#fff}
.nav-drawer a svg{width:18px;height:18px;color:var(--text-3)}
.nav-drawer .btn{
  margin-top:24px;
  border-bottom:0;
  color:#04101F;
  justify-content:center;
}

/* ---------- Hero ---------- */
.hero--inner{
  position:relative;
  padding:150px 0 84px;
  overflow:hidden;
}
.hero__bg{
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.38;
  z-index:0;
}
.hero__bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.74) 0%,rgba(7,11,20,.88) 52%,var(--bg) 100%);
}
.hero__lines{
  position:absolute;
  inset:0;
  z-index:0;
  background-image:
    linear-gradient(rgba(140,170,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,170,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 20%,transparent 78%);
  mask-image:radial-gradient(120% 90% at 50% 0%,#000 20%,transparent 78%);
}
.crumbs{margin-bottom:26px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3)}
.crumbs a{color:var(--text-2);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--brand-2)}
.crumbs [aria-current="page"]{color:var(--text-3)}
.crumbs span{color:var(--text-3);opacity:.6}

.hero__inner{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero__copy h1{margin:16px 0 0}
.hero__lead{margin-top:18px;max-width:560px;font-size:clamp(16px,1.7vw,19px);color:var(--text-2)}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.hero__panel{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-float);
  padding:20px;
  overflow:hidden;
}
.hero__panel::before{
  content:"";
  position:absolute;
  top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,225,255,.45),transparent);
}
.hero__panel-media{
  border-radius:var(--r-sm);
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--surface);
}
.hero__panel-media img{width:100%;height:100%;object-fit:cover}
.hero__panel-list{margin-top:18px;display:grid;gap:12px}
.hero__panel-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.hero__panel-list b{color:var(--text);font-weight:600}
.dot{
  flex:none;
  width:6px;height:6px;margin-top:11px;
  border-radius:50%;
  background:var(--brand-2);
  box-shadow:0 0 10px rgba(34,224,196,.8);
}
.hero__panel-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.hero__panel-foot strong{color:var(--amber);font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:var(--sec-pc) 0}
.section--tight{padding:64px 0}
.section--alt{background:linear-gradient(180deg,rgba(12,19,34,.6),rgba(7,11,20,0))}
.divider{
  height:1px;
  border:0;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}

/* ---------- 卡片通用 ---------- */
.card{
  position:relative;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
  padding:26px;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.card::before{
  content:"";
  position:absolute;
  top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,225,255,.32),transparent);
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-hover)}
.card__icon{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  border:1px solid rgba(34,224,196,.3);
  background:rgba(34,224,196,.09);
  color:var(--brand-2);
  margin-bottom:16px;
}
.card__icon svg{width:20px;height:20px}
.card h3{margin-bottom:10px}
.card p{color:var(--text-2);font-size:15px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ---------- 标签切换 ---------- */
.tabs{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:8px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(12,19,34,.7);
  width:fit-content;
  max-width:100%;
}
.tab{
  min-height:42px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.tab:hover{color:#fff;background:rgba(140,170,255,.08)}
.tab.is-active{
  color:#04101F;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 26px -12px rgba(47,107,255,.8);
}
.tabpanel{display:none;margin-top:36px}
.tabpanel.is-active{display:block;animation:fadeUp .32s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.panel-note{
  margin-top:26px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(18,28,48,.42);
  padding:20px 24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:14px;
  color:var(--text-2);
}
.panel-note b{color:var(--text)}
.panel-note .tag{flex:none}

/* ---------- 两列不对称图文块 ---------- */
.split{
  display:grid;
  gap:48px;
  align-items:center;
}
.split + .split{margin-top:72px}
.split--a{grid-template-columns:7fr 5fr}
.split--b{grid-template-columns:5fr 7fr}
.split__media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  aspect-ratio:16/11;
  background:var(--surface);
}
.split__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.split__media:hover img{transform:scale(1.03)}
.split__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,0) 40%,rgba(7,11,20,.62) 100%);
}
.split__badge{
  position:absolute;
  left:18px;
  bottom:18px;
  z-index:2;
}
.split__copy .h3{margin:14px 0 12px}
.split__copy p{color:var(--text-2);font-size:15.5px}
.split__list{margin-top:20px;display:grid;gap:12px}
.split__list li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
}
.split__list li strong{color:var(--text);font-weight:600}
.num{
  flex:none;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--brand-2);
  padding-top:3px;
  font-weight:600;
}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(18,28,48,.75),rgba(12,19,34,.5));
  padding:34px 28px;
}
.stat{padding:0 6px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat__num{
  font-size:clamp(26px,3vw,36px);
  font-weight:700;
  line-height:1.2;
  background:linear-gradient(120deg,#fff,var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat__label{margin-top:8px;font-size:14px;color:var(--text-2)}
.stat__note{margin-top:6px;font-size:12.5px;color:var(--text-3)}

/* ---------- 流程时间线 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.flow__item{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(18,28,48,.45);
  padding:24px 22px;
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.flow__item:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.flow__idx{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--brand-2);
  font-weight:600;
}
.flow__item h3{margin:12px 0 8px;font-size:17px}
.flow__item p{font-size:14px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:920px}
.faq details{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(18,28,48,.45);
  padding:0 24px;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq details:hover{border-color:var(--line-strong)}
.faq details[open]{
  border-color:rgba(34,224,196,.34);
  background:rgba(18,28,48,.72);
  box-shadow:inset 2px 0 0 0 var(--brand-2);
}
.faq summary{
  list-style:none;
  cursor:pointer;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";
  flex:none;
  width:12px;height:12px;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg) translateY(-2px);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.faq details[open] summary::after{
  transform:rotate(225deg) translateY(-2px);
  border-color:var(--brand-2);
}
.faq__body{padding:0 0 24px;color:var(--text-2);font-size:15px;animation:fadeUp .3s var(--ease)}

/* ---------- CTA / 订阅 ---------- */
.cta{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(700px 320px at 12% 0%,rgba(47,107,255,.24),transparent 62%),
    radial-gradient(560px 300px at 92% 100%,rgba(34,224,196,.16),transparent 60%),
    rgba(12,19,34,.78);
  padding:52px clamp(22px,4vw,56px);
  overflow:hidden;
}
.cta__grid{display:grid;grid-template-columns:6fr 5fr;gap:44px;align-items:center}
.cta h2{margin-bottom:14px}
.cta p{color:var(--text-2)}
.cta__form{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(9,14,26,.7);
  padding:24px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.cta__form label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;letter-spacing:.04em}
.field{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-strong);
  background:rgba(12,19,34,.9);
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field::placeholder{color:var(--text-3)}
.field:focus{
  outline:none;
  border-color:var(--brand-2);
  box-shadow:0 0 0 3px rgba(34,224,196,.18);
}
.field.is-error{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,177,88,.16)}
.form-row{display:flex;gap:12px;align-items:stretch;margin-top:16px}
.form-row .btn{flex:none}
.form-msg{margin-top:12px;font-size:13.5px;min-height:20px;color:var(--text-3)}
.form-msg.is-error{color:var(--amber)}
.form-msg.is-ok{color:var(--brand-2)}
.form-agree{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:96px;
  padding:64px 0 28px;
  background:linear-gradient(180deg,rgba(7,11,20,0),rgba(12,19,34,.85));
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(140,170,255,.32),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  color:var(--text-2);
  max-width:320px;
}
.footer-col h3{
  font-size:14px;
  letter-spacing:.08em;
  color:var(--text);
  margin-bottom:18px;
  font-weight:600;
}
.footer-col ul{display:grid;gap:11px}
.footer-col li a,.footer-col li span{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-col li a:hover{color:var(--brand-2)}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .dotted{
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-2);
  margin-right:8px;
  vertical-align:middle;
  box-shadow:0 0 8px rgba(34,224,196,.8);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  :root{--container:1140px}
}
@media (max-width:1024px){
  .nav__list{display:none}
  .nav__actions{display:none}
  .nav__toggle{display:flex}
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero__lead{max-width:none}
  .grid-3,.panel-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 20px;padding:28px 22px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .flow{grid-template-columns:repeat(2,1fr)}
  .cta__grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .split--a,.split--b{grid-template-columns:1fr;gap:30px}
  .split__media{order:-1}
  .split + .split{margin-top:56px}
}
@media (max-width:768px){
  :root{--sec-pc:64px}
  .section{padding:var(--sec-pc) 0}
  .hero--inner{padding:126px 0 64px}
  .nav{height:66px}
  .nav-drawer{inset:66px 0 0 0}
  .grid-3,.grid-2,.panel-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .split__media{aspect-ratio:16/10}
  .faq summary{font-size:15.5px;min-height:60px}
  .tab{flex:1 1 auto;text-align:center;padding:0 16px}
  .tabs{width:100%;border-radius:var(--r-md)}
}
@media (max-width:520px){
  :root{--sec-pc:52px}
  .brand__text{font-size:15.5px}
  .stats{grid-template-columns:1fr;gap:20px}
  .stat{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:18px}
  .stat:first-child{border-top:0;padding-top:0}
  .card{padding:20px}
  .hero__actions .btn{width:100%}
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}