/* roulang page: index */
:root{
  --bg:#060A14;
  --bg-alt:#0A1120;
  --panel:#0E1626;
  --input:#0B1220;
  --footer:#050912;
  --primary:#22E3C3;
  --primary-hi:#4DF0D6;
  --primary-deep:#12B79C;
  --amber:#FFB020;
  --indigo:#2F6BFF;
  --link:#7FA8FF;
  --text:#E8EEF7;
  --text-2:#9FB0C8;
  --text-3:#6B7C97;
  --glass:rgba(255,255,255,.045);
  --stroke:rgba(34,227,195,.18);
  --stroke-strong:rgba(34,227,195,.42);
  --line:rgba(255,255,255,.08);
  --r-card:18px;
  --r-btn:10px;
  --r-input:10px;
  --r-media:12px;
  --r-badge:6px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --shadow-inset:inset 0 1px 0 rgba(255,255,255,.06);
  --section-y:96px;
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol,dl,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;background-color:var(--input);}
a{color:var(--link);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-hi);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
svg{display:block;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{position:relative;padding:var(--section-y) 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--compact{padding:72px 0;}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.section-eyebrow{font-size:13px;letter-spacing:.14em;color:var(--primary);font-weight:600;margin-bottom:10px;}
.section-title{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:.1em;bottom:.1em;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--primary),rgba(34,227,195,.12));}
.section-desc{color:var(--text-2);font-size:15.5px;max-width:62ch;margin-top:16px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;}
.link-more:hover{color:var(--primary-hi);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;min-width:44px;
  transition:transform .18s ease,box-shadow .22s ease,background .18s ease,border-color .18s ease,color .18s ease;}
.btn--primary{background:var(--primary);color:#04120F;box-shadow:0 8px 30px rgba(34,227,195,.35);}
.btn--primary:hover{background:var(--primary-hi);color:#04120F;transform:translateY(-2px);box-shadow:0 14px 40px rgba(34,227,195,.5);}
.btn--primary:active{background:var(--primary-deep);transform:translateY(0);box-shadow:0 6px 20px rgba(34,227,195,.3);}
.btn--ghost{background:transparent;border-color:rgba(34,227,195,.4);color:var(--primary);}
.btn--ghost:hover{background:rgba(34,227,195,.08);border-color:rgba(34,227,195,.72);color:var(--primary-hi);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);background:rgba(34,227,195,.14);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}

/* 徽章 */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;min-width:0;border-radius:var(--r-badge);font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1;}
.badge--indigo{background:rgba(47,107,255,.12);color:#8FB0FF;}
.badge--amber{background:rgba(255,176,32,.14);color:var(--amber);}
.badge--mint{background:rgba(34,227,195,.12);color:var(--primary);}

/* 卡片 */
.card{background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);margin-bottom:0;
  box-shadow:var(--shadow),var(--shadow-inset);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;overflow:hidden;}
.card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:0 30px 70px rgba(0,0,0,.55),var(--shadow-inset);}
.cover{position:relative;overflow:hidden;display:block;}
.cover::after{content:"";position:absolute;inset:0;background:rgba(34,227,195,.08);pointer-events:none;}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .cover img{transform:scale(1.03);}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;height:68px;background:rgba(6,10,20,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:height .25s ease,background .25s ease;}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,227,195,.55),transparent);}
.site-header.is-stuck{height:60px;background:rgba(6,10,20,.94);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo__mark{display:grid;place-items:center;width:32px;height:32px;color:var(--primary);}
.logo__text{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.logo:hover .logo__text{color:var(--primary-hi);}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);transition:color .18s ease,background .18s ease;}
.nav-link:hover{color:var(--text);background:rgba(34,227,195,.08);}
.nav-link.is-active{color:var(--text);text-shadow:0 0 12px rgba(34,227,195,.5);}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(34,227,195,.8);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid rgba(34,227,195,.45);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  box-shadow:0 0 18px rgba(34,227,195,.22);transition:background .2s ease;}
.nav-toggle:hover{background:rgba(34,227,195,.1);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:120;
  background:var(--bg-alt);border-left:1px solid rgba(34,227,195,.22);border-top:2px solid var(--primary);
  padding:26px 22px;transform:translateX(105%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  box-shadow:-24px 0 60px rgba(0,0,0,.6);overflow-y:auto;}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer__nav{display:grid;gap:6px;margin-top:26px;}
.mobile-drawer__nav a{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:10px;
  font-size:15.5px;color:var(--text-2);border:1px solid transparent;}
.mobile-drawer__nav a:hover,
.mobile-drawer__nav a.is-active{color:var(--text);background:rgba(34,227,195,.08);border-color:var(--stroke);}
.mobile-drawer__foot{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);}
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.66);z-index:110;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--bg);}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38;}
.hero__veil{position:absolute;inset:0;background:linear-gradient(112deg,rgba(6,10,20,.96) 0%,rgba(6,10,20,.88) 42%,rgba(6,10,20,.72) 100%);}
.hero__grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 88%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 88%);}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,227,195,.6),transparent);}
.hero__inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;
  min-height:620px;padding-top:76px;padding-bottom:76px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;font-weight:600;color:var(--primary);margin-bottom:18px;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--primary);}
.hero__title{font-size:clamp(28px,3.4vw,52px);line-height:1.25;font-weight:800;letter-spacing:-.01em;}
.hero__sub{margin-top:20px;max-width:56ch;color:var(--text-2);font-size:16.5px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero__facts{display:grid;gap:12px;margin-top:38px;}
.hero__facts li{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--text-2);}
.hero__facts .num{display:inline-flex;align-items:center;justify-content:center;flex:0 0 26px;width:26px;height:26px;
  border-radius:8px;border:1px solid var(--stroke);background:rgba(34,227,195,.06);
  color:var(--primary);font-size:13px;font-variant-numeric:tabular-nums;}

.login-card{position:relative;padding:24px;border-radius:var(--r-card);
  background:rgba(14,22,38,.74);border:1px solid var(--stroke);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 30px 80px rgba(0,0,0,.6),var(--shadow-inset);overflow:hidden;}
.login-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:.75;}
.login-card__head{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.login-card__dots{display:inline-flex;gap:5px;}
.login-card__dots i{display:block;width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.16);}
.login-card__dots i:first-child{background:rgba(34,227,195,.7);}
.login-card__title{font-size:14px;letter-spacing:.06em;color:var(--text-2);}
.login-card__body{padding-top:20px;display:grid;gap:14px;}
.fake-field{background:var(--input);border:1px solid var(--line);border-radius:var(--r-input);padding:10px 14px;transition:border-color .2s ease,box-shadow .2s ease;}
.fake-field:hover{border-color:rgba(34,227,195,.35);}
.fake-field__label{display:block;font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}
.fake-field__value{display:block;font-size:14.5px;color:var(--text-3);margin-top:2px;}
.login-card__status{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.login-card__status-text{font-size:13.5px;color:var(--text-2);}
.login-card__btn{width:100%;margin-top:4px;}
.login-card__foot{font-size:13px;color:var(--text-3);line-height:1.65;}

/* 价值主张 */
.value-layout{display:flex;gap:48px;}
.value-layout > .cell{min-width:0;}
.side-item{display:flex;gap:14px;padding:18px 20px;border-radius:14px;background:var(--glass);
  border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .22s ease,background .22s ease,transform .22s ease;}
.side-item + .side-item{margin-top:14px;}
.side-item:hover{border-color:var(--stroke);background:rgba(255,255,255,.06);transform:translateY(-2px);}
.side-item__icon{flex:0 0 38px;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  color:var(--primary);border:1px solid var(--stroke);background:rgba(34,227,195,.07);font-size:15px;}
.side-item__title{font-size:16px;font-weight:600;line-height:1.45;}
.side-item__text{margin-top:4px;font-size:14px;color:var(--text-2);line-height:1.7;}
.tick-list{display:grid;gap:14px;margin-top:26px;}
.tick-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.75;}
.tick-list i{color:var(--primary);font-size:14px;margin-top:7px;}
.tick-list strong{color:var(--text);font-weight:600;}

/* Bento 功能分组 */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.bento__cell{display:flex;min-width:0;}
.feat{display:flex;flex-direction:column;width:100%;padding:26px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow),var(--shadow-inset);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;overflow:hidden;}
.feat:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:0 30px 70px rgba(0,0,0,.55),var(--shadow-inset);}
.feat__cover{margin:-26px -26px 20px;border-radius:var(--r-card) var(--r-card) 0 0;aspect-ratio:16/9;}
.feat__cover--tall{aspect-ratio:16/10;}
.feat:hover .feat__cover img{transform:scale(1.03);}
.feat__title{font-size:19px;font-weight:700;line-height:1.45;margin-top:12px;}
.feat__text{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.feat__foot{margin-top:auto;padding-top:18px;}
.bento__cell--wide{grid-column:span 4;}
.bento__cell--mid{grid-column:span 2;}
.bento__cell--small{grid-column:span 2;}

/* 使用场景 */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:38px 0;border-bottom:1px solid var(--line);}
.scene:last-child{border-bottom:none;padding-bottom:0;}
.scene--reverse .scene__media{order:2;}
.scene--reverse .scene__body{order:1;}
.scene__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-media);border:1px solid var(--line);}
.scene__title{font-size:22px;font-weight:700;line-height:1.4;margin-top:14px;}
.scene__text{margin-top:12px;font-size:15.5px;color:var(--text-2);}
.dash-list{display:grid;gap:10px;margin-top:18px;}
.dash-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.dash-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:2px;border-radius:2px;background:var(--primary);}

/* 案例与反馈 */
.proof{display:grid;grid-template-columns:1.22fr .78fr;gap:24px;align-items:start;}
.proof__main{padding:0;}
.proof__cover{aspect-ratio:16/9;}
.proof__body{padding:26px;}
.proof__title{font-size:20px;font-weight:700;line-height:1.45;margin-top:12px;}
.proof__text{margin-top:10px;font-size:15px;color:var(--text-2);}
.proof__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px;}
.proof__stat{padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.03);}
.stat-num{font-size:24px;font-weight:700;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-3);}
.proof__list{display:grid;gap:14px;}
.proof__item{padding:20px;border-radius:14px;background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:border-color .22s ease,transform .22s ease;}
.proof__item:hover{border-color:var(--stroke);transform:translateY(-2px);}
.proof__item h4{margin-top:10px;font-size:16px;font-weight:600;line-height:1.5;}
.proof__item p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.7;}

/* 内容动态 */
.news-grid{display:grid;grid-template-columns:1.38fr 1fr;gap:24px;align-items:start;}
.news-lead{display:flex;flex-direction:column;}
.news-lead__cover{aspect-ratio:16/9;}
.news-lead__body{padding:24px;display:flex;flex-direction:column;gap:14px;}
.news-lead__title{font-size:20px;font-weight:700;line-height:1.5;}
.news-lead__title a{color:var(--text);}
.news-lead__title a:hover{color:var(--primary-hi);}
.news-lead__desc{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.news-side{display:grid;gap:14px;}
.news-item{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:14px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
.news-item:hover{border-color:var(--stroke-strong);transform:translateY(-2px);box-shadow:0 18px 40px rgba(0,0,0,.4);}
.news-item__thumb{width:96px;height:74px;border-radius:10px;overflow:hidden;}
.news-item__body{display:flex;flex-direction:column;gap:6px;min-width:0;}
.news-item__title{font-size:15px;font-weight:600;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item:hover .news-item__title{color:var(--primary-hi);}
.news-item__desc{font-size:13.5px;color:var(--text-3);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:64px 24px;text-align:center;
  border:1px dashed rgba(34,227,195,.28);border-radius:var(--r-card);background:rgba(255,255,255,.02);}
.empty-state__icon{font-size:26px;color:var(--primary);opacity:.85;}
.empty-state p{font-size:15px;color:var(--text-2);}

/* FAQ */
.faq-wrap{max-width:900px;}
.accordion{background:transparent;border:none;border-radius:0;margin:0;}
.accordion-item{position:relative;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:border-color .22s ease;}
.accordion-item:hover{border-color:var(--stroke);}
.accordion-item.is-active{border-color:var(--stroke-strong);}
.accordion-item.is-active::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;background:var(--primary);box-shadow:0 0 14px rgba(34,227,195,.6);}
.accordion-title{display:block;padding:20px 58px 20px 24px;border:none;background:transparent;
  font-size:16.5px;font-weight:600;color:var(--text);line-height:1.6;transition:color .18s ease,background .18s ease;}
.accordion-title:hover{background:rgba(34,227,195,.05);color:var(--primary-hi);}
.accordion-title::before{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  margin:0;color:var(--primary);font-size:20px;font-weight:400;line-height:1;}
.accordion-item.is-active .accordion-title::before{content:"–";}
.accordion-content{display:none;padding:0 58px 22px 24px;background:transparent;border:none;
  font-size:15px;color:var(--text-2);line-height:1.85;transition:opacity .22s ease;}
.accordion-content p{color:var(--text-2);font-size:15px;line-height:1.85;}
.accordion-item.is-active .accordion-content{display:block;color:var(--text-2);}

/* CTA 带 */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:38px 40px;border-radius:var(--r-card);border:1px solid rgba(34,227,195,.28);
  background:linear-gradient(100deg,rgba(34,227,195,.1),rgba(47,107,255,.06));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);}
.cta-band__title{font-size:24px;font-weight:700;line-height:1.4;}
.cta-band__text{margin-top:10px;font-size:15px;color:var(--text-2);max-width:64ch;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--footer);border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .logo__text{font-size:60%;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo__mark{width:22px;height:22px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.85;max-width:36ch;}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-links li + li{margin-top:10px;}
.footer-links a{font-size:14px;color:var(--text-3);}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* 响应式 */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .hero__inner{gap:44px;}
}
@media (max-width:1023px){
  :root{--section-y:72px;}
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero__inner{grid-template-columns:1fr;min-height:0;gap:40px;padding-top:56px;padding-bottom:56px;}
  .hero__sub{font-size:15.5px;}
  .value-layout{flex-direction:column;gap:32px;}
  .bento{grid-template-columns:repeat(4,1fr);}
  .bento__cell--wide{grid-column:span 4;}
  .bento__cell--mid{grid-column:span 2;}
  .bento__cell--small{grid-column:span 2;}
  .proof{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-title{font-size:28px;}
  .cta-band__title{font-size:21px;}
}
@media (max-width:767px){
  :root{--section-y:56px;}
  .container{padding:0 20px;}
  .logo__text{font-size:16.5px;}
  .section-title{font-size:23px;padding-left:13px;}
  .hero__title{font-size:28px;}
  .scene{grid-template-columns:1fr;gap:24px;padding:28px 0;}
  .scene--reverse .scene__media{order:0;}
  .scene--reverse .scene__body{order:0;}
  .scene__title{font-size:19px;}
  .proof__stats{grid-template-columns:1fr;gap:10px;}
  .news-item{grid-template-columns:80px 1fr;}
  .news-item__thumb{width:80px;height:66px;}
  .faq-wrap{max-width:100%;}
  .accordion-title{padding:16px 52px 16px 18px;font-size:15.5px;}
  .accordion-content{padding:0 52px 18px 18px;}
  .cta-band{padding:28px 22px;}
  .cta-band__title{font-size:19px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .bento{grid-template-columns:1fr;}
  .bento__cell--wide,.bento__cell--mid,.bento__cell--small{grid-column:span 1;}
  .hero__actions .btn{flex:1 1 100%;}
  .btn{height:44px;font-size:14.5px;}
  .login-card{padding:18px;}
  .news-item{grid-template-columns:1fr;gap:10px;}
  .news-item__thumb{width:100%;height:132px;}
}

/* roulang page: article */
:root{
  --bg:#060A14;
  --bg-alt:#0A1120;
  --panel:#0E1626;
  --panel-2:#0B1220;
  --primary:#22E3C3;
  --primary-hover:#4DF0D6;
  --primary-deep:#12B79C;
  --amber:#FFB020;
  --indigo:#2F6BFF;
  --link:#6C97FF;
  --link-hover:#A7C4FF;
  --text:#E8EEF7;
  --text-2:#9FB0C8;
  --text-3:#6B7C97;
  --glass:rgba(255,255,255,.045);
  --stroke:rgba(34,227,195,.18);
  --stroke-strong:rgba(34,227,195,.45);
  --divider:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-card-hover:0 30px 70px rgba(0,0,0,.58), inset 0 1px 0 rgba(255,255,255,.09);
  --glow:0 8px 30px rgba(34,227,195,.35);
  --container:1200px;
  --section-y:96px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:radial-gradient(circle at 12% 8%, rgba(34,227,195,.07), transparent 42%),
                   radial-gradient(circle at 86% 4%, rgba(47,107,255,.09), transparent 40%),
                   linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;background-color:#0B1220;}
a{color:var(--link);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--link-hover);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(34,227,195,.28);color:#fff;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:var(--section-y) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.01em;position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--primary-deep));}
.section-head p{color:var(--text-2);font-size:15px;max-width:52ch;}
.text-link{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--primary-hover);}
.text-link::after{content:"→";font-size:13px;transition:transform .18s ease;}
.text-link:hover::after{transform:translateX(3px);}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(8,13,25,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--divider);transition:height .2s ease,background .2s ease;}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(34,227,195,.75),transparent);opacity:.85;}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;transition:height .2s ease;}
.site-header.is-scrolled{background:rgba(6,10,20,.92);}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;letter-spacing:-.01em;}
.logo:hover{color:var(--text);}
.logo__mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;color:var(--primary);border:1px solid var(--stroke);background:rgba(34,227,195,.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);flex:none;}
.logo__text{font-size:18px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex-wrap:nowrap;}
.nav-link{color:var(--text-2);font-size:15px;padding:9px 13px;border-radius:8px;transition:background .18s ease,color .18s ease;position:relative;white-space:nowrap;}
.nav-link:hover{color:var(--text);background:rgba(34,227,195,.08);}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(34,227,195,.55);}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(34,227,195,.75);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--stroke);color:var(--primary);align-items:center;justify-content:center;box-shadow:0 0 16px rgba(34,227,195,.18);}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;}
.btn--primary{background:var(--primary);color:#04140F;box-shadow:var(--glow);}
.btn--primary:hover{background:var(--primary-hover);color:#04140F;transform:translateY(-2px);box-shadow:0 12px 38px rgba(34,227,195,.48);}
.btn--primary:active{background:var(--primary-deep);transform:translateY(0);}
.btn--ghost{background:transparent;border-color:rgba(34,227,195,.4);color:var(--primary);}
.btn--ghost:hover{background:rgba(34,227,195,.08);color:var(--primary-hover);border-color:var(--stroke-strong);}
.btn--quiet{background:var(--glass);border-color:var(--divider);color:var(--text);}
.btn--quiet:hover{border-color:var(--stroke);color:var(--primary-hover);transform:translateY(-2px);}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px;}

/* off canvas */
.off-canvas{background:var(--bg-alt);border-left:1px solid var(--stroke);}
.off-canvas::before{content:"";display:block;height:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent);}
.drawer{padding:22px 20px 32px;}
.drawer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-nav a{color:var(--text-2);padding:12px 14px;border-radius:10px;font-size:15px;border:1px solid transparent;}
.drawer-nav a:hover{background:rgba(34,227,195,.08);color:var(--text);}
.drawer-nav a.is-active{color:#fff;border-color:var(--stroke);background:rgba(34,227,195,.07);}
.drawer .btn{width:100%;}

/* breadcrumb */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--text-2);}
.breadcrumb .sep{color:rgba(255,255,255,.22);}
.breadcrumb .current{color:var(--primary);}

/* article hero */
.article-hero{position:relative;padding:56px 0 44px;border-bottom:1px solid var(--divider);overflow:hidden;}
.article-hero__bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.16;}
.article-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.72),rgba(6,10,20,.96));}
.article-hero__inner{position:relative;max-width:860px;}
.article-hero h1{font-size:36px;line-height:1.32;font-weight:800;letter-spacing:-.01em;margin-bottom:20px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--text-2);letter-spacing:.02em;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-badge);font-size:13px;line-height:1.5;letter-spacing:.02em;}
.badge--cat{background:rgba(47,107,255,.12);color:#93B4FF;border:1px solid rgba(47,107,255,.26);}
.badge--time{background:rgba(255,176,32,.14);color:var(--amber);border:1px solid rgba(255,176,32,.28);}
.badge--state{background:rgba(34,227,195,.12);color:var(--primary);border:1px solid rgba(34,227,195,.28);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22);}

/* layout */
.article-layout{padding:56px 0 0;}
.article-col{min-width:0;}
.sidebar-col{margin-top:0;}

.article-body{font-size:17px;line-height:1.85;color:var(--text);max-width:760px;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;color:var(--text);}
.article-body h2{font-size:26px;line-height:1.38;font-weight:800;margin:40px 0 16px;padding-left:16px;position:relative;scroll-margin-top:96px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-deep));}
.article-body h3{font-size:20px;line-height:1.45;font-weight:700;margin:32px 0 12px;display:flex;gap:9px;align-items:flex-start;scroll-margin-top:96px;}
.article-body h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--primary);flex:none;margin-top:.55em;box-shadow:0 0 10px rgba(34,227,195,.5);}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--primary-hover);}
.article-body a{color:var(--link);border-bottom:1px solid rgba(108,151,255,.35);}
.article-body a:hover{color:var(--link-hover);border-bottom-color:var(--link-hover);}
.article-body strong{color:#fff;font-weight:700;}
.article-body blockquote{margin:28px 0;padding:20px 22px;background:rgba(255,255,255,.05);border-left:3px solid var(--primary);border-radius:0 14px 14px 0;color:var(--text-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:2px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:9px;color:var(--text-2);}
.article-body ul li::before{content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:2px;background:var(--primary);opacity:.85;}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body ol li{margin-bottom:9px;color:var(--text-2);padding-left:4px;}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body li strong{color:var(--text);}
.article-body img{border-radius:12px;margin:26px 0;box-shadow:0 0 0 1px rgba(34,227,195,.2),0 20px 50px rgba(0,0,0,.45);}
.article-body figure{margin:26px 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;margin:26px 0;border:1px solid var(--divider);border-radius:12px;overflow:hidden;font-size:15px;}
.article-body thead th{background:rgba(34,227,195,.07);color:var(--primary);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--divider);color:var(--text-2);}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body hr{border:none;height:1px;background:var(--divider);margin:36px 0;}
.article-body code{background:rgba(255,255,255,.06);border:1px solid var(--divider);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--primary-hover);}

/* empty state */
.empty-state{max-width:560px;margin:0 auto;padding:64px 24px;text-align:center;background:var(--glass);border:1px solid var(--divider);border-radius:var(--radius-card);box-shadow:var(--shadow-card);}
.empty-state svg{color:var(--primary);opacity:.85;margin:0 auto 18px;}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* article foot */
.article-foot{max-width:760px;margin-top:44px;padding-top:26px;border-top:1px solid var(--divider);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag{display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--radius-badge);font-size:13px;color:var(--text-2);background:var(--glass);border:1px solid var(--divider);}
.tag:hover{color:var(--primary-hover);border-color:var(--stroke);}
.back-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-radius:14px;background:rgba(47,107,255,.08);border:1px solid rgba(47,107,255,.22);}
.back-band span{font-size:14px;color:var(--text-2);}

/* sidebar */
.sidebar{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--glass);border:1px solid var(--divider);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);}
.side-card h3{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(34,227,195,.6);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{display:block;font-size:14px;color:var(--text-2);padding:8px 10px 8px 12px;border-left:2px solid transparent;border-radius:0 8px 8px 0;line-height:1.6;transition:all .18s ease;}
.toc-list a:hover{color:var(--text);background:rgba(34,227,195,.07);}
.toc-list a.is-current{color:var(--primary-hover);border-left-color:var(--primary);background:rgba(34,227,195,.07);}
.hot-list{display:flex;flex-direction:column;gap:14px;}
.hot-item{display:flex;gap:12px;align-items:flex-start;}
.hot-item__no{font-size:14px;font-weight:700;color:var(--amber);min-width:20px;line-height:1.6;}
.hot-item__body a{font-size:14.5px;color:var(--text);line-height:1.6;display:block;}
.hot-item__body a:hover{color:var(--primary-hover);}
.hot-item__meta{font-size:12.5px;color:var(--text-3);margin-top:4px;}
.side-cta{background:linear-gradient(180deg,rgba(34,227,195,.1),rgba(34,227,195,.02));border:1px solid var(--stroke);}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:16px;}

/* related */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--divider);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;height:100%;}
.card:hover{transform:translateY(-4px);border-color:rgba(34,227,195,.35);box-shadow:var(--shadow-card-hover);}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-2);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card::after{content:"";pointer-events:none;}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(34,227,195,.08),rgba(6,10,20,.42));}
.card:hover .card__media img{transform:scale(1.03);}
.card__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__title{font-size:18px;line-height:1.45;font-weight:700;}
.card__title a{color:var(--text);}
.card__title a:hover{color:var(--primary-hover);}
.card__desc{font-size:14.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card__meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);letter-spacing:.02em;}

/* cta band */
.cta-band{margin:var(--section-y) 0;padding:36px 40px;border-radius:22px;background:rgba(34,227,195,.08);border:1px solid var(--stroke);box-shadow:var(--shadow-card);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.35;margin-bottom:8px;}
.cta-band p{color:var(--text-2);font-size:15px;max-width:56ch;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* footer */
.site-footer{background:#050912;border-top:1px solid var(--divider);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{color:var(--text-2);margin-top:16px;max-width:38ch;line-height:1.8;}
.site-footer .logo__text{font-size:15px;}
.site-footer .logo__mark{width:28px;height:28px;border-radius:8px;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-2);}
.footer-links a:hover{color:var(--primary-hover);}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--divider);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--text-3);font-size:13px;}

@media screen and (max-width:1279px){
  .container{padding:0 24px;}
}
@media screen and (max-width:1023px){
  :root{--section-y:72px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn--primary{display:none;}
  .sidebar{position:static;margin-top:36px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .article-hero h1{font-size:31px;}
}
@media screen and (max-width:767px){
  .container{padding:0 20px;}
  :root{--section-y:56px;}
  .article-hero{padding:38px 0 32px;}
  .article-hero h1{font-size:27px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .cta-band{padding:26px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
  .back-band{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .article-hero h1{font-size:24px;}
  .meta-row{font-size:12.5px;gap:9px;}
  .logo__text{font-size:16px;}
  .article-body{padding-bottom:8px;}
}

/* roulang page: category1 */
:root{
  --bg:#060A14;
  --bg-alt:#0A1120;
  --panel:#0E1626;
  --panel-2:#0B1220;
  --footer-bg:#050912;
  --primary:#22E3C3;
  --primary-hover:#4DF0D6;
  --primary-deep:#12B79C;
  --amber:#FFB020;
  --indigo:#2F6BFF;
  --text:#E8EEF7;
  --text-2:#9FB0C8;
  --text-3:#6B7C97;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(34,227,195,.18);
  --line:rgba(255,255,255,.08);
  --indigo-soft:rgba(47,107,255,.12);
  --amber-soft:rgba(255,176,32,.14);
  --radius-card:18px;
  --radius-btn:10px;
  --radius-img:14px;
  --radius-badge:6px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --shadow-card-inset:inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-btn:0 8px 30px rgba(34,227,195,.35);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;background-color:#0B1220}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-hover)}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}

html,body{height:100%}
body{
  background-color:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(6,10,20,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(34,227,195,0),rgba(34,227,195,.75),rgba(34,227,195,0));
}
.site-header.is-scrolled{background:rgba(5,9,18,.94);box-shadow:0 12px 40px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;transition:min-height .25s ease}
.site-header.is-scrolled .header-inner{min-height:60px}

.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.logo:hover{color:var(--text)}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;
  color:var(--primary);
  border:1px solid rgba(34,227,195,.35);
  background:rgba(34,227,195,.07);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.logo__text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}

.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:8px;
  color:var(--text-2);font-size:15px;font-weight:500;
  white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--text);background:rgba(34,227,195,.08)}
.nav-link.is-active{color:var(--primary);text-shadow:0 0 12px rgba(34,227,195,.45)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(34,227,195,.8);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid rgba(34,227,195,.35);
  color:var(--primary);cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:rgba(34,227,195,.1);border-color:rgba(34,227,195,.6)}
.nav-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  text-decoration:none;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--primary);color:#04121A;box-shadow:var(--shadow-btn)}
.btn--primary:hover{background:var(--primary-hover);color:#04121A;transform:translateY(-2px);box-shadow:0 12px 38px rgba(34,227,195,.48)}
.btn--primary:active{background:var(--primary-deep);transform:translateY(0)}
.btn--ghost{background:transparent;border-color:rgba(34,227,195,.4);color:var(--primary)}
.btn--ghost:hover{background:rgba(34,227,195,.08);border-color:rgba(34,227,195,.7);color:var(--primary-hover)}
.btn--amber{background:var(--amber);color:#1A1204;box-shadow:0 8px 26px rgba(255,176,32,.28)}
.btn--amber:hover{background:#FFC44D;color:#1A1204;transform:translateY(-2px)}
.btn--sm{min-height:42px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--radius-badge);
  font-size:13px;font-weight:600;letter-spacing:.02em;line-height:1.6;
  font-variant-numeric:tabular-nums;
}
.badge--indigo{background:var(--indigo-soft);color:#8FB0FF}
.badge--amber{background:var(--amber-soft);color:var(--amber)}
.badge--primary{background:rgba(34,227,195,.14);color:var(--primary)}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  padding:44px 0 56px;
  background-color:var(--bg-alt);
  background-image:linear-gradient(180deg,rgba(6,10,20,.84),rgba(6,10,20,.95)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent);
}
.page-hero .container{position:relative;z-index:1}

.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.2)}
.breadcrumb .current{color:var(--primary)}

.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.hero-copy h1{
  font-size:42px;line-height:1.24;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 18px;
}
.hero-copy .hero-sub{
  font-size:16px;line-height:1.85;color:var(--text-2);max-width:46ch;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;height:230px;object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid rgba(34,227,195,.25);
  box-shadow:var(--shadow-card);
  clip-path:polygon(0 0,100% 0,100% 86%,88% 100%,0 100%);
}
.hero-visual::before{
  content:"";position:absolute;left:-18px;bottom:-18px;right:34px;top:34px;
  border:1px solid rgba(47,107,255,.3);border-radius:var(--radius-img);
  z-index:-1;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;font-size:13px;color:var(--text-3);letter-spacing:.02em}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{width:6px;height:6px;border-radius:2px;background:var(--primary);display:inline-block;flex:0 0 auto}
.hero-meta .dot-amber{background:var(--amber)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section--alt{background-color:var(--bg-alt)}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  position:relative;
  font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:var(--primary);box-shadow:0 0 14px rgba(34,227,195,.55);
}
.section-head p{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.85}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-top:6px}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(34,227,195,.65),rgba(47,107,255,.28),rgba(47,107,255,0));
}
.timeline__item{position:relative;display:flex;gap:24px;padding-bottom:32px}
.timeline__item:last-child{padding-bottom:0}
.timeline__marker{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--glass-border);
  font-family:var(--mono);font-size:16px;font-weight:700;
  color:var(--primary);font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-card-inset);
  position:relative;z-index:1;
}
.timeline__body{
  flex:1 1 auto;min-width:0;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 26px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,border-color .22s ease;
}
.timeline__body:hover{transform:translateY(-3px);border-color:rgba(34,227,195,.35)}
.timeline__body h3{font-size:19px;line-height:1.45;font-weight:700;margin-bottom:10px}
.timeline__body p{color:var(--text-2);font-size:15px;line-height:1.85}
.list-check{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:16px}
.list-check li{
  position:relative;padding-left:18px;
  font-size:13px;color:var(--text-3);letter-spacing:.02em;
}
.list-check li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;
  background:var(--primary);opacity:.85;
}

/* ============ 注意事项 ============ */
.notice{
  display:flex;gap:20px;
  background:rgba(255,176,32,.05);
  border:1px solid rgba(255,176,32,.35);
  border-radius:var(--radius-card);
  padding:26px 28px;
}
.notice__icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,176,32,.45);color:var(--amber);
  font-family:var(--mono);font-size:18px;font-weight:700;
}
.notice h3{font-size:18px;font-weight:700;color:var(--amber);margin-bottom:12px;letter-spacing:.01em}
.notice ul{display:grid;gap:10px}
.notice li{position:relative;padding-left:18px;color:var(--text-2);font-size:15px;line-height:1.8}
.notice li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--amber);opacity:.8;
}

/* ============ 提示对照 ============ */
.diag-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.diag-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card),var(--shadow-card-inset);
  transition:transform .22s ease,border-color .22s ease;
}
.diag-card:nth-child(2){margin-top:26px}
.diag-card:nth-child(3){margin-top:-14px}
.diag-card:hover{transform:translateY(-4px);border-color:rgba(34,227,195,.35)}
.diag-card h3{font-size:18px;font-weight:700;line-height:1.5;margin:12px 0 10px}
.diag-card p{color:var(--text-2);font-size:15px;line-height:1.8}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.accordion{border:none;background:transparent}
.accordion-item{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-card);margin-bottom:14px;overflow:hidden;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color .22s ease,background-color .22s ease;
}
.accordion-item:hover{border-color:rgba(34,227,195,.28)}
.accordion-item.is-active{border-color:rgba(34,227,195,.4);background:rgba(255,255,255,.06)}
.accordion-title{
  position:relative;display:block;
  border:none;background:transparent;
  color:var(--text);font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 60px 20px 24px;
  transition:color .18s ease;
}
.accordion-title:hover,.accordion-title:focus{background:transparent;color:var(--primary)}
.accordion-item.is-active .accordion-title{color:var(--primary)}
.accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:20px;font-weight:400;color:var(--primary);line-height:1;
}
.accordion-item.is-active .accordion-title::before{content:"−"}
.accordion-title::after{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity .22s ease;
  box-shadow:0 0 12px rgba(34,227,195,.6);
}
.accordion-item.is-active .accordion-title::after{opacity:1}
.accordion-content{
  border:none;background:transparent;
  padding:0 60px 22px 24px;
  color:var(--text-2);font-size:15px;line-height:1.85;
  transition:color .22s ease;
}
.accordion-item.is-active .accordion-content{color:var(--text)}

/* ============ 内容动态 ============ */
.digest-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.digest-card{
  display:flex;gap:18px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card),var(--shadow-card-inset);
  transition:transform .22s ease,border-color .22s ease;
  color:inherit;
}
.digest-card:hover{transform:translateY(-4px);border-color:rgba(34,227,195,.4);color:inherit}
.digest-card__thumb{flex:0 0 132px;width:132px;overflow:hidden;border-radius:12px;background-color:var(--panel-2)}
.digest-card__thumb img{width:100%;height:100%;min-height:108px;object-fit:cover;transition:transform .3s ease}
.digest-card:hover .digest-card__thumb img{transform:scale(1.03)}
.digest-card__body{min-width:0;display:flex;flex-direction:column;gap:8px}
.digest-card__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.digest-card h3{font-size:17px;font-weight:700;line-height:1.5}
.digest-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.digest-card__link{font-size:14px;font-weight:600;color:var(--primary);margin-top:auto}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.text-link{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap}
.text-link:hover{color:var(--primary-hover)}

/* ============ CTA 带 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:rgba(34,227,195,.08);
  border:1px solid rgba(34,227,195,.28);
  border-radius:var(--radius-card);
  padding:38px 42px;
}
.cta-band h2{font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:56ch}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--footer-bg);
  border-top:1px solid var(--line);
  padding:72px 0 28px;
  font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo__mark{width:22px;height:22px;border-radius:6px}
.footer-brand .logo__text{font-size:14px}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.8;max-width:38ch}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.01em}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--text-2);font-size:14px}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:56px;padding-top:22px;border-top:1px solid var(--line);
  color:var(--text-3);font-size:13px;
}

/* ============ 移动端抽屉 ============ */
.off-canvas{background:#0A1120;border-left:1px solid var(--line)}
.off-canvas.position-right{width:302px;max-width:86vw}
.off-canvas::before{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,rgba(34,227,195,0),var(--primary),rgba(34,227,195,0));
}
.mobile-menu{padding:24px 22px 32px}
.mobile-menu .logo{margin-bottom:26px}
.mobile-nav{display:grid;gap:6px;margin-bottom:26px}
.mobile-nav__link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  border-radius:10px;color:var(--text-2);font-size:16px;font-weight:500;
  border:1px solid transparent;
}
.mobile-nav__link:hover{color:var(--text);background:rgba(34,227,195,.08)}
.mobile-nav__link.is-active{
  color:var(--primary);background:rgba(34,227,195,.1);
  border-color:rgba(34,227,195,.35);box-shadow:0 0 20px rgba(34,227,195,.12) inset;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 28px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section--tight{padding:44px 0}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-copy h1{font-size:34px}
  .hero-visual img{height:200px}
  .hero-visual::before{display:none}
  .section-head h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{margin-top:40px}
  .cta-band{padding:32px 30px}
  .cta-band h2{font-size:22px}
}
@media (max-width:767px){
  .diag-grid{grid-template-columns:1fr;gap:16px}
  .diag-card:nth-child(2),.diag-card:nth-child(3){margin-top:0}
  .digest-grid{grid-template-columns:1fr}
  .timeline__item{gap:16px}
  .timeline__marker{flex:0 0 40px;width:40px;height:40px;border-radius:12px;font-size:14px}
  .timeline::before{left:19px}
  .timeline__body{padding:20px}
  .notice{padding:22px 20px;gap:16px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:40px 0}
  .hero-copy h1{font-size:29px}
  .hero-copy .hero-sub{font-size:15px}
  .hero-btns .btn{width:100%}
  .hero-visual img{height:178px}
  .section-head h2{font-size:23px}
  .section-head p{font-size:15px}
  .accordion-title{padding:18px 52px 18px 20px;font-size:16px}
  .accordion-content{padding:0 20px 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-band{padding:26px 22px}
  .cta-band h2{font-size:20px}
  .cta-band__actions .btn{width:100%}
  .digest-card{flex-direction:column}
  .digest-card__thumb{flex:0 0 auto;width:100%;height:150px}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:14px}
}

/* roulang page: category2 */
:root{
  --bg:#060A14;
  --bg-alt:#0A1120;
  --panel:#0E1626;
  --panel-deep:#050912;
  --primary:#22E3C3;
  --primary-hi:#4DF0D6;
  --primary-deep:#12B79C;
  --amber:#FFB020;
  --indigo:#2F6BFF;
  --text:#E8EEF7;
  --text-2:#9FB0C8;
  --text-3:#6B7C97;
  --glass:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.08);
  --line-primary:rgba(34,227,195,.18);
  --r-card:18px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-card-hover:0 32px 72px rgba(0,0,0,.58), inset 0 1px 0 rgba(255,255,255,.09);
  --container:1200px;
  --gap-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(47,107,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47,107,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:#0B1220;border-radius:12px}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-hi)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}
.section{padding:var(--gap-section) 0;position:relative}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--primary);margin-bottom:14px}
.h2{font-size:32px;line-height:1.3;position:relative;padding-left:18px}
.h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--primary),rgba(34,227,195,.15))}
.section-head.center .h2{padding-left:0}
.section-head.center .h2::before{display:none}
.lead{color:var(--text-2);font-size:16px;margin-top:14px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.02em}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,10,20,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .25s ease}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(34,227,195,.75),transparent)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;letter-spacing:-.01em}
.logo__mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;color:var(--primary);background:rgba(34,227,195,.08);border:1px solid var(--line-primary)}
.logo__text{font-size:17px;font-weight:700;letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;font-size:15px;color:var(--text-2);border-radius:8px;transition:background .18s ease,color .18s ease}
.nav-link:hover{color:var(--text);background:rgba(34,227,195,.08)}
.nav-link.is-active{color:var(--text);text-shadow:0 0 14px rgba(34,227,195,.55)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(34,227,195,.8)}
.header-cta{display:inline-flex;align-items:center;gap:8px}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:rgba(34,227,195,.06);border:1px solid var(--line-primary);border-radius:10px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 8px rgba(34,227,195,.7);transition:transform .2s ease,opacity .2s 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)}
.mobile-nav{position:fixed;top:68px;right:0;bottom:0;width:min(320px,86vw);padding:24px 22px 40px;background:var(--bg-alt);border-left:1px solid var(--line-primary);border-top:1px solid var(--line-primary);transform:translateX(102%);transition:transform .28s ease;z-index:70;overflow-y:auto}
.mobile-nav.is-open{transform:translateX(0)}
.mobile-nav::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent)}
.mobile-nav a{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;color:var(--text-2);font-size:16px}
.mobile-nav a:hover,.mobile-nav a.is-active{background:rgba(34,227,195,.08);color:var(--text)}
.mobile-nav .btn{margin-top:18px;width:100%}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease}
.btn i{font-size:13px}
.btn-primary{background:var(--primary);color:#04140F;box-shadow:0 8px 30px rgba(34,227,195,.35)}
.btn-primary:hover{background:var(--primary-hi);color:#04140F;transform:translateY(-2px);box-shadow:0 14px 40px rgba(34,227,195,.48)}
.btn-primary:active{transform:translateY(0);background:var(--primary-deep)}
.btn-ghost{background:transparent;border-color:rgba(34,227,195,.4);color:var(--primary)}
.btn-ghost:hover{background:rgba(34,227,195,.08);color:var(--primary-hi);transform:translateY(-2px)}
.btn-amber{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.5);color:var(--amber)}
.btn-amber:hover{background:rgba(255,176,32,.2);color:var(--amber);transform:translateY(-2px)}
.btn-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--primary)}
.btn-link:hover{gap:12px;color:var(--primary-hi)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- badges / meta ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);font-size:13px;letter-spacing:.02em;line-height:1.6}
.badge--indigo{background:rgba(47,107,255,.12);color:#8FB0FF}
.badge--amber{background:rgba(255,176,32,.14);color:var(--amber)}
.badge--primary{background:rgba(34,227,195,.12);color:var(--primary)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--text-3);letter-spacing:.02em}

/* ---------- breadcrumb ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--text-2)}
.crumbs .sep{color:var(--text-3);opacity:.6}
.crumbs .current{color:var(--primary)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:56px 0 88px;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.72),rgba(6,10,20,.94) 62%,rgba(6,10,20,1))}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{font-size:44px;line-height:1.25;margin:16px 0 18px}
.hero-copy .hero-sub{color:var(--text-2);font-size:17px;max-width:620px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-media{position:relative;min-height:360px}
.hero-media img{position:absolute;object-fit:cover;border-radius:14px;border:1px solid var(--line-primary);box-shadow:var(--shadow-card);background:#0B1220}
.hero-media .m1{width:78%;aspect-ratio:16/10;top:0;left:0;box-shadow:0 0 0 1px rgba(34,227,195,.22), var(--shadow-card)}
.hero-media .m2{width:50%;aspect-ratio:4/3;bottom:0;right:0}
.hero-media::after{content:"";position:absolute;left:6%;top:52%;width:52%;height:1px;background:linear-gradient(90deg,transparent,rgba(34,227,195,.7),transparent)}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-left:0;margin-right:0}
.stat-grid>.cell{padding-left:0;padding-right:0;width:auto;max-width:none;flex:0 0 auto}
.stat-card{height:100%;padding:24px 22px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line-primary);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-card);transition:transform .2s ease,border-color .2s ease}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(34,227,195,.4)}
.stat-card .k{font-size:24px;font-weight:700;color:var(--primary)}
.stat-card .k.is-amber{color:var(--amber)}
.stat-card p{font-size:14px;color:var(--text-2);margin-top:6px}

/* ---------- feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.card{display:flex;flex-direction:column;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(34,227,195,.35);box-shadow:var(--shadow-card-hover)}
.card__media{position:relative;overflow:hidden;background:#0B1220;aspect-ratio:16/9}
.card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(34,227,195,.06),rgba(6,10,20,.5))}
.card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__body h3{font-size:19px;line-height:1.45}
.card__body p{color:var(--text-2);font-size:15px}
.card--lift{margin-top:44px}
.card--wide{grid-column:span 2}

/* ---------- scene rows ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0;border-bottom:1px solid var(--line)}
.scene:last-child{border-bottom:none}
.scene.reverse .scene__media{order:2}
.scene__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;border:1px solid var(--line-primary);box-shadow:var(--shadow-card)}
.scene__body h3{font-size:22px;margin-bottom:12px}
.scene__body p{color:var(--text-2)}
.scene__list{margin-top:18px;display:grid;gap:10px}
.scene__list li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.scene__list li::before{content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(34,227,195,.6)}

/* ---------- compare panel ---------- */
.compare{border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-card)}
.compare__head,.compare__row{display:grid;grid-template-columns:.85fr 1.4fr;gap:24px;padding:22px 26px}
.compare__head{background:rgba(47,107,255,.08);border-bottom:1px solid var(--line);font-size:13px;letter-spacing:.06em;color:var(--text-2)}
.compare__row{border-bottom:1px solid var(--line);align-items:flex-start;transition:background .2s ease}
.compare__row:last-child{border-bottom:none}
.compare__row:hover{background:rgba(34,227,195,.04)}
.compare__row h3{font-size:17px;color:var(--text)}
.compare__row p{color:var(--text-2);font-size:15px}
.compare__row .tagline{display:block;margin-top:8px;font-size:13px;color:var(--text-3)}
.compare__row .tagline strong{color:var(--amber);font-weight:600}

/* ---------- FAQ ---------- */
.faq-cols{columns:2;column-gap:28px}
.acc-item{break-inside:avoid;margin-bottom:20px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;transition:border-color .22s ease}
.acc-item.is-open{border-color:rgba(34,227,195,.32)}
.acc-head{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 22px;background:transparent;border:none;text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer}
.acc-head::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--primary);opacity:0;transition:opacity .22s ease}
.acc-item.is-open .acc-head::before{opacity:1}
.acc-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.acc-icon::before{left:0;top:8px;width:18px;height:2px}
.acc-icon::after{left:8px;top:0;width:2px;height:18px}
.acc-item.is-open .acc-icon::after{transform:scaleY(0);opacity:0}
.acc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}
.acc-item.is-open .acc-body{grid-template-rows:1fr}
.acc-inner{overflow:hidden}
.acc-inner p{padding:0 22px 20px 22px;color:var(--text-2);font-size:15px}
.acc-item.is-open .acc-inner p{color:var(--text)}

/* ---------- latest ---------- */
.latest-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:28px}
.post-card{display:flex;flex-direction:column;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .22s ease,border-color .22s ease}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,227,195,.35)}
.post-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.post-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card__body h3{font-size:19px}
.post-card__body p{color:var(--text-2);font-size:15px}
.post-list{display:grid;gap:18px}
.post-mini{display:flex;gap:16px;padding:14px;border-radius:14px;background:var(--glass);border:1px solid var(--line);transition:border-color .2s ease,transform .2s ease}
.post-mini:hover{border-color:rgba(34,227,195,.32);transform:translateY(-3px)}
.post-mini img{width:104px;height:76px;object-fit:cover;border-radius:10px;flex:0 0 104px}
.post-mini h3{font-size:16px;margin-bottom:6px}
.post-mini p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-mini .meta-row{margin-top:8px}

/* ---------- CTA ---------- */
.cta-band{border-radius:var(--r-card);background:rgba(34,227,195,.08);border:1px solid rgba(34,227,195,.24);padding:40px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.cta-band h2{font-size:26px}
.cta-band p{color:var(--text-2);margin-top:12px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- footer ---------- */
.site-footer{background:var(--panel-deep);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo__text{font-size:15px}
.footer-brand .logo__mark{width:24px;height:24px;border-radius:8px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-3)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--gap-section:72px}
  .container{padding:0 24px}
  .main-nav{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy h1{font-size:34px}
  .hero-media{min-height:300px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-grid{grid-template-columns:1fr}
  .card--wide{grid-column:span 1}
  .card--lift{margin-top:0}
  .latest-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .faq-cols{columns:1}
  .scene{grid-template-columns:1fr;gap:24px}
  .scene.reverse .scene__media{order:0}
  .compare__head{display:none}
  .compare__row{grid-template-columns:1fr;gap:8px;padding:20px}
  .h2{font-size:24px}
}
@media (max-width:520px){
  :root{--gap-section:56px}
  .container{padding:0 20px}
  .hero-copy h1{font-size:28px}
  .hero-media{min-height:auto;display:grid;gap:14px}
  .hero-media img{position:static;width:100%;aspect-ratio:16/10}
  .hero-media::after{display:none}
  .stat-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .cta-band{padding:26px}
  .post-mini img{width:84px;height:64px;flex:0 0 84px}
}