/* roulang page: index */
:root{
  --brand-900:#2A1F49;
  --brand-700:#3C2E63;
  --brand-500:#5B49A6;
  --brand-100:#EDEAFA;
  --accent:#FF7A2F;
  --accent-hover:#E8661A;
  --accent-100:#FFF1E7;
  --teal:#12A594;
  --teal-100:#E4F5F2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#F1EDE7;
  --line:#E4DED5;
  --divider:#EFEAE3;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8598;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 2px 8px rgba(42,31,73,.06);
  --shadow-md:0 12px 28px rgba(42,31,73,.12);
  --shadow-nav:0 2px 12px rgba(42,31,73,.10);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;font-weight:700;color:var(--text);}
h1{font-size:40px;line-height:1.25;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
h4{font-size:16px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
time,.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;}
.section-head__lead{max-width:720px;}
.section-head p{color:var(--text-2);margin:10px 0 0;font-size:15.5px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-500);background:var(--brand-100);border-radius:999px;padding:5px 14px;letter-spacing:.04em;}
.section-title{display:flex;align-items:center;gap:12px;}
.section-title::before{content:"";width:4px;height:26px;border-radius:2px;background:var(--accent);display:block;}
.text-link{font-size:14.5px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.text-link i{font-size:12px;transition:transform .18s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ============ 按钮系统 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--accent);color:#fff;font-weight:600;font-size:16px;
  padding:14px 28px;border-radius:var(--radius-btn);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
  box-shadow:0 2px 8px rgba(232,102,26,.22);
}
.btn-main:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(232,102,26,.28);}
.btn-main:active{transform:translateY(0);box-shadow:0 2px 8px rgba(232,102,26,.22);}
.btn-main.btn-pill{border-radius:999px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:#fff;color:var(--brand-700);font-weight:600;font-size:16px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid var(--brand-700);
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:transparent;color:#fff;font-weight:600;font-size:16px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.6);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-ghost-dark:hover{background:#fff;color:var(--brand-900);border-color:#fff;}
.btn-sm{font-size:14px;padding:10px 18px;border-radius:8px;}
.btn-block{width:100%;}
.tag{display:inline-flex;align-items:center;font-size:12px;line-height:1.4;font-weight:600;padding:3px 10px;border-radius:6px;letter-spacing:.02em;}
.tag--brand{background:var(--brand-100);color:var(--brand-700);}
.tag--teal{background:var(--teal-100);color:#0C7D70;}
.tag--accent{background:var(--accent-100);color:var(--accent-hover);}

/* ============ 顶栏导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;}
.header-top{background:var(--brand-700);transition:padding .22s ease;}
.header-top__inner{display:flex;align-items:center;gap:20px;padding:12px 0;transition:padding .22s ease;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--accent) 0%,#FFB27A 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  box-shadow:0 4px 12px rgba(255,122,47,.35);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{color:#fff;font-size:19px;font-weight:700;letter-spacing:.03em;}
.brand__sub{color:rgba(255,255,255,.62);font-size:11px;letter-spacing:.08em;}
.header-search{flex:1;max-width:520px;position:relative;}
.header-search form{display:flex;align-items:center;background:#fff;border-radius:999px;height:48px;padding:0 6px 0 18px;border:1px solid transparent;transition:box-shadow .18s ease,border-color .18s ease;}
.header-search form:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,47,.18);}
.header-search i.fa-magnifying-glass{color:var(--text-3);font-size:15px;}
.header-search input{flex:1;border:none;background:transparent;outline:none;font-size:14.5px;padding:0 12px;height:100%;color:var(--text);}
.header-search input::placeholder{color:var(--text-3);}
.header-search button{
  background:var(--accent);color:#fff;border-radius:999px;height:36px;padding:0 18px;
  font-size:14px;font-weight:600;transition:background .18s ease;white-space:nowrap;
}
.header-search button:hover{background:var(--accent-hover);}
.header-actions{display:flex;align-items:center;gap:22px;margin-left:auto;flex-shrink:0;}
.header-actions a.link{color:rgba(255,255,255,.86);font-size:14.5px;font-weight:500;}
.header-actions a.link:hover{color:var(--accent);}
.header-download{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:14.5px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.header-download:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,102,26,.3);}
.nav-toggle{display:none;color:#fff;font-size:20px;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;background:rgba(255,255,255,.1);}
.header-cats{background:#fff;border-bottom:1px solid var(--line);}
.header-cats__scroll{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:0;height:52px;}
.header-cats__scroll::-webkit-scrollbar{display:none;}
.cat-pill{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 16px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:background .18s ease,color .18s ease;border-bottom:2px solid transparent;
}
.cat-pill:hover{background:var(--brand-100);color:var(--brand-700);}
.cat-pill.active{background:var(--brand-700);color:#fff;font-weight:600;}
.cat-pill.active:hover{background:var(--brand-700);color:#fff;}
.mobile-panel{display:none;background:var(--brand-700);padding:0 24px 18px;}
.mobile-panel.show{display:block;}
.mobile-panel .header-search{max-width:none;margin-bottom:14px;}
.mobile-panel a.m-link{display:block;color:rgba(255,255,255,.9);padding:11px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px;}
.mobile-panel a.m-link.active{color:var(--accent);font-weight:600;}

/* ============ Hero ============ */
.hero{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);padding:64px 0 80px;position:relative;overflow:hidden;}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero__badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-100);color:var(--accent-hover);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:20px;}
.hero h1{font-size:40px;line-height:1.25;margin-bottom:18px;color:var(--brand-900);}
.hero h1 em{color:var(--accent);font-style:normal;}
.hero__sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:30px;}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.hero__meta{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:24px;border-top:1px dashed var(--line);}
.hero__meta div{display:flex;flex-direction:column;gap:2px;}
.hero__meta span.k{font-size:12.5px;color:var(--text-3);}
.hero__meta span.v{font-size:17px;font-weight:600;color:var(--brand-900);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.hero__visual{position:relative;}
.hero__visual img{border-radius:16px;box-shadow:var(--shadow-md);aspect-ratio:16/11;width:100%;border:1px solid rgba(60,46,99,.08);}
.float-card{
  position:absolute;background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-md);
  display:flex;align-items:center;gap:12px;border:1px solid var(--divider);
}
.float-card--score{left:-18px;bottom:36px;}
.float-card--count{right:-10px;top:32px;}
.float-card__icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;}
.float-card__icon.orange{background:var(--accent-100);color:var(--accent);}
.float-card__icon.teal{background:var(--teal-100);color:var(--teal);}
.float-card__num{font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--brand-900);line-height:1.2;}
.float-card__label{font-size:12.5px;color:var(--text-3);}

/* ============ Bento 价值点 ============ */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:auto auto;gap:24px;}
.bento__item{
  background:var(--surface);border-radius:var(--radius-card);padding:26px;border:1px solid var(--divider);
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;
}
.bento__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.bento__item--lead{grid-column:1/3;grid-row:1/3;background:var(--brand-700);color:#fff;border-color:transparent;padding:0;overflow:hidden;}
.bento__item--lead .lead-media{width:100%;height:190px;object-fit:cover;}
.bento__item--lead .lead-body{padding:26px;}
.bento__item--lead h3{color:#fff;font-size:22px;margin-bottom:10px;}
.bento__item--lead p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:18px;}
.bento__item--lead .mini-list li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.86);font-size:14.5px;padding:6px 0;}
.bento__item--lead .mini-list i{color:var(--accent);font-size:13px;margin-top:6px;}
.bento__item--wide{grid-column:3/5;}
.bento__item--sm{grid-column:span 1;}
.bento__item--sm p{font-size:14.5px;color:var(--text-2);margin:8px 0 0;}
.bento__icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;background:var(--brand-100);color:var(--brand-700);}
.bento__icon.teal{background:var(--teal-100);color:var(--teal);}
.bento__icon.orange{background:var(--accent-100);color:var(--accent);}
.bento__cover{border-radius:var(--radius-img);aspect-ratio:16/9;width:100%;margin-top:18px;}

/* ============ 功能截图轮播 ============ */
.shots{background:var(--surface-2);}
.shot-frame{background:#fff;border-radius:18px;padding:22px;border:1px solid var(--divider);box-shadow:var(--shadow-sm);}
.shot-main{position:relative;border-radius:var(--radius-img);overflow:hidden;background:var(--brand-100);}
.shot-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.shot-caption{padding:20px 4px 4px;}
.shot-caption h3{font-size:19px;margin-bottom:6px;color:var(--brand-900);}
.shot-caption p{font-size:14.5px;color:var(--text-2);margin:0;}
.carousel-control-prev,.carousel-control-next{
  width:48px;height:48px;top:50%;transform:translateY(-50%);opacity:1;
  background:rgba(42,31,73,.62);border-radius:50%;color:#fff;font-size:16px;
  display:flex;align-items:center;justify-content:center;transition:background .18s ease;
}
.carousel-control-prev{left:16px;}
.carousel-control-next{right:16px;}
.carousel-control-prev:hover,.carousel-control-next:hover{background:rgba(42,31,73,.92);}
.carousel-indicators{position:static;margin:18px 0 0;gap:8px;}
.carousel-indicators [data-bs-target]{width:10px;height:10px;border-radius:999px;background:var(--line);border:none;opacity:1;margin:0;transition:all .2s ease;}
.carousel-indicators .active{width:28px;background:var(--accent);}
.shot-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:20px;}
.shot-thumb{border-radius:10px;overflow:hidden;border:2px solid transparent;cursor:pointer;padding:0;background:none;transition:border-color .18s ease,transform .18s ease;}
.shot-thumb img{aspect-ratio:16/10;width:100%;}
.shot-thumb:hover{transform:translateY(-2px);}
.shot-thumb.active{border-color:var(--accent);}

/* ============ 系统要求 ============ */
.spec-card{background:#fff;border-radius:var(--radius-card);border:1px solid var(--divider);padding:8px 28px;box-shadow:var(--shadow-sm);}
.spec-row{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--divider);align-items:center;}
.spec-row:last-child{border-bottom:none;}
.spec-key{color:var(--text-3);font-size:14.5px;}
.spec-val{color:var(--text);font-size:15.5px;font-weight:500;font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.spec-aside{background:var(--brand-100);border-radius:var(--radius-card);padding:28px;display:flex;flex-direction:column;justify-content:space-between;}
.spec-aside h3{color:var(--brand-900);margin-bottom:10px;}
.spec-aside p{font-size:14.5px;color:var(--text-2);}
.spec-layout{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:start;}

/* ============ 评价墙 ============ */
.review-summary{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--divider);border-radius:var(--radius-card);padding:18px 24px;box-shadow:var(--shadow-sm);margin-bottom:24px;flex-wrap:wrap;}
.review-summary .score{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--brand-900);line-height:1;}
.stars{color:var(--teal);font-size:14px;letter-spacing:2px;}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.review-card{background:#fff;border:1px solid var(--divider);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.review-head img{width:44px;height:44px;border-radius:50%;border:2px solid var(--brand-100);}
.review-name{font-weight:600;font-size:15px;color:var(--text);}
.review-device{font-size:12.5px;color:var(--text-3);}
.review-body{font-size:14.5px;color:var(--text-2);margin:0 0 14px;line-height:1.75;}
.review-foot{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--text-3);border-top:1px solid var(--divider);padding-top:12px;}

/* ============ 下载区 ============ */
.download-section{background:var(--brand-700);color:#fff;position:relative;overflow:hidden;}
.download-section::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,122,47,.14);}
.download-section .section-title::before{background:var(--accent);}
.download-section h2,.download-section h3{color:#fff;}
.download-section p{color:rgba(255,255,255,.78);}
.download-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;position:relative;z-index:1;}
.dl-main-btn{
  display:flex;align-items:center;gap:16px;background:var(--accent);color:#fff;border-radius:12px;
  padding:16px 26px;width:100%;max-width:420px;min-height:56px;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.dl-main-btn:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.24);}
.dl-main-btn i{font-size:26px;}
.dl-main-btn .txt{display:flex;flex-direction:column;text-align:left;line-height:1.3;}
.dl-main-btn .txt b{font-size:17px;font-weight:700;}
.dl-main-btn .txt small{font-size:12.5px;opacity:.85;}
.dl-alts{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px;}
.dl-alts a{
  display:inline-flex;align-items:center;gap:9px;border:1px solid rgba(255,255,255,.35);border-radius:10px;
  padding:11px 20px;color:#fff;font-size:14.5px;font-weight:500;transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.dl-alts a:hover{background:#fff;color:var(--brand-900);border-color:#fff;}
.dl-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.62);display:flex;flex-wrap:wrap;gap:18px;}
.dl-qr{background:#fff;border-radius:var(--radius-card);padding:22px;text-align:center;color:var(--text);}
.dl-qr .qr-box{width:132px;height:132px;margin:0 auto 12px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--surface-2);color:var(--brand-700);font-size:64px;}
.dl-qr p{font-size:13px;color:var(--text-2);margin:0;}

/* ============ CMS 最新信息 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:#fff;border:1px solid var(--divider);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;height:100%;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.post-card__link{display:flex;flex-direction:column;height:100%;color:inherit;}
.post-card__link:hover .post-card__title{color:var(--brand-500);}
.post-card__media{aspect-ratio:16/9;background:var(--brand-100);overflow:hidden;}
.post-card__media img{width:100%;height:100%;transition:transform .3s ease;}
.post-card:hover .post-card__media img{transform:scale(1.03);}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;gap:10px;}
.post-card__title{font-size:17px;line-height:1.5;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.post-card__excerpt{font-size:14px;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--divider);font-size:12.5px;color:var(--text-3);display:flex;justify-content:space-between;align-items:center;}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);}
.empty-state i{font-size:46px;color:var(--brand-100);margin-bottom:14px;display:block;}
.empty-state p{color:var(--text-2);margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item:hover{border-color:#D6CDBF;}
.faq-item.open{box-shadow:var(--shadow-sm);border-color:#D6CDBF;}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--text);transition:color .18s ease;}
.faq-item.open .faq-q{color:var(--brand-500);}
.faq-q i{color:var(--text-3);font-size:15px;transition:transform .22s ease,color .18s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a__in{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.75;}

/* ============ 收尾 CTA ============ */
.final-cta{background:var(--brand-900);border-radius:20px;padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;position:relative;overflow:hidden;}
.final-cta::before{content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:rgba(255,122,47,.12);}
.final-cta h2{color:#fff;position:relative;z-index:1;}
.final-cta p{color:rgba(255,255,255,.72);margin:10px 0 0;position:relative;z-index:1;max-width:620px;}
.final-cta .btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:88px;border-top:3px solid var(--accent);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:60px 0 40px;}
.footer-brand .brand__name{color:#fff;}
.footer-brand p{font-size:14px;margin:16px 0 0;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.03em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;font-size:14px;align-items:flex-start;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 移动吸底条 ============ */
.sticky-download{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(42,31,73,.12);padding:10px 16px;display:none;align-items:center;gap:14px;
  transform:translateY(110%);transition:transform .28s ease;
}
.sticky-download.show{transform:translateY(0);}
.sticky-download .info{flex:1;line-height:1.3;}
.sticky-download .info b{display:block;font-size:14px;color:var(--text);}
.sticky-download .info span{font-size:12px;color:var(--text-3);font-family:var(--font-num);}
.sticky-download .btn-main{padding:11px 20px;font-size:14.5px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  h1{font-size:36px;}
  .hero__grid{gap:40px;}
  .review-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
  .post-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
}
@media (max-width:991.98px){
  .header-search{display:none;}
  .header-actions a.link{display:none;}
  .nav-toggle{display:flex;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .section{padding:72px 0;}
  .hero{padding:48px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .hero__visual{order:-1;}
  .float-card--score{left:8px;bottom:12px;}
  .float-card--count{right:8px;top:12px;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento__item--lead{grid-column:1/3;grid-row:auto;}
  .bento__item--wide{grid-column:1/3;}
  .bento__item--sm{grid-column:span 1;}
  .spec-layout{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .download-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .final-cta{padding:44px 32px;}
  .sticky-download{display:flex;}
}
@media (max-width:767.98px){
  .site-container{padding:0 16px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero__meta{gap:20px;margin-top:26px;}
  .hero__btns .btn-main,.hero__btns .btn-ghost{width:100%;}
  .bento{grid-template-columns:1fr;}
  .bento__item--lead,.bento__item--wide,.bento__item--sm{grid-column:1/2;}
  .shot-thumbs{grid-template-columns:repeat(5,minmax(90px,1fr));overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;}
  .shot-thumb{scroll-snap-align:start;}
  .carousel-control-prev,.carousel-control-next{display:none;}
  .review-grid,.post-grid{grid-template-columns:1fr;}
  .spec-card{padding:6px 20px;}
  .spec-row{grid-template-columns:1fr;gap:4px;padding:14px 0;}
  .dl-main-btn{max-width:none;}
  .dl-alts a{width:100%;justify-content:center;}
  .final-cta{padding:36px 22px;}
  .final-cta .btns{width:100%;}
  .final-cta .btns .btn-main,.final-cta .btns .btn-ghost-dark{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{margin-top:56px;}
}
@media (max-width:575.98px){
  .brand__name{font-size:17px;}
  .brand__sub{display:none;}
  .hero__meta span.v{font-size:15.5px;}
  .float-card{padding:10px 12px;gap:8px;}
  .float-card__icon{width:32px;height:32px;font-size:14px;}
  .float-card__num{font-size:15px;}
  .bento__item{padding:20px;}
  .review-card,.post-card__body{padding:16px;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a__in{padding:0 18px 18px;font-size:14.5px;}
}

/* roulang page: article */
:root{
  --brand-900:#2A1F49;
  --brand-700:#3C2E63;
  --brand-500:#5B49A6;
  --brand-100:#EDEAFA;
  --accent:#FF7A2F;
  --accent-hover:#E8661A;
  --accent-100:#FFF1E7;
  --teal:#12A594;
  --teal-100:#E4F5F2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#F1EDE7;
  --line:#E4DED5;
  --line-2:#EFEAE3;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8598;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 8px rgba(42,31,73,.06);
  --shadow-2:0 12px 28px rgba(42,31,73,.12);
  --shadow-nav:0 2px 12px rgba(42,31,73,.10);
  --num:"Inter","DIN Alternate","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.02em;color:var(--text)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
time,.num{font-variant-numeric:tabular-nums}

.site-container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--brand-700);box-shadow:var(--shadow-nav)}
.header-top{padding:12px 0}
.header-top__inner{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:42px;height:42px;border-radius:12px;background:var(--accent);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:19px;
  box-shadow:0 4px 12px rgba(255,122,47,.35);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{color:#fff;font-size:19px;font-weight:700;letter-spacing:.04em}
.brand__sub{color:rgba(255,255,255,.62);font-size:11px;letter-spacing:.18em;font-family:var(--num)}
.header-search{
  flex:1 1 auto;max-width:520px;height:48px;background:#fff;border-radius:999px;
  display:flex;align-items:center;padding:0 6px 0 18px;gap:10px;
  transition:box-shadow .2s ease;
}
.header-search:focus-within{box-shadow:0 0 0 2px rgba(255,122,47,.55),0 0 0 6px rgba(255,122,47,.16)}
.header-search__icon{color:var(--text-3);font-size:15px}
.header-search__input{
  flex:1 1 auto;border:0;outline:0;background:transparent;height:100%;
  font-size:14.5px;color:var(--text);font-family:inherit;min-width:0;
}
.header-search__input::placeholder{color:var(--text-3)}
.header-search__btn{
  height:38px;padding:0 20px;border:0;border-radius:999px;background:var(--accent);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s ease;flex-shrink:0;
}
.header-search__btn:hover{background:var(--accent-hover)}
.header-links{display:flex;align-items:center;gap:20px;flex-shrink:0}
.header-links a{color:rgba(255,255,255,.82);font-size:14px;white-space:nowrap}
.header-links a:hover{color:#fff}
.header-download{height:48px;padding:0 22px;border-radius:999px;flex-shrink:0}
.header-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.32);
  background:transparent;color:#fff;font-size:18px;align-items:center;justify-content:center;cursor:pointer;
}
.header-burger:hover{background:rgba(255,255,255,.12)}

.header-cats{background:#fff;border-bottom:1px solid var(--line)}
.header-cats__scroll{display:flex;align-items:center;gap:10px;padding:9px 0;overflow-x:auto;scrollbar-width:none}
.header-cats__scroll::-webkit-scrollbar{display:none}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;border:1px solid transparent;
}
.cat-pill:hover{background:var(--brand-100);color:var(--brand-700)}
.cat-pill.active{background:var(--brand-700);color:#fff;font-weight:600}

.mobile-panel{
  display:none;background:var(--brand-700);border-top:1px solid rgba(255,255,255,.14);
  padding:14px 0 18px;
}
.mobile-panel.open{display:block}
.mobile-panel .header-search{max-width:100%;margin-bottom:14px}
.mobile-links{display:flex;flex-wrap:wrap;gap:12px}
.mobile-links a{
  color:rgba(255,255,255,.86);font-size:14.5px;padding:8px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
}
.mobile-links a:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn i{font-size:15px}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,122,47,.28)}
.btn-accent:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.34)}
.btn-accent:active{transform:translateY(0);box-shadow:0 3px 10px rgba(255,122,47,.28)}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-700);color:#fff}
.btn-soft{background:var(--brand-100);color:var(--brand-700);border-color:transparent}
.btn-soft:hover{background:var(--brand-500);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.62)}
.btn-ghost:hover{background:#fff;color:var(--brand-700)}
.btn-lg{height:54px;padding:0 30px;font-size:16px;border-radius:999px}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 4px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li:not(:last-child)::after{content:"/";color:var(--line);font-size:13px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent-hover)}
.crumbs li span{
  color:var(--text-3);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章布局 ---------- */
.article-layout{padding:18px 0 0}
.article-main{min-width:0}
.article-inner{max-width:820px;margin:0 auto}
.article-head{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 36px;box-shadow:var(--shadow-1);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:6px;
  font-size:12px;line-height:1.4;font-weight:600;letter-spacing:.02em;
}
.tag--brand{background:var(--brand-100);color:var(--brand-700)}
.tag--teal{background:var(--teal-100);color:#0C7C6F}
.tag--accent{background:var(--accent-100);color:var(--accent-hover)}
.article-head h1{margin:16px 0 14px;font-size:34px;font-weight:700;line-height:1.32}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand-500);font-size:13px}

.article-figure{margin:24px 0 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:12px;box-shadow:var(--shadow-1)}
.article-figure img{width:100%;aspect-ratio:16/9;border-radius:var(--radius-img)}
.article-figure figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center}

.article-card{
  margin-top:24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:36px 40px 40px;box-shadow:var(--shadow-1);
}
.article-body{font-size:16px;line-height:1.85;color:var(--text);overflow-wrap:break-word}
.article-body p{margin:0 0 1em}
.article-body h2{
  position:relative;font-size:24px;font-weight:700;margin:38px 0 16px;padding-left:16px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:5px;border-radius:3px;background:var(--accent);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{
  font-size:19px;font-weight:600;margin:28px 0 12px;padding-bottom:8px;border-bottom:1px dashed var(--line);
}
.article-body h4{font-size:16.5px;font-weight:600;margin:20px 0 10px;color:var(--brand-700)}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.1em}
.article-body ul{list-style:none}
.article-body ol{list-style:decimal}
.article-body ul li{position:relative;padding-left:4px;margin:8px 0}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}
.article-body ol li{margin:8px 0;padding-left:4px}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;background:var(--brand-100);border-left:4px solid var(--brand-500);
  border-radius:0 var(--radius-img) var(--radius-img) 0;color:var(--brand-900);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:22px auto}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(91,73,166,.32)}
.article-body a:hover{color:var(--accent-hover);border-bottom-color:var(--accent)}
.article-body table{
  display:block;overflow-x:auto;max-width:100%;width:100%;border-collapse:collapse;
  margin:22px 0;font-size:15px;font-variant-numeric:tabular-nums;
}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body thead th{background:var(--brand-100);color:var(--brand-900);font-weight:600;white-space:nowrap}
.article-body tbody tr:nth-child(even){background:var(--surface-2)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}
.article-body strong{color:var(--brand-900)}

.article-foot{
  margin-top:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 28px;box-shadow:var(--shadow-1);
}
.article-foot h4{font-size:14px;color:var(--text-3);font-weight:600;margin-bottom:12px;letter-spacing:.06em}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list a{
  padding:5px 13px;border-radius:999px;background:var(--surface-2);font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);
}
.tag-list a:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-100)}
.article-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line-2)}
.article-nav .btn{height:44px}

/* ---------- 侧栏 ---------- */
.article-aside{display:none}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.aside-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3 i{color:var(--accent)}
.toc-list li{margin:0}
.toc-list a{
  display:block;padding:8px 10px;border-left:2px solid var(--line-2);font-size:13.5px;color:var(--text-2);
  line-height:1.6;transition:all .2s ease;
}
.toc-list a:hover,.toc-list a.on{color:var(--brand-700);border-left-color:var(--accent);background:var(--brand-100)}
.toc-empty{font-size:13.5px;color:var(--text-3);line-height:1.7}
.hot-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line-2)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list li:first-child{padding-top:0}
.hot-list img{width:64px;height:48px;border-radius:8px;flex-shrink:0}
.hot-list a{font-size:13.5px;line-height:1.55;color:var(--text-2)}
.hot-list a:hover{color:var(--brand-700)}
.hot-list small{display:block;margin-top:4px;font-size:12px;color:var(--text-3);font-family:var(--num)}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0 0}
.section--last{padding-bottom:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:26px;font-weight:700}
.section-head p{margin:8px 0 0;font-size:14.5px;color:var(--text-2);max-width:640px}
.link-more{font-size:14px;color:var(--brand-500);font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{color:var(--accent-hover)}

/* ---------- 相关推荐卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DCD4C8}
.post-card__cover{position:relative;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden}
.post-card__cover img{width:100%;height:100%;transition:transform .4s ease}
.post-card:hover .post-card__cover img{transform:scale(1.03)}
.post-card__cover .tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94)}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.post-card__body h3{
  font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover h3{color:var(--brand-700)}
.post-card__body p{
  font-size:14px;color:var(--text-2);line-height:1.72;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);font-family:var(--num)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);transition:border-color .2s ease;
}
.faq-item.open{border-color:var(--brand-500)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--brand-700)}
.faq-item.open .faq-q{color:var(--brand-700)}
.faq-q i{color:var(--accent);transition:transform .25s ease;flex-shrink:0;font-size:15px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.78}
.faq-a p:last-child{margin-bottom:0}
.faq-item.open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:64px;background:var(--brand-900);border-radius:18px;padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,122,47,.14);
}
.cta-band__text{position:relative;z-index:1;max-width:640px}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:14.5px;margin:0}
.cta-band__actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:52px 24px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--surface);
}
.empty-state i{font-size:44px;color:var(--brand-500);margin-bottom:16px;display:block;opacity:.7}
.empty-state h3{font-size:19px;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--text-2);margin-bottom:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.76);margin-top:72px;border-top:1px solid var(--accent)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding:52px 0 36px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.85;margin:0;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.76)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:40px;align-items:start}
  .article-aside{display:block;position:sticky;top:112px}
}
@media (max-width:1199px){
  .header-links{display:none}
}
@media (max-width:991px){
  .header-search{max-width:none}
  .header-download{display:none}
  .header-burger{display:inline-flex}
  .header-top__inner{gap:14px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 30px}
  .section{padding:48px 0 0}
  .article-head{padding:26px 26px}
  .article-head h1{font-size:28px}
  .article-card{padding:28px 26px 32px}
  .cta-band{padding:34px 30px}
}
@media (max-width:767px){
  .site-container{padding:0 16px}
  .header-search{height:44px}
  .header-search__btn{padding:0 15px;font-size:13px}
  .header-search__input{font-size:13.5px}
  .brand__sub{display:none}
  .brand__name{font-size:17px}
  .brand__mark{width:38px;height:38px;font-size:17px}
  .crumbs li span{max-width:180px}
  .headline,.article-head h1{font-size:24px}
  .article-head h1{font-size:24px;margin:12px 0 12px}
  .article-meta{gap:8px 16px}
  .article-body{font-size:15.5px;line-height:1.8}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:17.5px}
  .card-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:22px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .article-head{padding:22px 18px}
  .article-card{padding:22px 18px 26px}
  .article-foot{padding:20px 18px}
  .post-card__body{padding:16px}
  .btn-lg{width:100%}
}

/* roulang page: category1 */
:root{
  --brand-900:#2A1F49;
  --brand-700:#3C2E63;
  --brand-500:#5B49A6;
  --brand-100:#EDEAFA;
  --accent:#FF7A2F;
  --accent-hover:#E8661A;
  --accent-100:#FFF1E7;
  --teal:#12A594;
  --teal-100:#E4F5F2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#F1EDE7;
  --line:#E4DED5;
  --divider:#EFEAE3;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8598;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 8px rgba(42,31,73,.06);
  --shadow-2:0 12px 28px rgba(42,31,73,.12);
  --shadow-nav:0 2px 12px rgba(42,31,73,.10);
  --sec-gap:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","DIN Alternate","PingFang SC",system-ui,sans-serif;
}

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

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

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:.02em;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:0;}

.site-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶栏 ============ */
.site-header{position:sticky;top:0;z-index:1030;}

.topbar{
  background:var(--brand-700);
  box-shadow:var(--shadow-nav);
}
.topbar__inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
  padding-top:12px;
  padding-bottom:12px;
}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent);
  color:#fff;font-size:17px;
  box-shadow:0 4px 12px rgba(255,122,47,.35);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{color:#fff;font-size:18px;font-weight:700;letter-spacing:.04em;}
.brand__sub{color:rgba(255,255,255,.55);font-size:10px;letter-spacing:.22em;font-family:var(--font-num);}

.topbar__search{
  flex:1 1 auto;
  max-width:520px;
  min-width:200px;
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  padding:0 8px 0 18px;
  background:#fff;
  border-radius:999px;
  border:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.topbar__search i{color:var(--text-3);font-size:15px;}
.topbar__search input{
  flex:1 1 auto;
  min-width:0;
  border:0;outline:none;background:transparent;
  height:100%;
  font-size:15px;color:var(--text);
}
.topbar__search input::placeholder{color:var(--text-3);}
.topbar__search:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(255,122,47,.22);
}
.search-submit{
  flex:0 0 auto;
  height:36px;
  padding:0 18px;
  border:0;border-radius:999px;
  background:var(--brand-700);
  color:#fff;font-size:14px;font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease,transform .15s ease;
}
.search-submit:hover{background:var(--brand-500);transform:translateY(-1px);}
.search-submit:active{transform:translateY(0);}

.topbar__actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;margin-left:auto;}
.topbar__link{color:rgba(255,255,255,.82);font-size:14px;white-space:nowrap;}
.topbar__link:hover{color:var(--accent);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  padding:12px 22px;
  cursor:pointer;
  line-height:1.2;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn i{font-size:15px;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,122,47,.28);}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px);color:#fff;box-shadow:0 10px 22px rgba(255,122,47,.32);}
.btn-accent:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,122,47,.24);}
.btn-pill{border-radius:999px;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:#fff;color:var(--brand-700);border-color:#fff;}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--brand-700);}
.btn-outline:hover{background:var(--brand-700);color:#fff;}
.btn-lg{padding:16px 32px;font-size:16px;border-radius:12px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:11px;
  border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:17px;
  align-items:center;justify-content:center;
}

/* ============ 分类条 ============ */
.header-cats{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-cats__scroll{
  display:flex;align-items:center;gap:10px;
  height:56px;
  overflow-x:auto;
  scrollbar-width:none;
}
.header-cats__scroll::-webkit-scrollbar{display:none;}
.cat-pill{
  position:relative;
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.cat-pill:hover{background:var(--brand-100);color:var(--brand-700);}
.cat-pill.active{
  background:var(--brand-700);
  color:#fff;
  font-weight:600;
  box-shadow:0 4px 12px rgba(60,46,99,.22);
}
.cat-pill.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:-14px;
  transform:translateX(-50%);
  width:26px;height:3px;border-radius:3px;
  background:var(--accent);
}

/* 移动端下拉 */
.mobile-nav{background:var(--brand-900);border-top:1px solid rgba(255,255,255,.08);}
.mobile-nav .site-container{padding-top:18px;padding-bottom:20px;}
.mobile-search{
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 6px 0 16px;
  background:#fff;border-radius:999px;margin-bottom:16px;
}
.mobile-search i{color:var(--text-3);}
.mobile-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:15px;}
.mobile-links{display:flex;flex-direction:column;}
.mobile-links a{
  color:rgba(255,255,255,.86);
  padding:12px 4px;
  font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-links a:last-child{border-bottom:0;}
.mobile-links a.active{color:var(--accent);font-weight:600;}

/* ============ 通用板块 ============ */
main{display:block;}
.block{margin-bottom:var(--sec-gap);}
.block__head{margin-bottom:28px;}
.block__head h2{font-size:28px;line-height:1.35;}
.block__head p{margin-top:10px;color:var(--text-2);max-width:760px;}
.block__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;
  color:var(--brand-500);
  background:var(--brand-100);
  border-radius:6px;
  padding:4px 10px;
  margin-bottom:12px;
  font-weight:600;
}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;
  border-radius:6px;
  font-size:12px;line-height:1.4;
  background:var(--brand-100);color:var(--brand-700);
  font-weight:600;
}
.tag--teal{background:var(--teal-100);color:var(--teal);}
.tag--accent{background:var(--accent-100);color:var(--accent-hover);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  min-height:340px;
  display:flex;
  align-items:flex-end;
  margin-top:32px;
  margin-bottom:56px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-2);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(42,31,73,.94) 0%,rgba(42,31,73,.82) 46%,rgba(60,46,99,.45) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:44px 48px 42px;width:100%;}

.breadcrumb-x{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.7);
  margin-bottom:18px;
}
.breadcrumb-x a{color:rgba(255,255,255,.7);}
.breadcrumb-x a:hover{color:var(--accent);}
.breadcrumb-x .sep{opacity:.5;}
.breadcrumb-x .current{color:#fff;font-weight:600;}

.page-hero h1{
  color:#fff;
  font-size:40px;
  line-height:1.25;
  max-width:760px;
}
.page-hero__desc{
  margin-top:14px;
  max-width:680px;
  color:rgba(255,255,255,.84);
  font-size:16px;
}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:26px;
}
.hero-fact{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:10px;
  padding:10px 18px;
  color:#fff;
  display:flex;flex-direction:column;gap:2px;
  min-width:132px;
}
.hero-fact span:first-child{font-size:12px;color:rgba(255,255,255,.68);}
.hero-fact span:last-child{font-size:16px;font-weight:600;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ============ 主体两栏 ============ */
.page-layout{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:40px;
  align-items:start;
}

.page-aside{position:sticky;top:112px;}
.anchor-nav{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.anchor-nav h3{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:14px;
}
.anchor-nav a{
  display:block;
  padding:9px 12px;
  border-radius:9px;
  font-size:14px;
  color:var(--text-2);
  border-left:3px solid transparent;
}
.anchor-nav a:hover{background:var(--surface-2);color:var(--brand-700);}
.anchor-nav a.is-active{
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:600;
  border-left-color:var(--accent);
}
.aside-card{
  margin-top:20px;
  border-radius:var(--radius-card);
  padding:20px;
  background:var(--brand-700);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.aside-card h4{font-size:16px;color:#fff;margin-bottom:6px;}
.aside-card p{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:14px;}
.aside-card dl{margin:0 0 16px;font-size:13px;}
.aside-card dl div{
  display:flex;justify-content:space-between;gap:10px;
  padding:7px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.aside-card dl div:last-child{border-bottom:0;}
.aside-card dt{color:rgba(255,255,255,.66);font-weight:400;}
.aside-card dd{margin:0;color:#fff;font-weight:600;}
.aside-card .btn{width:100%;}

/* ============ 卡片网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DCD4C8;}
.info-card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--brand-100);
}
.info-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.info-card:hover .info-card__media img{transform:scale(1.03);}
.info-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.info-card__body h3{font-size:19px;line-height:1.5;}
.info-card__body p{color:var(--text-2);font-size:15px;}
.info-card__list{margin-top:2px;}
.info-card__list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--text-2);
  margin-bottom:6px;
}
.info-card__list li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;
  background:var(--teal);
}
.info-card__foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--divider);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.info-card__foot a{color:var(--brand-500);font-weight:600;}
.info-card__foot a:hover{color:var(--accent);}

/* ============ 规格区 ============ */
.spec-card{
  margin-top:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
}
.spec-card__head{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;margin-bottom:14px;
}
.spec-card__head h3{font-size:19px;}
.spec-card__head a{font-size:13px;color:var(--brand-500);font-weight:600;}
.spec-card__head a:hover{color:var(--accent);}
.spec-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  column-gap:40px;
}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:13px 0;
  border-bottom:1px solid var(--divider);
}
.spec-row dt{color:var(--text-3);font-size:14px;font-weight:400;}
.spec-row dd{margin:0;font-size:15px;font-weight:600;text-align:right;}

/* ============ 流程编号 ============ */
.step-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:10px 26px;
  box-shadow:var(--shadow-1);
  margin-top:24px;
}
.step-item{
  display:flex;gap:18px;
  padding:20px 0;
  border-bottom:1px dashed var(--divider);
}
.step-item:last-child{border-bottom:0;}
.step-no{
  flex:0 0 auto;
  width:34px;height:34px;border-radius:10px;
  background:var(--accent-100);
  color:var(--accent-hover);
  font-family:var(--font-num);
  font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.step-item h4{font-size:16px;margin-bottom:4px;}
.step-item p{font-size:14px;color:var(--text-2);}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:14px;
  background:var(--teal-100);
  border:1px solid #C7E8E3;
  border-radius:var(--radius-card);
  padding:18px 22px;
  margin-top:24px;
}
.notice i{color:var(--teal);font-size:18px;margin-top:3px;}
.notice p{font-size:14px;color:#0E6F65;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#DCD4C8;}
.faq-item:has(.accordion-button:not(.collapsed)){border-color:var(--brand-500);box-shadow:var(--shadow-1);}
.accordion-button{
  width:100%;
  background:transparent;
  border:0;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--brand-700);}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-3px;border-radius:12px;}
.accordion-button::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand-500);
  transition:transform .25s ease,color .25s ease;
  background-image:none;
  width:auto;height:auto;
  transform:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--accent);}
.accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--text-2);
}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-900);
  border-radius:18px;
  padding:48px 48px 46px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";
  position:absolute;top:-80px;right:-60px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.32),rgba(255,122,47,0) 68%);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:40px;
  align-items:center;
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;}
.cta-band p{color:rgba(255,255,255,.76);margin-top:12px;max-width:560px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.6);}
.qr-box{
  background:#fff;
  border-radius:14px;
  padding:16px;
  text-align:center;
  width:168px;
  box-shadow:var(--shadow-2);
}
.qr-code{
  width:136px;height:136px;
  border-radius:10px;
  background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-700);
  font-size:52px;
  margin-bottom:10px;
}
.qr-box span{font-size:12px;color:var(--text-2);display:block;line-height:1.5;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.78);
  border-top:1px solid var(--accent);
  margin-top:0;
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(255,255,255,.72);
  margin-bottom:11px;
}
.footer-contact i{color:var(--accent);font-size:13px;margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.52);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec-gap:72px;}
  .page-layout{grid-template-columns:210px minmax(0,1fr);gap:30px;}
  .page-hero h1{font-size:34px;}
}

@media (max-width:991px){
  .topbar__search{max-width:none;}
  .topbar__link{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-layout{grid-template-columns:minmax(0,1fr);}
  .page-aside{position:static;}
  .anchor-nav{display:flex;flex-wrap:wrap;gap:8px;padding:14px;}
  .anchor-nav h3{width:100%;margin-bottom:6px;}
  .anchor-nav a{
    border-left:0;border:1px solid var(--line);
    border-radius:999px;padding:7px 14px;font-size:13px;
  }
  .anchor-nav a.is-active{border-color:var(--brand-700);}
  .aside-card{margin-top:16px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);}
  .qr-box{width:auto;max-width:220px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:767px){
  :root{--sec-gap:56px;}
  .site-container{padding:0 16px;}
  .topbar__search{display:none;}
  .topbar__actions{gap:12px;}
  .page-hero{min-height:0;border-radius:14px;margin-top:20px;margin-bottom:40px;}
  .page-hero__inner{padding:28px 22px 30px;}
  .page-hero h1{font-size:28px;}
  .page-hero__desc{font-size:15px;}
  .hero-facts{gap:10px;}
  .hero-fact{padding:8px 14px;min-width:0;flex:1 1 calc(50% - 5px);}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .block__head h2{font-size:22px;}
  .spec-grid{grid-template-columns:minmax(0,1fr);}
  .spec-card{padding:20px;}
  .step-list{padding:6px 20px;}
  .cta-band{padding:32px 22px;border-radius:14px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:575px){
  body{font-size:15.5px;}
  .page-hero h1{font-size:25px;}
  .info-card__body{padding:18px;}
  .info-card__body h3{font-size:17px;}
  .accordion-button{font-size:16px;padding:17px 18px;}
  .accordion-body{padding:0 18px 18px;}
  .cat-pill{font-size:14px;padding:7px 13px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#2A1F49;
  --brand-700:#3C2E63;
  --brand-500:#5B49A6;
  --brand-100:#EDEAFA;
  --accent:#FF7A2F;
  --accent-hover:#E8661A;
  --accent-100:#FFF1E7;
  --teal:#12A594;
  --teal-100:#E4F5F2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#F1EDE7;
  --line:#E4DED5;
  --line-2:#EFEAE3;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8598;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 8px rgba(42,31,73,.06);
  --shadow-2:0 12px 28px rgba(42,31,73,.12);
  --shadow-nav:0 2px 12px rgba(42,31,73,.10);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","DIN Alternate","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease,background-color .18s ease,opacity .18s ease}
a:hover{color:var(--accent-hover)}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.02em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--surface-2)}
.section--white{background:var(--surface)}
.section-head{max-width:740px;margin-bottom:40px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.section-head h2{font-size:28px;line-height:1.35;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px;margin:0}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn i{font-size:15px}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.28)}
.btn-accent:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,102,26,.32)}
.btn-accent:active{transform:none;box-shadow:0 4px 12px rgba(232,102,26,.26)}
.btn-ghost{background:#fff;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.62);color:#fff}
.btn-ghost-light:hover{background:#fff;border-color:#fff;color:var(--brand-700)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 30px;font-size:16px;border-radius:999px}
.btn-block{width:100%}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:1030}
.header-top{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-nav)}
.header-top__inner{display:flex;align-items:center;gap:20px;min-height:76px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex:0 0 auto}
.brand:hover{color:#fff}
.brand__mark{width:38px;height:38px;border-radius:10px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 6px 16px rgba(255,122,47,.35)}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:18px;font-weight:700;letter-spacing:.02em}
.brand__sub{font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.6)}
.header-search{
  flex:1 1 auto;max-width:520px;min-width:200px;height:48px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:2px solid transparent;border-radius:999px;padding:0 8px 0 18px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.header-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,122,47,.18)}
.header-search i{color:var(--text-3);font-size:15px}
.header-search input{flex:1 1 auto;min-width:0;height:100%;border:0;outline:none;background:transparent;color:var(--text);font-size:14.5px}
.header-search input::placeholder{color:var(--text-3)}
.header-search button{
  flex:0 0 auto;height:34px;padding:0 16px;border:0;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.header-search button:hover{background:var(--brand-500);color:#fff}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.header-link{color:rgba(255,255,255,.86);font-size:14.5px}
.header-link:hover{color:var(--accent)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;font-size:17px;cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.header-mobile{display:none;background:var(--brand-700);padding:0 0 18px}
.header-mobile.is-open{display:block}
.header-mobile .header-search{max-width:100%;margin:0 0 14px}
.header-mobile__links{display:flex;flex-wrap:wrap;gap:10px}
.header-mobile__links a{
  color:rgba(255,255,255,.86);font-size:14px;padding:8px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
}
.header-mobile__links a:hover{background:rgba(255,255,255,.12);color:#fff}
.header-cats{background:#fff;border-bottom:1px solid var(--line)}
.header-cats__scroll{display:flex;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.header-cats__scroll::-webkit-scrollbar{display:none}
.cat-pill{
  position:relative;flex:0 0 auto;padding:8px 16px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--text-2);white-space:nowrap;
}
.cat-pill:hover{background:var(--brand-100);color:var(--brand-700)}
.cat-pill.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;box-shadow:inset 0 -2px 0 var(--accent)}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--brand-900);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:52px 0 64px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(42,31,73,.96) 0%,rgba(42,31,73,.86) 46%,rgba(60,46,99,.62) 100%);
}
.page-hero .site-container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.84)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:rgba(255,255,255,.34)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;
  background:rgba(255,122,47,.16);border:1px solid rgba(255,122,47,.38);
  color:#FFC79B;font-size:12.5px;font-weight:600;letter-spacing:.05em;
}
.hero-copy h1{color:#fff;font-size:40px;line-height:1.25;margin:16px 0 18px}
.hero-copy p{color:rgba(255,255,255,.82);font-size:16.5px;max-width:580px;margin-bottom:26px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:30px;list-style:none;
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-meta li{font-size:13px;color:rgba(255,255,255,.66)}
.hero-meta strong{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:19px;color:#fff;font-weight:700;margin-bottom:2px}
.hero-side img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px;box-shadow:0 18px 44px rgba(0,0,0,.32)}

/* ---------- 步骤条 ---------- */
.step-bar{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step-bar__item{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-bar__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DAD2E9}
.step-bar__item::after{content:"";position:absolute;top:46px;right:-24px;width:24px;height:2px;background:var(--line)}
.step-bar__item:last-child::after{display:none}
.step-num{
  display:grid;place-items:center;width:40px;height:40px;margin-bottom:15px;border-radius:12px;
  background:var(--brand-100);color:var(--brand-700);font-family:var(--font-num);font-size:17px;font-weight:700;
}
.step-bar__item h3{font-size:19px;margin-bottom:9px}
.step-bar__item p{color:var(--text-2);font-size:15px;margin:0}

/* ---------- 图文交替宽卡 ---------- */
.media-row{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:48px;align-items:center;margin-bottom:72px}
.media-row:last-child{margin-bottom:0}
.media-row--reverse .media-row__visual{order:2}
.media-row--reverse .media-row__body{order:1}
.media-row__visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.media-row__body h3{font-size:22px;line-height:1.45;margin:14px 0 12px}
.media-row__body > p{color:var(--text-2);font-size:15.5px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:6px;background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:600}
.tag--teal{background:var(--teal-100);color:#0E7F73}
.check-list{list-style:none;display:grid;gap:10px;margin-top:18px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7}
.check-list i{color:var(--teal);font-size:14px;margin-top:6px;flex:0 0 auto}
.text-link{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:14.5px;font-weight:600;color:var(--brand-500)}
.text-link:hover{color:var(--accent-hover)}

/* ---------- 规格块 ---------- */
.spec-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden}
.spec-card__head{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--line-2)}
.spec-card__head h2{font-size:20px;margin:0}
.spec-card__head a{font-size:14px;font-weight:600}
.spec-list{margin:0}
.spec-row{display:grid;grid-template-columns:230px minmax(0,1fr);gap:24px;padding:17px 24px;border-bottom:1px solid var(--line-2);margin:0}
.spec-row:last-child{border-bottom:0}
.spec-row dt{margin:0;color:var(--text-3);font-size:14.5px;font-weight:500}
.spec-row dd{margin:0;font-size:15px;color:var(--text);font-variant-numeric:tabular-nums}
.spec-row dd em{font-style:normal;color:var(--brand-700);font-weight:600}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{
  width:100%;background:#fff;color:var(--text);font-size:17px;font-weight:600;line-height:1.5;
  padding:20px 22px;border:0;border-radius:12px;box-shadow:none;display:flex;align-items:center;gap:16px;
  transition:color .18s ease,background-color .18s ease;
}
.faq .accordion-button:not(.collapsed){color:var(--brand-700);background:#fff;box-shadow:none}
.faq .accordion-button:hover{color:var(--brand-500)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(255,122,47,.20);border-color:var(--accent);z-index:3}
.faq .accordion-button::after{
  content:"";flex:0 0 auto;width:11px;height:11px;margin-left:auto;
  border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);transition:transform .25s ease;
  background-image:none;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq .accordion-body{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.78;border-top:0}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--brand-700);color:#fff;padding:64px 0}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.30) 0%,rgba(255,122,47,0) 68%);
}
.cta-band__inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.8);font-size:15.5px;max-width:620px}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.62);font-variant-numeric:tabular-nums}
.qr-box{
  width:158px;height:158px;border-radius:var(--radius-card);background:#fff;color:var(--brand-700);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  box-shadow:0 16px 34px rgba(0,0,0,.24);text-align:center;
}
.qr-box i{font-size:54px;color:var(--brand-700)}
.qr-box span{font-size:12.5px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin:16px 0 0;max-width:340px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.75);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.75)}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 移动吸底条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(42,31,73,.12);
  transform:translateY(120%);transition:transform .3s ease;
}
.sticky-bar.is-visible{transform:none}
.sticky-bar__info{font-size:13px;color:var(--text-2);line-height:1.4}
.sticky-bar__info strong{display:block;font-size:14.5px;color:var(--text);font-family:var(--font-num)}
.sticky-bar .btn{height:44px;border-radius:999px;padding:0 20px}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .header-search{max-width:360px}
  .hero-copy h1{font-size:36px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .header-search{display:none}
  .header-actions{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .header-mobile .header-search{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-side img{aspect-ratio:16/9}
  .step-bar{grid-template-columns:1fr;gap:16px}
  .step-bar__item::after{display:none}
  .media-row{grid-template-columns:1fr;gap:26px;margin-bottom:56px}
  .media-row--reverse .media-row__visual{order:0}
  .media-row--reverse .media-row__body{order:1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band__inner{grid-template-columns:1fr}
  .qr-box{width:140px;height:140px}
}
@media (max-width:767.98px){
  .site-container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:22px}
  .hero-copy h1{font-size:28px}
  .hero-copy p{font-size:15.5px}
  .page-hero{padding:38px 0 48px}
  .hero-meta{gap:20px}
  .spec-row{grid-template-columns:1fr;gap:4px;padding:14px 18px}
  .spec-card__head{padding:18px}
  .media-row__body h3{font-size:19px}
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:22px}
  .cta-btns .btn{width:100%}
  .btn-lg{padding:0 22px;font-size:15px}
  .sticky-bar{display:flex}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575.98px){
  body{font-size:15.5px}
  .hero-btns .btn{width:100%}
  .faq .accordion-button{font-size:15.5px;padding:17px 16px}
  .faq .accordion-body{padding:0 16px 18px}
  .step-bar__item{padding:20px 18px}
}

/* roulang page: category3 */
:root{
  --brand-900:#2A1F49;
  --brand-700:#3C2E63;
  --brand-500:#5B49A6;
  --brand-100:#EDEAFA;
  --accent:#FF7A2F;
  --accent-hover:#E8661A;
  --accent-100:#FFF1E7;
  --teal:#12A594;
  --teal-100:#E4F5F2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#F1EDE7;
  --line:#E4DED5;
  --line-2:#EFEAE3;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8598;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 8px rgba(42,31,73,.06);
  --shadow-2:0 12px 28px rgba(42,31,73,.12);
  --shadow-nav:0 2px 12px rgba(42,31,73,.10);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","DIN Alternate","HarmonyOS Sans SC",system-ui,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-cn);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.site-container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:var(--brand-700);box-shadow:var(--shadow-nav);transition:padding .2s ease}
.site-header.is-compact .header-top__inner{padding-top:8px;padding-bottom:8px}
.header-top{background:var(--brand-700)}
.header-top__inner{
  display:flex;align-items:center;gap:22px;
  padding-top:14px;padding-bottom:14px;
  transition:padding .2s ease;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:40px;height:40px;border-radius:11px;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 6px 16px rgba(255,122,47,.28);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{color:#fff;font-size:18px;font-weight:700;letter-spacing:.04em}
.brand__sub{color:rgba(255,255,255,.58);font-size:11px;letter-spacing:.18em;font-family:var(--font-num)}
.brand:hover .brand__name{color:var(--accent)}

.header-search{position:relative;flex:1 1 auto;max-width:520px;min-width:200px}
.header-search__icon{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:15px;pointer-events:none;
}
.header-search input{
  width:100%;height:48px;border-radius:999px;border:1px solid transparent;
  background:#fff;color:var(--text);padding:0 96px 0 46px;font-size:15px;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.header-search input::placeholder{color:var(--text-3)}
.header-search input:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,122,47,.18);
}
.header-search__btn{
  position:absolute;right:6px;top:6px;height:36px;padding:0 18px;border-radius:999px;
  background:var(--brand-700);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .18s ease,transform .18s ease;
}
.header-search__btn:hover{background:var(--brand-500);color:#fff}
.header-search__btn:active{transform:translateY(1px)}

.header-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.header-actions__link{color:rgba(255,255,255,.82);font-size:14px}
.header-actions__link:hover{color:var(--accent)}
.btn-download-top{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;
  background:var(--accent);color:#fff;font-weight:600;font-size:15px;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-download-top:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.3)}
.btn-download-top:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:11px;color:#fff;
  background:rgba(255,255,255,.12);font-size:18px;
}
.nav-toggle:hover{background:rgba(255,255,255,.2)}

.header-cats{background:#fff;border-bottom:1px solid var(--line)}
.header-cats__scroll{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;padding:10px 0;scrollbar-width:none;
}
.header-cats__scroll::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;font-size:14.5px;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;
}
.cat-pill:hover{background:var(--brand-100);color:var(--brand-700)}
.cat-pill.active{
  background:var(--brand-700);color:#fff;font-weight:600;
  box-shadow:0 6px 16px rgba(60,46,99,.22);
}
.cat-pill.active:hover{background:var(--brand-700);color:#fff}

.mobile-panel{
  display:none;background:var(--brand-900);padding:16px 0 22px;
}
.mobile-panel.open{display:block}
.mobile-panel .header-search{max-width:none;margin-bottom:14px}
.mobile-panel__links{display:flex;flex-direction:column;gap:4px}
.mobile-panel__links a{
  color:rgba(255,255,255,.86);padding:11px 14px;border-radius:10px;font-size:15px;
}
.mobile-panel__links a:hover{background:rgba(255,255,255,.1);color:#fff}
.mobile-panel__links a.active{background:var(--accent);color:#fff;font-weight:600}

/* ---------- 通用标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-head__title{font-size:28px;line-height:1.35}
.sec-head__title .dot{color:var(--accent)}
.sec-head__desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:720px}
.sec-head__more{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand-500);font-weight:600;
}
.sec-head__more:hover{color:var(--accent)}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:54px;padding:0 30px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:16.5px;font-weight:600;
  box-shadow:0 10px 24px rgba(255,122,47,.24);
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,122,47,.32)}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,47,.2)}

.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:54px;padding:0 26px;border-radius:var(--radius-btn);
  background:#fff;color:var(--brand-700);border:1px solid var(--brand-700);
  font-weight:600;font-size:15.5px;transition:all .18s ease;
}
.btn-line:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);
  font-weight:600;font-size:15px;transition:all .18s ease;
}
.btn-ghost:hover{background:#fff;color:var(--brand-700);border-color:#fff}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(rgba(42,31,73,.78),rgba(42,31,73,.82)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.cat-hero__inner{padding:56px 0 62px;position:relative;z-index:2}
.breadcrumb-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px;
}
.breadcrumb-line a{color:rgba(255,255,255,.82)}
.breadcrumb-line a:hover{color:var(--accent)}
.breadcrumb-line .sep{color:rgba(255,255,255,.4)}
.breadcrumb-line .current{color:#fff;font-weight:600}
.cat-hero h1{color:#fff;font-size:40px;line-height:1.25;max-width:820px}
.cat-hero__lead{
  margin-top:18px;max-width:700px;font-size:16.5px;color:rgba(255,255,255,.88);
}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;font-size:13.5px;
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2);
}
.hero-chip i{color:var(--accent)}

/* ---------- 版本概览 ---------- */
.section{padding:88px 0}
.section--tight{padding:72px 0}
.overview-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.overview-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
}
.overview-card h3{font-size:19px;margin-bottom:8px}
.overview-card p{color:var(--text-2);font-size:15px}
.stat-row{display:flex;flex-wrap:wrap;gap:30px;margin-top:22px}
.stat-item{min-width:120px}
.stat-item__num{font-size:26px;font-weight:700;color:var(--brand-700);font-family:var(--font-num);font-variant-numeric:tabular-nums}
.stat-item__num em{font-style:normal;font-size:14px;color:var(--text-3);margin-left:3px;font-family:var(--font-cn)}
.stat-item__label{font-size:13px;color:var(--text-3);margin-top:2px}
.overview-figure{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:var(--brand-100)}
.overview-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.overview-figure__tag{
  position:absolute;left:14px;top:14px;padding:6px 12px;border-radius:6px;
  background:var(--brand-700);color:#fff;font-size:12px;letter-spacing:.04em;
}

/* ---------- 紧凑清单 ---------- */
.compact-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.compact-item{
  display:flex;align-items:center;gap:20px;
  padding:20px 24px;border-bottom:1px solid var(--line-2);
  transition:background-color .18s ease;
}
.compact-item:last-child{border-bottom:0}
.compact-item:hover{background:var(--brand-100)}
.compact-item:hover .compact-item__title{color:var(--brand-500)}
.compact-item:hover .compact-item__arrow{background:var(--accent);color:#fff;border-color:var(--accent)}
.compact-item__num{
  flex:0 0 auto;width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--brand-700);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;font-size:15px;
}
.compact-item__body{flex:1 1 auto;min-width:0}
.compact-item__title{font-size:17.5px;font-weight:600;color:var(--text);transition:color .18s ease}
.compact-item__desc{color:var(--text-2);font-size:14.5px;margin-top:3px}
.compact-item__arrow{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--brand-700);font-size:13px;
  transition:all .18s ease;
}
.list-note{
  display:flex;align-items:center;gap:10px;margin-top:18px;
  font-size:13.5px;color:var(--text-3);
}
.list-note i{color:var(--teal)}

/* ---------- 通道对比 ---------- */
.channel-section{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.channel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.channel-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.channel-card h3{font-size:19px}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;font-size:12px;font-weight:600;
}
.badge-soft--brand{background:var(--brand-100);color:var(--brand-700)}
.badge-soft--teal{background:var(--teal-100);color:var(--teal)}
.badge-soft--accent{background:var(--accent-100);color:var(--accent-hover)}
.channel-card > p{color:var(--text-2);font-size:14.5px;margin-bottom:16px}
.spec-list{border-top:1px solid var(--line-2)}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:18px;
  padding:12px 0;border-bottom:1px solid var(--line-2);
}
.spec-row:last-child{border-bottom:0}
.spec-row__key{color:var(--text-3);font-size:14px;flex:0 0 auto}
.spec-row__val{
  color:var(--text);font-size:14.5px;text-align:right;
  font-variant-numeric:tabular-nums;
}

/* ---------- 下载区 ---------- */
.download-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;
}
.download-panel h3{font-size:20px;margin-bottom:8px}
.download-panel__desc{color:var(--text-2);font-size:15px;max-width:640px}
.download-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}
.download-sub{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}
.btn-sub{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--radius-btn);
  background:#fff;border:1px solid var(--line);color:var(--brand-700);
  font-size:14.5px;font-weight:600;transition:all .18s ease;
}
.btn-sub:hover{border-color:var(--brand-700);background:var(--brand-100);color:var(--brand-700)}
.download-meta{margin-top:18px;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:16px}
.download-meta i{color:var(--teal);margin-right:5px}
.qr-box{
  width:130px;text-align:center;
}
.qr-box__inner{
  width:130px;height:130px;border-radius:var(--radius-img);
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-700);font-size:52px;
}
.qr-box__tip{margin-top:10px;font-size:12.5px;color:var(--text-3);line-height:1.5}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--surface);border:1px solid var(--line)!important;
  border-radius:var(--radius-img)!important;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion-button{
  background:var(--surface)!important;color:var(--text)!important;
  font-size:17px;font-weight:600;padding:20px 22px;box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--brand-500)!important;background:var(--brand-100)!important}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(22%) sepia(14%) saturate(1300%) hue-rotate(215deg) brightness(95%);
}
.accordion-button:focus{outline:none;box-shadow:0 0 0 3px rgba(255,122,47,.2)!important}
.accordion-body{
  padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.75;
}
.accordion-body a{font-weight:600}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-700);border-radius:var(--radius-card);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:26px;line-height:1.4}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:620px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);color:rgba(255,255,255,.72);
  border-top:3px solid var(--accent);margin-top:88px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:58px 0 40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--accent);margin-top:5px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-hero h1{font-size:34px}
  .sec-head__title{font-size:26px}
}
@media (max-width:991.98px){
  .header-actions__link{display:none}
  .header-search{max-width:none}
  .overview-grid{grid-template-columns:1fr}
  .overview-figure img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:72px 0}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  .site-container{padding:0 16px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-top__inner{gap:12px;flex-wrap:wrap}
  .header-search{display:none}
  .brand__sub{display:none}
  .btn-download-top{display:none}
  .cat-hero__inner{padding:40px 0 46px}
  .cat-hero h1{font-size:28px}
  .cat-hero__lead{font-size:15.5px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:22px}
  .sec-head__title{font-size:22px}
  .channel-grid{grid-template-columns:1fr}
  .compact-item{gap:14px;padding:16px}
  .compact-item__desc{font-size:14px}
  .download-panel{grid-template-columns:1fr;padding:24px 20px}
  .qr-box{margin:0 auto}
  .download-actions .btn-main,.download-sub .btn-sub{width:100%}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:22px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn-main{width:100%}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .site-footer{margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 30px}
}
@media (max-width:575.98px){
  body{font-size:15.5px}
  .cat-hero h1{font-size:25px}
  .stat-row{gap:20px}
  .stat-item__num{font-size:22px}
  .compact-item__num{width:34px;height:34px;font-size:14px}
  .compact-item__arrow{width:34px;height:34px}
  .accordion-button{font-size:15.5px;padding:16px}
  .accordion-body{padding:0 16px 18px}
}