/* roulang page: index */
:root{
  --ink:#17141C;
  --ink-2:#241F2B;
  --lime:#C8F35A;
  --lime-soft:#EDFACB;
  --coral:#FF6B4A;
  --bg:#F6F1E7;
  --card:#FFFDF8;
  --line:#DED5C6;
  --text:#2B2733;
  --muted:#6F6A78;
  --white:#FFFDF8;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-sm:0 12px 30px rgba(23,20,28,.08);
  --shadow-lg:0 20px 44px rgba(23,20,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button,input,textarea,select{font-family:inherit;font-size:inherit}
::selection{background:var(--lime);color:var(--ink)}

.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:44px;line-height:1.16;font-weight:800;letter-spacing:-.02em;margin:14px 0 16px}
.section-head p{color:var(--muted);font-size:16.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--ink);background:var(--lime-soft);
  border-radius:999px;padding:6px 14px;line-height:1.6;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:none;cursor:pointer;font-weight:700;font-size:15.5px;
  padding:14px 28px;border-radius:999px;line-height:1.2;
  transition:all .25s var(--ease);min-height:48px;text-align:center}
.btn i{transition:transform .25s var(--ease);font-size:13px}
.btn-lime{background:var(--lime);color:var(--ink);border:1px solid var(--lime)}
.btn-lime:hover{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.btn-lime:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-light{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn-light:hover{background:var(--ink);color:var(--white);border-color:var(--ink)}
.btn-sm{padding:10px 20px;font-size:14px;min-height:42px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(23,20,28,.09)}
.topbar{background:var(--ink);color:rgba(255,253,248,.7);font-size:12px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:30px;gap:16px}
.topbar__tags{display:flex;align-items:center;gap:18px;white-space:nowrap;overflow:hidden}
.topbar__tags span{display:inline-flex;align-items:center;gap:6px}
.topbar__dot{width:5px;height:5px;border-radius:50%;background:var(--lime);display:inline-block}
.topbar__links{display:flex;gap:18px;white-space:nowrap}
.topbar__links a{transition:color .2s var(--ease)}
.topbar__links a:hover{color:var(--lime)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--ink)}
.brand__mark{width:22px;height:22px;border-radius:7px;background:var(--lime);position:relative;flex:none}
.brand__mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--ink)}
.main-nav{display:flex;align-items:center;gap:4px;background:rgba(255,253,248,.65);border:1px solid var(--line);border-radius:999px;padding:5px}
.main-nav a{
  display:inline-block;padding:9px 16px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:var(--muted);transition:all .22s var(--ease);position:relative;white-space:nowrap;
}
.main-nav a:hover{background:#EFE7D9;color:var(--ink)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;border-radius:2px;background:var(--lime);
}
.header__actions{display:flex;align-items:center;gap:12px}
.hamburger{
  width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:var(--card);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
  transition:all .2s var(--ease);
}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.hamburger:hover{background:var(--ink);border-color:var(--ink)}
.hamburger:hover span{background:var(--lime)}
.mobile-nav{background:var(--bg)!important;width:86vw!important;max-width:360px;border-left:1px solid var(--line)!important}
.mobile-nav .offcanvas-header{padding:22px 24px;border-bottom:1px solid var(--line)}
.mobile-nav .offcanvas-body{padding:20px 24px 120px}
.mobile-nav .m-link{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;font-size:18px;font-weight:700;border-bottom:1px solid var(--line);color:var(--ink)}
.mobile-nav .m-link.active{color:var(--ink)}
.mobile-nav .m-link.active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}
.mobile-nav .m-link:active{background:#EFE7D9}
.mobile-cta{position:absolute;left:0;right:0;bottom:0;padding:18px 24px calc(18px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line)}

/* ---------- hero ---------- */
.hero{position:relative;padding:96px 0 72px;overflow:hidden}
.hero::before{
  content:"";position:absolute;left:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,90,.28),rgba(200,243,90,0) 68%);
  pointer-events:none;
}
.hero__inner{display:grid;grid-template-columns:1.04fr .96fr;gap:60px;align-items:center;position:relative}
.hero__copy h1{font-size:66px;line-height:1.06;font-weight:800;letter-spacing:-.03em;margin:22px 0 24px}
.hero__copy h1 .hl{position:relative;display:inline-block}
.hero__copy h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:12px;border-radius:6px;
  background:var(--lime);z-index:-1;
}
.hero__lead{font-size:17.5px;color:var(--muted);max-width:560px;line-height:1.9}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__trust{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.hero__trust li{font-size:13.5px;color:var(--muted);line-height:1.5}
.hero__trust strong{display:block;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;margin-bottom:2px}
.hero__visual{position:relative;padding:12px}
.hero__bg{
  border-radius:28px;min-height:460px;background-size:cover;background-position:center;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,20,28,.06),rgba(23,20,28,.42))}
.hero__shot{
  position:absolute;right:-6px;bottom:-26px;width:62%;border-radius:18px;overflow:hidden;
  border:6px solid var(--card);box-shadow:var(--shadow-lg);background:var(--card);
}
.hero__shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero__float{
  position:absolute;left:-8px;top:34px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:14px 18px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:12px;
  max-width:245px;
}
.hero__float .dot{width:34px;height:34px;border-radius:11px;background:var(--lime);display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:14px;flex:none}
.hero__float b{display:block;font-size:14px;line-height:1.4;color:var(--ink)}
.hero__float span{font-size:12px;color:var(--muted);line-height:1.4}

/* ---------- spec bar ---------- */
.specbar{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.specbar__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.specbar__item{padding:28px 24px;border-right:1px solid var(--line)}
.specbar__item:last-child{border-right:none}
.specbar__item span{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.04em;margin-bottom:6px}
.specbar__item strong{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.specbar__item em{display:block;font-size:12.5px;color:var(--muted);font-style:normal;margin-top:4px}

/* ---------- features ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:46px 0}
.feature-row:nth-child(even) .feature-media{order:2}
.feature-num{
  font-size:14px;font-weight:800;letter-spacing:.14em;color:var(--ink);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
}
.feature-num::after{content:"";width:44px;height:2px;background:var(--lime);border-radius:2px}
.feature-row h2{font-size:38px;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.feature-row p{color:var(--muted);margin-bottom:22px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:15.5px;color:var(--text)}
.feature-list i{color:var(--ink);background:var(--lime);border-radius:50%;width:22px;height:22px;display:flex;align-items:center;justify-content:center;font-size:10px;flex:none;margin-top:5px}
.feature-media{position:relative}
.feature-media img{border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-sm);width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.feature-media:hover img{transform:translateY(-4px)}
.feature-media .tag-float{
  position:absolute;bottom:18px;left:18px;background:var(--ink);color:var(--white);
  border-radius:999px;padding:8px 16px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}

/* ---------- carousel ---------- */
.showcase{background:var(--ink);color:var(--white);border-radius:0;padding:88px 0}
.showcase .section-head h2{color:var(--white)}
.showcase .section-head p{color:rgba(255,253,248,.66)}
.showcase .eyebrow{background:rgba(200,243,90,.16);color:var(--lime)}
.showcase .eyebrow::before{background:var(--lime)}
.showcase__carousel .carousel-item .shot{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,253,248,.16);background:#221d29;
}
.showcase__carousel .shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.showcase__caption{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:22px;padding-bottom:6px}
.showcase__caption h3{font-size:21px;font-weight:700;color:var(--white);margin:0}
.showcase__caption p{color:rgba(255,253,248,.6);font-size:14.5px;margin:0;max-width:620px}
.showcase .carousel-indicators{position:static;margin:26px 0 0;justify-content:flex-start;gap:10px}
.showcase .carousel-indicators [data-bs-target]{
  width:auto;height:auto;text-indent:0;border:none;border-radius:999px;background:transparent;
  color:rgba(255,253,248,.5);font-size:13px;font-weight:700;padding:7px 15px;opacity:1;transition:all .22s var(--ease);
  border:1px solid rgba(255,253,248,.2);margin:0;
}
.showcase .carousel-indicators .active{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.showcase .carousel-control-prev,.showcase .carousel-control-next{
  width:52px;height:52px;top:auto;bottom:-82px;border-radius:50%;border:1px solid rgba(255,253,248,.24);
  opacity:1;background:transparent;transition:all .22s var(--ease);
}
.showcase .carousel-control-prev{left:0}
.showcase .carousel-control-next{left:64px;right:auto}
.showcase .carousel-control-prev:hover,.showcase .carousel-control-next:hover{background:var(--lime);border-color:var(--lime)}
.showcase .carousel-control-prev-icon,.showcase .carousel-control-next-icon{width:16px;height:16px}

/* ---------- system ---------- */
.sys-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.sys-tabs .nav-link{
  border:1px solid var(--line);border-radius:999px;padding:11px 22px;font-size:14.5px;font-weight:700;
  color:var(--muted);background:var(--card);transition:all .22s var(--ease);
}
.sys-tabs .nav-link:hover{color:var(--ink);border-color:var(--ink)}
.sys-tabs .nav-link.active{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.sys-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.sys-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px}
.sys-card h3{font-size:19px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.sys-card h3 .pill{font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--lime-soft);color:var(--ink);letter-spacing:.02em}
.sys-card--rec h3 .pill{background:var(--ink);color:var(--lime)}
.sys-card dl{margin:18px 0 0}
.sys-card dl div{display:flex;justify-content:space-between;gap:18px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.sys-card dl div:last-child{border-bottom:none}
.sys-card dt{color:var(--muted);font-weight:500}
.sys-card dd{margin:0;font-weight:700;color:var(--ink);text-align:right}

/* ---------- reviews ---------- */
.reviews{background:#F1EBDD}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.review-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm);transition:all .3s var(--ease)}
.review-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-lg)}
.review-card--lead{grid-row:span 2;background:var(--ink);color:var(--white);border-color:var(--ink)}
.review-card--lead p{color:rgba(255,253,248,.82);font-size:17px}
.review-card--lead .review-name strong{color:var(--white)}
.review-card--lead .review-name span{color:rgba(255,253,248,.55)}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.avatar{width:42px;height:42px;border-radius:13px;background:var(--lime);color:var(--ink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex:none}
.review-card--lead .avatar{background:var(--lime)}
.review-name strong{display:block;font-size:14.5px;line-height:1.4}
.review-name span{font-size:12px;color:var(--muted);line-height:1.4}
.stars{color:var(--coral);font-size:12px;letter-spacing:2px;margin-bottom:10px}
.review-card p{font-size:14.5px;color:var(--text);line-height:1.85;margin-bottom:16px}
.review-foot{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chip{font-size:11.5px;padding:4px 11px;border-radius:999px;border:1px solid var(--line);color:var(--muted);line-height:1.6}
.review-card--lead .chip{border-color:rgba(255,253,248,.24);color:rgba(255,253,248,.7)}

/* ---------- download ---------- */
.download{background:var(--ink);color:var(--white);padding:88px 0}
.download .section-head h2{color:var(--white)}
.download .section-head p{color:rgba(255,253,248,.66)}
.download .eyebrow{background:rgba(200,243,90,.16);color:var(--lime)}
.download .eyebrow::before{background:var(--lime)}
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dl-card{
  background:#221D29;border:1px solid rgba(255,253,248,.14);border-radius:var(--r-lg);padding:26px;
  display:flex;flex-direction:column;gap:14px;transition:all .3s var(--ease);
}
.dl-card:hover{transform:translateY(-4px);border-color:rgba(200,243,90,.6)}
.dl-card--main{background:var(--card);color:var(--text);border-color:var(--card)}
.dl-card--main:hover{transform:translateY(-4px)}
.dl-card h3{font-size:18px;font-weight:800;display:flex;align-items:center;gap:9px;margin:0}
.dl-card h3 i{font-size:16px;color:var(--lime)}
.dl-card--main h3 i{color:var(--ink)}
.dl-meta{font-size:13px;color:rgba(255,253,248,.6);line-height:1.7}
.dl-card--main .dl-meta{color:var(--muted)}
.qr{width:88px;height:88px;border-radius:12px;background:repeating-linear-gradient(45deg,rgba(255,253,248,.9),rgba(255,253,248,.9) 6px,rgba(255,253,248,.55) 6px,rgba(255,253,248,.55) 12px);border:1px solid rgba(255,253,248,.3)}
.dl-card--main .qr{background:repeating-linear-gradient(45deg,rgba(23,20,28,.85),rgba(23,20,28,.85) 6px,rgba(23,20,28,.4) 6px,rgba(23,20,28,.4) 12px);border-color:var(--line)}
.dl-card .btn{margin-top:auto}
.dl-note{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:32px;font-size:13px;color:rgba(255,253,248,.55)}
.dl-note span{display:inline-flex;align-items:center;gap:8px}
.dl-note i{color:var(--lime);font-size:12px}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);
  transition:all .3s var(--ease);overflow:hidden;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-lg)}
.news-card__link{display:flex;flex-direction:column;height:100%;padding:26px;gap:12px}
.news-card__link:hover .arrow{color:var(--ink)}
.news-card--wide{grid-column:span 2}
.news-card--wide .news-card__link{padding:32px}
.news-card--wide h3{font-size:24px}
.news-card h3{font-size:18px;font-weight:800;line-height:1.5;letter-spacing:-.01em;color:var(--ink);transition:color .2s var(--ease)}
.badge-tag{align-self:flex-start;font-size:12px;font-weight:700;background:var(--lime-soft);color:var(--ink);border-radius:999px;padding:4px 13px;line-height:1.7}
.news-card p{font-size:14.5px;color:var(--muted);line-height:1.8;flex:1}
.news-card__meta{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line)}
.arrow{font-weight:700;color:var(--muted);transition:all .2s var(--ease)}
.news-card:hover .arrow{color:var(--ink);transform:translateX(3px)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--line);
  border-radius:var(--r-lg);background:var(--card);color:var(--muted);
}
.empty-state i{font-size:26px;color:var(--line);display:block;margin-bottom:14px}
.empty-state a{color:var(--ink);font-weight:700;border-bottom:2px solid var(--lime);padding-bottom:1px}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.accordion-item{border:1px solid var(--line)!important;border-radius:var(--r-md)!important;margin-bottom:14px;background:var(--card);overflow:hidden}
.accordion-button{
  background:var(--card);color:var(--ink);font-weight:700;font-size:16.5px;line-height:1.6;
  padding:20px 24px;box-shadow:none!important;border:none;
  border-left:4px solid transparent;transition:all .22s var(--ease);
}
.accordion-button:not(.collapsed){background:var(--card);color:var(--ink);border-left-color:var(--lime)}
.accordion-button::after{display:none}
.accordion-button .pm{position:relative;width:22px;height:22px;flex:none;margin-left:auto}
.accordion-button .pm::before,.accordion-button .pm::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:all .25s var(--ease);
}
.accordion-button .pm::before{left:0;top:10px;width:22px;height:2px}
.accordion-button .pm::after{left:10px;top:0;width:2px;height:22px}
.accordion-button:not(.collapsed) .pm::after{transform:rotate(90deg);opacity:0}
.accordion-body{padding:0 24px 24px 28px;color:var(--muted);font-size:15px;line-height:1.9}

/* ---------- final cta ---------- */
.final{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.final__inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.final__inner h2{font-size:40px;font-weight:800;line-height:1.2;letter-spacing:-.02em;margin:16px 0 18px}
.final__inner p{color:var(--muted);margin-bottom:28px}
.final__actions{display:flex;flex-wrap:wrap;gap:14px}
.form-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field input,.field textarea{
  width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;background:var(--card);
  padding:12px 15px;color:var(--text);font-size:15px;transition:all .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.75}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,243,90,.35)}
.field input::placeholder,.field textarea::placeholder{color:#A49E94}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,253,248,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.footer-brand .brand{color:var(--white);font-size:20px;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,253,248,.6);max-width:320px}
.footer-col h4{font-size:14px;font-weight:800;color:var(--white);letter-spacing:.04em;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,253,248,.66);transition:all .2s var(--ease);border-bottom:1px solid transparent;padding-bottom:1px}
.footer-col a:hover{color:var(--white);border-bottom-color:var(--lime)}
.footer-qr{width:92px;height:92px;border-radius:12px;border:1px solid rgba(255,253,248,.24);background:repeating-linear-gradient(45deg,rgba(255,253,248,.85),rgba(255,253,248,.85) 6px,rgba(255,253,248,.35) 6px,rgba(255,253,248,.35) 12px);margin-bottom:12px}
.footer-bottom{border-top:1px solid rgba(255,253,248,.14);padding:22px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(255,253,248,.45)}
.footer-bottom a{color:rgba(255,253,248,.6)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  background:var(--card);border-top:1px solid var(--line);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  box-shadow:0 -8px 24px rgba(23,20,28,.1);
  transform:translateY(110%);transition:transform .3s var(--ease);
  align-items:center;gap:12px;
}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar .mb-copy{flex:1;font-size:12.5px;color:var(--muted);line-height:1.5}
.mobile-bar .mb-copy b{display:block;font-size:14px;color:var(--ink)}
.mobile-bar .btn{padding:11px 20px;font-size:14px;min-height:44px}
.mobile-bar .mb-close{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:13px;cursor:pointer;flex:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero__copy h1{font-size:52px}
  .section-head h2{font-size:38px}
  .hero__inner{gap:40px}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .review-card--lead{grid-row:span 1}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .hero{padding:64px 0 56px}
  .hero__inner{grid-template-columns:1fr;gap:48px}
  .hero__copy h1{font-size:44px}
  .hero__lead{max-width:100%}
  .hero__bg{min-height:320px}
  .hero__shot{width:56%;right:8px;bottom:-18px}
  .hero__float{left:8px;top:16px}
  .specbar__grid{grid-template-columns:repeat(2,1fr)}
  .specbar__item:nth-child(2){border-right:none}
  .specbar__item:nth-child(1),.specbar__item:nth-child(2){border-bottom:1px solid var(--line)}
  .feature-row{grid-template-columns:1fr;gap:32px;padding:36px 0}
  .feature-row:nth-child(even) .feature-media{order:0}
  .feature-row h2{font-size:30px}
  .sys-panel{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--wide{grid-column:span 2}
  .final__inner{grid-template-columns:1fr;gap:36px}
  .final__inner h2{font-size:32px}
  .showcase .carousel-control-prev,.showcase .carousel-control-next{bottom:-72px}
  .mobile-bar{display:flex}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:28px}
  .hero__copy h1{font-size:36px;line-height:1.12}
  .hero__copy h1 .hl::after{height:8px;bottom:3px}
  .hero__lead{font-size:16px}
  .hero__actions .btn{width:100%}
  .hero__trust{gap:14px 24px}
  .hero__trust strong{font-size:16.5px}
  .hero__shot{width:58%;border-width:4px}
  .hero__float{max-width:200px;padding:10px 12px}
  .hero__float b{font-size:12.5px}
  .hero__float span{font-size:11px}
  .specbar__item{padding:20px 18px}
  .specbar__item strong{font-size:17px}
  .dl-grid,.review-grid,.news-grid{grid-template-columns:1fr}
  .news-card--wide{grid-column:span 1}
  .news-card--wide .news-card__link{padding:24px}
  .news-card--wide h3{font-size:19px}
  .feature-row h2{font-size:26px}
  .sys-card{padding:22px}
  .sys-card dl div{flex-direction:column;gap:2px}
  .sys-card dd{text-align:left}
  .showcase{padding:56px 0}
  .download{padding:56px 0}
  .showcase .carousel-control-prev,.showcase .carousel-control-next{position:static;display:inline-flex;margin-top:18px}
  .showcase .carousel-control-prev{margin-right:12px}
  .showcase__caption{margin-top:16px}
  .showcase .carousel-indicators{margin-top:18px}
  .final__inner h2{font-size:27px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding-bottom:40px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;gap:8px;padding-bottom:96px}
  .accordion-button{font-size:15.5px;padding:17px 18px}
  .accordion-body{padding:0 18px 20px 22px}
  .review-card{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --ink:#17141C;
  --ink-2:#2B2733;
  --lime:#C8F35A;
  --lime-soft:#EEFBCB;
  --coral:#FF6B4A;
  --bg:#F6F1E7;
  --cream:#F1E9DA;
  --card:#FFFDF8;
  --white:#FFFDF8;
  --line:#DED5C6;
  --muted:#6F6A78;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-sm:0 12px 30px rgba(23,20,28,.08);
  --shadow-md:0 20px 44px rgba(23,20,28,.12);
  --gap:24px;
  --sec:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .24s ease-out, text-decoration-color .24s ease-out}
a:hover{color:var(--ink)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.topbar{
  background:var(--bg);
  border-bottom:1px solid rgba(222,213,198,.5);
  font-size:12px;
  color:var(--muted);
}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:28px;gap:12px;flex-wrap:wrap;
}
.topbar__left{display:flex;align-items:center;gap:8px;letter-spacing:.2px}
.topbar__left .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,243,90,.28)}
.topbar__right{display:flex;align-items:center;gap:8px}
.topbar__right a{color:var(--muted)}
.topbar__right a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,241,231,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out,background .25s ease-out;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(23,20,28,.09)}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:76px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:22px;height:22px;border-radius:7px;
  background:var(--lime);
  box-shadow:inset 0 0 0 4px rgba(23,20,28,.9);
}
.brand__text{font-size:19px;font-weight:800;letter-spacing:-.4px;color:var(--ink)}
.main-nav{
  display:flex;align-items:center;gap:4px;
  background:rgba(255,253,248,.7);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:6px;
}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:8px 15px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:var(--radius-pill);
  white-space:nowrap;
  transition:background .22s ease-out,color .22s ease-out;
}
.main-nav a:hover{background:var(--cream);color:var(--ink)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;
  height:2px;border-radius:2px;background:var(--lime);
}
.header__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-lime,.btn-ink,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  font-size:15px;font-weight:700;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .24s ease-out,color .24s ease-out,border-color .24s ease-out,transform .24s ease-out,box-shadow .24s ease-out;
}
.btn-lime{background:var(--lime);color:var(--ink);box-shadow:0 10px 22px rgba(200,243,90,.35)}
.btn-lime:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ink{background:var(--ink);color:var(--white)}
.btn-ink:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);background:var(--card);
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out}
.nav-drawer{width:86vw;max-width:360px;background:var(--bg);border-left:1px solid var(--line)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.nav-drawer .offcanvas-body{padding:18px 22px 24px;display:flex;flex-direction:column;height:100%}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-links a{
  font-size:18px;font-weight:600;color:var(--ink);
  padding:13px 2px;border-bottom:1px dashed var(--line);
}
.drawer-links a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:3px;text-underline-offset:6px}
.drawer-cta{margin-top:auto}

.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:26px 0 0;font-size:13px;color:var(--muted);
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.crumbs .sep{color:#B9B0A0}
.crumbs .current{color:var(--ink);font-weight:600}

.article-hero{padding:26px 0 36px}
.hero-inner{max-width:900px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.2px;
}
.pill--cat{background:var(--lime-soft);color:#3C4A12;border:1px solid rgba(200,243,90,.9)}
.pill--dark{background:var(--ink);color:var(--white)}
.pill--line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.article-hero h1{
  margin:18px 0 0;
  font-size:56px;line-height:1.1;letter-spacing:-1.2px;font-weight:800;color:var(--ink);
}
.meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;
  font-size:13.5px;color:var(--muted);
}
.meta__item{display:inline-flex;align-items:center;gap:7px}
.meta__item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.lede{
  margin:20px 0 0;font-size:17px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-section{padding:6px 0 var(--sec)}
.cover{
  margin:0 0 32px;border-radius:var(--radius-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--card);
  aspect-ratio:16/9;
}
.cover img{width:100%;height:100%;object-fit:cover}
.article-body{
  max-width:760px;
  font-size:17px;line-height:1.95;color:var(--ink-2);
  overflow-wrap:break-word;
}
.article-body h2{
  margin:44px 0 16px;padding-left:14px;
  font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);
  border-left:4px solid var(--lime);
}
.article-body h3{margin:32px 0 12px;font-size:21px;line-height:1.45;font-weight:700;color:var(--ink)}
.article-body h4{margin:24px 0 10px;font-size:18px;font-weight:700;color:var(--ink)}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body li{margin-bottom:10px}
.article-body a{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px}
.article-body a:hover{text-decoration-thickness:3px}
.article-body img{border-radius:14px;margin:22px 0;border:1px solid var(--line)}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;
  background:var(--cream);border-left:4px solid var(--coral);
  border-radius:0 14px 14px 0;color:var(--ink);
  font-size:16.5px;
}
.article-body code{
  background:var(--cream);padding:2px 7px;border-radius:6px;
  font-size:14.5px;color:var(--ink);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;
  font-size:15px;display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--cream);color:var(--ink);font-weight:700}
.article-body figure{margin:22px 0}
.article-body figcaption{margin-top:8px;font-size:13px;color:var(--muted);text-align:center}
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state h2{font-size:24px;margin:0 0 12px;color:var(--ink);border:0;padding:0}
.empty-state p{margin:0 0 22px;color:var(--muted);font-size:15.5px}

.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.tag{
  padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--card);
  font-size:13px;color:var(--muted);
}
.tag:hover{border-color:var(--lime);color:var(--ink)}

.side-sticky{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);
}
.side-card h3{margin:0 0 8px;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.side-card p{margin:0 0 16px;font-size:14px;line-height:1.75;color:var(--muted)}
.side-card--dl{background:linear-gradient(180deg,#FFFDF8 0%,#FBF6EA 100%)}
.dl-specs{list-style:none;margin:0 0 18px;padding:0}
.dl-specs li{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0;border-bottom:1px dashed var(--line);
  font-size:13.5px;color:var(--muted);
}
.dl-specs li:last-child{border-bottom:0}
.dl-specs strong{color:var(--ink);font-weight:700}
.side-link{display:block;margin-top:12px;font-size:13.5px;color:var(--muted)}
.side-link:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.6}
.side-list a:hover{text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.side-list span{display:block;margin-top:4px;font-size:12.5px;color:var(--muted);font-weight:400}

.related{padding:0 0 var(--sec)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{margin:0;font-size:36px;line-height:1.15;letter-spacing:-.8px;font-weight:800;color:var(--ink)}
.sec-head p{margin:8px 0 0;color:var(--muted);font-size:15px}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .26s ease-out,box-shadow .26s ease-out,border-color .26s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--lime)}
.card__thumb{aspect-ratio:16/10;overflow:hidden;background:var(--cream)}
.card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card__thumb img{transform:scale(1.03)}
.card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{margin:0;font-size:19px;line-height:1.45;font-weight:700;color:var(--ink)}
.card__body p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.card__date{font-size:12.5px;color:var(--muted)}
.arrow{font-size:14px;font-weight:700;color:var(--ink);transition:transform .24s ease-out}
.card:hover .arrow{transform:translateX(4px)}

.cta-band{padding:0 0 var(--sec)}
.cta-box{
  background:var(--ink);color:var(--white);
  border-radius:26px;padding:56px 44px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
  box-shadow:var(--shadow-md);
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,90,.22),transparent 68%);
}
.cta-box h2{margin:0 0 14px;font-size:38px;line-height:1.15;letter-spacing:-.8px;font-weight:800;color:var(--white)}
.cta-box p{margin:0;color:rgba(255,253,248,.76);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.cta-actions .btn-ghost{border-color:rgba(255,253,248,.6);color:var(--white)}
.cta-actions .btn-ghost:hover{background:var(--white);color:var(--ink)}

.site-footer{background:var(--ink);color:rgba(255,253,248,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .brand__text{color:var(--white)}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.85;max-width:340px;color:rgba(255,253,248,.62)}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:700;color:var(--white);letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,253,248,.68)}
.footer-col a:hover{color:var(--white);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.footer-qr{
  width:86px;height:86px;border-radius:12px;
  background:rgba(255,253,248,.1);border:1px solid rgba(255,253,248,.2);
  margin-bottom:16px;
  background-image:linear-gradient(45deg,rgba(200,243,90,.28) 25%,transparent 25%,transparent 50%,rgba(200,243,90,.28) 50%,rgba(200,243,90,.28) 75%,transparent 75%);
  background-size:14px 14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,253,248,.16);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,253,248,.5);
}
@media (max-width:1199.98px){
  .article-hero h1{font-size:46px}
  .sec-head h2{font-size:32px}
  .cta-box{grid-template-columns:1fr;padding:44px 32px}
  .cta-box h2{font-size:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  :root{--sec:72px}
  .article-hero h1{font-size:40px;letter-spacing:-.8px}
  .side-sticky{position:static;margin-top:8px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .article-body{max-width:none}
}
@media (max-width:767.98px){
  :root{--sec:56px}
  .topbar__right{display:none}
  .header__inner{min-height:66px}
  .brand__text{font-size:17px}
  .article-hero{padding:20px 0 28px}
  .article-hero h1{font-size:32px;line-height:1.18;letter-spacing:-.5px}
  .lede{font-size:15.5px}
  .sec-head h2{font-size:26px}
  .cta-box{padding:34px 24px;border-radius:20px}
  .cta-box h2{font-size:26px}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%}
  .article-body h2{font-size:23px;margin-top:34px}
  .article-body h3{font-size:19px}
  .article-body{font-size:16.5px;line-height:1.9}
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .btn-lime,.btn-ink,.btn-ghost{min-height:48px}
}
@media (max-width:519.98px){
  .wrap{padding:0 18px}
  .article-hero h1{font-size:28px}
  .meta{font-size:12.5px;gap:8px 16px}
  .side-card{padding:20px}
  .card__body{padding:18px 20px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#17141C;
  --lime:#C8F35A;
  --coral:#FF6B4A;
  --bg:#F6F1E7;
  --bg-deep:#EFE8DA;
  --card:#FFFDF8;
  --line:#DED5C6;
  --text:#2B2733;
  --muted:#6F6A78;
  --on-dark:#FFFDF8;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 12px 30px rgba(23,20,28,.08);
  --shadow-hover:0 20px 44px rgba(23,20,28,.12);
  --wrap:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.3px;line-height:1.18}
h1{font-size:clamp(30px,4.2vw,54px);line-height:1.12}
h2{font-size:clamp(26px,3vw,38px)}
h3{font-size:20px;line-height:1.4}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary,.btn-primary:focus{
  background:var(--lime);border-color:var(--lime);color:var(--ink);
  box-shadow:0 8px 18px rgba(200,243,90,.32);
}
.btn-primary:hover{background:var(--ink);border-color:var(--ink);color:var(--lime);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px}
.on-dark .btn-ghost{border-color:rgba(255,253,248,.55);color:var(--on-dark)}
.on-dark .btn-ghost:hover{background:var(--on-dark);border-color:var(--on-dark);color:var(--ink)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(23,20,28,.1)}
.topbar{background:var(--bg-deep);border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:30px;flex-wrap:wrap}
.topbar__left,.topbar__right{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.topbar__left .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,243,90,.28);display:inline-block}
.topbar a{color:var(--muted);border-bottom:1px solid transparent;padding-bottom:1px}
.topbar a:hover{color:var(--ink);border-bottom-color:var(--lime)}
.topbar__sep{width:1px;height:11px;background:var(--line);display:inline-block}
.navwrap__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.4px;color:var(--ink);white-space:nowrap}
.brand__mark{width:20px;height:20px;border-radius:6px;background:var(--lime);position:relative;flex:none;box-shadow:0 0 0 1px rgba(23,20,28,.12)}
.brand__mark::after{content:"";position:absolute;inset:6px;background:var(--ink);border-radius:2px}
.brand:hover .brand__mark{background:var(--ink)}
.brand:hover .brand__mark::after{background:var(--lime)}
.main-nav{display:flex;align-items:center;gap:2px;padding:5px;border:1px solid var(--line);border-radius:999px;background:rgba(255,253,248,.72)}
.main-nav a{position:relative;padding:8px 16px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink);transition:background-color .2s var(--ease),color .2s var(--ease)}
.main-nav a:hover{background:#EDE6D8}
.main-nav a.active{background:rgba(200,243,90,.34)}
.main-nav a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;border-radius:2px;background:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:12px}
.hamburger{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--card);display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;transition:border-color .2s var(--ease),background-color .2s var(--ease)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.hamburger:hover{border-color:var(--ink);background:rgba(200,243,90,.24)}

/* 移动端抽屉 */
.offcanvas{background:var(--bg);width:86vw;max-width:390px}
.offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--line)}
.offcanvas-body{padding:12px 20px}
.m-link{display:flex;align-items:center;justify-content:space-between;min-height:52px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line)}
.m-link:hover{color:var(--ink)}
.m-link.active{color:var(--ink)}
.m-link.active::after{content:"当前";font-size:12px;font-weight:700;color:var(--ink);background:var(--lime);border-radius:999px;padding:2px 10px;line-height:1.8}
.offcanvas-foot{margin-top:auto;padding:16px 20px calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--line);position:sticky;bottom:0;background:var(--bg)}
.close-x{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:var(--card);position:relative;cursor:pointer}
.close-x::before,.close-x::after{content:"";position:absolute;left:50%;top:50%;width:16px;height:2px;border-radius:2px;background:var(--ink)}
.close-x::before{transform:translate(-50%,-50%) rotate(45deg)}
.close-x::after{transform:translate(-50%,-50%) rotate(-45deg)}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;
  padding:52px 0 64px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(102deg,rgba(246,241,231,.97) 0%,rgba(246,241,231,.93) 46%,rgba(246,241,231,.82) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--muted);border-bottom:1px solid transparent}
.crumbs a:hover{color:var(--ink);border-bottom-color:var(--lime)}
.crumbs .cur{color:var(--ink);font-weight:600}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;background:rgba(200,243,90,.42);color:#2B2733;font-size:12.5px;font-weight:800;letter-spacing:.4px}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink)}
.page-hero h1{margin:18px 0 0;max-width:940px}
.lede{margin-top:18px;max-width:760px;font-size:17px;line-height:1.95;color:#4A4552}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px}
.stat{background:rgba(255,253,248,.86);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.stat b{display:block;font-size:19px;line-height:1.3;color:var(--ink);font-weight:800}
.stat span{display:block;font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:2px}

/* ---------- 板块基础 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--deep{background:var(--bg-deep)}
[id]{scroll-margin-top:120px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{max-width:760px}
.sec-head p{margin-top:10px;color:var(--muted);font-size:15.5px;max-width:680px}
.sec-note{font-size:13.5px;color:var(--muted);white-space:nowrap}

/* ---------- 精选卡片 ---------- */
.featured-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:24px;align-items:stretch}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--lime)}
.feature-card{display:flex;flex-direction:column;height:100%}
.feature-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep)}
.feature-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.feature-card:hover .feature-card__media img{transform:scale(1.03)}
.feature-card__body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.feature-card__body h3{font-size:clamp(21px,2.2vw,27px);line-height:1.32}
.feature-card__body p{color:var(--muted);font-size:15.5px}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:rgba(200,243,90,.42);color:var(--ink);line-height:1.7}
.tag--ink{background:var(--ink);color:var(--on-dark)}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:600}
.meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);align-items:center}
.meta .sep{width:1px;height:11px;background:var(--line)}
.point-list{display:grid;gap:8px;margin-top:4px}
.point-list li{position:relative;padding-left:18px;font-size:14.5px;color:#4A4552;line-height:1.85}
.point-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--lime);box-shadow:0 0 0 1px rgba(23,20,28,.12)}
.mini-stack{display:flex;flex-direction:column;gap:24px;height:100%}
.mini-card{display:flex;gap:18px;padding:18px;flex:1;align-items:stretch}
.mini-card__media{flex:none;width:132px;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-deep)}
.mini-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.mini-card:hover .mini-card__media img{transform:scale(1.04)}
.mini-card__body{display:flex;flex-direction:column;gap:8px;min-width:0}
.mini-card__body h3{font-size:17.5px;line-height:1.42}
.mini-card__body p{font-size:14px;color:var(--muted);line-height:1.8}
.mini-card .meta{font-size:12.5px}

/* ---------- 节奏时间线 ---------- */
.routine-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.routine-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 22px 24px;position:relative;overflow:hidden;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)}
.routine-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--lime)}
.routine-card__bar{height:4px;border-radius:999px;background:var(--line);margin-bottom:18px;overflow:hidden}
.routine-card__bar i{display:block;height:100%;border-radius:999px;background:var(--lime);width:0;transition:width .6s var(--ease)}
.routine-card:nth-child(1) .routine-card__bar i{width:34%}
.routine-card:nth-child(2) .routine-card__bar i{width:52%}
.routine-card:nth-child(3) .routine-card__bar i{width:74%}
.routine-card:nth-child(4) .routine-card__bar i{width:92%}
.routine-card__day{font-size:12.5px;font-weight:800;letter-spacing:1px;color:var(--muted)}
.routine-card h3{font-size:18px;margin:8px 0 8px}
.routine-card p{font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- 看点列表 ---------- */
.topic{border-top:1px solid var(--line)}
.topic:last-child{border-bottom:1px solid var(--line)}
.topic__row{display:grid;grid-template-columns:72px 1fr auto;gap:22px;align-items:start;padding:26px 4px;transition:background-color .25s var(--ease)}
.topic__row:hover{background:rgba(255,253,248,.7)}
.topic__num{font-size:24px;font-weight:800;color:#C9C0B0;letter-spacing:-1px;font-variant-numeric:tabular-nums;line-height:1.2}
.topic__row:hover .topic__num{color:var(--ink)}
.topic__body h3{font-size:19px}
.topic__body p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.85;max-width:720px}
.topic__tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;padding-top:4px}

/* ---------- 标签云 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:13.5px;font-weight:600;color:var(--ink);transition:border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease)}
.chip:hover{border-color:var(--lime);background:rgba(200,243,90,.26);transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion{
  --bs-accordion-color:var(--text);
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-width:1px;
  --bs-accordion-border-radius:var(--r-md);
  --bs-accordion-inner-border-radius:14px;
  --bs-accordion-btn-padding-x:22px;
  --bs-accordion-btn-padding-y:20px;
  --bs-accordion-body-padding-x:22px;
  --bs-accordion-body-padding-y:20px;
  --bs-accordion-btn-color:var(--ink);
  --bs-accordion-btn-bg:var(--card);
  --bs-accordion-active-color:var(--ink);
  --bs-accordion-active-bg:rgba(200,243,90,.16);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-icon-width:0;
}
.accordion-item{background:var(--card);border-radius:var(--r-md);overflow:hidden;margin-bottom:14px;box-shadow:var(--shadow)}
.accordion-header{margin:0}
.accordion-button{
  position:relative;font-size:17px;font-weight:700;line-height:1.55;
  padding:20px 58px 20px 22px;border-radius:var(--r-md)!important;
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.accordion-button:not(.collapsed){box-shadow:inset 4px 0 0 var(--lime)}
.accordion-button::before{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--ink);transform:translateY(-50%);
}
.accordion-button::after{
  content:"";position:absolute;right:30px;top:50%;width:2px;height:14px;border-radius:2px;
  background:var(--ink);transform:translateY(-50%);background-image:none;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.accordion-button:focus{box-shadow:inset 0 0 0 2px var(--lime)}
.accordion-body{padding:0 22px 22px;color:#4A4552;font-size:15px;line-height:1.95}
.accordion-body p+p{margin-top:10px}

/* ---------- 深色 CTA ---------- */
.cta-band{position:relative;background:var(--ink);color:rgba(255,253,248,.82);border-radius:24px;padding:56px;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,253,248,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,253,248,.05) 1px,transparent 1px);
  background-size:36px 36px;
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.5fr .9fr;gap:40px;align-items:center}
.cta-band .kicker{background:rgba(200,243,90,.2);color:var(--lime)}
.cta-band .kicker::before{background:var(--lime)}
.cta-band h2{color:var(--on-dark);margin-top:16px;max-width:620px}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.95;color:rgba(255,253,248,.74);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-panel{background:rgba(255,253,248,.08);border:1px solid rgba(255,253,248,.18);border-radius:18px;padding:24px;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}
.qr{width:132px;height:132px;border-radius:14px;background:var(--on-dark);position:relative;overflow:hidden}
.qr::before{
  content:"";position:absolute;inset:12px;
  background-image:repeating-conic-gradient(var(--ink) 0 25%,transparent 0 50%);
  background-size:12px 12px;opacity:.9;
}
.qr::after{content:"";position:absolute;left:50%;top:50%;width:30px;height:30px;transform:translate(-50%,-50%);background:var(--lime);border-radius:6px;border:3px solid var(--on-dark)}
.qr-label{font-size:13px;color:rgba(255,253,248,.72)}
.ver-list{display:grid;gap:6px;width:100%;font-size:13px;color:rgba(255,253,248,.8)}
.ver-list div{display:flex;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,253,248,.14);padding-top:6px}
.ver-list div:first-child{border-top:0;padding-top:0}
.ver-list span:first-child{color:rgba(255,253,248,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,253,248,.76);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.15fr;gap:40px}
.footer-brand .brand{color:var(--on-dark);font-size:20px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.95;color:rgba(255,253,248,.66);max-width:36ch}
.footer-col h4{font-size:14px;color:var(--on-dark);letter-spacing:.6px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,253,248,.72);font-size:14px;border-bottom:1px solid transparent;padding-bottom:1px}
.footer-col a:hover{color:var(--on-dark);border-bottom-color:var(--lime)}
.footer-qr{width:86px;height:86px;border-radius:10px;background:rgba(255,253,248,.1);border:1px dashed rgba(255,253,248,.32);margin-bottom:18px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,253,248,.16);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,253,248,.56)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-stats{grid-template-columns:repeat(4,1fr)}
  .main-nav a{padding:8px 12px;font-size:14px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .page-hero{padding:40px 0 52px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .featured-grid{grid-template-columns:1fr}
  .routine-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .topic__row{grid-template-columns:56px 1fr;gap:16px}
  .topic__tags{grid-column:2;justify-content:flex-start;padding-top:0}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .page-hero{padding:32px 0 44px}
  .lede{font-size:16px;line-height:1.9}
  .hero-actions .btn{flex:1 1 auto}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:10px;margin-top:28px}
  .sec-head{margin-bottom:26px}
  .sec-head .sec-note{white-space:normal}
  .feature-card__body{padding:20px}
  .mini-card{flex-direction:column;gap:14px}
  .mini-card__media{width:100%;aspect-ratio:16/9}
  .routine-grid{grid-template-columns:1fr}
  .topic__row{grid-template-columns:1fr;gap:8px;padding:22px 0}
  .topic__num{font-size:20px}
  .topic__tags{grid-column:1}
  .cta-band{padding:28px 22px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .cta-panel{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding:56px 0 24px}
  .footer-bottom{margin-top:34px;flex-direction:column;gap:6px}
  .accordion-button{font-size:16px;padding:18px 52px 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink:#17141C;
  --lime:#C8F35A;
  --coral:#FF6B4A;
  --bg:#F6F1E7;
  --card:#FFFDF8;
  --line:#DED5C6;
  --text:#2B2733;
  --muted:#6F6A78;
  --white:#FFFDF8;
  --r-lg:20px;
  --r-md:16px;
  --r-pill:999px;
  --sh:0 12px 30px rgba(23,20,28,.08);
  --sh-h:0 20px 44px rgba(23,20,28,.12);
  --sp:8px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .22s ease-out,background-color .22s ease-out;}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.15;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--muted);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}

/* ---------- buttons ---------- */
.btn-lime,.btn-ghost,.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1.2;border:1px solid transparent;
  transition:background-color .25s ease-out,color .25s ease-out,border-color .25s ease-out,transform .25s ease-out,box-shadow .25s ease-out;
  cursor:pointer;
}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-lime:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh);}
.btn-lime .arrow{transition:transform .25s ease-out;}
.btn-lime:hover .arrow{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--white);transform:translateY(-2px);}
.btn-ink{background:var(--ink);color:var(--white);border-color:var(--ink);}
.btn-ink:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);transform:translateY(-2px);}
.btn-on-dark{background:transparent;color:var(--white);border-color:rgba(255,253,248,.45);}
.btn-on-dark:hover{background:var(--white);color:var(--ink);border-color:var(--white);}
.btn-lime:active,.btn-ghost:active,.btn-ink:active{transform:translateY(0);}

/* ---------- badges / tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:rgba(200,243,90,.28);color:var(--ink);
}
.tag--ink{background:var(--ink);color:var(--white);}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:500;}
.tag--coral{background:rgba(255,107,74,.14);color:#B33F22;}

/* ---------- topbar & header ---------- */
.topbar{background:var(--ink);color:rgba(255,253,248,.72);font-size:12px;letter-spacing:.04em;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:28px;height:28px;}
.topbar-links{display:flex;align-items:center;gap:20px;}
.topbar a{color:rgba(255,253,248,.72);}
.topbar a:hover{color:var(--lime);}

.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,241,231,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(23,20,28,.08);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:76px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand__mark{
  width:26px;height:26px;border-radius:8px;background:var(--lime);
  box-shadow:inset 0 0 0 1px rgba(23,20,28,.12);flex:none;position:relative;
}
.brand__mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;background:var(--ink);
}
.brand__text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--text);
}
.main-nav a:hover{background:rgba(23,20,28,.05);color:var(--ink);}
.main-nav a.active{color:var(--ink);}
.main-nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-cta{display:flex;align-items:center;gap:10px;flex:none;}
.header-cta .btn-lime{min-height:44px;padding:10px 24px;}
.nav-toggle{
  width:44px;height:44px;display:none;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.offcanvas.mobile-drawer{background:var(--bg);width:86vw;max-width:360px;border-left:1px solid var(--line);}
.mobile-drawer .offcanvas-header{padding:20px 20px 12px;border-bottom:1px solid var(--line);}
.mobile-drawer .offcanvas-body{padding:12px 20px 24px;display:flex;flex-direction:column;gap:2px;}
.mobile-drawer .drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-link.active{color:var(--ink);}
.mobile-drawer .drawer-link.active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);}
.mobile-drawer .drawer-cta{margin-top:24px;}
.mobile-drawer .drawer-cta .btn-lime{width:100%;}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);box-shadow:inset 0 -2px 0 var(--lime);}
.crumb .sep{color:var(--line);}
.crumb .cur{color:var(--ink);font-weight:600;}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:56px 0 72px;border-bottom:1px solid var(--line);}
.cat-hero__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.14;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 82% 0%,rgba(200,243,90,.22),transparent 58%);
}
.cat-hero .wrap{position:relative;z-index:2;}
.cat-hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;margin-top:26px;}
.cat-hero h1{
  font-size:64px;font-weight:800;line-height:1.08;letter-spacing:-.02em;margin:18px 0 20px;
}
.cat-hero h1 em{font-style:normal;position:relative;white-space:nowrap;}
.cat-hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:var(--lime);z-index:-1;border-radius:4px;
}
.cat-hero__lead{font-size:17px;color:var(--muted);max-width:560px;line-height:1.9;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cat-hero__meta{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
.cat-hero__meta div strong{display:block;font-size:22px;font-weight:800;color:var(--ink);line-height:1.3;}
.cat-hero__meta div span{font-size:12.5px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual__img{
  border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);
  aspect-ratio:4/3;background:var(--card);
}
.hero-visual__img img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);padding:14px 18px;max-width:250px;
}
.hero-float strong{display:block;font-size:14px;color:var(--ink);margin-bottom:2px;}
.hero-float span{font-size:12.5px;color:var(--muted);}

/* ---------- spec strip ---------- */
.spec-strip{background:var(--card);border-bottom:1px solid var(--line);}
.spec-strip__grid{display:grid;grid-template-columns:repeat(4,1fr);}
.spec-item{padding:24px 24px;border-right:1px solid var(--line);}
.spec-item:last-child{border-right:0;}
.spec-item .k{font-size:12.5px;color:var(--muted);letter-spacing:.04em;}
.spec-item .v{font-size:17px;font-weight:700;color:var(--ink);margin-top:4px;}

/* ---------- generic blocks ---------- */
.section-head{max-width:720px;}
.section-head h2{font-size:44px;line-height:1.14;margin:14px 0 16px;}
.section-head p{color:var(--muted);font-size:16.5px;}

/* alternating feature rows */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-top:1px solid var(--line);
}
.feature-row:first-of-type{border-top:0;padding-top:8px;}
.feature-row.reverse .feature-media{order:-1;}
.feature-num{
  font-size:52px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px rgba(23,20,28,.28);letter-spacing:-.02em;
}
.feature-row h3{font-size:28px;margin:12px 0 14px;}
.feature-row p{color:var(--muted);font-size:16.5px;}
.feature-list{margin-top:20px;display:grid;gap:10px;}
.feature-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--text);}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:12px;border-radius:4px;
  background:rgba(200,243,90,.55);border:1px solid rgba(23,20,28,.14);
}
.feature-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);aspect-ratio:16/11;background:var(--card);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.feature-media:hover img{transform:scale(1.03);}

/* ---------- steps ---------- */
.steps-band{background:var(--ink);color:var(--white);border-radius:28px;padding:56px 48px;position:relative;overflow:hidden;}
.steps-band::before{
  content:"";position:absolute;right:-80px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,90,.28),transparent 68%);
}
.steps-band .section-head h2,.steps-band h3{color:var(--white);}
.steps-band .section-head p{color:rgba(255,253,248,.72);}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px;position:relative;z-index:2;}
.step-card{
  background:rgba(255,253,248,.05);border:1px solid rgba(255,253,248,.16);
  border-radius:var(--r-md);padding:26px 22px;transition:transform .25s ease-out,background-color .25s ease-out,border-color .25s ease-out;
}
.step-card:hover{transform:translateY(-4px);background:rgba(255,253,248,.09);border-color:rgba(200,243,90,.55);}
.step-card .no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--lime);color:var(--ink);
  font-weight:800;font-size:14px;margin-bottom:16px;
}
.step-card h3{font-size:19px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:rgba(255,253,248,.72);line-height:1.85;}

/* ---------- composition cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease-out,box-shadow .25s ease-out,border-color .25s ease-out;
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:var(--lime);}
.info-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--bg);}
.info-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.info-card:hover .info-card__media img{transform:scale(1.03);}
.info-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card__body h3{font-size:20px;}
.info-card__body p{font-size:15px;color:var(--muted);}
.info-card__foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.dot-lime{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ---------- checklist panel ---------- */
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 40px;box-shadow:var(--sh);
}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 40px;margin-top:26px;}
.check-grid li{position:relative;padding-left:34px;font-size:15.5px;line-height:1.85;}
.check-grid li::before{
  content:"";position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:6px;
  background:var(--lime);opacity:.85;
}
.check-grid li::after{
  content:"";position:absolute;left:6px;top:13px;width:8px;height:4px;
  border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);
  transform:rotate(-45deg);
}
.warn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.warn-item{
  border:1px solid var(--line);border-left:4px solid var(--coral);
  border-radius:14px;padding:18px 22px;background:rgba(255,107,74,.05);
}
.warn-item strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px;}
.warn-item span{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:40px auto 0;}
.accordion-item{
  background:var(--card);border:1px solid var(--line) !important;border-radius:var(--r-md) !important;
  margin-bottom:14px;overflow:hidden;box-shadow:none;
}
.accordion-button{
  display:flex;align-items:center;gap:16px;
  padding:22px 26px;font-size:17px;font-weight:700;color:var(--ink);
  background:var(--card) !important;box-shadow:none !important;
  border-radius:0 !important;line-height:1.55;
}
.accordion-button:not(.collapsed){color:var(--ink);border-left:4px solid var(--lime);padding-left:22px;}
.accordion-button::after{display:none !important;}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button:focus-visible{outline:2px solid var(--lime);outline-offset:-2px;}
.plus{
  margin-left:auto;flex:none;position:relative;width:30px;height:30px;
  border:1px solid var(--line);border-radius:50%;
}
.plus::before,.plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease-out,opacity .25s ease-out;
}
.plus::before{width:12px;height:2px;}
.plus::after{width:2px;height:12px;}
.accordion-button[aria-expanded="true"] .plus::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.accordion-body{padding:0 26px 24px;font-size:15.5px;color:var(--muted);line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:var(--white);border-radius:28px;padding:56px 56px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-100px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,90,.24),transparent 70%);
}
.cta-band h2{color:var(--white);font-size:40px;line-height:1.16;margin-bottom:16px;}
.cta-band p{color:rgba(255,253,248,.74);font-size:16px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cta-aside{
  position:relative;z-index:2;background:rgba(255,253,248,.06);border:1px solid rgba(255,253,248,.16);
  border-radius:var(--r-lg);padding:26px 28px;
}
.cta-aside dl{margin:0;display:grid;gap:12px;}
.cta-aside dt{font-size:12.5px;color:rgba(255,253,248,.6);font-weight:500;}
.cta-aside dd{margin:0;font-size:15.5px;font-weight:700;color:var(--white);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,253,248,.74);padding:72px 0 28px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand__text{color:var(--white);}
.footer-brand p{font-size:14.5px;line-height:1.9;margin-top:18px;color:rgba(255,253,248,.68);max-width:340px;}
.footer-col h4{font-size:14px;color:var(--white);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.5px;color:rgba(255,253,248,.72);}
.footer-col a:hover{color:var(--white);box-shadow:inset 0 -2px 0 var(--lime);}
.footer-qr{
  width:96px;height:96px;border-radius:14px;border:1px dashed rgba(255,253,248,.34);
  margin-bottom:18px;position:relative;
  background-image:linear-gradient(45deg,rgba(255,253,248,.12) 25%,transparent 25%,transparent 75%,rgba(255,253,248,.12) 75%),
                   linear-gradient(45deg,rgba(255,253,248,.12) 25%,transparent 25%,transparent 75%,rgba(255,253,248,.12) 75%);
  background-size:16px 16px;background-position:0 0,8px 8px;
}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,253,248,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,253,248,.56);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .wrap{max-width:960px;}
  .cat-hero h1{font-size:52px;}
  .section-head h2{font-size:38px;}
  .cat-hero__grid{gap:40px;}
}
@media (max-width:991.98px){
  .main-nav,.header-cta .btn-lime{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{min-height:68px;}
  .section{padding:72px 0;}
  .cat-hero{padding:44px 0 56px;}
  .cat-hero__grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero h1{font-size:44px;}
  .hero-visual{max-width:560px;}
  .hero-float{left:12px;bottom:12px;}
  .spec-strip__grid{grid-template-columns:repeat(2,1fr);}
  .spec-item:nth-child(2){border-right:0;}
  .spec-item:nth-child(1),.spec-item:nth-child(2){border-bottom:1px solid var(--line);}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .steps-band{padding:44px 28px;border-radius:22px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .check-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:44px 30px;border-radius:22px;}
  .cta-band h2{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .panel{padding:28px 24px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .cat-hero h1{font-size:36px;}
  .cat-hero__lead{font-size:16px;}
  .cat-hero__meta{grid-template-columns:repeat(2,1fr);gap:14px;}
  .cat-hero__actions .btn-lime,.cat-hero__actions .btn-ghost{width:100%;}
  .section-head h2{font-size:28px;}
  .feature-row h3{font-size:22px;}
  .feature-num{font-size:40px;}
  .steps-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .warn-grid{grid-template-columns:1fr;}
  .accordion-button{padding:18px 18px;font-size:16px;}
  .accordion-button:not(.collapsed){padding-left:14px;}
  .accordion-body{padding:0 18px 20px;}
  .cta-band h2{font-size:26px;}
  .cta-actions .btn-lime,.cta-actions .btn-on-dark{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .site-footer{padding:56px 0 24px;margin-top:56px;}
  .topbar .wrap{height:auto;min-height:28px;padding-top:5px;padding-bottom:5px;flex-wrap:wrap;}
  .topbar-links{gap:14px;}
}
@media (max-width:519.98px){
  .cat-hero h1{font-size:31px;}
  .spec-strip__grid{grid-template-columns:1fr;}
  .spec-item{border-right:0;border-bottom:1px solid var(--line);}
  .spec-item:last-child{border-bottom:0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category4 */
:root{
  --ink:#17141C;
  --ink-soft:#2B2733;
  --lime:#C8F35A;
  --lime-dim:#EEFAC9;
  --coral:#FF6B4A;
  --bg:#F6F1E7;
  --card:#FFFDF8;
  --line:#DED5C6;
  --text:#2B2733;
  --muted:#6F6A78;
  --white:#FFFDF8;
  --r-lg:20px;
  --r-md:16px;
  --r-pill:999px;
  --sh:0 12px 30px rgba(23,20,28,.08);
  --sh-hover:0 20px 44px rgba(23,20,28,.12);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--ink)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
h1,h2,h3,h4{font-weight:800;color:var(--ink);letter-spacing:-.01em;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部辅助条 ============ */
.topbar{background:#EFE8DB;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;min-height:28px;gap:16px}
.topbar-ver{letter-spacing:.01em}
.topbar-links{display:flex;align-items:center;gap:10px}
.topbar-links a{color:var(--muted);font-size:12px;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.topbar-links a:hover{color:var(--ink);border-bottom-color:var(--lime)}
.dot{width:3px;height:3px;border-radius:50%;background:#BDB4A4;display:inline-block}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,241,231,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(2px);
  transition:box-shadow .25s ease-out;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(23,20,28,.08)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding-top:8px;padding-bottom:8px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:22px;height:22px;border-radius:6px;background:var(--lime);
  box-shadow:inset 0 0 0 2px var(--ink);
  transform:rotate(-8deg);
  transition:transform .3s ease-out;
}
.brand:hover .brand__mark{transform:rotate(8deg)}
.brand__text{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.main-nav{
  display:none;
  align-items:center;
  gap:4px;
  padding:5px;
  border-radius:var(--r-pill);
  background:#FFFDF8;
  border:1px solid var(--line);
}
.main-nav a{
  display:inline-flex;align-items:center;
  padding:8px 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--muted);
  position:relative;
  transition:background .2s,color .2s;
  white-space:nowrap;
}
.main-nav a:hover{background:#F1EADC;color:var(--ink)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-cta{display:flex;align-items:center;gap:10px}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 26px;
  background:var(--lime);color:var(--ink);
  font-size:15px;font-weight:700;
  border:1px solid var(--lime);border-radius:var(--r-pill);
  cursor:pointer;
  transition:background .25s ease-out,color .25s ease-out,border-color .25s ease-out,transform .25s ease-out;
}
.btn-lime:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-1px)}
.btn-lime .arw{display:inline-block;transition:transform .25s ease-out}
.btn-lime:hover .arw{transform:translateX(4px)}
.btn-outline-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 26px;
  background:transparent;color:var(--ink);
  font-size:15px;font-weight:700;
  border:1px solid var(--ink);border-radius:var(--r-pill);
  transition:background .25s ease-out,color .25s ease-out;
}
.btn-outline-ink:hover{background:var(--ink);color:var(--white)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 26px;
  background:transparent;color:var(--white);
  font-size:15px;font-weight:700;
  border:1px solid rgba(255,253,248,.4);border-radius:var(--r-pill);
  transition:background .25s,color .25s,border-color .25s;
}
.btn-ghost-light:hover{background:var(--white);color:var(--ink);border-color:var(--white)}
.hamburger{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#FFFDF8;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .2s,background .2s;
}
.hamburger:hover{border-color:var(--ink)}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}

/* 移动抽屉 */
.offcanvas.mobile-nav{background:var(--bg);width:86vw;max-width:360px;border-left:1px solid var(--line)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.mobile-nav .offcanvas-body{padding:14px 22px 100px;display:flex;flex-direction:column;gap:4px}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:18px;font-weight:700;color:var(--ink);
  border-bottom:1px solid rgba(222,213,198,.7);
}
.m-link::after{content:"›";color:var(--muted);font-weight:400}
.m-link.active{color:var(--ink)}
.m-link.active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:10px}
.mobile-cta{position:absolute;left:0;right:0;bottom:0;padding:14px 22px calc(14px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line)}
.mobile-cta .btn-lime{width:100%}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,253,248,.62);margin-bottom:22px}
.crumbs a{color:rgba(255,253,248,.62);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.crumbs a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.crumbs .cur{color:rgba(255,253,248,.92)}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--white);padding:56px 0 72px}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(23,20,28,.95) 0%,rgba(23,20,28,.86) 44%,rgba(23,20,28,.56) 100%);
}
.cat-hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
.tag-lime{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(200,243,90,.16);color:var(--lime);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  border:1px solid rgba(200,243,90,.34);
}
.cat-hero h1{
  color:var(--white);
  font-size:34px;line-height:1.12;font-weight:800;letter-spacing:-.02em;
  margin:20px 0 18px;
}
.cat-hero .lede{color:rgba(255,253,248,.8);font-size:16.5px;line-height:1.9;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
  margin-top:38px;background:rgba(255,253,248,.16);
  border:1px solid rgba(255,253,248,.16);border-radius:var(--r-md);overflow:hidden;
}
.hero-facts li{background:rgba(23,20,28,.55);padding:16px 18px}
.hero-facts b{display:block;font-size:19px;color:var(--lime);font-weight:800;line-height:1.4}
.hero-facts span{font-size:12.5px;color:rgba(255,253,248,.68)}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,253,248,.18);box-shadow:0 24px 60px rgba(0,0,0,.35)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual__cap{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(23,20,28,.82);border:1px solid rgba(255,253,248,.16);
  border-radius:14px;padding:12px 16px;font-size:13px;color:rgba(255,253,248,.86);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-visual__cap b{color:var(--lime);font-size:14px}

/* ============ 通用板块 ============ */
.sec{padding:var(--sec) 0}
.sec--tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.kicker{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;margin-bottom:14px;
}
.sec-head h2{font-size:30px;line-height:1.2;letter-spacing:-.02em;margin-bottom:16px}
.sec-head p{color:var(--muted);font-size:16px;line-height:1.9}

/* ============ 平台矩阵 ============ */
.plat-grid{display:grid;grid-template-columns:1fr;gap:20px}
.plat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease-out,box-shadow .25s ease-out,border-color .25s ease-out;
  position:relative;
}
.plat-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-hover)}
.plat-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plat-card h3{font-size:21px;font-weight:800}
.plat-icon{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:var(--lime-dim);color:var(--ink);font-size:13px;font-weight:800;
  border:1px solid #DEEBB0;
}
.plat-card p{color:var(--muted);font-size:14.5px;line-height:1.85}
.plat-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:#F1EADC;color:var(--ink-soft);border:1px solid var(--line);
}
.chip--lime{background:var(--lime-dim);border-color:#DEEBB0;color:#4A4F1D}
.chip--ink{background:var(--ink);color:var(--white);border-color:var(--ink)}
.chip--line{background:transparent}
.plat-card .btn-lime,.plat-card .btn-outline-ink{width:100%;margin-top:auto}
.plat-card--main{background:var(--ink);border-color:var(--ink);color:var(--white)}
.plat-card--main h3{color:var(--white)}
.plat-card--main p{color:rgba(255,253,248,.72)}
.plat-card--main .chip{background:rgba(255,253,248,.1);border-color:rgba(255,253,248,.2);color:rgba(255,253,248,.86)}
.plat-card--main .chip--lime{background:rgba(200,243,90,.18);border-color:rgba(200,243,90,.4);color:var(--lime)}
.plat-card--main .plat-icon{background:rgba(200,243,90,.16);border-color:rgba(200,243,90,.36);color:var(--lime)}

/* ============ 系统要求 ============ */
.spec-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:28px;overflow:hidden}
.spec-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:26px}
.spec-tab{
  flex:0 0 auto;padding:8px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F5F0E6;
  font-size:14px;font-weight:700;color:var(--muted);
  cursor:pointer;transition:all .2s;
}
.spec-tab.active{background:var(--ink);border-color:var(--ink);color:var(--lime)}
.spec-grid{display:grid;grid-template-columns:1fr;gap:28px}
.spec-col h3{font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.spec-col h3::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--lime)}
.spec-col--rec h3::before{background:var(--coral)}
.spec-list li{
  display:flex;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px dashed rgba(222,213,198,.9);
  font-size:14.5px;
}
.spec-list li:last-child{border-bottom:none}
.spec-list dt{color:var(--muted);flex-shrink:0}
.spec-list dd{margin:0;font-weight:700;color:var(--ink);text-align:right}
.spec-note{
  margin-top:24px;padding:16px 20px;border-radius:var(--r-md);
  background:#F5F0E6;border-left:4px solid var(--lime);
  font-size:14px;color:var(--muted);
}

/* ============ 三步安装 ============ */
.steps{display:grid;grid-template-columns:1fr;gap:20px}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 26px 26px;box-shadow:var(--sh);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.step-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-hover)}
.step-num{
  font-size:44px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.6px #C9BFA9;
  margin-bottom:14px;letter-spacing:-.03em;
}
.step-card h3{font-size:19px;margin-bottom:10px}
.step-card p{color:var(--muted);font-size:14.5px;line-height:1.9}
.step-points{margin-top:16px;display:grid;gap:8px}
.step-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-soft)}
.step-points li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:2px;background:var(--lime);
}

/* ============ 下载区块 ============ */
.dl-band{
  position:relative;overflow:hidden;background:var(--ink);color:var(--white);
  border-radius:24px;padding:44px 28px;
}
.dl-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,90,.2),transparent 70%);
}
.dl-band-in{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
.dl-band h2{color:var(--white);font-size:27px;line-height:1.25;margin-bottom:14px}
.dl-band p{color:rgba(255,253,248,.74);font-size:15px;line-height:1.9;max-width:520px}
.dl-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.dl-facts .chip{background:rgba(255,253,248,.08);border-color:rgba(255,253,248,.2);color:rgba(255,253,248,.86)}
.dl-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:14px}
.qr-slot{
  width:172px;height:172px;border-radius:var(--r-md);
  border:1px dashed rgba(255,253,248,.42);
  background:
    repeating-linear-gradient(45deg,rgba(255,253,248,.05) 0 8px,transparent 8px 16px);
  display:grid;place-items:center;text-align:center;
  font-size:12.5px;color:rgba(255,253,248,.6);padding:14px;line-height:1.7;
}
.qr-box span{font-size:12.5px;color:rgba(255,253,248,.56);letter-spacing:.06em}

/* ============ 自查清单 ============ */
.check-grid{display:grid;grid-template-columns:1fr;gap:16px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.check-item:hover{border-color:var(--lime);transform:translateY(-3px);box-shadow:var(--sh)}
.check-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:var(--lime);color:var(--ink);font-weight:800;font-size:14px;
  display:grid;place-items:center;margin-top:3px;
}
.check-item h3{font-size:16.5px;margin-bottom:6px}
.check-item p{color:var(--muted);font-size:14px;line-height:1.85}

/* ============ FAQ ============ */
.faq{max-width:900px}
.faq .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
}
.faq .accordion-item:first-of-type,.faq .accordion-item:last-of-type{border-radius:var(--r-md)}
.faq .accordion-button{
  position:relative;
  background:transparent;color:var(--ink);
  font-size:16.5px;font-weight:700;line-height:1.55;
  padding:20px 62px 20px 24px;
  box-shadow:none;border-radius:var(--r-md);
}
.faq .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--lime);opacity:0;transition:opacity .25s;
}
.faq .accordion-button:not(.collapsed)::before{opacity:1}
.faq .accordion-button::after{
  background-image:none !important;
  content:"";position:absolute;right:26px;top:50%;
  width:14px;height:2px;background-color:var(--ink);
  transform:translateY(-50%);transition:background-color .25s;
}
.faq .accordion-button:not(.collapsed)::after{background-color:var(--coral)}
.faq-plus{
  position:absolute;right:32px;top:50%;width:2px;height:14px;background:var(--ink);
  transform:translateY(-50%);transition:opacity .25s,background-color .25s;pointer-events:none;
}
.faq .accordion-button:not(.collapsed) .faq-plus{opacity:0}
.faq .accordion-body{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.95}

/* ============ 最终 CTA ============ */
.final-cta{
  background:linear-gradient(135deg,#221E28 0%,#17141C 62%);
  border-radius:24px;padding:48px 28px;color:var(--white);
  display:grid;gap:28px;position:relative;overflow:hidden;
}
.final-cta::after{
  content:"";position:absolute;left:-80px;bottom:-100px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.22),transparent 70%);
}
.final-cta h2{color:var(--white);font-size:28px;line-height:1.24;margin-bottom:14px}
.final-cta p{color:rgba(255,253,248,.74);font-size:15px;line-height:1.9;max-width:560px}
.final-cta__actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,253,248,.74);padding:64px 0 26px;margin-top:var(--sec)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
.footer-brand .brand__text{color:var(--white)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,253,248,.62);max-width:380px}
.footer-col h4{color:var(--white);font-size:15px;font-weight:800;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,253,248,.66);font-size:14px;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.footer-col a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-qr{
  width:78px;height:78px;border-radius:12px;
  border:1px dashed rgba(255,253,248,.32);
  background:repeating-linear-gradient(45deg,rgba(255,253,248,.06) 0 6px,transparent 6px 12px);
  margin-bottom:16px;
}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,253,248,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,253,248,.48);
}

/* ============ 响应式 ============ */
@media (min-width:768px){
  .cat-hero h1{font-size:48px}
  .sec-head h2{font-size:36px}
  .plat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-facts{grid-template-columns:repeat(4,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  .dl-band{padding:52px 44px}
  .dl-band-in{grid-template-columns:1fr auto;gap:44px}
  .final-cta{padding:56px 48px;grid-template-columns:1fr auto;align-items:center}
}
@media (min-width:992px){
  .main-nav{display:flex}
  .cat-hero{padding:64px 0 88px}
  .cat-hero-in{grid-template-columns:1.15fr .85fr;gap:56px}
  .cat-hero h1{font-size:58px}
  .cat-hero .lede{font-size:17px}
  .plat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .sec-head h2{font-size:42px}
  .final-cta h2{font-size:32px}
}
@media (max-width:991.98px){
  .header-cta .btn-lime{display:none}
  .hero-visual{order:2}
}
@media (max-width:767.98px){
  :root{--sec:56px}
  .topbar-in{justify-content:center}
  .topbar-links{display:none}
  .cat-hero h1{font-size:34px}
  .cat-hero .lede{font-size:15.5px}
  .hero-actions .btn-lime,.hero-actions .btn-ghost-light{width:100%}
  .sec-head h2{font-size:27px}
  .dl-band h2{font-size:23px}
  .final-cta h2{font-size:24px}
  .spec-list li{flex-direction:column;gap:2px}
  .spec-list dd{text-align:left}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --ink:#17141C;
  --lime:#C8F35A;
  --lime-soft:#E9FBBE;
  --coral:#FF6B4A;
  --bg:#F6F1E7;
  --card:#FFFDF8;
  --card-soft:#FBF7EC;
  --line:#DED5C6;
  --text:#2B2733;
  --muted:#6F6A78;
  --inv:#FFFDF8;
  --r-xl:28px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 12px 30px rgba(23,20,28,.08);
  --shadow-hover:0 20px 44px rgba(23,20,28,.12);
  --sp:8px;
  --sec:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

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

/* ---------- 顶部辅助条 ---------- */
.topbar{background:var(--ink);color:rgba(255,253,248,.72);font-size:12.5px;letter-spacing:.01em}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap}
.topbar__left{display:inline-flex;align-items:center;gap:8px}
.topbar__left .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,243,90,.18);display:inline-block}
.topbar__right{display:inline-flex;align-items:center;gap:12px}
.topbar__right a{color:rgba(255,253,248,.78);border-bottom:1px solid transparent;padding-bottom:1px}
.topbar__right a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.topbar__right .sep{width:1px;height:11px;background:rgba(255,253,248,.24)}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(23,20,28,.1)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:24px;height:24px;border-radius:8px;background:var(--lime);
  position:relative;display:inline-block;box-shadow:inset 0 0 0 1px rgba(23,20,28,.12);
}
.brand__mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;background:var(--ink);
}
.brand__text{font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--text);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.main-nav a:hover{background:rgba(222,213,198,.42)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--lime);
}
.header__actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--ink)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;
  border:1px solid transparent;background:transparent;color:var(--text);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn__arrow{display:inline-block;transition:transform .24s var(--ease)}
.btn--primary{background:var(--lime);color:var(--ink);border-color:var(--lime);box-shadow:0 8px 20px rgba(200,243,90,.34)}
.btn--primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);box-shadow:0 14px 28px rgba(23,20,28,.22)}
.btn--primary:hover .btn__arrow{transform:translateX(4px)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--inv)}
.btn--ghost:hover .btn__arrow{transform:translateX(4px)}
.btn--light{background:transparent;color:var(--inv);border-color:rgba(255,253,248,.5)}
.btn--light:hover{background:var(--inv);color:var(--ink);border-color:var(--inv)}
.btn--light:hover .btn__arrow{transform:translateX(4px)}
.btn--sm{min-height:40px;padding:9px 18px;font-size:14px}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.01em;line-height:1.5;
}
.tag--lime{background:var(--lime-soft);color:#2F3A12}
.tag--line{border:1px solid var(--line);color:var(--muted);background:transparent}
.tag--dark{background:var(--ink);color:var(--inv)}
.ver-badge{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--ink);color:var(--inv);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:56px 0 64px;background:var(--bg)}
.cat-hero__bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.3;filter:saturate(.85);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(246,241,231,.96) 0%,rgba(246,241,231,.9) 46%,rgba(246,241,231,.7) 100%);
}
.cat-hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:start}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--muted);border-bottom:1px solid transparent}
.crumb a:hover{color:var(--ink);border-bottom-color:var(--lime)}
.crumb .sep{color:#B9B0C0}
.crumb .current{color:var(--ink);font-weight:600}
.cat-hero__title{
  font-size:clamp(34px,4.6vw,58px);font-weight:800;line-height:1.1;
  letter-spacing:-.02em;color:var(--ink);margin:16px 0 20px;max-width:16em;
}
.cat-hero__title em{font-style:normal;background:linear-gradient(transparent 62%,var(--lime) 62%,var(--lime) 92%,transparent 92%)}
.cat-hero__lead{font-size:16.5px;line-height:1.95;color:var(--muted);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.trust-list{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(222,213,198,.9)}
.trust-item{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:7px}
.trust-item b{color:var(--ink);font-size:13.5px;font-weight:700}
.trust-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,243,90,.24)}

.version-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:26px;position:relative;
}
.version-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.version-card__head h2{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.version-card__row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line)}
.version-card__row:last-of-type{border-bottom:0}
.version-card__label{font-size:13.5px;color:var(--muted)}
.version-card__value{font-size:14.5px;font-weight:700;color:var(--ink);text-align:right}
.version-card .btn{width:100%;margin-top:18px}
.version-card__note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.8}

/* ---------- 规格条 ---------- */
.spec-strip{padding:0 0 8px}
.spec-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;
}
.spec-item{padding:22px 24px;border-right:1px solid var(--line)}
.spec-item:last-child{border-right:0}
.spec-label{font-size:12.5px;color:var(--muted);letter-spacing:.02em;margin-bottom:6px}
.spec-value{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.3}
.spec-value small{font-size:12.5px;font-weight:600;color:var(--muted);margin-left:4px}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head__label{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;color:#4B5B18;background:var(--lime-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.section-head__title{font-size:clamp(26px,3.2vw,42px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--ink)}
.section-head__desc{margin-top:16px;font-size:16px;color:var(--muted);line-height:1.9}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:15px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--lime),var(--line) 70%,transparent);
}
.tl-item{position:relative;padding-left:56px;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:8px;top:26px;width:16px;height:16px;border-radius:50%;
  background:var(--card);border:3px solid var(--ink);box-shadow:0 0 0 4px var(--bg);
  transition:background .25s var(--ease);
}
.tl-item.is-latest::before{background:var(--lime)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:26px 28px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--lime)}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.tl-date{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.02em}
.tl-title{font-size:21px;font-weight:800;color:var(--ink);line-height:1.4;letter-spacing:-.01em}
.tl-text{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.9}
.tl-list{margin-top:16px;display:grid;gap:9px}
.tl-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text);line-height:1.8}
.tl-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--lime);box-shadow:inset 0 0 0 1px rgba(23,20,28,.16);
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

/* ---------- 更新内容说明卡 ---------- */
.note-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.note-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:28px;display:flex;flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.note-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--lime)}
.note-card--a{grid-column:span 5}
.note-card--b{grid-column:span 4}
.note-card--c{grid-column:span 3}
.note-num{font-size:13px;font-weight:800;letter-spacing:.14em;color:#95A05C;margin-bottom:14px}
.note-title{font-size:20px;font-weight:800;color:var(--ink);line-height:1.4;letter-spacing:-.01em}
.note-text{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.9}
.note-points{margin-top:16px;display:grid;gap:8px}
.note-points li{position:relative;padding-left:18px;font-size:14px;color:var(--text);line-height:1.8}
.note-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;border-radius:2px;background:var(--coral)}
.note-media{margin-top:20px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.note-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.note-card:hover .note-media img{transform:scale(1.03)}

/* ---------- 版本对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:28px;
}
.compare-card--accent{background:#20202A;border-color:#20202A;color:var(--inv)}
.compare-card--accent .compare-title{color:var(--inv)}
.compare-card--accent .spec-row{border-bottom-color:rgba(255,253,248,.16)}
.compare-card--accent .spec-row__k{color:rgba(255,253,248,.62)}
.compare-card--accent .spec-row__v{color:var(--inv)}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.compare-title{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.spec-row{display:flex;align-items:baseline;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px dashed var(--line)}
.spec-row:last-child{border-bottom:0}
.spec-row__k{font-size:14px;color:var(--muted)}
.spec-row__v{font-size:14.5px;font-weight:700;color:var(--ink);text-align:right}
.compare-note{
  grid-column:1/-1;font-size:14px;color:var(--muted);line-height:1.9;
  background:var(--card-soft);border:1px solid var(--line);border-left:4px solid var(--lime);
  border-radius:var(--r-md);padding:18px 22px;
}

/* ---------- 更新节奏 + 表单 ---------- */
.cadence-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:start}
.cadence-grid{display:grid;gap:16px}
.cadence-card{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.cadence-card:hover{transform:translateX(4px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.cadence-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--lime-soft);color:#3A4712;font-weight:800;font-size:14px;letter-spacing:.02em;
}
.cadence-title{font-size:17px;font-weight:800;color:var(--ink);line-height:1.5}
.cadence-text{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.85}
.cadence-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}

.subscribe{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow);position:sticky;top:104px;
}
.subscribe h3{font-size:19px;font-weight:800;color:var(--ink);line-height:1.45;letter-spacing:-.01em}
.subscribe p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85}
.form-group{margin-top:18px}
.form-label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px}
.form-control{
  width:100%;height:48px;padding:10px 15px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--bg);color:var(--text);
  font-size:14.5px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.form-control::placeholder{color:#A29BAA}
.form-control:focus{outline:none;border-color:var(--lime);background:var(--card);box-shadow:0 0 0 3px rgba(200,243,90,.38)}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.8}
.subscribe .btn{width:100%;margin-top:16px}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
}
.faq .accordion-button{
  background:var(--card);color:var(--ink);font-size:16.5px;font-weight:700;line-height:1.55;
  padding:20px 24px;box-shadow:none;border-radius:var(--r-md);
}
.faq .accordion-button:not(.collapsed){
  background:var(--card-soft);color:var(--ink);
  box-shadow:inset 4px 0 0 var(--lime);
}
.faq .accordion-button:focus{box-shadow:inset 0 0 0 2px var(--lime);border-radius:var(--r-md)}
.faq .accordion-button::after{
  content:"";width:18px;height:18px;margin-left:auto;flex:0 0 18px;
  background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(var(--ink),var(--ink));
  background-size:16px 2px,2px 16px;
  background-position:center,center;
  background-repeat:no-repeat,no-repeat;
  transition:transform .25s var(--ease),background-size .25s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{
  background-image:linear-gradient(var(--ink),var(--ink));
  background-size:16px 2px;
  background-position:center;
  background-repeat:no-repeat;
  transform:rotate(180deg);
}
.faq .accordion-body{
  padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.95;
}
.faq .accordion-body strong{color:var(--ink)}

/* ---------- 深色 CTA ---------- */
.cta-block{padding:0 0 var(--sec)}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-xl);
  padding:56px;color:var(--inv);
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
}
.cta-inner::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,243,90,.24),transparent 68%);
}
.cta-inner > *{position:relative;z-index:2}
.cta-title{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--inv)}
.cta-text{margin-top:14px;font-size:15.5px;color:rgba(255,253,248,.72);line-height:1.9;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-points{display:grid;gap:14px}
.cta-points li{
  display:flex;gap:12px;align-items:flex-start;font-size:14px;
  color:rgba(255,253,248,.8);line-height:1.8;
  border-bottom:1px solid rgba(255,253,248,.14);padding-bottom:14px;
}
.cta-points li:last-child{border-bottom:0;padding-bottom:0}
.cta-points li b{color:var(--lime);font-weight:800;font-size:13px;letter-spacing:.06em;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--inv);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand__text{color:var(--inv)}
.footer-brand p{font-size:14px;line-height:1.95;color:rgba(255,253,248,.62);max-width:32em}
.footer-col h4{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:rgba(255,253,248,.48);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:4px}
.footer-col ul li a{
  display:inline-block;padding:5px 0;font-size:14.5px;color:rgba(255,253,248,.84);
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-col ul li a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-qr{
  width:86px;height:86px;border-radius:12px;background:var(--inv);position:relative;
  margin-bottom:16px;overflow:hidden;
}
.footer-qr::before{
  content:"";position:absolute;inset:12px;border-radius:3px;opacity:.86;
  background:
    repeating-linear-gradient(90deg,#17141C 0 5px,transparent 5px 10px),
    repeating-linear-gradient(#17141C 0 5px,transparent 5px 10px);
}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,253,248,.16);
  margin-top:52px;padding:22px 0 30px;
  font-size:12.5px;color:rgba(255,253,248,.52);
}

/* ---------- 移动端抽屉 ---------- */
#mobileNav{width:86vw;max-width:380px;background:var(--bg);border-left:1px solid var(--line)}
#mobileNav .offcanvas-header{padding:22px 24px;border-bottom:1px solid var(--line)}
#mobileNav .offcanvas-title{font-weight:800;font-size:17px;color:var(--ink)}
#mobileNav .offcanvas-body{padding:20px 24px 28px;display:flex;flex-direction:column}
.mobile-nav-list{display:grid;gap:2px}
.mobile-nav-list a{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;color:var(--text);
  border-bottom:1px solid rgba(222,213,198,.7);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.mobile-nav-list a:hover{color:var(--ink);padding-left:10px}
.mobile-nav-list a.active{color:var(--ink);box-shadow:inset 3px 0 0 var(--lime);padding-left:12px}
.mobile-nav-foot{margin-top:auto;padding-top:24px}
.mobile-nav-foot .btn{width:100%}
.mobile-nav-foot p{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.8}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-hero__inner{grid-template-columns:1fr 1fr;gap:36px}
  .note-card--a{grid-column:span 6}
  .note-card--b{grid-column:span 6}
  .note-card--c{grid-column:span 12}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:span 3;display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start}
  .footer-col:last-child h4{grid-column:1/-1}
}
@media (max-width:991.98px){
  :root{--sec:72px}
  .cat-hero__inner{grid-template-columns:1fr;gap:32px}
  .cat-hero{padding:40px 0 52px}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .spec-item{border-right:1px solid var(--line)}
  .spec-item:nth-child(2n){border-right:0}
  .spec-item:nth-child(1),.spec-item:nth-child(2){border-bottom:1px solid var(--line)}
  .cadence-layout{grid-template-columns:1fr}
  .subscribe{position:static}
  .cta-inner{grid-template-columns:1fr;padding:40px 32px;gap:28px}
  .compare-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1/-1;display:block}
  .section-head{margin-bottom:34px}
}
@media (max-width:767.98px){
  :root{--sec:56px}
  .wrap{padding:0 20px}
  body{font-size:15.5px}
  .header__inner{min-height:66px;gap:12px}
  .brand__text{font-size:17.5px}
  .cat-hero__title{margin:14px 0 16px}
  .cat-hero__lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .trust-list{gap:10px 18px;margin-top:24px;padding-top:18px}
  .version-card{padding:22px}
  .spec-item{padding:18px 18px}
  .spec-value{font-size:17px}
  .tl-item{padding-left:44px}
  .timeline::before{left:11px}
  .tl-item::before{left:4px;width:14px;height:14px;top:24px}
  .tl-card{padding:22px 20px}
  .tl-title{font-size:18.5px}
  .note-grid{gap:16px}
  .note-card--a,.note-card--b,.note-card--c{grid-column:span 12}
  .note-card{padding:22px}
  .compare-card{padding:22px}
  .spec-row{gap:12px}
  .spec-row__v{text-align:right;max-width:58%}
  .cta-inner{padding:32px 22px;border-radius:22px}
  .cta-actions .btn{flex:1 1 auto}
  .cadence-card{padding:18px 18px;grid-template-columns:auto 1fr;gap:14px}
  .faq .accordion-button{font-size:15.5px;padding:16px 18px}
  .faq .accordion-body{padding:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-col:last-child{grid-column:auto}
  .site-footer{padding-top:52px}
  .footer-bottom{font-size:12px;margin-top:36px}
  .topbar__inner{min-height:34px}
  .topbar__right{display:none}
}
@media (max-width:519.98px){
  .spec-grid{grid-template-columns:1fr}
  .spec-item{border-right:0;border-bottom:1px solid var(--line)}
  .spec-item:last-child{border-bottom:0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .version-card__row{flex-direction:column;align-items:flex-start;gap:4px}
  .version-card__value{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category5 */
:root{
  --ink:#17141C;
  --lime:#C8F35A;
  --coral:#FF6B4A;
  --bg:#F6F1E7;
  --card:#FFFDF8;
  --line:#DED5C6;
  --text:#2B2733;
  --muted:#6F6A78;
  --white:#FFFDF8;
  --soft:#EFE8DA;
  --r-lg:20px;
  --r-md:16px;
  --r-pill:999px;
  --shadow:0 12px 30px rgba(23,20,28,.08);
  --shadow-hover:0 20px 44px rgba(23,20,28,.12);
  --ease:all .24s ease-out;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:var(--ease)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.15;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:var(--lime);color:var(--ink)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 顶部辅助条 */
.topbar{background:var(--bg);border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;min-height:30px;gap:16px}
.topbar__meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.topbar__meta span{display:inline-flex;align-items:center;gap:6px}
.topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.topbar__links{display:flex;align-items:center;gap:18px}
.topbar__links a{color:var(--muted);font-size:12px}
.topbar__links a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:var(--bg);border-bottom:1px solid var(--line);transition:var(--ease)}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(23,20,28,.09)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand__mark{position:relative;width:26px;height:26px;border-radius:8px;background:var(--lime);flex:0 0 auto}
.brand__mark::after{content:"";position:absolute;left:8px;top:8px;width:10px;height:10px;border-radius:3px;background:var(--ink)}
.brand__text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav a{position:relative;display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--text)}
.main-nav a:hover{background:#EDE6D8;color:var(--ink)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--lime)}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{width:46px;height:46px;border:1px solid var(--line);border-radius:14px;background:var(--card);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:var(--ease)}
.nav-toggle span{width:20px;height:2px;border-radius:2px;background:var(--ink);transition:var(--ease)}
.nav-toggle:hover{border-color:var(--ink)}
.nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* 按钮 */
.c-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:var(--ease);text-align:center}
.c-btn .arrow{display:inline-block;transition:transform .24s ease-out}
.c-btn:hover .arrow{transform:translateX(4px)}
.c-btn--lime{background:var(--lime);color:var(--ink)}
.c-btn--lime:hover{background:var(--ink);color:var(--lime)}
.c-btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.c-btn--ghost:hover{background:var(--ink);color:var(--white)}
.c-btn--dark{background:var(--ink);color:var(--white)}
.c-btn--dark:hover{background:var(--lime);color:var(--ink)}
.c-btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.c-btn:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* 标签 */
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700;line-height:1.6}
.tag--lime{background:rgba(200,243,90,.28);color:var(--ink);border:1px solid rgba(200,243,90,.7)}
.tag--ink{background:var(--ink);color:var(--white)}
.tag--line{border:1px solid var(--line);color:var(--muted);background:transparent}

/* 首屏 */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero__bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;opacity:.2}
.page-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,#F6F1E7 26%,rgba(246,241,231,.72) 62%,rgba(246,241,231,.42) 100%)}
.page-hero__inner{position:relative;padding:46px 0 70px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.crumbs .sep{color:#B9B0A0}
.crumbs .current{color:var(--ink);font-weight:600}
.page-hero h1{font-size:clamp(32px,4.2vw,54px);line-height:1.1;letter-spacing:-.02em;margin:16px 0 18px;max-width:16em}
.lede{max-width:46em;font-size:17px;line-height:1.95;color:var(--text)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:42px}
.stat{background:rgba(255,253,248,.86);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;backdrop-filter:none}
.stat dt{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.02em}
.stat dd{margin:4px 0 0;font-size:15px;font-weight:800;color:var(--ink);line-height:1.5}

/* 板块 */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:38px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.14em;margin-bottom:12px}
.section-title{font-size:clamp(27px,3.2vw,40px);line-height:1.18;letter-spacing:-.015em}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.95}

/* 速查区 */
.media-figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--soft);height:100%}
.media-figure img{width:100%;height:100%;min-height:280px;object-fit:cover;transition:transform .4s ease-out}
.media-figure:hover img{transform:scale(1.03)}
.quick-list{display:grid;gap:16px}
.quick-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px;display:flex;gap:16px;box-shadow:var(--shadow);transition:var(--ease)}
.quick-item:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.quick-item__num{flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:rgba(200,243,90,.35);color:var(--ink);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.quick-item h3{font-size:17px;margin-bottom:6px}
.quick-item p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* 检索工具条 */
.toolbar{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px;box-shadow:var(--shadow)}
.toolbar__search{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.toolbar__search input{flex:1 1 320px;min-height:50px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:#FBF7EE;font-size:15px;color:var(--ink);transition:var(--ease)}
.toolbar__search input::placeholder{color:#9A938A}
.toolbar__search input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,243,90,.55)}
.toolbar__hint{font-size:13px;color:var(--muted)}
.toolbar__chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{display:inline-flex;align-items:center;min-height:40px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;font-size:14px;font-weight:600;color:var(--text);transition:var(--ease)}
.chip:hover{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.chip:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.search-empty{margin-top:16px;font-size:14.5px;color:var(--coral);font-weight:600}

/* FAQ 分组 */
.faq-group{margin-bottom:52px;scroll-margin-top:106px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.group-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.3}
.group-head p{font-size:14px;color:var(--muted)}
.faq-acc .accordion-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;box-shadow:0 6px 18px rgba(23,20,28,.05);transition:var(--ease)}
.faq-acc .accordion-item:hover{border-color:#CFC5B2}
.faq-acc .accordion-header{margin:0;font-size:inherit}
.faq-acc .accordion-button{
  position:relative;width:100%;background:var(--card);color:var(--ink);
  font-size:17px;font-weight:700;line-height:1.55;text-align:left;
  padding:20px 62px 20px 22px;box-shadow:none;border-radius:0;border:0;
}
.faq-acc .accordion-button:not(.collapsed){background:#F1EBDD;color:var(--ink);box-shadow:inset 4px 0 0 var(--lime)}
.faq-acc .accordion-button:focus{box-shadow:inset 0 0 0 2px var(--lime);outline:none}
.faq-acc .accordion-button:not(.collapsed):focus{box-shadow:inset 4px 0 0 var(--lime),inset 0 0 0 2px rgba(200,243,90,.9)}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button::before{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;margin-top:-7px;
  background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(var(--ink),var(--ink));
  background-repeat:no-repeat;background-position:center,center;
  background-size:14px 2px,2px 0;
  transition:background-size .24s ease-out;
}
.faq-acc .accordion-button.collapsed::before{background-size:14px 2px,2px 14px}
.faq-acc .accordion-body{padding:4px 24px 22px;font-size:15px;line-height:1.95;color:var(--text)}
.faq-acc .accordion-body strong{color:var(--ink)}
.faq-acc .accordion-body ul{margin:12px 0 0;display:grid;gap:8px}
.faq-acc .accordion-body li{position:relative;padding-left:18px;color:var(--muted);font-size:14.5px}
.faq-acc .accordion-body li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--lime)}

/* 反馈 CTA */
.cta-block{background:var(--ink);border-radius:26px;padding:52px 48px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;color:var(--white);position:relative;overflow:hidden}
.cta-block::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:rgba(200,243,90,.12)}
.cta-block__text{position:relative;z-index:1}
.cta-block h2{color:var(--white);font-size:clamp(26px,3vw,36px);line-height:1.2;margin:16px 0 14px;max-width:14em}
.cta-block p{color:rgba(255,253,248,.78);font-size:15.5px;line-height:1.95;max-width:36em}
.check-list{margin-top:22px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;color:rgba(255,253,248,.88)}
.check-list li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;background:var(--lime);opacity:.9}
.check-list li::after{content:"";position:absolute;left:5px;top:12px;width:4px;height:7px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(42deg)}
.cta-form{position:relative;z-index:1;background:rgba(255,253,248,.06);border:1px solid rgba(255,253,248,.16);border-radius:var(--r-lg);padding:26px 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:rgba(255,253,248,.82);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,253,248,.22);
  background:rgba(255,253,248,.92);color:var(--ink);font-size:14.5px;font-family:inherit;transition:var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#8E8779}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,243,90,.4)}
.cta-form .c-btn{width:100%}
.form-tip{margin-top:14px;font-size:13.5px;color:var(--lime);display:flex;align-items:center;gap:8px}
.form-tip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}

/* 频道入口卡 */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.channel-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--ease)}
.channel-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.channel-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.channel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.channel-card:hover .channel-card__media img{transform:scale(1.04)}
.channel-card__body{padding:22px 24px 26px}
.channel-card__body h3{font-size:19px;margin-bottom:8px}
.channel-card__body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.channel-card__more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--ink)}
.channel-card__more .arrow{transition:transform .24s ease-out}
.channel-card:hover .channel-card__more .arrow{transform:translateX(4px)}

/* 移动端菜单 */
.mob-nav{background:var(--bg);width:86vw!important;border-left:1px solid var(--line)}
.mob-nav .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.mob-close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--card);position:relative;cursor:pointer}
.mob-close span{position:absolute;left:13px;top:21px;width:18px;height:2px;background:var(--ink);border-radius:2px}
.mob-close span:first-child{transform:rotate(45deg)}
.mob-close span:last-child{transform:rotate(-45deg)}
.mob-nav .offcanvas-body{padding:18px 22px;display:flex;flex-direction:column}
.mob-link{display:flex;align-items:center;justify-content:space-between;min-height:52px;font-size:17px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line)}
.mob-link.active{color:var(--ink)}
.mob-link.active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}
.mob-link:hover{color:var(--ink)}
.mob-foot{padding:18px 22px calc(22px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,253,248,.76);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand__text{color:var(--white)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,253,248,.66);max-width:32em}
.footer-col h4{color:var(--white);font-size:15px;margin-bottom:16px;font-weight:800}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,253,248,.7);font-size:14px}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.footer-qr{width:78px;height:78px;border-radius:12px;background:rgba(255,253,248,.1);border:1px solid rgba(255,253,248,.18);margin-bottom:16px;position:relative;overflow:hidden}
.footer-qr::after{content:"";position:absolute;inset:12px;border-radius:6px;background-image:linear-gradient(rgba(255,253,248,.35) 2px,transparent 2px),linear-gradient(90deg,rgba(255,253,248,.35) 2px,transparent 2px);background-size:12px 12px}
.footer-bottom{border-top:1px solid rgba(255,253,248,.16);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,253,248,.55)}

/* 响应式 */
@media (max-width:1199.98px){
  .page-hero h1{font-size:clamp(30px,4.6vw,46px)}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .header-inner{min-height:68px}
  .page-hero__inner{padding:34px 0 56px}
  .cta-block{grid-template-columns:1fr;gap:32px;padding:40px 30px}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .topbar__links{display:none}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .page-hero__inner{padding:26px 0 46px}
  .page-hero h1{font-size:clamp(26px,7.4vw,34px)}
  .lede{font-size:15.5px}
  .hero-actions .c-btn{width:100%}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:30px}
  .stat{padding:14px}
  .channel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;font-size:12.5px}
  .quick-item{padding:18px}
  .toolbar{padding:18px}
  .toolbar__search input{flex:1 1 100%}
  .cta-block{padding:32px 20px;border-radius:20px}
  .cta-form{padding:20px 16px}
  .faq-acc .accordion-button{font-size:15.5px;padding:18px 54px 18px 18px}
  .faq-acc .accordion-body{padding:2px 18px 18px}
  .footer-qr{width:66px;height:66px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}