/* roulang page: index */
:root{
  --paper:#F6F4EF;
  --paper-2:#FBFAF6;
  --ink:#101312;
  --graphite:#5B625E;
  --mist:#E6E3D9;
  --lime:#C9F24E;
  --lime-deep:#B4DE3A;
  --r-pill:999px;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:8px;
  --shadow-hover:0 18px 40px -24px rgba(16,19,18,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:24px;left:0;right:0;z-index:70;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1140px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:16px;
  padding:8px 10px 8px 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--mist);
  background:rgba(246,244,239,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.dock.is-scrolled{background:rgba(246,244,239,.86);box-shadow:var(--shadow-hover)}
.dock-logo{display:flex;align-items:baseline;gap:2px;font-size:17px;font-weight:700;letter-spacing:-.02em;white-space:nowrap}
.dock-logo .logo-tail{font-weight:600;font-size:15px;color:var(--graphite);margin-left:4px}
.dock-logo .logo-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);margin:0 4px 2px;display:inline-block;box-shadow:0 0 0 1px rgba(16,19,18,.14)}
.dock-nav{display:none;align-items:center;gap:18px;margin-left:8px}
.nav-link{position:relative;font-size:14px;color:var(--graphite);padding:6px 0;transition:color .24s var(--ease);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--lime-deep);transition:width .24s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{width:100%}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-pill);color:var(--graphite);transition:background .24s var(--ease),color .24s var(--ease)}
.icon-btn:hover{background:var(--mist);color:var(--ink)}
.hamburger{width:40px;height:40px;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:var(--r-pill)}
.hamburger span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease),opacity .3s var(--ease)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media(min-width:1024px){
  .dock-nav{display:flex}
  .hamburger{display:none}
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:65;background:var(--paper);
  display:flex;flex-direction:column;
  padding:100px 24px calc(24px + env(safe-area-inset-bottom));
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{font-size:22px;font-weight:600;padding:16px 0;border-bottom:1px solid var(--mist);color:var(--ink)}
.drawer-nav a.is-active{color:var(--ink)}
.drawer-nav a.is-active::before{content:"";display:inline-block;width:6px;height:6px;background:var(--lime);margin-right:10px;vertical-align:middle}
.drawer-cta{margin-top:auto;width:100%;justify-content:center}
@media(min-width:1024px){.drawer{display:none}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;border-radius:var(--r-btn);padding:15px 28px;transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);white-space:nowrap}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.btn-ghost:hover{background:rgba(16,19,18,.04);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:var(--r-pill)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:#1d2220;transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);position:relative}
.link-arrow svg{transition:transform .24s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--lime-deep);transition:width .24s var(--ease)}
.link-arrow:hover::after{width:calc(100% - 20px)}

/* ---------- 通用标题 ---------- */
.sec{margin-top:112px}
@media(max-width:1023px){.sec{margin-top:84px}}
@media(max-width:767px){.sec{margin-top:60px}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--graphite);letter-spacing:.02em}
.kicker::before{content:"";width:24px;height:2px;background:var(--lime-deep);display:inline-block}
.sec-title{font-size:clamp(26px,3.2vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1.2;margin-top:14px}
.sec-desc{font-size:15px;color:var(--graphite);margin-top:12px;max-width:640px}

/* ---------- Hero ---------- */
.hero{padding:140px 0 0}
@media(min-width:1024px){.hero{padding-top:160px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:64px}}
.hero-title{font-size:clamp(38px,6.2vw,76px);font-weight:700;line-height:1.06;letter-spacing:-.03em;margin-top:20px}
.hero-title .hl{color:var(--ink);position:relative;white-space:nowrap}
.hero-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.16em;background:var(--lime);z-index:-1}
.hero-sub{font-size:17px;line-height:1.85;color:var(--graphite);margin-top:22px;max-width:560px}
@media(min-width:768px){.hero-sub{font-size:18px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-notes{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:30px;font-size:13px;color:var(--graphite)}
.hero-notes span{display:inline-flex;align-items:center;gap:6px}
.hero-notes span::before{content:"";width:5px;height:5px;background:var(--lime);box-shadow:0 0 0 1px rgba(16,19,18,.14)}
.hero-notes .sep{width:1px;height:12px;background:var(--mist)}
.hero-notes .sep::before{display:none}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--mist)}
.hero-figure{position:absolute;left:16px;bottom:16px;background:var(--ink);color:var(--paper);border-radius:var(--r-img);padding:14px 20px;display:flex;align-items:baseline;gap:10px}
.hero-figure-num{font-size:34px;font-weight:600;line-height:1;font-variant-numeric:tabular-nums}
.hero-figure-txt{font-size:12.5px;color:rgba(246,244,239,.72);line-height:1.4}

/* ---------- 卖点三连 ---------- */
.points{display:grid;grid-template-columns:1fr}
.point{padding:26px 0}
.point+.point{border-top:1px solid var(--mist)}
.point-num{font-size:46px;font-weight:700;line-height:1;color:var(--mist);font-variant-numeric:tabular-nums;margin-bottom:16px}
.point h3{font-size:21px;font-weight:600;line-height:1.35}
.point p{font-size:15px;color:var(--graphite);margin-top:10px;line-height:1.8}
@media(min-width:768px){
  .points{grid-template-columns:repeat(3,1fr)}
  .point{padding:6px 34px}
  .point:first-child{padding-left:0}
  .point:last-child{padding-right:0}
  .point+.point{border-top:0;border-left:1px solid var(--mist)}
}

/* ---------- 场景 ---------- */
.scene{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
.scene+.scene{margin-top:64px}
@media(min-width:900px){
  .scene{grid-template-columns:repeat(2,1fr);gap:56px}
  .scene.reverse .scene-media{order:2}
  .scene.reverse .scene-body{order:1}
}
.scene-media{position:relative}
.scene-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--mist)}
.scene-tag{position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;gap:7px;background:rgba(246,244,239,.92);border:1px solid var(--mist);border-radius:var(--r-pill);padding:5px 12px;font-size:12px;font-weight:600}
.scene-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 1px rgba(16,19,18,.16)}
.scene-body h3{font-size:clamp(20px,2.2vw,24px);font-weight:600;line-height:1.35}
.scene-body p{font-size:15px;color:var(--graphite);margin-top:12px}
.list-lime{margin-top:20px}
.list-lime li{position:relative;padding-left:20px;font-size:15px;color:var(--ink);line-height:1.8}
.list-lime li+li{margin-top:10px}
.list-lime li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--lime);box-shadow:0 0 0 1px rgba(16,19,18,.14)}

/* ---------- 资讯卡 ---------- */
.post-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr);gap:28px}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
.post-card{display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--mist);border-radius:var(--r-card);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease);height:100%}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.post-cover{aspect-ratio:16/10;overflow:hidden;background:var(--mist)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.post-card:hover .post-cover img{transform:scale(1.02)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{display:inline-block;font-size:11.5px;font-weight:600;line-height:1.6;padding:3px 10px;border-radius:var(--r-pill);background:var(--mist);color:var(--ink)}
.post-title{font-size:18px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-excerpt{font-size:14px;color:var(--graphite);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--graphite);font-variant-numeric:tabular-nums}
.post-foot svg{transition:transform .24s var(--ease)}
.post-card:hover .post-foot svg{transform:translateX(3px)}
.empty-state{padding:56px 24px;text-align:center;border:1px dashed var(--mist);border-radius:var(--r-card);background:var(--paper-2)}
.empty-state svg{margin:0 auto 14px;color:var(--graphite)}
.empty-state p{font-size:15px;color:var(--graphite)}
.empty-state a{margin-top:14px;display:inline-block;font-size:14px;font-weight:600;border-bottom:1px solid var(--lime-deep)}

/* ---------- 深色认同区 ---------- */
.dark-panel{background:var(--ink);color:var(--paper);border-radius:24px;padding:52px 24px}
@media(min-width:768px){.dark-panel{padding:64px 56px}}
.dark-panel .kicker{color:rgba(246,244,239,.7)}
.dark-panel .sec-title{color:var(--paper)}
.dark-panel .sec-desc{color:rgba(246,244,239,.66)}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:32px 24px;margin-top:44px}
@media(min-width:900px){.metrics{grid-template-columns:repeat(4,1fr);gap:24px}}
.metric-num{font-size:clamp(32px,4vw,48px);font-weight:700;line-height:1;font-variant-numeric:tabular-nums;color:var(--paper)}
.metric-num em{font-style:normal;font-size:.5em;font-weight:600;color:var(--lime);margin-left:4px}
.metric-txt{font-size:13px;color:rgba(246,244,239,.62);margin-top:12px;line-height:1.7}
.partners{margin-top:48px;padding-top:32px;border-top:1px solid rgba(246,244,239,.14)}
.partner-label{font-size:13px;color:rgba(246,244,239,.55)}
.partner-list{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:16px}
.partner-list span{font-size:14px;color:rgba(246,244,239,.82)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--mist)}
.faq-item{border-bottom:1px solid var(--mist)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:17px;font-weight:600;line-height:1.5;text-align:left;transition:color .24s var(--ease)}
@media(min-width:768px){.faq-q{font-size:18px;padding:24px 0}}
.faq-q:hover{color:#000}
.faq-icon{position:relative;width:15px;height:15px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);transition:transform .3s var(--ease),background .3s var(--ease)}
.faq-icon::before{left:0;top:7px;width:15px;height:1.5px}
.faq-icon::after{left:6.75px;top:0;width:1.5px;height:15px}
.faq-item.is-open .faq-icon::after{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before{background:var(--lime-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a p{padding:0 0 24px;font-size:15px;color:var(--graphite);line-height:1.85;max-width:760px}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- 底部 CTA ---------- */
.cta-block{background:var(--ink);color:var(--paper);border-radius:24px;padding:56px 24px;text-align:center}
@media(min-width:768px){.cta-block{padding:76px 48px}}
.cta-block h2{font-size:clamp(26px,3.4vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1.25}
.cta-block p{font-size:16px;color:rgba(246,244,239,.7);margin-top:16px;max-width:640px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;margin-top:32px}
.cta-link{font-size:14px;font-weight:600;color:var(--paper);border-bottom:1px solid rgba(246,244,239,.4);padding-bottom:2px;transition:border-color .24s var(--ease),color .24s var(--ease)}
.cta-link:hover{color:var(--lime);border-color:var(--lime)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--ink);color:var(--paper);border-radius:24px 24px 0 0;padding:56px 0 26px}
@media(min-width:768px){.site-footer{padding:72px 0 28px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:44px}
@media(min-width:900px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .footer-logo{display:flex;align-items:baseline;gap:6px;font-size:19px;font-weight:700;letter-spacing:-.02em}
.footer-brand .footer-logo .logo-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.footer-brand p{font-size:15px;color:rgba(246,244,239,.66);margin-top:14px;max-width:320px;line-height:1.8}
.footer-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-pills a{font-size:12.5px;font-weight:600;padding:7px 14px;border-radius:var(--r-pill);border:1px solid rgba(246,244,239,.22);color:var(--paper);transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease)}
.footer-pills a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.footer-col h3{font-size:13px;font-weight:600;color:rgba(246,244,239,.5);letter-spacing:.02em}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(246,244,239,.86);transition:color .24s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(246,244,239,.14);display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:12.5px;color:rgba(246,244,239,.55)}

/* ---------- 底部转化条 ---------- */
.mbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:flex;align-items:center;gap:12px;
  height:60px;padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:var(--ink);color:var(--paper);
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.mbar p{font-size:13.5px;line-height:1.4;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mbar .btn{padding:10px 18px;font-size:13.5px;border-radius:var(--r-pill);flex:none}
@media(min-width:1024px){
  .mbar{
    left:auto;right:24px;bottom:24px;height:auto;
    padding:10px 10px 10px 22px;border-radius:var(--r-pill);
    gap:18px;width:auto;max-width:min(420px,calc(100vw - 48px));
    background:rgba(16,19,18,.94);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border:1px solid rgba(246,244,239,.14);
    opacity:0;transform:translateY(14px);pointer-events:none;
  }
  .mbar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
  .mbar p{white-space:normal;font-size:13.5px}
}
body{padding-bottom:60px}
@media(min-width:1024px){body{padding-bottom:0}}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .post-card:hover,.btn:hover{transform:none}
  .post-card:hover .post-cover img{transform:none}
}

/* roulang page: article */
:root{
  --paper:#F6F4EF;
  --paper-soft:#FBFAF7;
  --paper-block:#EFEDE4;
  --ink:#101312;
  --ink-soft:#1C201E;
  --lime:#C9F24E;
  --lime-deep:#B4DE3A;
  --graphite:#5B625E;
  --mist:#E6E3D9;
  --mist-line:rgba(246,244,239,.14);
  --r-pill:999px;
  --r-btn:10px;
  --r-card:16px;
  --r-img:14px;
  --r-input:8px;
  --shadow-hover:0 18px 40px -24px rgba(16,19,18,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --gutter:20px;
  --dock-top:24px;
  --dock-h:60px;
}
@media (min-width:768px){:root{--gutter:32px;}}
@media (min-width:1280px){:root{--gutter:48px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px;}
::selection{background:var(--lime);color:var(--ink);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{
  position:fixed;
  top:var(--dock-top);
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 48px);
  max-width:1200px;
  z-index:80;
  transition:top .3s var(--ease);
}
.dock{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:var(--dock-h);
  padding:0 10px 0 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--mist);
  background:rgba(246,244,239,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled .dock{
  background:rgba(246,244,239,.86);
  box-shadow:0 14px 30px -22px rgba(16,19,18,.35);
}
.dock-logo{
  display:inline-flex;
  align-items:center;
  font-size:16px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  white-space:nowrap;
  flex-shrink:0;
}
.logo-dot{
  display:inline-block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime);
  margin:0 4px;
  vertical-align:middle;
}
.dock-nav{
  display:none;
  align-items:center;
  gap:18px;
  flex:1;
  justify-content:center;
}
.dock-nav .nav-link{
  position:relative;
  font-size:14px;
  color:var(--graphite);
  padding:6px 2px;
  white-space:nowrap;
  transition:color .24s var(--ease);
}
.dock-nav .nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:0;
  height:2px;
  background:var(--lime-deep);
  transition:width .24s var(--ease);
}
.dock-nav .nav-link:hover{color:var(--ink);}
.dock-nav .nav-link:hover::after{width:100%;}
.dock-nav .nav-link.is-active{color:var(--ink);font-weight:600;}
.dock-nav .nav-link.is-active::after{width:100%;}
.dock-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex-shrink:0;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  background:transparent;
  color:var(--graphite);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:rgba(16,19,18,.05);color:var(--ink);}
.icon-btn:active{transform:translateY(1px);}
.nav-toggle{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;
  height:40px;
  padding:0 9px;
  border-radius:var(--r-pill);
  border:1px solid var(--mist);
  background:transparent;
  transition:background .24s var(--ease);
}
.nav-toggle span{
  display:block;
  width:100%;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .3s var(--ease),opacity .2s var(--ease);
}
.nav-toggle:hover{background:rgba(16,19,18,.05);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(3.5px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 28px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  background:transparent;
  color:var(--ink);
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px);}
.btn-primary:active{transform:none;}
.btn-ghost{border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(16,19,18,.05);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-sm{
  font-size:14px;
  padding:9px 18px;
  border-radius:var(--r-pill);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  position:relative;
}
.link-arrow span.arrow{transition:transform .24s var(--ease);}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:0;
  height:1px;
  background:var(--lime-deep);
  transition:width .24s var(--ease);
}
.link-arrow:hover::after{width:100%;}
.link-arrow:hover span.arrow{transform:translateX(3px);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:var(--paper);
  padding:96px 24px calc(96px + env(safe-area-inset-bottom));
  display:flex;
  flex-direction:column;
  transform:translateY(-102%);
  transition:transform .38s var(--ease);
  overflow-y:auto;
}
.drawer.open{transform:translateY(0);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  font-size:22px;
  font-weight:600;
  color:var(--ink);
  padding:18px 0;
  border-bottom:1px solid var(--mist);
  transition:color .2s var(--ease);
}
.drawer-nav a:hover{color:var(--lime-deep);}
.drawer-cta{margin-top:28px;width:100%;}
@media (min-width:1024px){
  .dock-nav{display:flex;}
  .nav-toggle{display:none;}
  .drawer{display:none;}
}

/* ---------- 阅读进度条 ---------- */
.read-progress{
  position:fixed;
  top:calc(var(--dock-top) + var(--dock-h) + 6px);
  left:0;
  height:2px;
  width:0;
  background:var(--lime);
  z-index:75;
  transition:width .1s linear;
}

/* ---------- 文章头部 ---------- */
main{padding-top:140px;}
@media (min-width:1024px){main{padding-top:160px;}}

.article-hero{padding-bottom:36px;}
.article-inner{max-width:760px;margin:0 auto;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--graphite);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--graphite);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:var(--mist);font-weight:300;}
.breadcrumb .current{
  color:var(--graphite);
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-title{
  font-size:clamp(30px,4.6vw,44px);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--ink);
  max-height:calc(1.2em * 3);
  overflow:hidden;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:24px;
  padding-bottom:24px;
  border-bottom:1px solid var(--mist);
  font-size:13px;
  color:var(--graphite);
}
.badge{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  color:var(--ink);
  background:var(--mist);
  border-radius:var(--r-pill);
  padding:4px 10px;
}
.meta-item{
  font-variant-numeric:tabular-nums;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.meta-item + .meta-item::before{
  content:"";
  display:inline-block;
  width:1px;
  height:11px;
  background:var(--mist);
  margin-right:10px;
}
.share-btn{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--graphite);
  background:transparent;
  border:1px solid var(--mist);
  border-radius:var(--r-pill);
  padding:6px 14px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.share-btn:hover{color:var(--ink);border-color:var(--ink);background:rgba(16,19,18,.03);}
.share-btn:active{transform:translateY(1px);}

/* ---------- 正文 ---------- */
.article-body{
  max-width:760px;
  margin:0 auto;
  min-height:320px;
  font-size:17px;
  line-height:1.95;
  color:var(--ink);
  padding:40px 0 8px;
}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  font-size:clamp(22px,2.6vw,26px);
  font-weight:600;
  line-height:1.4;
  letter-spacing:-.02em;
  margin:2em 0 .8em;
  padding-left:14px;
  border-left:3px solid var(--lime);
}
.article-body h3{
  font-size:21px;
  font-weight:600;
  line-height:1.4;
  margin:1.6em 0 .6em;
}
.article-body h4{
  font-size:18px;
  font-weight:600;
  margin:1.4em 0 .5em;
}
.article-body ul,
.article-body ol{
  margin:0 0 1.4em;
  padding-left:0;
}
.article-body ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:.6em;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:6px;
  height:6px;
  border-radius:1px;
  background:var(--lime-deep);
}
.article-body ol{
  counter-reset:item;
}
.article-body ol li{
  position:relative;
  padding-left:26px;
  margin-bottom:.6em;
  counter-increment:item;
}
.article-body ol li::before{
  content:counter(item);
  position:absolute;
  left:0;
  top:.1em;
  font-size:14px;
  font-weight:600;
  color:var(--graphite);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.6em 0;
  padding:16px 20px;
  background:var(--paper-block);
  border-left:3px solid var(--lime);
  border-radius:0 8px 8px 0;
  color:var(--graphite);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--r-img);
  margin:1.8em auto;
  height:auto;
}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--graphite);
  text-align:center;
  margin-top:10px;
}
.article-body a{
  color:var(--ink);
  text-decoration:underline;
  text-decoration-color:var(--lime-deep);
  text-decoration-thickness:2px;
  text-underline-offset:4px;
  transition:color .2s var(--ease);
}
.article-body a:hover{color:var(--graphite);}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  line-height:1.7;
}
.article-body th,
.article-body td{
  border:1px solid var(--mist);
  padding:10px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{
  background:var(--paper-block);
  font-weight:600;
}
.article-body hr{
  border:none;
  border-top:1px solid var(--mist);
  margin:2em 0;
}

/* 空态 */
.empty-state{
  max-width:760px;
  margin:0 auto;
  padding:64px 0 40px;
  text-align:center;
}
.empty-state .empty-icon{
  width:32px;
  height:32px;
  margin:0 auto 18px;
  color:var(--graphite);
}
.empty-state p{
  font-size:15px;
  color:var(--graphite);
  margin-bottom:22px;
}

/* ---------- 文末区 ---------- */
.article-end{max-width:760px;margin:0 auto;padding:36px 0 0;border-top:1px solid var(--mist);}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:48px;
}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  color:var(--ink);
  background:var(--mist);
  border-radius:var(--r-pill);
  padding:6px 14px;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.tag:hover{background:var(--lime);color:var(--ink);}

.next-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-bottom:64px;
}
@media (min-width:768px){
  .next-grid{grid-template-columns:1fr 1fr;}
}
.next-card{
  display:block;
  background:var(--paper-soft);
  border:1px solid var(--mist);
  border-radius:var(--r-card);
  padding:24px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.next-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DAD6C9;}
.next-card .dir{
  font-size:12px;
  font-weight:600;
  color:var(--graphite);
  letter-spacing:.02em;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
}
.next-card .dir::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--lime-deep);
  display:inline-block;
}
.next-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  color:var(--ink);
  margin-bottom:8px;
}
.next-card p{
  font-size:14px;
  color:var(--graphite);
  line-height:1.75;
}

.related-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.related-head h2{
  font-size:clamp(22px,3vw,28px);
  font-weight:600;
  letter-spacing:-.02em;
}
.card-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:768px){.card-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}

.info-card{
  display:flex;
  flex-direction:column;
  background:var(--paper-soft);
  border:1px solid var(--mist);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.info-card .thumb{
  position:relative;
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:var(--mist);
}
.info-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.info-card:hover .thumb img{transform:scale(1.02);}
.info-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card .card-badge{
  align-self:flex-start;
  font-size:11px;
  font-weight:600;
  color:var(--ink);
  background:var(--mist);
  border-radius:var(--r-pill);
  padding:4px 10px;
}
.info-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.info-card p{
  font-size:14px;
  color:var(--graphite);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.info-card .foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:auto;
  padding-top:10px;
  font-size:13px;
  color:var(--graphite);
  font-variant-numeric:tabular-nums;
}
.info-card .foot .arrow{transition:transform .24s var(--ease);color:var(--ink);}
.info-card:hover .foot .arrow{transform:translateX(3px);}

.related-foot{margin-top:28px;}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:96px 0 0;}
.cta-block{
  background:var(--ink);
  color:var(--paper);
  border-radius:24px;
  padding:64px 28px;
  text-align:center;
}
@media (min-width:768px){.cta-block{padding:80px 56px;}}
.cta-block h2{
  font-size:clamp(24px,3.4vw,38px);
  font-weight:600;
  line-height:1.25;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.cta-block p{
  font-size:16px;
  color:rgba(246,244,239,.72);
  max-width:560px;
  margin:0 auto 32px;
  line-height:1.85;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:16px;
}
.cta-block .link-arrow{color:var(--paper);}
.cta-block .link-arrow::after{background:var(--lime);}
.cta-block .link-arrow:hover{color:var(--lime);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  margin-top:96px;
  border-radius:24px 24px 0 0;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
}
.footer-logo{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.footer-brand p{
  font-size:15px;
  color:rgba(246,244,239,.68);
  line-height:1.8;
  max-width:340px;
}
.footer-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.footer-pills a{
  font-size:13px;
  font-weight:600;
  color:var(--paper);
  border:1px solid var(--mist-line);
  border-radius:var(--r-pill);
  padding:6px 14px;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.footer-pills a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.footer-col h3{
  font-size:13px;
  font-weight:600;
  color:rgba(246,244,239,.52);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:rgba(246,244,239,.9);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--mist-line);
  font-size:12.5px;
  color:rgba(246,244,239,.55);
}

/* ---------- 底部转化条 ---------- */
.float-cta{
  display:none;
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:78;
  align-items:center;
  gap:14px;
  padding:10px 10px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(246,244,239,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--mist);
  box-shadow:0 18px 40px -24px rgba(16,19,18,.4);
  opacity:0;
  pointer-events:none;
  transform:translateY(12px);
  transition:opacity .35s var(--ease),transform .35s var(--ease);
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-cta span{font-size:14px;font-weight:600;color:var(--ink);}
@media (min-width:768px){.float-cta{display:flex;}}

.mobile-bar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:78;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  height:60px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:var(--ink);
  color:var(--paper);
}
.mobile-bar span{font-size:14px;font-weight:500;}
.mobile-bar .btn{
  padding:10px 18px;
  font-size:14px;
  border-radius:var(--r-pill);
}
@media (min-width:768px){.mobile-bar{display:none;}}

@media (max-width:767px){
  :root{--dock-top:12px;--dock-h:56px;}
  .site-header{width:calc(100% - 24px);}
  .dock{padding:0 8px 0 16px;}
  .dock-logo{font-size:14px;}
  .dock-actions .icon-btn{display:none;}
  .dock-actions .btn-sm{display:none;}
  main{padding-top:118px;}
  .read-progress{top:calc(var(--dock-top) + var(--dock-h) + 6px);}
  .article-title{max-height:none;}
  .meta-row{gap:10px;}
  .share-btn{margin-left:0;}
  .cta-section{padding-top:64px;}
  .site-footer{margin-top:64px;padding-top:48px;}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom));}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .info-card:hover,.next-card:hover{transform:none;}
  .info-card:hover .thumb img{transform:none;}
}

/* roulang page: category1 */
:root{
  --paper:#F6F4EF;
  --ink:#101312;
  --lime:#C9F24E;
  --lime-deep:#B4DE3A;
  --graphite:#5B625E;
  --mist:#E6E3D9;
  --white:#FCFBF8;
  --radius-pill:999px;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:8px;
  --shadow-hover:0 18px 40px -24px rgba(16,19,18,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --block:56px;
  --font-cn:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (min-width:768px){:root{--block:80px}}
@media (min-width:1280px){:root{--block:104px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background-color:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
@media (max-width:767px){html body{padding-bottom:66px}}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:48px;padding-right:48px}}

.tabnum{font-variant-numeric:tabular-nums}

/* ============ 浮动 Dock 导航 ============ */
.dock-header{
  position:fixed;top:20px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;
  padding:0 16px;pointer-events:none;
}
@media (min-width:768px){.dock-header{top:24px}}
.dock-inner{
  pointer-events:auto;
  width:100%;max-width:1200px;min-height:60px;
  display:flex;align-items:center;gap:14px;
  padding:0 10px 0 18px;
  background:rgba(246,244,239,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--mist);
  border-radius:var(--radius-pill);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.dock-header.is-scrolled .dock-inner{
  background:rgba(246,244,239,.86);
  box-shadow:var(--shadow-hover);
}
.dock-logo{
  display:inline-flex;align-items:baseline;gap:1px;
  font-size:15px;font-weight:700;letter-spacing:-.02em;
  white-space:nowrap;color:var(--ink);
}
@media (min-width:768px){.dock-logo{font-size:16px}}
.logo-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--lime);margin:0 3px;transform:translateY(-1px);
}
.dock-nav{display:none;align-items:center;margin-left:auto;gap:12px}
@media (min-width:1024px){.dock-nav{display:flex;gap:14px}}
@media (min-width:1280px){.dock-nav{gap:20px}}
.nav-link{
  position:relative;display:inline-block;
  font-size:13.5px;line-height:1.4;color:var(--graphite);
  padding:8px 0;white-space:nowrap;
  transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;width:100%;height:1px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1);height:2px;background:var(--lime)}
.nav-link:focus-visible{outline:2px solid var(--ink);outline-offset:4px;border-radius:4px}
.dock-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.dock-tools{margin-left:0}}
.icon-btn{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  border:1px solid var(--mist);border-radius:var(--radius-pill);
  background:transparent;color:var(--ink);
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
@media (min-width:1024px){.icon-btn{display:flex}}
.icon-btn:hover{background:rgba(16,19,18,.05);border-color:var(--mist)}
.icon-btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.dock-cta{
  display:none;align-items:center;justify-content:center;
  background:var(--lime);color:var(--ink);
  border:none;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;padding:10px 18px;white-space:nowrap;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
@media (min-width:1024px){.dock-cta{display:inline-flex}}
.dock-cta:hover{background:var(--lime-deep);transform:translateY(-1px)}
.dock-cta:active{transform:translateY(0)}
.dock-cta:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.dock-toggle{
  display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--mist);border-radius:var(--radius-pill);
  background:transparent;color:var(--ink);margin-left:auto;
}
@media (min-width:1024px){.dock-toggle{display:none}}
.dock-toggle:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:70;background:var(--paper);
  display:flex;flex-direction:column;
  padding:20px 20px calc(20px + env(safe-area-inset-bottom));
  transform:translateY(-101%);visibility:hidden;
  transition:transform .42s var(--ease),visibility .42s var(--ease);
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-logo{font-size:16px;font-weight:700;letter-spacing:-.02em}
.drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--mist);border-radius:var(--radius-pill);background:transparent;color:var(--ink);
}
.drawer-nav{flex:1;overflow-y:auto}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:22px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--mist);
}
.drawer-link span{font-size:13px;font-weight:400;color:var(--graphite)}
.drawer-link.is-active{color:var(--ink)}
.drawer-link.is-active span{color:var(--ink);font-weight:600}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;
  width:100%;margin-top:20px;padding:16px;
  background:var(--lime);color:var(--ink);
  border-radius:var(--radius-btn);font-size:16px;font-weight:600;
}
.drawer-cta:hover{background:var(--lime-deep)}

/* ============ 通用按钮 / 链接 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;
  padding:14px 28px;
  transition:background .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(16,19,18,.05)}
.btn-ghost:active{background:rgba(16,19,18,.08)}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.btn-sm{padding:11px 22px;font-size:14px}
.textlink{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.textlink::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s var(--ease);
}
.textlink:hover::after{transform:scaleX(1)}
.textlink .arrow{transition:transform .24s var(--ease)}
.textlink:hover .arrow{transform:translateX(3px)}
.textlink:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
.textlink-light{color:var(--paper)}
.textlink-light::after{background:var(--lime)}

/* ============ 面包屑 & Hero ============ */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--graphite);margin-bottom:24px;
}
.crumb a{color:var(--graphite);transition:color .24s var(--ease)}
.crumb a:hover{color:var(--ink)}
.crumb a:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:3px}
.crumb-sep{color:var(--mist)}
.crumb-now{color:var(--ink);font-weight:600}

.hero{padding-top:118px;padding-bottom:var(--block)}
@media (min-width:768px){.hero{padding-top:140px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:start}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
}
.hero-title{
  font-size:clamp(34px,8.4vw,72px);
  font-weight:700;line-height:1.06;letter-spacing:-.03em;
  margin-bottom:20px;
}
.hero-title .mark{
  display:inline-block;
  background:var(--lime);color:var(--ink);
  border-radius:10px;padding:0 .14em;
  -webkit-box-decoration-break:clone;box-decoration-break:clone;
}
.hero-sub{
  font-size:17px;line-height:1.85;color:var(--graphite);
  max-width:34em;margin-bottom:32px;
}
@media (min-width:768px){.hero-sub{font-size:18px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
@media (max-width:519px){
  .hero-actions .btn{width:100%}
}
.hero-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--graphite);
}
.hero-trust i{width:1px;height:12px;background:var(--mist);display:inline-block}

.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--mist);
  background:var(--mist);
}
@media (min-width:1024px){.hero-media img{aspect-ratio:1/1.18}}
.hero-badge{
  position:absolute;left:14px;bottom:14px;
  display:flex;align-items:center;gap:14px;
  background:var(--ink);color:var(--paper);
  border-radius:12px;padding:12px 18px;
}
.hero-badge-num{
  font-size:34px;font-weight:700;line-height:1;color:var(--lime);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.hero-badge-text{font-size:12.5px;line-height:1.5;color:rgba(246,244,239,.82);max-width:8em}

/* ============ 板块通用 ============ */
.section{padding-top:var(--block);padding-bottom:var(--block)}
.section-tight{padding-top:calc(var(--block) * .6);padding-bottom:calc(var(--block) * .6)}
.sec-rule{width:24px;height:2px;background:var(--lime);margin-bottom:18px}
.sec-title{
  font-size:clamp(26px,3.2vw,40px);
  font-weight:600;letter-spacing:-.02em;line-height:1.2;
  margin-bottom:16px;
}
.sec-desc{font-size:15px;line-height:1.85;color:var(--graphite);max-width:44em}

/* ============ 步骤时间轴 + 侧栏 ============ */
.guide-grid{display:grid;grid-template-columns:1fr;gap:36px;margin-top:40px}
@media (min-width:1024px){
  .guide-grid{grid-template-columns:1.4fr .6fr;gap:64px;align-items:start}
}
.steps{position:relative}
.steps::before{
  content:"";position:absolute;left:15px;top:20px;bottom:20px;
  width:2px;background:var(--mist);
}
.step{position:relative;padding-left:52px;padding-bottom:38px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:9px;top:7px;
  width:14px;height:14px;border-radius:50%;
  background:var(--ink);box-shadow:0 0 0 4px var(--paper);
}
.step-num{
  display:inline-block;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--graphite);font-variant-numeric:tabular-nums;
  margin-bottom:8px;
}
.step h3{font-size:20px;font-weight:600;line-height:1.35;margin-bottom:8px}
@media (min-width:768px){.step h3{font-size:22px}}
.step p{font-size:15px;line-height:1.85;color:var(--graphite);max-width:38em}

.guide-aside{position:relative}
@media (min-width:1024px){.guide-aside{position:sticky;top:104px}}
.side-card{
  background:var(--white);border:1px solid var(--mist);
  border-radius:var(--radius-card);padding:26px 24px;
}
.side-card h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:16px}
.side-list li{
  position:relative;padding-left:20px;margin-bottom:14px;
  font-size:14.5px;line-height:1.8;color:var(--graphite);
}
.side-list li:last-child{margin-bottom:0}
.side-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:1px;background:var(--lime);
}
.side-card .textlink{margin-top:22px}

/* ============ 三格序号排版 ============ */
.triple{display:grid;grid-template-columns:1fr;margin-top:36px}
@media (min-width:768px){.triple{grid-template-columns:repeat(3,1fr)}}
.triple-item{padding:26px 0;border-top:1px solid var(--mist)}
.triple-item:first-child{border-top:none;padding-top:0}
.triple-item:last-child{padding-bottom:0}
@media (min-width:768px){
  .triple-item{padding:0 32px;border-top:none;border-left:1px solid var(--mist)}
  .triple-item:first-child{border-left:none;padding-left:0;padding-top:0}
  .triple-item:last-child{padding-right:0;padding-bottom:0}
}
.triple-num{
  display:block;font-size:44px;font-weight:700;line-height:1;
  letter-spacing:-.04em;font-variant-numeric:tabular-nums;
  color:rgba(201,242,78,.72);margin-bottom:14px;
}
.triple-item h3{font-size:20px;font-weight:600;line-height:1.35;margin-bottom:8px}
.triple-item p{font-size:15px;line-height:1.8;color:var(--graphite)}

/* ============ 图文块 ============ */
.feature-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;margin-top:36px}
@media (min-width:1024px){.feature-grid{grid-template-columns:1fr 1fr;gap:56px}}
.feature-media figure{
  border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--mist);background:var(--mist);
}
.feature-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .45s var(--ease);
}
.feature-media:hover img{transform:scale(1.02)}
.feature-body h3{font-size:22px;font-weight:600;line-height:1.35;margin-bottom:14px}
@media (min-width:768px){.feature-body h3{font-size:24px}}
.feature-body p{font-size:15.5px;line-height:1.85;color:var(--graphite);margin-bottom:20px}
.dot-list li{
  position:relative;padding-left:22px;margin-bottom:14px;
  font-size:15px;line-height:1.8;color:var(--graphite);
}
.dot-list li:last-child{margin-bottom:0}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:1px;background:var(--lime);
}
.dot-list li strong{color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:36px auto 0;border-top:1px solid var(--mist)}
.faq-item{border-bottom:1px solid var(--mist)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;background:none;border:none;text-align:left;
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  transition:color .24s var(--ease);
}
@media (min-width:768px){.faq-q{font-size:18px;padding:24px 0}}
.faq-q:hover{color:var(--ink)}
.faq-q:focus-visible{outline:2px solid var(--ink);outline-offset:4px;border-radius:6px}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  transition:transform .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:1px;
}
.faq-icon::before{left:0;top:9.5px;width:20px;height:1.5px}
.faq-icon::after{left:9.5px;top:0;width:1.5px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .3s var(--ease),opacity .2s var(--ease);
}
.faq-item.is-open .faq-a{opacity:1}
.faq-a-inner{
  padding:0 0 24px;font-size:15px;line-height:1.85;
  color:var(--graphite);max-width:44em;
}

/* ============ 底部 CTA ============ */
.final-cta{
  background:var(--ink);color:var(--paper);
  border-radius:24px;
  padding:52px 24px;
  text-align:center;
}
@media (min-width:768px){.final-cta{padding:72px 48px}}
.final-cta h2{
  font-size:clamp(24px,3vw,36px);font-weight:600;letter-spacing:-.02em;
  line-height:1.25;margin-bottom:14px;color:var(--paper);
}
.final-cta p{
  font-size:15.5px;line-height:1.85;color:rgba(246,244,239,.72);
  max-width:36em;margin:0 auto 28px;
}
.final-actions{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px;
}
@media (max-width:519px){.final-actions .btn{width:100%}}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:var(--paper);
  border-radius:24px 24px 0 0;
  margin-top:var(--block);
  padding:56px 0 28px;
}
@media (min-width:768px){.site-footer{padding:64px 0 32px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-logo{
  display:inline-flex;align-items:baseline;
  font-size:17px;font-weight:700;letter-spacing:-.02em;
  color:var(--paper);margin-bottom:14px;
}
.footer-brand p{
  font-size:14.5px;line-height:1.85;
  color:rgba(246,244,239,.66);max-width:24em;margin-bottom:20px;
}
.footer-pills{display:flex;flex-wrap:wrap;gap:10px}
.footer-pills a{
  display:inline-flex;padding:7px 16px;
  border:1px solid rgba(246,244,239,.2);border-radius:var(--radius-pill);
  font-size:13px;color:var(--paper);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.footer-pills a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.footer-pills a:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.footer-col h3{
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:rgba(246,244,239,.5);margin-bottom:14px;
}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:var(--paper);
  transition:color .24s var(--ease);
}
.footer-col a:hover{color:var(--lime)}
.footer-col a:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(246,244,239,.14);
  font-size:12.5px;color:rgba(246,244,239,.55);
}

/* ============ 底部固定转化条 ============ */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:var(--ink);color:var(--paper);
  padding:11px 16px calc(11px + env(safe-area-inset-bottom));
  transform:translateY(0);
  transition:transform .4s var(--ease);
}
.convert-bar p{font-size:13.5px;line-height:1.4;color:rgba(246,244,239,.86)}
.convert-bar .bar-btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--lime);color:var(--ink);
  border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;
  padding:9px 18px;white-space:nowrap;
  transition:background .24s var(--ease);
}
.convert-bar .bar-btn:hover{background:var(--lime-deep)}
.convert-bar .bar-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
@media (min-width:768px){
  .convert-bar{
    left:auto;right:24px;bottom:24px;
    border-radius:var(--radius-pill);
    padding:10px 12px 10px 22px;
    max-width:420px;
    transform:translateY(180%);
    box-shadow:0 18px 40px -24px rgba(16,19,18,.55);
  }
  .convert-bar.is-visible{transform:translateY(0)}
}

/* ============ 动效偏好 ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .feature-media:hover img{transform:none}
}

/* roulang page: category2 */
:root{
  --paper:#F6F4EF;
  --paper-lift:#FCFBF8;
  --ink:#101312;
  --lime:#C9F24E;
  --lime-deep:#B4DE3A;
  --graphite:#5B625E;
  --mist:#E6E3D9;
  --white:#FCFBF8;
  --r-pill:999px;
  --r-btn:10px;
  --r-card:16px;
  --r-img:14px;
  --r-input:8px;
  --shadow-hover:0 18px 40px -24px rgba(16,19,18,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-cn:"HarmonyOS Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
button{font:inherit;color:inherit;cursor:pointer}
svg{display:block}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:48px;padding-right:48px}}

/* ---------- 导航 Dock ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:70;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;width:100%;max-width:1200px;height:60px;display:flex;align-items:center;gap:12px;
  padding:0 10px 0 20px;border-radius:var(--r-pill);border:1px solid var(--mist);
  background:rgba(246,244,239,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
}
@media (min-width:768px){.dock-wrap{top:24px;padding:0 24px}}
.is-scrolled .dock{background:rgba(246,244,239,.94);box-shadow:0 16px 34px -24px rgba(16,19,18,.4)}
.dock-logo{display:flex;align-items:baseline;gap:4px;font-size:16px;font-weight:700;letter-spacing:-.02em;white-space:nowrap;flex:none}
.dock-logo .logo-sub{font-size:11px;font-weight:600;color:var(--graphite);letter-spacing:.04em}
.dock-nav{display:none;align-items:center;gap:2px;margin:0 auto}
@media (min-width:1024px){.dock-nav{display:flex}}
.nav-link{position:relative;font-size:13.5px;line-height:1;color:var(--graphite);padding:10px 9px;border-radius:var(--r-pill);white-space:nowrap;transition:color .24s var(--ease)}
.nav-link::after{content:"";position:absolute;left:9px;right:9px;bottom:4px;height:2px;border-radius:2px;background:var(--lime);transform:scaleX(0);transform-origin:left center;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.dock-actions{display:flex;align-items:center;gap:6px;margin-left:auto}
@media (min-width:1024px){.dock-actions{margin-left:8px}}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border:1px solid transparent;border-radius:var(--r-pill);background:transparent;color:var(--graphite);transition:background-color .24s var(--ease),color .24s var(--ease)}
.icon-btn:hover{background:rgba(16,19,18,.06);color:var(--ink)}
.icon-btn:active{background:rgba(16,19,18,.1)}
.dock-burger{display:grid}
@media (min-width:1024px){.dock-burger{display:none}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;padding:15px 28px;border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:transform .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--lime-deep);border-color:var(--lime-deep);transform:translateY(-1px);box-shadow:0 12px 24px -18px rgba(16,19,18,.6)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:rgba(16,19,18,.05);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;position:relative}
.link-arrow::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left center;transition:transform .24s var(--ease)}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow svg{transition:transform .24s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.link-light{color:var(--white)}
.link-light:hover{color:var(--lime)}

/* ---------- 通用排版 ---------- */
.section{padding-top:56px;padding-bottom:56px}
@media (min-width:768px){.section{padding-top:80px;padding-bottom:80px}}
@media (min-width:1024px){.section{padding-top:104px;padding-bottom:104px}}
.eyebrow-line{width:24px;height:2px;background:var(--lime);margin-bottom:18px}
.h2{font-size:clamp(26px,3.2vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1.2;margin:0}
.h3{font-size:21px;font-weight:600;letter-spacing:-.01em;line-height:1.4;margin:0}
.h2-sub{margin:14px 0 0;max-width:660px;font-size:15px;line-height:1.85;color:var(--graphite)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;line-height:1;padding:6px 11px;border-radius:var(--r-pill);background:var(--mist);color:var(--ink)}
.hr{height:1px;background:var(--mist);border:0;margin:0}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--graphite);margin-bottom:24px;flex-wrap:wrap}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#b7b3a6}
.crumb .current{color:var(--graphite)}

/* ---------- Hero ---------- */
.hero{padding-top:132px;padding-bottom:8px}
@media (min-width:768px){.hero{padding-top:160px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.h1{font-size:clamp(34px,5.6vw,64px);font-weight:700;letter-spacing:-.03em;line-height:1.1;margin:0}
@media (min-width:1024px){.h1{font-size:clamp(40px,4.6vw,64px);line-height:1.06}}
.mark{
  background-image:linear-gradient(var(--lime),var(--lime));
  background-repeat:no-repeat;
  background-size:100% .26em;
  background-position:0 88%;
  padding-bottom:.03em;
}
.hero-sub{margin:20px 0 0;font-size:17px;line-height:1.8;color:var(--graphite);max-width:560px}
@media (min-width:1024px){.hero-sub{font-size:18px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;font-size:13px;color:var(--graphite)}
.trust-row .bar{width:1px;height:12px;background:var(--mist)}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--mist);background:var(--mist)}
.hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover}
@media (min-width:1024px){.hero-media img{aspect-ratio:1/1.15}}
.hero-badge{position:absolute;left:16px;bottom:16px;display:flex;align-items:baseline;gap:10px;background:var(--ink);color:var(--white);border-radius:12px;padding:14px 18px;max-width:calc(100% - 32px)}
.hero-badge .num{font-size:32px;font-weight:700;line-height:1;color:var(--lime);font-variant-numeric:tabular-nums}
.hero-badge .txt{font-size:12.5px;line-height:1.55;color:rgba(246,244,239,.82)}

/* ---------- 特性矩阵 ---------- */
.feature-matrix{display:grid;grid-template-columns:1fr;gap:1px;background:var(--mist);border-top:1px solid var(--mist);border-bottom:1px solid var(--mist);margin-top:44px}
@media (min-width:768px){.feature-matrix{grid-template-columns:1fr 1fr;margin-top:56px}}
.fm-cell{background:var(--paper);padding:28px 22px}
@media (min-width:768px){.fm-cell{padding:34px 28px}}
.fm-num{font-size:12px;font-weight:700;letter-spacing:.1em;color:#a8a49a;font-variant-numeric:tabular-nums}
.fm-cell h3{margin:14px 0 10px;font-size:20px;font-weight:600;line-height:1.35;letter-spacing:-.01em}
.fm-cell p{margin:0;font-size:15px;line-height:1.82;color:var(--graphite)}
.fm-line{width:24px;height:2px;background:var(--lime);margin-top:18px}

/* ---------- 交替图文 ---------- */
.split-stack{display:grid;gap:56px;margin-top:8px}
@media (min-width:1024px){.split-stack{gap:88px}}
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:1fr 1fr;gap:56px}.split.rev .split-media{order:2}}
.split-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--mist);background:var(--mist)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .45s var(--ease)}
.split-media:hover img{transform:scale(1.02)}
.media-tag{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:8px;background:rgba(246,244,239,.94);border:1px solid var(--mist);border-radius:var(--r-pill);padding:5px 12px;font-size:12px;font-weight:600;color:var(--ink)}
.media-dot{width:6px;height:6px;border-radius:var(--r-pill);background:var(--lime)}
.points{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:13px}
.points li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--graphite)}
.points li::before{content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;border-radius:1px;background:var(--lime)}
.split-body .h3{max-width:420px}

/* ---------- 深色速查带 ---------- */
.band{background:var(--ink);color:var(--white);border-radius:24px;padding:40px 24px}
@media (min-width:768px){.band{padding:56px 48px}}
.band-head{font-size:13px;font-weight:600;letter-spacing:.02em;color:rgba(246,244,239,.55);margin:0 0 28px}
.band-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:768px){
  .band-grid{grid-template-columns:repeat(3,1fr);gap:0}
  .band-item{padding:0 32px;border-left:1px solid rgba(246,244,239,.14)}
  .band-item:first-child{border-left:0;padding-left:0}
}
.band-num{font-size:clamp(38px,5vw,56px);font-weight:700;line-height:1;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.band-item p{margin:12px 0 0;font-size:14px;line-height:1.7;color:rgba(246,244,239,.74)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:36px auto 0;border-top:1px solid var(--mist)}
.faq-item{border-bottom:1px solid var(--mist)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;background:none;border:0;padding:22px 0;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);transition:color .24s var(--ease)}
.faq-q:hover{color:#000}
.faq-icon{flex:none;position:relative;width:22px;height:22px;transition:transform .3s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.faq-icon::before{left:0;right:0;top:10px;height:1.5px}
.faq-icon::after{top:0;bottom:0;left:10px;width:1.5px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a-inner{padding:0 0 26px;font-size:15px;line-height:1.86;color:var(--graphite);max-width:770px}

/* ---------- 底部 CTA ---------- */
.cta-block{background:var(--ink);color:var(--white);border-radius:24px;padding:52px 22px;text-align:center}
@media (min-width:768px){.cta-block{padding:80px 48px}}
.cta-block h2{margin:0;font-size:clamp(26px,3.4vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1.22;color:var(--white)}
.cta-block p{margin:18px auto 0;max-width:640px;font-size:16px;line-height:1.85;color:rgba(246,244,239,.74)}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:18px;margin-top:32px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--white);border-radius:24px 24px 0 0;margin-top:72px;padding-top:52px}
@media (min-width:768px){.site-footer{margin-top:104px;padding-top:64px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}}
.footer-logo{display:flex;align-items:center;gap:8px;font-size:19px;font-weight:700;letter-spacing:-.02em}
.logo-dot{width:8px;height:8px;border-radius:var(--r-pill);background:var(--lime);display:inline-block;flex:none}
.footer-brand p{margin:14px 0 0;max-width:330px;font-size:15px;line-height:1.8;color:rgba(246,244,239,.7)}
.footer-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-pills a{font-size:13px;padding:7px 15px;border-radius:var(--r-pill);border:1px solid rgba(246,244,239,.2);color:var(--white);transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease)}
.footer-pills a:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.footer-col h3{margin:0 0 16px;font-size:13px;font-weight:600;color:rgba(246,244,239,.5);letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(246,244,239,.86)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;border-top:1px solid rgba(246,244,239,.14);padding:22px 0 calc(22px + 68px);font-size:12.5px;color:rgba(246,244,239,.55)}
@media (min-width:768px){.footer-bottom{padding-bottom:26px}}

/* ---------- 底部转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:65;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--ink);color:var(--white);padding:10px 16px calc(10px + env(safe-area-inset-bottom));min-height:60px;
}
.sticky-cta p{margin:0;font-size:13.5px;line-height:1.45;color:rgba(246,244,239,.86)}
@media (min-width:768px){
  .sticky-cta{
    left:auto;right:24px;bottom:24px;border-radius:var(--r-pill);padding:8px 8px 8px 22px;min-height:0;
    box-shadow:0 20px 44px -26px rgba(16,19,18,.6);
    opacity:0;transform:translateY(12px);pointer-events:none;
    transition:opacity .3s var(--ease),transform .3s var(--ease);
  }
  .is-scrolled .sticky-cta{opacity:1;transform:none;pointer-events:auto}
  .sticky-cta p{font-size:13.5px;max-width:260px}
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;display:flex;flex-direction:column;
  background:var(--paper);padding:20px 20px 0;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .42s var(--ease),opacity .3s var(--ease),visibility .42s var(--ease);
}
.drawer.is-open{transform:none;opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;flex:none}
.drawer-title{font-size:16px;font-weight:700;letter-spacing:-.02em}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px;overflow-y:auto;flex:1}
.drawer-nav a{font-size:22px;font-weight:600;letter-spacing:-.01em;padding:17px 0;border-bottom:1px solid var(--mist)}
.drawer-nav a.is-active{color:var(--ink)}
.drawer-nav a.is-active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:var(--r-pill);background:var(--lime);margin-right:10px;vertical-align:middle}
.drawer-cta{flex:none;padding:18px 0 calc(20px + env(safe-area-inset-bottom))}
.drawer-cta .btn{width:100%}

/* ---------- 动效与降级 ---------- */
.reveal{opacity:0;transform:translateY(12px);animation:rise .6s var(--ease) forwards}
.reveal.d1{animation-delay:.06s}
.reveal.d2{animation-delay:.12s}
.reveal.d3{animation-delay:.18s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-delay:0ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
    --paper:#F6F4EF;
    --ink:#101312;
    --lime:#C9F24E;
    --lime-deep:#B4DE3A;
    --graphite:#5B625E;
    --fog:#E6E3D9;
    --paper-white:#FFFDF8;
    --radius-pill:999px;
    --radius-btn:10px;
    --radius-card:16px;
    --radius-img:14px;
    --radius-field:8px;
    --shadow-hover:0 18px 40px -24px rgba(16,19,18,.28);
    --ease:cubic-bezier(.2,.7,.2,1);
    --section-y:96px;
    --font-cn:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){ .container{padding-left:32px;padding-right:32px;} }
  @media (min-width:1280px){ .container{padding-left:48px;padding-right:48px;} }

  /* ---------- 浮动 Dock 导航 ---------- */
  .site-header{
    position:fixed;
    top:16px;
    left:0;
    right:0;
    z-index:60;
    padding:0 16px;
    transition:transform .3s var(--ease);
  }
  .nav-shell{
    max-width:1200px;
    margin:0 auto;
    height:60px;
    display:flex;
    align-items:center;
    gap:14px;
    padding:0 12px 0 20px;
    border-radius:var(--radius-pill);
    border:1px solid var(--fog);
    background:rgba(246,244,239,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    transition:background .3s var(--ease),box-shadow .3s var(--ease);
  }
  .site-header.is-scrolled .nav-shell{
    background:rgba(246,244,239,.88);
    box-shadow:0 14px 34px -26px rgba(16,19,18,.5);
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:16px;
    font-weight:700;
    letter-spacing:-.02em;
    white-space:nowrap;
    flex:0 0 auto;
  }
  .brand-dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--lime);
    display:inline-block;
    margin:0 1px;
  }
  .dock-nav{
    display:none;
    align-items:center;
    gap:22px;
    margin:0 auto;
  }
  .nav-link{
    position:relative;
    font-size:14px;
    color:var(--graphite);
    padding:6px 0;
    transition:color .24s var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:100%;height:1px;
    background:var(--lime-deep);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--ink);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);background:var(--lime);height:2px;}

  .nav-actions{
    display:flex;
    align-items:center;
    gap:8px;
    margin-left:auto;
    flex:0 0 auto;
  }
  .icon-btn{
    width:36px;height:36px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:var(--radius-pill);
    border:1px solid transparent;
    background:transparent;
    color:var(--graphite);
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  }
  .icon-btn:hover{background:rgba(16,19,18,.05);color:var(--ink);border-color:var(--fog);}
  .icon-btn:active{transform:translateY(1px);}
  .icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-size:15px;
    font-weight:600;
    line-height:1;
    padding:15px 28px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .btn-primary{background:var(--lime);color:var(--ink);}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px);box-shadow:0 12px 24px -18px rgba(16,19,18,.55);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
  .btn-ghost:hover{background:rgba(16,19,18,.04);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{font-size:13px;padding:10px 16px;border-radius:var(--radius-pill);}
  .btn-block{width:100%;}

  .burger{
    width:38px;height:38px;
    display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    border-radius:var(--radius-pill);
    border:1px solid var(--fog);
    background:transparent;
    transition:background .24s var(--ease);
  }
  .burger span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .2s var(--ease);}
  .burger:hover{background:rgba(16,19,18,.05);}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}

  @media (min-width:1024px){
    .site-header{top:24px;padding:0 24px;}
    .dock-nav{display:flex;}
    .burger{display:none;}
  }
  @media (min-width:1024px) and (max-width:1180px){
    .dock-nav{gap:14px;}
    .nav-link{font-size:13px;}
  }

  .drawer{
    position:fixed;
    inset:0;
    z-index:80;
    background:var(--paper);
    display:flex;
    flex-direction:column;
    padding:20px;
    transform:translateY(-100%);
    opacity:0;
    pointer-events:none;
    transition:transform .38s var(--ease),opacity .3s var(--ease);
  }
  .drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
  .drawer-close{
    width:40px;height:40px;border-radius:var(--radius-pill);
    border:1px solid var(--fog);background:transparent;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:20px;line-height:1;color:var(--ink);
  }
  .drawer-nav{display:flex;flex-direction:column;flex:1;}
  .drawer-nav a{
    font-size:22px;font-weight:600;
    padding:18px 4px;
    border-bottom:1px solid var(--fog);
    display:flex;align-items:center;justify-content:space-between;
    color:var(--ink);
  }
  .drawer-nav a.is-active{color:var(--ink);}
  .drawer-nav a.is-active::after{content:"";width:24px;height:2px;background:var(--lime);}
  .drawer-cta{padding-top:20px;}

  /* ---------- 通用版块 ---------- */
  .main{padding-top:104px;}
  @media (min-width:1024px){ .main{padding-top:120px;} }

  .section{padding-top:56px;padding-bottom:56px;}
  @media (min-width:768px){ .section{padding-top:80px;padding-bottom:80px;} }
  @media (min-width:1024px){ .section{padding-top:var(--section-y);padding-bottom:var(--section-y);} }

  .eyebrow-line{
    display:inline-block;
    width:24px;height:2px;
    background:var(--lime);
    margin-bottom:18px;
  }
  .section-title{
    font-size:clamp(26px,3.2vw,40px);
    font-weight:600;
    letter-spacing:-.02em;
    line-height:1.2;
  }
  .section-sub{
    font-size:15px;
    color:var(--graphite);
    max-width:640px;
    margin-top:14px;
  }

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--graphite);
    margin-bottom:20px;
  }
  .breadcrumb a{color:var(--graphite);transition:color .24s var(--ease);}
  .breadcrumb a:hover{color:var(--ink);}
  .breadcrumb .sep{color:#BDB9AC;}
  .breadcrumb .current{color:var(--graphite);}

  /* ---------- 页面头部 ---------- */
  .page-hero{padding-top:28px;padding-bottom:8px;}
  .hero-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  .hero-title{
    font-size:clamp(34px,5.4vw,60px);
    font-weight:700;
    line-height:1.1;
    letter-spacing:-.03em;
    margin-bottom:18px;
  }
  .hero-title em{
    font-style:normal;
    color:var(--ink);
    position:relative;
    white-space:nowrap;
  }
  .hero-title em::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:4px;
    height:.28em;
    background:var(--lime);
    z-index:-1;
    border-radius:2px;
  }
  .hero-lead{
    font-size:17px;
    color:var(--graphite);
    line-height:1.85;
    max-width:620px;
  }
  .hero-lead + .hero-lead{margin-top:12px;}
  .hero-media{
    border-radius:var(--radius-img);
    overflow:hidden;
    border:1px solid var(--fog);
    background:var(--fog);
  }
  .hero-media img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:transform .45s var(--ease);
  }
  .hero-media:hover img{transform:scale(1.02);}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:1.15fr .85fr;gap:48px;}
    .hero-media img{aspect-ratio:4/3.4;}
  }

  .hero-facts{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:14px;
    margin-top:26px;
    font-size:13px;
    color:var(--graphite);
  }
  .hero-facts .divider{width:1px;height:12px;background:var(--fog);}
  .hero-facts strong{
    color:var(--ink);
    font-weight:600;
    font-variant-numeric:tabular-nums;
  }

  /* ---------- 标签筛选 ---------- */
  .filter-bar{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:32px;
    padding-top:24px;
    border-top:1px solid var(--fog);
  }
  .tag{
    display:inline-flex;
    align-items:center;
    padding:8px 16px;
    border-radius:var(--radius-pill);
    border:1px solid var(--fog);
    background:transparent;
    font-size:13px;
    font-weight:600;
    color:var(--graphite);
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
  }
  .tag:hover{color:var(--ink);border-color:#D5D1C4;transform:translateY(-1px);}
  .tag.is-on{background:var(--lime);border-color:var(--lime);color:var(--ink);}
  .tag.is-on:hover{background:var(--lime-deep);border-color:var(--lime-deep);}

  /* ---------- 时间线 ---------- */
  .timeline{margin-top:8px;}
  .year-group{
    display:grid;
    grid-template-columns:1fr;
    gap:8px;
    padding:36px 0;
    border-top:1px solid var(--fog);
  }
  .year-group:first-of-type{border-top:none;}
  .year-mark{
    font-size:48px;
    font-weight:700;
    letter-spacing:-.04em;
    line-height:1;
    color:#DCD8CB;
    font-variant-numeric:tabular-nums;
    user-select:none;
  }
  .year-note{
    font-size:13px;
    color:var(--graphite);
    margin-top:6px;
  }
  .update-list{display:flex;flex-direction:column;}
  .update-item{
    display:grid;
    grid-template-columns:1fr auto;
    gap:8px 20px;
    align-items:start;
    padding:20px 12px 20px 0;
    border-bottom:1px solid var(--fog);
    transition:background .24s var(--ease),padding-left .24s var(--ease);
  }
  .update-item:last-child{border-bottom:none;}
  .update-item:hover{background:rgba(16,19,18,.035);padding-left:12px;border-radius:8px;}
  .update-item:hover .update-arrow{transform:translateX(4px);color:var(--ink);}
  .update-date{
    font-size:13px;
    color:var(--graphite);
    font-variant-numeric:tabular-nums;
    font-weight:600;
    grid-column:1;
  }
  .update-title{
    font-size:18px;
    font-weight:600;
    line-height:1.35;
    letter-spacing:-.01em;
    grid-column:1;
  }
  .update-desc{
    font-size:14px;
    color:var(--graphite);
    line-height:1.75;
    grid-column:1;
  }
  .update-arrow{
    grid-row:1 / span 3;
    grid-column:2;
    align-self:center;
    color:#B9B5A8;
    transition:transform .24s var(--ease),color .24s var(--ease);
  }
  .update-arrow svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .update-badge{
    display:inline-flex;
    align-items:center;
    font-size:11px;
    font-weight:600;
    padding:3px 10px;
    border-radius:var(--radius-pill);
    background:var(--fog);
    color:var(--ink);
    margin-right:8px;
    vertical-align:middle;
    letter-spacing:0;
  }
  @media (min-width:900px){
    .year-group{grid-template-columns:180px 1fr;gap:40px;padding:44px 0;}
    .year-mark{position:sticky;top:110px;}
    .update-item{grid-template-columns:96px 1fr auto;align-items:center;padding:22px 8px 22px 0;}
    .update-item:hover{padding-left:16px;}
    .update-date{grid-column:1;grid-row:1;}
    .update-main{grid-column:2;grid-row:1;}
    .update-arrow{grid-column:3;grid-row:1;}
    .update-title{font-size:19px;}
  }
  .update-main{grid-column:1;display:flex;flex-direction:column;gap:6px;}

  /* ---------- 说明三连 ---------- */
  .policy-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:0;
    margin-top:40px;
    border-top:1px solid var(--fog);
  }
  .policy-item{
    padding:28px 0;
    border-bottom:1px solid var(--fog);
  }
  .policy-num{
    font-size:34px;
    font-weight:700;
    line-height:1;
    color:#DCD8CB;
    font-variant-numeric:tabular-nums;
    letter-spacing:-.03em;
  }
  .policy-item h3{
    font-size:20px;
    font-weight:600;
    margin:14px 0 8px;
  }
  .policy-item p{
    font-size:15px;
    color:var(--graphite);
    line-height:1.8;
  }
  @media (min-width:768px){
    .policy-grid{grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--fog);}
    .policy-item{padding:32px 32px 32px 0;border-bottom:none;border-right:1px solid var(--fog);}
    .policy-item:last-child{border-right:none;padding-right:0;}
    .policy-item:not(:first-child){padding-left:32px;}
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px;margin-top:36px;}
  .faq-item{border-bottom:1px solid var(--fog);}
  .faq-item:first-child{border-top:1px solid var(--fog);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    min-height:64px;
    padding:16px 4px;
    background:transparent;
    border:none;
    text-align:left;
    font-size:18px;
    font-weight:600;
    color:var(--ink);
    line-height:1.5;
    transition:color .24s var(--ease);
  }
  .faq-q:hover{color:#2C332F;}
  .faq-icon{
    flex:0 0 auto;
    width:22px;height:22px;
    position:relative;
    transition:transform .3s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";
    position:absolute;
    background:var(--ink);
    border-radius:2px;
  }
  .faq-icon::before{left:0;top:10px;width:22px;height:1.6px;}
  .faq-icon::after{top:0;left:10px;width:1.6px;height:22px;}
  .faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
  .faq-a{
    overflow:hidden;
    max-height:0;
    opacity:0;
    transition:max-height .35s var(--ease),opacity .25s var(--ease);
  }
  .faq-a-inner{
    padding:0 4px 24px;
    font-size:15px;
    color:var(--graphite);
    line-height:1.85;
    max-width:760px;
  }
  .faq-a.is-open{opacity:1;}

  /* ---------- 底部 CTA ---------- */
  .cta-band{
    background:var(--ink);
    color:var(--paper);
    border-radius:24px;
    padding:56px 24px;
    text-align:center;
    margin:0 auto;
  }
  .cta-band h2{
    font-size:clamp(26px,3.4vw,40px);
    font-weight:600;
    letter-spacing:-.02em;
    line-height:1.25;
    max-width:760px;
    margin:0 auto;
  }
  .cta-band p{
    font-size:16px;
    color:rgba(246,244,239,.72);
    margin:16px auto 0;
    max-width:620px;
    line-height:1.8;
  }
  .cta-actions{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:center;
    gap:16px;
    margin-top:30px;
  }
  .cta-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:15px;
    font-weight:600;
    color:var(--paper);
    position:relative;
    padding-bottom:2px;
  }
  .cta-link::after{
    content:"";
    position:absolute;left:0;bottom:0;width:100%;height:1px;
    background:var(--lime);
    transform:scaleX(0);transform-origin:left center;
    transition:transform .24s var(--ease);
  }
  .cta-link:hover::after{transform:scaleX(1);}
  .cta-link:hover svg{transform:translateX(3px);}
  .cta-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .24s var(--ease);}
  @media (min-width:768px){ .cta-band{padding:72px 48px;} }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:var(--paper);
    margin-top:64px;
    border-radius:24px 24px 0 0;
    padding:56px 0 24px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
  }
  .footer-logo{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:17px;
    font-weight:700;
    letter-spacing:-.02em;
    color:var(--paper);
    margin-bottom:14px;
  }
  .logo-dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--lime);
    display:inline-block;
  }
  .footer-brand p{
    font-size:15px;
    color:rgba(246,244,239,.66);
    line-height:1.8;
    max-width:340px;
  }
  .footer-pills{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:20px;
  }
  .footer-pills a{
    font-size:13px;
    font-weight:600;
    padding:8px 16px;
    border-radius:var(--radius-pill);
    border:1px solid rgba(246,244,239,.18);
    color:var(--paper);
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  }
  .footer-pills a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
  .footer-col h3{
    font-size:13px;
    font-weight:600;
    color:rgba(246,244,239,.5);
    letter-spacing:.02em;
    margin-bottom:14px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    font-size:14px;
    color:var(--paper);
    transition:color .24s var(--ease);
  }
  .footer-col a:hover{color:var(--lime);}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    justify-content:space-between;
    margin-top:44px;
    padding-top:20px;
    border-top:1px solid rgba(246,244,239,.14);
    font-size:12.5px;
    color:rgba(246,244,239,.56);
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
  }

  /* ---------- 底部固定转化条 ---------- */
  .mobile-bar{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:55;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    height:60px;
    padding:0 16px calc(env(safe-area-inset-bottom,0px));
    background:var(--ink);
    color:var(--paper);
  }
  .mobile-bar span{font-size:14px;line-height:1.4;}
  .mobile-bar .btn{flex:0 0 auto;}

  .float-cta{
    position:fixed;
    right:24px;bottom:24px;
    z-index:55;
    display:none;
    align-items:center;
    gap:8px;
    padding:14px 24px;
    border-radius:var(--radius-pill);
    background:var(--lime);
    color:var(--ink);
    font-size:14px;
    font-weight:600;
    box-shadow:0 18px 40px -24px rgba(16,19,18,.6);
    opacity:0;
    transform:translateY(10px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),background .24s var(--ease);
    pointer-events:none;
  }
  .float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
  .float-cta:hover{background:var(--lime-deep);transform:translateY(-1px);}
  @media (min-width:1024px){
    .mobile-bar{display:none;}
    .float-cta{display:inline-flex;}
  }

  /* ---------- 动效 ---------- */
  .reveal{
    opacity:0;
    transform:translateY(12px);
    animation:revealIn .6s var(--ease) forwards;
  }
  .reveal-2{animation-delay:.06s;}
  .reveal-3{animation-delay:.12s;}
  .reveal-4{animation-delay:.18s;}
  @keyframes revealIn{to{opacity:1;transform:translateY(0);}}

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
    .reveal{opacity:1;transform:none;}
    .hero-media:hover img{transform:none;}
    .update-item:hover{padding-left:0;}
    .card:hover{transform:none;}
  }

  @media (max-width:767px){
    .float-cta{display:none !important;}
    body{padding-bottom:60px;}
  }

/* roulang page: category4 */
:root{
    --paper:#F6F4EF;
    --ink:#101312;
    --lime:#C9F24E;
    --lime-deep:#B4DE3A;
    --graphite:#5B625E;
    --mist:#E6E3D9;
    --card:#FCFBF7;
    --radius-dock:999px;
    --radius-btn:10px;
    --radius-card:16px;
    --radius-img:14px;
    --radius-input:8px;
    --shadow-hover:0 18px 40px -24px rgba(16,19,18,.28);
    --ease:cubic-bezier(.2,.7,.2,1);
    --gutter:20px;
    --section-gap:56px;
  }
  @media (min-width:768px){
    :root{--gutter:32px;--section-gap:80px}
  }
  @media (min-width:1280px){
    :root{--gutter:48px;--section-gap:96px}
  }

  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  img{max-width:100%;display:block}
  a{color:inherit}
  button{font:inherit;color:inherit}

  .page-body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
    padding-top:96px;
    padding-bottom:0;
    overflow-x:hidden;
  }
  @media (min-width:768px){
    .page-body{padding-top:112px}
  }
  @media (max-width:767px){
    .page-body{padding-bottom:84px}
  }

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}

  /* ============ 浮动 Dock 导航 ============ */
  .dock-shell{
    position:fixed;
    top:14px;
    left:0;right:0;
    z-index:70;
    padding-left:16px;padding-right:16px;
    pointer-events:none;
  }
  @media (min-width:768px){
    .dock-shell{top:24px;padding-left:24px;padding-right:24px}
  }
  .dock-inner{
    pointer-events:auto;
    max-width:1200px;
    margin:0 auto;
    height:60px;
    display:flex;
    align-items:center;
    gap:12px;
    padding:0 12px 0 16px;
    border-radius:var(--radius-dock);
    background:rgba(246,244,239,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--mist);
    transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
  }
  .dock-inner.is-scrolled{
    background:rgba(246,244,239,.86);
    box-shadow:var(--shadow-hover);
  }
  .brand{
    display:flex;align-items:center;gap:8px;
    text-decoration:none;color:var(--ink);
    font-weight:700;font-size:16px;letter-spacing:-.02em;
    white-space:nowrap;flex:none;
  }
  .brand-mark{
    width:10px;height:10px;border-radius:3px;background:var(--lime);
    display:inline-block;flex:none;
  }
  .brand-sub{color:var(--graphite);font-weight:600;font-size:12.5px;margin-left:2px}
  .dock-nav{display:none;align-items:center;gap:2px;margin-left:auto}
  @media (min-width:1080px){
    .dock-nav{display:flex}
  }
  .nav-link{
    position:relative;
    padding:8px 10px;
    font-size:14px;
    color:var(--graphite);
    text-decoration:none;
    border-radius:var(--radius-dock);
    transition:color .24s var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
    background:var(--lime);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--ink)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
  .nav-link.is-active{color:var(--ink);font-weight:600}
  .nav-link.is-active::after{transform:scaleX(1)}
  .dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
  @media (min-width:1080px){
    .dock-actions{margin-left:6px}
  }
  .icon-btn{
    width:38px;height:38px;flex:none;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:999px;border:1px solid var(--mist);background:transparent;
    cursor:pointer;transition:background-color .24s var(--ease),border-color .24s var(--ease);
  }
  .icon-btn:hover{background:rgba(16,19,18,.05)}
  .icon-btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
  .icon-btn svg{width:17px;height:17px;stroke:var(--ink)}
  .menu-btn{display:inline-flex}
  @media (min-width:1080px){.menu-btn{display:none}}
  .dock-cta{display:none}
  @media (min-width:640px){.dock-cta{display:inline-flex}}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:600;line-height:1;
    padding:14px 26px;
    border-radius:var(--radius-btn);
    text-decoration:none;border:1px solid transparent;cursor:pointer;
    transition:background-color .24s var(--ease),transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px)}
  .btn-primary:active{transform:none}
  .btn-primary:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
  .btn-ghost:hover{background:rgba(16,19,18,.04);transform:translateY(-1px)}
  .btn-ghost:active{transform:none}
  .btn-ghost:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
  .btn-sm{padding:11px 18px;font-size:14px}
  .btn-block{width:100%}

  .link-arrow{
    position:relative;display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--ink);text-decoration:none;
    padding-bottom:2px;
  }
  .link-arrow::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:var(--lime);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .link-arrow:hover::after{transform:scaleX(1)}
  .link-arrow .arw{transition:transform .24s var(--ease)}
  .link-arrow:hover .arw{transform:translateX(3px)}
  .link-arrow:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

  /* ============ 页面头部 ============ */
  .page-hero{
    position:relative;
    padding-top:calc(var(--section-gap) * .55);
    padding-bottom:calc(var(--section-gap) * .6);
    overflow:hidden;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-1.png') center right/cover no-repeat;
    opacity:.16;
    pointer-events:none;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(246,244,239,.96) 0%,rgba(246,244,239,.82) 55%,rgba(246,244,239,.55) 100%);
    pointer-events:none;
  }
  .page-hero .container{position:relative;z-index:2}
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--graphite);margin-bottom:22px;
  }
  .crumbs a{color:var(--graphite);text-decoration:none;transition:color .24s var(--ease)}
  .crumbs a:hover{color:var(--ink)}
  .crumbs a:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
  .crumbs .sep{opacity:.55}
  .crumbs .current{color:var(--ink);font-weight:600}
  .rule-line{display:inline-block;width:24px;height:2px;background:var(--lime);margin-bottom:18px}
  .hero-title{
    font-size:clamp(30px,4.6vw,52px);
    font-weight:700;line-height:1.14;letter-spacing:-.03em;
    margin:0 0 18px;max-width:20ch;
  }
  .hero-lead{
    font-size:17px;line-height:1.9;color:var(--graphite);
    max-width:60ch;margin:0;
  }
  .hero-tags{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
    margin-top:26px;font-size:13px;color:var(--graphite);
  }
  .hero-tags span{display:inline-flex;align-items:center;gap:8px}
  .hero-tags span::before{
    content:"";width:6px;height:6px;background:var(--lime);border-radius:2px;display:inline-block;
  }
  .hero-tags .divide{width:1px;height:12px;background:var(--mist);display:inline-block}
  .hero-tags span::before{order:1}

  /* ============ 搜索 ============ */
  .search-shell{margin-top:34px;max-width:620px}
  .search-label{display:block;font-size:13px;color:var(--graphite);margin-bottom:6px}
  .search-box{
    position:relative;display:flex;align-items:center;gap:10px;
    border-bottom:1px solid var(--mist);
    padding-bottom:10px;
    transition:border-color .24s var(--ease);
  }
  .search-box::after{
    content:"";position:absolute;left:0;bottom:-1px;height:2px;width:0;
    background:var(--lime);
    transition:width .3s var(--ease);
  }
  .search-box:focus-within{border-bottom-color:var(--ink)}
  .search-box:focus-within::after{width:56px}
  .search-box svg{width:18px;height:18px;flex:none;stroke:var(--graphite)}
  .search-box input{
    flex:1;min-width:0;border:0;background:transparent;
    font-family:inherit;font-size:15px;line-height:1.6;color:var(--ink);
    padding:6px 0;outline:none;border-radius:var(--radius-input);
  }
  .search-box input::placeholder{color:#9ba19c}

  /* ============ 通用板块 ============ */
  .section{padding-top:var(--section-gap);padding-bottom:0}
  .section-head{max-width:780px;margin-bottom:clamp(28px,4vw,44px)}
  .section-title{
    font-size:clamp(24px,3vw,36px);
    font-weight:600;line-height:1.22;letter-spacing:-.02em;
    margin:0 0 12px;
  }
  .section-desc{font-size:15px;line-height:1.85;color:var(--graphite);margin:0;max-width:66ch}

  /* ============ FAQ ============ */
  .faq-list{max-width:880px;border-top:1px solid var(--mist)}
  .faq-item{border-bottom:1px solid var(--mist)}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:20px 2px;
    background:transparent;border:0;text-align:left;cursor:pointer;
    font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
    transition:color .24s var(--ease);
  }
  @media (min-width:768px){
    .faq-q{font-size:18px;min-height:64px;padding:18px 2px}
  }
  .faq-q:hover{color:#000}
  .faq-q:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}
  .faq-icon{position:relative;width:18px;height:18px;flex:none;transition:transform .3s var(--ease)}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--ink);border-radius:2px;
  }
  .faq-icon::before{left:0;top:8px;width:18px;height:1.5px}
  .faq-icon::after{top:0;left:8px;width:1.5px;height:18px}
  .faq-item.open .faq-icon{transform:rotate(45deg)}
  .faq-a{
    display:grid;grid-template-rows:0fr;
    transition:grid-template-rows .3s var(--ease);
  }
  .faq-a > div{overflow:hidden}
  .faq-a p{
    margin:0;
    padding:4px 40px 26px 2px;
    font-size:15px;line-height:1.9;color:var(--graphite);
    opacity:0;transition:opacity .25s var(--ease);
  }
  .faq-item.open .faq-a{grid-template-rows:1fr}
  .faq-item.open .faq-a p{opacity:1}

  /* ============ 未解决提示条 ============ */
  .help-strip{
    max-width:880px;
    margin-top:32px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 20px;
    border:1px solid var(--mist);border-radius:var(--radius-card);
    background:rgba(255,255,255,.55);
    padding:22px 24px;
  }
  .help-strip p{margin:0;font-size:15px;line-height:1.8;color:var(--graphite)}
  .help-strip strong{color:var(--ink);font-weight:600}

  /* ============ 处理顺序 ============ */
  .steps-grid{
    display:grid;gap:28px;grid-template-columns:1fr;
  }
  @media (min-width:768px){
    .steps-grid{grid-template-columns:repeat(3,1fr);gap:0}
    .steps-grid .step{padding:0 28px;border-left:1px solid var(--mist)}
    .steps-grid .step:first-child{padding-left:0;border-left:0}
    .steps-grid .step:last-child{padding-right:0}
  }
  .step-num{
    font-size:clamp(38px,4.6vw,60px);
    font-weight:700;line-height:1;color:var(--mist);
    font-variant-numeric:tabular-nums;letter-spacing:-.03em;
    margin-bottom:12px;
  }
  .step h3{font-size:20px;font-weight:600;line-height:1.4;margin:0 0 8px}
  .step p{margin:0;font-size:15px;line-height:1.85;color:var(--graphite)}

  /* ============ 按主题继续查看 ============ */
  .topic-grid{display:grid;gap:32px;grid-template-columns:1fr}
  @media (min-width:900px){
    .topic-grid{grid-template-columns:5fr 7fr;gap:48px;align-items:start}
  }
  .topic-figure{
    position:relative;border-radius:var(--radius-img);overflow:hidden;
    border:1px solid var(--mist);background:var(--mist);
    aspect-ratio:4/3;
  }
  .topic-figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
  .topic-figure:hover img{transform:scale(1.02)}
  .topic-badge{
    position:absolute;left:14px;bottom:14px;
    display:inline-flex;align-items:center;gap:8px;
    background:var(--ink);color:var(--paper);
    font-size:12px;font-weight:600;
    padding:7px 12px;border-radius:var(--radius-dock);
  }
  .topic-badge::before{content:"";width:6px;height:6px;background:var(--lime);border-radius:50%}
  .topic-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--mist)}
  .topic-list li{border-bottom:1px solid var(--mist)}
  .topic-list a{
    display:flex;align-items:center;gap:14px;
    padding:16px 4px;text-decoration:none;color:var(--ink);
    transition:padding .24s var(--ease),color .24s var(--ease);
  }
  .topic-list a:hover{padding-left:10px}
  .topic-list a:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}
  .topic-list .t-main{flex:1;min-width:0}
  .topic-list .t-title{display:block;font-size:16px;font-weight:600;line-height:1.5}
  .topic-list .t-desc{display:block;font-size:13px;color:var(--graphite);line-height:1.7;margin-top:2px}
  .topic-list .t-arw{flex:none;font-size:16px;color:var(--graphite);transition:transform .24s var(--ease),color .24s var(--ease)}
  .topic-list a:hover .t-arw{transform:translateX(3px);color:var(--ink)}

  /* ============ 底部 CTA ============ */
  .cta-wrap{padding-top:var(--section-gap)}
  .cta-block{
    background:var(--ink);color:var(--paper);
    border-radius:24px;
    padding:clamp(34px,5.5vw,68px) clamp(22px,4vw,56px);
    text-align:center;
  }
  .cta-block h2{
    font-size:clamp(24px,3.4vw,38px);
    font-weight:600;line-height:1.25;letter-spacing:-.02em;
    margin:0 0 14px;
  }
  .cta-block p{
    margin:0 auto 30px;max-width:56ch;
    font-size:16px;line-height:1.85;color:rgba(246,244,239,.72);
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
  .cta-block .link-arrow{color:rgba(246,244,239,.86);font-size:14px}
  .cta-block .link-arrow:hover{color:var(--paper)}
  .cta-block .link-arrow:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink);color:var(--paper);
    border-radius:24px 24px 0 0;
    margin-top:var(--section-gap);
    padding-top:56px;padding-bottom:28px;
  }
  .footer-grid{
    display:grid;gap:36px;grid-template-columns:1fr;
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  }
  .footer-logo{
    font-size:18px;font-weight:700;letter-spacing:-.02em;
    display:flex;align-items:center;gap:6px;flex-wrap:wrap;
    margin-bottom:14px;
  }
  .logo-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}
  .footer-brand p{
    margin:0 0 18px;font-size:15px;line-height:1.85;
    color:rgba(246,244,239,.68);max-width:34ch;
  }
  .footer-pills{display:flex;flex-wrap:wrap;gap:10px}
  .footer-pills a{
    display:inline-flex;align-items:center;
    font-size:13px;text-decoration:none;
    color:var(--paper);
    border:1px solid rgba(246,244,239,.22);
    border-radius:var(--radius-dock);
    padding:6px 14px;
    transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
  }
  .footer-pills a:hover{color:var(--lime);border-color:rgba(201,242,78,.5);background:rgba(201,242,78,.06)}
  .footer-col h3{
    font-size:13px;font-weight:600;
    color:rgba(246,244,239,.5);
    margin:0 0 14px;letter-spacing:.02em;
  }
  .footer-col ul{list-style:none;margin:0;padding:0}
  .footer-col li{margin-bottom:10px}
  .footer-col a{
    font-size:14px;color:rgba(246,244,239,.88);
    text-decoration:none;transition:color .24s var(--ease);
  }
  .footer-col a:hover{color:var(--lime)}
  .footer-col a:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
  .footer-bottom{
    margin-top:36px;padding-top:20px;
    border-top:1px solid rgba(246,244,239,.14);
    display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
    font-size:12.5px;color:rgba(246,244,239,.55);
  }

  /* ============ 底部固定转化条 ============ */
  .float-bar{
    position:fixed;right:24px;bottom:24px;z-index:60;
    display:flex;align-items:center;gap:16px;
    background:var(--ink);color:var(--paper);
    padding:10px 10px 10px 20px;
    border-radius:var(--radius-dock);
    box-shadow:0 18px 40px -24px rgba(16,19,18,.55);
    opacity:0;transform:translateY(12px);pointer-events:none;
    transition:opacity .3s var(--ease),transform .3s var(--ease);
  }
  .float-bar.is-show{opacity:1;transform:none;pointer-events:auto}
  .float-bar .bar-text{font-size:14px;line-height:1.4;color:rgba(246,244,239,.86);white-space:nowrap}
  .float-bar .btn{padding:10px 18px;font-size:14px;flex:none}
  @media (max-width:767px){
    .float-bar{
      left:0;right:0;bottom:0;
      justify-content:space-between;gap:10px;
      border-radius:0;
      padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
      opacity:1;transform:none;pointer-events:auto;
    }
    .float-bar .bar-text{
      font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
    }
    .float-bar .btn{padding:10px 16px;font-size:13px}
  }

  /* ============ 抽屉菜单 ============ */
  .drawer{
    position:fixed;inset:0;z-index:90;
    background:var(--paper);
    display:flex;flex-direction:column;
    padding:18px var(--gutter) calc(20px + env(safe-area-inset-bottom,0px));
  }
  .drawer[hidden]{display:none}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding-bottom:14px;border-bottom:1px solid var(--mist);
  }
  .drawer-brand{
    font-size:16px;font-weight:700;letter-spacing:-.02em;color:var(--ink);
  }
  .drawer-brand span{color:var(--graphite);font-weight:600;font-size:12.5px;margin-left:4px}
  .drawer-close{
    width:40px;height:40px;flex:none;border-radius:999px;
    border:1px solid var(--mist);background:transparent;
    display:inline-flex;align-items:center;justify-content:center;
    cursor:pointer;font-size:20px;line-height:1;color:var(--ink);
  }
  .drawer-close:hover{background:rgba(16,19,18,.05)}
  .drawer-close:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
  .drawer-nav{
    display:flex;flex-direction:column;
    margin-top:6px;overflow-y:auto;flex:1;
  }
  .drawer-nav a{
    display:flex;align-items:center;
    font-size:22px;font-weight:600;color:var(--ink);
    text-decoration:none;padding:16px 0;
    border-bottom:1px solid var(--mist);
    transition:color .24s var(--ease);
  }
  .drawer-nav a.is-active::before{
    content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);
    margin-right:10px;flex:none;
  }
  .drawer-cta{padding-top:16px}
  body.drawer-open{overflow:hidden}

  /* ============ 动效降级 ============ */
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{
      transition-duration:.001ms !important;
      animation-duration:.001ms !important;
    }
    .topic-figure:hover img{transform:none}
    .btn:hover{transform:none}
    .topic-list a:hover{padding-left:4px}
  }

/* roulang page: category5 */
:root{
    --paper:#F6F4EF;
    --card:#FBFAF6;
    --ink:#101312;
    --lime:#C9F24E;
    --lime-deep:#B4DE3A;
    --graphite:#5B625E;
    --mist:#E6E3D9;
    --r-pill:999px;
    --r-btn:10px;
    --r-card:16px;
    --r-img:14px;
    --r-input:8px;
    --shadow-hover:0 18px 40px -24px rgba(16,19,18,.28);
    --ease:cubic-bezier(.2,.7,.2,1);
    --gap-section:56px;
    --line-dark:rgba(246,244,239,.14);
  }
  @media (min-width:768px){:root{--gap-section:80px}}
  @media (min-width:1280px){:root{--gap-section:104px}}

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{margin:0}
  h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0}
  ul,ol{list-style:none;padding:0}
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  input,textarea,select{font:inherit;color:inherit}
  :focus-visible{outline:2px solid var(--ink);outline-offset:3px}
  .final-cta :focus-visible,.site-footer :focus-visible,.sticky-cta :focus-visible,.drawer :focus-visible{outline-color:var(--lime)}

  .page-body{
    font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--paper);
    color:var(--ink);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    overflow-x:hidden;
  }
  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
  @media (min-width:1280px){.container{padding-left:48px;padding-right:48px}}

  /* ============ Dock 导航 ============ */
  .site-header{position:fixed;top:0;left:0;right:0;z-index:60;padding-top:16px;pointer-events:none}
  @media (min-width:768px){.site-header{padding-top:24px}}
  .dock{
    pointer-events:auto;
    width:calc(100% - 24px);
    max-width:1200px;
    margin:0 auto;
    min-height:56px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:8px 10px 8px 18px;
    border-radius:var(--r-pill);
    background:rgba(246,244,239,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--mist);
    transition:background .3s var(--ease),box-shadow .3s var(--ease);
  }
  @media (min-width:768px){.dock{min-height:60px;padding:0 12px 0 24px;width:calc(100% - 48px)}}
  .dock.is-scrolled{background:rgba(246,244,239,.86);box-shadow:0 14px 34px -22px rgba(16,19,18,.45)}
  .dock-logo{
    display:inline-flex;
    align-items:center;
    gap:4px;
    font-size:14px;
    font-weight:700;
    letter-spacing:-.02em;
    white-space:nowrap;
    color:var(--ink);
  }
  @media (min-width:768px){.dock-logo{font-size:16px}}
  .logo-dot{width:5px;height:5px;border-radius:50%;background:var(--lime);display:inline-block;flex:0 0 5px}
  .dock-nav{display:none;align-items:center;gap:22px}
  @media (min-width:1080px){.dock-nav{display:flex}}
  .nav-link{
    position:relative;
    font-size:14px;
    color:var(--graphite);
    padding:6px 0;
    transition:color .24s var(--ease);
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-2px;
    height:1px;
    width:0;
    background:var(--lime);
    transition:width .24s var(--ease);
  }
  .nav-link:hover{color:var(--ink)}
  .nav-link:hover::after{width:100%}
  .nav-link.is-active{color:var(--ink);font-weight:600}
  .nav-link.is-active::after{width:100%;height:2px;bottom:-4px}
  .dock-actions{display:flex;align-items:center;gap:6px}
  .icon-btn{
    width:36px;height:36px;border-radius:var(--r-pill);
    display:inline-flex;align-items:center;justify-content:center;
    color:var(--graphite);
    transition:background .24s var(--ease),color .24s var(--ease);
  }
  .icon-btn:hover{background:rgba(16,19,18,.06);color:var(--ink)}
  .icon-btn:active{transform:scale(.96)}
  .menu-btn{display:inline-flex}
  @media (min-width:1080px){.menu-btn{display:none}}
  .dock-cta{display:none}
  @media (min-width:640px){.dock-cta{display:inline-flex}}

  /* ============ 按钮 / 标签 / 链接 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;
    border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1.4;
    border:1px solid transparent;
    transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
  }
  .btn:active{transform:translateY(0)}
  .btn-lime{background:var(--lime);color:var(--ink)}
  .btn-lime:hover{background:var(--lime-deep);transform:translateY(-1px)}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
  .btn-ghost:hover{background:rgba(16,19,18,.04);transform:translateY(-1px)}
  .btn-outline-light{background:transparent;color:var(--paper);border-color:rgba(246,244,239,.4)}
  .btn-outline-light:hover{background:rgba(246,244,239,.1);border-color:rgba(246,244,239,.7);transform:translateY(-1px)}
  .btn-sm{padding:10px 18px;font-size:14px;border-radius:var(--r-pill)}
  .badge{
    display:inline-flex;align-items:center;
    padding:4px 10px;border-radius:var(--r-pill);
    background:var(--mist);color:var(--ink);
    font-size:12px;font-weight:600;line-height:1.7;
  }
  .tag{
    display:inline-flex;align-items:center;
    padding:6px 14px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.6);
    border:1px solid var(--mist);
    font-size:13px;color:var(--graphite);
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  }
  .tag:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    position:relative;
    font-size:15px;font-weight:600;color:var(--ink);
    transition:color .24s var(--ease);
  }
  .text-link::after{
    content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
    background:var(--lime);transition:width .24s var(--ease);
  }
  .text-link:hover::after{width:100%}
  .text-link .arrow{transition:transform .24s var(--ease)}
  .text-link:hover .arrow{transform:translateX(3px)}
  .rule{display:block;width:24px;height:2px;background:var(--lime);margin-bottom:16px}

  /* ============ 排版 ============ */
  .h-display{
    font-size:clamp(34px,5.4vw,62px);
    font-weight:700;line-height:1.08;letter-spacing:-.03em;
    color:var(--ink);margin:0 0 22px;
  }
  .h-display em{font-style:normal;color:var(--ink);position:relative;white-space:nowrap}
  .h-display em::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
    background:rgba(201,242,78,.55);z-index:-1;border-radius:2px;
  }
  .h-section{
    font-size:clamp(26px,3.2vw,40px);
    font-weight:600;line-height:1.2;letter-spacing:-.02em;
    margin:0 0 16px;
  }
  .h-card{font-size:21px;font-weight:600;line-height:1.35;letter-spacing:-.01em;margin:0 0 12px}
  .lead{font-size:17px;line-height:1.85;color:var(--graphite);max-width:640px;margin:0}
  .section-sub{font-size:15px;line-height:1.8;color:var(--graphite);max-width:660px;margin:0}

  /* ============ Hero ============ */
  .page-hero{padding-top:118px;padding-bottom:8px}
  @media (min-width:768px){.page-hero{padding-top:140px}}
  @media (min-width:1024px){.page-hero{padding-top:158px;padding-bottom:24px}}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--graphite);margin-bottom:22px;flex-wrap:wrap}
  .crumb a{transition:color .24s var(--ease)}
  .crumb a:hover{color:var(--ink)}
  .crumb .sep{opacity:.45}
  .crumb .current{color:var(--graphite)}
  .hero-grid{display:grid;gap:36px;align-items:center}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.18fr .82fr;gap:56px}}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
  .hero-figure{position:relative}
  .hero-figure img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--r-img);
    background:var(--mist);
  }
  .hero-stat{
    position:absolute;left:14px;bottom:14px;
    display:flex;align-items:baseline;gap:10px;
    padding:10px 16px;border-radius:12px;
    background:var(--ink);color:var(--paper);
    box-shadow:0 16px 34px -22px rgba(16,19,18,.7);
  }
  .hero-stat strong{
    font-size:24px;font-weight:700;color:var(--lime);
    font-variant-numeric:tabular-nums;line-height:1;
  }
  .hero-stat span{font-size:12.5px;color:rgba(246,244,239,.78);line-height:1.4}

  /* ============ 通用板块 ============ */
  .section{padding-top:var(--gap-section);padding-bottom:0}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}

  /* ============ 场景横幅 ============ */
  .scene{
    display:grid;gap:28px;
    padding:36px 0;
    border-top:1px solid var(--mist);
  }
  .scene:first-child{border-top:0;padding-top:0}
  @media (min-width:900px){
    .scene{grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:44px 0}
    .scene--flip .scene-media{order:2}
  }
  .scene-media{position:relative}
  .scene-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--r-img);
    background:var(--mist);
    transition:transform .45s var(--ease);
  }
  .scene-index{
    position:absolute;left:12px;bottom:2px;
    font-size:clamp(48px,7vw,88px);
    font-weight:700;line-height:1;letter-spacing:-.05em;
    color:rgba(201,242,78,.6);
    font-variant-numeric:tabular-nums;
    text-shadow:0 8px 30px rgba(16,19,18,.45);
    pointer-events:none;
  }
  .scene-body .badge{margin-bottom:14px}
  .scene-list{display:grid;gap:12px;margin:18px 0 24px}
  .scene-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--graphite)}
  .scene-list li::before{
    content:"";flex:0 0 6px;width:6px;height:6px;
    background:var(--lime);margin-top:10px;
  }
  .scene-note{font-size:13.5px;color:var(--graphite);margin:0 0 18px}

  /* ============ 场景对照 ============ */
  .compare-wrap{display:grid;gap:32px}
  @media (min-width:1024px){.compare-wrap{grid-template-columns:1.35fr .85fr;gap:56px;align-items:start}}
  .compare-list{border-top:1px solid var(--mist)}
  .compare-row{
    display:grid;gap:6px;
    padding:20px 0;
    border-bottom:1px solid var(--mist);
    transition:background .24s var(--ease),padding-left .24s var(--ease);
  }
  @media (min-width:768px){.compare-row{grid-template-columns:186px 1fr;gap:24px;align-items:baseline}}
  .compare-row:hover{background:rgba(16,19,18,.025);padding-left:10px}
  .compare-row h3{font-size:16px;font-weight:600;margin:0;line-height:1.6}
  .compare-row p{margin:0;font-size:14.5px;line-height:1.75;color:var(--graphite)}
  .note-card{
    background:var(--card);
    border:1px solid var(--mist);
    border-radius:var(--r-card);
    padding:28px 24px;
  }
  @media (min-width:768px){.note-card{padding:32px 30px}}
  .note-card .h-card{font-size:20px;margin-bottom:8px}
  .note-card > p{font-size:14px;color:var(--graphite);margin:0 0 20px}
  .note-list{display:grid;gap:14px;margin-bottom:26px}
  .note-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--graphite)}
  .note-list li::before{
    content:"";flex:0 0 12px;width:12px;height:2px;
    background:var(--lime);margin-top:11px;
  }
  .note-card .btn{width:100%}

  /* ============ FAQ ============ */
  .faq{max-width:880px}
  .faq-item{border-bottom:1px solid var(--mist)}
  .faq-item:first-child{border-top:1px solid var(--mist)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
    padding:22px 0;
    font-size:17px;font-weight:600;line-height:1.5;text-align:left;
    color:var(--ink);
    transition:color .24s var(--ease);
  }
  @media (min-width:768px){.faq-q{font-size:18px;line-height:64px;padding:0}}
  .faq-q:hover{color:var(--ink)}
  .faq-icon{
    position:relative;flex:0 0 16px;width:16px;height:16px;
    transition:transform .28s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--ink);border-radius:2px;
  }
  .faq-icon::before{left:0;top:7.25px;width:16px;height:1.5px}
  .faq-icon::after{left:7.25px;top:0;width:1.5px;height:16px}
  .faq-item.is-open .faq-icon{transform:rotate(45deg)}
  .faq-a{
    display:none;
    padding:0 0 24px;
    font-size:15px;line-height:1.85;color:var(--graphite);
    max-width:760px;
  }
  @media (min-width:768px){.faq-a{padding:12px 0 24px}}
  .faq-item.is-open .faq-a{display:block;animation:fadeUp .22s var(--ease)}
  @keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

  /* ============ 底部 CTA ============ */
  .final-cta{
    background:var(--ink);color:var(--paper);
    border-radius:24px;
    padding:52px 22px;
    text-align:center;
    margin-top:var(--gap-section);
  }
  @media (min-width:768px){.final-cta{padding:72px 48px}}
  .final-cta .h-section{color:var(--paper);margin:0 0 16px}
  .final-cta p{
    font-size:16px;line-height:1.8;
    color:rgba(246,244,239,.74);
    max-width:620px;margin:0 auto;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;margin-top:32px}
  .cta-link{color:rgba(246,244,239,.82)}
  .cta-link:hover{color:var(--lime)}
  .cta-link::after{background:var(--lime)}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:var(--gap-section);
    background:var(--ink);
    color:var(--paper);
    border-radius:24px 24px 0 0;
    padding:56px 0 96px;
  }
  @media (min-width:768px){.site-footer{padding:72px 0 40px}}
  .footer-grid{display:grid;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:40px}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px}}
  .footer-brand p{font-size:15px;line-height:1.8;color:rgba(246,244,239,.66);margin:14px 0 20px;max-width:340px}
  .footer-logo{display:inline-flex;align-items:center;gap:5px;font-size:19px;font-weight:700;letter-spacing:-.02em;color:var(--paper)}
  .footer-pills{display:flex;flex-wrap:wrap;gap:10px}
  .footer-pills a{
    display:inline-flex;padding:7px 16px;border-radius:var(--r-pill);
    border:1px solid rgba(246,244,239,.24);
    font-size:13px;color:rgba(246,244,239,.9);
    transition:border-color .24s var(--ease),color .24s var(--ease);
  }
  .footer-pills a:hover{border-color:var(--lime);color:var(--lime)}
  .footer-col h3{font-size:13px;font-weight:600;color:rgba(246,244,239,.5);margin:0 0 16px;letter-spacing:.02em}
  .footer-col ul{display:grid;gap:10px}
  .footer-col a{font-size:14px;color:rgba(246,244,239,.86);transition:color .24s var(--ease)}
  .footer-col a:hover{color:var(--lime)}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    margin-top:44px;padding-top:24px;
    border-top:1px solid var(--line-dark);
    font-size:12.5px;color:rgba(246,244,239,.55);
  }

  /* ============ 底部固定转化条 ============ */
  .sticky-cta{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:var(--ink);color:var(--paper);
    transform:translateY(0);
    transition:transform .35s var(--ease);
  }
  .sticky-cta p{font-size:13.5px;line-height:1.4;margin:0;color:rgba(246,244,239,.86)}
  .sticky-cta .btn{padding:10px 18px;font-size:14px;border-radius:var(--r-pill);flex:0 0 auto}
  @media (min-width:768px){
    .sticky-cta{
      left:auto;right:24px;bottom:24px;
      border-radius:var(--r-pill);
      padding:10px 12px 10px 22px;
      box-shadow:0 18px 40px -22px rgba(16,19,18,.7);
      transform:translateY(150%);
    }
    .sticky-cta.is-visible{transform:translateY(0)}
  }

  /* ============ 移动抽屉 ============ */
  .drawer{
    position:fixed;inset:0;z-index:80;
    background:var(--paper);
    display:flex;flex-direction:column;
    padding:20px 20px calc(20px + env(safe-area-inset-bottom));
    transform:translateX(102%);
    transition:transform .4s var(--ease);
    visibility:hidden;
  }
  .drawer.is-open{transform:translateX(0);visibility:visible}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .drawer-logo{font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:4px}
  .drawer-close{
    width:40px;height:40px;border-radius:var(--r-pill);
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--mist);
    transition:background .24s var(--ease);
  }
  .drawer-close:hover{background:rgba(16,19,18,.05)}
  .drawer-nav{display:flex;flex-direction:column;flex:1;overflow-y:auto}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 2px;
    font-size:20px;font-weight:600;
    border-bottom:1px solid var(--mist);
    transition:color .24s var(--ease);
  }
  .drawer-link:hover,.drawer-link.is-active{color:var(--ink)}
  .drawer-link.is-active::before{content:"";width:6px;height:6px;background:var(--lime);border-radius:2px;margin-right:10px}
  .drawer-link span{font-size:13px;font-weight:400;color:var(--graphite)}
  .drawer-foot{padding-top:20px}
  .drawer-foot .btn{width:100%}

  /* ============ 动效与可达性 ============ */
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
    .btn:hover,.text-link:hover .arrow,.scene-media img{transform:none !important}
  }
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}

/* roulang page: category6 */
:root{
  --paper:#F6F4EF;
  --ink:#101312;
  --lime:#C9F24E;
  --lime-deep:#B4DE3A;
  --graphite:#5B625E;
  --mist:#E6E3D9;
  --card:#FFFFFF;
  --radius-pill:999px;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:8px;
  --shadow-hover:0 18px 40px -24px rgba(16,19,18,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 48px;}}

/* ---------- Dock 导航 ---------- */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:60;padding:0 16px;pointer-events:none;}
@media(min-width:768px){.site-header{top:24px;padding:0 24px;}}
.dock{
  pointer-events:auto;
  max-width:1180px;margin:0 auto;height:60px;
  display:flex;align-items:center;gap:14px;
  padding:0 10px 0 18px;
  border:1px solid var(--mist);border-radius:var(--radius-pill);
  background:rgba(246,244,239,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.dock.is-scrolled{background:rgba(246,244,239,.86);box-shadow:0 14px 34px -22px rgba(16,19,18,.42);}
.brand{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:700;letter-spacing:-.02em;white-space:nowrap;flex:0 0 auto;}
@media(min-width:768px){.brand{font-size:17px;}}
.brand-mark{width:8px;height:8px;border-radius:2px;background:var(--lime);flex:0 0 auto;}
.dock-nav{flex:1;display:flex;align-items:center;justify-content:center;gap:2px;}
.nav-link{position:relative;font-size:14px;color:var(--graphite);padding:6px 8px;transition:color .24s var(--ease);white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:8px;right:8px;bottom:0;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);height:2px;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-pill);color:var(--graphite);transition:background .24s var(--ease),color .24s var(--ease);}
.icon-btn:hover{background:rgba(16,19,18,.05);color:var(--ink);}
.icon-btn svg{width:17px;height:17px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;padding:14px 26px;border-radius:var(--radius-btn);transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:var(--lime-deep);}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:rgba(16,19,18,.05);}
.btn-sm{padding:10px 18px;font-size:13px;border-radius:var(--radius-pill);}
.btn-block{width:100%;}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0 9px;border-radius:var(--radius-pill);}
.burger span{display:block;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease);}
.burger:hover{background:rgba(16,19,18,.05);}
@media(max-width:1099px){
  .dock-nav{display:none;}
  .dock-actions .btn-pill{display:none;}
  .burger{display:flex;}
}
@media(min-width:1100px){.burger{display:none;}}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:var(--paper);display:flex;flex-direction:column;padding:22px 20px calc(24px + env(safe-area-inset-bottom));transform:translateY(-102%);transition:transform .38s var(--ease);}
.drawer.is-open{transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;}
.drawer-brand{font-size:16px;font-weight:700;letter-spacing:-.02em;display:inline-flex;align-items:center;gap:8px;}
.drawer-close{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--mist);border-radius:var(--radius-pill);font-size:20px;line-height:1;color:var(--graphite);}
.drawer-close:hover{color:var(--ink);border-color:var(--ink);}
.drawer-links{flex:1;overflow-y:auto;}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;font-size:21px;font-weight:600;padding:16px 2px;border-bottom:1px solid var(--mist);transition:color .24s var(--ease);}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--ink);}
.drawer-links a.is-active::after{content:"";width:16px;height:2px;background:var(--lime);}
.drawer-cta{padding-top:20px;}
@media(min-width:1100px){.drawer{display:none;}}

/* ---------- 页头 ---------- */
.page-head{padding:118px 0 0;}
@media(min-width:768px){.page-head{padding:134px 0 0;}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--graphite);margin-bottom:22px;}
.crumbs a{color:var(--graphite);transition:color .24s var(--ease);}
.crumbs a:hover{color:var(--ink);}
.crumbs .sep{color:#B9B5A8;}
.crumbs .current{color:var(--graphite);}
.head-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:1024px){.head-grid{grid-template-columns:1.05fr .95fr;gap:56px;}}
.page-title{font-size:clamp(32px,5.6vw,58px);font-weight:700;line-height:1.1;letter-spacing:-.03em;max-width:16ch;}
.mark{background-image:linear-gradient(var(--lime),var(--lime));background-repeat:no-repeat;background-size:100% 10px;background-position:0 88%;padding:0 2px;}
.lead{margin-top:20px;font-size:17px;line-height:1.85;color:var(--graphite);max-width:54ch;}
@media(min-width:768px){.lead{font-size:18px;}}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.trust{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:26px;font-size:13px;color:var(--graphite);}
.trust i{display:inline-block;width:1px;height:12px;background:var(--mist);}
.head-media{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--mist);background:var(--mist);}
.head-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
@media(min-width:1024px){.head-media img{aspect-ratio:1/1.12;}}
.media-badge{position:absolute;left:14px;bottom:14px;display:flex;align-items:center;gap:12px;background:var(--ink);color:#F6F4EF;border-radius:10px;padding:12px 16px;}
.media-badge strong{font-size:24px;font-weight:600;line-height:1;font-variant-numeric:tabular-nums;}
.media-badge span{font-size:12px;line-height:1.5;color:rgba(246,244,239,.72);max-width:9ch;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
@media(min-width:768px){.section{padding:88px 0;}}
@media(min-width:1024px){.section{padding:104px 0;}}
.section-head{max-width:720px;margin-bottom:40px;}
.eyebrow-line{width:24px;height:2px;background:var(--lime);margin-bottom:18px;}
.section-title{font-size:clamp(26px,3.2vw,40px);font-weight:600;line-height:1.2;letter-spacing:-.02em;}
.section-sub{margin-top:14px;font-size:15px;line-height:1.85;color:var(--graphite);}

/* ---------- 支持卡片 + 表单 ---------- */
.support-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:1024px){.support-grid{grid-template-columns:1.12fr .88fr;gap:40px;align-items:start;}}
.card-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.card-grid{grid-template-columns:1fr 1fr;}}
.support-card{background:var(--card);border:1px solid var(--mist);border-radius:var(--radius-card);padding:24px 22px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);}
.support-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8D4C7;}
.support-card .num{display:block;font-size:13px;font-weight:600;color:#B9B5A8;letter-spacing:.08em;font-variant-numeric:tabular-nums;margin-bottom:14px;}
.support-card h3{font-size:19px;font-weight:600;line-height:1.35;margin-bottom:10px;letter-spacing:-.01em;}
.support-card p{font-size:14px;line-height:1.8;color:var(--graphite);}

.form-card{background:var(--ink);color:#F6F4EF;border-radius:var(--radius-card);padding:30px 24px 28px;}
@media(min-width:768px){.form-card{padding:34px 30px 30px;}}
.form-title{font-size:22px;font-weight:600;letter-spacing:-.02em;line-height:1.35;}
.form-sub{margin-top:10px;font-size:13.5px;line-height:1.8;color:rgba(246,244,239,.66);}
.field{margin-top:24px;}
.field label{display:block;font-size:13px;color:rgba(246,244,239,.68);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(246,244,239,.26);
  border-radius:0;padding:9px 0;font-size:15px;color:#F6F4EF;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{resize:vertical;min-height:84px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(246,244,239,.36);}
.field input:focus,.field textarea:focus{outline:none;border-bottom-color:var(--lime);box-shadow:0 2px 0 0 var(--lime);}
.field input:focus-visible,.field textarea:focus-visible{outline:none;}
.form-actions{margin-top:28px;}
.form-note{margin-top:14px;font-size:13px;line-height:1.7;color:rgba(246,244,239,.6);border-left:2px solid rgba(246,244,239,.24);padding-left:10px;}
.form-note.is-ok{color:#EAF7C4;border-left-color:var(--lime);}

/* ---------- 处理流程 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.flow{grid-template-columns:1fr 1fr;gap:26px;}}
@media(min-width:1024px){.flow{grid-template-columns:repeat(4,1fr);gap:24px;}}
.step{position:relative;padding-top:26px;border-top:1px solid var(--mist);}
.step::before{content:"";position:absolute;left:0;top:-1px;width:36px;height:2px;background:var(--lime);}
.step .idx{font-size:13px;font-weight:600;color:var(--graphite);font-variant-numeric:tabular-nums;letter-spacing:.06em;}
.step h3{font-size:19px;font-weight:600;line-height:1.35;margin:10px 0 8px;letter-spacing:-.01em;}
.step p{font-size:14px;line-height:1.8;color:var(--graphite);}

/* ---------- 图文横幅 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
@media(min-width:1024px){.feature-grid{grid-template-columns:1fr 1fr;gap:56px;}}
.feature-media{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--mist);background:var(--mist);}
.feature-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .45s var(--ease);}
.feature-media:hover img{transform:scale(1.02);}
.feature-tag{position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;gap:8px;background:rgba(246,244,239,.92);color:var(--ink);border-radius:var(--radius-pill);padding:5px 12px;font-size:12px;font-weight:600;}
.feature-tag::before{content:"";width:7px;height:7px;border-radius:var(--radius-pill);background:var(--lime);}
.feature-body h2{font-size:clamp(24px,3vw,34px);font-weight:600;line-height:1.25;letter-spacing:-.02em;}
.feature-body .section-sub{margin-top:14px;}
.list-check{margin-top:24px;display:grid;gap:14px;}
.list-check li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--graphite);}
.list-check li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:11px;background:var(--lime);border-radius:1px;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;}
.faq-item{border-bottom:1px solid var(--mist);}
.faq-item:first-child{border-top:1px solid var(--mist);}
.faq-q{display:flex;width:100%;align-items:center;justify-content:space-between;gap:20px;min-height:64px;padding:14px 0;font-size:17px;font-weight:600;text-align:left;line-height:1.5;letter-spacing:-.01em;transition:color .24s var(--ease);}
@media(min-width:768px){.faq-q{font-size:18px;}}
.faq-q:hover{color:#000;}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .3s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;}
.faq-icon::before{left:0;top:8px;width:18px;height:1.6px;}
.faq-icon::after{top:0;left:8px;width:1.6px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--graphite);max-width:72ch;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink);color:#F6F4EF;border-radius:24px;padding:48px 24px;text-align:center;}
@media(min-width:768px){.cta-band{padding:72px 48px;}}
.cta-title{font-size:clamp(24px,3.4vw,38px);font-weight:600;line-height:1.25;letter-spacing:-.02em;max-width:22ch;margin:0 auto;}
.cta-sub{margin:16px auto 0;font-size:15.5px;line-height:1.85;color:rgba(246,244,239,.7);max-width:54ch;}
.cta-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center;}
.cta-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:#F6F4EF;padding:6px 2px;position:relative;}
.cta-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);}
.cta-link:hover::after{transform:scaleX(1);}
.cta-link:hover .arrow{transform:translateX(3px);}
.arrow{display:inline-block;transition:transform .24s var(--ease);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F6F4EF;border-radius:24px 24px 0 0;margin-top:72px;padding:60px 0 26px;}
@media(min-width:768px){.site-footer{margin-top:88px;padding:72px 0 28px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}}
.footer-logo{display:flex;align-items:center;gap:8px;font-size:19px;font-weight:700;letter-spacing:-.02em;margin-bottom:16px;}
.logo-dot{width:8px;height:8px;border-radius:2px;background:var(--lime);display:inline-block;}
.footer-brand p{font-size:15px;line-height:1.85;color:rgba(246,244,239,.66);max-width:34ch;}
.footer-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.footer-pills a{font-size:13px;padding:6px 14px;border:1px solid rgba(246,244,239,.24);border-radius:var(--radius-pill);transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);}
.footer-pills a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.footer-col h3{font-size:13px;font-weight:600;color:rgba(246,244,239,.5);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#F6F4EF;transition:color .24s var(--ease);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(246,244,239,.14);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:12.5px;color:rgba(246,244,239,.55);}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--ink);color:#F6F4EF;}
.sticky-bar p{margin:0;font-size:13.5px;line-height:1.5;}
.sticky-bar .btn{flex:0 0 auto;}
@media(min-width:1024px){
  .sticky-bar{left:auto;right:24px;bottom:24px;border-radius:var(--radius-pill);padding:8px 8px 8px 22px;gap:18px;box-shadow:0 18px 40px -24px rgba(16,19,18,.55);opacity:0;transform:translateY(18px);pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease);}
  .sticky-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
  .sticky-bar p{font-size:14px;}
}
body{padding-bottom:76px;}
@media(min-width:1024px){body{padding-bottom:0;}}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .support-card:hover,.feature-media:hover img,.btn-primary:hover{transform:none;}
}