/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root{
  --brand:#FF5A2B;
  --brand-dark:#E64A1E;
  --brand-soft:#FFF1EB;
  --brand-glow:rgba(255,90,43,.28);
  --teal:#2BD9C4;
  --ink:#141628;
  --ink-2:#4E5468;
  --ink-3:#8A90A6;
  --line:#E8EAF3;
  --line-2:#E0E3EF;
  --bg:#F7F8FC;
  --card:#FFFFFF;
  --deep-1:#0F1124;
  --deep-2:#191C3C;
  --deep-3:#12142A;
  --ok:#2BB673;
  --warn:#F2A93B;
  --err:#E5484D;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh-1:0 6px 24px rgba(20,22,40,.06);
  --sh-2:0 14px 36px rgba(20,22,40,.12);
  --sh-deep:0 12px 32px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --max:1240px;
  --pad:40px;
  --sec:88px;
  --font:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ===================== Reset & Base ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.005em}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{color:var(--ink-2)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
::selection{background:var(--brand);color:#fff}

/* ===================== 容器 & 通用板块 ===================== */
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:44px;max-width:820px}
.section-head h2{margin-bottom:14px}
.section-head .lead{font-size:16px;color:var(--ink-2);max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#FF5A2B,#FF7A3D);
  color:#fff;box-shadow:0 8px 20px rgba(255,90,43,.28);
}
.btn-primary:hover{background:linear-gradient(135deg,#E64A1E,#F2682F);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,43,.36)}
.btn-primary:active{transform:translateY(0);filter:saturate(.85)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(255,90,43,.06)}
.btn-ghost:active{transform:translateY(0)}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.24);color:#fff}
.btn-on-dark:hover{border-color:var(--brand);color:#fff;background:rgba(255,90,43,.14)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px}
.link-arrow span{transition:transform .22s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}

/* ===================== 徽章 / 标签 ===================== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:700;
  background:var(--brand-soft);color:var(--brand);
}
.badge-live{background:rgba(43,217,196,.14);color:#0F8F82;border:1px solid rgba(43,217,196,.4)}
.badge-live .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(43,217,196,.18)}
.badge-dark{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2)}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:999px;
  background:#F1F3FA;color:var(--ink-2);
  font-size:12px;letter-spacing:.04em;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--brand-soft);color:var(--brand)}

/* ===================== 导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:80;
  transition:background-color .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  background:rgba(15,17,36,.72);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(10px);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 22px rgba(20,22,40,.08);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#FF5A2B,#FF7A3D);
  color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 6px 16px rgba(255,90,43,.35);
}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:-.01em;color:#fff;
  transition:color .26s var(--ease);
}
.site-header.is-scrolled .brand-text{color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.82);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1);height:3px}
.site-header.is-scrolled .nav-link{color:var(--ink-2)}
.site-header.is-scrolled .nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.site-header.is-scrolled .nav-link.is-active{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.site-header.is-scrolled .btn-on-dark{border-color:var(--line-2);color:var(--ink)}
.site-header.is-scrolled .btn-on-dark:hover{border-color:var(--brand);color:var(--brand)}
.site-header.is-scrolled .mega-trigger{color:var(--ink-2)}
.site-header.is-scrolled .mega-trigger:hover{color:var(--brand)}

/* Mega 面板 */
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.82);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.mega-trigger:hover{color:#fff;background:rgba(255,255,255,.08)}
.mega-trigger .arrow{transition:transform .24s var(--ease)}
.mega-wrap.is-open .mega-trigger,
.mega-wrap:hover .mega-trigger{color:var(--brand)}
.mega-wrap.is-open .mega-trigger .arrow,
.mega-wrap:hover .mega-trigger .arrow{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:640px;padding:24px;
  background:#fff;border-radius:var(--r-card);
  box-shadow:0 24px 60px rgba(20,22,40,.18);
  border:1px solid var(--line);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  z-index:90;
}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mega-col h4{font-size:12px;letter-spacing:.1em;color:var(--ink-3);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:14px;font-weight:600;color:var(--ink);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.mega-link:hover{background:var(--brand-soft);color:var(--brand)}
.mega-link em{font-style:normal;font-size:12px;color:var(--ink-3);font-weight:600}
.mega-item{padding:9px 12px;border-radius:10px;display:block;transition:background-color .18s var(--ease)}
.mega-item:hover{background:#F5F6FB}
.mega-item strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-item span{font-size:12px;color:var(--ink-3)}
.mega-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:14px;
}
.mega-foot img{width:118px;height:66px;object-fit:cover;border-radius:10px;flex-shrink:0}
.mega-foot p{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:2px}
.mega-foot .link-arrow{font-size:13px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid rgba(255,255,255,.2);
}
.site-header.is-scrolled .nav-toggle{border-color:var(--line-2)}
.nav-toggle i{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .24s var(--ease),opacity .2s var(--ease)}
.nav-toggle{color:#fff}
.site-header.is-scrolled .nav-toggle{color:var(--ink)}
body.drawer-open .nav-toggle i:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.drawer-open .nav-toggle i:nth-child(2){opacity:0}
body.drawer-open .nav-toggle i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 抽屉 */
.drawer{
  position:fixed;inset:72px 0 0;z-index:70;
  background:#fff;padding:24px 20px 48px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open{overflow:hidden}
body.drawer-open::after{content:"";position:fixed;inset:0;background:rgba(15,17,36,.5);z-index:60}
.drawer-group{margin-bottom:26px}
.drawer-group h4{font-size:12px;letter-spacing:.1em;color:var(--ink-3);font-weight:700;margin-bottom:10px}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid var(--line);margin-bottom:8px;color:var(--ink);
}
.drawer-link.is-active{color:var(--brand);border-color:rgba(255,90,43,.4);background:var(--brand-soft)}
.drawer-cta{margin-top:8px}

/* ===================== Hero ===================== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#0F1124 0%,#191C3C 100%);
  padding:72px 0 84px;
  margin-top:-72px;padding-top:132px;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.22;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
}
.hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(255,90,43,.26),transparent 66%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-copy{max-width:600px}
.hero-copy h1{color:#fff;margin:18px 0 16px}
.hero-sub{font-size:18px;color:rgba(255,255,255,.78);margin-bottom:30px;max-width:440px;font-weight:500}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:32px;font-weight:800;color:#fff;line-height:1;letter-spacing:-.02em}
.hero-stats b i{font-style:normal;font-size:15px;color:var(--teal);margin-left:2px;font-weight:700}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.72)}
.hero-stats em{font-style:normal;font-size:12px;color:rgba(255,255,255,.45);letter-spacing:.04em}
.hero-visual{position:relative}
.hero-visual>img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:18px;box-shadow:var(--sh-deep);
  border:1px solid rgba(255,255,255,.12);
}
.panel-card{
  position:absolute;right:-12px;bottom:-26px;width:280px;
  background:rgba(255,255,255,.97);border-radius:16px;
  box-shadow:0 20px 48px rgba(0,0,0,.4);
  border:1px solid rgba(255,255,255,.5);
  padding:16px 18px 18px;
  animation:floatCard 5.5s ease-in-out infinite;
}
@keyframes floatCard{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.panel-head{display:flex;align-items:center;gap:6px;margin-bottom:16px}
.panel-head i{width:8px;height:8px;border-radius:50%;background:var(--line-2)}
.panel-head i:nth-child(1){background:#FF5A2B}
.panel-head i:nth-child(2){background:#F2A93B}
.panel-head i:nth-child(3){background:#2BB673}
.panel-head em{font-style:normal;font-size:12px;color:var(--ink-3);margin-left:auto;letter-spacing:.04em}
.field-line{height:40px;border-radius:10px;border:1px solid var(--line-2);background:#FAFBFF;margin-bottom:12px;position:relative;overflow:hidden}
.field-line::after{content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);width:74px;height:8px;border-radius:4px;background:#EDEFF7}
.field-line:nth-child(2)::after{width:108px}
.panel-btn{
  height:42px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#FF5A2B,#FF7A3D);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 8px 18px rgba(255,90,43,.3);
}
.panel-foot{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-3);margin-top:14px}
.panel-foot .tag-live{
  display:inline-flex;align-items:center;gap:5px;
  padding:2px 9px;border-radius:999px;font-size:11px;font-weight:700;
  border:1px solid rgba(43,217,196,.5);color:#0F8F82;background:rgba(43,217,196,.1);
}
.panel-foot .tag-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* ===================== 快捷入口条 ===================== */
.quick-bar{background:#fff;border-bottom:1px solid var(--line);padding:20px 0}
.quick-scroll{display:flex;gap:12px;align-items:center;overflow-x:auto;scrollbar-width:none}
.quick-scroll::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:9px;flex-shrink:0;
  padding:11px 18px;border-radius:999px;
  border:1px solid var(--line-2);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.chip .num{
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:800;
}
.chip.is-home{background:#141628;border-color:#141628;color:#fff}
.chip.is-home .num{background:rgba(255,255,255,.16);color:#fff}
.chip.is-home:hover{background:#1F2340;color:#fff;border-color:#1F2340}

/* ===================== 品牌主张区 ===================== */
.claim{background:#fff;border-bottom:1px solid var(--line)}
.claim-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:start}
.claim-copy p+p{margin-top:20px}
.claim-list{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px 8px;
}
.claim-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding-bottom:18px;margin-bottom:18px;
  border-bottom:1px dashed var(--line-2);
  font-size:15px;color:var(--ink);font-weight:600;
}
.claim-list li:last-child{border-bottom:0}
.claim-list li::before{
  content:"";width:9px;height:9px;border-radius:3px;background:var(--brand);
  margin-top:9px;flex-shrink:0;
}
.claim-list li span{color:var(--ink-3);font-weight:500;font-size:13.5px;display:block;margin-top:3px}

/* ===================== 故事区 ===================== */
.story{background:var(--bg)}
.story-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story-row+.story-row{margin-top:72px}
.story-row.is-flip .story-media{order:2}
.story-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.story-media:hover img{transform:scale(1.03)}
.story-num{
  position:absolute;left:20px;top:14px;
  font-size:46px;font-weight:800;line-height:1;color:#fff;
  letter-spacing:-.03em;text-shadow:0 4px 18px rgba(15,17,36,.45);
}
.story-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(15,17,36,.42),transparent 60%)}
.story-body h2{margin-bottom:16px}
.story-body p+p{margin-top:16px}
.story-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px}
.story-meta div{
  flex:1 1 120px;padding:14px 16px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
}
.story-meta b{display:block;font-size:20px;font-weight:800;color:var(--ink);line-height:1.2}
.story-meta span{font-size:12.5px;color:var(--ink-3)}

/* ===================== 卡片网格 ===================== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:var(--card);border-radius:var(--r-card);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DDE1EE}
.card-thumb{position:relative;overflow:hidden;background:#EEF0F8}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-thumb .badge{position:absolute;left:14px;top:14px}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body h3 a:hover{color:var(--brand)}
.card-body p{
  font-size:14.5px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--ink-3);
}
.card-foot .src{font-weight:600;color:var(--ink-2)}

/* ===================== 最新信息（CMS） ===================== */
.news{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.news-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:30px}
.news-feature{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-feature .thumb{overflow:hidden}
.news-feature .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.news-feature:hover .thumb img{transform:scale(1.03)}
.news-feature .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-feature h3{font-size:22px}
.news-feature h3 a:hover{color:var(--brand)}
.news-feature p{font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-mini{display:flex;flex-direction:column;gap:14px}
.mini-card{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px;border-radius:14px;background:var(--bg);
  border:1px solid var(--line);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:#DDE1EE;background:#fff}
.mini-card .mini-thumb{width:104px;height:70px;border-radius:10px;overflow:hidden;flex-shrink:0;background:#E9ECF6}
.mini-card .mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-card h3{font-size:15.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card h3 a:hover{color:var(--brand)}
.mini-card p{font-size:13px;color:var(--ink-3);margin-top:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--ink-3)}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:36px;
  border:1px dashed var(--line-2);border-radius:var(--r-card);background:var(--bg);
}
.empty-state .icon{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  border:1.5px solid var(--line-2);color:var(--ink-3);font-size:22px;
}
.empty-state p{font-size:14.5px}
.skeleton{display:grid;grid-template-columns:1.05fr 1fr;gap:30px}
.sk-block{border-radius:12px;background:linear-gradient(90deg,#EDEFF7 25%,#F5F6FB 37%,#EDEFF7 63%);background-size:400% 100%;animation:sk 1.4s ease infinite}
.sk-block.tall{height:300px}
.sk-col{display:flex;flex-direction:column;gap:14px}
.sk-line{height:74px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ===================== 信任背书 ===================== */
.proof{background:var(--bg)}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.proof-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;text-align:left;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.proof-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.proof-card b{display:block;font-size:38px;font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.02em}
.proof-card b i{font-style:normal;font-size:15px;color:var(--brand);margin-left:4px;font-weight:700}
.proof-card span{display:block;margin-top:10px;font-size:14.5px;color:var(--ink-2);font-weight:600}
.proof-card em{display:block;font-style:normal;font-size:13px;color:var(--ink-3);margin-top:4px}
.partner-wall{
  margin-top:38px;padding-top:30px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
}
.partner-wall div{
  height:64px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;color:var(--ink-3);
  filter:grayscale(1);transition:filter .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.partner-wall div:hover{filter:grayscale(0);color:var(--ink);border-color:rgba(255,90,43,.4)}

/* ===================== FAQ ===================== */
.faq{background:#fff;border-top:1px solid var(--line)}
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q .sign{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;border:1.5px solid var(--line-2);color:var(--ink-2);
  font-size:15px;line-height:1;transition:transform .26s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .sign{transform:rotate(180deg);border-color:var(--brand);color:var(--brand)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease),opacity .26s var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1}
.faq-a-inner{padding:0 44px 22px 4px;font-size:15px;color:var(--ink-2);line-height:1.8}

/* ===================== CTA 横幅 ===================== */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#0F1124 0%,#191C3C 100%);
  padding:76px 0;
}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;left:-120px;top:-200px;
  background:radial-gradient(circle,rgba(255,90,43,.3),transparent 66%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:100% 56px;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center}
.cta-inner h2{color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px}
.subscribe{display:flex;gap:12px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42)}
.subscribe input:focus{
  outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(255,90,43,.18);
}
.subscribe input.is-error{border-color:var(--err)}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:14px}
.form-error{font-size:13px;color:#FF8E90;margin-top:8px;display:none}
.form-error.is-show{display:block}

/* ===================== 页脚 ===================== */
.site-footer{background:#12142A;color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-brand p{color:rgba(255,255,255,.6);font-size:14px;margin-top:16px;max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);font-size:13px;font-weight:700;color:rgba(255,255,255,.8);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.footer-social a:hover{border-color:var(--brand);color:#fff;background:rgba(255,90,43,.16)}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.04em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--brand)}
.footer-sub p{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-sub .subscribe input{background:rgba(255,255,255,.07)}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--brand)}

/* ===================== 返回顶部 ===================== */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:50;
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-2);color:var(--ink-2);font-size:16px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,color .2s var(--ease),border-color .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--brand);border-color:var(--brand)}

/* ===================== 响应式 ===================== */
@media (max-width:1279px){
  :root{--pad:32px}
  .nav-inner{gap:18px}
  .main-nav{gap:2px}
  .nav-link{padding:8px 9px;font-size:14.5px}
  .mega-panel{width:580px}
}
@media (max-width:1023px){
  :root{--pad:24px;--sec:64px}
  .main-nav{display:none}
  .mega-wrap{display:none}
  .nav-toggle{display:flex}
  .hero{margin-top:-72px;padding-top:120px;padding-bottom:64px}
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero-copy{max-width:100%}
  .hero-visual>img{aspect-ratio:16/9}
  .panel-card{right:16px;bottom:-24px;width:250px}
  .claim-grid{grid-template-columns:1fr;gap:36px}
  .story-row{grid-template-columns:1fr;gap:32px}
  .story-row.is-flip .story-media{order:0}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .partner-wall{grid-template-columns:repeat(3,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  :root{--pad:16px;--sec:48px}
  body{font-size:15.5px}
  .site-header{background:rgba(15,17,36,.9)}
  .nav-inner{height:60px}
  .brand-text{font-size:14.5px;line-height:1.2}
  .brand-mark{width:30px;height:30px;font-size:15px}
  .nav-actions .btn-primary{display:none}
  .drawer{inset:60px 0 0}
  .hero{margin-top:-60px;padding-top:100px}
  .hero-stats{gap:22px}
  .hero-stats b{font-size:26px}
  .hero-visual>img{aspect-ratio:4/3}
  .panel-card{position:relative;right:auto;bottom:auto;width:100%;margin-top:-40px;animation:none}
  .card-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr 1fr}
  .partner-wall{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .mini-card .mini-thumb{width:88px;height:62px}
  .to-top{right:14px;bottom:16px;width:42px;height:42px}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
}
@media (max-width:520px){
  .proof-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .section-head{margin-bottom:32px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --orange:#FF5A2B;
  --orange-deep:#E64A1E;
  --orange-light:#FF7A3D;
  --orange-soft:#FFF1EB;
  --ink:#1A1D3A;
  --ink-2:#2A2F55;
  --cyan:#2BD9C4;
  --bg:#F7F8FC;
  --surface:#FFFFFF;
  --line:#E8EAF3;
  --line-dark:rgba(255,255,255,.12);
  --text:#141628;
  --text-2:#4E5468;
  --text-3:#8A90A6;
  --dark-1:#0F1124;
  --dark-2:#191C3C;
  --footer-bg:#12142A;
  --ok:#2BB673;
  --warn:#F2A93B;
  --err:#E5484D;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 6px 24px rgba(20,22,40,.06);
  --sh-hover:0 14px 36px rgba(20,22,40,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --sh-panel:0 24px 60px rgba(15,17,36,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Semi Condensed","Rajdhani",Inter,"HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(15,17,36,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-dark);
  color:#fff;
  transition:background .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-solid{
  background:#fff;color:var(--text);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(20,22,40,.07);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--orange),var(--orange-light));
  color:#fff;font-size:17px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(255,90,43,.32);
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:10px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;padding:6px 0;
  color:inherit;opacity:.9;transition:color .2s var(--ease),opacity .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--orange);opacity:1;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--orange);opacity:1;}
.nav-link.is-active::after{height:3px;transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--orange),var(--orange-light));
  box-shadow:0 8px 20px rgba(255,90,43,.28);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.mega-trigger .arrow{font-size:12px;transition:transform .22s var(--ease);}
.mega-trigger:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,43,.36);}
.mega-trigger:active{transform:translateY(0);filter:saturate(.85);}
.mega-wrap.is-open .mega-trigger .arrow{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);
  width:660px;max-width:min(660px,calc(100vw - 48px));
  background:#fff;color:var(--text);border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--sh-panel);padding:22px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.mega-col h4{font-size:12px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px;font-weight:700;}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.mega-link em{font-style:normal;font-size:12px;color:var(--text-3);}
.mega-link:hover{background:var(--orange-soft);color:var(--orange);}
.mega-link:hover em{color:var(--orange-deep);}
.mega-item{display:block;padding:10px 12px;border-radius:10px;transition:background .2s var(--ease);}
.mega-item strong{display:block;font-size:14.5px;font-weight:600;line-height:1.5;}
.mega-item span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px;}
.mega-item:hover{background:#F4F6FC;}
.mega-item:hover strong{color:var(--orange);}
.mega-foot{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:16px;
}
.mega-foot img{width:132px;height:74px;object-fit:cover;border-radius:12px;flex:0 0 auto;}
.mega-foot p{font-size:14.5px;font-weight:600;margin:0 0 4px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-weight:700;font-size:14px;}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid currentColor;opacity:.9;
}
.menu-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(9,10,24,.62);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:#fff;color:var(--text);z-index:96;padding:22px 22px 40px;
  transform:translateX(102%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);font-size:18px;color:var(--text-2);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{padding:12px 12px;border-radius:10px;font-weight:600;font-size:15.5px;transition:background .2s var(--ease),color .2s var(--ease);}
.drawer-nav a:hover{background:var(--orange-soft);color:var(--orange);}
.drawer-group{margin-bottom:22px;}
.drawer-group h4{font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:10px;}
.drawer-group a{display:block;padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--text-2);}
.drawer-group a:hover{background:#F4F6FC;color:var(--orange);}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);font-size:15.5px;font-weight:700;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--orange),var(--orange-light));
  color:#fff;box-shadow:0 10px 24px rgba(255,90,43,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,90,43,.36);}
.btn-primary:active{transform:translateY(0);filter:saturate(.82);}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--orange);background:rgba(255,90,43,.06);color:var(--orange-deep);}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.24);color:#fff;}
.btn-ghost-light:hover{border-color:var(--orange);background:rgba(255,90,43,.12);}
.btn-sm{padding:10px 18px;font-size:14.5px;border-radius:9px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--orange-soft);color:var(--orange-deep);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.badge-status{
  background:transparent;border:1px solid rgba(43,217,196,.55);color:#0E8F80;
}
.badge-status::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(43,217,196,.18);
}
.tag{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:var(--r-pill);
  background:#F1F3F9;color:var(--text-2);font-size:13.5px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--orange-soft);color:var(--orange-deep);}

/* ============ 文章头 ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--dark-1),var(--dark-2));
  color:#fff;padding:56px 0 60px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.28;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 320px at 88% 6%,rgba(255,90,43,.24),transparent 68%),
    linear-gradient(180deg,rgba(15,17,36,.55),rgba(15,17,36,.86));
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--orange-light);}
.breadcrumb .sep{color:rgba(255,255,255,.35);}
.breadcrumb .current{color:#fff;font-weight:600;}
.article-title{
  font-size:clamp(28px,3.8vw,44px);line-height:1.2;font-weight:800;
  letter-spacing:-.01em;max-width:920px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;
  margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.72);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);}
.share-group{display:flex;align-items:center;gap:10px;margin-left:auto;}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);color:#fff;font-size:13px;font-weight:600;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.share-btn:hover{border-color:var(--orange);background:rgba(255,90,43,.16);}

/* ============ 封面 ============ */
.cover-block{max-width:960px;margin:-34px auto 0;position:relative;z-index:3;padding:0 24px;}
.cover-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-card);background:#fff;
}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-caption{
  text-align:center;font-size:13px;color:var(--text-3);margin-top:12px;
}

/* ============ 正文布局 ============ */
.article-main{padding:56px 0 88px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:48px;justify-content:center;align-items:start;
}
.prose{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 44px;box-shadow:var(--sh-card);
  font-size:16.5px;line-height:1.85;color:var(--text-2);
}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 20px;color:var(--text-2);}
.prose h2{
  position:relative;font-size:clamp(21px,2.2vw,25px);color:var(--text);
  line-height:1.35;margin:44px 0 18px;padding-left:16px;font-weight:800;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:linear-gradient(180deg,var(--orange),var(--orange-light));
}
.prose h3{font-size:19.5px;color:var(--text);margin:30px 0 12px;font-weight:700;}
.prose h4{font-size:17px;color:var(--text);margin:24px 0 10px;font-weight:700;}
.prose ul,.prose ol{margin:0 0 20px;padding-left:4px;}
.prose ul li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.8;color:var(--text-2);}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:50%;background:var(--orange);
}
.prose ol{list-style:decimal;padding-left:22px;}
.prose ol li{margin-bottom:10px;line-height:1.8;color:var(--text-2);}
.prose blockquote{
  margin:24px 0;padding:16px 20px;background:#F5F6FB;
  border-left:3px solid var(--orange);border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:15.5px;
}
.prose blockquote p{margin:0;color:var(--text-2);}
.prose a{color:var(--orange-deep);border-bottom:1px solid rgba(255,90,43,.4);}
.prose a:hover{color:var(--orange);border-bottom-color:var(--orange);}
.prose img{border-radius:14px;margin:24px 0;}
.prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.8px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.prose thead th{background:#F4F6FC;color:var(--text);font-weight:700;text-align:left;}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--line);}
.prose tbody tr:nth-child(even){background:#FAFBFE;}
.prose tbody tr:last-child td{border-bottom:0;}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14.5px;background:#F1F3F9;border-radius:6px;padding:2px 7px;color:var(--ink-2);
}
.prose pre{
  background:#F1F3F9;border-radius:12px;padding:18px 20px;overflow:auto;
  margin:24px 0;font-size:14.5px;line-height:1.7;
}
.prose pre code{background:none;padding:0;}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* 侧栏 */
.aside{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-card);
}
.aside-card h3{
  font-size:15px;font-weight:800;color:var(--text);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);
}
.toc-list li{margin-bottom:8px;}
.toc-list a{
  display:block;font-size:14.5px;line-height:1.6;color:var(--text-2);
  padding:6px 0 6px 12px;border-left:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--orange);border-left-color:var(--orange);}
.toc-empty{font-size:14px;color:var(--text-3);line-height:1.7;}
.aside-post{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);}
.aside-post:last-child{border-bottom:0;padding-bottom:0;}
.aside-post img{width:66px;height:46px;object-fit:cover;border-radius:9px;flex:0 0 auto;}
.aside-post strong{display:block;font-size:14.2px;font-weight:600;line-height:1.5;color:var(--text);transition:color .2s var(--ease);}
.aside-post:hover strong{color:var(--orange);}
.aside-post span{display:block;font-size:12.5px;color:var(--text-3);margin-top:3px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}

/* 空态 */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:44px 28px;box-shadow:var(--sh-card);
}
.empty-state .icon{
  width:56px;height:56px;border-radius:16px;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--orange);font-size:22px;
}
.empty-state p{font-size:15.5px;color:var(--text-2);margin:0;}

/* ============ 文末组件 ============ */
.after-block{margin-top:44px;display:flex;flex-direction:column;gap:36px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row > span{font-size:13.5px;color:var(--text-3);font-weight:600;}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.pager a{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 22px;box-shadow:var(--sh-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(255,90,43,.4);}
.pager small{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px;letter-spacing:.04em;}
.pager strong{display:block;font-size:15.5px;font-weight:700;color:var(--text);line-height:1.5;}
.pager .to-next{text-align:right;}
.back-row{display:flex;justify-content:center;}

/* 相关推荐卡 */
.section{padding:0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);color:var(--text);}
.section-head p{font-size:14.5px;color:var(--text-3);margin:8px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.post-thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:#EEF0F7;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17.5px;line-height:1.5;color:var(--text);font-weight:700;}
.post-card:hover .post-body h3{color:var(--orange-deep);}
.post-body h3 a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{
  font-size:14.5px;color:var(--text-2);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto;}

/* FAQ */
.faq-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover{color:var(--orange-deep);background:#FBFBFE;}
.faq-q .sign{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1.5px solid var(--line);position:relative;transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-3);
  transform:translate(-50%,-50%);border-radius:2px;transition:background .24s var(--ease);
}
.faq-q .sign::before{width:9px;height:1.6px;}
.faq-q .sign::after{width:1.6px;height:9px;}
.faq-item.is-open .faq-q{color:var(--orange-deep);}
.faq-item.is-open .faq-q .sign{transform:rotate(180deg);border-color:var(--orange);}
.faq-item.is-open .faq-q .sign::before,.faq-item.is-open .faq-q .sign::after{background:var(--orange);}
.faq-item.is-open .faq-q .sign::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2);margin:0;}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background:linear-gradient(160deg,var(--dark-1),var(--dark-2));
  color:#fff;padding:52px 48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  box-shadow:var(--sh-dark);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,90,43,.3),transparent 66%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.74);margin:12px 0 0;}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 200px;height:48px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.55);}
.subscribe input:focus{
  outline:none;border-color:var(--orange);background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(255,90,43,.22);
}
.subscribe input.is-error{border-color:var(--err);}
.form-tip{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:12px;}
.form-error{font-size:13px;color:#FF9A9E;margin-top:8px;min-height:18px;}

/* 页脚 */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);margin:0 0 18px;}
.footer-social{display:flex;gap:10px;flex-wrap:wrap;}
.footer-social a{
  padding:7px 14px;border-radius:var(--r-pill);font-size:13px;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.78);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.footer-social a:hover{border-color:var(--orange);color:#fff;background:rgba(255,90,43,.14);}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .2s var(--ease);}
.footer-col ul a:hover{color:var(--orange-light);}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.6);margin:0 0 14px;}
.site-footer .subscribe input{background:rgba(255,255,255,.06);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.66);}
.footer-bottom a:hover{color:var(--orange-light);}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-hover);
  color:var(--orange);font-size:18px;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);z-index:80;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--orange-deep);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .aside-card{flex:1 1 280px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .mega-wrap{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cover-block{max-width:100%;padding:0 24px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-inner{height:60px;gap:12px;}
  .brand-text{font-size:13.5px;line-height:1.25;white-space:normal;max-width:170px;}
  .brand-mark{width:30px;height:30px;font-size:15px;}
  .article-hero{padding:36px 0 42px;}
  .article-meta{gap:10px 14px;}
  .share-group{margin-left:0;width:100%;}
  .cover-block{margin-top:-24px;padding:0 16px;}
  .article-main{padding:36px 0 64px;}
  .prose{padding:26px 20px;font-size:16px;}
  .prose h2{margin-top:34px;}
  .pager{grid-template-columns:1fr;}
  .pager .to-next{text-align:left;}
  .card-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:380px){
  .brand-text{font-size:12.5px;max-width:140px;}
  .btn{padding:12px 20px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A2B;
  --brand-deep:#E64A1E;
  --brand-soft:#FFF1EB;
  --brand-grad:linear-gradient(135deg,#FF5A2B 0%,#FF7A3D 100%);
  --ink:#1A1D3A;
  --ink-2:#2A2F55;
  --dark:#0F1124;
  --dark-2:#191C3C;
  --bg:#F7F8FC;
  --surface:#FFFFFF;
  --line:#E8EAF3;
  --line-dark:rgba(255,255,255,.12);
  --text:#141628;
  --text-2:#4E5468;
  --text-3:#8A90A6;
  --cyan:#2BD9C4;
  --ok:#2BB673;
  --warn:#F2A93B;
  --err:#E5484D;
  --r-lg:18px;
  --r:14px;
  --r-sm:10px;
  --sh:0 6px 24px rgba(20,22,40,.06);
  --sh-h:0 14px 36px rgba(20,22,40,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",Inter,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.01em;}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15;font-weight:800;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}
.section{padding:88px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;font-weight:700;color:var(--brand);text-transform:uppercase;margin-bottom:12px;}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block;border-radius:2px;}
.section-head p{color:var(--text-2);font-size:16px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999;}
.skip-link:focus{left:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-sm);border:1px solid transparent;
  font-weight:700;font-size:15px;line-height:1;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 20px rgba(255,90,43,.28);}
.btn-primary:hover{background:var(--brand-deep);box-shadow:0 12px 26px rgba(255,90,43,.34);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);filter:saturate(.85);}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);background:rgba(255,90,43,.06);color:var(--brand-deep);}
.btn-ghost-dark{background:transparent;border:1.5px solid rgba(255,255,255,.24);color:#fff;}
.btn-ghost-dark:hover{border-color:var(--brand);background:rgba(255,90,43,.14);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;border-bottom:1px solid transparent;transition:border-color .2s var(--ease);}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover{border-bottom-color:var(--brand);}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(15,17,36,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 6px 20px rgba(20,22,40,.06);}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-grad);
  color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,90,43,.35);flex-shrink:0;
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.01em;color:#fff;white-space:nowrap;transition:color .24s var(--ease);}
.site-header.is-scrolled .brand-text{color:var(--text);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.78);border-radius:8px;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.site-header.is-scrolled .nav-link{color:var(--text-2);}
.site-header.is-scrolled .nav-link:hover{color:var(--brand-deep);}
.nav-link.is-active{color:#fff;font-weight:700;}
.site-header.is-scrolled .nav-link.is-active{color:var(--brand-deep);}
.nav-link.is-active::after{transform:scaleX(1);height:3px;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:14px;font-weight:600;padding:9px 16px;border-radius:999px;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled .mega-trigger{background:#fff;border-color:var(--line);color:var(--text);}
.mega-trigger .arrow{transition:transform .22s var(--ease);font-size:11px;}
.mega-wrap:hover .mega-trigger,.mega-wrap.is-open .mega-trigger{color:var(--brand);border-color:rgba(255,90,43,.5);}
.mega-wrap:hover .mega-trigger .arrow,.mega-wrap.is-open .mega-trigger .arrow{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:640px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 24px 60px rgba(20,22,40,.18);
  padding:24px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.mega-col h4{font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:700;margin-bottom:12px;}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text-2);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.mega-link em{font-style:normal;font-size:12px;color:var(--text-3);background:var(--bg);border-radius:999px;padding:2px 8px;}
.mega-link:hover{background:var(--brand-soft);color:var(--brand-deep);}
.mega-item{display:block;padding:10px 12px;border-radius:10px;transition:background-color .2s var(--ease);}
.mega-item strong{display:block;font-size:15px;font-weight:600;color:var(--text);line-height:1.5;}
.mega-item span{font-size:12px;color:var(--text-3);}
.mega-item:hover{background:var(--bg);}
.mega-item:hover strong{color:var(--brand-deep);}
.mega-foot{
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:16px;
}
.mega-foot img{width:132px;height:74px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.mega-foot p{font-size:15px;font-weight:600;margin:0 0 6px;color:var(--text);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);cursor:pointer;padding:0;place-items:center;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);background:#fff;}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;margin:3px auto;transition:background-color .2s var(--ease);}
.site-header.is-scrolled .nav-toggle span{background:var(--text);}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:140;background:rgba(15,17,36,.55);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(88vw,380px);
  background:#fff;padding:22px 22px 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s var(--ease);
  box-shadow:-20px 0 50px rgba(20,22,40,.22);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:18px;cursor:pointer;line-height:1;color:var(--text-2);}
.drawer-group{margin-bottom:24px;}
.drawer-group h4{font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:700;margin-bottom:10px;}
.drawer-group a{display:block;padding:11px 12px;border-radius:10px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-group a:last-child{border-bottom:0;}
.drawer-group a:hover,.drawer-group a.is-active{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-cta{margin-top:8px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}
.light-crumb{color:var(--text-3);}
.light-crumb a{color:var(--text-2);}
.light-crumb .current{color:var(--text);}

/* ---------- 分类页 1 hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#0F1124 0%,#191C3C 100%);
  padding:36px 0 56px;
  min-height:280px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(255,90,43,.28),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(43,217,196,.12);border:1px solid rgba(43,217,196,.45);
  color:#8BF3E6;font-size:12.5px;letter-spacing:.06em;font-weight:600;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--cyan);display:block;box-shadow:0 0 0 4px rgba(43,217,196,.18);}
.page-hero h1{color:#fff;margin-bottom:16px;max-width:14em;}
.page-hero .hero-lead{color:rgba(255,255,255,.74);font-size:16.5px;line-height:1.9;max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-media{
  position:relative;border-radius:16px;overflow:hidden;
  box-shadow:var(--sh-dark);aspect-ratio:16/10;border:1px solid rgba(255,255,255,.12);
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.hero-media:hover img{transform:scale(1.03);}
.hero-media .media-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,17,36,.18),rgba(15,17,36,.62));}
.hero-media .media-note{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(15,17,36,.72);border:1px solid rgba(255,255,255,.16);
  border-radius:12px;padding:12px 14px;color:#fff;font-size:13.5px;line-height:1.6;
  backdrop-filter:blur(6px);
}
.hero-media .media-note strong{display:block;font-size:14px;margin-bottom:2px;}

/* ---------- 双栏列表区 ---------- */
.entry-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:40px;align-items:start;}
.entry-list{display:flex;flex-direction:column;gap:14px;}
.entry-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 24px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.entry-item:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(255,90,43,.4);}
.entry-num{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;font-family:"Barlow Semi Condensed",Inter,sans-serif;
  letter-spacing:.02em;
}
.entry-body{flex:1;min-width:0;}
.entry-body h3{margin-bottom:8px;font-size:19px;transition:color .2s var(--ease);}
.entry-item:hover .entry-body h3{color:var(--brand-deep);}
.entry-body p{color:var(--text-2);font-size:15px;line-height:1.8;margin:0 0 12px;}
.entry-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.chip{
  display:inline-flex;align-items:center;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px;letter-spacing:.02em;
}
.chip-neutral{background:var(--bg);color:var(--text-2);}
.entry-arrow{color:var(--text-3);font-size:18px;transition:transform .22s var(--ease),color .22s var(--ease);}
.entry-item:hover .entry-arrow{transform:translateX(4px);color:var(--brand);}

/* ---------- 侧栏信息卡 ---------- */
.info-stack{position:sticky;top:calc(var(--nav-h) + 20px);display:flex;flex-direction:column;gap:20px;}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh);
}
.info-card h3{font-size:19px;margin-bottom:6px;}
.info-card .info-sub{font-size:13.5px;color:var(--text-3);margin-bottom:18px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;padding:10px 0;
  border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li::before{
  content:"";flex-shrink:0;width:8px;height:8px;border-radius:2px;background:var(--brand);margin-top:9px;
}
.info-card .divider{height:1px;background:var(--line);margin:20px 0;}
.info-actions{display:flex;flex-direction:column;gap:12px;}
.status-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(43,217,196,.16);}
.info-dark{
  background:linear-gradient(180deg,#191C3C,#0F1124);border-color:var(--line-dark);
  box-shadow:var(--sh-dark);
}
.info-dark h3,.info-dark strong{color:#fff;}
.info-dark p,.info-dark li{color:rgba(255,255,255,.72);}
.info-dark .divider{background:rgba(255,255,255,.12);}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 22px;box-shadow:var(--sh);position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(255,90,43,.35);}
.step-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;background:var(--brand-grad);color:#fff;
  font-weight:800;font-size:15px;font-family:"Barlow Semi Condensed",Inter,sans-serif;
  margin-bottom:14px;box-shadow:0 8px 18px rgba(255,90,43,.28);
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;}
.steps::before{
  content:"";position:absolute;top:44px;left:8%;right:8%;height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
  z-index:0;
}
.step{position:relative;z-index:1;}

/* ---------- 适用场景胶囊 ---------- */
.scene-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.scene-scroll{
  display:flex;gap:14px;overflow-x:auto;padding-bottom:8px;
  scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;
}
.scene-card{
  flex:0 0 268px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(255,90,43,.35);background:#fff;}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 26px;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-deep);background:rgba(255,90,43,.03);}
.faq-q .sign{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  font-size:16px;line-height:1;transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand-deep);}
.faq-item.is-open .faq-q .sign{transform:rotate(180deg);background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 26px 24px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(255,90,43,.35);}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:18px;}
.rel-body p{font-size:14.5px;color:var(--text-2);margin:0;flex:1;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background:linear-gradient(180deg,#191C3C 0%,#0F1124 100%);
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:52px 48px;
}
.cta-band::after{
  content:"";position:absolute;top:-140px;right:-80px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,90,43,.3),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center;}
.cta-inner h2{color:#fff;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{background:#12142A;color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  font-size:13px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.78);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.footer-social a:hover{border-color:var(--brand);color:#fff;background:rgba(255,90,43,.14);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.68);}
.footer-col ul a:hover{color:var(--brand);}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:14px;}
.subscribe{display:flex;gap:10px;}
.subscribe input{
  flex:1;min-width:0;height:46px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.45);}
.subscribe input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,43,.18);}
.subscribe input.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(229,72,77,.16);}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:10px;}
.form-msg{font-size:13px;margin-top:8px;color:var(--cyan);min-height:18px;}
.form-msg.error{color:#FF8A8D;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);border-bottom:1px dotted rgba(255,255,255,.3);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-h);
  color:var(--brand);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  z-index:100;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .hero-grid{gap:32px;}
  .mega-panel{width:560px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .mega-wrap{display:none;}
  .nav-toggle{display:grid;}
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:26px;}
  .page-hero{padding:28px 0 44px;min-height:0;}
  .entry-grid{grid-template-columns:1fr;gap:28px;}
  .info-stack{position:static;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-sub{grid-column:1 / -1;}
}
@media (max-width:767px){
  :root{--nav-h:60px;}
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .brand-text{font-size:14.5px;white-space:normal;line-height:1.2;max-width:150px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  h3{font-size:18px;}
  .entry-item{padding:18px;gap:14px;}
  .entry-num{width:38px;height:38px;font-size:14px;}
  .steps{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 22px;}
  .faq-q{padding:18px;font-size:15.5px;}
  .faq-a-inner{padding:0 18px 20px;}
  .hero-media .media-note{position:static;border-radius:0;background:rgba(15,17,36,.86);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-social{flex-wrap:wrap;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{width:100%;}
  .to-top{right:14px;bottom:14px;width:42px;height:42px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:380px){
  .brand-text{font-size:13.5px;max-width:128px;}
  h1{font-size:26px;}
  .btn{padding:12px 20px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --primary:#FF5A2B;
  --primary-deep:#E64A1E;
  --primary-soft:#FFF1EB;
  --cyan:#2BD9C4;
  --ink:#141628;
  --ink-2:#4E5468;
  --ink-3:#8A90A6;
  --line:#E8EAF3;
  --line-dark:rgba(255,255,255,.12);
  --bg:#F7F8FC;
  --surface:#FFFFFF;
  --dark:#0F1124;
  --dark-2:#191C3C;
  --dark-3:#12142A;
  --success:#2BB673;
  --warn:#F2A93B;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-card:0 6px 24px rgba(20,22,40,.06);
  --shadow-hover:0 14px 36px rgba(20,22,40,.12);
  --shadow-dark:0 12px 32px rgba(0,0,0,.35);
  --container:1240px;
  --gap:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --tr:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color var(--tr),border-color var(--tr),background var(--tr)}
a:hover{color:var(--primary)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:.01em}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700}
h3{font-size:21px;line-height:1.4;font-weight:600}
p{margin:0 0 18px}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
.num{font-family:"Barlow Semi Condensed","Rajdhani",Inter,system-ui,sans-serif;font-weight:700;letter-spacing:.02em}
.container{max-width:var(--container);margin:0 auto;padding:0 40px;width:100%}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head p{color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;font-weight:600;
  color:var(--primary);background:var(--primary-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;padding:14px 28px;border-radius:var(--radius-btn);
  border:1.5px solid transparent;transition:all var(--tr);min-height:44px;text-align:center;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),#FF7A3D);color:#fff;box-shadow:0 8px 20px rgba(255,90,43,.28)}
.btn-primary:hover{background:linear-gradient(135deg,var(--primary-deep),#F2652F);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,43,.34)}
.btn-primary:active{transform:translateY(0);filter:saturate(.85)}
.btn-ghost{background:transparent;border-color:#E0E3EF;color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,90,43,.06)}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.24);color:#fff}
.btn-ghost-dark:hover{border-color:var(--primary);color:#fff;background:rgba(255,90,43,.14)}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;border-bottom:1px solid transparent;transition:all var(--tr)}
.link-arrow span{transition:transform var(--tr)}
.link-arrow:hover{border-bottom-color:rgba(255,90,43,.4)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;letter-spacing:.04em;font-weight:600;
  padding:5px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary-deep);
}
.badge-live{background:transparent;border:1px solid rgba(43,217,196,.5);color:#16A99A}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(43,217,196,.18)}
.tag{
  display:inline-flex;align-items:center;font-size:13px;color:var(--ink-2);
  background:#F1F2F8;padding:5px 12px;border-radius:999px;transition:all var(--tr);
}
.tag:hover{color:var(--primary);background:var(--primary-soft)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(15,17,36,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-dark);
  transition:background var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(20,22,40,.06)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),#FF8A4D);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,90,43,.32);
}
.brand-text{font-size:17px;font-weight:800;color:#fff;letter-spacing:.01em;white-space:nowrap;transition:color var(--tr)}
.site-header.is-scrolled .brand-text{color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:rgba(255,255,255,.78);
  padding:8px 12px;border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--tr);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{transform:scaleX(1);height:3px}
.site-header.is-scrolled .nav-link{color:var(--ink-2)}
.site-header.is-scrolled .nav-link:hover{color:var(--primary)}
.site-header.is-scrolled .nav-link.is-active{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px}

/* ---------- Mega 面板 ---------- */
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:700;color:#fff;background:rgba(255,255,255,.08);
  border:1.5px solid rgba(255,255,255,.18);border-radius:var(--radius-btn);
  padding:9px 16px;min-height:40px;transition:all var(--tr);
}
.mega-trigger:hover{background:rgba(255,90,43,.16);border-color:var(--primary);color:#fff}
.mega-trigger .arrow{font-size:11px;transition:transform var(--tr)}
.mega-trigger[aria-expanded="true"]{background:rgba(255,90,43,.18);border-color:var(--primary);color:#fff}
.mega-trigger[aria-expanded="true"] .arrow{transform:rotate(180deg)}
.site-header.is-scrolled .mega-trigger{color:var(--ink);background:#F5F6FB;border-color:#E0E3EF}
.site-header.is-scrolled .mega-trigger:hover,.site-header.is-scrolled .mega-trigger[aria-expanded="true"]{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:640px;max-width:min(640px,90vw);
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:0 22px 50px rgba(20,22,40,.16);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--tr),transform var(--tr),visibility var(--tr);
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.mega-col h4{font-size:12.5px;letter-spacing:.08em;color:var(--ink-3);font-weight:700;margin-bottom:12px}
.mega-link{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15px;font-weight:600;color:var(--ink);padding:9px 10px;border-radius:10px;transition:all var(--tr)}
.mega-link em{font-style:normal;font-size:12.5px;color:var(--ink-3)}
.mega-link:hover{background:#F6F7FC;color:var(--primary)}
.mega-item{display:block;padding:10px;border-radius:10px;transition:all var(--tr)}
.mega-item strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-item span{font-size:12.5px;color:var(--ink-3)}
.mega-item:hover{background:#F6F7FC}
.mega-item:hover strong{color:var(--primary)}
.mega-foot{display:flex;gap:14px;align-items:center;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.mega-foot img{width:150px;aspect-ratio:16/9;object-fit:cover;border-radius:12px}
.mega-foot p{font-size:14px;color:var(--ink-2);margin:0 0 6px}

/* ---------- 移动端抽屉 ---------- */
.nav-toggle{
  display:none;width:40px;height:40px;border:1.5px solid rgba(255,255,255,.24);
  background:transparent;border-radius:10px;position:relative;flex-shrink:0;
}
.site-header.is-scrolled .nav-toggle{border-color:#E0E3EF}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:#fff;border-radius:2px;transition:all var(--tr)}
.site-header.is-scrolled .nav-toggle span{background:var(--ink)}
.nav-toggle span:nth-child(1){top:13px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:25px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-scrim{position:fixed;inset:0;background:rgba(15,17,36,.62);opacity:0;visibility:hidden;transition:all var(--tr);z-index:80}
.nav-scrim.is-open{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13.5px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:24px}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C9CDDE}
.breadcrumb .current{color:var(--ink-2);font-weight:600}

/* ---------- Hero（浅色） ---------- */
.hero-light{
  position:relative;background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:52px 0 60px;overflow:hidden;
}
.hero-light::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,43,.14),rgba(255,90,43,0) 68%);
}
.hero-light::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(20,22,40,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,22,40,.035) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);
}
.hero-light .container{position:relative;z-index:2}
.hero-center{max-width:840px;margin:0 auto;text-align:center}
.hero-center h1{margin-bottom:18px}
.hero-center .lead{font-size:16.5px;color:var(--ink-2);max-width:760px;margin:0 auto 26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.hero-facts{display:flex;flex-wrap:wrap;gap:36px;justify-content:center;margin-top:36px;padding-top:26px;border-top:1px dashed #E4E7F2}
.hero-fact{text-align:center}
.hero-fact strong{display:block;font-size:26px;line-height:1.2;color:var(--ink);font-family:"Barlow Semi Condensed","Rajdhani",Inter,sans-serif}
.hero-fact span{font-size:13px;color:var(--ink-3)}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DDE1EF}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:#EDEFF7}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--primary-deep)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14.5px;line-height:1.75;color:var(--ink-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}

/* ---------- 流程条 ---------- */
.flow-strip{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.flow-item{padding:30px 26px;border-right:1px solid var(--line);transition:background var(--tr)}
.flow-item:last-child{border-right:none}
.flow-item:hover{background:#FAFBFF}
.flow-item .step-no{font-family:"Barlow Semi Condensed","Rajdhani",Inter,sans-serif;font-size:15px;font-weight:700;color:var(--primary);letter-spacing:.06em;display:block;margin-bottom:10px}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.7}

/* ---------- FAQ ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;background:transparent;border:none;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);transition:color var(--tr),background var(--tr);
}
.faq-q:hover{color:var(--primary);background:#FBFBFE}
.faq-q .sign{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--ink-2);
  transition:all var(--tr);
}
.faq-q[aria-expanded="true"]{color:var(--primary)}
.faq-q[aria-expanded="true"] .sign{transform:rotate(180deg);border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-a-inner p{margin:0}

/* ---------- 相关分类 ---------- */
.rel-card{
  display:flex;flex-direction:column;gap:12px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-card);transition:all var(--tr);height:100%;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DDE1EF}
.rel-card h3{font-size:19px}
.rel-card p{font-size:14.5px;color:var(--ink-2);margin:0}
.rel-card .rel-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;align-items:center}

/* ---------- CTA ---------- */
.cta{
  position:relative;color:#fff;border-radius:20px;overflow:hidden;
  background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 100%);
  padding:56px;box-shadow:var(--shadow-dark);
}
.cta::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta::after{
  content:"";position:absolute;top:-140px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,43,.30),rgba(255,90,43,0) 70%);
}
.cta .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta h2{color:#fff;margin-bottom:10px}
.cta p{color:rgba(255,255,255,.72);margin:0}
.cta .note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:12px}

/* ---------- 表单 ---------- */
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.field{flex:1;min-width:200px}
.field input{
  width:100%;height:48px;border-radius:var(--radius-btn);border:1.5px solid var(--line);
  padding:0 16px;font-size:15px;color:var(--ink);background:#fff;transition:all var(--tr);
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,90,43,.12)}
.field.is-error input{border-color:var(--danger)}
.field .err{font-size:13px;color:var(--danger);margin-top:8px;display:none}
.field.is-error .err{display:block}
.form-tip{font-size:13px;color:rgba(255,255,255,.55);margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark-3);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 18px;max-width:320px}
.footer-social{display:flex;gap:10px;flex-wrap:wrap}
.footer-social a{
  font-size:13px;color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.16);
  padding:6px 14px;border-radius:999px;transition:all var(--tr);
}
.footer-social a:hover{color:#fff;border-color:var(--primary);background:rgba(255,90,43,.16)}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.6);margin:0 0 14px}
.subscribe{display:flex;gap:10px;flex-wrap:wrap}
.subscribe input{
  flex:1;min-width:150px;height:44px;border-radius:var(--radius-btn);
  border:1.5px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14px;transition:all var(--tr);
}
.subscribe input::placeholder{color:rgba(255,255,255,.45)}
.subscribe input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,90,43,.18)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.66)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:12px;
  background:var(--primary);color:#fff;border:none;font-size:18px;
  box-shadow:0 10px 24px rgba(255,90,43,.34);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--tr);z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--primary-deep)}

/* ---------- 骨架 / 空态 ---------- */
.skeleton{border-radius:12px;background:linear-gradient(90deg,#EEF0F7 25%,#F6F7FC 37%,#EEF0F7 63%);background-size:400% 100%;animation:skeleton 1.4s ease infinite}
@keyframes skeleton{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .mega-panel{width:560px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .flow-item:nth-child(2n){border-right:none}
  .flow-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .cta{padding:40px}
  .cta .cta-inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .main-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:85;
    background:var(--dark);padding:96px 24px 40px;flex-direction:column;align-items:stretch;gap:6px;
    transform:translateY(-100%);transition:transform 260ms var(--ease);overflow-y:auto;margin-left:0;
  }
  .main-nav.is-open{transform:translateY(0)}
  .main-nav .nav-link{color:rgba(255,255,255,.86);font-size:17px;padding:14px 10px;border-bottom:1px solid rgba(255,255,255,.08)}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{color:var(--primary)}
  .nav-toggle{display:block;order:3}
  .nav-actions{margin-left:auto;order:2}
  .brand{order:1}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-sm{padding:44px 0}
  h1{font-size:clamp(27px,7vw,34px)}
  h2{font-size:clamp(22px,5.6vw,27px)}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .hero-light{padding:34px 0 42px}
  .hero-center .lead{font-size:15.5px}
  .hero-facts{gap:22px}
  .hero-fact strong{font-size:22px}
  .flow-grid{grid-template-columns:1fr}
  .flow-item{border-right:none;border-bottom:1px solid var(--line);padding:24px 20px}
  .flow-item:last-child{border-bottom:none}
  .cta{padding:30px 22px;border-radius:16px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mega-panel{display:none}
  .to-top{right:14px;bottom:14px}
}
@media (max-width:380px){
  .brand-text{font-size:15px}
  .btn{padding:12px 20px;font-size:14.5px}
  .nav-actions{gap:8px}
  .mega-trigger{padding:8px 12px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category4 */
:root{
  --primary:#FF5A2B;
  --primary-deep:#E64A1E;
  --primary-soft:#FFF1EB;
  --ink:#141628;
  --ink-2:#4E5468;
  --ink-3:#8A90A6;
  --line:#E8EAF3;
  --line-2:#E0E3EF;
  --bg:#F7F8FC;
  --surface:#FFFFFF;
  --dark-1:#0F1124;
  --dark-2:#191C3C;
  --dark-line:rgba(255,255,255,.12);
  --dark-text-2:rgba(255,255,255,.72);
  --signal:#2BD9C4;
  --ok:#2BB673;
  --warn:#F2A93B;
  --err:#E5484D;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-card:0 6px 24px rgba(20,22,40,.06);
  --shadow-hover:0 14px 36px rgba(20,22,40,.12);
  --shadow-dark:0 12px 32px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Semi Condensed","Rajdhani",Inter,"HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;font-weight:700;
  color:var(--primary);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--primary);display:inline-block;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(15,17,36,.72);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(20,22,40,.07);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#FF7A3D);
  color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(255,90,43,.32);
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.01em;color:#fff;white-space:nowrap;}
.site-header.is-scrolled .brand-text{color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;font-weight:600;
  color:rgba(255,255,255,.82);
  border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{transform:scaleX(1);height:3px;bottom:2px;border-radius:2px;}
.site-header.is-scrolled .nav-link{color:var(--ink-2);}
.site-header.is-scrolled .nav-link.is-active,
.site-header.is-scrolled .nav-link:hover{color:var(--primary);}

.nav-actions{display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:var(--radius-btn);
  border:1.5px solid rgba(255,255,255,.24);
  background:transparent;color:#fff;
  font-size:14px;font-weight:700;
  transition:all .2s var(--ease);
}
.site-header.is-scrolled .mega-trigger{color:var(--ink);border-color:var(--line-2);}
.mega-trigger:hover,.mega-wrap.is-open .mega-trigger{
  color:var(--primary);border-color:var(--primary);background:rgba(255,90,43,.08);
}
.mega-trigger .arrow{transition:transform .22s var(--ease);font-size:12px;}
.mega-wrap.is-open .mega-trigger .arrow{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:640px;background:#fff;border-radius:16px;
  border:1px solid var(--line);
  box-shadow:0 24px 56px rgba(20,22,40,.18);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  z-index:95;
}
.mega-wrap.is-open .mega-panel,
.mega-wrap:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.mega-col h4{
  font-size:12px;letter-spacing:.1em;color:var(--ink-3);
  text-transform:uppercase;margin-bottom:12px;font-weight:700;
}
.mega-link{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--ink);
}
.mega-link em{font-style:normal;font-size:12px;color:var(--ink-3);font-weight:500;}
.mega-link:hover{background:var(--primary-soft);color:var(--primary);}
.mega-item{display:block;padding:9px 10px;border-radius:10px;}
.mega-item strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.55;}
.mega-item span{font-size:12px;color:var(--ink-3);}
.mega-item:hover{background:var(--bg);}
.mega-item:hover strong{color:var(--primary);}
.mega-foot{
  display:flex;gap:14px;align-items:center;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
}
.mega-foot img{width:150px;height:84px;object-fit:cover;border-radius:12px;}
.mega-foot p{font-size:14px;font-weight:600;margin-bottom:4px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:700;
}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px;}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1.5px solid rgba(255,255,255,.24);background:transparent;
  padding:0;place-items:center;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--line-2);}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;margin:3px auto;}
.site-header.is-scrolled .nav-toggle span{background:var(--ink);}
.drawer{
  position:fixed;inset:0;z-index:120;
  background:#fff;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
  padding:22px 20px 40px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1.5px solid var(--line-2);
  background:#fff;font-size:18px;color:var(--ink);display:grid;place-items:center;
}
.drawer-group{margin-bottom:22px;}
.drawer-group h4{font-size:12px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:10px;}
.drawer-group a{
  display:block;padding:12px 10px;border-radius:10px;
  font-size:15px;font-weight:600;border-bottom:1px solid var(--line);
}
.drawer-group a.is-active{color:var(--primary);}
.drawer-cta{display:block;margin-top:8px;}
.backdrop{
  position:fixed;inset:0;background:rgba(15,17,36,.55);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;
}
.backdrop.is-open{opacity:1;visibility:visible;}
body.is-locked{overflow:hidden;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  will-change:transform;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#FF7A3D);
  color:#fff;box-shadow:0 10px 24px rgba(255,90,43,.28);
}
.btn-primary:hover{background:linear-gradient(135deg,var(--primary-deep),var(--primary));transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,90,43,.36);}
.btn-primary:active{transform:translateY(0);filter:saturate(.85);}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:transparent;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,90,43,.06);}
.btn-ghost-dark{border-color:rgba(255,255,255,.24);color:#fff;background:transparent;}
.btn-ghost-dark:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,90,43,.1);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-dark{background:rgba(255,90,43,.16);color:#FFB79C;}
.status{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(43,217,196,.5);color:var(--signal);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.status i{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 3px rgba(43,217,196,.18);}
.tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:#F0F2F8;color:var(--ink-2);font-size:13px;font-weight:600;
  transition:all .2s var(--ease);
}
.tag:hover{background:var(--primary-soft);color:var(--primary);}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--ink-3);}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb li{display:flex;gap:8px;align-items:center;}
.crumb li+li::before{content:"/";color:#C6CAD8;}
.crumb a:hover{color:var(--primary);}
.crumb strong{color:var(--ink);font-weight:600;}

/* ---------- hero (split) ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--dark-1),var(--dark-2));
  color:#fff;
  padding:64px 0 76px;
}
.cat-hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(255,90,43,.42),transparent 68%);
  opacity:.85;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.6;
}
.cat-hero .container{position:relative;z-index:2;}
.hero-split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;}
.hero-split h1{
  color:#fff;font-size:clamp(30px,4.4vw,50px);line-height:1.15;font-weight:800;
  letter-spacing:-.02em;
}
.hero-split h1 em{font-style:normal;color:#FFB79C;}
.hero-lead{margin-top:20px;color:var(--dark-text-2);font-size:16.5px;max-width:560px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:18px;border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-dark);
}
.hero-figure .float-card{
  position:absolute;left:-18px;bottom:-24px;
  width:230px;padding:16px 18px;border-radius:14px;
  background:rgba(15,17,36,.86);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
  box-shadow:var(--shadow-dark);
}
.float-card .fc-title{font-size:12px;letter-spacing:.08em;color:var(--dark-text-2);margin-bottom:10px;}
.float-card .fc-bar{height:8px;border-radius:6px;background:rgba(255,255,255,.14);margin-bottom:8px;}
.float-card .fc-bar.short{width:62%;}
.float-card .fc-dot{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--signal);margin-top:10px;}

/* ---------- main grid blocks ---------- */
.feature-big{
  display:grid;grid-template-columns:1.15fr 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-big:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.feature-big .fb-media{overflow:hidden;height:100%;}
.feature-big .fb-media img{width:100%;height:100%;min-height:300px;object-fit:cover;transition:transform .4s var(--ease);}
.feature-big:hover .fb-media img{transform:scale(1.03);}
.feature-big .fb-body{padding:32px 34px;display:flex;flex-direction:column;gap:14px;justify-content:center;}
.feature-big h3{font-size:22px;line-height:1.4;}
.feature-big p{color:var(--ink-2);font-size:15px;}
.meta-row{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-3);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6CAD8;align-self:center;}

.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F4C9B8;}
.info-card .ic-media{overflow:hidden;aspect-ratio:16/9;}
.info-card .ic-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.info-card:hover .ic-media img{transform:scale(1.03);}
.info-card .ic-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.info-card h3{font-size:18px;line-height:1.5;}
.info-card p{font-size:14.5px;color:var(--ink-2);}
.info-card .ic-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;box-shadow:var(--shadow-card);
}
.compare-card h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:6px;}
.compare-card h3 .num{
  font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--primary);
  line-height:1;letter-spacing:.02em;
}
.compare-card .cc-sub{font-size:13.5px;color:var(--ink-3);margin-bottom:18px;}
.compare-row{
  display:grid;grid-template-columns:110px 1fr;gap:14px;
  padding:13px 0;border-top:1px dashed var(--line);
  font-size:14.5px;
}
.compare-row dt{color:var(--ink-3);font-weight:600;}
.compare-row dd{margin:0;color:var(--ink-2);}
.compare-row .ok{color:var(--ok);font-weight:700;}
.compare-row .warn{color:var(--warn);font-weight:700;}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.related-card h3{font-size:17px;}
.related-card p{font-size:14px;color:var(--ink-2);}
.related-card .link-arrow{margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);background:#FCFCFF;}
.faq-item summary .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--line-2);color:var(--ink-2);
  display:grid;place-items:center;font-size:15px;line-height:1;
  transition:transform .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary .sign{transform:rotate(180deg);border-color:var(--primary);color:var(--primary);}
.faq-body{padding:0 26px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:760px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(180deg,#12142A,#191C3C);
  border-radius:22px;padding:48px 46px;
  box-shadow:0 18px 48px rgba(15,17,36,.28);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-110px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,90,43,.42),transparent 66%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 6px);
  opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.cta-inner p{color:var(--dark-text-2);margin-top:12px;font-size:15px;}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 220px;height:46px;padding:0 16px;
  border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:#fff;font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.5);}
.subscribe input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,90,43,.18);}
.subscribe input.is-error{border-color:var(--err);}
.form-hint{margin-top:10px;font-size:13px;color:rgba(255,255,255,.6);}
.form-msg{margin-top:8px;font-size:13px;color:#FFB79C;min-height:18px;}

/* ---------- footer ---------- */
.site-footer{background:#12142A;color:rgba(255,255,255,.72);padding:66px 0 26px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:34px;}
.footer-brand .brand-text{color:#fff;font-size:16.5px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.footer-social a{
  padding:7px 14px;border-radius:999px;font-size:13px;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.78);
}
.footer-social a:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,90,43,.1);}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--primary);}
.footer-sub p{font-size:13.5px;margin-bottom:14px;}
.footer-sub .subscribe input{background:rgba(255,255,255,.06);}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid var(--dark-line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:var(--primary);}
.footer-bottom a:hover{text-decoration:underline;text-underline-offset:3px;}

.to-top{
  position:fixed;right:22px;bottom:26px;z-index:80;
  width:46px;height:46px;border-radius:14px;border:0;
  background:var(--primary);color:#fff;font-size:17px;
  box-shadow:0 12px 28px rgba(255,90,43,.35);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--primary-deep);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-toggle{display:grid;}
  .nav-inner{height:64px;gap:14px;}
  .mega-wrap{display:none;}
  .section{padding:64px 0;}
  .hero-split{grid-template-columns:1fr;gap:36px;}
  .hero-figure .float-card{left:auto;right:14px;bottom:-18px;width:200px;}
  .feature-big{grid-template-columns:1fr;}
  .feature-big .fb-media img{min-height:240px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .cat-hero{padding:40px 0 56px;}
  .hero-split h1{font-size:clamp(26px,7vw,34px);}
  .hero-split .hero-lead{font-size:15.5px;}
  .hero-cta .btn{width:100%;}
  .hero-figure img{aspect-ratio:16/10;}
  .hero-figure .float-card{position:static;width:100%;margin-top:16px;}
  .card-grid{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .compare-row{grid-template-columns:92px 1fr;font-size:14px;}
  .related-grid{grid-template-columns:1fr;}
  .feature-big .fb-body{padding:24px 20px;}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 20px;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .subscribe input{flex:1 1 100%;}
  .subscribe .btn{width:100%;}
  .site-footer{padding:48px 0 22px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:14px;bottom:16px;}
}
@media (max-width:380px){
  .brand-text{font-size:14px;}
  .hero-split h1{font-size:24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A2B;
  --brand-deep:#E64A1E;
  --brand-soft:#FFF1EB;
  --ink:#141628;
  --ink-2:#4E5468;
  --ink-3:#8A90A6;
  --dark:#0F1124;
  --dark-2:#191C3C;
  --dark-3:#12142A;
  --cyan:#2BD9C4;
  --ok:#2BB673;
  --warn:#F2A93B;
  --err:#E5484D;
  --bg:#F7F8FC;
  --surface:#FFFFFF;
  --line:#E8EAF3;
  --line-dark:rgba(255,255,255,.12);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh:0 6px 24px rgba(20,22,40,.06);
  --sh-h:0 14px 36px rgba(20,22,40,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --num:"Barlow Semi Condensed","Rajdhani",Inter,"HarmonyOS Sans SC","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button,input{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15;font-weight:800;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:16px;font-weight:600;}
::selection{background:var(--brand);color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* 容器 */
.container{max-width:1240px;margin:0 auto;padding:0 40px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block;border-radius:2px;}

/* 页头导航 */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(15,17,36,.72);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.site-header.is-scrolled{
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 22px rgba(20,22,40,.07);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,#FF5A2B,#FF7A3D);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 6px 16px rgba(255,90,43,.32);
}
.brand-text{font-weight:700;font-size:17px;color:#fff;letter-spacing:.2px;white-space:nowrap;}
.site-header.is-scrolled .brand-text{color:var(--ink);}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 13px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.78);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);height:3px;}
.site-header.is-scrolled .nav-link{color:var(--ink-2);}
.site-header.is-scrolled .nav-link:hover{color:var(--brand);}
.site-header.is-scrolled .nav-link.is-active{color:var(--brand);}

.nav-actions{display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 16px;border-radius:var(--r-btn);cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:14px;font-weight:600;
  transition:all .22s var(--ease);
}
.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{
  border-color:var(--brand);color:var(--brand);background:rgba(255,90,43,.1);
}
.mega-trigger .arrow{transition:transform .22s var(--ease);font-size:11px;}
.mega-trigger[aria-expanded="true"] .arrow{transform:rotate(180deg);}
.site-header.is-scrolled .mega-trigger{
  background:#fff;border-color:var(--line);color:var(--ink-2);
}
.site-header.is-scrolled .mega-trigger:hover,
.site-header.is-scrolled .mega-trigger[aria-expanded="true"]{
  color:var(--brand);border-color:var(--brand);
}

.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:640px;
  background:#fff;border-radius:16px;border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(20,22,40,.18);
  padding:22px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  z-index:80;
}
.mega-wrap:hover .mega-panel,
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.mega-col h4{font-size:12px;letter-spacing:.12em;color:var(--ink-3);margin-bottom:12px;font-weight:700;}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 10px;border-radius:9px;font-size:14px;color:var(--ink);font-weight:600;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.mega-link em{font-style:normal;font-size:12px;color:var(--ink-3);font-weight:500;}
.mega-link:hover{background:var(--brand-soft);color:var(--brand);}
.mega-link:hover em{color:var(--brand-deep);}
.mega-item{display:block;padding:9px 10px;border-radius:9px;transition:background .18s var(--ease);}
.mega-item strong{display:block;font-size:14px;font-weight:600;line-height:1.5;}
.mega-item span{font-size:12px;color:var(--ink-3);}
.mega-item:hover{background:#F4F5FA;}
.mega-item:hover strong{color:var(--brand);}
.mega-foot{
  display:flex;align-items:center;gap:14px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
}
.mega-foot img{width:112px;height:63px;object-fit:cover;border-radius:10px;}
.mega-foot p{font-size:14px;color:var(--ink-2);margin-bottom:2px;}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;margin:3px auto;transition:all .22s var(--ease);}
.site-header.is-scrolled .nav-toggle{background:#fff;border-color:var(--line);}
.site-header.is-scrolled .nav-toggle span{background:var(--ink);}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;pointer-events:none;
}
.drawer-mask{
  position:absolute;inset:0;background:rgba(9,11,26,.62);
  opacity:0;transition:opacity .26s var(--ease);
}
.drawer-body{
  position:absolute;top:0;right:0;height:100%;width:min(88vw,400px);
  background:#fff;padding:24px 22px 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s var(--ease);
}
.drawer.is-open{pointer-events:auto;}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer.is-open .drawer-body{transform:translateX(0);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  cursor:pointer;font-size:18px;line-height:1;display:grid;place-items:center;margin-left:auto;
}
.drawer-group{margin-top:26px;}
.drawer-group h4{font-size:12px;letter-spacing:.12em;color:var(--ink-3);margin-bottom:10px;}
.drawer-group a{
  display:block;padding:11px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--ink);
}
.drawer-group a:hover,.drawer-group a.is-active{background:var(--brand-soft);color:var(--brand);}
.drawer-group a em{font-style:normal;font-size:12px;color:var(--ink-3);font-weight:500;margin-left:6px;}
.drawer-cta{margin-top:26px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);border:0;cursor:pointer;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#FF5A2B,#FF7A3D);color:#fff;
  box-shadow:0 8px 20px rgba(255,90,43,.28);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#E64A1E,#FF5A2B);
  transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,43,.36);
}
.btn-primary:active{transform:translateY(0);filter:saturate(.86);}
.btn-ghost{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{border-color:var(--brand);background:rgba(255,90,43,.1);color:#fff;}
.btn-ghost-light{background:transparent;color:var(--ink);border:1.5px solid #E0E3EF;}
.btn-ghost-light:hover{border-color:var(--brand);background:rgba(255,90,43,.06);color:var(--brand);}
.btn-sm{padding:11px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:700;font-size:14px;
  border-bottom:1px solid transparent;transition:all .2s var(--ease);
}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover{border-bottom-color:var(--brand);}
.link-arrow:hover span{transform:translateX(4px);}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--brand-soft);color:var(--brand);
}
.badge-status{
  background:transparent;border:1px solid rgba(43,217,196,.55);color:#1FA795;
}
.badge-status::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);display:block;
}
.tag{
  display:inline-block;padding:5px 11px;border-radius:999px;
  background:#F1F2F7;color:var(--ink-2);font-size:12px;letter-spacing:.04em;
  transition:all .2s var(--ease);
}
.tag:hover{background:var(--brand-soft);color:var(--brand);}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#0F1124 0%,#191C3C 100%);
  color:#fff;
  padding:64px 0 78px;
}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 380px at 84% 8%,rgba(255,90,43,.20),transparent 70%),
    linear-gradient(180deg,rgba(15,17,36,.88),rgba(15,17,36,.94));
}
.hero-grid-lines{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{
  background:linear-gradient(135deg,#FF7A3D,#FF5A2B);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.76);max-width:600px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:34px;margin-top:40px;
  padding-top:26px;border-top:1px solid var(--line-dark);
}
.metric b{
  display:block;font-family:var(--num);font-size:30px;font-weight:700;line-height:1.1;
  color:#fff;letter-spacing:.01em;
}
.metric span{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.04em;}
.hero-visual{position:relative;}
.hero-shot{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-dark);
  box-shadow:var(--sh-dark);
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-panel{
  position:absolute;left:-26px;bottom:-30px;width:246px;
  background:rgba(15,17,36,.86);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:16px;
  box-shadow:var(--sh-dark);
}
.hero-panel h4{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.6);margin-bottom:12px;font-weight:700;}
.panel-field{
  height:34px;border-radius:8px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);margin-bottom:9px;
  display:flex;align-items:center;padding:0 10px;
  font-size:12px;color:rgba(255,255,255,.5);
}
.panel-field.filled{border-color:rgba(43,217,196,.5);color:rgba(43,217,196,.92);}
.panel-btn{
  height:36px;border-radius:8px;background:linear-gradient(135deg,#FF5A2B,#FF7A3D);
  display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff;margin-top:4px;
  box-shadow:0 8px 18px rgba(255,90,43,.3);
}

/* 页内锚点条 */
.anchor-bar{
  position:sticky;top:72px;z-index:50;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;align-items:center;gap:6px;height:58px;overflow-x:auto;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex-shrink:0;padding:8px 14px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .2s var(--ease);white-space:nowrap;
}
.anchor-inner a:hover{background:var(--brand-soft);color:var(--brand);}
.anchor-label{
  flex-shrink:0;font-family:var(--num);font-size:12px;letter-spacing:.14em;
  color:var(--ink-3);margin-right:10px;font-weight:700;
}

/* 时间轴 */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:47px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(255,90,43,.55),rgba(43,217,196,.35),rgba(232,234,243,.9));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:96px 1fr;gap:26px;
  padding-bottom:28px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-index{
  position:relative;z-index:2;
  width:96px;height:64px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh);
  display:grid;place-items:center;
  font-family:var(--num);font-size:30px;font-weight:700;color:var(--brand);line-height:1;
  transition:all .24s var(--ease);
}
.tl-item:hover .tl-index{
  border-color:var(--brand);color:#fff;
  background:linear-gradient(135deg,#FF5A2B,#FF7A3D);
  box-shadow:0 12px 26px rgba(255,90,43,.28);
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:24px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tl-item:hover .tl-card{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#DFE3F2;}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.tl-card h3{margin-bottom:10px;}
.tl-card p{color:var(--ink-2);font-size:15px;line-height:1.85;max-width:760px;}
.tl-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-3);
}
.tl-foot .link-arrow{margin-left:auto;}

/* 要点提示卡 */
.tips{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#0F1124,#191C3C);
  border-radius:22px;padding:44px;color:#fff;
}
.tips::before{
  content:"";position:absolute;right:-80px;top:-100px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,43,.26),transparent 68%);
}
.tips-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;}
.tips h2{color:#fff;margin-bottom:14px;}
.tips-lead{color:rgba(255,255,255,.72);font-size:15.5px;}
.tips-list{display:grid;gap:12px;}
.tip-row{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  border-radius:14px;padding:16px 18px;font-size:14.5px;color:rgba(255,255,255,.82);
}
.tip-row i{
  flex-shrink:0;width:22px;height:22px;border-radius:7px;font-style:normal;
  background:rgba(43,217,196,.16);color:var(--cyan);font-size:12px;font-weight:700;
  display:grid;place-items:center;margin-top:3px;
}

/* FAQ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:#DFE3F2;box-shadow:var(--sh-h);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;font-family:var(--num);font-size:22px;color:var(--brand);
  line-height:1;transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(135deg);}
.faq-item summary:hover{color:var(--brand);}
.faq-body{
  padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.85;
  border-top:1px solid var(--line);margin-top:2px;padding-top:16px;
}

/* 相关分类 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#DFE3F2;}
.rel-thumb{overflow:hidden;}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:22px;}
.rel-body h3{margin:12px 0 10px;}
.rel-body p{color:var(--ink-2);font-size:14.5px;line-height:1.8;}
.rel-body .link-arrow{margin-top:14px;}

/* CTA 横幅 */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;
  background:linear-gradient(120deg,#0F1124,#1C2044 60%,#2A2F55);
  padding:52px 48px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,43,.3),transparent 70%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;}
.cta-form{display:flex;gap:10px;}
.cta-form input{
  flex:1;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.07);padding:0 16px;color:#fff;font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.45);}
.cta-form input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,90,43,.16);
}
.cta-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.5);}

/* 订阅表单（页脚） */
.subscribe{display:flex;gap:8px;margin-top:12px;}
.subscribe input{
  flex:1;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);padding:0 14px;color:#fff;font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42);}
.subscribe input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,43,.16);}
.form-msg{margin-top:8px;font-size:12.5px;color:var(--cyan);min-height:18px;}

/* 页脚 */
.site-footer{
  background:#12142A;color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  padding:7px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.16);
  font-size:12.5px;color:rgba(255,255,255,.72);
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);background:rgba(255,90,43,.08);}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--brand);}
.footer-sub p{font-size:13.5px;color:rgba(255,255,255,.58);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.68);}
.footer-bottom a:hover{color:var(--brand);}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:14px;cursor:pointer;
  border:1px solid var(--line);background:#fff;color:var(--brand);font-size:18px;
  box-shadow:var(--sh-h);display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .26s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}

/* 响应式 */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .mega-panel{width:560px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-toggle{display:grid;}
  .mega-wrap{display:none;}
  .section{padding:64px 0;}
  .hero{padding:48px 0 60px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-lead{max-width:100%;}
  .hero-panel{position:static;width:auto;margin-top:16px;}
  .anchor-bar{top:60px;}
  .nav-inner{height:60px;}
  .tips-grid{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:26px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-sub{grid-column:1/-1;order:-1;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .brand-text{font-size:15px;white-space:normal;line-height:1.25;max-width:150px;}
  .hero{padding:36px 0 48px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:22px;}
  .metric b{font-size:24px;}
  .timeline::before{left:20px;}
  .tl-item{grid-template-columns:1fr;gap:14px;padding-left:0;}
  .tl-index{
    width:44px;height:44px;font-size:18px;border-radius:12px;
    position:relative;z-index:3;
  }
  .tl-card{padding:20px;}
  .tl-foot .link-arrow{margin-left:0;}
  .tips{padding:28px 22px;border-radius:18px;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-item summary{padding:17px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 18px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:420px){
  .metric b{font-size:21px;}
  .anchor-inner a{padding:7px 11px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}