/* roulang page: index */
:root{
  --primary:#FF4D2E;
  --primary-dark:#C42A16;
  --magenta:#FF2D6F;
  --grad:linear-gradient(135deg,#FF4D2E 0%,#FF2D6F 100%);
  --ink:#0E3B36;
  --green:#0FA37F;
  --gold:#FFC93C;
  --bg:#FFF8F3;
  --bg-alt:#F4EFE9;
  --card:#FFFFFF;
  --line:#EFE6DE;
  --t1:#14161A;
  --t2:#4A5058;
  --t3:#8A9099;
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-img:18px;
  --r-in:14px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(20,22,26,.05);
  --sh2:0 10px 30px rgba(20,22,26,.08);
  --sh3:0 22px 56px rgba(255,77,46,.22);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
.num,.stat b,.price-num,.news-time{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
::selection{background:rgba(255,77,46,.18)}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media(min-width:1440px){.container{max-width:1240px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:800;letter-spacing:.2px;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:var(--grad);background-size:160% 160%;color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh3);background-position:100% 0}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh1)}
.btn-ghost{background:#fff;border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(20,22,26,.14)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(20,22,26,.2)}
.btn-sm{padding:11px 22px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--ink);
  transition:color var(--ease)
}
.link-more i{transition:transform var(--ease)}
.link-more:hover{color:var(--primary)}
.link-more:hover i{transform:translateX(3px)}
:focus-visible{outline:3px solid rgba(255,77,46,.5);outline-offset:3px;border-radius:6px}

/* ---------- 徽章 / 标签 ---------- */
.stat{
  display:inline-flex;align-items:baseline;gap:8px;padding:9px 18px;
  border:1.5px solid var(--gold);border-radius:var(--r-pill);background:#fff;
}
.stat b{font-size:20px;font-weight:800;color:var(--ink);line-height:1.1}
.stat span{font-size:12px;color:var(--t3);letter-spacing:.2px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(15,163,127,.1);color:#0B6E56;
  font-size:13px;font-weight:700;
}
.tag-gray{background:rgba(14,59,54,.07);color:var(--ink)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease)
}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.2px}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:14px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,77,46,.3)
}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-links a{
  position:relative;padding:9px 12px;font-size:14.5px;color:var(--t2);font-weight:600;
  border-radius:var(--r-pill);transition:color var(--ease),background var(--ease);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:3px;border-radius:2px;
  background:var(--grad);transform:translateX(-50%);transition:width var(--ease)
}
.nav-links a:hover{color:var(--t1);background:rgba(255,77,46,.06)}
.nav-links a:hover::after{width:20px}
.nav-links a.active{color:var(--primary-dark);font-weight:800}
.nav-links a.active::after{width:22px}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-cta{min-width:132px;height:44px;padding:0 22px}
.hamburger{
  display:none;width:44px;height:44px;border:1.5px solid var(--line);background:#fff;
  border-radius:14px;cursor:pointer;align-items:center;justify-content:center;font-size:17px;color:var(--ink)
}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,26,.45);opacity:0;pointer-events:none;
  transition:opacity .28s ease;z-index:79
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86vw;max-width:370px;background:#fff;z-index:80;
  transform:translateX(105%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  box-shadow:-16px 0 48px rgba(20,22,26,.16)
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:16px;color:var(--ink)
}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:13px 14px;border-radius:14px;font-size:15.5px;font-weight:600;color:var(--t2);
  transition:background var(--ease),color var(--ease)
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--bg-alt);color:var(--primary-dark)}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:70px 0 92px}
.hero::before{
  content:"";position:absolute;top:-140px;right:-90px;width:540px;height:540px;
  background:radial-gradient(circle,rgba(255,45,111,.18),rgba(255,77,46,0) 70%);
  filter:blur(80px);pointer-events:none
}
.hero::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,201,60,.16),rgba(255,201,60,0) 70%);
  filter:blur(80px);pointer-events:none
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--ink);
  box-shadow:var(--sh1);margin-bottom:20px
}
.eyebrow i{color:var(--primary)}
.hero h1{
  font-size:clamp(34px,5vw,58px);line-height:1.12;font-weight:800;letter-spacing:-1px
}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent
}
.hero-sub{margin-top:20px;font-size:17px;color:var(--t2);max-width:520px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-visual{position:relative}
.hero-main{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh2);aspect-ratio:4/3;background:var(--grad)
}
.hero-main img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;right:-16px;bottom:-30px;width:54%;aspect-ratio:16/9;
  border-radius:16px;overflow:hidden;border:4px solid #fff;box-shadow:var(--sh2);background:var(--grad)
}
.hero-float img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;left:-16px;top:26px;background:#fff;border:1.5px solid var(--gold);
  border-radius:var(--r-pill);padding:9px 16px;box-shadow:var(--sh1);display:flex;align-items:baseline;gap:8px
}
.hero-badge b{font-size:18px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-badge span{font-size:11.5px;color:var(--t3)}
.img-broken{opacity:0}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.sec-title{
  display:flex;align-items:center;gap:12px;font-size:clamp(26px,3.4vw,40px);
  line-height:1.2;font-weight:800;letter-spacing:-.5px
}
.sec-title::before{content:"";width:4px;height:28px;border-radius:3px;background:var(--grad);flex:0 0 4px}
.sec-sub{margin-top:14px;color:var(--t2);max-width:660px}

/* ---------- 服务价值 ---------- */
.value-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;align-items:stretch}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.value-main{padding:28px;display:flex;flex-direction:column;gap:18px}
.value-num{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums
}
.value-main h3{font-size:24px;font-weight:800;line-height:1.35}
.value-main p{color:var(--t2)}
.value-figure{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:var(--grad);border:1px solid var(--line)}
.value-figure img{width:100%;height:100%;object-fit:cover}
.value-side{display:flex;flex-direction:column;gap:16px}
.mini-card{padding:22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.mini-card .mini-head{display:flex;align-items:center;gap:12px}
.mini-icon{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(14,59,54,.07);color:var(--ink);font-size:15px
}
.mini-card h4{font-size:18px;font-weight:700}
.mini-card p{font-size:15px;color:var(--t2);line-height:1.75}

/* ---------- 流程演示 ---------- */
.demo-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center}
.steps{position:relative;margin-top:8px}
.step{display:flex;gap:16px;padding-bottom:26px;position:relative}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:15px;top:36px;bottom:2px;border-left:2px dashed var(--line)
}
.step:last-child::before{display:none}
.step-dot{
  width:32px;height:32px;flex:0 0 32px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(255,77,46,.28)
}
.step-body h4{font-size:18px;font-weight:700;margin-bottom:4px}
.step-body p{font-size:15px;color:var(--t2);line-height:1.75}
.demo-visual{position:relative}
.demo-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh2);aspect-ratio:16/11;background:var(--grad);position:relative
}
.demo-card img{width:100%;height:100%;object-fit:cover}
.demo-badge{position:absolute;background:#fff;border-radius:var(--r-pill);padding:10px 16px;box-shadow:var(--sh2);display:flex;align-items:baseline;gap:8px}
.demo-badge b{font-size:19px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.demo-badge span{font-size:11.5px;color:var(--t3)}
.demo-badge.b1{left:20px;bottom:22px;border:1.5px solid var(--gold)}
.demo-badge.b2{right:20px;top:22px;border:1.5px solid var(--ink)}

/* ---------- 证据 ---------- */
.proof-scroll{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;
  scrollbar-width:thin
}
.proof-scroll::-webkit-scrollbar{height:6px}
.proof-scroll::-webkit-scrollbar-thumb{background:rgba(14,59,54,.2);border-radius:99px}
.proof-card{
  flex:0 0 340px;scroll-snap-align:start;padding:24px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh1);
  display:flex;flex-direction:column;gap:16px;
  transition:transform var(--ease),box-shadow var(--ease)
}
.proof-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.proof-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;flex:0 0 44px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px
}
.proof-quote{font-size:15.5px;color:var(--t2);line-height:1.78}
.proof-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;border-top:1px solid var(--line)}
.proof-name{font-size:13.5px;color:var(--t2);font-weight:600}
.proof-name span{display:block;font-size:12px;color:var(--t3);font-weight:400}
.partner-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}
.partner{
  display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:700;color:var(--ink);
  box-shadow:var(--sh1)
}
.partner i{color:var(--green);font-size:13px}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 28px;box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease)
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.price-card.featured{
  transform:translateY(-12px);
  box-shadow:var(--sh2);
  border:1.5px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box
}
.price-card.featured:hover{transform:translateY(-16px);box-shadow:var(--sh3)}
.price-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--gold);color:#3A2A00;font-size:12.5px;font-weight:800;
  padding:5px 16px;border-radius:var(--r-pill);white-space:nowrap
}
.price-name{font-size:17px;font-weight:700;color:var(--ink)}
.price-desc{font-size:13.5px;color:var(--t3);margin-top:4px}
.price-line{display:flex;align-items:baseline;gap:8px;margin:22px 0 6px}
.price-num{font-size:44px;font-weight:800;line-height:1;letter-spacing:-1px}
.price-unit{font-size:14px;color:var(--t3)}
.feat{margin:22px 0 26px;display:flex;flex-direction:column;gap:2px}
.feat li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t2);padding:7px 0;line-height:1.6}
.feat i{color:var(--green);font-size:14px;margin-top:5px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease)
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.news-thumb{display:block;aspect-ratio:16/9;background:var(--grad);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body h3{
  font-size:19px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.news-body h3 a{transition:color var(--ease)}
.news-body h3 a:hover{color:var(--primary-dark)}
.news-sum{
  font-size:14.5px;color:var(--t2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.news-time{font-size:13px;color:var(--t3)}
.empty-box{
  grid-column:1/-1;border:1px dashed rgba(14,59,54,.28);border-radius:var(--r-md);
  padding:52px 24px;text-align:center;background:#fff
}
.empty-box i{font-size:26px;color:var(--primary);margin-bottom:14px;display:block}
.empty-box p{color:var(--t2);margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq{max-width:880px;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%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 4px;font-size:20px;font-weight:700;line-height:1.5;color:var(--t1);
  transition:color var(--ease)
}
.faq-q:hover{color:var(--primary-dark)}
.faq-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:800;transition:transform .25s ease
}
.faq-item.open .faq-mark{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 60px 26px 4px;color:var(--t2);font-size:16px;line-height:1.85}
.faq-a-inner strong{color:var(--ink)}

/* ---------- 尾部横幅 ---------- */
.cta-band{background:var(--grad);padding:76px 0}
.cta-inner{
  border-radius:var(--r-xl);border:1px solid rgba(255,255,255,.35);
  padding:56px 32px;text-align:center;color:#fff
}
.cta-inner h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:800;letter-spacing:-.5px}
.cta-inner p{margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.92);max-width:640px;margin-left:auto;margin-right:auto}
.cta-inner .btn{margin-top:30px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,248,243,.78);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,248,243,.7)}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:rgba(255,248,243,.72);transition:color var(--ease),padding-left var(--ease)}
.footer-links a:hover{color:var(--gold);padding-left:4px}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input,.footer-form textarea{
  width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-in);padding:12px 14px;color:#fff;font-size:14.5px;
  transition:border-color var(--ease),box-shadow var(--ease)
}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:rgba(255,248,243,.45)}
.footer-form input:focus,.footer-form textarea:focus{
  outline:none;border-color:transparent;
  box-shadow:0 0 0 2px var(--primary),0 0 0 4px rgba(255,45,111,.35)
}
.footer-form textarea{resize:vertical;min-height:74px}
.footer-form .err{font-size:12.5px;color:#FFB3A5;display:none}
.footer-form.has-error .err{display:block}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,248,243,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,248,243,.55)
}
.footer-bottom a{color:rgba(255,248,243,.68)}
.footer-bottom a:hover{color:var(--gold)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  opacity:0;transform:translateY(22px);pointer-events:none;
  transition:opacity .24s ease,transform .24s ease;
  box-shadow:var(--sh3)
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}

/* ---------- 响应式 ---------- */
@media(max-width:1280px){
  .nav-links a{padding:9px 9px;font-size:14px}
}
@media(max-width:1024px){
  .nav-links,.nav-actions .btn-ghost{display:none}
  .hamburger{display:inline-flex}
  .nav{height:64px}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .hero-visual{max-width:560px}
  .section{padding:76px 0}
  .value-grid{grid-template-columns:1fr}
  .demo-grid{grid-template-columns:1fr;gap:40px}
  .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:768px){
  body{padding-bottom:56px}
  .container{padding:0 16px}
  .hero{padding:44px 0 60px}
  .hero-float{right:-8px;bottom:-20px}
  .hero-badge{left:-8px;top:14px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .news-grid{grid-template-columns:1fr}
  .proof-card{flex:0 0 84%}
  .faq-q{font-size:17.5px;padding:22px 2px}
  .faq-a-inner{padding:0 8px 22px 2px;font-size:15.5px}
  .cta-inner{padding:40px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .float-cta{
    left:0;right:0;bottom:0;transform:translateY(100%);
    border-radius:0;height:56px;padding:0 16px calc(env(safe-area-inset-bottom) / 2);
    display:flex;align-items:center;justify-content:center;width:100%
  }
  .float-cta.show{transform:translateY(0)}
}
@media(max-width:520px){
  .stat{flex:1 1 44%}
  .hero-btns .btn{width:100%}
  .brand{font-size:17px}
  .price-card{padding:26px 20px}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --brand:#FF4D2E;
  --brand-deep:#C42A16;
  --magenta:#FF2D6F;
  --grad:linear-gradient(135deg,#FF4D2E 0%,#FF2D6F 100%);
  --ink:#0E3B36;
  --green:#0FA37F;
  --gold:#FFC93C;
  --bg:#FFF8F3;
  --bg-alt:#F4EFE9;
  --card:#FFFFFF;
  --line:#EFE6DE;
  --t1:#14161A;
  --t2:#4A5058;
  --t3:#8A9099;
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-img:18px;
  --r-input:14px;
  --sh1:0 2px 8px rgba(20,22,26,.05);
  --sh2:0 10px 30px rgba(20,22,26,.08);
  --sh3:0 22px 56px rgba(255,77,46,.22);
  --container:1180px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
/* ===== reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16.5px;line-height:1.85;color:var(--t1);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num,.stat strong,.price,.meta-time{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,77,46,.45);outline-offset:2px;border-radius:8px}

/* ===== 容器 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1240px}}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 30px;font-weight:800;font-size:15.5px;line-height:1;white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,background .25s ease,color .2s ease;border:1.5px solid transparent}
.btn i{font-size:13px;transition:transform .2s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,77,46,.24)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-ghost:active{transform:translateY(1px)}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);font-size:15px}
.link-more i{transition:transform .2s ease}
@media (hover:hover){
  .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh3)}
  .btn-ghost:hover{background:var(--ink);color:#fff}
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(14,59,54,.28)}
  .link-more:hover{color:var(--brand)}
  .link-more:hover i{transform:translateX(4px)}
}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;line-height:1.4}
.badge-green{background:rgba(15,163,127,.1);color:#0B7A60;border:1px solid rgba(15,163,127,.22)}
.badge-gold{border:1px solid var(--gold);color:#8A6400;background:#FFFDF6}
.badge-ink{border:1px solid rgba(14,59,54,.28);color:var(--ink);background:#fff}

/* ===== 头部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:var(--sh1)}
.nav{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.3px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;box-shadow:0 6px 16px rgba(255,77,46,.28)}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{position:relative;padding:8px 10px;font-size:14.5px;color:var(--t2);border-radius:999px;white-space:nowrap}
.nav-links a.active{color:var(--brand-deep);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:10px;right:10px;bottom:1px;height:3px;border-radius:3px;background:var(--grad)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.nav-cta{min-width:132px;height:44px;padding:0 22px}
.hamburger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px}
@media (hover:hover){
  .nav-links a:hover{color:var(--t1);background:#fff}
}
/* ===== 移动抽屉 ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,26,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:86vw;max-width:380px;background:var(--bg);z-index:90;transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:22px 20px 0;box-shadow:-20px 0 50px rgba(20,22,26,.16)}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink)}
.drawer-links{display:flex;flex-direction:column;gap:2px;padding:16px 0;overflow-y:auto}
.drawer-links a{padding:13px 12px;border-radius:14px;font-size:16px;color:var(--t2)}
.drawer-links a.active{background:#fff;color:var(--brand-deep);font-weight:700;box-shadow:var(--sh1)}
.drawer-foot{margin-top:auto;padding:16px 0 calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}

/* ===== 页头带 ===== */
.page-band{position:relative;overflow:hidden;background:var(--bg-alt);border-bottom:1px solid var(--line);padding:54px 0 50px;min-height:260px}
.page-band::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.08}
.page-band::after{content:"";position:absolute;right:-70px;top:-90px;width:320px;height:320px;border-radius:50%;background:var(--grad);opacity:.18;filter:blur(80px)}
.band-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:36px;align-items:center}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--t3);margin-bottom:14px}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb em{font-style:normal;color:var(--t3)}
.page-band h1{font-size:clamp(30px,4vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.4px;margin-bottom:14px}
.page-band h1 span{display:block;font-size:.62em;font-weight:700;color:var(--brand-deep);letter-spacing:0;margin-top:8px}
.band-sub{font-size:16.5px;color:var(--t2);max-width:560px;margin-bottom:24px}
.band-card{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh2);background:var(--grad)}
.band-card img{width:100%;height:210px;object-fit:cover}
.band-tag{position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.94);color:var(--ink);font-size:12.5px;font-weight:700;padding:7px 14px;border-radius:999px;border:1px solid var(--line)}

/* ===== 板块通用 ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{position:relative;font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:800;letter-spacing:-.4px;padding-left:20px;margin-bottom:14px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:4px;background:var(--grad)}
.sec-head p{color:var(--t2);font-size:16.5px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head-row .sec-head{margin-bottom:0}

/* ===== 数据徽章条 ===== */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-98px;position:relative;z-index:5}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease}
.stat strong{display:block;font-size:34px;font-weight:800;line-height:1.15;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;font-size:13.5px;color:var(--t3);margin-top:4px}
@media (hover:hover){.stat:hover{transform:translateY(-4px);box-shadow:var(--sh2)}}

/* ===== 流程图文区块 ===== */
.flow{display:flex;flex-direction:column;gap:28px}
.flow-block{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh1);transition:box-shadow .2s ease,transform .2s ease}
.flow-block:nth-child(even) .flow-media{order:2}
.flow-no{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;background:var(--grad);color:#fff;font-weight:800;font-size:16px;margin-bottom:14px;box-shadow:0 8px 20px rgba(255,77,46,.22)}
.flow-block h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:12px}
.flow-block p{color:var(--t2);font-size:16px;margin-bottom:12px}
.flow-list{margin:16px 0 20px;display:flex;flex-direction:column;gap:10px}
.flow-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--t2)}
.flow-list li::before{content:"";position:absolute;left:6px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--green)}
.flow-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--grad)}
.flow-media img{width:100%;height:280px;object-fit:cover}
@media (hover:hover){.flow-block:hover{transform:translateY(-4px);box-shadow:var(--sh2)}}

/* ===== 宽幅长卡 ===== */
.wide-list{display:flex;flex-direction:column;gap:24px}
.wide-card{display:grid;grid-template-columns:320px minmax(0,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease}
.wide-media{position:relative;background:var(--grad);min-height:230px}
.wide-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.wide-body{padding:28px 32px}
.wide-body h3{font-size:21px;font-weight:700;margin-bottom:10px}
.wide-body p{color:var(--t2);font-size:15.8px;margin-bottom:14px}
.wide-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.wide-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--line)}
.wide-metrics{display:flex;gap:26px;flex-wrap:wrap}
.wide-metrics div strong{display:block;font-size:22px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.wide-metrics div span{font-size:12.5px;color:var(--t3)}
@media (hover:hover){.wide-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}}

/* ===== 自查清单 ===== */
.check-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease}
.check-list i{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(15,163,127,.12);color:var(--green);display:grid;place-items:center;font-size:12px;margin-top:4px}
.check-list strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px}
.check-list span{font-size:14.5px;color:var(--t2)}
.check-aside{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh1);position:sticky;top:96px}
.check-aside h3{font-size:20px;font-weight:700;margin-bottom:12px}
.check-aside p{color:var(--t2);font-size:15.5px;margin-bottom:18px}
.check-aside .aside-img{border-radius:var(--r-img);overflow:hidden;margin-bottom:18px;border:1px solid var(--line);background:var(--grad)}
.check-aside .aside-img img{width:100%;height:180px;object-fit:cover}
@media (hover:hover){.check-list li:hover{transform:translateY(-4px);box-shadow:var(--sh2)}}

/* ===== FAQ ===== */
.faq{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px 28px;text-align:left;font-size:19px;font-weight:700;line-height:1.5}
.faq-ico{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:800;transition:transform .25s ease}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 28px 24px;color:var(--t2);font-size:16px}
.faq-item.open .faq-ico{transform:rotate(45deg)}

/* ===== 相关分类 ===== */
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.rel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease}
.rel-card .rel-media{position:relative;height:190px;background:var(--grad);overflow:hidden}
.rel-card .rel-media img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:24px 26px}
.rel-body h3{font-size:20px;font-weight:700;margin-bottom:8px}
.rel-body p{color:var(--t2);font-size:15px;margin-bottom:14px}
@media (hover:hover){.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}}

/* ===== CTA 横幅 ===== */
.cta-wrap{padding:0 0 96px}
.cta-banner{position:relative;overflow:hidden;background:var(--grad);border-radius:var(--r-xl);padding:56px 48px;box-shadow:0 24px 60px rgba(255,45,111,.22)}
.cta-banner::after{content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.16);filter:blur(40px)}
.cta-banner h2{position:relative;color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;margin-bottom:12px}
.cta-banner p{position:relative;color:rgba(255,255,255,.92);font-size:16.5px;max-width:640px;margin-bottom:26px}
.cta-banner .btn{position:relative}

/* ===== 浮动 CTA ===== */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:9px;padding:15px 26px;border-radius:999px;background:var(--grad);color:#fff;font-weight:800;font-size:15px;box-shadow:0 16px 38px rgba(255,77,46,.34);opacity:0;transform:translateY(24px);visibility:hidden;transition:opacity .24s ease,transform .24s ease,visibility .24s ease}
.float-cta.show{opacity:1;transform:translateY(0);visibility:visible}
@media (hover:hover){.float-cta:hover{transform:translateY(-2px)}}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--brand)}
.footer-form{display:flex;flex-direction:column;gap:10px}
.footer-form input,.footer-form textarea{width:100%;background:#fff;border:1px solid transparent;border-radius:var(--r-input);padding:12px 14px;font-size:14.5px;color:var(--t1)}
.footer-form textarea{min-height:88px;resize:vertical}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:var(--t3)}
.footer-form input:focus,.footer-form textarea:focus{outline:none;border:2px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box}
.footer-form .err{display:none;font-size:13px;color:#FF8A73}
.footer-form .input-error{border:1.5px solid var(--brand)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6)}

/* ===== 图片兜底 ===== */
.media-fallback{background:var(--grad)}
.img-failed{opacity:0}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .nav-links a{font-size:14px;padding:8px 8px}
  .nav-links a.active::after{left:8px;right:8px}
}
@media (max-width:1100px){
  .nav-links{display:none}
  .hamburger{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
}
@media (max-width:1024px){
  .section{padding:76px 0}
  .band-grid{grid-template-columns:1fr;gap:28px}
  .band-card img{height:200px}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-70px}
  .flow-block{grid-template-columns:1fr;gap:24px;padding:26px}
  .flow-block:nth-child(even) .flow-media{order:0}
  .flow-media img{height:230px}
  .wide-card{grid-template-columns:1fr}
  .wide-media{min-height:200px}
  .wide-media img{position:relative;height:200px}
  .check-grid{grid-template-columns:1fr}
  .check-aside{position:static}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .nav{height:60px}
  .nav-cta{display:none}
  .page-band{padding:38px 0 34px;min-height:200px}
  .page-band h1{font-size:28px}
  .band-sub{font-size:15.5px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:-48px}
  .stat{padding:16px 18px}
  .stat strong{font-size:26px}
  .rel-grid{grid-template-columns:1fr}
  .cta-banner{padding:36px 24px;border-radius:var(--r-md)}
  .faq-q{padding:20px;font-size:17px}
  .faq-a p{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .float-cta{right:0;left:0;bottom:0;width:100%;justify-content:center;border-radius:0;padding:18px 20px calc(18px + env(safe-area-inset-bottom));transform:translateY(100%)}
  .float-cta.show{transform:translateY(0)}
  .cta-wrap{padding-bottom:56px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .band-card img{height:170px}
  .flow-block h3{font-size:19px}
  .check-list li{padding:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --primary:#FF4D2E;
  --primary-deep:#C42A16;
  --magenta:#FF2D6F;
  --grad:linear-gradient(135deg,#FF4D2E 0%,#FF2D6F 100%);
  --ink:#0E3B36;
  --jade:#0FA37F;
  --gold:#FFC93C;
  --bg:#FFF8F3;
  --bg-alt:#F4EFE9;
  --card:#FFFFFF;
  --line:#EFE6DE;
  --text:#14161A;
  --text-2:#4A5058;
  --text-3:#8A9099;
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-img:18px;
  --r-input:14px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(20,22,26,.05);
  --sh2:0 10px 30px rgba(20,22,26,.08);
  --sh3:0 22px 56px rgba(255,77,46,.22);
  --container:1180px;
  --num:"SF Mono","JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.num,.mono{font-variant-numeric:tabular-nums;font-family:var(--num)}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid rgba(255,77,46,.55);outline-offset:2px;border-radius:6px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-weight:800;font-size:15.5px;line-height:1;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);background-size:160% 160%;color:#fff;box-shadow:0 8px 22px rgba(255,77,46,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh3);background-position:100% 0}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{opacity:.75;cursor:progress}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);font-size:14.5px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--primary)}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,248,243,.97);border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.scrolled{box-shadow:var(--sh1)}
.nav{height:72px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.2px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;box-shadow:0 6px 16px rgba(255,77,46,.3);
}
.nav-links{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-links a{position:relative;padding:6px 0;font-size:14.5px;font-weight:600;color:var(--text-2);transition:color .18s ease}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;border-radius:3px;background:var(--grad)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-cta{min-width:132px;height:44px;padding:0 22px}
.hamburger{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);place-items:center;font-size:17px;cursor:pointer;
}
.hamburger:hover{border-color:var(--primary);color:var(--primary)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(14,59,54,.44);opacity:0;visibility:hidden;transition:.26s ease;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86vw;max-width:380px;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px 22px calc(20px + env(safe-area-inset-bottom));
  box-shadow:-24px 0 60px rgba(20,22,26,.16);overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;display:grid;place-items:center}
.drawer-close:hover{border-color:var(--primary);color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:13px 14px;border-radius:14px;font-weight:700;font-size:15.5px;color:var(--text-2)}
.drawer-nav a:hover{background:var(--bg-alt);color:var(--ink)}
.drawer-nav a.active{background:rgba(255,77,46,.08);color:var(--primary-deep)}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line)}
.drawer-foot p{font-size:13px;color:var(--text-3);margin-bottom:12px}

/* ============ 文章页头 ============ */
.article-head{background:var(--bg);border-bottom:1px solid var(--line);padding:34px 0 42px;position:relative;overflow:hidden}
.article-head::before{
  content:"";position:absolute;right:-140px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,45,111,.18),rgba(255,77,46,0) 68%);filter:blur(70px);pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;position:relative}
.breadcrumb a{color:var(--text-2);font-weight:600}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{font-size:10px;color:var(--text-3)}
.breadcrumb .current{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}
.article-chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(15,163,127,.12);color:var(--ink);font-size:13px;font-weight:700;margin-bottom:16px;position:relative;
}
.article-title{font-size:clamp(27px,3.4vw,38px);line-height:1.24;font-weight:800;letter-spacing:-.4px;max-width:940px;position:relative}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px;font-size:13px;color:var(--text-3);position:relative}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#D8CCC2;display:inline-block}

/* ============ 布局 ============ */
.article-wrap{padding:48px 0 78px}
.article-layout{display:grid;grid-template-columns:minmax(0,720px) 300px;gap:48px;justify-content:space-between;align-items:start}
.article-cover{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh1);margin-bottom:30px;background:var(--grad)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

.article-body{font-size:16.5px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body>p:first-of-type{font-size:17px;color:var(--text-2)}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:clamp(22px,2.5vw,28px);line-height:1.3;font-weight:800;
  margin:42px 0 16px;padding-left:18px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad)}
.article-body h3{font-size:19.5px;line-height:1.45;font-weight:700;margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--ink)}
.article-body ul{list-style:none;margin:0 0 22px}
.article-body ul li{position:relative;padding-left:26px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:5px;top:.74em;width:8px;height:8px;border-radius:50%;background:var(--jade)}
.article-body ol{list-style:none;counter-reset:olitem;margin:0 0 22px}
.article-body ol li{position:relative;counter-increment:olitem;padding-left:40px;margin-bottom:12px}
.article-body ol li::before{
  content:counter(olitem);position:absolute;left:0;top:.12em;width:27px;height:27px;border-radius:9px;
  background:rgba(255,77,46,.1);color:var(--primary-deep);font-size:13px;font-weight:800;
  display:grid;place-items:center;font-family:var(--num);
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--bg-alt);border-left:4px solid var(--primary);
  border-radius:16px;color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0;width:100%;height:auto;object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--ink);text-decoration:underline;text-decoration-color:rgba(14,59,54,.35);text-underline-offset:3px;transition:color .18s ease}
.article-body a:hover{color:var(--primary);text-decoration-color:var(--primary)}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
}
.article-body thead th{background:var(--bg-alt);font-weight:700;color:var(--ink);text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{background:var(--bg-alt);padding:2px 7px;border-radius:8px;font-family:var(--num);font-size:14.5px}

/* 空态 */
.empty-state{
  border:1px dashed #DECFC3;border-radius:var(--r-md);background:#fff;padding:54px 30px;text-align:center;
}
.empty-state i{font-size:32px;color:var(--primary);margin-bottom:16px;display:block}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15.5px;max-width:460px;margin:0 auto 22px}
.empty-state .placeholder{
  width:64px;height:64px;border-radius:20px;background:var(--grad);opacity:.16;margin:0 auto 18px;
}

/* 标签与操作 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--text-2);
}
.tag:hover{border-color:rgba(255,77,46,.5);color:var(--primary-deep)}
.article-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:24px}

.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.next-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(255,77,46,.35)}
.next-card .kicker{font-size:12.5px;font-weight:700;color:var(--jade);letter-spacing:.4px}
.next-card h4{font-size:17.5px;font-weight:800;margin:8px 0 6px}
.next-card p{font-size:14px;color:var(--text-2);line-height:1.7}

/* 相关推荐 */
.related{margin-top:60px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px;flex-wrap:wrap}
.sec-head h2{position:relative;font-size:clamp(21px,2.3vw,27px);font-weight:800;padding-left:16px;line-height:1.3}
.sec-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad)}
.sec-head p{font-size:14px;color:var(--text-3)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease;height:100%;
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.rcard-media{aspect-ratio:16/9;overflow:hidden;background:var(--grad)}
.rcard-media img{width:100%;height:100%;object-fit:cover}
.rcard-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-body .pill{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--ink);
  background:rgba(15,163,127,.12);border-radius:var(--r-pill);padding:4px 12px;
}
.rcard-body h3{font-size:17px;font-weight:800;line-height:1.45}
.rcard-body p{font-size:14px;color:var(--text-2);line-height:1.7;flex:1}
.rcard-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh1)}
.side-card h3{font-size:16.5px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--primary);font-size:14px}
.side-links{display:flex;flex-direction:column;gap:6px}
.side-links a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;font-size:14.5px;font-weight:700;color:var(--text-2);transition:background .18s ease,color .18s ease}
.side-links a i{font-size:12px;color:var(--text-3)}
.side-links a:hover{background:var(--bg-alt);color:var(--ink)}
.side-links a:hover i{color:var(--primary)}
.check-list{display:flex;flex-direction:column;gap:11px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.check-list li::before{
  content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:50%;background:var(--jade);
}
.side-cta{background:var(--ink);border:0;color:#fff;text-align:center;overflow:hidden;position:relative}
.side-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,46,.5),rgba(255,77,46,0) 70%);filter:blur(24px);
}
.side-cta h3{color:#fff;justify-content:center}
.side-cta p{font-size:14px;color:rgba(255,255,255,.76);margin-bottom:18px;position:relative}
.side-cta .btn{position:relative}

/* ============ CTA 横幅 ============ */
.cta-section{padding:0 0 88px}
.cta-banner{
  border-radius:var(--r-xl);background:var(--grad);padding:56px 48px;text-align:center;color:#fff;
  box-shadow:0 24px 60px rgba(255,45,111,.2);position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);
}
.cta-banner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.28;position:relative}
.cta-banner p{margin:14px auto 26px;max-width:600px;font-size:16px;color:rgba(255,255,255,.9);position:relative}
.cta-banner .btn{background:#fff;color:var(--primary-deep);position:relative}
.cta-banner .btn:hover{box-shadow:0 18px 40px rgba(20,22,26,.22);transform:translateY(-2px)}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.8);position:relative}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:9px;
  padding:14px 24px;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-weight:800;font-size:14.5px;
  box-shadow:0 14px 34px rgba(255,77,46,.32);opacity:0;transform:translateY(14px);
  transition:opacity .24s ease,transform .24s ease;pointer-events:none;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-3px)}
.float-cta i{font-size:13px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:66px 0 26px;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7)}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-links a:hover{color:var(--gold)}
.footer-form{display:flex;flex-direction:column;gap:10px}
.footer-form input,.footer-form textarea{
  width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-input);padding:12px 14px;color:#fff;font-size:14px;
  transition:border-color .18s ease,background .18s ease;
}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:rgba(255,255,255,.45)}
.footer-form input:focus,.footer-form textarea:focus{outline:none;border-color:var(--primary);background:rgba(255,255,255,.1)}
.footer-form textarea{min-height:84px;resize:vertical}
.footer-form .err{display:none;font-size:13px;color:#FFB4A2}
.footer-form.invalid .err{display:block}
.footer-form.invalid input[name="contact"]{border-color:var(--primary)}
.footer-form .ok{display:none;font-size:13px;color:#8FE3C6}
.footer-form.success .ok{display:block}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links{gap:12px}
  .nav-links a{font-size:14px}
}
@media (max-width:1080px){
  .nav-links{display:none}
  .hamburger{display:grid}
  .nav-actions .btn-ghost{display:none}
  .article-layout{grid-template-columns:1fr;gap:38px}
  .article-side{position:static}
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .nav{height:60px}
  .brand{font-size:17px}
  .brand-mark{width:30px;height:30px;border-radius:11px;font-size:15px}
  .nav-cta{min-width:auto;padding:0 16px;height:40px;font-size:14px}
  .article-head{padding:22px 0 30px}
  .article-wrap{padding:30px 0 54px}
  .next-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .cta-banner{padding:38px 22px;border-radius:24px}
  .cta-section{padding-bottom:96px}
  .float-cta{
    left:12px;right:12px;bottom:0;justify-content:center;border-radius:18px 18px 0 0;
    padding:17px 16px calc(17px + env(safe-area-inset-bottom));font-size:15px;
    opacity:1;transform:none;pointer-events:auto;
  }
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .nav-actions .btn-sm{display:none}
  .meta-row{font-size:12.5px;gap:9px}
  .article-body{font-size:16px}
  .side-card{padding:20px}
}

/* roulang page: category2 */
:root{
  --brand:#FF4D2E;
  --brand-deep:#C42A16;
  --magenta:#FF2D6F;
  --grad:linear-gradient(135deg,#FF4D2E 0%,#FF2D6F 100%);
  --ink:#0E3B36;
  --jade:#0FA37F;
  --gold:#FFC93C;
  --bg:#FFF8F3;
  --bg-alt:#F4EFE9;
  --card:#FFFFFF;
  --line:#EFE6DE;
  --t1:#14161A;
  --t2:#4A5058;
  --t3:#8A9099;
  --r-xl:28px;
  --r-lg:24px;
  --r-img:18px;
  --r-input:14px;
  --sh1:0 2px 8px rgba(20,22,26,.05);
  --sh2:0 10px 30px rgba(20,22,26,.08);
  --sh3:0 22px 56px rgba(255,77,46,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;color:var(--t1);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1240px}}
.num{font-variant-numeric:tabular-nums;font-family:var(--mono)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,243,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh1);background:#FFF8F3}
.nav{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--t1);flex-shrink:0}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;box-shadow:0 6px 16px rgba(255,77,46,.28);
}
.brand-text{letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:10px;
  font-size:15px;color:var(--t2);font-weight:600;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--t1);background:rgba(255,77,46,.06)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--t1)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--t1);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.hamburger:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;border-radius:999px;font-weight:800;font-size:15px;
  padding:14px 30px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  text-align:center;
}
.btn:focus-visible{outline:3px solid rgba(255,77,46,.45);outline-offset:2px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,77,46,.24);background-size:180% 180%;background-position:0% 50%}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh3);background-position:100% 50%;color:#fff}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,77,46,.22)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-deep);box-shadow:0 16px 34px rgba(0,0,0,.16)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%;padding:13px 20px}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.nav-cta{min-width:132px;height:44px;padding:0 22px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-deep);font-size:14.5px}
.btn-text i{transition:transform .2s ease}
.btn-text:hover i{transform:translateX(3px)}

/* ============ 页头带 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  padding:56px 0;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:var(--grad);opacity:.08;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,45,111,.32),rgba(255,45,111,0) 68%);
  filter:blur(40px);pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .8fr;gap:44px;align-items:center;min-height:260px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{color:var(--t3);font-weight:600}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{opacity:.6}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--brand-deep);
  background:rgba(255,77,46,.1);border:1px solid rgba(255,77,46,.24);border-radius:999px;padding:6px 14px;
  letter-spacing:.02em;margin-bottom:16px;
}
.cat-hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.14;margin-bottom:14px}
.cat-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero-lead{font-size:16.5px;color:var(--t2);max-width:520px;margin-bottom:24px}
.cat-hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.cat-hero-media{position:relative}
.cat-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:var(--sh2);
}
.cat-hero-media .media-badge{
  position:absolute;left:-14px;bottom:18px;background:#fff;border:1px solid var(--gold);
  border-radius:999px;padding:10px 18px;box-shadow:var(--sh1);display:flex;align-items:center;gap:10px;
}
.media-badge b{font-size:19px;font-family:var(--mono);color:var(--brand-deep)}
.media-badge small{font-size:12px;color:var(--t3);font-weight:700}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;position:relative;padding-left:18px;margin-bottom:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:5px;height:22px;border-radius:4px;background:var(--grad);
}
.section-head p{color:var(--t2)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center h2{padding-left:0}
.section-head.center h2::before{display:none}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.head-row .section-head{margin-bottom:0}

/* ============ 数据徽章条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--sh1);margin-top:-52px;position:relative;z-index:5;
}
.stat{display:flex;flex-direction:column;gap:4px;padding-right:18px;border-right:1px dashed var(--line)}
.stat:last-child{border-right:none;padding-right:0}
.stat b{font-size:30px;font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--t1);line-height:1.1}
.stat b i{font-style:normal;font-size:16px;color:var(--brand-deep);margin-left:2px}
.stat small{font-size:13px;color:var(--t3);font-weight:700}

/* ============ 时间轴 ============ */
.timeline{position:relative;max-width:920px;margin:0 auto;padding-left:38px}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#FF4D2E,#FF2D6F 55%,rgba(255,45,111,.15));
}
.tl-item{position:relative;padding:0 0 34px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:22px;width:15px;height:15px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 5px rgba(255,77,46,.1);
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 26px;
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.tl-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.tl-step{
  font-family:var(--mono);font-size:12.5px;font-weight:800;color:#fff;background:var(--grad);
  border-radius:999px;padding:4px 12px;letter-spacing:.04em;
}
.tl-card h3{font-size:19px;font-weight:800}
.tl-card p{color:var(--t2);font-size:15.5px;margin-top:4px}
.tl-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:var(--t2);
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;background:#fff;
}
.chip i{color:var(--jade);font-size:12px}
.chip.gold{border-color:rgba(255,201,60,.85);color:#8a5b00;background:rgba(255,201,60,.12)}
.chip.ink{border-color:rgba(14,59,54,.28);color:var(--ink);background:rgba(14,59,54,.05)}

/* ============ 交替图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split + .split{margin-top:80px}
.split.reverse .split-media{order:2}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--sh2);
}
.split-media .float-card{
  position:absolute;right:-16px;bottom:-18px;background:#fff;border:1px solid var(--gold);
  border-radius:18px;padding:14px 18px;box-shadow:var(--sh2);min-width:150px;
}
.split-media .float-card b{display:block;font-size:22px;font-family:var(--mono);color:var(--brand-deep);line-height:1.2}
.split-media .float-card small{font-size:12px;color:var(--t3);font-weight:700}
.split-body h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:14px}
.split-body .idx{
  display:inline-block;font-family:var(--mono);font-size:13px;font-weight:800;color:var(--brand-deep);
  background:rgba(255,77,46,.1);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.split-body p{color:var(--t2);margin-bottom:14px}
.check-list{margin:20px 0 26px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--t2)}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:10px;
  color:#fff;background:var(--jade);width:20px;height:20px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:5px;
}

/* ============ 场景卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.card .icon-box{
  width:48px;height:48px;border-radius:15px;background:rgba(255,77,46,.1);color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--t2);font-size:15.5px}
.card .card-meta{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;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%;background:none;border:none;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:19px;font-weight:800;color:var(--t1);
}
.faq-q:hover{color:var(--brand-deep)}
.faq-q:focus-visible{outline:3px solid rgba(255,77,46,.4);outline-offset:4px;border-radius:12px}
.faq-mark{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
  transition:transform .25s ease;
}
.faq-item.open .faq-mark{transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 4px 24px;color:var(--t2);max-width:780px}

/* ============ 互链大卡 ============ */
.link-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.link-card{
  position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease;overflow:hidden;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);color:inherit}
.link-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,46,.16),rgba(255,77,46,0) 70%);
}
.link-card h3{font-size:21px;margin-bottom:8px}
.link-card p{color:var(--t2);font-size:15px}
.link-card .go{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--brand-deep);font-size:14.5px;margin-top:16px}

/* ============ CTA 横幅 ============ */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:32px;background:var(--grad);
  padding:56px 48px;color:#fff;text-align:center;box-shadow:0 26px 60px rgba(255,77,46,.24);
}
.cta-inner::before{
  content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.14);filter:blur(30px);
}
.cta-inner h2{color:#fff;font-size:clamp(25px,3vw,36px);margin-bottom:12px;position:relative}
.cta-inner p{color:rgba(255,255,255,.92);max-width:640px;margin:0 auto 28px;position:relative}
.cta-inner .btn{position:relative}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,248,243,.78);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,248,243,.72)}
.footer-title{color:#fff;font-weight:800;font-size:15.5px;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{color:rgba(255,248,243,.75);font-size:14.5px}
.footer-links a:hover{color:var(--gold)}
.footer-form{display:grid;gap:12px}
.footer-form input,.footer-form textarea{
  width:100%;background:#fff;border:1px solid rgba(255,255,255,.28);border-radius:var(--r-input);
  padding:12px 14px;color:var(--t1);
}
.footer-form textarea{min-height:88px;resize:vertical}
.footer-form input:focus,.footer-form textarea:focus{
  outline:none;border-color:transparent;
  box-shadow:0 0 0 2px var(--brand),0 0 0 4px rgba(255,45,111,.35);
}
.footer-form .err{display:none;font-size:13px;color:#FF9E8C;font-weight:700}
.footer-form.has-error .err{display:block}
.footer-form.has-error input[name="contact"]{border-color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,248,243,.62);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 16px 36px rgba(255,77,46,.34);
  opacity:0;transform:translateY(24px);pointer-events:none;
  transition:opacity .24s ease,transform .24s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{color:#fff}
.float-cta .dot{
  width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,201,60,.28);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .nav-links a{padding:8px 10px;font-size:14.5px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .cat-hero-inner{grid-template-columns:1fr;gap:32px;min-height:0}
  .cat-hero-media{max-width:520px}
  .stat-strip{grid-template-columns:repeat(2,1fr);row-gap:22px}
  .stat:nth-child(2){border-right:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-links{
    position:fixed;top:0;right:0;width:86vw;max-width:360px;height:100vh;
    background:#FFF8F3;border-left:1px solid var(--line);box-shadow:-18px 0 44px rgba(20,22,26,.14);
    flex-direction:column;align-items:stretch;gap:6px;padding:84px 22px 100px;margin:0;
    transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;z-index:80;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{padding:14px 12px;font-size:16px;border-radius:14px}
  .nav-links a::after{display:none}
  .nav-links a.active{background:rgba(255,77,46,.1);color:var(--brand-deep)}
  .hamburger{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .nav-cta{min-width:0;padding:0 18px;height:42px;font-size:14px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .nav{height:60px}
  .brand{font-size:16.5px}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:14px}
  .cat-hero{padding:36px 0 44px}
  .cat-hero-media .media-badge{left:8px;bottom:12px}
  .stat-strip{grid-template-columns:1fr 1fr;padding:22px;margin-top:-38px}
  .stat{border-right:none;padding-right:0}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split-media .float-card{right:10px;bottom:-14px}
  .split + .split{margin-top:56px}
  .card-grid{grid-template-columns:1fr}
  .link-cards{grid-template-columns:1fr}
  .cta-inner{padding:40px 24px;border-radius:26px}
  .faq-q{font-size:17px;padding:18px 2px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    padding:16px 20px calc(16px + env(safe-area-inset-bottom));
    box-shadow:0 -8px 26px rgba(255,77,46,.28);
  }
  .site-footer{padding-bottom:64px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .cat-hero-actions{flex-direction:column;align-items:stretch}
  .cat-hero-actions .btn{width:100%}
  .stat b{font-size:24px}
}