/* roulang page: index */
:root{
  --c-brand:#F04E23;
  --c-brand-dark:#D63C13;
  --c-brand-light:#FF8A5C;
  --c-grad:linear-gradient(135deg,#F04E23 0%,#FF8A3D 55%,#FFC53D 100%);
  --c-accent:#C9F227;
  --c-bg:#FBF8F4;
  --c-bg-alt:#F3EDE5;
  --c-dark:#12100E;
  --c-dark-2:#1E1A16;
  --c-ink:#14110E;
  --c-ink-2:#3B342D;
  --c-ink-3:#7C736A;
  --c-line:#E8E1D8;
  --c-card-line:#EDE6DD;
  --c-success:#1E9E6A;
  --c-warn:#E0A320;
  --c-error:#D8382B;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(20,17,14,.06);
  --sh-2:0 16px 36px -14px rgba(20,17,14,.18);
  --sh-brand:0 12px 30px -10px rgba(240,78,35,.42);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.28;font-weight:800;letter-spacing:-.01em;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--c-bg-alt);}
.section--dark{background:var(--c-dark);color:#F6F1EA;}
.nums{font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--c-grad);color:#2A1206;box-shadow:var(--sh-brand);}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 38px -12px rgba(240,78,35,.55);}
.btn--outline{border:1.5px solid var(--c-ink);color:var(--c-ink);background:transparent;}
.btn--outline:hover{background:var(--c-ink);color:#FFF8F2;transform:translateY(-2px);}
.btn--ghost{border:1.5px solid var(--c-line);color:var(--c-ink-2);background:#fff;}
.btn--ghost:hover{border-color:var(--c-brand);color:var(--c-brand-dark);transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--c-ink);}
.btn--light:hover{background:#FFF1E7;transform:translateY(-2px);}
.btn--onDark{border:1.5px solid rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06);}
.btn--onDark:hover{background:#fff;color:var(--c-dark);transform:translateY(-2px);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn:active{transform:scale(.98);}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--c-brand-dark);
  position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-5px;height:2px;width:100%;
  background:var(--c-grad);transform:scaleX(.32);transform-origin:left;
  transition:transform .28s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow svg{transition:transform .24s var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-ink-2);font-size:13px;font-weight:600;
}
.tag--brand{background:rgba(240,78,35,.1);color:var(--c-brand-dark);}
.tag--dark{background:rgba(255,255,255,.1);color:#F1E9E0;}
.status{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--c-ink-3);}
.status i{width:8px;height:8px;border-radius:50%;background:var(--c-success);display:inline-block;font-style:normal;}
.status--warn i{background:var(--c-warn);}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;}
.brandbar{
  background:rgba(251,248,244,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s var(--ease);
}
.brandbar__inner{display:flex;align-items:center;gap:20px;height:68px;transition:height .25s var(--ease);}
.site-header.is-scrolled .brandbar{box-shadow:var(--sh-1);}
.site-header.is-scrolled .brandbar__inner{height:56px;}
.logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--c-grad);
  display:inline-flex;align-items:center;justify-content:center;color:#2A1206;
  box-shadow:var(--sh-brand);
}
.logo__text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-ink);white-space:nowrap;}
.brandbar__links{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14px;color:var(--c-ink-2);}
.brandbar__links a{position:relative;padding:4px 0;transition:color .2s var(--ease);}
.brandbar__links a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--c-grad);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.brandbar__links a:hover{color:var(--c-brand-dark);}
.brandbar__links a:hover::after{transform:scaleX(1);}
.brandbar__actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 频道行 */
.channelbar{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);}
.channelbar__inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channels{display:flex;align-items:center;gap:6px;}
.channel{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;position:relative;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.channel::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--c-grad);
  transform:scaleX(0);transform-origin:center;transition:transform .24s var(--ease);
}
.channel:hover{color:var(--c-brand-dark);}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{background:var(--c-grad);color:#2A1206;box-shadow:0 8px 18px -10px rgba(240,78,35,.6);}
.channel.is-active::after{display:none;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,16,14,.42);opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:var(--c-bg);
  z-index:100;transform:translateX(100%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px calc(22px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__close{width:38px;height:38px;border-radius:12px;border:1.5px solid var(--c-line);background:#fff;font-size:18px;line-height:1;}
.drawer__nav{display:flex;flex-direction:column;gap:4px;}
.drawer__nav a{padding:12px 14px;border-radius:var(--r-md);font-size:15px;font-weight:600;color:var(--c-ink-2);}
.drawer__nav a.is-active{background:var(--c-grad);color:#2A1206;}
.drawer__foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:10px;}
.drawer__foot p{font-size:13px;color:var(--c-ink-3);}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-brand-dark);}
.crumb span.sep{opacity:.5;}
.crumb .current{color:var(--c-ink-3);}

/* ============ HERO ============ */
.hero{position:relative;background:var(--c-dark);color:#F7F2EB;overflow:hidden;isolation:isolate;}
.hero__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.6;z-index:-3;
}
.hero__veil{
  position:absolute;inset:0;z-index:-2;
  background:linear-gradient(115deg,rgba(18,16,14,.95) 0%,rgba(18,16,14,.82) 46%,rgba(18,16,14,.58) 100%);
}
.hero__glow{
  position:absolute;top:-190px;right:-140px;width:560px;height:560px;border-radius:50%;
  background:var(--c-grad);filter:blur(130px);opacity:.32;z-index:-1;
}
.hero__inner{
  display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;
  padding:84px 0 92px;
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;height:32px;padding:0 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:13px;font-weight:600;color:#F3E7DA;letter-spacing:.02em;
}
.hero__eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;font-style:normal;}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;margin-top:22px;
  color:#FFF9F3;
}
.hero h1 em{font-style:normal;background:var(--c-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__sub{
  margin-top:20px;font-size:17px;line-height:1.85;color:rgba(247,242,235,.78);max-width:560px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero__points li{
  font-size:13px;color:rgba(247,242,235,.72);
  padding-left:16px;position:relative;
}
.hero__points li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;border-radius:2px;background:var(--c-accent);
}
.hero__panel{position:relative;}
.hero__card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--c-dark-2);
  border:1px solid rgba(255,255,255,.1);box-shadow:0 30px 70px -28px rgba(0,0,0,.7);
}
.hero__card img{width:100%;height:340px;object-fit:cover;}
.hero__card-body{
  padding:18px 22px 22px;background:linear-gradient(180deg,rgba(30,26,22,.2),rgba(30,26,22,.96));
  margin-top:-70px;position:relative;
}
.hero__card-body h3{font-size:19px;color:#FFF9F3;}
.hero__card-body p{margin-top:8px;font-size:14px;color:rgba(247,242,235,.7);}
.hero__badge{
  position:absolute;top:18px;left:18px;display:inline-flex;flex-direction:column;gap:2px;
  background:rgba(18,16,14,.86);border:1px solid rgba(201,242,39,.36);
  border-radius:var(--r-md);padding:10px 16px;backdrop-filter:blur(6px);
}
.hero__badge strong{font-size:24px;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.1;}
.hero__badge span{font-size:12px;color:rgba(247,242,235,.68);}
.hero__floating{
  position:absolute;right:-14px;bottom:-22px;background:#FFF9F3;color:var(--c-ink);
  border-radius:var(--r-lg);padding:14px 20px;box-shadow:var(--sh-2);border:1px solid var(--c-card-line);
}
.hero__floating strong{display:block;font-size:14px;font-weight:800;}
.hero__floating span{font-size:12px;color:var(--c-ink-3);}

/* ============ 数据徽章条 ============ */
.statbar{background:var(--c-dark-2);border-top:1px solid rgba(255,255,255,.08);}
.statbar__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 0;}
.stat{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--r-lg);padding:20px 22px;
}
.stat strong{display:block;font-size:32px;line-height:1.1;color:var(--c-accent);font-variant-numeric:tabular-nums;font-weight:800;}
.stat span{display:block;margin-top:6px;font-size:13px;color:rgba(247,242,235,.66);}

/* ============ 板块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head__left{max-width:680px;}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:var(--c-brand-dark);
  letter-spacing:.06em;margin-bottom:12px;
}
.sec-head .kicker::before{content:"";width:120px;height:3px;border-radius:2px;background:var(--c-grad);}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;}
.sec-head p{margin-top:12px;font-size:15px;color:var(--c-ink-3);line-height:1.85;}

/* ============ 卖点 bento ============ */
.bento{display:grid;grid-template-columns:1.1fr 1.1fr .88fr;gap:24px;align-items:start;}
.bento__card{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-xl);
  padding:32px 28px 30px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.bento__card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.bento__card--lift{transform:translateY(-12px);}
.bento__card--lift:hover{transform:translateY(-15px);}
.bento__card--dark{background:var(--c-dark);border-color:#2B241E;color:#F6F1EA;}
.bento__icon{
  width:48px;height:48px;border-radius:50%;background:var(--c-grad);color:#2A1206;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px;
  box-shadow:0 10px 22px -12px rgba(240,78,35,.8);
}
.bento__card h3{font-size:21px;line-height:1.35;margin-bottom:12px;}
.bento__card p{font-size:15px;color:var(--c-ink-3);line-height:1.85;}
.bento__card--dark p{color:rgba(246,241,234,.7);}
.bento__list{margin-top:18px;display:flex;flex-direction:column;gap:9px;}
.bento__list li{font-size:14px;color:var(--c-ink-2);padding-left:18px;position:relative;}
.bento__list li::before{
  content:"";position:absolute;left:0;top:.8em;width:7px;height:7px;border-radius:50%;
  background:var(--c-grad);
}
.bento__card--dark .bento__list li{color:rgba(246,241,234,.78);}
.bento__num{font-size:34px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.1;}

/* ============ 场景演示 ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;}
.scene + .scene{border-top:1px solid var(--c-line);}
.scene--reverse .scene__media{order:-1;}
.scene__media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.scene__media img{width:100%;height:330px;object-fit:cover;transition:transform .5s var(--ease);}
.scene__media:hover img{transform:scale(1.04);}
.scene__chip{
  position:absolute;left:18px;bottom:18px;background:rgba(18,16,14,.82);color:#FFF9F3;
  border-radius:var(--r-md);padding:10px 16px;font-size:13px;font-weight:600;
  border-left:4px solid transparent;
  border-image:var(--c-grad) 1;
  backdrop-filter:blur(6px);
}
.scene__body h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:14px;}
.scene__body > p{font-size:15px;color:var(--c-ink-3);line-height:1.9;}
.scene__list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.scene__list li{display:flex;gap:14px;align-items:flex-start;}
.scene__list .idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;background:var(--c-bg-alt);
  color:var(--c-brand-dark);font-size:13px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.scene__list strong{display:block;font-size:15px;font-weight:700;}
.scene__list span{font-size:14px;color:var(--c-ink-3);}

/* ============ 资讯列表 ============ */
.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(--c-card-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-card__media{display:block;overflow:hidden;aspect-ratio:16/10;background:var(--c-bg-alt);}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;gap:12px;}
.news-card__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a:hover{color:var(--c-brand-dark);}
.news-card p{
  font-size:14px;color:var(--c-ink-3);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-3);
}
.empty-state{
  grid-column:1/-1;border:1.5px dashed var(--c-line);border-radius:var(--r-lg);
  padding:52px 24px;text-align:center;background:#fff;
}
.empty-state p{font-size:15px;color:var(--c-ink-3);margin-bottom:18px;}

/* ============ 社会认同 ============ */
.proof{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start;}
.voice{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.voice::-webkit-scrollbar{height:6px;}
.voice::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:99px;}
.voice-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--c-card-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
}
.voice-card__top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--c-grad);color:#2A1206;
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.voice-card__top strong{display:block;font-size:15px;font-weight:700;}
.voice-card__top span{font-size:12px;color:var(--c-ink-3);}
.stars{display:flex;gap:3px;margin-bottom:10px;color:var(--c-warn);}
.voice-card p{font-size:14px;color:var(--c-ink-2);line-height:1.85;}
.badgewall{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.badgewall__item{
  height:64px;border-radius:var(--r-md);background:var(--c-bg-alt);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;font-weight:600;color:var(--c-ink-3);padding:6px;
  filter:grayscale(1);transition:filter .28s var(--ease),transform .28s var(--ease),background-color .28s var(--ease);
}
.badgewall__item:hover{filter:grayscale(0);background:#FFF4EC;color:var(--c-brand-dark);transform:translateY(-3px);}
.counterbar{
  margin-top:28px;background:var(--c-dark);border-radius:var(--r-lg);color:#F6F1EA;
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:26px 28px;
}
.counterbar div strong{
  display:block;font-size:28px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.15;
}
.counterbar div span{font-size:13px;color:rgba(246,241,234,.66);}

/* ============ FAQ ============ */
.faq-wrap{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-item{position:relative;}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-grad);
  transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:16px;font-weight:700;color:var(--c-ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-brand-dark);}
.faq-q .chev{flex:0 0 auto;transition:transform .28s var(--ease);color:var(--c-brand);}
.faq-item.is-open .faq-q .chev{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a__inner{padding:0 26px 24px;font-size:14.5px;color:var(--c-ink-3);line-height:1.9;max-width:840px;}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;background:var(--c-dark);color:#FFF9F3;overflow:hidden;
  border-radius:var(--r-xl);padding:64px 56px;isolation:isolate;
}
.cta-band__glow{
  position:absolute;left:-120px;bottom:-180px;width:460px;height:460px;border-radius:50%;
  background:var(--c-grad);filter:blur(120px);opacity:.34;z-index:-1;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);max-width:640px;}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(255,249,243,.72);max-width:620px;line-height:1.9;}
.cta-band__row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cta-band__inner{display:flex;flex-wrap:wrap;gap:40px;align-items:center;justify-content:space-between;}
.qrbox{
  display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:16px 20px;
}
.qrbox__img{
  width:74px;height:74px;border-radius:12px;background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.5) 0 6px,rgba(255,255,255,.14) 6px 12px);
  border:1px solid rgba(255,255,255,.24);
}
.qrbox strong{display:block;font-size:15px;}
.qrbox span{font-size:12.5px;color:rgba(255,249,243,.62);}

/* ============ 表单 ============ */
.form-card{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-1);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:#FDFBF8;font-family:inherit;font-size:15px;color:var(--c-ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:118px;padding:14px 16px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand-light);
  box-shadow:0 0 0 3px rgba(240,78,35,.16);
}
.field .hint{font-size:12.5px;color:var(--c-ink-3);margin-top:6px;}
.field.has-error input,.field.has-error textarea{border-color:var(--c-error);background:rgba(216,56,43,.05);}
.field.has-error .hint{color:var(--c-error);}
.form-msg{font-size:13.5px;margin-top:12px;display:none;}
.form-msg.ok{display:block;color:var(--c-success);}
.form-msg.bad{display:block;color:var(--c-error);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(246,241,234,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo__text{color:#FFF9F3;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;max-width:320px;color:rgba(246,241,234,.6);}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(246,241,234,.5);margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(246,241,234,.76);transition:color .2s var(--ease),background-position .3s var(--ease);}
.footer-col a:hover{
  background:var(--c-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-col p{font-size:14px;line-height:1.9;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:24px 0;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,241,234,.5);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a:hover{color:#FFC53D;}

/* ============ 移动底栏 & 返回顶部 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  align-items:center;gap:14px;justify-content:space-between;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(18,16,14,.96);border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(110%);transition:transform .3s var(--ease);
}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar p{font-size:13px;color:rgba(246,241,234,.78);line-height:1.4;}
.mobile-bar p strong{display:block;font-size:14px;color:#FFF9F3;}
.to-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:var(--c-grad);color:#2A1206;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-brand);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);z-index:75;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{max-width:1240px;}
}
@media (max-width:1439px){
  .container{max-width:1200px;}
}
@media (max-width:1199px){
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .bento{grid-template-columns:1fr 1fr;gap:20px;}
  .bento__card--dark{grid-column:span 2;}
  .bento__card--lift{transform:none;}
  .proof{grid-template-columns:1fr;}
  .counterbar{grid-template-columns:repeat(2,1fr);gap:18px;}
}
@media (max-width:1023px){
  .brandbar__links{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero__inner{grid-template-columns:1fr;gap:44px;padding:64px 0 72px;}
  .hero__card img{height:280px;}
  .hero__glow{opacity:.22;}
  .statbar__grid{grid-template-columns:repeat(2,1fr);}
  .scene{grid-template-columns:1fr;gap:28px;}
  .scene--reverse .scene__media{order:0;}
  .scene__media img{height:260px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mobile-bar{display:flex;}
  .cta-band{padding:48px 28px;}
  .to-top{bottom:88px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .sec-head .kicker::before{width:56px;}
  .logo__text{font-size:16px;}
  .bento{grid-template-columns:1fr;}
  .bento__card--dark{grid-column:auto;}
  .news-grid{grid-template-columns:1fr;}
  .badgewall{grid-template-columns:repeat(2,1fr);}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a__inner{padding:0 18px 20px;}
  .hero__actions .btn{width:100%;}
  .cta-band{padding:40px 20px;}
  .cta-band__row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .form-card{padding:22px 18px;}
  .voice-card{flex:0 0 84vw;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .bento__card,.news-card,.faq-wrap,.form-card,.cta-band{border-radius:16px;}
  .stat strong{font-size:26px;}
  .counterbar{padding:20px;}
  .hero__floating{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --c-brand:#F04E23;
  --c-brand-deep:#D63C13;
  --c-brand-light:#FF8A5C;
  --c-grad:linear-gradient(135deg,#F04E23 0%,#FF8A3D 55%,#FFC53D 100%);
  --c-accent:#C9F227;
  --c-bg:#FBF8F4;
  --c-bg-alt:#F3EDE5;
  --c-dark:#12100E;
  --c-dark-2:#1E1A16;
  --c-ink:#14110E;
  --c-ink-2:#3B342D;
  --c-ink-3:#7C736A;
  --c-line:#E8E1D8;
  --c-card:#EDE6DD;
  --c-white:#FFFFFF;
  --c-ok:#1E9E6A;
  --c-warn:#E0A320;
  --c-err:#D8382B;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(20,17,14,.06);
  --sh-2:0 16px 36px -14px rgba(20,17,14,.18);
  --sh-brand:0 12px 30px -10px rgba(240,78,35,.42);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --sp-sec:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;}
h3{font-size:20px;line-height:1.35;font-weight:700;}
p{color:var(--c-ink-2);}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-sec) 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--c-bg-alt);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s cubic-bezier(.2,.7,.3,1),background .2s,color .2s,border-color .2s,filter .2s;
}
.btn--primary{background:var(--c-grad);color:#2B140A;box-shadow:var(--sh-brand);}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 34px -12px rgba(240,78,35,.55);}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{border-color:var(--c-ink);color:var(--c-ink);background:transparent;}
.btn--ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px);}
.btn--ghost:active{transform:scale(.98);}
.btn--light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn--light:hover{background:#fff;color:var(--c-ink);transform:translateY(-2px);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn--lg{height:54px;padding:0 32px;font-size:16px;}
.btn[disabled]{opacity:.6;pointer-events:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-brand-deep);position:relative;}
.link-arrow::after{content:"";position:absolute;left:0;right:100%;bottom:-3px;height:2px;background:var(--c-grad);transition:right .24s cubic-bezier(.2,.7,.3,1);}
.link-arrow:hover::after{right:0;}

/* ---------- 徽章与标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-ink-2);
  font-size:13px;font-weight:600;line-height:1.5;
}
.tag--brand{background:rgba(240,78,35,.1);color:var(--c-brand-deep);}
.badge-data{
  display:flex;flex-direction:column;gap:2px;
  padding:16px 18px;border-radius:var(--r-lg);
  background:var(--c-dark-2);border:1px solid rgba(201,242,39,.22);
}
.badge-data b{font-size:clamp(22px,2.6vw,32px);font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.15;}
.badge-data span{font-size:13px;color:rgba(251,248,244,.66);line-height:1.5;}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;box-shadow:0 0 0 4px rgba(201,242,39,.18);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-bg);}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.brandbar{background:var(--c-bg);border-bottom:1px solid var(--c-line);}
.brandbar__inner{display:flex;align-items:center;gap:22px;height:68px;transition:height .22s cubic-bezier(.2,.7,.3,1);}
.site-header.is-scrolled .brandbar__inner{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{
  width:36px;height:36px;border-radius:11px;background:var(--c-grad);
  display:inline-flex;align-items:center;justify-content:center;color:#2B140A;
  box-shadow:var(--sh-brand);flex-shrink:0;
}
.logo__text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);}
.brandbar__links{display:flex;align-items:center;gap:20px;margin-left:8px;}
.brandbar__links a{font-size:14px;color:var(--c-ink-3);font-weight:600;transition:color .2s;}
.brandbar__links a:hover{color:var(--c-brand-deep);}
.brandbar__actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-card);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--c-ink);border-radius:2px;display:block;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.channelbar{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);position:relative;}
.channelbar__inner{display:flex;align-items:center;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channels{display:flex;align-items:center;gap:6px;}
.channel{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;position:relative;
  transition:color .2s,background .2s;
}
.channel::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .24s cubic-bezier(.2,.7,.3,1);
}
.channel:hover{color:var(--c-brand-deep);}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{background:var(--c-grad);color:#2B140A;box-shadow:0 6px 16px -8px rgba(240,78,35,.6);}
.channel.is-active::after{display:none;}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,16,14,.4);opacity:0;visibility:hidden;
  transition:opacity .24s;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;
  background:var(--c-bg);z-index:95;transform:translateX(100%);
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  padding:22px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:22px;
  box-shadow:-20px 0 40px -20px rgba(20,17,14,.4);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-card);background:#fff;cursor:pointer;font-size:18px;line-height:1;}
.drawer__title{font-size:13px;font-weight:700;color:var(--c-ink-3);letter-spacing:.06em;}
.drawer__list{display:flex;flex-direction:column;gap:4px;}
.drawer__list a{padding:11px 14px;border-radius:var(--r-md);font-size:15px;font-weight:600;color:var(--c-ink-2);}
.drawer__list a.is-active{background:var(--c-grad);color:#2B140A;}
.drawer__foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--c-ink-3);}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(251,248,244,.62);}
.crumbs a{color:rgba(251,248,244,.82);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{opacity:.5;}
.crumbs span.current{color:rgba(251,248,244,.6);}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--c-dark);
  padding:64px 0 68px;
}
.page-hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,16,14,.94) 0%,rgba(18,16,14,.78) 46%,rgba(18,16,14,.5) 100%);
}
.page-hero__glow{
  position:absolute;width:520px;height:520px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.42) 0%,rgba(255,197,61,.16) 45%,transparent 70%);
  pointer-events:none;z-index:1;
}
.page-hero__inner{position:relative;z-index:2;max-width:860px;}
.page-hero h1{color:#fff;margin-top:20px;}
.page-hero__sub{margin-top:16px;font-size:clamp(15px,1.6vw,18px);color:rgba(251,248,244,.82);max-width:660px;}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.page-hero__meta .tag{background:rgba(251,248,244,.12);color:rgba(251,248,244,.88);}

/* ---------- 数据条 ---------- */
.stat-strip{background:var(--c-dark);padding:0 0 40px;}
.stat-strip__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-strip .badge-data{background:var(--c-dark-2);}

/* ---------- 通用板块头 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head__eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  color:var(--c-brand-deep);letter-spacing:.08em;margin-bottom:12px;
}
.sec-head__eyebrow::before{content:"";width:120px;height:3px;border-radius:3px;background:var(--c-grad);}
.sec-head p{margin-top:12px;max-width:640px;font-size:15px;}

/* ---------- 介绍两段 ---------- */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
.intro-copy p+p{margin-top:20px;}
.intro-figure{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);position:relative;background:var(--c-dark-2);
}
.intro-figure img{width:100%;height:340px;object-fit:cover;}
.intro-figure__cap{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(18,16,14,.72);backdrop-filter:blur(6px);
  border:1px solid rgba(251,248,244,.14);
  border-radius:var(--r-md);padding:14px 16px;color:rgba(251,248,244,.9);font-size:13px;line-height:1.7;
}
.point-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-2);}
.point-list li::before{
  content:"";flex-shrink:0;width:10px;height:10px;margin-top:9px;border-radius:50%;
  background:var(--c-grad);
}

/* ---------- 内容导航卡 ---------- */
.nav-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.nav-card{
  position:relative;background:#fff;border:1px solid var(--c-card);border-radius:var(--r-lg);
  padding:26px 24px 24px 32px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:10px;
}
.nav-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--c-grad);
  opacity:.9;transition:width .24s cubic-bezier(.2,.7,.3,1);
}
.nav-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.nav-card:hover::before{width:12px;}
.nav-card h3{font-size:19px;color:var(--c-ink);}
.nav-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;}
.nav-card__foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);}

/* ---------- 时间线节奏 ---------- */
.timeline{display:flex;flex-direction:column;gap:0;margin-top:8px;}
.tl-item{display:grid;grid-template-columns:96px 1fr;gap:24px;position:relative;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:47px;top:34px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(240,78,35,.5),rgba(255,197,61,.12));
}
.tl-item:last-child::before{display:none;}
.tl-time{
  width:96px;height:34px;border-radius:var(--r-pill);display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-dark-2);color:var(--c-accent);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.tl-body{background:#fff;border:1px solid var(--c-card);border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh-1);}
.tl-body h3{font-size:18px;}
.tl-body p{margin-top:8px;font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--c-card);border-radius:var(--r-xl);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:22px 26px;font-size:17px;font-weight:700;color:var(--c-ink);position:relative;
  transition:background .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item summary:hover{background:#FDFBF8;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--c-grad);opacity:0;transition:opacity .2s;
}
.faq-item[open] summary::before{opacity:1;}
.faq-icon{
  margin-left:auto;flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-card);display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-brand-deep);transition:transform .24s cubic-bezier(.2,.7,.3,1),background .2s;
}
.faq-item[open] .faq-icon{transform:rotate(90deg);background:rgba(240,78,35,.1);}
.faq-body{padding:0 26px 24px 42px;font-size:15px;color:var(--c-ink-2);line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--c-dark);overflow:hidden;border-radius:var(--r-xl);padding:56px 48px;}
.cta-band__glow{
  position:absolute;width:460px;height:460px;left:-120px;bottom:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.45) 0%,rgba(255,197,61,.14) 48%,transparent 72%);
}
.cta-band__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;}
.cta-band p{margin-top:14px;color:rgba(251,248,244,.78);font-size:15px;max-width:560px;}
.cta-band__actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;justify-self:end;}
.cta-band__note{font-size:13px;color:rgba(251,248,244,.6);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(251,248,244,.72);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .logo__text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14px;color:rgba(251,248,244,.64);line-height:1.9;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(251,248,244,.5);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(251,248,244,.76);transition:color .2s;}
.footer-col a:hover{background:var(--c-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.footer-col p{font-size:14px;color:rgba(251,248,244,.64);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(251,248,244,.12);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(251,248,244,.5);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a:hover{color:#fff;}

/* ---------- 移动端固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(18,16,14,.96);backdrop-filter:blur(8px);
  border-top:1px solid rgba(251,248,244,.12);
  display:flex;align-items:center;gap:14px;justify-content:space-between;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  transform:translateY(120%);opacity:0;transition:transform .28s cubic-bezier(.2,.7,.3,1),opacity .28s;
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1;}
.sticky-cta__text{font-size:13px;color:rgba(251,248,244,.78);line-height:1.5;}
.sticky-cta__text strong{color:#fff;display:block;font-size:14px;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:75;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--c-card);background:#fff;color:var(--c-ink);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s,transform .24s,visibility .24s;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-grad);color:#2B140A;border-color:transparent;}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container{max-width:1200px;}
  .nav-cards{gap:20px;}
}
@media (max-width:1199px){
  .nav-cards{grid-template-columns:repeat(2,1fr);}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .intro-figure img{height:300px;}
  .cta-band__inner{grid-template-columns:1fr;}
  .cta-band__actions{justify-self:start;}
}
@media (max-width:1023px){
  .brandbar__links{display:none;}
  .nav-toggle{display:inline-flex;}
  .brandbar__actions .btn--ghost{display:none;}
  .stat-strip__grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--sp-sec:64px;}
}
@media (max-width:767px){
  :root{--sp-sec:56px;}
  .container{padding:0 16px;}
  .page-hero{padding:44px 0 48px;}
  .page-hero__glow{opacity:.5;width:340px;height:340px;}
  .nav-cards{grid-template-columns:1fr;gap:16px;}
  .nav-card{border-radius:16px;padding:22px 18px 20px 26px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .tl-item{grid-template-columns:1fr;gap:12px;}
  .tl-item::before{display:none;}
  .faq-item summary{padding:18px 16px;font-size:16px;}
  .faq-body{padding:0 16px 20px 26px;}
  .cta-band{padding:36px 22px;border-radius:20px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn--primary{width:100%;}
  .page-hero__actions .btn{width:100%;}
  .to-top{bottom:84px;}
}
@media (max-width:520px){
  .stat-strip__grid{grid-template-columns:1fr 1fr;gap:12px;}
  .badge-data{padding:14px;}
  .nav-card{border-radius:16px;}
  .crumbs{font-size:12px;}
}
@media (min-width:1024px){
  .sticky-cta{
    left:auto;right:26px;bottom:26px;width:auto;border-radius:var(--r-pill);
    padding:12px 18px;border:1px solid rgba(251,248,244,.16);box-shadow:var(--sh-2);
    max-width:420px;
  }
  .sticky-cta__text strong{display:inline;margin-right:10px;}
}

/* roulang page: article */
:root{
  --c-brand:#F04E23;
  --c-brand-deep:#D63C13;
  --c-brand-light:#FF8A5C;
  --c-grad:linear-gradient(135deg,#F04E23 0%,#FF8A3D 55%,#FFC53D 100%);
  --c-accent:#C9F227;
  --c-bg:#FBF8F4;
  --c-bg-alt:#F3EDE5;
  --c-dark:#12100E;
  --c-dark-2:#1E1A16;
  --c-ink:#14110E;
  --c-ink-2:#3B342D;
  --c-ink-3:#7C736A;
  --c-line:#E8E1D8;
  --c-card-line:#EDE6DD;
  --c-ok:#1E9E6A;
  --c-warn:#E0A320;
  --c-err:#D8382B;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(20,17,14,.06);
  --sh-2:0 16px 36px -14px rgba(20,17,14,.18);
  --sh-brand:0 12px 30px -10px rgba(240,78,35,.42);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,p,figure{margin:0;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--c-grad);color:#1A1206;box-shadow:var(--sh-brand);}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px -10px rgba(240,78,35,.55);}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink);}
.btn--ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px);}
.btn--ghost:active{transform:scale(.98);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}

.link-more{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:700;color:var(--c-ink-2);
}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:var(--c-grad);transform:scaleX(.3);transform-origin:left;opacity:.6;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.link-more:hover{color:var(--c-brand-deep);}
.link-more:hover::after{transform:scaleX(1);opacity:1;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-bg);border-bottom:1px solid var(--c-line);}
.brandbar__inner{
  display:flex;align-items:center;gap:20px;min-height:68px;
  transition:min-height .22s var(--ease);
}
.site-header.is-shrink{box-shadow:var(--sh-1);}
.site-header.is-shrink .brandbar__inner{min-height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:34px;height:34px;border-radius:11px;background:var(--c-grad);color:#1A1206;
  display:grid;place-items:center;box-shadow:var(--sh-brand);
}
.logo__text{font-size:18px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
.brandbar__links{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14px;color:var(--c-ink-2);}
.brandbar__links a{position:relative;padding:4px 0;}
.brandbar__links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-grad);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.brandbar__links a:hover{color:var(--c-brand-deep);}
.brandbar__links a:hover::after{transform:scaleX(1);}
.brandbar__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:#fff;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:12px;width:20px;height:2px;border-radius:2px;background:var(--c-ink);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

.channelbar{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);}
.channelbar__inner{display:flex;align-items:center;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channels{display:flex;align-items:center;gap:6px;padding:6px 0;}
.channel{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.channel:hover{background:rgba(240,78,35,.09);color:var(--c-brand-deep);}
.channel.is-active{background:var(--c-grad);color:#1A1206;font-weight:700;}

/* ---------- Drawer ---------- */
.scrim{
  position:fixed;inset:0;background:rgba(20,17,14,.4);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.scrim.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:90;
  background:var(--c-bg);border-left:1px solid var(--c-line);
  padding:24px 22px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;transform:translateX(100%);
  transition:transform .28s var(--ease);
}
.drawer.is-open{transform:none;}
.drawer__title{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-ink-3);margin:0 0 12px;}
.drawer__list{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer__list a{
  display:block;padding:11px 14px;border-radius:var(--r-md);font-size:15px;font-weight:600;
  color:var(--c-ink-2);background:#fff;border:1px solid var(--c-card-line);
}
.drawer__list a:hover{color:var(--c-brand-deep);border-color:var(--c-brand-light);}
.drawer__list a.is-active{background:var(--c-grad);color:#1A1206;border-color:transparent;}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:22px 0 4px;font-size:13.5px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-brand-deep);}
.breadcrumb .sep{color:#CFC6BA;}
.breadcrumb .current{color:var(--c-ink-2);font-weight:600;}

/* ---------- Article head ---------- */
.article-head{padding:20px 0 34px;max-width:860px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--c-brand-deep);letter-spacing:.1em;}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--c-grad);}
.article-head h1{
  margin:14px 0 18px;
  font-size:clamp(28px,4.2vw,46px);line-height:1.22;font-weight:800;letter-spacing:-.4px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--c-ink-3);}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-ink-2);font-size:13px;font-weight:600;
}
.pill--brand{background:rgba(240,78,35,.1);color:var(--c-brand-deep);}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC6BA;}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 236px;gap:56px;
  justify-content:center;padding-bottom:72px;
}
.article-main{min-width:0;}

/* ---------- Article body ---------- */
.article-body{
  max-width:760px;font-size:16.5px;line-height:1.9;color:var(--c-ink-2);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 19px;}
.article-body h2{
  position:relative;margin:44px 0 18px;padding-left:18px;
  font-size:clamp(22px,2.6vw,28px);line-height:1.36;font-weight:800;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--c-grad);
}
.article-body h3{
  margin:30px 0 12px;font-size:clamp(19px,2.1vw,23px);line-height:1.4;font-weight:700;color:var(--c-ink);
}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:700;color:var(--c-ink);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:2px;}
.article-body li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-brand);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.18em;
  width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:var(--c-brand-deep);
  background:rgba(240,78,35,.12);font-variant-numeric:tabular-nums;
}
.article-body ol li{padding-left:30px;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-bg-alt);border-left:4px solid var(--c-brand);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-lg);margin:24px 0 10px;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0 0 10px;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;}
.article-body a{color:var(--c-brand-deep);font-weight:600;border-bottom:1px solid rgba(240,78,35,.35);}
.article-body a:hover{border-bottom-color:var(--c-brand);}
.article-body code{
  background:rgba(240,78,35,.08);color:var(--c-brand-deep);
  padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body pre{
  margin:24px 0;padding:18px 20px;background:var(--c-dark-2);color:#F6F1EA;
  border-radius:var(--r-md);overflow:auto;font-size:14px;line-height:1.75;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{
  width:100%;margin:24px 0;border-collapse:separate;border-spacing:0;
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-md);
  overflow:hidden;font-size:15px;
}
.article-body thead th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:700;}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-card-line);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:nth-child(even){background:#FCFAF7;}

/* ---------- TOC ---------- */
.toc-wrap{position:relative;}
.toc{position:sticky;top:96px;}
.toc__head{
  display:flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
  letter-spacing:.12em;color:var(--c-ink-3);margin-bottom:12px;
}
.toc__head::before{content:"";width:16px;height:3px;border-radius:3px;background:var(--c-grad);}
.toc__list{
  display:flex;flex-direction:column;gap:2px;max-height:62vh;overflow-y:auto;
  border-left:1px solid var(--c-line);padding-left:2px;
}
.toc__list a{
  display:block;padding:7px 12px;font-size:13.5px;line-height:1.55;color:var(--c-ink-3);
  border-radius:0 var(--r-sm) var(--r-sm) 0;border-left:2px solid transparent;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.toc__list a:hover{color:var(--c-brand-deep);background:rgba(240,78,35,.06);}
.toc__list a.toc__sub{padding-left:24px;font-size:13px;color:#948A80;}
.toc__list a.is-current{
  color:var(--c-brand-deep);font-weight:700;border-left-color:var(--c-brand);background:rgba(240,78,35,.07);
}

/* ---------- Empty state ---------- */
.empty-state{
  border:1.5px dashed var(--c-line);border-radius:var(--r-xl);background:#fff;
  padding:56px 28px;text-align:center;
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--c-ink);margin-bottom:10px;}
.empty-state p{color:var(--c-ink-3);font-size:15px;margin-bottom:22px;}

/* ---------- Article foot ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--c-ink-3);font-weight:700;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-card-line);font-size:13px;color:var(--c-ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:var(--c-brand-light);color:var(--c-brand-deep);transform:translateY(-2px);}

.article-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;}
.action-btn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;
  border-radius:var(--r-pill);border:1.5px solid var(--c-line);background:#fff;
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.action-btn:hover{border-color:var(--c-brand-light);color:var(--c-brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.action-btn.is-on{background:var(--c-grad);border-color:transparent;color:#1A1206;box-shadow:var(--sh-brand);}
.action-btn svg{width:17px;height:17px;}

.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;
}
.post-nav a{
  display:block;padding:18px 20px;background:#fff;border:1px solid var(--c-card-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#E0D6CA;}
.post-nav .k{font-size:12.5px;color:var(--c-ink-3);font-weight:700;letter-spacing:.08em;display:block;margin-bottom:6px;}
.post-nav .v{font-size:15px;font-weight:700;color:var(--c-ink);line-height:1.6;}
.post-nav .v:hover{color:var(--c-brand-deep);}

/* ---------- Section base ---------- */
.section{padding:76px 0;}
.section--alt{background:var(--c-bg-alt);}
.section--dark{background:var(--c-dark);color:#F5EFE8;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:800;color:inherit;}
.section-head p{margin-top:8px;font-size:15px;color:var(--c-ink-3);max-width:640px;}
.section--dark .section-head p{color:#B7ADA2;}

/* ---------- Cards ---------- */
.card{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#E2D9CD;}
.card__media{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-alt);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card__media img{transform:scale(1.04);}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__body h3{font-size:17px;line-height:1.55;font-weight:700;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__body p{font-size:14.5px;line-height:1.8;color:var(--c-ink-3);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--c-dark);color:#F7F2EB;padding:64px 48px;
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.26;
}
.cta-block::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.55) 0%,rgba(240,78,35,0) 68%);
  filter:blur(6px);
}
.cta-block > *{position:relative;z-index:2;}
.cta-block h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;font-weight:800;max-width:720px;}
.cta-block p{margin-top:14px;font-size:15.5px;color:#C7BDB1;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-block .btn--ghost{border-color:rgba(247,242,235,.55);color:#F7F2EB;}
.cta-block .btn--ghost:hover{background:#F7F2EB;color:var(--c-dark);border-color:#F7F2EB;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-dark);color:#C7BDB1;padding:66px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo__text{color:#F7F2EB;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:#9E948A;max-width:340px;}
.footer-col h4{font-size:13.5px;font-weight:700;letter-spacing:.12em;color:#8C8278;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#C7BDB1;transition:color .2s var(--ease);}
.footer-col a:hover{background:var(--c-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.footer-col p{font-size:14px;line-height:1.85;color:#9E948A;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:#8C8278;
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a:hover{color:var(--c-brand-light);}

/* ---------- Sticky mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(251,248,244,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--c-line);
  transform:translateY(110%);opacity:0;
  transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.mobile-bar.is-visible{transform:none;opacity:1;}
.mobile-bar__text{flex:1;min-width:0;font-size:13px;line-height:1.5;color:var(--c-ink-2);}
.mobile-bar__text strong{display:block;font-size:14px;color:var(--c-ink);}

.to-top{
  position:fixed;right:22px;bottom:26px;z-index:65;
  width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--c-card-line);box-shadow:var(--sh-2);
  display:grid;place-items:center;color:var(--c-ink-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background-color .2s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--c-grad);color:#1A1206;border-color:transparent;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-bottom:64px;}
  .toc-wrap{order:-1;margin-bottom:28px;}
  .toc{position:static;}
  .toc__list{max-height:none;flex-direction:row;flex-wrap:wrap;border-left:0;padding-left:0;gap:8px;}
  .toc__list a{
    border:1px solid var(--c-card-line);border-radius:var(--r-pill);background:#fff;
    padding:6px 14px;font-size:13px;
  }
  .toc__list a.toc__sub{display:none;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .brandbar__links{display:none;}
  .channelbar{display:none;}
  .nav-toggle{display:block;}
  .brandbar__actions .btn--ghost{display:none;}
  .section{padding:60px 0;}
  .cta-block{padding:48px 30px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-body{font-size:16px;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .mobile-bar{display:flex;}
  .to-top{bottom:84px;right:16px;}
  .section{padding:52px 0;}
  .cta-block{padding:40px 22px;border-radius:var(--r-lg);}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .card,.cta-block{border-radius:16px;}
  .brandbar__inner{min-height:60px;}
  .logo__text{font-size:16px;}
  .btn--sm{height:36px;padding:0 14px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --c-brand:#F04E23;
  --c-brand-deep:#D63C13;
  --c-brand-light:#FF8A5C;
  --c-grad:linear-gradient(135deg,#F04E23 0%,#FF8A3D 55%,#FFC53D 100%);
  --c-accent:#C9F227;
  --c-bg:#FBF8F4;
  --c-bg-alt:#F3EDE5;
  --c-dark:#12100E;
  --c-dark-card:#1E1A16;
  --c-ink:#14110E;
  --c-ink-2:#3B342D;
  --c-ink-3:#7C736A;
  --c-line:#E8E1D8;
  --c-card-line:#EDE6DD;
  --c-ok:#1E9E6A;
  --c-warn:#E0A320;
  --c-err:#D8382B;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(20,17,14,.06);
  --sh-2:0 16px 36px -14px rgba(20,17,14,.18);
  --sh-brand:0 12px 30px -10px rgba(240,78,35,.42);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;}
input,textarea{font:inherit;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;}
h3{font-size:20px;line-height:1.35;font-weight:700;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn:active{transform:scale(.98);}
.btn--primary{background:var(--c-grad);color:#14110E;box-shadow:var(--sh-brand);}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 36px -12px rgba(240,78,35,.5);}
.btn--ghost{border-color:rgba(20,17,14,.45);color:var(--c-ink);background:transparent;}
.btn--ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;
  background-image:var(--c-grad);background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;
  transition:background-size .25s var(--ease);
  padding-bottom:2px;
}
.link-arrow:hover{background-size:100% 2px;}

/* ---------- 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-ink-2);font-size:13px;font-weight:600;
}
.badge-data{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-dark);color:#F4EFE8;
  border:1px solid rgba(201,242,39,.35);
  border-radius:var(--r-md);padding:10px 16px;
}
.badge-data b{color:var(--c-accent);font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;}
.badge-data span{font-size:13px;color:#B9B0A5;}
.dot-status{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#CFC7BB;}
.dot-status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(201,242,39,.18);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:120;}
.brandbar{
  height:68px;background:var(--c-bg);border-bottom:1px solid var(--c-line);
  transition:height .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled .brandbar{height:56px;box-shadow:var(--sh-1);}
.brandbar__inner{display:flex;align-items:center;gap:20px;height:100%;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;flex:0 0 auto;}
.logo__mark{
  width:36px;height:36px;border-radius:12px;background:var(--c-grad);color:#fff;
  display:grid;place-items:center;box-shadow:var(--sh-brand);
}
.logo__text{font-size:17px;letter-spacing:.2px;}
.brandbar__links{margin-left:auto;display:flex;gap:22px;font-size:14px;color:var(--c-ink-2);}
.brandbar__links a{transition:color .2s var(--ease);}
.brandbar__links a:hover{color:var(--c-brand-deep);}
.brandbar__actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  background:var(--c-bg-alt);border:1px solid var(--c-line);cursor:pointer;
  position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-ink);
  transition:.22s var(--ease);content:"";
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;left:0;transform:none;}
.nav-toggle span::after{top:6px;left:0;transform:none;}

.channelbar{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);height:48px;}
.channelbar__inner{height:100%;}
.channels{display:flex;align-items:center;gap:6px;height:100%;overflow-x:auto;scrollbar-width:none;}
.channels::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;position:relative;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.channel::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-grad);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.channel:hover{color:var(--c-ink);}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{background:var(--c-grad);color:#14110E;font-weight:700;box-shadow:var(--sh-brand);}
.channel.is-active::after{display:none;}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none;
}
.drawer.is-open{visibility:visible;pointer-events:auto;}
.drawer__mask{position:absolute;inset:0;background:rgba(20,17,14,.4);opacity:0;transition:opacity .25s var(--ease);}
.drawer.is-open .drawer__mask{opacity:1;}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;width:84vw;max-width:380px;
  background:var(--c-bg);box-shadow:var(--sh-2);padding:24px 22px;
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{
  width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-bg-alt);cursor:pointer;font-size:18px;line-height:1;
}
.drawer__title{font-size:13px;font-weight:700;color:var(--c-ink-3);letter-spacing:1px;}
.drawer__list li + li{margin-top:6px;}
.drawer__list a{
  display:block;padding:12px 14px;border-radius:var(--r-md);background:var(--c-bg-alt);
  font-size:15px;font-weight:600;color:var(--c-ink-2);
}
.drawer__list a.is-active{background:var(--c-grad);color:#14110E;}
.drawer__meta{font-size:14px;color:var(--c-ink-3);line-height:1.8;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.45;}
.breadcrumb .is-current{color:rgba(255,255,255,.5);}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-dark);color:#fff;overflow:hidden;}
.hero__bg{position:absolute;inset:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,16,14,.74) 0%,rgba(18,16,14,.9) 100%);
}
.hero__glow{
  position:absolute;width:520px;height:520px;right:-140px;top:-180px;pointer-events:none;
  background:radial-gradient(circle,rgba(240,78,35,.42) 0%,rgba(240,78,35,0) 68%);
}
.hero__inner{position:relative;padding:72px 0 76px;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-accent);letter-spacing:1px;margin-bottom:16px;
}
.hero__eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--c-grad);}
.hero h1{color:#fff;margin-bottom:18px;}
.hero h1 em{font-style:normal;background:var(--c-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__sub{font-size:17px;color:#CDC4B8;max-width:560px;line-height:1.85;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero .btn--ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.hero .btn--ghost:hover{background:#fff;color:var(--c-ink);}
.hero__note{margin-top:18px;font-size:14px;color:#A79E92;}

.hero-card{
  background:rgba(30,26,22,.86);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-xl);padding:14px;box-shadow:var(--sh-2);backdrop-filter:blur(6px);
}
.hero-card__media{border-radius:var(--r-lg);overflow:hidden;position:relative;}
.hero-card__media img{width:100%;height:230px;object-fit:cover;}
.hero-card__chip{
  position:absolute;left:14px;top:14px;
  background:var(--c-dark);border:1px solid rgba(201,242,39,.4);border-radius:var(--r-pill);
  padding:6px 14px;font-size:13px;font-weight:700;color:var(--c-accent);
}
.hero-card__body{padding:18px 8px 8px;}
.hero-card__body h3{color:#fff;font-size:18px;margin-bottom:8px;}
.hero-card__body p{font-size:14px;color:#B4ABA0;line-height:1.8;}
.hero-card__row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--alt{background:var(--c-bg-alt);}
.section--dark{background:var(--c-dark);color:#F2ECE4;}
.section__head{max-width:760px;margin-bottom:44px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-brand-deep);letter-spacing:1px;margin-bottom:12px;
}
.section__eyebrow::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--c-grad);}
.section--dark .section__eyebrow{color:var(--c-brand-light);}
.section__sub{margin-top:14px;font-size:16px;color:var(--c-ink-3);line-height:1.85;}
.section--dark .section__sub{color:#A79E92;}
.section__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ---------- 数据徽章条 ---------- */
.statbar{
  background:var(--c-dark-card);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-xl);padding:22px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:-42px;position:relative;z-index:3;box-shadow:var(--sh-2);
}
.stat{display:flex;flex-direction:column;gap:6px;padding:6px 10px;}
.stat b{font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--c-accent);line-height:1;font-variant-numeric:tabular-nums;}
.stat span{font-size:13px;color:#A79E92;}
.stat + .stat{border-left:1px dashed rgba(255,255,255,.12);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-top:8px;}
.timeline::before{
  content:"";position:absolute;left:29px;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#F04E23 0%,#FF8A3D 48%,#FFC53D 100%);
  opacity:.9;
}
.step{position:relative;padding-left:88px;margin-bottom:26px;}
.step:last-child{margin-bottom:0;}
.step__num{
  position:absolute;left:0;top:4px;width:60px;height:60px;border-radius:18px;
  background:var(--c-grad);color:#fff;font-weight:800;font-size:18px;
  display:grid;place-items:center;box-shadow:var(--sh-brand);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.step__card{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  padding:24px;display:grid;grid-template-columns:1fr 260px;gap:26px;align-items:center;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step__card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step--rev .step__card{grid-template-columns:260px 1fr;}
.step--rev .step__media{order:-1;}
.step--rev .step__body{order:1;}
.step__media{border-radius:var(--r-md);overflow:hidden;}
.step__media img{width:100%;height:180px;object-fit:cover;transition:transform .4s var(--ease);}
.step__card:hover .step__media img{transform:scale(1.04);}
.step__body h3{margin-bottom:8px;}
.step__time{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(240,78,35,.1);color:var(--c-brand-deep);font-size:12px;font-weight:700;margin-bottom:10px;
}
.step__body p{font-size:15px;color:var(--c-ink-2);line-height:1.85;}
.step__points{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.step__points span{
  font-size:13px;color:var(--c-ink-2);background:var(--c-bg-alt);
  border-radius:var(--r-pill);padding:5px 12px;
}

/* ---------- 节奏表 ---------- */
.rhythm{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.rhythm__row{
  display:grid;grid-template-columns:170px 1fr 200px;gap:20px;align-items:center;
  padding:18px 26px;font-size:15px;color:var(--c-ink-2);
}
.rhythm__row + .rhythm__row{border-top:1px solid var(--c-card-line);}
.rhythm__row:nth-child(odd){background:var(--c-bg-alt);}
.rhythm__row--head{background:#fff !important;font-weight:700;color:var(--c-ink);font-size:13px;letter-spacing:.5px;}
.rhythm__time{font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.rhythm__flag{
  justify-self:start;font-size:12px;font-weight:700;border-radius:var(--r-pill);
  padding:4px 12px;background:rgba(30,158,106,.1);color:var(--c-ok);
}
.rhythm__flag--warn{background:rgba(224,163,32,.12);color:var(--c-warn);}
.rhythm__flag--hot{background:rgba(240,78,35,.12);color:var(--c-brand-deep);}

/* ---------- 场景卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.card__icon{
  width:48px;height:48px;border-radius:50%;background:var(--c-grad);color:#fff;
  display:grid;place-items:center;margin-bottom:16px;box-shadow:var(--sh-brand);
}
.card h3{margin-bottom:10px;}
.card p{font-size:15px;color:var(--c-ink-2);line-height:1.85;}
.card__list{margin-top:14px;font-size:14px;color:var(--c-ink-3);}
.card__list li{position:relative;padding-left:16px;line-height:1.9;}
.card__list li::before{
  content:"";position:absolute;left:0;top:.85em;width:6px;height:6px;border-radius:50%;background:var(--c-brand);
}

/* ---------- FAQ ---------- */
.faq{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq__item + .faq__item{border-top:1px solid var(--c-line);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--c-ink);
  transition:background .2s var(--ease);
}
.faq__q:hover{background:var(--c-bg-alt);}
.faq__q i{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-bg-alt);
  display:grid;place-items:center;font-style:normal;font-size:15px;color:var(--c-brand-deep);
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq__item.is-open .faq__q i{transform:rotate(90deg);background:var(--c-grad);color:#fff;}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq__a p{padding:0 26px 22px 30px;font-size:15px;color:var(--c-ink-2);border-left:4px solid transparent;}
.faq__item.is-open .faq__a p{border-left-color:var(--c-brand);}
.faq__item.is-open .faq__a{padding-left:0;}

/* ---------- 订阅 / 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-xl);
  padding:30px;box-shadow:var(--sh-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;font-weight:700;color:var(--c-ink-2);}
.field input,.field select,.field textarea{
  height:48px;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-bg);
  padding:0 14px;color:var(--c-ink);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:transparent;box-shadow:0 0 0 2px var(--c-brand);
  background:#fff;
}
.field--full{grid-column:1 / -1;}
.form-hint{font-size:13px;color:var(--c-ink-3);margin-top:12px;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;background:var(--c-dark);color:#F2ECE4;
  border-radius:var(--r-xl);padding:56px;overflow:hidden;
}
.cta-band__glow{
  position:absolute;width:460px;height:460px;left:-120px;bottom:-220px;
  background:radial-gradient(circle,rgba(255,197,61,.28) 0%,rgba(255,197,61,0) 68%);
}
.cta-band__inner{position:relative;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:#B4ABA0;font-size:16px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band__side{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#A79E92;}
.cta-band__side strong{color:var(--c-accent);font-size:20px;font-variant-numeric:tabular-nums;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#C4BBB0;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo__text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:#9E958A;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:14px;color:#8B8279;font-weight:700;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:#C4BBB0;transition:color .2s var(--ease);}
.footer-col a:hover{background:var(--c-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.footer-col p{font-size:14px;color:#9E958A;line-height:1.85;}
.footer-bottom{
  margin-top:44px;padding-top:22px;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:#8B8279;
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:#A79E92;}
.footer-links a:hover{color:var(--c-brand-light);}

/* ---------- 底部转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:150;
  background:rgba(18,16,14,.96);border-top:1px solid rgba(255,255,255,.08);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:flex;align-items:center;gap:14px;justify-content:space-between;
  transform:translateY(110%);opacity:0;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1;}
.sticky-cta p{font-size:13px;color:#B4ABA0;line-height:1.5;}
.sticky-cta p b{color:var(--c-accent);}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:22px;bottom:96px;z-index:140;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--c-card-line);box-shadow:var(--sh-2);
  display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.back-top.is-visible{opacity:1;pointer-events:auto;}
.back-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:100%;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .hero__inner{grid-template-columns:1fr;gap:36px;}
  .hero-card__media img{height:260px;}
  .rhythm__row{grid-template-columns:140px 1fr 160px;padding:16px 20px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .brandbar__links{display:none;}
  .nav-toggle{display:block;}
  .channelbar{display:none;}
  .section{padding:64px 0;}
  .step{padding-left:0;padding-top:74px;}
  .timeline::before{left:28px;top:8px;bottom:8px;}
  .step__num{top:0;width:56px;height:56px;border-radius:16px;}
  .step__card,.step--rev .step__card{grid-template-columns:1fr;}
  .step--rev .step__media{order:0;}
  .step--rev .step__body{order:0;}
  .step__media img{height:200px;}
  .statbar{grid-template-columns:repeat(2,1fr);margin-top:-30px;}
  .stat + .stat{border-left:0;}
  .stat:nth-child(even){border-left:1px dashed rgba(255,255,255,.12);}
  .cta-band{padding:36px 26px;}
  .cta-band__inner{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .sticky-cta{transform:translateY(0);opacity:1;}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
  .back-top{bottom:86px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero__inner{padding:44px 0 56px;}
  .hero__sub{font-size:16px;}
  .hero__actions .btn{width:100%;}
  .hero-card__media img{height:200px;}
  .statbar{padding:16px;gap:8px;}
  .card-grid{grid-template-columns:1fr;}
  .rhythm__row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
  .rhythm__row--head{display:none;}
  .step__num{width:48px;height:48px;border-radius:14px;font-size:16px;}
  .timeline::before{left:23px;}
  .faq__q{padding:18px 18px;font-size:16px;}
  .faq__a p{padding:0 18px 18px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:30px 20px;border-radius:var(--r-lg);}
}
@media (max-width:479px){
  body{font-size:15px;}
  h1{font-size:28px;}
  .logo__text{font-size:15px;}
  .btn{height:46px;padding:0 20px;}
  .section{padding:48px 0;}
  .card,.step__card,.form-card{border-radius:16px;}
  .hero__eyebrow{font-size:12px;}
  .back-top{right:14px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-brand:#F04E23;
  --c-brand-d:#D63C13;
  --c-brand-l:#FF8A5C;
  --c-grad:linear-gradient(135deg,#F04E23 0%,#FF8A3D 55%,#FFC53D 100%);
  --c-accent:#C9F227;
  --c-bg:#FBF8F4;
  --c-bg-alt:#F3EDE5;
  --c-dark:#12100E;
  --c-dark-2:#1E1A16;
  --c-ink:#14110E;
  --c-ink-2:#3B342D;
  --c-ink-3:#7C736A;
  --line:#E8E1D8;
  --card-line:#EDE6DD;
  --ok:#1E9E6A;
  --warn:#E0A320;
  --err:#D8382B;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(20,17,14,.06);
  --sh-2:0 16px 36px -14px rgba(20,17,14,.18);
  --sh-brand:0 12px 30px -10px rgba(240,78,35,.42);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--c-dark);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
}
.btn--primary{
  background:var(--c-grad);color:#2A1206;box-shadow:var(--sh-brand);
}
.btn--primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 36px -12px rgba(240,78,35,.55);}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{
  background:#fff;border-color:var(--card-line);color:var(--c-ink);
}
.btn--ghost:hover{background:var(--c-dark);border-color:var(--c-dark);color:#fff;transform:translateY(-2px);}
.btn--ghost:active{transform:scale(.98);}
.btn--outline{
  background:transparent;border-color:var(--c-ink);color:var(--c-ink);
}
.btn--outline:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px);}
.btn--outline:active{transform:scale(.98);}
.btn--outline-light{
  background:transparent;border-color:rgba(255,255,255,.45);color:#fff;
}
.btn--outline-light:hover{background:#fff;border-color:#fff;color:var(--c-ink);transform:translateY(-2px);}
.btn--outline-light:active{transform:scale(.98);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.6;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--c-brand-d);
  background:rgba(240,78,35,.08);
  border:1px solid rgba(240,78,35,.18);
  padding:5px 13px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-grad);}
.tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;
  color:var(--c-ink-2);
  background:var(--c-bg-alt);
  border:1px solid var(--line);
  padding:4px 12px;border-radius:var(--r-pill);
}
.tag--brand{background:rgba(240,78,35,.1);border-color:rgba(240,78,35,.22);color:var(--c-brand-d);}
.badge-data{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(18,16,14,.88);
  border:1px solid rgba(201,242,39,.45);
  color:#fff;font-size:12px;font-weight:600;
  padding:6px 12px;border-radius:var(--r-pill);
  backdrop-filter:blur(6px);
}
.badge-data b{color:var(--c-accent);font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;}

/* ============ 站点头部 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--c-bg);
}
.brandbar{
  background:var(--c-bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-shrink .brandbar{box-shadow:var(--sh-1);}
.brandbar__inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
  transition:height .22s var(--ease);
}
.site-header.is-shrink .brandbar__inner{height:56px;}

.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;flex-shrink:0;
}
.logo__mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--c-grad);color:#fff;
  display:grid;place-items:center;
  box-shadow:var(--sh-brand);
  flex-shrink:0;
}
.site-header.is-shrink .logo__mark{width:30px;height:30px;border-radius:10px;}
.logo__text{font-size:17px;letter-spacing:.2px;color:var(--c-ink);white-space:nowrap;}

.brandbar__links{
  display:flex;align-items:center;gap:22px;
  margin-left:auto;
  font-size:14px;color:var(--c-ink-2);
}
.brandbar__links a{position:relative;padding:4px 0;transition:color .2s var(--ease);}
.brandbar__links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.brandbar__links a:hover{color:var(--c-ink);}
.brandbar__links a:hover::after{transform:scaleX(1);}

.brandbar__actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.brandbar__links + .brandbar__actions{margin-left:0;}

.nav-toggle{
  display:none;
  width:44px;height:44px;flex-shrink:0;
  border:1px solid var(--card-line);border-radius:12px;
  background:#fff;position:relative;cursor:pointer;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-brand);}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;
  background:var(--c-ink);border-radius:2px;transform:translateX(-50%);
}
.nav-toggle span{top:21px;}
.nav-toggle::before{top:15px;}
.nav-toggle::after{top:27px;}

/* ============ 频道行 ============ */
.channelbar{
  background:var(--c-bg-alt);
  border-bottom:1px solid var(--line);
}
.channelbar__inner{
  display:flex;align-items:center;
  height:48px;
}
.channels{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  width:100%;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;height:32px;
  padding:0 15px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.channel:hover{background:rgba(240,78,35,.1);color:var(--c-ink);}
.channel.is-active{
  background:var(--c-grad);color:#2A1206;font-weight:700;
  box-shadow:0 6px 16px -8px rgba(240,78,35,.7);
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:140;
  background:rgba(18,16,14,.4);
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;
  width:84vw;max-width:360px;
  background:var(--c-bg);
  padding:20px;
  display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  box-shadow:-20px 0 50px -20px rgba(20,17,14,.4);
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer__close{
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--card-line);background:#fff;
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s var(--ease);
}
.drawer__close:hover{border-color:var(--c-brand);}
.drawer__title{
  font-size:13px;font-weight:700;color:var(--c-ink-3);
  letter-spacing:.06em;margin-top:4px;
}
.drawer__channels{display:grid;gap:6px;}
.drawer__channels a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--card-line);
  font-size:15px;font-weight:600;color:var(--c-ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.drawer__channels a:hover{border-color:var(--c-brand);color:var(--c-ink);background:rgba(240,78,35,.05);}
.drawer__channels a.is-active{background:var(--c-grad);color:#2A1206;border-color:transparent;}
.drawer__note{font-size:13px;color:var(--c-ink-3);line-height:1.7;}

/* ============ 首屏 ============ */
.page-hero{position:relative;background:var(--c-dark);color:#fff;overflow:hidden;}
.page-hero__bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.45;
}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,16,14,.72) 0%,rgba(18,16,14,.92) 100%),
             radial-gradient(560px 320px at 85% 8%,rgba(255,138,61,.38),transparent 68%);
}
.page-hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.1fr .9fr;
  gap:48px;align-items:center;
  padding:56px 24px 68px;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.62);
  margin-bottom:20px;
}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.5;}
.breadcrumb .current{color:rgba(255,255,255,.5);}

.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--c-grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.page-hero__sub{
  font-size:17px;line-height:1.85;
  color:rgba(255,255,255,.75);
  max-width:600px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.hero-card{
  position:relative;
  background:#fff;border-radius:24px;overflow:hidden;
  box-shadow:0 30px 60px -22px rgba(0,0,0,.6);
  transform:translateY(-12px);
}
.hero-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.hero-card__media img{width:100%;height:100%;object-fit:cover;}
.hero-card__badges{
  position:absolute;top:14px;left:14px;
  display:flex;gap:8px;flex-wrap:wrap;
}
.hero-card__body{padding:18px 20px 20px;color:var(--c-ink);}
.hero-card__title{font-size:17px;font-weight:800;line-height:1.4;margin-bottom:8px;}
.hero-card__body p{font-size:14px;line-height:1.7;color:var(--c-ink-3);}

/* ============ 数据徽章条 ============ */
.statbar{
  background:var(--c-dark-2);
  border-top:1px solid rgba(255,255,255,.08);
}
.statbar__inner{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding-top:24px;padding-bottom:24px;
}
.stat{display:flex;align-items:baseline;gap:10px;}
.stat__num{
  font-size:clamp(26px,3vw,34px);
  font-weight:800;line-height:1;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
}
.stat__label{font-size:14px;color:rgba(255,255,255,.7);}

/* ============ 板块 ============ */
.section{padding:88px 0;}
.section--alt{background:var(--c-bg-alt);}
.section--dark{background:var(--c-dark);color:#fff;}
.section__head{max-width:760px;margin-bottom:46px;}
.section__title{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section--dark .section__title{color:#fff;}
.section__sub{font-size:16px;line-height:1.9;color:var(--c-ink-3);}
.section--dark .section__sub{color:rgba(255,255,255,.68);}

/* ============ 对比区 ============ */
.compare-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.spec-card{
  background:#fff;
  border:1px solid var(--card-line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:26px;
  display:flex;flex-direction:column;gap:18px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.spec-card--deep{border-color:rgba(240,78,35,.35);}
.spec-card--deep:hover{border-color:rgba(240,78,35,.6);}
.spec-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.spec-card__media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;
  background:var(--c-bg-alt);
}
.spec-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s var(--ease);
}
.spec-card:hover .spec-card__media img{transform:scale(1.04);}
.spec-card h3{font-size:21px;font-weight:800;line-height:1.35;}
.spec-card__desc{font-size:14.5px;line-height:1.8;color:var(--c-ink-3);}

.spec-rows{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.spec-row{
  display:grid;grid-template-columns:96px 1fr;gap:14px;
  padding:12px 16px;
  font-size:14px;line-height:1.7;
  border-top:1px solid var(--line);
}
.spec-row:first-child{border-top:0;}
.spec-row:nth-child(odd){background:var(--c-bg-alt);}
.spec-row__k{color:var(--c-ink-3);}
.spec-row__v{color:var(--c-ink-2);font-weight:600;}

/* ============ 要点清单 ============ */
.points-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.point-card{
  background:#fff;
  border:1px solid var(--card-line);
  border-radius:var(--r-xl);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.point-card:nth-child(2){transform:translateY(-12px);}
.point-card:nth-child(2):hover{transform:translateY(-15px);}
.point-card__icon{
  width:48px;height:48px;border-radius:50%;
  background:var(--c-grad);color:#2A1206;
  display:grid;place-items:center;
  margin-bottom:18px;
  box-shadow:var(--sh-brand);
}
.point-card h3{font-size:19px;font-weight:800;margin-bottom:10px;line-height:1.4;}
.point-card p{font-size:14.5px;line-height:1.85;color:var(--c-ink-3);}

/* ============ 深色更新区 ============ */
.dark-grid{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;
}
.dark-list{display:grid;gap:16px;}
.dark-item{
  background:var(--c-dark-2);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--r-lg);
  padding:20px 22px;
  display:grid;grid-template-columns:auto 1fr;gap:16px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.dark-item:hover{transform:translateY(-3px);border-color:rgba(201,242,39,.35);}
.dark-item__num{
  font-size:22px;font-weight:800;line-height:1.3;
  color:var(--c-accent);font-variant-numeric:tabular-nums;
}
.dark-item h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:6px;}
.dark-item p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}

/* ============ 结论卡 ============ */
.conclusion{
  padding:2px;border-radius:var(--r-xl);
  background:var(--c-grad);
  box-shadow:var(--sh-2);
}
.conclusion__inner{
  background:#fff;
  border-radius:calc(var(--r-xl) - 2px);
  padding:40px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
}
.conclusion__inner h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.3;font-weight:800;margin-bottom:14px;
}
.conclusion__inner > div > p{font-size:15px;line-height:1.85;color:var(--c-ink-3);}
.check-list{margin-top:20px;display:grid;gap:11px;}
.check-list li{
  position:relative;padding-left:30px;
  font-size:15px;line-height:1.7;color:var(--c-ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;
  width:18px;height:18px;border-radius:50%;
  background:var(--c-grad);
}
.check-list li::after{
  content:"";position:absolute;left:6px;top:10px;
  width:6px;height:3px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;
  transform:rotate(-45deg);
}
.conclusion__media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;
}
.conclusion__media img{width:100%;height:100%;object-fit:cover;}
.conclusion__actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 常见问题 ============ */
.faq-wrap{
  background:#fff;
  border:1px solid var(--card-line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item{border-top:1px solid var(--line);}
.faq-item:first-child{border-top:0;}
.faq-item summary{
  position:relative;
  display:flex;align-items:center;gap:14px;
  padding:20px 26px 20px 30px;
  font-size:16px;font-weight:700;line-height:1.6;
  cursor:pointer;list-style:none;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--c-grad);opacity:0;
  transition:opacity .22s var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary::after{
  content:"";margin-left:auto;flex-shrink:0;
  width:11px;height:11px;
  border-right:2px solid var(--c-ink-3);
  border-bottom:2px solid var(--c-ink-3);
  transform:rotate(45deg);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--c-brand);}
.faq-item summary:hover{color:var(--c-brand-d);}
.faq-body{
  padding:0 30px 22px;
  font-size:15px;line-height:1.9;color:var(--c-ink-2);
  max-width:880px;
}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-dark);color:#fff;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 300px at 88% 12%,rgba(255,138,61,.32),transparent 70%);
  pointer-events:none;
}
.cta-band__inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
  padding-top:76px;padding-bottom:76px;
}
.cta-band h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.28;font-weight:800;margin-bottom:12px;
}
.cta-band p{font-size:16px;line-height:1.85;color:rgba(255,255,255,.7);max-width:640px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band__note{margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.55);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark-2);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo__text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{
  font-size:14px;font-weight:700;
  color:rgba(255,255,255,.5);
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .2s var(--ease);
}
.footer-col a:hover{
  background:var(--c-grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{transition:color .2s var(--ease);}
.footer-links a:hover{color:#fff;}

/* ============ 底部转化条 / 返回顶部 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:96;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(18,16,14,.96);
  border-top:1px solid rgba(255,255,255,.12);
  color:#fff;
  backdrop-filter:blur(10px);
  transform:translateY(110%);
  transition:transform .28s var(--ease);
}
.mobile-bar.is-show{transform:translateY(0);}
.mobile-bar__text{font-size:13px;line-height:1.5;color:rgba(255,255,255,.78);}
.mobile-bar .btn{flex-shrink:0;}

.to-top{
  position:fixed;right:18px;
  bottom:calc(86px + env(safe-area-inset-bottom));
  z-index:94;
  width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--card-line);
  box-shadow:var(--sh-2);
  display:grid;place-items:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),border-color .22s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:var(--c-brand);}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{max-width:1200px;}
}

@media (max-width:1199px){
  .brandbar__links{display:none;}
  .brandbar__actions{margin-left:auto;}
  .page-hero__inner{grid-template-columns:1fr .8fr;gap:32px;}
}

@media (max-width:1023px){
  .nav-toggle{display:block;}
  .channelbar{display:none;}
  .brandbar__links{display:none;}
  .site-header.is-shrink .brandbar__inner{height:60px;}

  .page-hero__inner{grid-template-columns:1fr;gap:30px;padding:40px 24px 54px;}
  .hero-card{transform:none;max-width:520px;}

  .compare-grid{grid-template-columns:1fr;}
  .points-grid{grid-template-columns:1fr;gap:18px;}
  .point-card:nth-child(2){transform:none;}
  .point-card:nth-child(2):hover{transform:translateY(-3px);}
  .dark-grid{grid-template-columns:1fr;gap:30px;}
  .conclusion__inner{grid-template-columns:1fr;gap:26px;padding:30px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:26px;}

  body{padding-bottom:76px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (min-width:1024px){
  .mobile-bar{
    left:auto;right:28px;bottom:28px;
    max-width:440px;
    border:1px solid rgba(255,255,255,.16);
    border-radius:var(--r-pill);
    padding:10px 12px 10px 22px;
    box-shadow:var(--sh-2);
  }
  .to-top{right:28px;bottom:104px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section__head{margin-bottom:32px;}
  .brandbar__inner{height:60px;gap:12px;}
  .logo__text{font-size:15.5px;}
  .brandbar__actions .btn--ghost{display:none;}

  .statbar__inner{grid-template-columns:repeat(2,1fr);gap:16px;}
  .hero-actions .btn{width:100%;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .page-hero__sub{font-size:15.5px;}

  .spec-card{padding:20px;}
  .spec-row{grid-template-columns:84px 1fr;gap:10px;padding:11px 14px;font-size:13.5px;}
  .point-card{padding:22px 20px;}

  .conclusion__inner{padding:24px 20px;}
  .check-list li{font-size:14.5px;}

  .faq-item summary{padding:16px 18px 16px 22px;font-size:15px;}
  .faq-body{padding:0 22px 18px;font-size:14.5px;}

  .cta-band__inner{padding-top:56px;padding-bottom:56px;}
  .cta-band__actions .btn{width:100%;}

  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}

@media (max-width:479px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .spec-card,.point-card{border-radius:16px;}
  .faq-wrap,.conclusion{border-radius:16px;}
  .conclusion__inner{border-radius:14px;}
  .badge-data{font-size:11.5px;padding:5px 10px;}
  .hero-card__badges{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --c-brand:#F04E23;
  --c-brand-d:#D63C13;
  --c-brand-l:#FF8A5C;
  --c-grad:linear-gradient(135deg,#F04E23 0%,#FF8A3D 55%,#FFC53D 100%);
  --c-accent:#C9F227;
  --c-bg:#FBF8F4;
  --c-bg-alt:#F3EDE5;
  --c-dark:#12100E;
  --c-dark-2:#1E1A16;
  --c-ink:#14110E;
  --c-ink-2:#3B342D;
  --c-ink-3:#7C736A;
  --c-line:#E8E1D8;
  --c-card:#EDE6DD;
  --c-ok:#1E9E6A;
  --c-warn:#E0A320;
  --c-err:#D8382B;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(20,17,14,.06);
  --sh-2:0 16px 36px -14px rgba(20,17,14,.18);
  --sh-brand:0 12px 30px -10px rgba(240,78,35,.42);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
strong{font-weight:800}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(240,78,35,.2)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60}
.brandbar{background:var(--c-bg);border-bottom:1px solid var(--c-line);transition:box-shadow .2s var(--ease)}
.site-header.is-scrolled .brandbar{box-shadow:var(--sh-1)}
.brandbar__inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .2s var(--ease)}
.site-header.is-scrolled .brandbar__inner{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap}
.logo__mark{
  width:34px;height:34px;border-radius:11px;background:var(--c-grad);
  color:#fff;display:grid;place-items:center;box-shadow:var(--sh-brand);flex:none;
}
.logo__text{font-size:17px;letter-spacing:.2px;color:var(--c-ink)}
.brandbar__links{display:flex;gap:22px;font-size:14px;color:var(--c-ink-2);margin-left:8px}
.brandbar__links a{position:relative;padding:4px 0;transition:color .18s var(--ease)}
.brandbar__links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  border-radius:2px;background:var(--c-grad);transition:right .22s var(--ease);
}
.brandbar__links a:hover{color:var(--c-ink)}
.brandbar__links a:hover::after{right:0}
.brandbar__actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),filter .18s var(--ease);
}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--primary{background:var(--c-grad);color:#fff;box-shadow:var(--sh-brand)}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px -10px rgba(240,78,35,.55)}
.btn--primary:active{transform:scale(.98)}
.btn--ghost{border:1.5px solid var(--c-ink);color:var(--c-ink);background:transparent}
.btn--ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px)}
.btn--ghost:active{transform:scale(.98)}
.btn--light{background:#fff;color:var(--c-ink)}
.btn--light:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--outline-light{border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn--outline-light:hover{background:#fff;color:var(--c-ink);transform:translateY(-2px)}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--c-line);place-items:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.channelbar{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line)}
.channelbar__inner{display:flex;align-items:center;height:48px;gap:8px;position:relative}
.channels{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--c-ink-2);
  white-space:nowrap;transition:color .18s var(--ease),background .18s var(--ease)
}
.channel:hover{color:var(--c-ink)}
.channel:hover::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;
  border-radius:2px;background:var(--c-grad);
}
.channel.is-active{background:var(--c-grad);color:#14110E;box-shadow:var(--sh-brand)}
.channel.is-active::after{display:none}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,17,14,.4);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;z-index:90;
  background:var(--c-bg);padding:24px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
  box-shadow:-20px 0 50px -20px rgba(20,17,14,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer__title{font-size:13px;font-weight:700;color:var(--c-ink-3);letter-spacing:.08em;margin-bottom:14px}
.drawer__list li{margin-bottom:8px}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;border-radius:var(--r-md);background:#fff;
  border:1px solid var(--c-card);font-size:15px;font-weight:600;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease)
}
.drawer__list a:hover{transform:translateX(-2px);box-shadow:var(--sh-1)}
.drawer__list a.is-active{background:var(--c-grad);color:#14110E;border-color:transparent}
.drawer__foot{margin-top:22px;display:grid;gap:10px}
.drawer__note{font-size:13px;color:var(--c-ink-3);margin-top:14px;line-height:1.8}

/* ---------- banner ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--c-dark);isolation:isolate}
.page-banner__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;z-index:0}
.page-banner::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(18,16,14,.95) 0%,rgba(18,16,14,.74) 46%,rgba(18,16,14,.36) 100%);
}
.page-banner::after{
  content:"";position:absolute;right:-140px;top:-180px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.55),rgba(240,78,35,0) 66%);
  filter:blur(8px);z-index:1;
}
.page-banner__inner{position:relative;z-index:2;padding:64px 0 60px;color:#fff;max-width:880px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px}
.breadcrumb a{transition:color .18s var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:rgba(255,255,255,.92)}
.page-banner h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.5px}
.page-banner__sub{margin-top:18px;font-size:clamp(15px,1.5vw,18px);line-height:1.85;color:rgba(255,255,255,.76);max-width:700px}
.banner-stats{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(4px);
}
.stat-badge b{font-size:22px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1}
.stat-badge span{font-size:13px;color:rgba(255,255,255,.72)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section--alt{background:var(--c-bg-alt)}
.section--tight{padding-top:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:36px;flex-wrap:wrap}
.section-head p{font-size:15px;color:var(--c-ink-3);max-width:520px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  letter-spacing:.1em;color:var(--c-brand-d);margin-bottom:14px;
}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:2px;background:var(--c-grad)}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.3px}
h3{font-size:20px;line-height:1.4;font-weight:700}
.section-head h2{max-width:640px}

.lead-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:56px;align-items:start}
.lead-copy p{margin-top:18px;color:var(--c-ink-2);font-size:16px}
.check-list{margin-top:24px}
.check-list li{position:relative;padding-left:26px;margin-top:12px;font-size:15px;color:var(--c-ink-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:50%;
  background:var(--c-grad);box-shadow:0 0 0 3px rgba(240,78,35,.12);
}
.lead-panel{
  background:#fff;border:1px solid var(--c-card);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.lead-panel::before{
  content:"";position:absolute;right:-70px;top:-70px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.16),transparent 68%);
}
.lead-panel h3{position:relative;font-size:18px;margin-bottom:6px}
.lead-panel p{position:relative;font-size:14px;color:var(--c-ink-3)}
.panel-list{margin-top:20px;position:relative}
.panel-list li{
  display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-top:1px dashed var(--c-line);
  font-size:14px;color:var(--c-ink-2);
}
.panel-list li:first-child{border-top:0;padding-top:0}
.panel-list .num{
  flex:none;width:26px;height:26px;border-radius:9px;background:var(--c-bg-alt);
  color:var(--c-brand-d);font-size:13px;font-weight:800;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}

/* ---------- gallery ---------- */
.gallery-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.tab-chip{
  height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:transform .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.tab-chip:hover{border-color:var(--c-brand-l);color:var(--c-ink);transform:translateY(-2px)}
.tab-chip.is-active{background:var(--c-ink);color:#fff;border-color:var(--c-ink);box-shadow:var(--sh-1)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.gallery-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-card);
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.gallery-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.gallery-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-alt)}
.gallery-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.gallery-card:hover .gallery-card__media img{transform:scale(1.05)}
.gallery-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,16,14,0) 42%,rgba(18,16,14,.6) 100%);
  transition:opacity .3s var(--ease);
}
.gallery-card__tag{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--c-ink);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
  letter-spacing:.02em;
}
.gallery-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.gallery-card__body h3{font-size:18px;line-height:1.45}
.gallery-card__body p{
  font-size:14px;line-height:1.85;color:var(--c-ink-3);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.link-arrow{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-brand-d);transition:gap .2s var(--ease)
}
.link-arrow:hover{gap:11px}
.gallery-card.is-hidden{display:none}
.gallery-empty{
  grid-column:1 / -1;border:1.5px dashed var(--c-line);border-radius:var(--r-xl);
  padding:40px 24px;text-align:center;color:var(--c-ink-3);font-size:15px;
}

/* ---------- order list ---------- */
.order-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.order-item{
  background:#fff;border:1px solid var(--c-card);border-radius:var(--r-lg);
  padding:26px;display:flex;gap:16px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.order-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.order-item .badge{
  flex:none;width:42px;height:42px;border-radius:13px;background:var(--c-grad);
  color:#fff;font-size:17px;font-weight:800;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;box-shadow:var(--sh-brand);
}
.order-item h3{font-size:17px;margin-bottom:8px}
.order-item p{font-size:14px;color:var(--c-ink-3);line-height:1.85}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--c-card);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{position:relative;border-top:1px solid var(--c-line)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:22px 26px;
  text-align:left;font-size:16px;font-weight:700;line-height:1.6;
}
.faq-q:hover{color:var(--c-brand-d)}
.faq-q .chev{margin-left:auto;flex:none;color:var(--c-brand);transition:transform .22s var(--ease)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 26px 22px 26px;font-size:15px;color:var(--c-ink-2);line-height:1.9}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-grad);
}
.faq-item.is-open .chev{transform:rotate(90deg)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--c-dark);
  color:#fff;padding:56px;display:grid;grid-template-columns:1.4fr .85fr;gap:40px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.5),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;left:-80px;top:-120px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,39,.16),transparent 70%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-side{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px}
.cta-side dt{font-size:13px;color:rgba(255,255,255,.55);font-weight:700;letter-spacing:.06em}
.cta-side dd{margin:6px 0 16px;font-size:15px;color:#fff;font-weight:600}
.cta-side dd:last-child{margin-bottom:0}
.cta-side .accent{color:var(--c-accent);font-variant-numeric:tabular-nums;font-weight:800}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .logo__text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.5);letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8}
.footer-col a{transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--c-brand-l)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a:hover{color:var(--c-brand-l)}

/* ---------- floating ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(18,16,14,.96);backdrop-filter:blur(8px);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;gap:14px;
  transform:translateY(110%);transition:transform .3s var(--ease);
}
.mobile-cta.is-visible{transform:translateY(0)}
.mobile-cta__text{font-size:13px;color:rgba(255,255,255,.75);line-height:1.5;flex:1}
.mobile-cta__text b{display:block;color:#fff;font-size:14px;font-weight:700}
.to-top{
  position:fixed;right:24px;bottom:32px;width:48px;height:48px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);
  display:grid;place-items:center;color:var(--c-ink);z-index:65;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-brand)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 20px}
  .gallery-grid{gap:20px}
  .footer-grid{gap:28px}
}
@media (max-width:1023px){
  .brandbar__links{display:none}
  .nav-toggle{display:grid}
  .channelbar{display:none}
  .brandbar__inner{height:60px}
  .site-header.is-scrolled .brandbar__inner{height:56px}
  .lead-grid{grid-template-columns:1fr;gap:36px}
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .order-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .mobile-cta{display:flex}
  .to-top{bottom:96px;right:16px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .page-banner__inner{padding:40px 0 38px}
  .gallery-grid{grid-template-columns:1fr}
  .gallery-tabs{gap:8px}
  .tab-chip{height:36px;padding:0 14px;font-size:13px}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
  .cta-band{padding:28px}
  .brandbar__actions .btn--ghost{display:none}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .gallery-card{border-radius:16px}
  .gallery-card__body{padding:16px 18px 20px}
  .lead-panel{padding:22px}
  .stat-badge{padding:8px 14px}
  .stat-badge b{font-size:19px}
}

/* roulang page: category5 */
:root{
  --c-brand:#F04E23;
  --c-brand-d:#D63C13;
  --c-brand-l:#FF8A5C;
  --c-grad:linear-gradient(135deg,#F04E23 0%,#FF8A3D 55%,#FFC53D 100%);
  --c-accent:#C9F227;
  --c-bg:#FBF8F4;
  --c-bg-alt:#F3EDE5;
  --c-dark:#12100E;
  --c-dark-2:#1E1A16;
  --c-ink:#14110E;
  --c-ink-2:#3B342D;
  --c-ink-3:#7C736A;
  --c-line:#E8E1D8;
  --c-card-line:#EDE6DD;
  --c-ok:#1E9E6A;
  --c-warn:#E0A320;
  --c-err:#D8382B;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(20,17,14,.06);
  --sh-2:0 16px 36px -14px rgba(20,17,14,.18);
  --sh-brand:0 12px 30px -10px rgba(240,78,35,.42);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--primary{background:var(--c-grad);color:#fff;box-shadow:0 8px 20px -10px rgba(240,78,35,.6);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-brand);filter:brightness(1.05);}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{border:1.5px solid var(--c-ink);color:var(--c-ink);background:transparent;}
.btn--ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px);}
.btn--ghost:active{transform:scale(.98);}
.btn--dark{background:var(--c-dark);color:#fff;}
.btn--dark:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--light{background:#fff;color:var(--c-ink);}
.btn--light:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-ink);
  background-image:var(--c-grad);background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;
  padding-bottom:3px;transition:background-size .25s var(--ease),color .2s var(--ease);
}
.link-arrow:hover{background-size:100% 2px;color:var(--c-brand-d);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-bg);transition:box-shadow .25s var(--ease);}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.brandbar{border-bottom:1px solid var(--c-line);background:var(--c-bg);}
.brandbar__inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .25s var(--ease);}
.site-header.is-stuck .brandbar__inner{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;}
.logo__mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-grad);color:#fff;box-shadow:0 6px 16px -8px rgba(240,78,35,.8);flex:0 0 auto;
}
.logo__text{white-space:nowrap;}
.brandbar__links{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14px;color:var(--c-ink-2);}
.brandbar__links a{position:relative;padding:4px 0;}
.brandbar__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-grad);
  transition:width .25s var(--ease);border-radius:2px;
}
.brandbar__links a:hover::after{width:100%;}
.brandbar__actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

.channelbar{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);}
.channelbar__inner{display:flex;align-items:center;height:48px;overflow:hidden;}
.channels{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;width:100%;}
.channels::-webkit-scrollbar{display:none;}
.channel{
  display:inline-block;padding:7px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.channel:hover{background:rgba(240,78,35,.08);color:var(--c-brand-d);}
.channel.is-active{background:var(--c-grad);color:#fff;font-weight:700;box-shadow:0 6px 16px -10px rgba(240,78,35,.9);}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;width:84vw;max-width:360px;height:100%;z-index:90;
  background:var(--c-bg);transform:translateX(105%);transition:transform .3s var(--ease);
  padding:24px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__mask{
  position:fixed;inset:0;background:rgba(20,17,14,.4);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:80;
}
.drawer__mask.is-open{opacity:1;visibility:visible;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__head .logo{font-size:16px;}
.drawer__close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);font-size:18px;line-height:1;background:#fff;}
.drawer__title{font-size:13px;color:var(--c-ink-3);letter-spacing:1px;margin:16px 0 8px;}
.drawer__list li a{
  display:block;padding:12px 14px;border-radius:var(--r-md);font-size:15px;color:var(--c-ink-2);
  border:1px solid transparent;
}
.drawer__list li a:hover{background:#fff;border-color:var(--c-card-line);}
.drawer__list li a.is-active{background:var(--c-grad);color:#fff;font-weight:700;}
.drawer__foot{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.drawer__foot p{font-size:13px;color:var(--c-ink-3);}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);}
.crumbs li::after{content:"/";margin-left:8px;color:var(--c-line);}
.crumbs li:last-child::after{display:none;}
.crumbs a{color:var(--c-ink-2);}
.crumbs a:hover{color:var(--c-brand-d);}
.crumbs .is-current{color:var(--c-ink-3);}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;margin-top:18px;border-radius:var(--r-xl);overflow:hidden;
  min-height:352px;display:flex;align-items:flex-end;
  background-image:linear-gradient(115deg,rgba(18,16,14,.92) 0%,rgba(18,16,14,.72) 52%,rgba(240,78,35,.55) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;top:-80px;right:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,197,61,.5) 0%,rgba(255,197,61,0) 68%);pointer-events:none;
}
.page-hero__inner{position:relative;z-index:2;padding:48px 44px;max-width:820px;color:#fff;}
.page-hero__tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  font-size:13px;letter-spacing:.6px;color:#fff;
}
.page-hero__dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);}
.page-hero h1{
  margin:18px 0 14px;font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.5px;
}
.page-hero__grad{
  background:var(--c-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero p{font-size:clamp(15px,1.4vw,17px);color:rgba(255,255,255,.82);max-width:640px;line-height:1.85;}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.pill--solid{background:var(--c-accent);color:var(--c-dark);border-color:transparent;font-weight:700;}

/* ---------- 文档布局 ---------- */
.doc-layout{
  display:grid;grid-template-columns:248px minmax(0,1fr);gap:48px;
  padding:64px 0 88px;align-items:start;
}
.doc-toc{
  position:sticky;top:96px;background:#fff;border:1px solid var(--c-card-line);
  border-radius:var(--r-lg);padding:22px 20px;box-shadow:var(--sh-1);
}
.doc-toc__title{
  font-size:13px;letter-spacing:1px;color:var(--c-ink-3);margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.doc-toc__title::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--c-grad);}
.doc-toc ol{display:flex;flex-direction:column;gap:2px;counter-reset:toc;}
.doc-toc li a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--c-ink-2);
  border-left:3px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.doc-toc li a:hover{background:var(--c-bg-alt);color:var(--c-brand-d);}
.doc-toc li a.is-current{
  background:rgba(240,78,35,.08);border-left-color:var(--c-brand);color:var(--c-brand-d);font-weight:700;
}
.doc-toc__cta{margin-top:20px;padding-top:18px;border-top:1px dashed var(--c-line);}
.doc-toc__cta p{font-size:13px;color:var(--c-ink-3);margin-bottom:12px;}

.doc-main{min-width:0;max-width:820px;}
.doc-section{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  padding:34px 34px 30px;box-shadow:var(--sh-1);margin-bottom:26px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.doc-section:hover{box-shadow:var(--sh-2);}
.doc-section__head{display:flex;align-items:flex-start;gap:14px;margin-bottom:16px;}
.q-badge{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;
  background:var(--c-grad);color:#fff;font-weight:800;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(240,78,35,.9);
}
.doc-section h2{font-size:clamp(20px,2.2vw,24px);line-height:1.35;font-weight:800;}
.doc-section p{color:var(--c-ink-2);margin-top:14px;}
.doc-section p:first-of-type{margin-top:0;}
.doc-section h3{font-size:18px;font-weight:700;margin:26px 0 10px;display:flex;align-items:center;gap:8px;}
.doc-section h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand);}
.check-list{margin-top:16px;display:grid;gap:10px;}
.check-list li{
  position:relative;padding:12px 16px 12px 42px;border-radius:var(--r-md);
  background:var(--c-bg-alt);font-size:15px;color:var(--c-ink-2);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:16px;top:20px;width:12px;height:12px;border-radius:4px;
  background:var(--c-grad);
}
.figure{margin:22px 0 8px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-card-line);}
.figure img{width:100%;height:300px;object-fit:cover;transition:transform .45s var(--ease);}
.figure:hover img{transform:scale(1.03);}
.figure figcaption{font-size:13px;color:var(--c-ink-3);padding:12px 16px;background:var(--c-bg-alt);}

.note-card{
  margin-top:20px;border-radius:var(--r-md);padding:18px 20px;
  background:rgba(201,242,39,.16);border:1px solid rgba(201,242,39,.6);
  font-size:14.5px;color:var(--c-ink-2);line-height:1.8;
}
.note-card strong{color:var(--c-ink);}

/* 折叠面板 */
.fold{display:grid;gap:12px;margin-top:6px;}
.fold-item{
  border:1px solid var(--c-card-line);border-radius:var(--r-md);overflow:hidden;background:#fff;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.fold-item.is-open{border-color:rgba(240,78,35,.4);box-shadow:var(--sh-1);}
.fold-btn{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:16px 18px;font-size:16px;font-weight:700;color:var(--c-ink);
}
.fold-btn .ico{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--c-bg-alt);
  display:inline-flex;align-items:center;justify-content:center;transition:transform .25s var(--ease),background .25s var(--ease);
  font-size:13px;font-weight:800;color:var(--c-brand-d);
}
.fold-item.is-open .fold-btn .ico{transform:rotate(90deg);background:var(--c-grad);color:#fff;}
.fold-btn span.t{flex:1 1 auto;}
.fold-body{
  max-height:0;overflow:hidden;transition:max-height .32s var(--ease);
  border-left:0;
}
.fold-item.is-open .fold-body{border-left:4px solid transparent;border-image:var(--c-grad) 1;}
.fold-body__inner{padding:0 20px 18px 54px;font-size:15px;color:var(--c-ink-2);line-height:1.85;}

/* 关联入口 */
.related{margin-top:8px;}
.related__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;}
.related__head h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;}
.related__head p{font-size:14px;color:var(--c-ink-3);margin-top:6px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.rel-card__img{overflow:hidden;height:150px;}
.rel-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rel-card:hover .rel-card__img img{transform:scale(1.04);}
.rel-card__body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rel-card h3{font-size:16px;font-weight:700;line-height:1.45;}
.rel-card p{font-size:14px;color:var(--c-ink-3);line-height:1.75;flex:1 1 auto;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-dark);color:#fff;
  border-radius:var(--r-xl);padding:56px 44px;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.55) 0%,rgba(240,78,35,0) 66%);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:100%;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 16px);
}
.cta-band__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);font-weight:800;line-height:1.3;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15px;max-width:560px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-wrap{padding:0 0 88px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);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;}
.footer-brand .logo{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h4{font-size:14px;color:rgba(255,255,255,.5);font-weight:700;letter-spacing:.6px;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.75);transition:color .2s var(--ease);}
.footer-col a:hover{
  background:var(--c-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{color:rgba(255,255,255,.6);}
.footer-links a:hover{color:#fff;}

/* ---------- 底部转化条 / 返回顶部 ---------- */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(18,16,14,.96);color:#fff;border-top:1px solid rgba(255,255,255,.1);
  transform:translateY(110%);transition:transform .3s var(--ease);
}
.convert-bar.is-show{transform:translateY(0);}
.convert-bar p{font-size:13px;color:rgba(255,255,255,.8);line-height:1.5;}
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:65;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:center;color:var(--c-ink);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--c-brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .doc-layout{grid-template-columns:220px minmax(0,1fr);gap:32px;}
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  .brandbar__links{display:none;}
  .nav-toggle{display:inline-flex;}
  .channelbar{display:none;}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:28px;padding:44px 0 64px;}
  .doc-toc{position:static;top:auto;}
  .doc-toc ol{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .doc-toc li a{border-left:0;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:7px 14px;}
  .doc-toc li a.is-current{border-color:transparent;background:var(--c-grad);color:#fff;}
  .doc-main{max-width:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .page-hero{min-height:300px;border-radius:var(--r-lg);}
  .page-hero__inner{padding:32px 22px;}
  .page-hero::after{opacity:.5;}
  .doc-section{padding:24px 20px;border-radius:var(--r-lg);}
  .fold-body__inner{padding:0 16px 16px 42px;}
  .cta-band{padding:38px 22px;border-radius:var(--r-lg);}
  .cta-wrap{padding-bottom:96px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .convert-bar{display:flex;}
  .to-top{right:16px;bottom:82px;}
  .figure img{height:220px;}
}
@media (max-width:479px){
  .brandbar__inner{height:60px;}
  .logo__text{font-size:15px;}
  .brandbar__actions .btn--ghost{display:none;}
  .doc-section{border-radius:16px;}
  .rel-card{border-radius:16px;}
  .doc-toc{border-radius:16px;}
}