/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --ink:#0C3B33;
  --ink-900:#08241F;
  --ink-600:#14564A;
  --accent:#FF5A1F;
  --accent-soft:#FFE3D6;
  --paper:#F6F3ED;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#16201D;
  --muted:#6B7A75;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(12,59,51,.06);
  --shadow-2:0 12px 32px rgba(12,59,51,.12);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:"Inter","system-ui","-apple-system","Segoe UI",sans-serif;
}
/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border-radius:var(--radius-img);object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
.container{max-width:1240px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:104px 0}
.section--tight{padding:72px 0}
.section--white{background:var(--surface)}
.section--paper{background:var(--paper)}
.section-head{margin-bottom:48px;max-width:820px}
.section-index{
  font-family:var(--font-num);
  font-size:56px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.04em;
  color:rgba(12,59,51,.12);
  display:block;
  margin-bottom:10px;
}
.section-head h2{
  position:relative;
  font-size:32px;
  font-weight:700;
  line-height:1.25;
  padding-left:16px;
  letter-spacing:-.01em;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.12em;
  width:4px;height:.9em;
  background:var(--accent);
  border-radius:2px;
}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;max-width:44em}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--row .section-head__text{max-width:760px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  min-height:44px;
}
.text-link i{font-size:12px;transition:transform .2s ease}
.text-link:hover{color:var(--accent)}
.text-link:hover i{transform:translateX(4px)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;
  letter-spacing:0;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  border:2px solid transparent;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.24)}
.btn--primary:hover{background:#e64d16;transform:translateY(-2px);color:#fff}
.btn--primary:active{transform:translateY(0);background:#cc4413}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:var(--accent);color:#fff;transform:translateY(-2px);border-color:var(--accent)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 标签 ===== */
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--ink-600);
  font-size:13px;font-weight:600;
  line-height:1;
}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .24s ease}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(12,59,51,.10)}
.brand-bar{background:var(--surface);transition:background-color .24s ease}
.brand-bar__inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:baseline;gap:8px;flex-shrink:0}
.brand__mark{
  font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  line-height:1;
}
.brand__name{
  font-size:15px;font-weight:700;color:var(--ink-600);line-height:1;
  padding:5px 10px;border-radius:6px;background:rgba(20,86,74,.08);
}
.search-box{
  display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:280px;
  height:40px;padding:0 14px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .2s ease,background-color .2s ease;
}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--muted)}
.search-box:focus-within{border-color:var(--accent);background:#fff}
.hot-words{display:flex;align-items:center;gap:8px;margin-left:auto}
.hot-words__label{font-size:13px;color:var(--muted);font-weight:600}
.hot-words a{
  font-size:13px;font-weight:600;color:var(--ink-600);
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.hot-words a:hover{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--ink)}
.header-help{font-size:14px;font-weight:600;color:var(--muted);min-height:44px;display:inline-flex;align-items:center}
.header-help:hover{color:var(--ink)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  color:var(--ink);font-size:18px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--paper)}
.channel-bar{border-top:1px solid var(--line);background:var(--surface)}
.channel-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:48px}
.channel-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  position:relative;display:inline-flex;align-items:center;
  height:48px;font-size:15px;font-weight:600;color:var(--ink-600);
  white-space:nowrap;
}
.channel-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.channel-list a:hover{color:var(--ink)}
.channel-list a:hover::after{transform:scaleX(1)}
.channel-list a.is-active{color:var(--ink)}
.channel-list a.is-active::after{transform:scaleX(1)}
.channel-update{font-size:13px;color:var(--muted);font-weight:500;white-space:nowrap}
.channel-update i{color:var(--accent);margin-right:6px;font-size:11px}
.site-header.is-scrolled .brand-bar{background:var(--ink-900)}
.site-header.is-scrolled .brand__mark,
.site-header.is-scrolled .header-help,
.site-header.is-scrolled .hot-words__label{color:#F6F3ED}
.site-header.is-scrolled .brand__name{color:#F6F3ED;background:rgba(255,255,255,.12)}
.site-header.is-scrolled .hot-words a{color:#F6F3ED;border-color:rgba(246,243,237,.28)}
.site-header.is-scrolled .hot-words a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.site-header.is-scrolled .search-box{background:rgba(255,255,255,.08);border-color:rgba(246,243,237,.24)}
.site-header.is-scrolled .search-box input{color:#F6F3ED}
.site-header.is-scrolled .search-box input::placeholder{color:rgba(246,243,237,.65)}
.site-header.is-scrolled .brand-bar__inner{height:56px}
.site-header.is-scrolled .channel-bar{background:var(--ink-900);border-top-color:rgba(246,243,237,.14)}
.site-header.is-scrolled .channel-list a{color:rgba(246,243,237,.75);height:48px}
.site-header.is-scrolled .channel-list a.is-active,
.site-header.is-scrolled .channel-list a:hover{color:#fff}
.site-header.is-scrolled .channel-update{color:rgba(246,243,237,.7)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--surface);
  transform:translateY(-100%);
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;
  padding:0;
}
.mobile-drawer.is-open{transform:translateY(0)}
.mobile-drawer__top{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;border-bottom:1px solid var(--line)}
.mobile-drawer__close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);border-radius:var(--radius-btn)}
.mobile-drawer__close:hover{background:var(--paper)}
.mobile-drawer nav{padding:12px 0;flex:1;overflow-y:auto}
.mobile-drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 20px;font-size:18px;font-weight:600;color:var(--ink);
}
.mobile-drawer nav a:hover{background:var(--paper)}
.mobile-drawer nav a.is-active{color:var(--accent)}
.mobile-drawer__foot{padding:20px;border-top:1px solid var(--line)}
.mobile-drawer__foot .btn{width:100%}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:
    radial-gradient(760px 420px at 12% 8%, rgba(12,59,51,.10), rgba(12,59,51,0) 68%),
    linear-gradient(0deg, rgba(227,222,211,.55) 1px, transparent 1px) 0 0/100% 34px,
    var(--paper);
  padding:88px 0 76px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  background:repeating-linear-gradient(135deg, rgba(12,59,51,.05) 0 2px, transparent 2px 12px);
  border-radius:50%;
  pointer-events:none;
}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--ink-600);
  background:rgba(20,86,74,.08);
  padding:7px 14px;border-radius:999px;margin-bottom:22px;
}
.hero__eyebrow i{color:var(--accent);font-size:11px}
.hero h1{
  font-size:60px;font-weight:800;line-height:1.14;letter-spacing:-.02em;
  color:var(--ink);
}
.hero h1 .hl{
  position:relative;display:inline-block;color:var(--ink);
}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:6px;
  background:var(--accent);
  border-radius:3px;opacity:.85;
  z-index:-1;
}
.hero__sub{margin-top:22px;font-size:19px;color:var(--muted);max-width:34em}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.hero__trust{margin-top:20px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}
.hero__trust span{display:inline-flex;align-items:center;gap:6px}
.hero__trust i{color:var(--accent);font-size:11px}
.hero__media{position:relative}
.hero__media img{
  width:100%;aspect-ratio:16/10;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
}
.hero__media::before{
  content:"";position:absolute;left:-18px;bottom:-18px;width:120px;height:120px;
  background:var(--accent-soft);border-radius:var(--radius-card);z-index:-1;
}
.hero__media-caption{
  margin-top:14px;font-size:13px;color:var(--muted);
}
.hero-stats{
  margin-top:52px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);padding-top:28px;
}
.hero-stats__item{padding-right:24px;border-right:1px solid var(--line)}
.hero-stats__item:last-child{border-right:0;padding-right:0}
.hero-stats__num{font-family:var(--font-num);font-size:30px;font-weight:800;color:var(--ink);line-height:1.2}
.hero-stats__label{font-size:13px;color:var(--muted);margin-top:4px}

/* ===== 痛点段 01 ===== */
.pain{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.pain__list{margin-left:auto;width:100%;max-width:720px}
.pain__item{
  display:grid;grid-template-columns:52px 1fr;gap:16px;
  padding:22px 0;border-bottom:1px dashed var(--line);
}
.pain__item:first-child{padding-top:0}
.pain__item:last-child{border-bottom:0;padding-bottom:0}
.pain__num{
  font-family:var(--font-num);font-size:20px;font-weight:800;
  color:var(--accent);line-height:1.5;
}
.pain__item h3{font-size:19px;font-weight:700;line-height:1.35;margin-bottom:6px}
.pain__item p{font-size:14px;color:var(--muted);line-height:1.75}

/* ===== 解决方案段 02 ===== */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.sol-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.sol-card__icon{
  width:44px;height:44px;border-radius:12px;
  border:1.5px solid var(--ink);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:18px;margin-bottom:20px;
}
.sol-card h3{font-size:21px;font-weight:700;line-height:1.35;margin-bottom:10px}
.sol-card p{font-size:15px;color:var(--muted);line-height:1.8}
.sol-card__list{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.sol-card--feature{
  grid-row:span 2;
  padding:0;overflow:hidden;display:flex;flex-direction:column;
  background:var(--surface);
}
.sol-card--feature img{width:100%;height:240px;border-radius:0}
.sol-card--feature .sol-card__body{padding:28px 32px 32px}
.sol-card--feature h3{font-size:22px}
.sol-card--feature ul{margin-top:18px;display:grid;gap:12px}
.sol-card--feature li{
  display:flex;gap:10px;font-size:15px;color:var(--text);
}
.sol-card--feature li i{color:var(--accent);font-size:13px;margin-top:7px}

/* ===== 成果段 03 ===== */
.results{
  position:relative;color:#F6F3ED;
  background-image:linear-gradient(rgba(8,36,31,.72),rgba(8,36,31,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.results .section-head h2{color:#fff}
.results .section-head h2::before{background:var(--accent)}
.results .section-head p{color:rgba(246,243,237,.78)}
.results .section-index{color:rgba(246,243,237,.22)}
.results-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(246,243,237,.24);padding-top:36px}
.results-item{padding:0 28px;border-right:1px solid rgba(246,243,237,.24)}
.results-item:first-child{padding-left:0}
.results-item:last-child{border-right:0;padding-right:0}
.results-item__num{
  font-family:var(--font-num);font-size:52px;font-weight:800;line-height:1.05;
  color:#fff;letter-spacing:-.03em;
}
.results-item__num span{font-size:15px;font-weight:600;margin-left:6px;color:rgba(246,243,237,.72)}
.results-item__label{margin-top:10px;font-size:15px;font-weight:600;color:#fff}
.results-item__desc{margin-top:6px;font-size:13px;color:rgba(246,243,237,.68);line-height:1.7}

/* ===== 最新信息（CMS） ===== */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.news-head h2{
  position:relative;font-size:32px;font-weight:700;line-height:1.25;padding-left:16px;
}
.news-head h2::before{content:"";position:absolute;left:0;top:.12em;width:4px;height:.9em;background:var(--accent);border-radius:2px}
.news-head p{margin-top:14px;font-size:14px;color:var(--muted)}
.news-lead{
  display:grid;grid-template-columns:5fr 7fr;gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  margin-bottom:24px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.news-lead:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.news-lead__media{display:block;overflow:hidden}
.news-lead__media img{width:100%;height:100%;min-height:280px;aspect-ratio:16/10;border-radius:0;transition:transform .3s ease}
.news-lead:hover .news-lead__media img{transform:scale(1.03)}
.news-lead__body{padding:36px 40px;display:flex;flex-direction:column;justify-content:center}
.news-lead__body h3{font-size:26px;font-weight:700;line-height:1.35;margin:16px 0 12px}
.news-lead__body h3 a:hover{color:var(--accent)}
.news-lead__body p{font-size:15px;color:var(--muted);line-height:1.8}
.news-meta{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  margin-top:22px;font-size:13px;color:var(--muted);
}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.news-card__media{display:block;overflow:hidden}
.news-card__media img{width:100%;aspect-ratio:16/10;border-radius:0;transition:transform .3s ease}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-card__body h3{
  font-size:19px;font-weight:700;line-height:1.42;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__body h3 a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.news-card__body p{
  font-size:14px;color:var(--muted);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .news-meta{margin-top:18px;justify-content:space-between;gap:12px}
.news-empty{
  background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius-card);padding:64px 24px;text-align:center;
}
.news-empty i{font-size:28px;color:var(--ink-600);opacity:.5}
.news-empty p{margin-top:16px;font-size:16px;font-weight:600;color:var(--ink)}
.news-empty span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* ===== 证言段 04 ===== */
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote{
  background:var(--surface);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);
  border-left:3px solid var(--accent);
}
.quote p{font-size:19px;line-height:1.75;color:var(--text)}
.quote__person{display:flex;align-items:center;gap:12px;margin-top:24px}
.quote__avatar{
  width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#F6F3ED;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
}
.quote__name{font-size:14px;font-weight:600;color:var(--ink)}
.quote__role{font-size:13px;color:var(--muted)}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px}
.faq .accordion{border:0;background:transparent;margin:0}
.faq .accordion-item{border-bottom:1px solid var(--line);background:transparent}
.faq .accordion-title{
  position:relative;
  display:block;
  padding:22px 48px 22px 0;
  font-size:18px;font-weight:600;color:var(--ink);
  border:0;background:transparent;
  line-height:1.55;
}
.faq .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:14px;color:var(--accent);
  transition:transform .2s ease;
}
.faq .accordion-title[aria-expanded="true"]::before{content:"\f068"}
.faq .accordion-title:hover{color:var(--accent)}
.faq .accordion-content{
  padding:0 40px 24px 0;border:0;background:transparent;
  font-size:15px;color:var(--muted);line-height:1.78;
}
.faq .accordion-content p{max-width:760px}

/* ===== CTA ===== */
.cta{
  position:relative;color:#F6F3ED;text-align:center;
  background-image:linear-gradient(rgba(8,36,31,.68),rgba(8,36,31,.68)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:80px 0;
}
.cta h2{font-size:34px;font-weight:800;line-height:1.25;letter-spacing:-.01em;color:#fff}
.cta p{margin:18px auto 32px;font-size:16px;color:rgba(246,243,237,.82);max-width:36em}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);color:rgba(246,243,237,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand__logo{display:flex;align-items:baseline;gap:8px;margin-bottom:18px}
.footer-brand__logo span:first-child{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.02em}
.footer-brand__logo span:last-child{font-size:13px;font-weight:700;color:#F6F3ED;background:rgba(255,255,255,.12);padding:4px 9px;border-radius:6px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:30em}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:4px}
.footer-col a{
  display:inline-flex;align-items:center;
  min-height:36px;font-size:14px;color:rgba(246,243,237,.66);
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact p{font-size:14px;line-height:1.9}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(246,243,237,.16);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,243,237,.55);
}
.footer-bottom a{color:rgba(246,243,237,.7)}
.footer-bottom a:hover{color:#fff}

/* ===== 返回顶部 ===== */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background-color .2s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--accent)}

/* ===== 入场动画 ===== */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.22,.61,.36,1),transform .32s cubic-bezier(.22,.61,.36,1)}
.fade-up.is-in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:80px 0}
  .hero{padding:64px 0 56px}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:42px}
  .hero__sub{font-size:18px}
  .hero__media img{aspect-ratio:16/9}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .hero-stats__item:nth-child(2){border-right:0;padding-right:0}
  .hero-stats__item{padding-bottom:4px}
  .pain{grid-template-columns:1fr;gap:32px}
  .solution-grid{grid-template-columns:repeat(2,1fr)}
  .sol-card--feature{grid-row:auto;grid-column:span 2}
  .results-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .results-item:nth-child(2){border-right:0;padding-right:0}
  .news-lead{grid-template-columns:1fr}
  .news-lead__media img{min-height:220px}
  .news-lead__body{padding:28px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .hot-words,.header-help,.channel-update{display:none}
  .nav-toggle{display:flex}
  .brand-bar__inner{gap:12px}
  .brand__mark{font-size:19px}
  .brand__name{font-size:13px;padding:4px 8px}
  .search-box{max-width:none;flex:1}
  .quotes{grid-template-columns:1fr}
  .cta h2{font-size:27px}
  .section-head h2,.news-head h2{font-size:25px}
  .section-index{font-size:44px}
  .results-item__num{font-size:40px}
  .news-lead__body h3{font-size:22px}
}
@media screen and (max-width:520px){
  .container{padding:0 20px}
  .section{padding:60px 0}
  .hero{padding:48px 0 44px}
  .hero h1{font-size:32px;line-height:1.24}
  .hero__sub{font-size:16px}
  .hero__actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr;gap:0}
  .hero-stats__item{border-right:0;border-bottom:1px solid var(--line);padding:16px 0}
  .hero-stats__item:last-child{border-bottom:0}
  .solution-grid{grid-template-columns:1fr}
  .sol-card--feature{grid-column:span 1}
  .results-grid{grid-template-columns:1fr;gap:0}
  .results-item{border-right:0;border-bottom:1px solid rgba(246,243,237,.2);padding:22px 0}
  .results-item:last-child{border-bottom:0}
  .news-grid{grid-template-columns:1fr}
  .news-lead__body{padding:22px}
  .news-head{flex-direction:column;align-items:flex-start}
  .quote p{font-size:17px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .fade-up{opacity:1;transform:none}
}

/* roulang page: article */
/* ===================== 设计变量 ===================== */
:root{
  --ink:#0C3B33;
  --ink-900:#08241F;
  --ink-600:#14564A;
  --accent:#FF5A1F;
  --accent-soft:#FFE3D6;
  --paper:#F6F3ED;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#16201D;
  --muted:#6B7A75;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(12,59,51,.06);
  --shadow-2:0 12px 32px rgba(12,59,51,.12);
  --container:1240px;
  --read:820px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
svg{display:block}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--text)}
h1{font-size:40px;font-weight:800;line-height:1.2;letter-spacing:-.02em}
h2{font-size:32px;line-height:1.25}
h3{font-size:21px;line-height:1.35}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
a:visited,a:hover,a:focus{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:var(--accent-soft);color:var(--ink-900)}
/* Foundation 默认味覆盖 */
body,html{font-family:inherit}
a{color:inherit}
.button,button{background:none;box-shadow:none}
.accordion{background:transparent;border:0;margin:0}
.accordion-title{border:0}
.grid-x{margin-left:0;margin-right:0}
/* ===================== 通用容器与板块 ===================== */
.container{
  width:100%;max-width:var(--container);
  margin:0 auto;padding:0 32px;
}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--surface{background:var(--surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-title{position:relative;padding-left:16px}
.section-title::before{
  content:"";position:absolute;left:0;top:.12em;width:4px;height:.9em;
  background:var(--accent);border-radius:2px;
}
.section-desc{color:var(--muted);font-size:14px;font-weight:500;margin-top:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-600);
  background:var(--accent-soft);border-radius:999px;padding:6px 14px;
}
.rule{height:1px;background:var(--line);border:0;margin:0}
/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:all .2s var(--ease);border:2px solid transparent;
}
.btn i{font-size:14px;transition:transform .2s var(--ease)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,90,31,.22)}
.btn--primary:hover{background:#F04E14;color:#fff;transform:translateY(-2px)}
.btn--primary:active{transform:translateY(0);background:#DB4510}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn--ghost:active{background:var(--ink-900);border-color:var(--ink-900)}
.btn--pill{border-radius:999px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink);position:relative;
}
.link-arrow::after{content:"→";transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{transform:translateX(4px)}
/* ===================== 标签 / 徽章 ===================== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:var(--ink-600);
  background:var(--accent-soft);border-radius:999px;padding:5px 12px;
  line-height:1.5;
}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.tag--ink{background:var(--ink);color:#F6F3ED}
/* ===================== 页头导航 ===================== */
.site-header{position:sticky;top:0;z-index:120;background:var(--surface);box-shadow:0 1px 0 rgba(12,59,51,.06)}
.brand-bar{background:var(--surface);border-bottom:1px solid var(--line);transition:background-color .24s var(--ease),border-color .24s var(--ease)}
.brand-bar__inner{display:flex;align-items:center;gap:20px;height:64px;transition:height .24s var(--ease)}
.brand{display:inline-flex;align-items:baseline;gap:8px;white-space:nowrap}
.brand__mark{font-size:21px;font-weight:800;letter-spacing:-.02em;color:var(--ink);transition:color .24s var(--ease)}
.brand__name{font-size:14px;font-weight:600;color:var(--ink-600);transition:color .24s var(--ease)}
.search-box{
  display:flex;align-items:center;gap:10px;flex:1;max-width:280px;
  height:44px;padding:0 14px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .2s var(--ease),background-color .24s var(--ease);
}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;
  min-width:0;height:100%;
}
.search-box input::placeholder{color:var(--muted)}
.search-box:focus-within{border-color:var(--accent);background:#fff}
.hot-words{display:flex;align-items:center;gap:8px;margin-left:auto}
.hot-words__label{font-size:13px;color:var(--muted);font-weight:600}
.hot-words a{
  font-size:13px;font-weight:600;color:var(--ink-600);
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;
  transition:all .2s var(--ease);
}
.hot-words a:hover{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--ink)}
.header-help{font-size:14px;font-weight:600;color:var(--muted)}
.header-help:hover{color:var(--accent)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  align-items:center;justify-content:center;font-size:18px;color:var(--ink);
  border:1px solid var(--line);
}
.channel-bar{background:var(--ink);transition:background-color .24s var(--ease)}
.channel-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:48px}
.channel-list{display:flex;align-items:center;gap:26px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  display:inline-block;position:relative;white-space:nowrap;
  font-size:14.5px;font-weight:600;color:rgba(246,243,237,.76);
  padding:14px 0;
}
.channel-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.channel-list a:hover{color:#fff}
.channel-list a:hover::after,.channel-list a.is-active::after{transform:scaleX(1)}
.channel-list a.is-active{color:#fff}
.channel-update{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:rgba(246,243,237,.6);white-space:nowrap}
.channel-update i{font-size:7px;color:var(--accent)}
/* 吸顶收缩态 */
.site-header.is-scrolled .brand-bar{background:var(--ink-900);border-color:var(--ink-900)}
.site-header.is-scrolled .brand-bar__inner{height:56px}
.site-header.is-scrolled .brand__mark{color:#F6F3ED;font-size:18px}
.site-header.is-scrolled .brand__name{color:rgba(246,243,237,.7)}
.site-header.is-scrolled .search-box{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
.site-header.is-scrolled .search-box i,.site-header.is-scrolled .search-box input::placeholder{color:rgba(246,243,237,.6)}
.site-header.is-scrolled .search-box input{color:#F6F3ED}
.site-header.is-scrolled .hot-words a{border-color:rgba(255,255,255,.2);color:rgba(246,243,237,.85)}
.site-header.is-scrolled .hot-words__label,.site-header.is-scrolled .header-help{color:rgba(246,243,237,.6)}
.site-header.is-scrolled .nav-toggle{color:#F6F3ED;border-color:rgba(255,255,255,.2)}
/* ===================== 移动端抽屉 ===================== */
.nav-drawer{
  position:fixed;inset:0;z-index:200;background:rgba(8,36,31,.55);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible}
.nav-drawer__panel{
  position:absolute;top:0;right:0;width:min(360px,88vw);height:100%;
  background:var(--surface);padding:20px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .28s var(--ease);overflow-y:auto;
}
.nav-drawer.is-open .nav-drawer__panel{transform:translateX(0)}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.nav-drawer__title{font-size:17px;font-weight:800;color:var(--ink)}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--ink)}
.drawer-list{margin-top:12px}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:18px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-list a.is-active{color:var(--accent)}
.drawer-list a::after{content:"›";color:var(--muted);font-size:20px}
.drawer-cta{margin-top:auto;width:100%}
body.is-locked{overflow:hidden}
/* ===================== 面包屑 ===================== */
.breadcrumb-wrap{background:var(--surface);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:14px 0;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#C6C0B4}
.breadcrumb .current{color:var(--text);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ===================== 文章头部 ===================== */
.article-top{background:var(--surface);padding:44px 0 40px}
.article-top__inner{max-width:var(--read);margin:0 auto}
.article-kicker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.article-title{font-size:42px;font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:18px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--muted);font-weight:500}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{color:#C6C0B4}
/* ===================== 头图 ===================== */
.article-figure{margin:0 0 8px}
.article-figure__img{
  width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--radius-img);
  background:repeating-linear-gradient(135deg,#0C3B33 0 14px,#0A322B 14px 28px);
}
.article-figure figcaption{font-size:13px;color:var(--muted);padding:10px 2px 0}
/* ===================== 文章主体布局 ===================== */
.article-main{padding:56px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.article-shell{max-width:var(--read)}
/* CMS 正文排版 */
.article-content{font-size:17px;line-height:1.85;color:var(--text)}
.article-content>*:first-child{margin-top:0}
.article-content h2{
  font-size:30px;font-weight:700;line-height:1.3;margin:52px 0 18px;
  padding-left:16px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.14em;width:4px;height:.86em;background:var(--accent);border-radius:2px;
}
.article-content h3{font-size:22px;font-weight:700;margin:36px 0 14px;color:var(--ink)}
.article-content h4{font-size:18px;font-weight:700;margin:28px 0 12px}
.article-content p{margin:0 0 1.15em;max-width:44em}
.article-content strong{font-weight:700;color:var(--ink-900)}
.article-content a{color:var(--ink);border-bottom:1px solid var(--accent);font-weight:600}
.article-content a:hover{color:var(--accent)}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:2px}
.article-content li{position:relative;padding-left:22px;margin-bottom:10px}
.article-content ul>li::before{
  content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;background:var(--accent-soft);border:1px solid var(--accent);border-radius:2px;
}
.article-content ol{counter-reset:li}
.article-content ol>li{counter-increment:li;padding-left:34px}
.article-content ol>li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;font-size:14px;font-weight:800;color:var(--accent);
  line-height:1.9;
}
.article-content blockquote{
  margin:28px 0;padding:20px 24px;background:#F1F5F3;
  border-left:3px solid var(--accent);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--ink-600);font-size:17px;
}
.article-content blockquote p{margin-bottom:0}
.article-content img{border-radius:var(--radius-img);margin:24px 0 8px;width:100%;object-fit:cover}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-content code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:14.5px;background:#F1F5F3;padding:2px 7px;border-radius:6px;color:var(--ink);
}
.article-content pre{
  background:#0C3B33;color:#F6F3ED;border-radius:var(--radius-img);
  padding:20px 22px;overflow-x:auto;margin:24px 0;font-size:14.5px;line-height:1.7;
}
.article-content pre code{background:transparent;color:inherit;padding:0}
.article-content hr{border:0;height:1px;background:var(--line);margin:40px 0}
.article-content table{width:100%;margin:24px 0;font-size:15px}
.article-content th,.article-content td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-content th{color:var(--ink);font-weight:700;background:#F1F5F3}
/* 正文空态 */
.article-empty{
  text-align:center;padding:56px 28px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
}
.article-empty i{font-size:30px;color:var(--ink-600);margin-bottom:16px}
.article-empty h2{font-size:24px;margin-bottom:10px}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px}
/* ===================== 侧栏 ===================== */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;padding-left:12px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:.2em;width:3px;height:.85em;background:var(--accent);border-radius:2px}
.side-list li{border-bottom:1px dashed var(--line);padding:12px 0}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.side-list a:hover{color:var(--accent)}
.side-list span{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-top:4px}
.side-sticky{position:sticky;top:132px}
.side-note{font-size:13px;color:var(--muted);line-height:1.75}
.side-cta{background:var(--ink);border-color:var(--ink);color:#F6F3ED}
.side-cta h3{color:#fff}
.side-cta p{font-size:14px;color:rgba(246,243,237,.72);margin-bottom:16px}
.side-cta .btn{width:100%}
/* ===================== 相关推荐 ===================== */
.related{padding:72px 0;background:var(--paper)}
.related-row{margin:0 -12px}
.related-cell{padding:0 12px;margin-bottom:24px}
.related-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.related-card__thumb{aspect-ratio:4/3;width:100%;object-fit:cover;background:repeating-linear-gradient(135deg,#0C3B33 0 12px,#0A322B 12px 24px)}
.related-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-card__body h3{font-size:18px;line-height:1.4}
.related-card:hover h3{color:var(--ink-600)}
.related-card__body p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}
.related-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line)}
/* ===================== 返回入口 ===================== */
.back-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:26px 0 0;border-top:1px solid var(--line);margin-top:44px}
.back-row .link-arrow::after{content:"←"}
.back-row .link-arrow:hover::after{transform:translateX(-4px)}
/* ===================== 深色 CTA ===================== */
.cta-band{
  position:relative;background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:76px 0;text-align:center;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(8,36,31,.78)}
.cta-band__inner{position:relative;max-width:720px;margin:0 auto;padding:0 32px}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px}
.cta-band p{color:rgba(246,243,237,.78);font-size:16px;margin-bottom:28px}
/* ===================== 页脚 ===================== */
.site-footer{background:var(--ink-900);color:#F6F3ED;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.footer-brand__logo{display:flex;align-items:baseline;gap:8px;margin-bottom:16px}
.footer-brand__logo span:first-child{font-size:21px;font-weight:800;color:#fff}
.footer-brand__logo span:last-child{font-size:14px;font-weight:600;color:rgba(246,243,237,.66)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,243,237,.62);max-width:34em}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(246,243,237,.6);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact p{font-size:14px;color:rgba(246,243,237,.62);margin-bottom:8px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(246,243,237,.14);padding:20px 0 26px;font-size:13px;color:rgba(246,243,237,.55);
}
.footer-bottom a{color:rgba(246,243,237,.75);text-decoration:underline}
.footer-bottom a:hover{color:#fff}
/* ===================== 返回顶部 ===================== */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease),background-color .2s var(--ease);
  z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{background:var(--accent)}
/* ===================== 动效 ===================== */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.fade-up.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .fade-up{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
/* ===================== 响应式 ===================== */
@media (max-width:1024px){
  .container{padding:0 24px}
  h1{font-size:34px}
  .article-title{font-size:34px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .side-sticky{position:static}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-contact{grid-column:1 / -1}
  .hot-words{display:none}
}
@media (max-width:860px){
  .search-box{max-width:none}
  .header-help{display:none}
  .nav-toggle{display:inline-flex}
  .channel-bar{display:none}
  .brand-bar__inner{height:60px;gap:14px}
  .site-header.is-scrolled .brand-bar__inner{height:56px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  body{font-size:16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .section-head{margin-bottom:28px}
  h1{font-size:30px}
  h2{font-size:24px}
  .article-title{font-size:26px;line-height:1.3}
  .article-top{padding:32px 0 28px}
  .article-main{padding:40px 0 64px}
  .article-content{font-size:16.5px}
  .article-content h2{font-size:24px;margin:40px 0 14px}
  .article-content h3{font-size:19px}
  .article-figure__img{aspect-ratio:16/10}
  .search-box{height:42px}
  .brand__mark{font-size:19px}
  .brand__name{font-size:13px}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category1 */
:root{
  --ink:#0C3B33;
  --ink-900:#08241F;
  --ink-600:#14564A;
  --accent:#FF5A1F;
  --accent-soft:#FFE3D6;
  --paper:#F6F3ED;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#16201D;
  --muted:#6B7A75;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(12,59,51,.06);
  --shadow-2:0 12px 32px rgba(12,59,51,.12);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
::selection{background:var(--accent-soft);color:var(--ink);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.grid-container{max-width:var(--container);padding-left:32px;padding-right:32px;}
.grid-x>.cell{padding-left:0;padding-right:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--surface);
  box-shadow:0 1px 0 var(--line);
  transition:box-shadow .24s ease-out;
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(12,59,51,.14);}
.brand-bar__inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:64px;
  transition:min-height .24s ease-out;
}
.brand{display:flex;align-items:baseline;gap:6px;flex-shrink:0;}
.brand__mark{font-size:22px;font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.02em;}
.brand__name{font-size:15px;font-weight:700;color:var(--ink-600);line-height:1;transition:color .2s ease;}
.brand:hover .brand__name{color:var(--accent);}
.search-box{
  display:flex;
  align-items:center;
  gap:10px;
  width:262px;
  height:44px;
  padding:0 14px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .2s ease,background .2s ease,width .24s ease-out;
}
.search-box:focus-within{border-color:var(--accent);background:#fff;}
.search-box i{font-size:14px;color:var(--muted);}
.search-box input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--muted);}
.hot-words{display:flex;align-items:center;gap:8px;font-size:13px;}
.hot-words__label{color:var(--muted);font-weight:500;}
.hot-words a{
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--ink-600);
  font-weight:600;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.hot-words a:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--ink);}
.header-help{
  margin-left:auto;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  padding:6px 0;
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.header-help:hover{color:var(--accent);border-color:var(--accent);}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--ink);
  font-size:18px;
}
.channel-bar{background:var(--ink);}
.channel-bar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:48px;
  transition:min-height .24s ease-out;
}
.channel-list{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:block;
  padding:12px 0;
  font-size:15px;
  font-weight:600;
  color:rgba(246,243,237,.78);
  white-space:nowrap;
  position:relative;
  transition:color .2s ease;
}
.channel-list a:hover{color:#fff;}
.channel-list a.is-active{color:#fff;}
.channel-list a.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:5px;
  height:2px;
  background:var(--accent);
}
.channel-update{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(246,243,237,.7);
  white-space:nowrap;
}
.channel-update i{font-size:7px;color:var(--accent);}
.site-header.is-stuck .brand-bar__inner{min-height:56px;}
.site-header.is-stuck .channel-bar__inner{min-height:44px;}
.site-header.is-stuck .search-box{width:44px;padding:0;justify-content:center;}
.site-header.is-stuck .search-box input{display:none;}
.site-header.is-stuck .hot-words{display:none;}
.site-header.is-stuck .brand__mark{font-size:20px;}

/* ============ 页面顶部条 ============ */
.page-hero{
  position:relative;
  background:var(--ink-900) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:var(--paper);
  padding:76px 0 68px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(8,36,31,.9) 0%,rgba(8,36,31,.74) 52%,rgba(8,36,31,.58) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(246,243,237,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(246,243,237,.05) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.6;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,237,.66);margin-bottom:22px;}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{color:rgba(246,243,237,.36);}
.breadcrumb .current{color:var(--paper);font-weight:600;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,90,31,.16);
  border:1px solid rgba(255,90,31,.5);
  color:#FFD9C7;
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:42px;
  font-weight:800;
  line-height:1.2;
  color:#fff;
  max-width:19em;
  letter-spacing:-.02em;
}
.page-hero h1 .hl{
  color:#fff;
  box-shadow:inset 0 -10px 0 rgba(255,90,31,.55);
}
.hero-sub{
  max-width:38em;
  margin-top:20px;
  font-size:18px;
  line-height:1.75;
  color:rgba(246,243,237,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  border:2px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn i{font-size:13px;transition:transform .2s ease;}
.btn:hover i{transform:translateX(4px);}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.26);}
.btn--primary:hover{background:#F04E12;transform:translateY(-2px);color:#fff;}
.btn--ghost{background:transparent;border-color:rgba(246,243,237,.55);color:var(--paper);}
.btn--ghost:hover{background:var(--paper);border-color:var(--paper);color:var(--ink);transform:translateY(-2px);}
.btn--dark{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--dark:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  margin-top:28px;
  font-size:13px;
  color:rgba(246,243,237,.7);
}
.hero-meta span{display:flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--accent);font-size:12px;}

/* ============ 通用板块 ============ */
.section{padding:104px 0;}
.section--tight{padding:80px 0;}
.section--paper{background:var(--paper);}
.section--surface{background:var(--surface);}
.section-head{margin-bottom:48px;max-width:46em;}
.section-index{
  display:flex;
  align-items:center;
  gap:18px;
  margin-bottom:18px;
}
.section-index .num{
  font-family:Inter,system-ui,sans-serif;
  font-size:52px;
  font-weight:800;
  line-height:1;
  color:rgba(12,59,51,.13);
}
.section-index .rule{flex:1;height:1px;background:var(--line);}
.section-head h2{
  position:relative;
  font-size:32px;
  font-weight:700;
  line-height:1.25;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.16em;
  width:4px;height:.9em;
  background:var(--accent);
  border-radius:2px;
}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;max-width:44em;}

/* ============ 时间轴 ============ */
.timeline{position:relative;max-width:900px;}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;top:14px;bottom:14px;
  width:2px;
  background:var(--line);
}
.timeline__item{position:relative;padding-left:80px;padding-bottom:38px;}
.timeline__item:last-child{padding-bottom:0;}
.timeline__num{
  position:absolute;
  left:0;top:0;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--accent);
  color:#fff;
  font-family:Inter,system-ui,sans-serif;
  font-size:16px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 18px rgba(255,90,31,.28);
}
.timeline__body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 28px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.timeline__body:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
.timeline__body h3{font-size:20px;font-weight:700;line-height:1.35;margin-bottom:10px;}
.timeline__body p{font-size:15px;color:var(--muted);margin-bottom:0;}
.timeline__check{
  display:flex;
  align-items:flex-start;
  gap:8px;
  margin-top:14px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:14px;
  color:var(--ink-600);
  font-weight:600;
}
.timeline__check i{color:var(--accent);margin-top:5px;font-size:12px;}

/* ============ 要点卡 ============ */
.points-grid{margin-top:-16px;}
.point-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.point-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:#D6D0C2;}
.point-card__icon{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(12,59,51,.06);
  border:1px solid rgba(12,59,51,.16);
  color:var(--ink);
  font-size:18px;
  margin-bottom:18px;
}
.point-card h3{font-size:20px;font-weight:700;line-height:1.35;margin-bottom:10px;}
.point-card p{font-size:15px;color:var(--muted);line-height:1.75;}
.point-card__tag{
  display:inline-block;
  margin-top:16px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--ink-600);
  font-size:13px;
  font-weight:600;
}

/* ============ 图文说明 ============ */
.detail-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.detail-copy h2{
  position:relative;
  font-size:32px;
  font-weight:700;
  line-height:1.25;
  padding-left:16px;
  margin-bottom:24px;
}
.detail-copy h2::before{
  content:"";
  position:absolute;left:0;top:.16em;width:4px;height:.9em;
  background:var(--accent);border-radius:2px;
}
.detail-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.detail-list li:last-child{border-bottom:0;}
.detail-list .dot{
  flex:0 0 auto;
  width:10px;height:10px;
  margin-top:11px;
  background:var(--accent);
  border-radius:2px;
}
.detail-list strong{display:block;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.detail-list span{font-size:15px;color:var(--muted);}
.detail-visual{position:relative;}
.detail-visual img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-1);
}
.detail-visual figcaption{
  margin-top:12px;
  font-size:13px;
  color:var(--muted);
}
.detail-stat{
  position:absolute;
  left:-22px;
  bottom:38px;
  background:var(--ink);
  color:var(--paper);
  border-radius:14px;
  padding:18px 22px;
  box-shadow:var(--shadow-2);
  min-width:190px;
}
.detail-stat b{
  display:block;
  font-family:Inter,system-ui,sans-serif;
  font-size:34px;
  font-weight:800;
  line-height:1.1;
  color:#fff;
}
.detail-stat small{font-size:13px;color:rgba(246,243,237,.72);}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s ease;
}
.faq-item__q:hover{color:var(--accent);}
.faq-item__q .mark{
  flex:0 0 auto;
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--ink);
  font-size:14px;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-item__q .mark{background:var(--accent);color:#fff;transform:rotate(180deg);}
.faq-item__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.is-open .faq-item__a{max-height:520px;}
.faq-item__a p{
  padding:0 44px 24px 4px;
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
}

/* ============ 相关入口 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.entry-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
.entry-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.entry-card__body{padding:22px 24px 26px;}
.entry-card__body span{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--ink-600);
  font-size:13px;
  font-weight:600;
  margin-bottom:14px;
}
.entry-card__body h3{font-size:20px;font-weight:700;line-height:1.35;margin-bottom:10px;transition:color .2s ease;}
.entry-card:hover .entry-card__body h3{color:var(--accent);}
.entry-card__body p{font-size:14px;color:var(--muted);}
.entry-card__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
}
.entry-card__link i{font-size:12px;transition:transform .2s ease;}
.entry-card:hover .entry-card__link i{transform:translateX(4px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:var(--paper);
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(246,243,237,.14);
}
.footer-brand__logo{display:flex;align-items:baseline;gap:6px;margin-bottom:18px;}
.footer-brand__logo span:first-child{font-size:22px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.footer-brand__logo span:last-child{font-size:15px;font-weight:700;color:rgba(246,243,237,.78);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,243,237,.66);max-width:34em;}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  font-size:14px;
  color:rgba(246,243,237,.6);
  transition:color .2s ease,transform .2s ease;
  display:inline-block;
}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(246,243,237,.6);margin-bottom:10px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(246,243,237,.56);
}
.footer-bottom a{color:rgba(246,243,237,.78);border-bottom:1px solid rgba(246,243,237,.3);}
.footer-bottom a:hover{color:#fff;}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:26px;
  bottom:26px;
  width:44px;height:44px;
  border:0;
  border-radius:50%;
  background:var(--ink);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s ease,transform .24s ease,background .2s ease;
  z-index:140;
}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--accent);transform:translateY(-3px);}

/* ============ 动效 ============ */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.22,.61,.36,1),transform .32s cubic-bezier(.22,.61,.36,1);}
.fade-up.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .fade-up{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container,.grid-container{padding-left:24px;padding-right:24px;}
  .section{padding:80px 0;}
  .section--tight{padding:64px 0;}
  .page-hero{padding:60px 0 54px;}
  .page-hero h1{font-size:34px;}
  .hero-sub{font-size:17px;}
  .detail-grid{grid-template-columns:1fr;gap:40px;}
  .detail-stat{left:auto;right:18px;bottom:18px;}
  .entry-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .hot-words{display:none;}
}
@media (max-width:768px){
  .search-box{width:180px;}
  .header-help{display:none;}
  .nav-toggle{display:flex;}
  .brand-bar__inner{min-height:60px;gap:12px;}
  .brand__mark{font-size:20px;}
  .brand__name{font-size:13px;}
  .channel-bar{
    position:fixed;
    left:0;right:0;top:60px;bottom:0;
    background:var(--ink-900);
    display:none;
    overflow-y:auto;
    padding:12px 0 96px;
  }
  body.nav-open .channel-bar{display:block;}
  .channel-bar__inner{display:block;min-height:auto;}
  .channel-list{display:block;overflow:visible;}
  .channel-list li{border-bottom:1px solid rgba(246,243,237,.1);}
  .channel-list a{font-size:18px;padding:18px 0;line-height:1.4;}
  .channel-list a.is-active::after{bottom:10px;}
  .channel-update{padding:20px 0;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:32px;}
  .section-index .num{font-size:38px;}
  .section-head h2{font-size:24px;}
  .detail-copy h2{font-size:24px;}
  .timeline__item{padding-left:66px;padding-bottom:28px;}
  .timeline::before{left:19px;}
  .timeline__num{width:40px;height:40px;font-size:14px;}
  .timeline__body{padding:20px 20px;}
  .timeline__body h3{font-size:18px;}
  .entry-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .faq-item__q{font-size:16px;padding:20px 0;}
  .faq-item__a p{padding-right:16px;}
}
@media (max-width:520px){
  .container,.grid-container{padding-left:18px;padding-right:18px;}
  .search-box{display:none;}
  .page-hero{padding:48px 0 44px;}
  .page-hero h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .btn{width:100%;}
  .hero-meta{gap:12px;flex-direction:column;}
  .section-index .num{font-size:32px;}
  .section-head h2{font-size:22px;}
  .detail-stat{position:static;margin-top:16px;min-width:0;}
  .to-top{right:16px;bottom:16px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --ink:#0C3B33;
  --ink-900:#08241F;
  --ink-600:#14564A;
  --accent:#FF5A1F;
  --accent-soft:#FFE3D6;
  --paper:#F6F3ED;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#16201D;
  --muted:#6B7A75;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(12,59,51,.06);
  --shadow-2:0 12px 32px rgba(12,59,51,.12);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;color:var(--ink-900);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn i{font-size:13px;transition:transform .2s var(--ease);}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,90,31,.24);}
.btn--primary:hover{background:#E64F16;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,90,31,.3);}
.btn--primary:active{transform:translateY(0);background:#D24713;}
.btn--ghost{border:2px solid var(--ink);color:var(--ink);background:transparent;}
.btn--ghost:hover{background:var(--ink);color:#F6F3ED;transform:translateY(-2px);}
.btn--ghost:active{background:var(--ink-900);transform:translateY(0);}
.btn--light{background:#F6F3ED;color:var(--ink-900);}
.btn--light:hover{background:#fff;transform:translateY(-2px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--ink);}
.link-arrow i{font-size:12px;transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  transition:box-shadow .24s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(8,36,31,.18);}
.brand-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.brand-bar__inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:64px;
  transition:height .24s var(--ease);
}
.brand{display:flex;align-items:baseline;gap:6px;flex-shrink:0;}
.brand__mark{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand__name{font-size:15px;font-weight:700;color:var(--ink-600);letter-spacing:0;}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  width:256px;
  height:40px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:0 12px;
  gap:8px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),width .24s var(--ease);
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:#9AA5A1;}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);}
.hot-words{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;}
.hot-words__label{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.06em;}
.hot-words a{
  font-size:13px;
  font-weight:600;
  color:var(--ink-600);
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.hot-words a:hover{background:var(--accent-soft);color:var(--ink);border-color:var(--accent-soft);}
.header-help{
  margin-left:auto;
  font-size:14px;
  font-weight:600;
  color:var(--ink-600);
  white-space:nowrap;
}
.header-help:hover{color:var(--accent);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-btn);
  color:var(--ink);
  font-size:18px;
  background:var(--surface);
  border:1px solid var(--line);
}
.nav-toggle:hover{background:var(--accent-soft);border-color:var(--accent-soft);}

.channel-bar{
  background:var(--ink);
  overflow:hidden;
  max-height:52px;
  transition:max-height .24s var(--ease),opacity .2s var(--ease);
}
.channel-bar__inner{display:flex;align-items:center;gap:24px;height:48px;}
.channel-list{display:flex;align-items:center;gap:26px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  font-size:14.5px;
  font-weight:600;
  color:rgba(246,243,237,.74);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel-list a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:8px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.channel-list a:hover{color:#fff;}
.channel-list a:hover::after{transform:scaleX(1);}
.channel-list a.is-active{color:#fff;}
.channel-list a.is-active::after{transform:scaleX(1);}
.channel-update{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;
  color:rgba(246,243,237,.7);
  white-space:nowrap;
}
.channel-update i{font-size:7px;color:var(--accent);}

.site-header.is-stuck .brand-bar{background:var(--ink-900);border-bottom-color:rgba(246,243,237,.12);}
.site-header.is-stuck .brand-bar__inner{height:56px;gap:18px;}
.site-header.is-stuck .brand__mark{color:#fff;font-size:18px;}
.site-header.is-stuck .brand__name{color:rgba(246,243,237,.78);font-size:13px;}
.site-header.is-stuck .search-box{width:180px;background:rgba(246,243,237,.1);border-color:rgba(246,243,237,.22);}
.site-header.is-stuck .search-box i{color:rgba(246,243,237,.6);}
.site-header.is-stuck .search-box input{color:#fff;}
.site-header.is-stuck .search-box input::placeholder{color:rgba(246,243,237,.55);}
.site-header.is-stuck .hot-words__label{color:var(--accent);}
.site-header.is-stuck .hot-words a{color:rgba(246,243,237,.8);border-color:rgba(246,243,237,.24);}
.site-header.is-stuck .hot-words a:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.site-header.is-stuck .header-help{color:rgba(246,243,237,.8);}
.site-header.is-stuck .header-help:hover{color:var(--accent);}
.site-header.is-stuck .nav-toggle{color:#fff;background:rgba(246,243,237,.1);border-color:rgba(246,243,237,.22);}
.site-header.is-stuck .channel-bar{max-height:0;opacity:0;}

.mobile-drawer{
  position:fixed;
  inset:0;
  background:var(--ink-900);
  z-index:120;
  display:flex;
  flex-direction:column;
  padding:24px 22px 28px;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.mobile-drawer__logo{font-size:19px;font-weight:800;color:#fff;}
.mobile-drawer__logo span{font-weight:600;font-size:14px;color:rgba(246,243,237,.72);}
.mobile-drawer__close{width:44px;height:44px;border-radius:50%;background:rgba(246,243,237,.12);color:#fff;font-size:18px;}
.mobile-drawer nav a{
  display:flex;
  align-items:center;
  height:56px;
  font-size:18px;
  font-weight:700;
  color:rgba(246,243,237,.86);
  border-bottom:1px solid rgba(246,243,237,.12);
}
.mobile-drawer nav a.is-active{color:var(--accent);}
.mobile-drawer .btn{margin-top:auto;width:100%;}
body.no-scroll{overflow:hidden;}

/* ---------- 页面顶部条 ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(100deg,rgba(8,36,31,.86),rgba(8,36,31,.62)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#F6F3ED;
  padding:72px 0 64px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(246,243,237,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(246,243,237,.05) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(246,243,237,.66);
  margin-bottom:20px;flex-wrap:wrap;
}
.breadcrumb a{color:rgba(246,243,237,.82);font-weight:600;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span.sep{color:rgba(246,243,237,.42);}
.breadcrumb span.current{color:#fff;font-weight:700;}
.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);
  background:rgba(255,90,31,.14);
  border:1px solid rgba(255,90,31,.34);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:42px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  color:#fff;
  max-width:20em;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  position:relative;
  color:#fff;
  background:linear-gradient(transparent 62%,rgba(255,90,31,.55) 62%);
  padding:0 2px;
}
.page-hero__desc{
  font-size:17px;
  line-height:1.85;
  color:rgba(246,243,237,.82);
  max-width:44em;
  margin-bottom:26px;
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px;}
.page-hero__actions .btn--ghost{border-color:rgba(246,243,237,.7);color:#F6F3ED;}
.page-hero__actions .btn--ghost:hover{background:#F6F3ED;color:var(--ink-900);border-color:#F6F3ED;}
.page-hero__meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13px;font-weight:500;
  color:rgba(246,243,237,.66);
}
.page-hero__meta i{color:var(--accent);margin-right:6px;}

/* ---------- 区块通用 ---------- */
.section{padding:96px 0;}
.section--tight{padding:76px 0;}
.section--white{background:var(--surface);}
.section-head{max-width:44em;margin-bottom:44px;}
.section-index{
  display:flex;align-items:center;gap:18px;
  margin-bottom:18px;
}
.section-index__num{
  font-family:Inter,system-ui,sans-serif;
  font-size:52px;
  font-weight:800;
  line-height:1;
  color:rgba(12,59,51,.14);
  letter-spacing:-.03em;
}
.section-index__line{flex:1;max-width:160px;height:1px;background:var(--line);}
.section-index__label{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--muted);}
.section-head h2{
  position:relative;
  font-size:32px;
  font-weight:700;
  line-height:1.28;
  padding-left:16px;
  margin-bottom:18px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.16em;
  width:4px;height:.9em;
  background:var(--accent);
  border-radius:2px;
}
.section-head p{font-size:16px;line-height:1.85;color:var(--muted);max-width:44em;}

/* ---------- 2×2 要点卡 ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.point-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 28px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  display:flex;
  flex-direction:column;
  gap:14px;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6D0C2;}
.point-card__top{display:flex;align-items:center;gap:14px;}
.point-card__icon{
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(20,86,74,.08);
  color:var(--ink);
  font-size:19px;
  border:1px solid rgba(20,86,74,.14);
  flex-shrink:0;
}
.point-card__no{
  margin-left:auto;
  font-family:Inter,system-ui,sans-serif;
  font-size:13px;
  font-weight:800;
  color:var(--accent);
  letter-spacing:.08em;
}
.point-card h3{font-size:20px;font-weight:700;line-height:1.35;}
.point-card p{font-size:15px;line-height:1.8;color:var(--muted);}
.point-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{
  font-size:12.5px;
  font-weight:700;
  color:var(--ink-600);
  background:var(--accent-soft);
  border-radius:999px;
  padding:4px 12px;
  white-space:nowrap;
}
.point-card--media{padding:0;overflow:hidden;border:0;background:var(--ink);color:#F6F3ED;}
.point-card--media img{
  width:100%;height:200px;object-fit:cover;
  opacity:.72;
}
.point-card--media .media-body{padding:24px 28px 28px;}
.point-card--media h3{color:#fff;font-size:20px;margin-bottom:10px;}
.point-card--media p{color:rgba(246,243,237,.78);font-size:15px;}
.point-card--media:hover{transform:translateY(-4px);}

/* ---------- 对照列表 ---------- */
.compare{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.compare-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 28px;
  box-shadow:var(--shadow-1);
}
.compare-panel--accent{background:#F1F5F3;border-color:#DCE6E1;}
.compare-panel__head{
  display:flex;align-items:center;gap:12px;
  padding-bottom:18px;
  margin-bottom:20px;
  border-bottom:1px dashed #D6D0C2;
}
.compare-panel__head i{
  width:38px;height:38px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  background:var(--ink);
  color:#F6F3ED;
  flex-shrink:0;
}
.compare-panel--accent .compare-panel__head i{background:var(--accent);}
.compare-panel__head h3{font-size:19px;font-weight:700;}
.compare-list li{
  position:relative;
  padding:0 0 16px 26px;
  font-size:15px;
  line-height:1.8;
  color:var(--text);
}
.compare-list li:last-child{padding-bottom:0;}
.compare-list li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:8px;height:8px;
  background:var(--accent);
  border-radius:2px;
}
.compare-list li strong{color:var(--ink-900);font-weight:700;}
.compare-note{
  margin-top:22px;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.7;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 0;
  font-size:17.5px;
  font-weight:600;
  color:var(--ink-900);
  cursor:pointer;
  list-style:none;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-item summary .faq-sign{
  margin-left:auto;
  width:26px;height:26px;
  flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--ink);
  font-size:12px;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item[open] summary .faq-sign{transform:rotate(180deg);background:var(--accent);border-color:var(--accent);color:#fff;}
.faq-body{
  padding:0 0 24px;
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
  max-width:760px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  background-image:linear-gradient(100deg,rgba(8,36,31,.9),rgba(12,59,51,.78)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  color:#F6F3ED;
  padding:72px 0;
  text-align:center;
}
.cta-band h2{
  color:#fff;
  font-size:32px;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.cta-band p{
  max-width:600px;
  margin:0 auto 28px;
  font-size:16px;
  color:rgba(246,243,237,.8);
}

/* ---------- 相关入口 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.entry-card__img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink);}
.entry-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.entry-card:hover .entry-card__img img{transform:scale(1.04);}
.entry-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-card h3{font-size:18px;font-weight:700;line-height:1.4;}
.entry-card p{font-size:14px;line-height:1.75;color:var(--muted);}
.entry-card .link-arrow{margin-top:auto;padding-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(246,243,237,.72);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand__logo{display:flex;flex-direction:column;line-height:1.3;margin-bottom:16px;}
.footer-brand__logo span:first-child{font-size:20px;font-weight:800;color:#fff;}
.footer-brand__logo span:last-child{font-size:14px;font-weight:600;color:rgba(246,243,237,.66);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,243,237,.62);max-width:32em;}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{
  font-size:14px;
  color:rgba(246,243,237,.6);
  display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(246,243,237,.62);margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid rgba(246,243,237,.14);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(246,243,237,.5);
}
.footer-bottom a{color:rgba(246,243,237,.72);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:28px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--ink);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  box-shadow:0 8px 22px rgba(8,36,31,.28);
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background .2s var(--ease);
  z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--accent);}

/* ---------- 滚动动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .hot-words{display:none;}
  .search-box{width:200px;}
  .page-hero h1{font-size:36px;}
  .section{padding:76px 0;}
  .section--tight{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .entry-grid{grid-template-columns:1fr 1fr;}
  .entry-grid .entry-card:last-child{grid-column:span 2;}
}
@media (max-width:767px){
  .channel-bar{max-height:52px;}
  .channel-bar__inner{gap:12px;}
  .channel-update{display:none;}
  .nav-toggle{display:flex;}
  .search-box{display:none;}
  .hot-words{display:none;}
  .brand__mark{font-size:19px;}
  .brand__name{font-size:13px;}
  .page-hero{padding:52px 0 48px;}
  .page-hero h1{font-size:30px;}
  .page-hero__desc{font-size:15.5px;}
  .section{padding:56px 0;}
  .section--tight{padding:52px 0;}
  .section-index__num{font-size:40px;}
  .section-head h2{font-size:23px;padding-left:14px;}
  .section-head{margin-bottom:32px;}
  .point-grid{grid-template-columns:1fr;gap:18px;}
  .compare{grid-template-columns:1fr;gap:18px;}
  .cta-band{padding:56px 0;}
  .cta-band h2{font-size:23px;}
  .entry-grid{grid-template-columns:1fr;}
  .entry-grid .entry-card:last-child{grid-column:span 1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .page-hero h1{font-size:26px;}
  .page-hero__actions{flex-direction:column;align-items:stretch;}
  .page-hero__actions .btn{width:100%;}
  .point-card{padding:24px 20px;}
  .compare-panel{padding:24px 20px;}
  .faq-item summary{font-size:16px;}
  .brand-bar__inner{height:60px;gap:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#0C3B33;
  --ink-900:#08241F;
  --ink-600:#14564A;
  --accent:#FF5A1F;
  --accent-soft:#FFE3D6;
  --paper:#F6F3ED;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#16201D;
  --muted:#6B7A75;
  --radius-card:16px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(12,59,51,.06);
  --shadow-2:0 12px 32px rgba(12,59,51,.12);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none;}
a{color:var(--ink-600);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
h1{font-size:40px;font-weight:800;line-height:1.2;letter-spacing:-.02em;}
h2{font-size:32px;}
h3{font-size:21px;line-height:1.35;}
h4{font-size:18px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:background-color .24s ease,box-shadow .24s ease;
}
.site-header.is-stuck{
  display:flex;
  align-items:stretch;
  background:var(--ink-900);
  border-bottom-color:transparent;
  box-shadow:0 8px 26px rgba(8,36,31,.22);
}
.brand-bar{background:var(--paper);transition:background-color .24s ease;}
.is-stuck .brand-bar{background:transparent;flex:0 0 auto;}
.brand-bar__inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:64px;
  transition:height .24s ease,padding .24s ease;
}
.brand{display:flex;align-items:baseline;gap:6px;flex:0 0 auto;}
.brand__mark{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1;}
.brand__name{font-size:17px;font-weight:700;color:var(--ink-600);line-height:1;}
.brand:hover .brand__mark{color:var(--accent);}
.is-stuck .brand__mark{font-size:18px;color:#F6F3ED;}
.is-stuck .brand__name{font-size:15px;color:rgba(246,243,237,.82);}

.search-box{
  display:flex;
  align-items:center;
  gap:10px;
  width:260px;
  height:42px;
  padding:0 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .2s ease,width .24s ease,padding .24s ease;
}
.search-box i{color:var(--muted);font-size:14px;}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:14px;
  outline:none;
}
.search-box input::placeholder{color:var(--muted);}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,90,31,.12);}
.is-stuck .search-box{width:44px;padding:0;justify-content:center;background:rgba(246,243,237,.08);border-color:rgba(246,243,237,.18);}
.is-stuck .search-box input{display:none;}
.is-stuck .search-box i{color:#F6F3ED;}

.hot-words{display:flex;align-items:center;gap:8px;margin-left:auto;}
.hot-words__label{font-size:13px;font-weight:600;color:var(--muted);}
.hot-words a{
  font-size:13px;
  font-weight:500;
  color:var(--ink-600);
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.hot-words a:hover{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--ink);}
.header-help{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  white-space:nowrap;
}
.header-help:hover{color:var(--accent);}
.is-stuck .hot-words,.is-stuck .header-help{display:none;}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--ink);
  font-size:17px;
}
.mobile-search{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--ink);
  font-size:16px;
}

.channel-bar{
  background:var(--surface);
  border-top:1px solid var(--line);
  transition:background-color .24s ease,border-color .24s ease;
}
.is-stuck .channel-bar{
  background:transparent;
  border-top:0;
  flex:1 1 auto;
  min-width:0;
}
.channel-bar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:48px;
  transition:height .24s ease,padding .24s ease;
}
.is-stuck .channel-bar__inner{height:56px;padding-right:32px;justify-content:flex-end;}
.channel-list{
  display:flex;
  align-items:center;
  gap:26px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:inline-block;
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--ink-600);
  white-space:nowrap;
  line-height:48px;
  transition:color .2s ease;
}
.is-stuck .channel-list a{line-height:56px;color:rgba(246,243,237,.82);}
.channel-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:8px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.is-stuck .channel-list a::after{bottom:14px;}
.channel-list a:hover{color:var(--accent);}
.channel-list a:hover::after,
.channel-list a.is-active::after{transform:scaleX(1);}
.channel-list a.is-active{color:var(--ink);}
.is-stuck .channel-list a.is-active{color:#FFFFFF;}
.channel-update{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
}
.channel-update i{font-size:8px;color:var(--accent);}
.is-stuck .channel-update{display:none;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:var(--ink-900);
  padding:20px;
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform .28s cubic-bezier(.22,.61,.36,1);
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible;}
.mobile-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid rgba(246,243,237,.16);
}
.mobile-drawer__head .brand__mark{color:#F6F3ED;font-size:19px;font-weight:800;}
.mobile-drawer__head .brand__name{color:rgba(246,243,237,.75);font-size:15px;font-weight:700;margin-left:6px;}
.drawer-close{
  width:44px;height:44px;
  border:1px solid rgba(246,243,237,.24);
  background:transparent;
  color:#F6F3ED;
  border-radius:var(--radius-btn);
  font-size:18px;
}
.mobile-drawer__nav{display:flex;flex-direction:column;padding:16px 0;flex:1 1 auto;overflow-y:auto;}
.mobile-drawer__nav a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:18px;
  font-weight:600;
  color:rgba(246,243,237,.86);
  border-bottom:1px solid rgba(246,243,237,.1);
}
.mobile-drawer__nav a.is-active{color:var(--accent);}
.mobile-drawer__foot{padding-top:16px;}
.mobile-drawer__foot .btn{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border:2px solid transparent;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:600;
  line-height:1;
  text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--accent);color:#FFFFFF;box-shadow:0 6px 18px rgba(255,90,31,.24);}
.btn--primary:hover{background:#e9501a;color:#FFFFFF;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,31,.28);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:#F6F3ED;}
.btn--ghost-light{background:transparent;border-color:rgba(246,243,237,.6);color:#F6F3ED;}
.btn--ghost-light:hover{background:#F6F3ED;color:var(--ink);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
}
.link-arrow i{transition:transform .2s ease;font-size:12px;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部大图条 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
}
.page-hero__bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.62;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 90% at 12% 20%,rgba(255,90,31,.16),transparent 55%),
    linear-gradient(90deg,rgba(8,36,31,.92) 0%,rgba(8,36,31,.72) 55%,rgba(8,36,31,.55) 100%);
}
.page-hero__inner{
  position:relative;
  z-index:2;
  padding:72px 32px 64px;
  max-width:1240px;
  margin:0 auto;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(246,243,237,.65);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(246,243,237,.72);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span.current{color:#F6F3ED;}
.page-hero h1{
  color:#F6F3ED;
  max-width:16em;
  font-size:42px;
  line-height:1.2;
}
.page-hero__desc{
  max-width:44em;
  margin:20px 0 28px;
  font-size:18px;
  color:rgba(246,243,237,.82);
  line-height:1.75;
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:16px;}
.page-hero__meta{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  font-size:13px;
  color:rgba(246,243,237,.62);
}
.page-hero__meta span{display:inline-flex;align-items:center;gap:7px;}
.page-hero__meta i{color:var(--accent);font-size:11px;}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--paper{background:var(--paper);}
.section--white{background:var(--surface);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:22px;
  margin-bottom:40px;
  border-bottom:1px solid var(--line);
}
.section-head__main{display:flex;align-items:center;gap:18px;}
.section-num{
  font-family:var(--font-num);
  font-size:52px;
  font-weight:800;
  line-height:.85;
  color:rgba(12,59,51,.14);
  letter-spacing:-.04em;
}
.section-head h2{font-size:32px;}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--muted);}
.section-head .link-arrow{white-space:nowrap;padding-bottom:6px;}

/* ---------- 说明区 ---------- */
.intro-text p{color:var(--muted);font-size:16px;}
.check-list{margin-top:24px;border-top:1px solid var(--line);}
.check-list li{
  display:flex;
  gap:16px;
  padding:16px 0;
  border-bottom:1px dashed var(--line);
}
.check-list .num{
  flex:0 0 auto;
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--ink);
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
}
.check-list b{display:block;font-size:17px;font-weight:700;color:var(--ink-900);}
.check-list span.desc{display:block;font-size:14px;color:var(--muted);line-height:1.7;}

.media-card{
  margin:0;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  background:var(--surface);
  border:1px solid var(--line);
}
.media-card img{width:100%;height:300px;object-fit:cover;}
.media-card figcaption{
  padding:14px 18px;
  font-size:13px;
  color:var(--muted);
  border-top:1px solid var(--line);
}

/* ---------- 横向滚动卡片条 ---------- */
.scroll-strip{position:relative;}
.scroll-strip__track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:6px max(20px,calc((100vw - 1240px)/2 + 32px)) 24px;
}
.scroll-strip__track::-webkit-scrollbar{display:none;}
.mini-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.35);}
.mini-card__icon{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(20,86,74,.08);
  color:var(--ink);
  font-size:18px;
  margin-bottom:16px;
}
.mini-card h3{font-size:19px;margin-bottom:10px;}
.mini-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.mini-card .tag{font-size:13px;}
.scroll-hint{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  padding:0 32px;
  max-width:1240px;
  margin:0 auto;
}
.scroll-hint i{color:var(--accent);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
}
.tag--plain{
  background:rgba(20,86,74,.08);
  color:var(--ink-600);
}

/* ---------- 静态条目列表 ---------- */
.entry-list{display:flex;flex-direction:column;gap:20px;}
.entry{
  display:flex;
  gap:24px;
  align-items:stretch;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(12,59,51,.16);}
.entry__thumb{
  flex:0 0 220px;
  border-radius:12px;
  overflow:hidden;
  background:linear-gradient(135deg,#0C3B33,#14564A);
}
.entry__thumb img{width:100%;height:100%;min-height:150px;object-fit:cover;transition:transform .35s ease;}
.entry:hover .entry__thumb img{transform:scale(1.03);}
.entry__body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.entry__body h3{margin:12px 0 10px;font-size:21px;}
.entry__body p{color:var(--muted);font-size:15px;line-height:1.75;margin-bottom:16px;}
.entry__foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;}
.faq{margin:0;border-top:1px solid var(--line);}
.faq li{list-style:none;}
.faq .accordion-item{border-bottom:1px solid var(--line);}
.faq .accordion-title{
  position:relative;
  display:block;
  padding:22px 52px 22px 0;
  font-size:17.5px;
  font-weight:600;
  color:var(--ink-900);
  line-height:1.55;
  background:transparent;
  border:0;
  transition:color .2s ease;
}
.faq .accordion-title:hover{color:var(--accent);}
.faq .accordion-title::before{
  content:"+";
  position:absolute;
  right:8px;
  top:50%;
  transform:translateY(-50%);
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  color:var(--accent);
  transition:transform .2s ease;
}
.faq .accordion-item.is-active .accordion-title::before{content:"–";}
.faq .accordion-content{
  padding:0 52px 24px 0;
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}

/* ---------- 相关入口 ---------- */
.entry-links{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.link-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.4);}
.link-card b{font-size:17px;font-weight:700;color:var(--ink-900);}
.link-card span{font-size:14px;color:var(--muted);line-height:1.7;}
.link-card i{color:var(--accent);font-size:13px;margin-top:4px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  text-align:center;
}
.cta-band__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.34;
}
.cta-band__inner{
  position:relative;
  z-index:2;
  max-width:720px;
  margin:0 auto;
  padding:76px 32px;
}
.cta-band h2{color:#F6F3ED;font-size:32px;}
.cta-band p{color:rgba(246,243,237,.78);font-size:16px;margin:16px 0 28px;}
.cta-band .btn--primary{min-width:200px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(246,243,237,.66);padding:64px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand__logo{
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:16px;
}
.footer-brand__logo span:first-child{font-size:20px;font-weight:800;color:#F6F3ED;}
.footer-brand__logo span:last-child{font-size:15px;font-weight:700;color:rgba(246,243,237,.7);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,243,237,.6);max-width:34em;margin:0;}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:#F6F3ED;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(246,243,237,.6);
  transition:color .2s ease,transform .2s ease;
  display:inline-block;
}
.footer-col a:hover{color:#FFFFFF;transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(246,243,237,.6);margin-bottom:10px;line-height:1.7;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:20px 0 26px;
  border-top:1px solid rgba(246,243,237,.14);
  font-size:13px;
  color:rgba(246,243,237,.55);
}
.footer-bottom a{color:rgba(246,243,237,.7);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:20px;
  bottom:24px;
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:0;
  border-radius:50%;
  background:var(--ink);
  color:#F6F3ED;
  font-size:16px;
  box-shadow:var(--shadow-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
  z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--accent);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.22,.61,.36,1),transform .32s cubic-bezier(.22,.61,.36,1);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .container{padding:0 24px;}
  .page-hero__inner,.cta-band__inner{padding-left:24px;padding-right:24px;}
  .search-box,.hot-words,.header-help{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .mobile-search{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .brand-bar__inner{gap:12px;}
  .channel-bar{display:none;}
  .site-header.is-stuck{display:block;}
  .is-stuck .channel-bar{display:none;}
  .is-stuck .brand-bar__inner{height:56px;}
  .is-stuck .mobile-search{border-color:rgba(246,243,237,.24);background:transparent;color:#F6F3ED;}
  .is-stuck .nav-toggle{border-color:rgba(246,243,237,.24);background:transparent;color:#F6F3ED;}
  .section{padding:76px 0;}
  .section--tight{padding:60px 0;}
  h1,.page-hero h1{font-size:34px;}
  .section-head h2,h2,.cta-band h2{font-size:26px;}
  .entry-links{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media screen and (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .page-hero__inner{padding:48px 20px 44px;}
  h1,.page-hero h1{font-size:28px;}
  .page-hero__desc{font-size:16px;}
  .section{padding:60px 0;}
  .section--tight{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-head h2,h2,.cta-band h2{font-size:23px;}
  .section-num{font-size:40px;}
  .entry{flex-direction:column;gap:16px;padding:16px;}
  .entry__thumb{flex:0 0 auto;height:180px;}
  .entry__thumb img{min-height:0;height:180px;}
  .entry__foot{flex-direction:column;align-items:flex-start;gap:8px;}
  .media-card img{height:220px;}
  .entry-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mini-card{flex:0 0 260px;padding:22px 20px;}
  .scroll-strip__track{padding:6px 20px 20px;}
  .scroll-hint{padding:0 20px;}
  .cta-band__inner{padding:56px 20px;}
  .faq .accordion-title{padding-right:42px;font-size:16.5px;}
  .faq .accordion-content{padding-right:20px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}