/* roulang page: index */
:root{
  --c-primary:#E4572E;
  --c-primary-d:#B93F1D;
  --c-primary-soft:#FDEDE7;
  --c-accent:#2F6F6B;
  --c-accent-soft:#E7F2F0;
  --c-bg:#FAF8F5;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3EFE9;
  --c-text:#1F1D1A;
  --c-text-2:#5C5751;
  --c-text-3:#8A837B;
  --c-line:#E6E0D8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(31,29,26,.04),0 8px 24px rgba(31,29,26,.06);
  --sh-2:0 2px 4px rgba(31,29,26,.05),0 16px 36px rgba(31,29,26,.10);
  --nav-w:248px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;color:var(--c-text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:3px solid rgba(228,87,46,.35);outline-offset:2px;border-radius:6px;}
.btn-primary{--bs-btn-bg:var(--c-primary);--bs-btn-border-color:var(--c-primary);--bs-btn-hover-bg:var(--c-primary-d);--bs-btn-hover-border-color:var(--c-primary-d);--bs-btn-active-bg:var(--c-primary-d);--bs-btn-active-border-color:var(--c-primary-d);--bs-btn-color:#fff;--bs-btn-hover-color:#fff;--bs-btn-focus-shadow-rgb:228,87,46;}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}

/* ===== 布局骨架 ===== */
.site-shell{display:flex;min-height:100vh;align-items:flex-start;}
.side-nav{width:var(--nav-w);flex:0 0 var(--nav-w);position:sticky;top:0;height:100vh;background:var(--c-surface);border-right:1px solid var(--c-line);display:flex;flex-direction:column;gap:22px;padding:22px 16px 20px;overflow-y:auto;z-index:30;}
.site-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;min-height:100vh;}
.main{flex:1 1 auto;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

/* ===== 侧边品牌 ===== */
.brand{display:flex;align-items:center;gap:10px;padding:2px 6px 16px;border-bottom:1px dashed var(--c-line);}
.brand__mark{width:42px;height:42px;flex:0 0 42px;border-radius:13px;background:linear-gradient(135deg,#F07A4E,#B93F1D);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.02em;box-shadow:0 8px 18px rgba(228,87,46,.28);}
.brand__text{display:flex;flex-direction:column;line-height:1.35;min-width:0;}
.brand__name{font-size:14px;font-weight:800;color:var(--c-text);letter-spacing:-.01em;}
.brand__sub{font-size:11px;color:var(--c-text-3);letter-spacing:.04em;margin-top:2px;}

/* ===== 侧边导航 ===== */
.nav-group__label{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--c-text-3);padding:0 10px;margin-bottom:8px;}
.nav-list{list-style:none;display:flex;flex-direction:column;gap:4px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;font-weight:600;color:var(--c-text-2);position:relative;transition:background .18s,color .18s;}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--c-text-3);transition:color .18s;}
.nav-item:hover{background:var(--c-surface-2);color:var(--c-text);}
.nav-item:hover i{color:var(--c-primary);}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary-d);}
.nav-item.is-active i{color:var(--c-primary);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--c-primary);}
.nav-item__count{margin-left:auto;font-size:11px;font-weight:700;padding:1px 8px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);}
.side-tip{margin-top:auto;background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:14px;padding:14px;font-size:12.5px;line-height:1.7;color:var(--c-text-2);}
.side-tip strong{display:block;font-size:13px;color:var(--c-text);margin-bottom:5px;}

/* ===== 移动端顶栏 ===== */
.mobile-top{display:none;}
.nav-backdrop{display:none;}

/* ===== 通用组件 ===== */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--c-primary-d);background:var(--c-primary-soft);padding:5px 14px;border-radius:var(--r-pill);}
.eyebrow--accent{color:var(--c-accent);background:var(--c-accent-soft);}
.section{padding:72px 0;}
.section--alt{background:var(--c-surface-2);}
.section--dark{background:#221F1C;}
.section__head{max-width:760px;margin-bottom:36px;}
.sec-title{font-size:32px;line-height:1.35;margin:14px 0 12px;}
.sec-desc{font-size:16px;line-height:1.9;color:var(--c-text-2);margin:0;}
.badge-tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);}
.badge-tag--hot{background:var(--c-primary-soft);color:var(--c-primary-d);}
.btn-main,.btn-ghost,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-md);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.24);}
.btn-main:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,87,46,.30);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-d);}
.btn-soft{background:var(--c-surface-2);border:1px solid var(--c-line);color:var(--c-text);}
.btn-soft:hover{background:#fff;color:var(--c-primary-d);border-color:#F3C4B4;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--c-primary);border-bottom:2px solid transparent;transition:.2s;}
.link-more:hover{border-bottom-color:var(--c-primary);color:var(--c-primary-d);}
.text-muted-2{color:var(--c-text-2);}

/* ===== Hero ===== */
.hero{position:relative;padding:56px 0 60px;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(1100px 420px at 82% -12%,rgba(228,87,46,.12),transparent 68%),radial-gradient(700px 320px at 4% 8%,rgba(47,111,107,.08),transparent 70%);pointer-events:none;}
.hero > .wrap{position:relative;z-index:1;}
.hero-title{font-size:46px;line-height:1.2;margin:18px 0 20px;letter-spacing:-.02em;}
.hero-pain{display:flex;gap:10px;font-size:15.5px;font-weight:600;color:var(--c-primary-d);background:var(--c-primary-soft);border-left:3px solid var(--c-primary);border-radius:0 10px 10px 0;padding:12px 18px;margin:0 0 20px;line-height:1.75;}
.hero-pain i{margin-top:3px;color:var(--c-primary);}
.hero-desc{font-size:16px;line-height:1.9;color:var(--c-text-2);max-width:640px;margin:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:5px 13px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);}
.pill i{color:var(--c-accent);font-size:11px;}
.lead-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden;}
.lead-card__media{position:relative;height:132px;background:var(--c-surface-2);}
.lead-card__media img{width:100%;height:100%;object-fit:cover;}
.lead-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(31,29,26,.06),rgba(31,29,26,.62));}
.lead-card__flag{position:absolute;left:18px;bottom:14px;z-index:2;font-size:12px;font-weight:700;color:var(--c-primary-d);background:rgba(255,255,255,.94);padding:5px 12px;border-radius:var(--r-pill);}
.lead-card__body{padding:22px 22px 24px;}
.lead-card__title{font-size:17px;font-weight:800;margin:0 0 4px;}
.lead-card__hint{font-size:13px;color:var(--c-text-3);margin:0 0 16px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-text-2);margin-bottom:6px;}
.field .form-control,.field .form-select{height:48px;border-radius:var(--r-md);border:1px solid var(--c-line);background:#fff;font-size:14.5px;color:var(--c-text);padding:0 14px;box-shadow:none;transition:border-color .18s,box-shadow .18s;}
.field .form-control:focus,.field .form-select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(228,87,46,.16);}
.field textarea.form-control{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-tip{font-size:12.5px;color:var(--c-text-3);margin:10px 0 0;line-height:1.7;}
.form-tip.is-ok{color:var(--c-accent);font-weight:600;}

/* ===== 数据看板 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-card{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:20px 20px 18px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#F3C4B4;}
.stat-card__badge{position:absolute;top:16px;right:16px;font-size:11px;font-weight:700;padding:2px 9px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);}
.stat-card__num{font-size:32px;font-weight:800;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.stat-card__num small{font-size:14px;font-weight:700;color:var(--c-text-3);margin-left:2px;}
.stat-card__label{font-size:13px;color:var(--c-text-2);margin-top:6px;}
.stat-card__line{height:2px;width:36px;border-radius:2px;background:var(--c-primary);margin-top:14px;}
.stat-card__trend{font-size:12px;font-weight:600;color:var(--c-accent);margin-top:10px;}
.stat-card__trend i{margin-right:4px;}

/* ===== 安全主张 ===== */
.safe-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.safe-item{display:flex;gap:14px;background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:20px;transition:transform .2s ease,box-shadow .2s ease;}
.safe-item:hover{transform:translateY(-2px);box-shadow:var(--sh-1);}
.safe-item__icon{flex:0 0 42px;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--c-accent-soft);color:var(--c-accent);font-size:17px;}
.safe-item h3{font-size:16.5px;margin:0 0 6px;}
.safe-item p{font-size:14px;color:var(--c-text-2);line-height:1.8;margin:0;}

/* ===== 检查项 ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.check-item{display:flex;gap:14px;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:18px 20px;}
.check-item__num{flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary-d);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;}
.check-item h3{font-size:15.5px;margin:0 0 4px;}
.check-item p{font-size:13.5px;color:var(--c-text-2);line-height:1.75;margin:0;}
.check-item:last-child{grid-column:1 / -1;}

/* ===== 服务矩阵 ===== */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.svc-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#F3C4B4;}
.svc-card__icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary);font-size:18px;}
.svc-card h3{font-size:19px;margin:2px 0 0;}
.svc-card p{font-size:14.5px;line-height:1.85;color:var(--c-text-2);margin:0;}
.svc-card .link-more{margin-top:auto;padding-top:6px;}
.svc-card--wide{grid-column:1 / -1;flex-direction:row;align-items:center;gap:22px;}
.svc-card--wide .svc-card__icon{flex:0 0 46px;}
.svc-card--wide p{max-width:760px;}
.svc-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}

/* ===== 结果对比 ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare__col{background:#fff;border:1px solid var(--c-line);border-radius:18px;padding:26px;position:relative;}
.compare__col--pro{border:2px solid var(--c-primary);background:linear-gradient(180deg,#FFF8F5,#FFFFFF 42%);}
.compare__col h3{font-size:19px;margin:0 0 4px;}
.compare__col .compare__sub{font-size:13px;color:var(--c-text-3);margin:0 0 16px;}
.compare__tag{position:absolute;top:-12px;right:20px;background:var(--c-primary);color:#fff;font-size:11.5px;font-weight:700;padding:3px 12px;border-radius:var(--r-pill);}
.compare__row{display:flex;gap:10px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;line-height:1.7;color:var(--c-text-2);}
.compare__row:last-child{border-bottom:0;padding-bottom:0;}
.compare__row i{margin-top:5px;font-size:13px;}
.i-no{color:#B0A79D;}
.i-yes{color:var(--c-accent);}

/* ===== 里程碑 ===== */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.timeline::before{content:"";position:absolute;left:6%;right:6%;top:7px;height:1px;background:var(--c-primary);opacity:.45;}
.tl-node{position:relative;padding-top:34px;}
.tl-node::before{content:"";position:absolute;top:0;left:0;width:15px;height:15px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(228,87,46,.14);}
.tl-node__stage{font-size:11.5px;font-weight:800;letter-spacing:.12em;color:var(--c-primary);}
.tl-node h3{font-size:16px;margin:6px 0 6px;}
.tl-node p{font-size:13.5px;line-height:1.75;color:var(--c-text-2);margin:0;}

/* ===== 边界说明 ===== */
.boundary{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.boundary__col{background:#fff;border:1px solid var(--c-line);border-radius:18px;padding:26px;}
.boundary__col h3{font-size:18px;margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.boundary__col h3 i{font-size:15px;}
.boundary__col--ok h3 i{color:var(--c-accent);}
.boundary__col--no h3 i{color:#B0A79D;}
.boundary__list{list-style:none;display:flex;flex-direction:column;gap:10px;}
.boundary__list li{display:flex;gap:10px;font-size:14.5px;line-height:1.75;color:var(--c-text-2);}
.boundary__list li i{margin-top:5px;font-size:12px;}
.boundary__col--ok .boundary__list i{color:var(--c-accent);}
.boundary__col--no .boundary__list i{color:#B0A79D;}

/* ===== 场景专区 ===== */
.scene-card{display:grid;grid-template-columns:1.2fr .8fr;background:#fff;border:1px solid var(--c-line);border-radius:18px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.scene-card__body{padding:26px;display:flex;flex-direction:column;gap:10px;}
.scene-card__body h3{font-size:19px;margin:0;}
.scene-card__body p{font-size:14.5px;line-height:1.85;color:var(--c-text-2);margin:0;}
.scene-card__body .btn-ghost{align-self:flex-start;margin-top:4px;}
.scene-card__media{position:relative;min-height:200px;background:var(--c-surface-2);}
.scene-card__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}

/* ===== 精选话题 ===== */
.topic-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.topic-tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:7px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);transition:.2s;}
.topic-tag:hover{background:var(--c-primary-soft);border-color:#F3C4B4;color:var(--c-primary-d);}
.topic-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.topic-card{background:#fff;border:1px solid var(--c-line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.topic-card__media{aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;}
.topic-card__media img{width:100%;height:100%;object-fit:cover;}
.topic-card__body{padding:22px;display:flex;flex-direction:column;gap:8px;}
.topic-card__body h3{font-size:18px;margin:0;}
.topic-card__body p{font-size:14px;line-height:1.8;color:var(--c-text-2);margin:0;}

/* ===== 资讯列表 ===== */
.news-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:24px;align-items:start;}
.news-main{display:flex;flex-direction:column;gap:16px;}
.news-item{display:grid;grid-template-columns:200px 1fr;gap:18px;background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:16px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#F3C4B4;}
.news-item__thumb{display:block;border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--c-surface-2);border:1px solid var(--c-line);}
.news-item__thumb img{width:100%;height:100%;object-fit:cover;}
.news-item__body{display:flex;flex-direction:column;min-width:0;}
.news-item__body h3{font-size:17px;line-height:1.5;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item__body h3 a{color:var(--c-text);}
.news-item__body h3 a:hover{color:var(--c-primary);}
.news-item__excerpt{font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item__meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;font-size:12.5px;color:var(--c-text-3);}
.news-item__more{margin-left:auto;font-size:13px;font-weight:700;color:var(--c-primary);}
.news-side{background:#fff;border:1px solid var(--c-line);border-radius:18px;padding:22px;}
.news-side__title{font-size:15px;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.news-side__title i{color:var(--c-primary);font-size:13px;}
.side-news{display:block;padding:12px 0;border-bottom:1px dashed var(--c-line);transition:.2s;}
.side-news:last-child{border-bottom:0;}
.side-news:hover .side-news__title{color:var(--c-primary);}
.side-news__title{display:block;font-size:14px;font-weight:600;line-height:1.6;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-news__meta{display:block;font-size:12px;color:var(--c-text-3);margin-top:5px;}
.side-empty{font-size:13.5px;color:var(--c-text-3);margin:0;}
.news-empty{background:#fff;border:1px dashed var(--c-line);border-radius:16px;padding:44px 24px;text-align:center;}
.news-empty i{font-size:28px;color:var(--c-text-3);}
.news-empty p{font-size:14.5px;color:var(--c-text-2);margin:12px 0 18px;}
.news-foot{margin-top:22px;}

/* ===== 用户声音 ===== */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.voice-card{background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:22px;transition:transform .2s ease,box-shadow .2s ease;}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.voice-card__quote{font-size:14.5px;line-height:1.85;color:var(--c-text-2);margin:0 0 18px;}
.voice-card__who{display:flex;align-items:center;gap:12px;}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-d);display:grid;place-items:center;font-size:15px;font-weight:800;flex:0 0 40px;}
.voice-card__name{font-size:14px;font-weight:700;}
.voice-card__role{font-size:12px;color:var(--c-text-3);}

/* ===== 快速解答 ===== */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.qa-card{background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:22px;transition:border-color .2s ease,box-shadow .2s ease;}
.qa-card:hover{border-color:#F3C4B4;box-shadow:var(--sh-1);}
.qa-card h3{font-size:16px;margin:0 0 8px;display:flex;gap:9px;align-items:flex-start;}
.qa-card h3 i{color:var(--c-primary);font-size:14px;margin-top:4px;}
.qa-card p{font-size:14px;line-height:1.85;color:var(--c-text-2);margin:0;}

/* ===== 转化表单 ===== */
.join-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:32px;align-items:start;}
.join-points{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.join-points li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--c-text-2);}
.join-points i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.join-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);}
.join-card h3{font-size:18px;margin:0 0 4px;}
.join-card .join-card__hint{font-size:13px;color:var(--c-text-3);margin:0 0 18px;}
.join-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}

/* ===== 页脚 ===== */
.site-footer{background:#221F1C;color:#E9E3DB;margin-top:0;padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand__mark{box-shadow:none;}
.footer-brand__name{font-size:15px;font-weight:800;color:#fff;line-height:1.4;}
.footer-about{font-size:13.5px;line-height:1.85;color:#A79E94;margin:0;max-width:320px;}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.02em;}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:9px;}
.footer-list a{font-size:13.5px;color:#B9B1A7;}
.footer-list a:hover{color:var(--c-primary);}
.footer-meta{font-size:13px;line-height:1.9;color:#A79E94;margin:0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0 22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#8C847A;}
.footer-bottom a{color:#8C847A;}
.footer-bottom a:hover{color:var(--c-primary);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero-title{font-size:40px;}
  .sec-title{font-size:28px;}
  .news-item{grid-template-columns:170px 1fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px;}
}
@media (max-width:991px){
  .site-shell{display:block;}
  .side-nav{position:fixed;top:0;left:0;bottom:0;width:282px;height:100vh;flex-basis:auto;transform:translateX(-102%);transition:transform .28s ease;box-shadow:0 24px 60px rgba(31,29,26,.22);}
  .side-nav.is-open{transform:translateX(0);}
  .mobile-top{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:40;padding:12px 20px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);}
  .mobile-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800;color:var(--c-text);}
  .mobile-brand .brand__mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:12px;box-shadow:none;}
  .mobile-toggle{width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-text);font-size:16px;display:grid;place-items:center;cursor:pointer;transition:.2s;}
  .mobile-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
  .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(31,29,26,.44);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:35;}
  .nav-backdrop.show{opacity:1;pointer-events:auto;}
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .hero{padding:40px 0 48px;}
  .hero-title{font-size:34px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .svc-grid{grid-template-columns:1fr;}
  .svc-card--wide{flex-direction:column;align-items:flex-start;}
  .timeline{grid-template-columns:1fr;gap:0;}
  .timeline::before{left:7px;right:auto;top:8px;bottom:8px;width:1px;height:auto;}
  .tl-node{padding:0 0 26px 34px;}
  .tl-node::before{top:3px;left:0;}
  .timeline::before{left:7px;}
  .compare,.safe-list,.check-grid,.boundary,.qa-grid,.topic-cards,.voice-grid,.join-wrap{grid-template-columns:1fr;}
  .news-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .scene-card{grid-template-columns:1fr;}
  .scene-card__media{min-height:190px;position:relative;aspect-ratio:16/9;}
}
@media (max-width:767px){
  .hero-title{font-size:29px;line-height:1.3;}
  .sec-title{font-size:24px;}
  .section{padding:44px 0;}
  .wrap{padding:0 16px;}
  .hero-desc,.sec-desc{font-size:15px;}
  .btn-main,.btn-ghost,.btn-soft{height:46px;padding:0 18px;font-size:14.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat-card{padding:16px;}
  .stat-card__num{font-size:26px;}
  .news-item{grid-template-columns:1fr;padding:14px;}
  .news-item__thumb{aspect-ratio:16/9;}
  .news-item__more{margin-left:0;}
  .join-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:30px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .check-item:last-child{grid-column:auto;}
  .voice-grid,.qa-grid{gap:14px;}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr;}
  .hero-pills .pill{font-size:12px;}
}

/* roulang page: article */
:root{
  --c-primary:#E4572E;
  --c-primary-d:#B93F1D;
  --c-primary-soft:#FDEDE7;
  --c-accent:#2F6F6B;
  --c-accent-soft:#E7F2F0;
  --c-bg:#FAF8F5;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3EFE9;
  --c-text:#1F1D1A;
  --c-text-2:#5C5751;
  --c-text-3:#8A837B;
  --c-line:#E6E0D8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(31,29,26,.04),0 8px 24px rgba(31,29,26,.06);
  --sh-2:0 2px 4px rgba(31,29,26,.05),0 16px 36px rgba(31,29,26,.10);
  --nav-w:248px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  display:flex;
  align-items:flex-start;
  min-height:100vh;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--c-primary-soft);color:var(--c-primary-d);}
:focus-visible{outline:3px solid rgba(228,87,46,.32);outline-offset:2px;border-radius:6px;}

/* ============ 布局骨架 ============ */
.side-nav{
  width:var(--nav-w);flex:0 0 var(--nav-w);position:sticky;top:0;height:100vh;
  background:var(--c-surface);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;gap:22px;padding:22px 16px 20px;overflow-y:auto;z-index:30;
}
.site-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;min-height:100vh;}
.main{flex:1 1 auto;}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 32px;}

/* ============ 侧边品牌与导航 ============ */
.brand{display:flex;align-items:center;gap:10px;padding:2px 6px 16px;border-bottom:1px dashed var(--c-line);}
.brand__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(135deg,#F07A4E,#B93F1D);color:#fff;display:grid;place-items:center;
  font-size:14px;font-weight:800;letter-spacing:.02em;box-shadow:0 8px 18px rgba(228,87,46,.28);
}
.brand__text{display:flex;flex-direction:column;line-height:1.35;min-width:0;}
.brand__name{font-size:14px;font-weight:800;color:var(--c-text);letter-spacing:-.01em;}
.brand__sub{font-size:11px;color:var(--c-text-3);letter-spacing:.04em;margin-top:2px;}
.nav-group__label{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--c-text-3);padding:0 10px;margin-bottom:8px;}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--c-text-2);position:relative;
  transition:background .18s,color .18s;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--c-text-3);transition:color .18s;}
.nav-item:hover{background:var(--c-surface-2);color:var(--c-text);}
.nav-item:hover i{color:var(--c-primary);}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary-d);}
.nav-item.is-active i{color:var(--c-primary);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--c-primary);}
.nav-item__count{margin-left:auto;font-size:11px;font-weight:700;padding:1px 8px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);}
.nav-tip{
  margin-top:auto;background:var(--c-accent-soft);border:1px solid #CFE4E1;border-radius:14px;
  padding:14px;font-size:12.5px;line-height:1.7;color:#265653;
}
.nav-tip strong{display:block;font-size:13px;margin-bottom:4px;color:#1E4844;}
.nav-tip i{color:var(--c-accent);margin-right:5px;}
/* ============ 移动端顶栏 ============ */
.mobile-top{display:none;}
.nav-backdrop{display:none;}

/* ============ 通用组件 ============ */
.badge-tag{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);
}
.badge-tag--hot{background:var(--c-primary-soft);color:var(--c-primary-d);}
.btn-main,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:var(--r-md);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.24);}
.btn-main:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,87,46,.30);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-d);}
.btn-soft{background:var(--c-surface-2);border:1px solid var(--c-line);color:var(--c-text);}
.btn-soft:hover{background:#fff;color:var(--c-primary-d);border-color:#F3C4B4;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}

/* ============ 文章页头 ============ */
.article-top{padding:34px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:22px;}
.crumb a{color:var(--c-text-2);font-weight:600;}
.crumb a:hover{color:var(--c-primary);}
.crumb i{font-size:10px;color:#C4BDB4;}
.art-head{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:30px 34px 26px;box-shadow:var(--sh-1);}
.art-head__tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.art-title{font-size:34px;line-height:1.34;color:var(--c-text);letter-spacing:-.02em;}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:22px;padding-top:18px;
  border-top:1px dashed var(--c-line);font-size:13.5px;color:var(--c-text-2);
}
.art-meta span{display:inline-flex;align-items:center;gap:6px;}
.art-meta i{color:var(--c-text-3);}
.art-share{margin-left:auto;display:flex;align-items:center;gap:8px;}
.art-share__btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface-2);
  color:var(--c-text-2);display:grid;place-items:center;font-size:13px;cursor:pointer;
  transition:all .18s ease;
}
.art-share__btn:hover{background:var(--c-primary-soft);border-color:#F3C4B4;color:var(--c-primary-d);transform:translateY(-1px);}
.art-share__btn.is-done{background:var(--c-accent-soft);border-color:#CFE4E1;color:var(--c-accent);}

/* ============ 正文区 ============ */
.article-main{padding:36px 0 64px;}
.article-shell{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:36px 42px 42px;box-shadow:var(--sh-1);}
.article-lead{
  font-size:16.5px;line-height:1.9;color:var(--c-text-2);background:var(--c-surface-2);
  border-radius:var(--r-md);padding:18px 20px;margin-bottom:30px;border-left:3px solid var(--c-accent);
}
.article-body{font-size:17px;line-height:1.9;color:var(--c-text);max-width:100%;word-break:break-word;}
.article-body p{margin:0 0 20px;}
.article-body h2{font-size:25px;margin:40px 0 16px;position:relative;padding-left:16px;color:var(--c-text);}
.article-body h2::before{content:"";position:absolute;left:0;top:.24em;width:4px;height:22px;border-radius:2px;background:var(--c-primary);}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--c-text);}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body ul{list-style:disc;margin:0 0 20px;padding-left:24px;}
.article-body ol{list-style:decimal;margin:0 0 20px;padding-left:24px;}
.article-body li{margin-bottom:8px;}
.article-body li::marker{color:var(--c-primary);}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--c-primary-soft);border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;color:var(--c-primary-d);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;border:1px solid var(--c-line);margin:6px 0 10px;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px;}
.article-body a{color:var(--c-primary-d);text-decoration:underline;text-underline-offset:3px;}
.article-body strong{font-weight:800;}
.article-body pre{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:12px;
  padding:16px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 20px;
}
.article-body code{background:var(--c-surface-2);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--c-primary-d);}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--c-surface-2);font-weight:700;}
.article-body hr{border:0;border-top:1px dashed var(--c-line);margin:32px 0;}
.article-empty{text-align:center;padding:40px 10px 20px;}
.article-empty i{font-size:38px;color:#D9D2C8;display:block;margin-bottom:16px;}
.article-empty h2{font-size:21px;margin-bottom:10px;}
.article-empty p{color:var(--c-text-2);font-size:15px;margin-bottom:22px;}

/* ============ 正文内提示卡 ============ */
.tip-card{
  margin-top:34px;background:var(--c-accent-soft);border:1px solid #CFE4E1;border-radius:var(--r-md);
  padding:22px 24px;display:flex;gap:16px;
}
.tip-card__icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:#fff;color:var(--c-accent);
  display:grid;place-items:center;font-size:17px;border:1px solid #CFE4E1;
}
.tip-card h3{font-size:16px;color:#1E4844;margin-bottom:8px;}
.tip-card p{font-size:14px;line-height:1.85;color:#3A6461;}
.tip-card ul{list-style:none;display:flex;flex-direction:column;gap:6px;margin-top:10px;}
.tip-card li{font-size:14px;color:#3A6461;display:flex;gap:8px;}
.tip-card li i{color:var(--c-accent);font-size:12px;margin-top:5px;}

/* ============ 相关推荐 ============ */
.related{background:var(--c-surface-2);padding:56px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.related__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.related__head h2{font-size:26px;}
.related__head p{font-size:14px;color:var(--c-text-2);margin-top:6px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:16px;overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#F3C4B4;}
.rel-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);border-bottom:1px solid var(--c-line);}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-card__media img{transform:scale(1.04);}
.rel-card__body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.rel-card__body h3{font-size:16px;line-height:1.55;}
.rel-card__body p{font-size:13.5px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-text-3);}
.rel-card__foot span{display:inline-flex;align-items:center;gap:5px;}

/* ============ 上下篇 ============ */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:44px 0 0;}
.pager__item{
  display:flex;flex-direction:column;gap:6px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pager__item:hover{transform:translateY(-2px);border-color:#F3C4B4;box-shadow:var(--sh-2);}
.pager__label{font-size:12.5px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.pager__title{font-size:15px;font-weight:700;color:var(--c-text);line-height:1.6;}
.pager__item--next{text-align:right;align-items:flex-end;}
.pager__item--next .pager__label{flex-direction:row-reverse;}

/* ============ 返回条 ============ */
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  margin-top:22px;padding:16px 22px;background:var(--c-surface-2);border:1px solid var(--c-line);
  border-radius:var(--r-md);font-size:14px;color:var(--c-text-2);
}
.back-bar__links{display:flex;flex-wrap:wrap;gap:18px;}
.back-bar__links a{font-weight:600;display:inline-flex;align-items:center;gap:6px;color:var(--c-text);}
.back-bar__links a:hover{color:var(--c-primary-d);}

/* ============ 转化小卡 ============ */
.cta-strip{
  margin-top:34px;background:#221F1C;border-radius:var(--r-lg);padding:30px 34px;
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,87,46,.30),transparent 68%);
}
.cta-strip__text{position:relative;z-index:1;max-width:560px;}
.cta-strip__text h3{font-size:21px;color:#fff;margin-bottom:8px;}
.cta-strip__text p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
.cta-strip__actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 页脚 ============ */
.site-footer{background:#221F1C;color:rgba(255,255,255,.72);padding:56px 0 22px;margin-top:auto;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand__name{font-size:14.5px;font-weight:800;color:#fff;line-height:1.5;}
.footer-about{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-list{display:flex;flex-direction:column;gap:9px;}
.footer-list a{font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-list a:hover{color:var(--c-primary);}
.footer-meta{font-size:13px;line-height:1.9;color:rgba(255,255,255,.55);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .wrap{padding:0 24px;}
  .art-title{font-size:30px;}
  .article-shell{padding:30px 32px 34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  body{display:block;}
  .mobile-top{
    display:flex;position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);
    padding:10px 18px;align-items:center;justify-content:space-between;
  }
  .mobile-brand{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:800;color:var(--c-text);}
  .mobile-brand .brand__mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:12px;box-shadow:none;}
  .mobile-toggle{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface-2);
    color:var(--c-text);font-size:16px;display:grid;place-items:center;cursor:pointer;
  }
  .mobile-toggle:active{background:var(--c-primary-soft);color:var(--c-primary-d);}
  .side-nav{
    position:fixed;top:0;left:0;bottom:0;width:284px;height:100%;flex:none;
    transform:translateX(-104%);transition:transform .28s ease;z-index:80;
    box-shadow:0 0 40px rgba(31,29,26,.20);
  }
  .side-nav.is-open{transform:translateX(0);}
  .nav-backdrop{
    display:block;position:fixed;inset:0;background:rgba(31,29,26,.45);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
  }
  .nav-backdrop.is-open{opacity:1;visibility:visible;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .cta-strip{padding:26px 24px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .article-top{padding:22px 0 0;}
  .art-head{padding:22px 20px 20px;border-radius:16px;}
  .art-title{font-size:23px;line-height:1.42;}
  .art-meta{gap:12px 16px;font-size:12.5px;margin-top:18px;padding-top:14px;}
  .art-share{margin-left:0;width:100%;}
  .article-main{padding:24px 0 46px;}
  .article-shell{padding:22px 18px 26px;border-radius:16px;}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:21px;margin:32px 0 14px;}
  .article-body h3{font-size:18px;}
  .article-body ul,.article-body ol{padding-left:20px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .tip-card{flex-direction:column;gap:12px;padding:18px;}
  .related{padding:40px 0;}
  .related__head h2{font-size:21px;}
  .rel-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;padding-top:30px;}
  .pager__item--next{text-align:left;align-items:flex-start;}
  .pager__item--next .pager__label{flex-direction:row;}
  .back-bar{flex-direction:column;align-items:flex-start;gap:10px;padding:16px 18px;}
  .cta-strip{padding:24px 20px;border-radius:16px;}
  .cta-strip__text h3{font-size:18px;}
  .cta-strip__actions .btn-main,.cta-strip__actions .btn-ghost{width:100%;}
  .site-footer{padding:40px 0 18px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-about{max-width:none;}
  .footer-bottom{flex-direction:column;gap:6px;margin-top:26px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E4572E;
  --c-primary-d:#B93F1D;
  --c-primary-soft:#FDEDE7;
  --c-accent:#2F6F6B;
  --c-accent-soft:#E7F2F0;
  --c-bg:#FAF8F5;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3EFE9;
  --c-text:#1F1D1A;
  --c-text-2:#5C5751;
  --c-text-3:#8A837B;
  --c-line:#E6E0D8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(31,29,26,.04),0 8px 24px rgba(31,29,26,.06);
  --sh-2:0 2px 4px rgba(31,29,26,.05),0 16px 36px rgba(31,29,26,.10);
  --nav-w:248px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(228,87,46,.35);outline-offset:2px;}
::selection{background:var(--c-primary-soft);color:var(--c-primary-d);}

/* ===== 布局骨架 ===== */
.page-shell{display:flex;align-items:stretch;min-height:100vh;}
.site-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;min-height:100vh;}
.main{flex:1 1 auto;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}

/* ===== 左侧竖向导航 ===== */
.side-nav{width:var(--nav-w);flex:0 0 var(--nav-w);position:sticky;top:0;height:100vh;background:var(--c-surface);border-right:1px solid var(--c-line);display:flex;flex-direction:column;gap:20px;padding:22px 16px 20px;overflow-y:auto;z-index:70;}
.brand{display:flex;align-items:center;gap:10px;padding:2px 6px 16px;border-bottom:1px dashed var(--c-line);}
.brand__mark{width:42px;height:42px;flex:0 0 42px;border-radius:13px;background:linear-gradient(135deg,#F07A4E,#B93F1D);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.02em;box-shadow:0 8px 18px rgba(228,87,46,.28);}
.brand__text{display:flex;flex-direction:column;line-height:1.35;min-width:0;}
.brand__name{font-size:14px;font-weight:800;color:var(--c-text);letter-spacing:-.01em;}
.brand__sub{font-size:11px;color:var(--c-text-3);letter-spacing:.04em;margin-top:2px;}
.nav-group__label{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--c-text-3);padding:0 10px;margin-bottom:8px;}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;font-weight:600;color:var(--c-text-2);position:relative;transition:background .18s ease,color .18s ease;}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--c-text-3);transition:color .18s ease;}
.nav-item:hover{background:var(--c-surface-2);color:var(--c-text);}
.nav-item:hover i{color:var(--c-primary);}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary-d);}
.nav-item.is-active i{color:var(--c-primary);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--c-primary);}
.nav-item__count{margin-left:auto;font-size:11px;font-weight:700;padding:1px 8px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);}
.nav-tip{margin-top:auto;background:var(--c-accent-soft);border-radius:12px;padding:14px 14px 15px;font-size:12.5px;line-height:1.8;color:#2B5F5B;}
.nav-tip strong{display:block;color:var(--c-accent);font-size:13px;margin-bottom:4px;}

/* ===== 移动端顶栏与抽屉 ===== */
.mobile-top{display:none;position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);padding:10px 18px;align-items:center;justify-content:space-between;gap:12px;}
.mobile-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800;color:var(--c-text);}
.mobile-brand .brand__mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:13px;}
.mobile-toggle{width:42px;height:42px;border-radius:11px;border:1px solid var(--c-line);background:#fff;color:var(--c-text);display:grid;place-items:center;cursor:pointer;font-size:16px;transition:background .2s ease,color .2s ease,border-color .2s ease;}
.mobile-toggle:hover{background:var(--c-primary-soft);color:var(--c-primary-d);border-color:#F3C4B4;}
.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(31,29,26,.42);z-index:65;opacity:0;pointer-events:none;transition:opacity .25s ease;}
.nav-backdrop.is-open{opacity:1;pointer-events:auto;}

/* ===== 通用组件 ===== */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--c-primary-d);background:var(--c-primary-soft);padding:5px 14px;border-radius:var(--r-pill);}
.eyebrow--accent{color:var(--c-accent);background:var(--c-accent-soft);}
.section{padding:72px 0;}
.section--alt{background:var(--c-surface-2);}
.section__head{max-width:780px;margin-bottom:34px;}
.sec-title{font-size:32px;line-height:1.35;margin:14px 0 12px;}
.sec-desc{font-size:15.5px;color:var(--c-text-2);line-height:1.9;margin:0;}
.badge-tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);}
.badge-tag--hot{background:var(--c-primary-soft);color:var(--c-primary-d);}
.pill-tags{display:flex;flex-wrap:wrap;gap:8px;}
.btn-main,.btn-ghost,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-md);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.24);}
.btn-main:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,87,46,.30);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-d);}
.btn-soft{background:var(--c-surface-2);border:1px solid var(--c-line);color:var(--c-text);}
.btn-soft:hover{background:#fff;color:var(--c-primary-d);border-color:#F3C4B4;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}

/* ===== 分类页头 ===== */
.cat-hero{position:relative;overflow:hidden;padding:40px 0 46px;background:linear-gradient(180deg,#FDF1EB 0%,#FAF8F5 100%);border-bottom:1px solid var(--c-line);}
.cat-hero::after{content:"";position:absolute;right:-90px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(228,87,46,.16),transparent 68%);pointer-events:none;}
.cat-hero > .wrap{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:16px;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb i{font-size:10px;color:var(--c-text-3);}
.cat-hero h1{font-size:40px;line-height:1.24;letter-spacing:-.02em;margin:14px 0 16px;max-width:880px;}
.cat-lead{font-size:16.5px;line-height:1.9;color:var(--c-text-2);max-width:780px;}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.cat-metrics{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.metric{background:rgba(255,255,255,.86);border:1px solid var(--c-line);border-radius:14px;padding:14px 20px;min-width:150px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-1);border-color:#F3C4B4;}
.metric__num{font-size:26px;font-weight:800;color:var(--c-primary-d);font-variant-numeric:tabular-nums;line-height:1.2;}
.metric__label{font-size:12.5px;color:var(--c-text-3);margin-top:2px;}

/* ===== 话题列表 ===== */
.post-list{display:flex;flex-direction:column;gap:20px;}
.post-card{display:grid;grid-template-columns:270px 1fr;gap:24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;padding:18px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#F3C4B4;}
.post-card__media{display:block;border-radius:12px;overflow:hidden;border:1px solid var(--c-line);aspect-ratio:16/10;background:var(--c-surface-2);}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-card__media img{transform:scale(1.04);}
.post-card__body{display:flex;flex-direction:column;min-width:0;}
.post-card__title{font-size:19px;font-weight:700;line-height:1.5;margin:2px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__title a{color:var(--c-text);}
.post-card__title a:hover{color:var(--c-primary-d);}
.post-card__excerpt{font-size:14.5px;line-height:1.85;color:var(--c-text-2);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__foot{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px dashed var(--c-line);}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--c-text-3);}
.post-meta i{font-size:11px;}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease,color .2s ease;}
.link-more:hover{gap:10px;color:var(--c-primary-d);}
.list-foot{display:flex;justify-content:center;margin-top:32px;}
.empty-state{text-align:center;padding:56px 24px;border:1px dashed var(--c-line);border-radius:16px;background:var(--c-surface);}
.empty-state i{font-size:34px;color:var(--c-text-3);}
.empty-state p{font-size:15.5px;color:var(--c-text-2);margin:14px 0 6px;}
.empty-state span{font-size:12.5px;color:var(--c-text-3);}
.empty-state .btn-soft{margin-top:20px;}

/* ===== 导读说明 ===== */
.guide-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start;}
.guide-text p{font-size:15.5px;line-height:1.95;color:var(--c-text-2);margin-bottom:16px;}
.guide-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;padding:24px;box-shadow:var(--sh-1);}
.guide-card h3{font-size:17px;margin-bottom:14px;}
.guide-list li{display:flex;gap:10px;font-size:14px;color:var(--c-text-2);line-height:1.8;padding:9px 0;border-bottom:1px dashed var(--c-line);}
.guide-list li:last-child{border-bottom:0;}
.guide-list i{color:var(--c-accent);font-size:13px;margin-top:5px;}

/* ===== 热门榜 ===== */
.rank-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;overflow:hidden;}
.rank-item{display:flex;gap:16px;align-items:flex-start;padding:18px 24px;border-bottom:1px solid var(--c-line);transition:background .2s ease;}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:var(--c-surface-2);}
.rank-num{font-size:19px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;min-width:34px;line-height:1.6;}
.rank-body{min-width:0;}
.rank-title{font-size:16px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rank-title a{color:var(--c-text);}
.rank-title a:hover{color:var(--c-primary-d);}
.rank-meta{font-size:12.5px;color:var(--c-text-3);margin-top:4px;display:flex;gap:10px;flex-wrap:wrap;}

/* ===== 场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.scene-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#F3C4B4;}
.scene-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);border-bottom:1px solid var(--c-line);}
.scene-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.scene-card:hover .scene-card__media img{transform:scale(1.05);}
.scene-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.scene-card h3{font-size:18px;}
.scene-card p{font-size:14px;line-height:1.85;color:var(--c-text-2);}
.scene-card .badge-tag{align-self:flex-start;}

/* ===== 专题横条 ===== */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.topic-card{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);min-height:190px;display:flex;align-items:flex-end;transition:transform .22s ease,box-shadow .22s ease;}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.topic-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(31,29,26,.05) 20%,rgba(31,29,26,.78) 100%);}
.topic-card__body{position:relative;z-index:1;padding:22px;color:#fff;}
.topic-card__body h3{font-size:19px;margin-bottom:6px;}
.topic-card__body p{font-size:13.5px;color:rgba(255,255,255,.86);line-height:1.8;}

/* ===== 安全须知 ===== */
.safety-list{display:flex;flex-direction:column;gap:14px;}
.safety-item{display:flex;gap:16px;align-items:flex-start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;padding:20px 22px;transition:border-color .2s ease,box-shadow .2s ease;}
.safety-item:hover{border-color:#F3C4B4;box-shadow:var(--sh-1);}
.safety-icon{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--c-accent-soft);color:var(--c-accent);display:grid;place-items:center;font-size:17px;}
.safety-item h3{font-size:16.5px;margin-bottom:6px;}
.safety-item p{font-size:14px;line-height:1.85;color:var(--c-text-2);}

/* ===== FAQ ===== */
.faq{border-top:1px solid var(--c-line);}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);border-radius:0;}
.faq .accordion-button{background:transparent;color:var(--c-text);font-weight:700;font-size:16px;line-height:1.65;padding:18px 46px 18px 16px;border-radius:0;box-shadow:none;position:relative;}
.faq .accordion-button:not(.collapsed){color:var(--c-primary-d);background:var(--c-primary-soft);border-left:3px solid var(--c-primary);}
.faq .accordion-button:focus{box-shadow:none;outline:none;}
.faq .accordion-button::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;background-image:none;transform:none;position:absolute;right:18px;top:50%;margin-top:-8px;transition:transform .22s ease;}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq .accordion-body{font-size:14.5px;line-height:1.9;color:var(--c-text-2);padding:2px 18px 20px;}

/* ===== 转化条 ===== */
.cta-band{position:relative;overflow:hidden;background:#221F1C;color:#fff;border-radius:var(--r-lg);padding:40px 44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(228,87,46,.35),transparent 68%);pointer-events:none;}
.cta-band__text{position:relative;z-index:1;max-width:620px;}
.cta-band h2{font-size:26px;line-height:1.4;margin-bottom:10px;color:#fff;}
.cta-band p{font-size:14.5px;color:#C9C1B8;line-height:1.85;}
.cta-band__actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-soft{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff;}
.cta-band .btn-soft:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.3);}

/* ===== 页脚 ===== */
.site-footer{background:#221F1C;color:#EDE7E0;padding:56px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.35fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand__mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:13px;}
.footer-brand__name{font-size:15px;font-weight:700;color:#fff;line-height:1.5;}
.footer-about{font-size:13.5px;line-height:1.9;color:#B7AFA6;margin:0;}
.site-footer h4{font-size:14px;letter-spacing:.06em;color:#fff;margin-bottom:14px;}
.footer-list li{margin-bottom:9px;}
.footer-list a{color:#C9C1B8;font-size:14px;}
.footer-list a:hover{color:#F6906A;}
.footer-meta{font-size:13.5px;line-height:1.95;color:#B7AFA6;margin:0;}
.footer-bottom{margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:#8F877E;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .wrap{padding:0 26px;}
  .cat-hero h1{font-size:34px;}
  .sec-title{font-size:28px;}
  .post-card{grid-template-columns:230px 1fr;gap:20px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  .side-nav{position:fixed;top:0;left:0;height:100vh;width:284px;transform:translateX(-102%);transition:transform .28s ease;box-shadow:0 24px 48px rgba(31,29,26,.18);border-right:1px solid var(--c-line);}
  .side-nav.is-open{transform:translateX(0);}
  .mobile-top{display:flex;}
  .nav-backdrop{display:block;}
  .wrap{padding:0 22px;}
  .section{padding:56px 0;}
  .cat-hero{padding:28px 0 34px;}
  .cat-hero h1{font-size:30px;}
  .cat-lead{font-size:15.5px;}
  .guide-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .post-card{grid-template-columns:200px 1fr;}
  .cta-band{padding:32px 28px;}
  .cta-band h2{font-size:22px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .section{padding:44px 0;}
  .cat-hero h1{font-size:26px;line-height:1.3;}
  .sec-title{font-size:23px;}
  .cat-metrics{gap:10px;}
  .metric{flex:1 1 calc(50% - 10px);min-width:0;padding:12px 14px;}
  .metric__num{font-size:22px;}
  .post-card{grid-template-columns:1fr;gap:16px;padding:14px;}
  .post-card__media{aspect-ratio:16/9;}
  .post-card__title{font-size:17px;}
  .scene-grid{grid-template-columns:1fr;}
  .rank-item{padding:16px 18px;}
  .safety-item{flex-direction:row;padding:18px;}
  .cta-band{padding:26px 20px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq .accordion-button{font-size:15px;padding:16px 42px 16px 14px;}
}
@media (max-width:520px){
  .btn-main,.btn-ghost,.btn-soft{width:100%;}
  .hero-actions,.cat-tags .btn-ghost{width:100%;}
  .cat-metrics{flex-direction:column;}
  .metric{flex:1 1 auto;}
  .cta-band__actions{width:100%;}
  .list-foot .btn-ghost{width:100%;}
}