/* roulang page: index */
:root{
  --primary:#1A1033;
  --primary-2:#2B1B52;
  --brand:#1FC8A9;
  --brand-deep:#12A98D;
  --cta:#FF7A45;
  --cta-dark:#F26A33;
  --bg:#F7F6F2;
  --bg-soft:#FBFAF7;
  --card:#FFFFFF;
  --dark:#14102A;
  --ink:#171423;
  --ink-2:#4E4A5C;
  --ink-3:#8A8698;
  --line:#E9E6E0;
  --line-dark:rgba(255,255,255,.10);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(23,20,35,.06);
  --sh-2:0 10px 28px rgba(23,20,35,.10);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",ui-sans-serif,system-ui,sans-serif;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body.site-body{margin:0;padding:0;background:var(--bg);color:var(--ink-2);font-family:var(--font-cn);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;}
.site-body a{color:inherit;text-decoration:none;}
.site-body img{display:block;max-width:100%;}
.site-body button,.site-body input{font-family:inherit;font-size:inherit;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.wrap{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
@media (max-width:640px){.wrap{padding-left:16px;padding-right:16px;}}

/* ============ 顶部导航 ============ */
.site-head{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-head.is-scrolled{box-shadow:0 6px 22px rgba(23,20,35,.08);}
.head-main{display:flex;align-items:center;gap:26px;height:78px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#241546,#120C26);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em;}
.head-search{flex:1 1 auto;max-width:580px;display:flex;align-items:center;gap:10px;background:#F4F2EE;border:1px solid transparent;border-radius:999px;padding:6px 6px 6px 18px;transition:border-color .2s,background-color .2s,box-shadow .2s;}
.head-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(31,200,169,.18);}
.head-search svg{width:18px;height:18px;flex:0 0 auto;color:var(--ink-3);}
.head-search input{flex:1 1 auto;min-width:0;height:38px;border:0;background:transparent;outline:none;color:var(--ink);font-size:15px;}
.head-search input::placeholder{color:var(--ink-3);}
.head-search button{flex:0 0 auto;height:38px;padding:0 22px;border:0;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s;}
.head-search button:hover{background:var(--primary-2);}
.head-actions{flex:0 0 auto;margin-left:auto;display:flex;align-items:center;gap:12px;}

.cat-bar{border-top:1px solid var(--line);background:#fff;}
.cat-bar-inner{display:flex;align-items:center;gap:30px;height:48px;}
.cat-link{position:relative;display:inline-flex;align-items:center;height:48px;font-size:14px;color:var(--ink-2);white-space:nowrap;transition:color .2s;}
.cat-link:hover{color:var(--brand-deep);}
.cat-link.is-active{color:var(--primary);font-weight:600;}
.cat-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand);}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-cta{background:var(--cta);color:#fff;box-shadow:0 8px 22px rgba(255,122,69,.28);}
.btn-cta:hover{background:var(--cta-dark);transform:translateY(-1px);}
.btn-cta:active{transform:translateY(1px);}
.btn-dark{background:var(--primary);color:#fff;}
.btn-dark:hover{background:var(--primary-2);transform:translateY(-1px);}
.btn-ghost{border-color:rgba(255,255,255,.28);background:transparent;color:#fff;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(31,200,169,.10);}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink);}
.btn-outline:hover{border-color:var(--brand);background:rgba(31,200,169,.08);color:var(--primary);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);transition:color .2s;}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(3px);}

/* ============ Hero ============ */
.hero{position:relative;background:var(--primary);color:#fff;overflow:hidden;padding:70px 0 78px;}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);background-size:24px 24px;opacity:.35;pointer-events:none;}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(31,200,169,.22),transparent 68%);pointer-events:none;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(31,200,169,.14);border:1px solid rgba(31,200,169,.35);color:var(--brand);font-size:13px;font-weight:600;}
.hero-title{margin:22px 0 0;font-size:clamp(30px,3.6vw,48px);line-height:1.28;font-weight:700;color:#fff;letter-spacing:.01em;}
.hero-sub{margin:18px 0 0;max-width:560px;font-size:17px;line-height:1.78;color:rgba(255,255,255,.74);}
.hero-search{display:flex;align-items:center;gap:10px;max-width:540px;margin:28px 0 0;padding:6px 6px 6px 20px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);transition:border-color .2s,background-color .2s;}
.hero-search:focus-within{border-color:var(--brand);background:rgba(255,255,255,.11);}
.hero-search svg{width:18px;height:18px;flex:0 0 auto;color:rgba(255,255,255,.55);}
.hero-search input{flex:1 1 auto;min-width:0;height:46px;border:0;background:transparent;outline:none;color:#fff;font-size:15px;}
.hero-search input::placeholder{color:rgba(255,255,255,.5);}
.hero-search button{flex:0 0 auto;height:46px;padding:0 24px;border:0;border-radius:999px;background:var(--brand);color:#062A23;font-weight:700;cursor:pointer;transition:background-color .2s;}
.hero-search button:hover{background:#31DDBE;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.hero-stats{list-style:none;display:flex;flex-wrap:wrap;gap:14px 34px;margin:34px 0 0;padding:22px 0 0;border-top:1px solid rgba(255,255,255,.12);}
.hero-stats li{display:flex;align-items:baseline;gap:9px;font-size:13.5px;color:rgba(255,255,255,.66);}
.hero-stats b{font-size:21px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;}
.hero-figure{border-radius:var(--r-panel);overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 26px 60px rgba(0,0,0,.38);}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}

/* ============ 板块通用 ============ */
.section{padding:76px 0;}
.section-tint{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-dark{background:var(--dark);color:rgba(255,255,255,.76);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px;}
.sec-title{margin:0;font-size:clamp(24px,2.8vw,34px);line-height:1.32;font-weight:700;color:var(--ink);}
.sec-sub{margin:14px 0 0;font-size:17px;line-height:1.75;color:var(--ink-3);}
.section-dark .sec-title{color:#fff;}
.section-dark .sec-sub{color:rgba(255,255,255,.62);}
.section-dark .sec-eyebrow{color:var(--brand);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ============ 网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
@media (max-width:1024px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:640px){.grid-3,.grid-2{grid-template-columns:minmax(0,1fr);}}

/* ============ 痛点卡 ============ */
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:30px;display:flex;flex-direction:column;gap:12px;transition:transform .22s ease,box-shadow .22s ease;}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.pain-idx{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.pain-card h3{margin:0;font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);}
.pain-card p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ============ 交替图文 ============ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:38px 0;}
.feature-row + .feature-row{border-top:1px dashed var(--line);}
.feature-row:nth-child(even) .feature-media{order:2;}
.feature-media{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.feature-media:hover img{transform:scale(1.03);}
.num-tag{display:inline-flex;align-items:center;justify-content:center;min-width:46px;height:30px;padding:0 12px;border-radius:999px;background:rgba(31,200,169,.14);color:var(--brand-deep);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;}
.feature-title{margin:16px 0 0;font-size:clamp(20px,2.2vw,24px);line-height:1.42;font-weight:600;color:var(--ink);}
.feature-text{margin:12px 0 0;font-size:15.5px;line-height:1.85;color:var(--ink-2);}
.feature-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;}
.feature-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);}
.feature-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--brand);}
.feature-row .link-arrow{margin-top:20px;}
@media (max-width:900px){
  .feature-row{grid-template-columns:minmax(0,1fr);gap:26px;padding:30px 0;}
  .feature-row:nth-child(even) .feature-media{order:0;}
}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px;}
.bento-card{border-radius:var(--r-card);padding:28px;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.bento-card.span-6{grid-column:span 6;}
.bento-card.span-3{grid-column:span 3;}
.bento-card.is-dark{background:linear-gradient(150deg,#1F1340,#150F2E);border-color:var(--line-dark);color:rgba(255,255,255,.74);}
.bento-card.is-dark:hover{box-shadow:0 14px 34px rgba(20,16,42,.28);}
.bento-card.is-brand{background:rgba(31,200,169,.09);border-color:rgba(31,200,169,.28);}
.bento-card h3{margin:0 0 12px;font-size:20px;line-height:1.45;font-weight:600;color:var(--ink);}
.bento-card.is-dark h3{color:#fff;}
.bento-card p{margin:0;font-size:15px;line-height:1.8;}
.bento-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;background:rgba(31,200,169,.12);color:var(--brand-deep);font-size:13px;font-weight:600;white-space:nowrap;}
.tag-plain{background:rgba(26,16,51,.06);color:var(--ink-2);}
.stat-num{display:flex;align-items:baseline;gap:6px;font-size:32px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num small{font-size:14px;font-weight:600;color:var(--ink-3);}
.bento-card.is-dark .stat-num{color:var(--brand);}
.stat-label{margin-top:10px;font-size:14px;color:var(--ink-3);}
.bento-card.is-dark .stat-label{color:rgba(255,255,255,.6);}
@media (max-width:1024px){
  .bento-card.span-3{grid-column:span 6;}
}
@media (max-width:640px){
  .bento-card.span-6,.bento-card.span-3{grid-column:span 12;}
}

/* ============ 证言 ============ */
.quote-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;transition:transform .22s ease,box-shadow .22s ease;}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.quote-mark{font-size:44px;line-height:1;color:var(--brand);opacity:.55;font-family:Georgia,serif;}
.quote-text{margin:12px 0 0;font-size:15.5px;line-height:1.85;color:var(--ink-2);}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);}
.avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:0 0 auto;}
.quote-name{font-size:15px;font-weight:600;color:var(--ink);}
.quote-role{font-size:13px;color:var(--ink-3);}

/* ============ 内容卡片 ============ */
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-thumb{position:relative;overflow:hidden;background:#EFECE6;}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px 22px 18px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.post-title{margin:0;font-size:17.5px;line-height:1.55;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s;}
.post-card:hover .post-title{color:var(--brand-deep);}
.post-summary{margin:0;font-size:14.5px;line-height:1.78;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);}
.post-foot .num{font-variant-numeric:tabular-nums;}
.empty-state{grid-column:1/-1;text-align:center;padding:52px 20px;border:1px dashed var(--line);border-radius:var(--r-card);color:var(--ink-3);background:#fff;font-size:15px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item[open]{border-color:rgba(31,200,169,.45);box-shadow:var(--sh-1);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 26px;font-size:16px;font-weight:600;color:var(--ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand-deep);font-size:16px;line-height:1;transition:transform .25s ease,background-color .25s,border-color .25s;}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(31,200,169,.14);border-color:rgba(31,200,169,.4);}
.faq-answer{padding:0 26px 24px;background:var(--bg-soft);font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ============ 底部 CTA ============ */
.cta-band{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:70px 0;}
.cta-band::after{content:"";position:absolute;right:-80px;bottom:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(31,200,169,.20),transparent 70%);pointer-events:none;}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.cta-title{margin:0;font-size:clamp(23px,2.6vw,32px);line-height:1.35;font-weight:700;color:#fff;}
.cta-text{margin:14px 0 0;font-size:16px;line-height:1.8;color:rgba(255,255,255,.68);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-form{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:var(--r-panel);padding:26px;}
.cta-form label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:10px;}
.cta-form input{width:100%;height:50px;padding:0 16px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;outline:none;transition:border-color .2s,box-shadow .2s;}
.cta-form input::placeholder{color:rgba(255,255,255,.42);}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,200,169,.2);}
.cta-form .btn{width:100%;margin-top:16px;}
.cta-note{margin:14px 0 0;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 页脚 ============ */
.site-foot{background:#100C22;color:#C9C5D6;border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.foot-brand .brand-mark{background:linear-gradient(140deg,#241546,#120C26);}
.foot-brand span{font-size:17px;font-weight:700;color:#fff;}
.foot-desc{margin:0;font-size:14px;line-height:1.8;color:#9E99B4;}
.foot-social{display:flex;gap:10px;margin-top:20px;}
.foot-social a{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:13px;color:#C9C5D6;transition:border-color .2s,color .2s,background-color .2s;}
.foot-social a:hover{border-color:var(--brand);color:var(--brand);background:rgba(31,200,169,.10);}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.foot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.foot-list a,.foot-list span{font-size:14px;color:#C9C5D6;transition:color .2s;}
.foot-list a:hover{color:var(--brand);}
.foot-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8B87A0;}

/* ============ 响应式导航 ============ */
@media (max-width:960px){
  .head-main{flex-wrap:wrap;height:auto;padding:14px 0 0;gap:12px;}
  .brand{order:1;}
  .head-actions{order:2;}
  .head-search{order:3;flex:0 0 100%;max-width:none;margin-bottom:14px;}
  .cat-bar-inner{height:auto;flex-wrap:wrap;gap:20px;padding:12px 0;}
  .cat-link{height:auto;}
  .cat-link.is-active::after{bottom:-4px;}
}
@media (max-width:640px){
  .section{padding:56px 0;}
  .hero{padding:52px 0 60px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:16px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-bottom{flex-direction:column;}
  .quote-card,.pain-card,.bento-card{padding:24px;}
}

/* roulang page: category1 */
:root{
  --primary:#1A1033;
  --primary-soft:rgba(26,16,51,.06);
  --brand:#1FC8A9;
  --brand-deep:#12A88E;
  --brand-soft:rgba(31,200,169,.12);
  --cta:#FF7A45;
  --cta-deep:#F0642C;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --dark:#14102A;
  --ink:#171423;
  --ink-2:#4E4A5C;
  --ink-3:#8A8698;
  --line:#E9E6E0;
  --line-dark:rgba(255,255,255,.10);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(23,20,35,.06);
  --sh-2:0 10px 28px rgba(23,20,35,.10);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
.num,time,.tabular{font-variant-numeric:tabular-nums;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-head.is-scrolled{box-shadow:0 6px 20px rgba(23,20,35,.07);}
.head-main{
  display:flex;align-items:center;gap:22px;
  min-height:78px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--primary);color:var(--brand);
  display:grid;place-items:center;
  font-weight:700;font-size:19px;
  box-shadow:inset 0 0 0 1px rgba(31,200,169,.35);
}
.brand-name{
  font-size:18px;font-weight:700;letter-spacing:.2px;
  white-space:nowrap;
}
.head-search{
  flex:1 1 auto;max-width:560px;
  display:flex;align-items:center;gap:10px;
  height:50px;padding:0 8px 0 16px;
  background:#FBFAF7;
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.head-search svg{width:19px;height:19px;color:var(--ink-3);flex:0 0 auto;}
.head-search input{
  flex:1 1 auto;min-width:0;height:100%;
  border:0;background:transparent;outline:none;
  font-size:15px;color:var(--ink);
}
.head-search input::placeholder{color:var(--ink-3);font-size:14px;}
.head-search:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-soft);
}
.head-search button{
  flex:0 0 auto;height:36px;padding:0 20px;border:0;cursor:pointer;
  border-radius:999px;background:var(--brand);color:#08221D;
  font-size:14px;font-weight:600;
  transition:background .2s ease,transform .15s ease;
}
.head-search button:hover{background:#17B398;}
.head-search button:active{transform:translateY(1px);}
.head-search button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.head-actions{flex:0 0 auto;display:flex;align-items:center;gap:12px;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.28);}
.btn-primary:hover{background:var(--cta-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.10);}
.btn-outline{border-color:var(--line);background:#fff;color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);border-color:#D7D2E2;}
.btn-dark{background:var(--primary);color:#fff;}
.btn-dark:hover{background:#241747;transform:translateY(-1px);}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

/* nav bar */
.cat-bar{border-top:1px solid var(--line);background:var(--surface);}
.cat-bar-inner{display:flex;align-items:center;gap:26px;height:52px;overflow-x:auto;}
.cat-bar-inner::-webkit-scrollbar{height:0;}
.cat-link{
  position:relative;flex:0 0 auto;
  font-size:14px;color:var(--ink-2);
  padding:14px 0;border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.cat-link:hover{color:var(--brand-deep);}
.cat-link.is-active{color:var(--primary);font-weight:600;border-bottom-color:var(--brand);}
.cat-link:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:4px;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;
  padding:52px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.20;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;
}
.page-hero .wrap{position:relative;z-index:2;}
.crumb{font-size:13px;color:rgba(255,255,255,.62);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.5;}
.crumb .current{color:#fff;}
.page-hero h1{
  color:#fff;font-size:clamp(27px,3.6vw,40px);font-weight:700;line-height:1.28;
  max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{
  margin-top:16px;max-width:720px;
  color:rgba(255,255,255,.78);font-size:16px;line-height:1.8;
}
.hero-meta{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;
}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.86);
}
.hero-chip b{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- layout ---------- */
.section{padding:56px 0 64px;}
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:34px;align-items:start;}

.side-nav{
  position:sticky;top:150px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:20px 18px;
  box-shadow:var(--sh-1);
}
.side-title{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.5px;margin-bottom:12px;}
.side-list li+li{margin-top:2px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.side-list a:hover{background:#FBFAF7;color:var(--primary);}
.side-list a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.side-list a span.count{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.side-note{
  margin-top:18px;padding:14px;border-radius:12px;
  background:#FBFAF7;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);line-height:1.7;
}
.side-note a{color:var(--brand-deep);font-weight:600;}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(21px,2.4vw,28px);}
.section-head p{margin-top:6px;font-size:14px;color:var(--ink-3);}
.text-link{font-size:14px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.text-link i{transition:transform .2s ease;font-size:12px;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DED9E8;}
.card:hover .card-title{color:var(--brand-deep);}
.card-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDEAE4;}
.card-body{padding:18px 18px 14px;flex:1 1 auto;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:#0E8C77;
  font-size:13px;font-weight:600;line-height:1.7;
}
.card-title{
  margin:12px 0 8px;font-size:18px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.card-desc{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.card-foot .read{color:var(--ink-2);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-foot .read i{font-size:11px;transition:transform .2s ease;}
.card:hover .card-foot .read i{transform:translateX(3px);}

/* pagination */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:38px;flex-wrap:wrap;}
.pager a{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:14px;color:var(--ink-2);font-variant-numeric:tabular-nums;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand-deep);}
.pager a.is-current{background:var(--cta);border-color:var(--cta);color:#fff;font-weight:700;}

/* ---------- faq ---------- */
.faq-wrap{margin-top:64px;}
.faq-list{display:grid;gap:14px;margin-top:22px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:#DCD6E6;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-answer{
  padding:16px 20px 20px;
  background:#FBFAF7;border-top:1px solid var(--line);
  font-size:15px;color:var(--ink-2);line-height:1.85;
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  margin-top:64px;
  background:var(--dark);color:#fff;
  border-radius:var(--r-panel);
  padding:44px 40px;
}
.cta-band::before{
  content:"";position:absolute;right:-40px;top:-40px;width:320px;height:220px;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.16;border-radius:24px;
}
.cta-band .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.76);font-size:15px;line-height:1.8;max-width:560px;}
.subscribe-form{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 220px;height:48px;padding:0 18px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;outline:none;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.5);font-size:14px;}
.subscribe-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,200,169,.24);background:rgba(255,255,255,.10);}
.cta-side{display:grid;gap:12px;}
.cta-stat{
  display:flex;align-items:baseline;gap:10px;
  padding:14px 18px;border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
}
.cta-stat b{font-size:26px;color:var(--brand);font-variant-numeric:tabular-nums;}
.cta-stat span{font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- footer ---------- */
.site-foot{
  margin-top:72px;
  background:var(--dark);
  border-top:1px solid var(--line-dark);
  color:#C9C5D6;
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding:56px 0 36px;
}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.foot-brand .brand-mark{background:rgba(255,255,255,.06);}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.foot-social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.foot-social a{
  padding:6px 14px;border-radius:999px;font-size:13px;
  border:1px solid var(--line-dark);color:#C9C5D6;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.foot-social a:hover{color:var(--brand);border-color:rgba(31,200,169,.5);background:rgba(31,200,169,.08);}
.foot-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.foot-list li{margin-bottom:11px;font-size:14px;line-height:1.7;}
.foot-list a{color:#C9C5D6;transition:color .2s ease;}
.foot-list a:hover{color:var(--brand);}
.foot-list span{color:rgba(255,255,255,.62);}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1140px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .layout{grid-template-columns:minmax(0,1fr);gap:26px;}
  .side-nav{position:static;padding:16px;}
  .side-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;}
  .side-list li+li{margin-top:0;}
  .side-list a{white-space:nowrap;padding:8px 14px;border:1px solid var(--line);border-radius:999px;}
  .side-note{display:none;}
  .cta-band .cta-inner{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .head-main{flex-wrap:wrap;gap:14px;padding-top:14px;padding-bottom:14px;min-height:0;}
  .head-search{order:3;flex:1 1 100%;max-width:none;height:48px;}
  .head-actions{margin-left:auto;}
  .page-hero{padding:36px 0 40px;}
  .section{padding:40px 0 48px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:26px;padding:40px 0 28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:400px){
  .brand-name{font-size:16px;}
  .btn{padding:0 18px;}
}

/* roulang page: article */
:root{
  --primary:#1A1033;
  --primary-soft:#2A1D4D;
  --dark:#14102A;
  --brand:#1FC8A9;
  --brand-deep:#12A88C;
  --brand-soft:rgba(31,200,169,.13);
  --cta:#FF7A45;
  --cta-deep:#E8622C;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E9E6E0;
  --line-dark:rgba(255,255,255,.12);
  --t1:#171423;
  --t2:#4E4A5C;
  --t3:#8A8698;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --sh1:0 1px 2px rgba(23,20,35,.06);
  --sh2:0 12px 30px rgba(23,20,35,.10);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--t2);
  font-family:var(--font);font-size:16px;line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand);color:#0C1F1A}

/* ---------- 通用容器与按钮 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.26)}
.btn-primary:hover{background:var(--cta-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-soft)}
.btn-outline{background:transparent;color:var(--primary);border-color:rgba(26,16,51,.18)}
.btn-outline:hover{background:rgba(26,16,51,.06);border-color:rgba(26,16,51,.32)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--primary)}
.link-more svg{width:16px;height:16px;transition:transform .2s ease}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-head.is-scrolled{box-shadow:0 6px 20px rgba(23,20,35,.07)}
.read-progress{
  position:absolute;left:0;bottom:-1px;height:3px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--cta));
  border-radius:0 3px 3px 0;transition:width .12s linear;
}
.head-main{display:flex;align-items:center;gap:22px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--primary),#3A2A66);
  color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(31,200,169,.5);
}
.brand-name{font-size:18px;font-weight:700;color:var(--t1);letter-spacing:.4px;white-space:nowrap}
.brand:hover .brand-name{color:var(--brand-deep)}
.head-search{
  flex:1 1 auto;max-width:600px;height:50px;display:flex;align-items:center;gap:10px;
  padding:0 6px 0 18px;border-radius:999px;background:#F5F4EF;
  border:1px solid var(--line);transition:all .22s ease;
}
.head-search:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,200,169,.18),0 6px 18px rgba(23,20,35,.07);
}
.head-search svg{width:19px;height:19px;color:var(--t3);flex:0 0 auto}
.head-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--t1);line-height:1.4;
}
.head-search input::placeholder{color:#9C98A6;font-size:14px}
.head-search button{
  flex:0 0 auto;height:38px;padding:0 20px;border-radius:999px;
  background:var(--brand);color:#07342B;font-size:14px;font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.head-search button:hover{background:#19B396;color:#04231D}
.head-actions{flex:0 0 auto;margin-left:auto}
.cat-bar{border-top:1px solid var(--line);background:#fff}
.cat-bar-inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.cat-bar-inner::-webkit-scrollbar{display:none}
.cat-link{
  position:relative;display:inline-block;padding:13px 14px;font-size:14px;
  color:var(--t2);white-space:nowrap;transition:color .18s ease;
}
.cat-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  border-radius:2px;background:var(--brand);transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.cat-link:hover{color:var(--brand-deep)}
.cat-link:hover::after{transform:scaleX(1)}
.cat-link.is-active{color:var(--primary);font-weight:700}
.cat-link.is-active::after{transform:scaleX(1);background:var(--cta)}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
.crumb-list li{display:flex;align-items:center;gap:8px;max-width:100%}
.crumb-list li+li::before{content:"/";color:#C8C4D0}
.crumb-list a:hover{color:var(--brand-deep)}
.crumb-list .is-current{color:var(--primary);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(46vw,420px)}

/* ---------- 文章头部 ---------- */
.post-main{padding-bottom:16px}
.post-head{padding:26px 0 22px;max-width:900px}
.post-badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;background:var(--brand-soft);color:#0E7A66;
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.post-title{
  font-size:clamp(26px,3.6vw,40px);line-height:1.28;letter-spacing:-.2px;
  color:var(--t1);margin-bottom:16px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--t3)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFCBD8}
.post-meta time{color:var(--t2);font-weight:600}
.post-rule{height:1px;background:var(--line);margin:0 0 34px}

/* ---------- 阅读区布局 ---------- */
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:48px;align-items:start}
.post-body{min-width:0;max-width:780px}

.article-content{font-size:16px;line-height:1.9;color:var(--t2);overflow-wrap:break-word}
.article-content h2{
  position:relative;font-size:clamp(20px,2.1vw,25px);line-height:1.4;
  margin:44px 0 16px;padding-left:15px;color:var(--t1);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--primary));
}
.article-content h3{font-size:19px;margin:30px 0 12px;color:var(--t1)}
.article-content h4{font-size:17px;margin:24px 0 10px;color:var(--t1)}
.article-content p{margin:0 0 1.2em}
.article-content a{color:var(--brand-deep);font-weight:600;border-bottom:1px solid rgba(31,200,169,.45)}
.article-content a:hover{color:var(--primary);border-bottom-color:var(--primary)}
.article-content img{
  width:100%;height:auto;border-radius:12px;margin:22px 0;
  box-shadow:var(--sh1);
}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
.article-content blockquote{
  margin:26px 0;padding:18px 22px;background:#F2F0EA;border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;color:var(--t2);font-size:15.5px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content ul{margin:0 0 1.2em;padding:0}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:9px}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--brand);
}
.article-content ol{margin:0 0 1.2em;padding:0;counter-reset:acnt}
.article-content ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:acnt}
.article-content ol li::before{
  content:counter(acnt);position:absolute;left:0;top:.34em;width:21px;height:21px;
  border-radius:7px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  line-height:1;
}
.article-content table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:14.5px;margin:24px 0;
}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-content th{background:#F2F0EA;color:var(--t1);font-weight:600;white-space:nowrap}
.article-content pre{
  background:#F2F0EA;border-radius:10px;padding:16px 18px;overflow-x:auto;
  font-size:14px;line-height:1.7;margin:22px 0;
}
.article-content code{background:#F2F0EA;border-radius:6px;padding:2px 6px;font-size:14px;color:#0E7A66}
.article-content pre code{background:transparent;padding:0;color:inherit}
.article-content hr{border:0;height:1px;background:var(--line);margin:34px 0}

/* ---------- 标签与来源 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--t2);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft)}
.source-note{
  margin-top:18px;padding:14px 18px;border-radius:12px;background:#fff;
  border:1px dashed var(--line);font-size:13px;color:var(--t3);line-height:1.75;
}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  padding:56px 28px;text-align:center;box-shadow:var(--sh1);
}
.empty-state svg{width:46px;height:46px;color:#C8C4D0;margin:0 auto 16px}
.empty-title{font-size:19px;font-weight:700;color:var(--t1);margin:0 0 8px}
.empty-text{font-size:14px;color:var(--t3);max-width:400px;margin:0 auto 22px}

/* ---------- 侧栏 ---------- */
.post-side{position:relative}
.side-sticky{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh1);
}
.side-title{
  font-size:14px;font-weight:700;color:var(--t1);letter-spacing:.4px;
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-item a{
  display:block;padding:7px 10px;border-radius:8px;font-size:13.5px;color:var(--t2);
  line-height:1.55;border-left:2px solid transparent;transition:all .18s ease;
}
.toc-item a:hover{background:#FBFAF7;color:var(--primary)}
.toc-item a.is-active{background:var(--brand-soft);color:#0E7A66;font-weight:600;border-left-color:var(--brand)}
.toc-lv3 a{padding-left:22px;font-size:13px;color:var(--t3)}
.toc-empty{font-size:13px;color:var(--t3);margin:0}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 10px;border-radius:9px;font-size:14px;color:var(--t2);
}
.side-links a span.arw{color:#C8C4D0;transition:transform .2s ease,color .2s ease}
.side-links a:hover{background:#FBFAF7;color:var(--primary)}
.side-links a:hover span.arw{color:var(--brand);transform:translateX(3px)}
.side-cta{
  background:linear-gradient(150deg,var(--primary),#2C1E55 70%);
  border:1px solid var(--line-dark);border-radius:var(--r-card);padding:22px;
  color:#D9D5E6;
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:8px}
.side-cta p{font-size:13.5px;line-height:1.75;color:#B8B3CC;margin:0 0 16px}

/* ---------- 继续查看 ---------- */
.related{padding:64px 0 8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.sec-title{font-size:clamp(20px,2.2vw,26px)}
.sec-sub{font-size:14px;color:var(--t3);margin:8px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:#DCD8D0}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEDE7}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-badge{
  align-self:flex-start;height:25px;padding:0 11px;border-radius:999px;
  background:var(--brand-soft);color:#0E7A66;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.rel-body h3{font-size:17px;line-height:1.5}
.rel-card:hover .rel-body h3{color:var(--brand-deep)}
.rel-body p{font-size:14px;color:var(--t3);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3)}
.rel-foot .go{display:inline-flex;align-items:center;gap:5px;color:var(--primary);font-weight:600}
.rel-foot .go svg{width:14px;height:14px;transition:transform .2s ease}
.rel-card:hover .rel-foot .go svg{transform:translateX(3px)}

/* ---------- 底部 CTA ---------- */
.cta-band{margin:72px 0 0;padding:72px 0;background:var(--dark);position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(31,200,169,.18),transparent 68%);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;z-index:1}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.4vw,30px);margin-bottom:10px}
.cta-inner p{color:#B8B3CC;font-size:15px;margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--dark);border-top:1px solid var(--line-dark);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.foot-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:15px}
.foot-desc{font-size:14px;line-height:1.8;color:#A9A4BD;margin:0 0 18px;max-width:320px}
.foot-social{display:flex;flex-wrap:wrap;gap:10px}
.foot-social a{
  height:32px;padding:0 14px;border-radius:999px;display:inline-flex;align-items:center;
  font-size:13px;color:#C9C5D6;border:1px solid var(--line-dark);transition:all .2s ease;
}
.foot-social a:hover{color:var(--brand);border-color:rgba(31,200,169,.5);background:rgba(31,200,169,.08)}
.foot-title{font-size:14px;color:#fff;letter-spacing:.4px;margin-bottom:16px}
.foot-list{display:flex;flex-direction:column;gap:10px}
.foot-list a,.foot-list span{font-size:13.5px;color:#C9C5D6;line-height:1.7}
.foot-list a:hover{color:var(--brand)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8F8AA6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .post-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media (max-width:1024px){
  .post-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .post-side{margin-top:36px}
  .side-sticky{position:static}
  .toc-list{max-height:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .head-main{flex-wrap:wrap;height:auto;padding-top:14px;padding-bottom:14px;gap:14px}
  .brand{order:1}
  .head-actions{order:2}
  .head-search{order:3;flex:1 1 100%;max-width:none;height:48px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .post-head{padding:20px 0 18px}
  .crumb{padding:18px 0 0}
  .crumb-list .is-current{max-width:70vw}
  .article-content{font-size:15.5px;line-height:1.85}
  .article-content h2{margin-top:34px}
  .related{padding:52px 0 0}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-band{padding:56px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .foot-bottom{flex-direction:column}
  .side-card{padding:18px}
}

/* roulang page: category2 */
:root{
  --primary:#1A1033;
  --primary-2:#241748;
  --brand:#1FC8A9;
  --brand-soft:rgba(31,200,169,.12);
  --cta:#FF7A45;
  --cta-dark:#F2682F;
  --bg:#F7F6F2;
  --bg-soft:#FBFAF7;
  --card:#FFFFFF;
  --dark:#14102A;
  --text:#171423;
  --muted:#4E4A5C;
  --soft:#8A8698;
  --line:#E9E6E0;
  --line-dark:rgba(255,255,255,.10);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(23,20,35,.06);
  --sh-hover:0 10px 28px rgba(23,20,35,.10);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 头部 ---------- */
.site-head{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-head.is-stuck{box-shadow:0 8px 24px rgba(23,20,35,.08)}
.head-main{display:flex;align-items:center;gap:24px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;letter-spacing:0}
.brand-name{font-size:19px;font-weight:700;color:var(--primary);letter-spacing:.2px;white-space:nowrap}
.brand:hover .brand-name{color:var(--brand)}
.head-search{flex:1 1 auto;max-width:600px;display:flex;align-items:center;gap:10px;height:52px;padding:0 6px 0 18px;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.head-search svg{width:20px;height:20px;flex:none;color:var(--soft)}
.head-search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px}
.head-search input::placeholder{color:#A9A5B4}
.head-search button{flex:none;height:40px;padding:0 22px;border:0;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease,transform .16s ease}
.head-search button:hover{background:var(--primary-2)}
.head-search button:active{transform:translateY(1px)}
.head-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(31,200,169,.18)}
.head-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0;place-items:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;margin:0 auto 4px}
.nav-toggle span:last-child{margin-bottom:0}

.cat-bar{background:#fff;border-top:1px solid var(--line)}
.cat-bar-inner{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none}
.cat-bar-inner::-webkit-scrollbar{display:none}
.cat-link{position:relative;padding:4px 0;font-size:14px;color:var(--muted);white-space:nowrap}
.cat-link:hover{color:var(--brand)}
.cat-link.is-active{color:var(--primary);font-weight:600}
.cat-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:transform .16s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--cta);color:#fff}
.btn-primary:hover{background:var(--cta-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,69,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(26,16,51,.06);color:var(--primary)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-2);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1}
.badge-brand{background:var(--brand-soft);color:#0F8A74}
.badge-primary{background:rgba(26,16,51,.08);color:var(--primary)}
.badge-mute{background:#F0EEEA;color:var(--soft)}
.tagline{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--muted)}
.tag:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 通用文字 ---------- */
.page-title{font-size:clamp(30px,4vw,50px);line-height:1.25;font-weight:700;letter-spacing:-.5px;color:var(--primary);margin:0}
.sec-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.3px;color:var(--primary);margin:0}
.sec-lead{max-width:760px;margin:14px 0 0;font-size:17px;line-height:1.75;color:var(--soft)}
.card-title{font-size:19px;font-weight:600;line-height:1.45;color:var(--text);margin:0}
.card-text{margin:10px 0 0;font-size:15px;line-height:1.8;color:var(--muted)}
.tiny{font-size:13px;color:var(--soft)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0}
.crumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--soft)}
.crumbs-list li{display:flex;align-items:center;gap:8px}
.crumbs-list li+li::before{content:"/";color:#C7C3CE}
.crumbs-list a:hover{color:var(--brand)}
.crumbs-list .is-current{color:var(--primary);font-weight:600}

/* ---------- Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(26,16,51,.9) 1px,transparent 1px);background-size:22px 22px;opacity:.05;pointer-events:none}
.cat-hero::after{content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.10;border-radius:50%;pointer-events:none}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .95fr;gap:56px;align-items:center;padding:44px 0 56px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:var(--brand-soft);color:#0F8A74;font-size:13px;font-weight:600;margin-bottom:18px}
.hero-lead{margin:18px 0 0;max-width:640px;font-size:17px;line-height:1.8;color:var(--muted)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.stat-num{font-size:26px;font-weight:700;color:var(--primary);line-height:1.2}
.stat-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--brand);margin-left:2px}
.stat-label{margin-top:4px;font-size:13px;color:var(--soft)}
.hero-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh);padding:24px}
.hero-panel h2{font-size:17px;font-weight:700;color:var(--primary);margin:0 0 6px}
.panel-note{margin:0 0 18px;font-size:13px;color:var(--soft)}
.field{margin-bottom:14px}
.field label{display:block;margin-bottom:6px;font-size:14px;font-weight:600;color:var(--text)}
.field input,.field select{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;outline:none;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,200,169,.18)}
.field .hint{display:block;margin-top:6px;font-size:12.5px;color:var(--soft)}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:#D64545}
.field.has-error input{border-color:#D64545}
.field.has-error .err{display:block}
.form-note{margin:10px 0 0;font-size:12.5px;color:var(--soft)}
.form-ok{display:none;margin-top:12px;padding:10px 14px;border-radius:10px;background:var(--brand-soft);color:#0F8A74;font-size:13.5px}
.form-ok.is-on{display:block}

/* ---------- Tab ---------- */
.tab-row{display:flex;gap:10px;overflow-x:auto;padding:0 0 4px;scrollbar-width:none}
.tab-row::-webkit-scrollbar{display:none}
.tab{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--muted);white-space:nowrap;cursor:pointer;transition:all .2s ease}
.tab:hover{border-color:var(--brand);color:var(--brand)}
.tab.is-current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-plain{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:36px}
.sec-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.sec-more i{transition:transform .2s ease}
.sec-more:hover{color:var(--brand)}
.sec-more:hover i{transform:translateX(3px)}

/* ---------- 痛点卡 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.pain-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DEDAD2}
.pain-icon{width:44px;height:44px;border-radius:12px;background:rgba(26,16,51,.06);display:grid;place-items:center;color:var(--primary);font-size:18px;margin-bottom:18px}
.pain-card h3{font-size:18px;font-weight:700;color:var(--primary);margin:0 0 8px;line-height:1.4}
.pain-card p{margin:0;font-size:15px;line-height:1.8;color:var(--muted)}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.g-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.g-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DEDAD2}
.g-card:hover .card-title{color:var(--brand)}
.g-card:hover .arrow{transform:translateX(2px)}
.g-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFEDE8}
.g-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.g-card:hover .g-media img{transform:scale(1.03)}
.g-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.g-badge{margin-bottom:12px}
.g-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.g-foot .tiny{font-variant-numeric:tabular-nums}
.read{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--primary)}
.arrow{transition:transform .2s ease}

/* ---------- 清单 + 侧栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:34px;align-items:start}
.list-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:6px}
.list-head h3{font-size:16px;font-weight:700;color:var(--primary);margin:0}
.list-head span{font-size:13px;color:var(--soft)}
.row-list{border-top:1px solid var(--line)}
.list-row{border-bottom:1px solid var(--line)}
.row-link{display:flex;gap:18px;padding:18px 12px;border-radius:12px;transition:background-color .2s ease}
.row-link:hover{background:var(--bg-soft)}
.row-link:hover .row-title{color:var(--brand)}
.row-thumb{flex:none;width:132px;height:88px;object-fit:cover;border-radius:10px;background:#EFEDE8}
.row-body{min-width:0;flex:1 1 auto}
.row-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.row-title{font-size:17px;font-weight:600;line-height:1.5;margin:0;color:var(--text)}
.row-desc{margin:6px 0 0;font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.row-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:10px;font-size:12.5px;color:var(--soft)}
.row-meta i{margin-right:5px;color:#B4B0BE}
.load-more{display:flex;justify-content:center;margin-top:26px}

.side{position:sticky;top:120px;display:grid;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh)}
.side-title{font-size:15px;font-weight:700;color:var(--primary);margin:0 0 14px}
.side-links li+li{margin-top:2px}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--muted)}
.side-links a:hover{background:var(--bg-soft);color:var(--brand)}
.side-links i{font-size:11px;color:#C7C3CE}
.hot-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-rank{flex:none;width:24px;height:24px;border-radius:8px;background:rgba(26,16,51,.06);color:var(--primary);font-size:12.5px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.hot-list li:nth-child(1) .hot-rank{background:rgba(255,122,69,.16);color:#C64A15}
.hot-text{min-width:0;font-size:14px;line-height:1.6;color:var(--muted)}
.hot-text b{display:block;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hot-text span{font-size:12.5px;color:var(--soft);font-variant-numeric:tabular-nums}
.side-cta{background:var(--primary);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:24px;color:#fff}
.side-cta h3{margin:0 0 8px;font-size:18px;font-weight:700;line-height:1.45}
.side-cta p{margin:0 0 18px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.74)}
.side-cta .btn{width:100%}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.step-index{font-size:34px;font-weight:700;line-height:1;color:rgba(31,200,169,.42);font-variant-numeric:tabular-nums;letter-spacing:-1px}
.step h3{font-size:17px;font-weight:700;color:var(--primary);margin:14px 0 8px}
.step p{margin:0;font-size:14.5px;line-height:1.78;color:var(--muted)}

/* ---------- 证言 ---------- */
.quote-band{background:var(--dark);border-radius:var(--r-panel);padding:40px 44px;color:#fff;position:relative;overflow:hidden}
.quote-band::after{content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.14;border-radius:50%}
.quote-band blockquote{margin:0;position:relative;z-index:1;max-width:820px;font-size:clamp(18px,2vw,22px);line-height:1.7;font-weight:600}
.quote-band blockquote::before{content:"“";display:block;font-size:52px;line-height:.7;color:var(--brand);margin-bottom:8px}
.quote-by{position:relative;z-index:1;display:flex;align-items:center;gap:14px;margin-top:24px}
.quote-by img{width:46px;height:46px;border-radius:50%;object-fit:cover;border:1px solid var(--line-dark)}
.quote-by b{display:block;font-size:14.5px;font-weight:600}
.quote-by span{font-size:12.5px;color:rgba(255,255,255,.62)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--primary);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-mark{flex:none;width:26px;height:26px;border-radius:8px;background:rgba(26,16,51,.06);color:var(--primary);display:grid;place-items:center;font-size:15px;font-weight:700;transition:transform .25s ease,background-color .25s ease,color .25s ease}
.faq-item[open] .faq-mark{transform:rotate(45deg);background:var(--brand-soft);color:#0F8A74}
.faq-body{padding:0 24px 22px;background:var(--bg-soft);border-top:1px solid var(--line)}
.faq-body p{margin:16px 0 0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--primary);border-radius:var(--r-panel);padding:56px;color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.10}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);line-height:1.32;font-weight:700;margin:0 0 14px}
.cta-band p{margin:0 0 26px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.76);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-form{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:26px}
.cta-form h3{margin:0 0 16px;font-size:17px;font-weight:700}
.cta-form .field label{color:#fff}
.cta-form .field input{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff}
.cta-form .field input::placeholder{color:rgba(255,255,255,.5)}
.cta-form .field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,200,169,.24)}
.cta-form .form-note{color:rgba(255,255,255,.6)}
.cta-form .btn{width:100%;margin-top:6px}

/* ---------- 页脚 ---------- */
.site-foot{margin-top:96px;background:var(--dark);border-top:1px solid var(--line-dark);color:#C9C5D6}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-brand .brand-mark{background:var(--brand);color:#0D1526}
.foot-desc{max-width:320px;margin:0 0 20px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.foot-social{display:flex;gap:10px;flex-wrap:wrap}
.foot-social a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--line-dark);font-size:13px;color:#C9C5D6}
.foot-social a:hover{color:var(--brand);border-color:var(--brand)}
.foot-title{margin:0 0 16px;font-size:15px;font-weight:700;color:#fff}
.foot-list li{margin-bottom:10px;font-size:14px;line-height:1.7}
.foot-list a:hover{color:var(--brand)}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:20px 0 34px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(255,255,255,.55)}
.foot-bottom .num{font-variant-numeric:tabular-nums}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .wrap{padding:0 20px}
  .head-main{flex-wrap:wrap;gap:14px;padding-top:12px;padding-bottom:12px}
  .head-search{order:3;flex-basis:100%;max-width:none;display:none;height:50px}
  .site-head.is-open .head-search{display:flex}
  .nav-toggle{display:grid}
  .cat-bar-inner{display:none;height:auto;flex-direction:column;align-items:flex-start;gap:0;padding:8px 0 14px}
  .site-head.is-open .cat-bar-inner{display:flex}
  .cat-link{width:100%;padding:12px 0;border-bottom:1px solid var(--line)}
  .cat-link.is-active::after{display:none}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:30px 0 46px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .card-grid,.pain-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
  .side{position:static}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .cta-band{padding:40px 32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
  .section{padding:68px 0}
}
@media (max-width:639px){
  .wrap{padding:0 16px}
  .brand-name{font-size:17px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .card-grid,.pain-grid,.steps{grid-template-columns:1fr}
  .row-link{gap:14px;padding:16px 8px}
  .row-thumb{width:96px;height:72px}
  .row-top{flex-direction:column;gap:8px}
  .quote-band{padding:30px 24px}
  .cta-band{padding:32px 22px;border-radius:16px}
  .faq-item summary{padding:18px}
  .faq-body{padding:0 18px 20px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}