/* roulang page: index */
:root{
  --ink-900:#1C1A1E; --ink-700:#3A363C; --ink-500:#6B656D;
  --porcelain:#FAF8F5; --mist:#F1ECE7; --line:#E3DDD8; --white:#FFFFFF;
  --lilac-600:#8A6478; --lilac-700:#6E4C5D; --lilac-100:#F0E6EA;
  --copper:#B58A5E; --sage:#5C7A6B; --clay:#B4634B;
  --r-sm:4px; --r-md:8px; --r-lg:14px;
  --sh-1:0 1px 2px rgba(28,26,30,.04);
  --sh-2:0 10px 28px rgba(28,26,30,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:112px;
  --bs-primary:#8A6478; --bs-body-color:#3A363C; --bs-body-bg:#FAF8F5;
  --bs-border-color:#E3DDD8; --bs-border-radius:8px; --bs-link-color:#8A6478;
  --bs-link-hover-color:#6E4C5D;
  --bs-font-sans-serif:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --bs-body-font-size:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--porcelain); color:var(--ink-700);
  font-family:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px; line-height:1.85; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--lilac-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--lilac-700)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;color:var(--ink-900);margin:0;font-weight:600;line-height:1.3}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lilac-600);outline-offset:3px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;border-top:1px solid var(--line)}
.section--mist{background:var(--mist)}
.section--dark{background:var(--ink-900);color:#D9D4D7;border-top:1px solid #2A262B}
.section--dark h2,.section--dark h3,.section--dark h1{color:#fff}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:22px;margin-bottom:44px;border-bottom:1px solid var(--line)}
.section--dark .sec-head{border-bottom-color:#2E2A30}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,34px);letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:2px;background:var(--lilac-600)}
.section--dark .sec-title::before{background:var(--copper)}
.sec-sub{margin:10px 0 0;color:var(--ink-500);font-size:15px;max-width:640px}
.section--dark .sec-sub{color:#A9A2A8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--lilac-600);margin-bottom:14px}
.section--dark .eyebrow{color:var(--copper)}

/* header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(250,248,245,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand-row{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex:0 0 34px;color:var(--lilac-600)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-family:'Noto Serif SC','Songti SC',serif;font-size:17px;font-weight:600;color:var(--ink-900);letter-spacing:.01em}
.logo-sub{font-size:11px;letter-spacing:.18em;color:var(--ink-500);text-transform:uppercase}
.search-box{position:relative;flex:1 1 auto;max-width:400px;margin-left:12px}
.search-box input{width:100%;height:40px;border-radius:6px;border:1px solid var(--line);background:#fff;padding:0 14px 0 38px;font-size:14px;color:var(--ink-900);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.search-box input::placeholder{color:#9C959C}
.search-box input:focus{outline:none;border-color:var(--lilac-600);box-shadow:0 0 0 3px rgba(138,100,120,.15)}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-500)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.header-actions .text-link{font-size:14px;color:var(--ink-700)}
.header-actions .text-link:hover{color:var(--lilac-600)}
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:6px;background:var(--ink-900);color:var(--porcelain);border:1px solid var(--ink-900);font-size:15px;font-weight:500;cursor:pointer;transition:background .26s var(--ease),border-color .26s var(--ease),letter-spacing .26s var(--ease),color .18s var(--ease)}
.btn-x:hover{background:var(--lilac-600);border-color:var(--lilac-600);color:#fff;letter-spacing:.02em}
.btn-x.sm{height:40px;padding:0 16px;font-size:14px}
.btn-ghost{background:transparent;color:var(--ink-900);border:1px solid var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:var(--porcelain);border-color:var(--ink-900)}
.btn-light{background:var(--porcelain);color:var(--ink-900);border-color:var(--porcelain)}
.btn-light:hover{background:var(--lilac-600);border-color:var(--lilac-600);color:#fff}
.btn-outline-light-x{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-outline-light-x:hover{background:#fff;color:var(--ink-900);border-color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--lilac-600)}
.link-arrow span{transition:transform .18s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}
.channel-row{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.channel-row::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:999px;border:1px solid transparent;color:var(--ink-500);font-size:14px;white-space:nowrap;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.pill:hover{background:var(--mist);color:var(--ink-900)}
.pill.active{background:var(--lilac-100);color:var(--lilac-600);border-color:var(--lilac-600);font-weight:500}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:6px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
.nav-toggle i{display:block;width:18px;height:1.5px;background:var(--ink-900);transition:transform .26s var(--ease),opacity .26s var(--ease)}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--porcelain);padding:16px 0 20px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:12px 4px;font-size:15px;color:var(--ink-700);border-bottom:1px solid var(--line)}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel .btn-x{width:100%;margin-top:14px;color:var(--porcelain)}

/* hero */
.hero{position:relative;color:#fff;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/cbefc919e59a78fc.webp');background-size:cover;background-position:center;filter:saturate(.85)}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,17,22,.92) 0%,rgba(26,22,28,.78) 46%,rgba(28,26,30,.42) 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:48px;padding:76px 0 64px}
.hero h1{color:#fff;font-size:clamp(28px,4.4vw,52px);line-height:1.15;letter-spacing:-.01em;max-width:16em}
.hero h1 em{font-style:normal;color:var(--copper)}
.hero-lead{margin:22px 0 0;max-width:640px;color:#CFC8CE;font-size:16px;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-tags a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid rgba(255,255,255,.28);color:#E4DEE3;font-size:13px;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.hero-tags a:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55)}
.hero-side{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);padding:24px;backdrop-filter:blur(6px);align-self:start}
.hero-side h2{font-size:16px;color:#fff;letter-spacing:.02em}
.hero-side p{color:#B9B2B8;font-size:13px;margin:8px 0 16px}
.nearby-list li+li{border-top:1px solid rgba(255,255,255,.12)}
.nearby-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;color:#E7E1E6;font-size:14px;transition:color .18s var(--ease),padding-left .18s var(--ease)}
.nearby-list a:hover{color:#fff;padding-left:6px}
.nearby-list i{font-style:normal;color:var(--copper);font-size:13px}
.hero-metric{display:flex;gap:14px;margin-top:22px}
.hero-metric div{flex:1;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-sm);padding:12px 14px}
.hero-metric b{display:block;font-size:22px;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.hero-metric span{font-size:12px;color:#A9A2A8}

/* metrics dark */
.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#2E2A30;border:1px solid #2E2A30;border-radius:var(--r-md);overflow:hidden}
.metric-cell{background:#221F25;padding:26px 22px;transition:background .26s var(--ease)}
.metric-cell:hover{background:#282430}
.metric-cell b{display:block;font-size:clamp(26px,3vw,38px);font-family:'Inter',sans-serif;font-variant-numeric:tabular-nums;color:#fff;line-height:1.1}
.metric-cell b i{font-style:normal;font-size:14px;color:var(--copper);margin-left:4px}
.metric-cell p{margin:8px 0 14px;font-size:13px;color:#A9A2A8}
.bar{height:6px;border-radius:999px;background:#332E36;overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:var(--copper)}
.bar.sage span{background:var(--sage)}
.metric-note{display:flex;align-items:center;gap:10px;margin-top:22px;font-size:13px;color:#A9A2A8}
.status-badge{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;border-radius:999px;border:1px solid rgba(140,180,160,.5);background:rgba(92,122,107,.18);color:#A8C7B7;font-size:12px}
.status-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sage)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.bento-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;padding:26px;display:flex;flex-direction:column;transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease)}
.bento-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(138,100,120,.45)}
.bento-item.lg{grid-column:span 3}
.bento-item.sm{grid-column:span 2}
.bento-item .idx{font-size:12px;letter-spacing:.16em;color:var(--copper);margin-bottom:14px}
.bento-item h3{font-size:19px;margin-bottom:10px}
.bento-item p{font-size:14px;color:var(--ink-500);margin:0 0 18px}
.bento-item .media{aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:var(--mist);margin-bottom:18px}
.bento-item .media img{width:100%;height:100%;object-fit:cover}
.bento-item .link-arrow{margin-top:auto}

/* video */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden;transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease)}
.video-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(138,100,120,.45)}
.video-cover{position:relative;display:block;aspect-ratio:16/9;background:var(--mist);overflow:hidden}
.video-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.video-card:hover .video-cover img{transform:scale(1.04)}
.play-btn{position:absolute;left:50%;top:50%;width:48px;height:48px;margin:-24px 0 0 -24px;border-radius:50%;border:1px solid rgba(255,255,255,.85);background:rgba(28,26,30,.35);display:flex;align-items:center;justify-content:center;transition:transform .26s var(--ease),background .26s var(--ease)}
.play-btn::after{content:"";width:0;height:0;margin-left:3px;border-left:11px solid #fff;border-top:7px solid transparent;border-bottom:7px solid transparent}
.video-card:hover .play-btn{transform:scale(1.06);background:rgba(138,100,120,.75)}
.duration{position:absolute;right:10px;bottom:10px;padding:2px 8px;border-radius:var(--r-sm);background:rgba(20,17,22,.72);color:#fff;font-size:12px;font-variant-numeric:tabular-nums}
.video-body{padding:18px 20px 20px}
.badge-x{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--r-sm);border:1px solid var(--lilac-600);color:var(--lilac-600);font-size:12px;background:transparent;margin-bottom:10px}
.badge-x.tint{background:var(--lilac-100);border-color:transparent}
.video-body h3{font-size:16px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-body .meta{margin-top:12px;font-size:12px;color:var(--ink-500);display:flex;gap:12px}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden}
.compare-col{padding:34px 30px}
.compare-mid{background:repeating-linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 14px)}
.compare-col h3{font-size:18px;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.compare-col h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--clay)}
.compare-col.plan h3 .dot{background:var(--sage)}
.timeline-list li{position:relative;padding:0 0 18px 20px;font-size:15px;color:var(--ink-700);border-left:1px solid var(--line);margin-left:4px}
.timeline-list li:last-child{padding-bottom:0;border-left-color:transparent}
.timeline-list li::before{content:"";position:absolute;left:-4.5px;top:9px;width:8px;height:8px;border-radius:50%;background:var(--copper)}
.timeline-list li span{display:block;font-size:13px;color:var(--ink-500);margin-top:4px}

/* topics */
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px}
.topic-chip{display:inline-flex;align-items:center;gap:10px;padding:14px 20px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:15px;color:var(--ink-700);transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease)}
.topic-chip:hover{border-color:var(--lilac-600);background:var(--lilac-100);transform:translateY(-2px);color:var(--ink-900)}
.topic-chip em{font-style:normal;font-size:12px;color:var(--copper);font-variant-numeric:tabular-nums}

/* milestone */
.mile{position:relative;padding-left:34px}
.mile::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line)}
.mile-item{position:relative;padding-bottom:36px}
.mile-item:last-child{padding-bottom:0}
.mile-item::before{content:"";position:absolute;left:-31px;top:12px;width:9px;height:9px;border-radius:50%;background:var(--copper);box-shadow:0 0 0 4px var(--porcelain)}
.mile-year{font-size:22px;font-family:'Inter',sans-serif;color:var(--copper);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.mile-item h3{font-size:18px;margin:6px 0 8px}
.mile-item p{font-size:14px;color:var(--ink-500);margin:0;max-width:640px}

/* news */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;align-items:start}
.lead-card{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden;transition:box-shadow .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease)}
.lead-card:hover{box-shadow:var(--sh-2);border-color:rgba(138,100,120,.45);transform:translateY(-2px)}
.lead-link{display:block;color:inherit}
.cover-media{aspect-ratio:16/9;background:var(--mist);overflow:hidden}
.cover-media img{width:100%;height:100%;object-fit:cover}
.lead-body{padding:24px 26px 26px}
.lead-body h3{font-size:20px;line-height:1.5;margin-bottom:10px}
.lead-body p{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.meta{display:flex;gap:14px;font-size:12px;color:var(--ink-500)}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;padding:20px 22px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease)}
.news-item:hover{border-color:rgba(138,100,120,.45);box-shadow:var(--sh-1);transform:translateY(-2px)}
.news-item a{display:block;color:inherit}
.news-item h3{font-size:16px;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{font-size:13px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-md);padding:46px 24px;text-align:center;color:var(--ink-500);font-size:15px;background:#fff}

/* assurance */
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.assure-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.assure-ico{flex:0 0 32px;width:32px;height:32px;border-radius:50%;border:1px solid var(--copper);display:flex;align-items:center;justify-content:center;color:var(--copper);font-size:13px;font-variant-numeric:tabular-nums}
.assure-item h3{font-size:16px;margin-bottom:4px}
.assure-item p{font-size:14px;color:var(--ink-500);margin:0}

/* quick answer */
.quick-list{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden}
.quick-row+.quick-row{border-top:1px solid var(--line)}
.quick-head{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 24px;background:transparent;border:0;text-align:left;font-size:15px;color:var(--ink-900);cursor:pointer;transition:background .18s var(--ease)}
.quick-head:hover{background:var(--mist)}
.quick-head .plus{position:relative;width:14px;height:14px;flex:0 0 14px}
.quick-head .plus::before,.quick-head .plus::after{content:"";position:absolute;background:var(--lilac-600);transition:transform .26s var(--ease)}
.quick-head .plus::before{left:0;top:6px;width:14px;height:1.5px}
.quick-head .plus::after{left:6px;top:0;width:1.5px;height:14px}
.quick-head[aria-expanded="true"] .plus::after{transform:rotate(45deg);opacity:0}
.quick-inner{padding:0 24px 22px;font-size:14px;color:var(--ink-500);background:var(--mist)}

/* faq */
.faq-acc .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden}
.faq-acc .accordion-button{background:#fff;color:var(--ink-900);font-size:16px;font-family:'Noto Serif SC','Songti SC',serif;padding:18px 24px;min-height:56px;box-shadow:none;border-radius:var(--r-md)!important}
.faq-acc .accordion-button:not(.collapsed){background:var(--lilac-100);color:var(--lilac-700)}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(138,100,120,.15);border-color:var(--lilac-600)}
.faq-acc .accordion-body{padding:18px 24px 22px;background:var(--mist);font-size:14px;color:var(--ink-700);line-height:1.85}
.faq-acc .accordion-button::after{width:14px;height:14px;background-size:14px;filter:invert(38%) sepia(9%) saturate(1200%) hue-rotate(280deg)}

/* team */
.team{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:center}
.team-person{display:flex;gap:18px;align-items:center}
.avatar{width:72px;height:72px;flex:0 0 72px;border-radius:50%;background:var(--mist);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:'Noto Serif SC',serif;font-size:22px;color:var(--lilac-600)}
.team-person h3{font-size:18px}
.team-person p{font-size:13px;color:var(--ink-500);margin:4px 0 0}
.team-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.team-steps li{border-top:1px solid var(--ink-900);padding-top:14px}
.team-steps b{display:block;font-size:13px;color:var(--copper);letter-spacing:.1em;margin-bottom:6px}
.team-steps p{font-size:14px;color:var(--ink-500);margin:0}

/* reviews */
.review-track{display:flex;gap:20px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}
.review-card{flex:0 0 340px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;padding:24px}
.stars{display:flex;gap:3px;margin-bottom:14px}
.stars i{width:12px;height:12px;display:block;background:var(--copper);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.review-card p{font-size:14px;color:var(--ink-700);min-height:76px}
.review-card .who{font-size:12px;color:var(--ink-500)}
.review-note{font-size:12px;color:var(--ink-500);margin-top:16px}

/* form */
.inquiry-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-size:13px;color:#B9B2B8;margin-bottom:8px;letter-spacing:.02em}
.form-field input[type=text],.form-field select,.form-field textarea{width:100%;height:46px;border-radius:6px;border:1px solid #3A363C;background:#221F25;color:#fff;padding:0 14px;font-size:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.form-field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-field input::placeholder,.form-field textarea::placeholder{color:#7C757D}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--lilac-600);box-shadow:0 0 0 3px rgba(138,100,120,.25)}
.check-row{display:flex;flex-wrap:wrap;gap:10px}
.check-row label{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border-radius:999px;border:1px solid #3A363C;font-size:13px;color:#CFC8CE;cursor:pointer;margin:0;transition:border-color .18s var(--ease),background .18s var(--ease)}
.check-row label:hover{border-color:var(--lilac-600)}
.check-row input{accent-color:var(--lilac-600)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#A9A2A8;margin:6px 0 20px}
.consent input{margin-top:4px;accent-color:var(--lilac-600)}
.inquiry-side h3{font-size:18px;margin-bottom:16px}
.inquiry-side ol{counter-reset:s;margin:0}
.inquiry-side ol li{position:relative;padding:0 0 18px 34px;font-size:14px;color:#B9B2B8}
.inquiry-side ol li::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;left:0;top:1px;font-size:12px;color:var(--copper);letter-spacing:.1em}
.form-note{margin-top:14px;font-size:13px;color:#A8C7B7}

/* subscribe */
.subscribe{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:38px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.subscribe h2{font-size:20px}
.subscribe p{font-size:14px;color:var(--ink-500);margin:6px 0 0}
.subscribe form{display:flex;gap:10px;flex-wrap:wrap}
.subscribe input{width:280px;height:46px;border-radius:6px;border:1px solid var(--line);background:#fff;padding:0 14px;font-size:14px}
.subscribe input:focus{outline:none;border-color:var(--lilac-600);box-shadow:0 0 0 3px rgba(138,100,120,.15)}

/* footer */
.site-footer{background:var(--ink-900);color:#A9A2A8;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:16px;font-family:'Inter','PingFang SC',sans-serif;font-weight:600;letter-spacing:.02em}
.site-footer p{font-size:13px;line-height:1.85}
.site-footer a{color:#A9A2A8;font-size:13px;display:block;padding:6px 0;transition:color .18s var(--ease)}
.site-footer a:hover{color:#E7DCE3}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:#7C757D}
.footer-brand .logo-mark{color:var(--copper)}
.footer-bottom{border-top:1px solid #2E2A30;padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:#7C757D}
.footer-bottom a{display:inline;font-size:12px}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.in{opacity:1;transform:none}
@keyframes heroUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero h1{animation:heroUp .32s var(--ease) both}
.hero-lead{animation:heroUp .32s var(--ease) .08s both}
.hero-cta{animation:heroUp .32s var(--ease) .16s both}

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

@media (max-width:1199.98px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .metric-grid{grid-template-columns:repeat(3,1fr)}
  .bento-item.lg{grid-column:span 3}
  .bento-item.sm{grid-column:span 3}
}
@media (max-width:991.98px){
  .search-box,.header-actions .text-link{display:none}
  .nav-toggle{display:flex}
  .brand-row{justify-content:space-between}
  .channel-row{display:none}
  .site-header{--nav-h:96px}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 48px}
  .hero-side{max-width:520px}
  .section{padding:72px 0}
  .news-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .compare-mid{height:1px;background:repeating-linear-gradient(to right,var(--line) 0 6px,transparent 6px 14px)}
  .assure-grid{grid-template-columns:1fr}
  .team{grid-template-columns:1fr;gap:28px}
  .inquiry-wrap{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
  .container-x{padding:0 18px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .hero-metric{flex-direction:column}
  .bento{grid-template-columns:1fr}
  .bento-item.lg,.bento-item.sm{grid-column:span 1}
  .video-grid{grid-template-columns:1fr}
  .team-steps{grid-template-columns:1fr}
  .subscribe form{width:100%}
  .subscribe input{width:100%}
  .review-card{flex:0 0 86%}
  .subscribe .btn-x{width:100%}
}
@media (max-width:519.98px){
  .metric-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .logo-name{font-size:15px}
  .logo-sub{font-size:10px}
}

/* roulang page: article */
:root{
  --ink-900:#1C1A1E; --ink-700:#3A363C; --ink-500:#6B656D;
  --porcelain:#FAF8F5; --mist:#F1ECE7; --line:#E3DDD8; --white:#FFFFFF;
  --lilac-600:#8A6478; --lilac-700:#6E4C5D; --lilac-100:#F0E6EA;
  --copper:#B58A5E; --sage:#5C7A6B; --clay:#B4634B;
  --r-sm:4px; --r-md:8px; --r-lg:14px;
  --sh-1:0 1px 2px rgba(28,26,30,.04);
  --sh-2:0 10px 28px rgba(28,26,30,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:112px;
  --bs-primary:#8A6478; --bs-body-color:#3A363C; --bs-body-bg:#FAF8F5;
  --bs-border-color:#E3DDD8; --bs-border-radius:8px; --bs-link-color:#8A6478;
  --bs-link-hover-color:#6E4C5D;
  --bs-font-sans-serif:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --bs-body-font-size:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--porcelain);color:var(--ink-700);
  font-family:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--lilac-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--lilac-700)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;color:var(--ink-900);margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0 0 16px}
[id]{scroll-margin-top:calc(var(--nav-h) + 16px)}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;border-top:1px solid var(--line)}
.section--mist{background:var(--mist)}
.section--tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:40px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,34px)}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:2px;background:var(--lilac-600)}
.sec-sub{font-size:14px;color:var(--ink-500);margin:6px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--lilac-600);margin-bottom:14px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(250,248,245,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand-row{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex:0 0 34px;color:var(--lilac-600)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-family:'Noto Serif SC','Songti SC',serif;font-size:17px;font-weight:600;color:var(--ink-900)}
.logo-sub{font-size:11px;letter-spacing:.18em;color:var(--ink-500)}
.search-box{position:relative;flex:1 1 auto;max-width:400px;margin-left:12px}
.search-box input{width:100%;height:40px;border-radius:6px;border:1px solid var(--line);background:#fff;padding:0 14px 0 38px;font-size:14px;color:var(--ink-900);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.search-box input::placeholder{color:#9C959C}
.search-box input:focus{outline:none;border-color:var(--lilac-600);box-shadow:0 0 0 3px rgba(138,100,120,.15)}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-500)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.header-actions .text-link{font-size:14px;color:var(--ink-700)}
.header-actions .text-link:hover{color:var(--lilac-600)}
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:6px;background:var(--ink-900);color:var(--porcelain);border:1px solid var(--ink-900);font-size:15px;font-weight:500;cursor:pointer;transition:background .26s var(--ease),border-color .26s var(--ease),letter-spacing .26s var(--ease),color .18s var(--ease)}
.btn-x:hover{background:var(--lilac-600);border-color:var(--lilac-600);color:#fff;letter-spacing:.02em}
.btn-x.sm{height:40px;padding:0 16px;font-size:14px}
.btn-ghost{background:transparent;color:var(--ink-900);border:1px solid var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:var(--porcelain);border-color:var(--ink-900)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--lilac-600)}
.link-arrow span{transition:transform .18s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}
.channel-row{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.channel-row::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:999px;border:1px solid transparent;color:var(--ink-500);font-size:14px;white-space:nowrap;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.pill:hover{background:var(--mist);color:var(--ink-900)}
.pill.active{background:var(--lilac-100);color:var(--lilac-600);border-color:var(--lilac-600);font-weight:500}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:6px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;margin-left:auto}
.nav-toggle i{display:block;width:18px;height:1.5px;background:var(--ink-900);transition:transform .26s var(--ease),opacity .26s var(--ease)}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--porcelain);padding:16px 24px 22px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:12px 4px;font-size:15px;color:var(--ink-700);border-bottom:1px solid var(--line)}
.mobile-panel a:hover{color:var(--lilac-600)}
.mobile-panel .btn-x{margin-top:18px;width:100%;border-bottom:0}
/* ---------- article head ---------- */
.article-head{padding:36px 0 44px;background:var(--porcelain);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-500);margin-bottom:20px}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--lilac-600)}
.crumb span.sep{color:#C3BCB8}
.crumb .crumb-now{color:var(--ink-900);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.badge-x{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:4px;border:1px solid var(--lilac-600);background:transparent;color:var(--lilac-600);font-size:12px;letter-spacing:.02em}
.badge-x.soft{background:var(--lilac-100);border-color:transparent;color:var(--lilac-700)}
.badge-x.plain{border-color:var(--line);color:var(--ink-500)}
.article-head h1{font-size:clamp(26px,4vw,44px);line-height:1.18;max-width:22ch;margin-bottom:18px}
.lede{font-size:17px;line-height:1.85;color:var(--ink-500);max-width:760px;margin:0 0 22px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:var(--ink-500);border-top:1px solid var(--line);padding-top:18px}
.meta-row b{font-weight:500;color:var(--ink-700)}
.cover-media{margin:32px 0 0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--mist)}
.cover-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.article-col{min-width:0}
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--ink-700)}
.article-body h1{font-size:clamp(20px,2.2vw,24px);margin:36px 0 14px}
.article-body h2{position:relative;padding-left:16px;font-size:clamp(21px,2.2vw,28px);margin:44px 0 16px;line-height:1.4}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:2px;background:var(--lilac-600)}
.article-body h3{font-size:18px;margin:30px 0 12px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body li{margin:0 0 8px}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:var(--mist);border-left:2px solid var(--lilac-600);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-700)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--lilac-600);border-bottom:1px solid rgba(138,100,120,.35);transition:border-color .18s var(--ease),color .18s var(--ease)}
.article-body a:hover{color:var(--lilac-700);border-bottom-color:var(--lilac-700)}
.article-body img{border-radius:var(--r-md);border:1px solid var(--line);margin:24px 0}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:var(--mist);font-weight:600;color:var(--ink-900)}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:var(--mist);padding:2px 6px;border-radius:var(--r-sm);font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.empty-state{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:48px 32px;text-align:center;max-width:760px}
.empty-state h2{font-size:22px;padding-left:0;margin:0 0 12px}
.empty-state h2::before{display:none}
.empty-state p{color:var(--ink-500)}
.empty-state .btn-x{margin-top:8px}
/* ---------- side ---------- */
.article-side{display:grid;gap:20px;position:sticky;top:calc(var(--nav-h) + 24px)}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1)}
.side-card h2,.side-card h3{font-size:15px;letter-spacing:.04em;margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.keypoints{background:var(--mist);border-color:var(--line)}
.keypoints ol{margin:0;padding-left:18px;font-size:14px;line-height:1.8;color:var(--ink-700)}
.keypoints li{margin-bottom:10px}
.keypoints li:last-child{margin-bottom:0}
.toc-list{list-style:none;margin:0;padding:0;max-height:320px;overflow:auto}
.toc-list li{margin:0}
.toc-list a{display:block;padding:7px 0 7px 14px;border-left:1px solid var(--line);font-size:14px;color:var(--ink-700);line-height:1.5}
.toc-list a:hover{color:var(--lilac-600);border-left-color:var(--lilac-600)}
.toc-list a.active{border-left-color:var(--lilac-600);color:var(--lilac-600);font-weight:500;background:var(--lilac-100)}
.side-cta{background:var(--ink-900);border-color:#2A262B;color:#D9D4D7}
.side-cta h3{color:#fff;border-bottom-color:#2E2A30}
.side-cta p{font-size:14px;color:#A9A2A8;margin-bottom:16px}
.side-cta .btn-x{width:100%;background:var(--porcelain);color:var(--ink-900);border-color:var(--porcelain)}
.side-cta .btn-x:hover{background:var(--lilac-600);border-color:var(--lilac-600);color:#fff}
/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-x{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease)}
.card-x:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(138,100,120,.4)}
.card-media{position:relative;background:var(--mist);overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease)}
.card-x:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--ink-500);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--ink-500);margin-top:auto;padding-top:10px;border-top:1px solid var(--line)}
/* ---------- pager ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:12px}
.pager a{display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;color:var(--ink-700);transition:border-color .26s var(--ease),box-shadow .26s var(--ease)}
.pager a:hover{border-color:var(--lilac-600);box-shadow:var(--sh-2);color:var(--ink-900)}
.pager .pager-k{font-size:12px;letter-spacing:.12em;color:var(--ink-500);display:block;margin-bottom:6px}
.pager .pager-t{font-size:15px;line-height:1.6}
.pager .right{text-align:right}
/* ---------- author / review ---------- */
.author-box{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:28px}
.avatar{width:64px;height:64px;border-radius:50%;background:var(--mist);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--lilac-600);font-family:'Noto Serif SC','Songti SC',serif;font-size:22px}
.author-box h2{font-size:18px;margin:0 0 8px}
.author-box p{font-size:14px;color:var(--ink-500);margin:0 0 12px}
.review-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.review-steps div{border-left:2px solid var(--copper);padding-left:12px;font-size:13px;color:var(--ink-700);line-height:1.7}
.review-steps b{display:block;font-size:12px;letter-spacing:.08em;color:var(--copper);font-weight:600;margin-bottom:2px}
.disclaimer{font-size:13px;color:var(--ink-500);background:var(--mist);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;margin-top:16px}
/* ---------- form ---------- */
.ask-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.form-grid{display:grid;gap:18px}
.field label{display:block;font-size:13px;letter-spacing:.04em;color:var(--ink-500);margin-bottom:8px}
.control{width:100%;min-height:44px;padding:11px 14px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink-900);font-size:15px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.control:focus{outline:none;border-color:var(--lilac-600);box-shadow:0 0 0 3px rgba(138,100,120,.15)}
textarea.control{min-height:120px;resize:vertical}
.form-tip{font-size:13px;color:var(--ink-500);margin:0}
.form-note{font-size:13px;color:var(--clay);margin:8px 0 0}
.ask-side{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:28px}
.ask-side h3{font-size:16px;margin:0 0 14px}
.ask-side ul{margin:0;padding-left:18px;font-size:14px;color:var(--ink-700);line-height:1.8}
.ask-side li{margin-bottom:10px}
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;margin-top:18px}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:#B9B2B8;padding:72px 0 0;border-top:1px solid #2A262B}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .logo-mark{color:var(--copper)}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:#A9A2A8}
.site-footer h3{font-size:14px;letter-spacing:.1em;color:#fff;margin:0 0 16px;font-weight:600;font-family:inherit}
.site-footer a{display:block;color:#B9B2B8;font-size:14px;padding:6px 0}
.site-footer a:hover{color:var(--lilac-100)}
.site-footer p{font-size:14px;line-height:1.85;color:#A9A2A8;margin:0 0 12px}
.footer-bottom{border-top:1px solid #2E2A30;margin-top:48px;padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8D868C}
/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.fade-up.in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--lilac-600);outline-offset:2px}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
  .related-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  :root{--nav-h:96px}
  .section{padding:72px 0}
  .search-box{max-width:240px}
  .header-actions .text-link{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static;grid-template-columns:1fr 1fr;display:grid}
  .side-cta{grid-column:1 / -1}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .ask-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .review-steps{grid-template-columns:1fr}
}
@media (max-width:767px){
  .search-box{display:none}
  .header-actions{display:none}
  .nav-toggle{display:flex}
  .brand-row{min-height:60px}
  .article-head{padding:24px 0 32px}
  .article-head h1{max-width:none}
  .lede{font-size:16px}
  .article-body{max-width:none}
  .article-side{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager .right{text-align:left}
  .author-box{grid-template-columns:1fr;padding:22px}
  .container-x{padding:0 18px}
}
@media (max-width:575px){
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr}
  .crumb .crumb-now{max-width:100%}
  .sec-head{margin-bottom:28px}
  .meta-row{gap:8px 16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .fade-up{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --ink-900:#1C1A1E; --ink-700:#3A363C; --ink-500:#6B656D;
  --porcelain:#FAF8F5; --mist:#F1ECE7; --line:#E3DDD8; --white:#FFFFFF;
  --lilac-600:#8A6478; --lilac-700:#6E4C5D; --lilac-100:#F0E6EA;
  --copper:#B58A5E; --sage:#5C7A6B; --clay:#B4634B;
  --r-sm:4px; --r-md:8px; --r-lg:14px;
  --sh-1:0 1px 2px rgba(28,26,30,.04);
  --sh-2:0 10px 28px rgba(28,26,30,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:112px;
  --bs-primary:#8A6478; --bs-body-color:#3A363C; --bs-body-bg:#FAF8F5;
  --bs-border-color:#E3DDD8; --bs-border-radius:8px; --bs-link-color:#8A6478;
  --bs-link-hover-color:#6E4C5D;
  --bs-font-sans-serif:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --bs-body-font-size:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--porcelain);color:var(--ink-700);
  font-family:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--lilac-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--lilac-700)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;color:var(--ink-900);font-weight:600;letter-spacing:-.01em;margin:0}
p{margin:0 0 1em}
ul,ol{margin:0}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;border-top:1px solid var(--line)}
.section--mist{background:var(--mist)}
.section--tight{padding:0 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:40px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,34px);letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:2px;background:var(--lilac-600)}
.sec-sub{font-size:14.5px;color:var(--ink-500);max-width:520px;margin:8px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--lilac-600);margin-bottom:12px}

/* ---------- 按钮 / 链接 ---------- */
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:6px;background:var(--ink-900);color:var(--porcelain);border:1px solid var(--ink-900);font-size:15px;font-weight:500;cursor:pointer;transition:background .26s var(--ease),border-color .26s var(--ease),letter-spacing .26s var(--ease),color .18s var(--ease)}
.btn-x:hover{background:var(--lilac-600);border-color:var(--lilac-600);color:#fff;letter-spacing:.02em}
.btn-x.sm{height:40px;padding:0 16px;font-size:14px}
.btn-ghost{background:transparent;color:var(--ink-900);border:1px solid var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:var(--porcelain);border-color:var(--ink-900)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--lilac-600)}
.link-arrow span{transition:transform .18s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(250,248,245,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand-row{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex:0 0 34px;color:var(--lilac-600)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-family:'Noto Serif SC','Songti SC',serif;font-size:17px;font-weight:600;color:var(--ink-900);letter-spacing:.01em}
.logo-sub{font-size:11px;letter-spacing:.18em;color:var(--ink-500)}
.search-box{position:relative;flex:1 1 auto;max-width:400px;margin-left:12px}
.search-box input{width:100%;height:40px;border-radius:6px;border:1px solid var(--line);background:#fff;padding:0 14px 0 38px;font-size:14px;color:var(--ink-900);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.search-box input::placeholder{color:#9C959C}
.search-box input:focus{outline:none;border-color:var(--lilac-600);box-shadow:0 0 0 3px rgba(138,100,120,.15)}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-500)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.header-actions .text-link{font-size:14px;color:var(--ink-700)}
.header-actions .text-link:hover{color:var(--lilac-600)}
.channel-row{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.channel-row::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:999px;border:1px solid transparent;color:var(--ink-500);font-size:14px;white-space:nowrap;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.pill:hover{background:var(--mist);color:var(--ink-900)}
.pill.active{background:var(--lilac-100);color:var(--lilac-600);border-color:var(--lilac-600);font-weight:500}

/* ---------- 分类页头 ---------- */
.cat-head{padding:44px 0 34px;background:var(--porcelain);border-bottom:1px solid var(--line)}
.breadcrumb-x{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:22px}
.breadcrumb-x a{color:var(--ink-500)}
.breadcrumb-x a:hover{color:var(--lilac-600)}
.breadcrumb-x .sep{color:#C3BCB9}
.breadcrumb-x [aria-current]{color:var(--ink-900)}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}
.cat-head h1{font-size:clamp(26px,3.4vw,42px);line-height:1.24;margin-bottom:18px}
.cat-lead{font-size:15.5px;color:var(--ink-500);max-width:720px;margin-bottom:10px}
.cat-side{border-left:1px solid var(--line);padding-left:28px}
.side-item{display:flex;align-items:baseline;gap:10px;padding:12px 0;border-bottom:1px dashed var(--line)}
.side-item:last-child{border-bottom:0}
.side-num{font-size:26px;color:var(--copper);font-variant-numeric:tabular-nums;line-height:1}
.side-label{font-size:13px;color:var(--ink-500)}
.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.filter-btn{height:32px;padding:0 15px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink-500);font-size:13.5px;cursor:pointer;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.filter-btn:hover{border-color:var(--lilac-600);color:var(--lilac-600)}
.filter-btn:focus-visible{outline:2px solid var(--lilac-600);outline-offset:2px}
.filter-btn.active{background:var(--lilac-100);border-color:var(--lilac-600);color:var(--lilac-600);font-weight:500}

/* ---------- 概览指标 ---------- */
.metric-wrap{padding:48px 0 0}
.metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.metric{background:var(--porcelain);padding:22px 24px}
.metric-num{display:block;font-size:clamp(22px,2.4vw,30px);color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2;font-weight:500}
.metric-label{font-size:13px;color:var(--ink-500);display:block;margin-top:2px}
.metric-bar{height:6px;background:var(--mist);border-radius:99px;margin-top:14px;overflow:hidden}
.metric-bar i{display:block;height:100%;background:var(--sage);border-radius:99px}
.metric-bar i.alt{background:var(--copper)}

/* ---------- 条目卡片 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.entry-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:box-shadow .26s var(--ease),transform .26s var(--ease),border-color .26s var(--ease)}
.entry-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(138,100,120,.45)}
.card-media{position:relative;aspect-ratio:16/10;background:var(--mist);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.entry-card:hover .card-media img{transform:scale(1.03)}
.media-badge{position:absolute;left:12px;bottom:12px;font-size:12px;padding:3px 10px;border-radius:4px;background:rgba(28,26,30,.78);color:#fff;letter-spacing:.02em}
.media-time{position:absolute;right:12px;bottom:12px;font-size:12px;padding:3px 9px;border-radius:4px;background:rgba(250,248,245,.9);color:var(--ink-900);font-variant-numeric:tabular-nums}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag-x{display:inline-flex;align-self:flex-start;font-size:12px;padding:2px 9px;border:1px solid var(--line);border-radius:4px;color:var(--ink-500);background:var(--porcelain)}
.entry-body h3{font-size:17px;line-height:1.5}
.entry-body p{font-size:14px;color:var(--ink-500);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:#9C959C;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 子专题 ---------- */
.subtopic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:44px}
.subtopic h3{font-size:18px;line-height:1.5;margin-bottom:4px}
.subtopic .subtopic-note{font-size:13px;color:var(--ink-500)}
.line-list{list-style:none;padding:0;margin:14px 0 0}
.line-list li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-700);display:flex;gap:10px;align-items:baseline}
.line-list li:last-child{border-bottom:0}
.line-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--copper);flex:0 0 5px;transform:translateY(-2px)}

/* ---------- 阅读指引 ---------- */
.guide-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;align-items:start}
.guide-intro p{font-size:15px;color:var(--ink-500);max-width:440px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{border-top:1px solid var(--line);padding-top:18px;transition:border-color .26s var(--ease)}
.step:hover{border-top-color:var(--lilac-600)}
.step-no{font-size:12.5px;letter-spacing:.16em;color:var(--copper);font-variant-numeric:tabular-nums}
.step h3{font-size:16.5px;margin:8px 0;line-height:1.5}
.step p{font-size:13.8px;color:var(--ink-500);margin:0}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:880px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:18px;align-items:center;min-height:56px;padding:18px 0;font-size:16px;color:var(--ink-900);font-family:'Noto Serif SC','Songti SC',serif;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--lilac-600);font-size:20px;line-height:1;flex:0 0 auto;transition:transform .26s var(--ease)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--lilac-700)}
.faq-item summary:focus-visible{outline:2px solid var(--lilac-600);outline-offset:3px}
.faq-body{padding:0 0 22px;font-size:14.5px;color:var(--ink-500);max-width:760px;background:transparent}

/* ---------- 审核说明 ---------- */
.audit-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.audit-item{border-top:2px solid var(--lilac-600);padding-top:16px}
.audit-item h3{font-size:15px;margin-bottom:6px}
.audit-item p{font-size:13.5px;color:var(--ink-500);margin:0}

/* ---------- 收口 ---------- */
.cta-band{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--porcelain);padding:34px 36px}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--ink-500);margin:0;max-width:520px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{height:44px;min-width:260px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:0 14px;font-size:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.cta-form input:focus{outline:none;border-color:var(--lilac-600);box-shadow:0 0 0 3px rgba(138,100,120,.15)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#C9C3C7;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.06em;font-family:'Inter','PingFang SC',sans-serif;font-weight:600}
.site-footer a{display:block;color:#B7B0B5;font-size:14px;padding:5px 0;transition:color .18s var(--ease)}
.site-footer a:hover{color:#E9C9D6}
.site-footer p{font-size:13.5px;line-height:1.95;color:#A9A2A8}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo-mark{color:var(--copper);width:32px;height:32px}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:#8E878D}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid #2E2A30;margin-top:44px;padding-top:22px;font-size:12.5px;color:#8E878D}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-head-grid{grid-template-columns:minmax(0,1fr) 240px;gap:32px}
  .guide-grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .search-box{display:none}
  .cat-head{padding:36px 0 28px}
  .cat-head-grid{grid-template-columns:1fr;gap:24px}
  .cat-side{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:16px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .side-item{border-bottom:0;padding:6px 0}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .subtopic-grid{grid-template-columns:1fr;gap:30px}
  .steps{grid-template-columns:1fr;gap:20px}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .audit-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:600px){
  .container-x{padding:0 18px}
  .section{padding:56px 0}
  .brand-row{min-height:62px;gap:12px}
  .logo-name{font-size:15px}
  .logo-sub{font-size:10px;letter-spacing:.12em}
  .header-actions .text-link{display:none}
  .btn-x.sm{height:36px;padding:0 12px;font-size:13px}
  .entry-grid{grid-template-columns:1fr}
  .metric-row{grid-template-columns:1fr}
  .audit-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cat-side{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:24px 20px}
  .cta-form input{min-width:0;width:100%}
  .cta-form{width:100%}
  .cta-form .btn-x{width:100%}
  .sec-head{margin-bottom:28px}
}