/* roulang page: index */
/* ================= 设计系统 ================= */
:root{
  --md-ink:#2C3A36;
  --md-ink-soft:#3B4C47;
  --md-bean:#6E8B5A;
  --md-clay:#C9622F;
  --md-bg:#F7F5F0;
  --md-surface:#FFFFFF;
  --md-soft:#FBFAF7;
  --md-line:#E3DED3;
  --md-line-strong:#CFC8BA;
  --md-text:#3D423F;
  --md-muted:#7A807B;
  --md-radius:2px;
  --md-shadow:0 2px 12px rgba(44,58,54,.08);
  --md-shadow-lg:0 8px 30px rgba(44,58,54,.10);
  --md-ease:cubic-bezier(.22,.61,.36,1);
  --md-space:96px;
  --bs-primary:#2C3A36;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#3D423F;
  --bs-border-color:#E3DED3;
  --bs-border-radius:2px;
  --bs-link-color:#2C3A36;
  --bs-link-hover-color:#6E8B5A;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--md-text);
  background:var(--md-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.serif-font{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;color:var(--md-ink);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
a{color:var(--md-ink);text-decoration:none;transition:color 200ms var(--md-ease);}
a:hover{color:var(--md-bean);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--md-ink);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ================= 容器 ================= */
.container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
.container-narrow{width:100%;max-width:1080px;margin:0 auto;padding:0 24px;}

/* ================= 顶栏 ================= */
.site-header{position:relative;z-index:1030;}
.topbar{background:var(--md-ink);color:#EDE9E0;height:40px;}
.topbar-inner{height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.04em;}
.topbar-brand{font-weight:600;color:#F7F5F0;}
.topbar-tag{color:#B9C2BC;padding-left:10px;border-left:1px solid rgba(237,233,224,.28);}
.topbar-right{display:flex;align-items:center;gap:28px;font-size:14px;}
.topbar-right a{color:#DCD7CB;position:relative;padding-bottom:1px;}
.topbar-right a:hover{color:#FFFFFF;}
.topbar-right a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:#EDE9E0;transition:width 240ms var(--md-ease);}
.topbar-right a:hover::after{width:100%;}

.mainnav{position:sticky;top:0;background:var(--md-bg);border-bottom:1px solid var(--md-line);z-index:1030;transition:box-shadow 220ms var(--md-ease);}
.mainnav.is-stuck{box-shadow:0 1px 0 var(--md-line),0 6px 20px rgba(44,58,54,.05);}
.mainnav-inner{display:flex;align-items:center;gap:32px;height:64px;transition:height 220ms var(--md-ease);}
.mainnav.is-stuck .mainnav-inner{height:54px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid var(--md-ink);border-radius:var(--md-radius);}
.brand-mark svg{width:18px;height:18px;stroke:var(--md-ink);fill:none;stroke-width:1.4;}
.brand-text{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;font-size:21px;font-weight:700;color:var(--md-ink);letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-links a{font-size:15px;letter-spacing:.02em;color:var(--md-text);position:relative;padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--md-ink);transition:width 260ms var(--md-ease);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--md-ink);font-weight:600;}
.btn-consult{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 22px;background:var(--md-ink);color:#F7F5F0;border:1px solid var(--md-ink);border-radius:var(--md-radius);font-size:14px;letter-spacing:.02em;transition:all 220ms var(--md-ease);}
.btn-consult:hover{background:transparent;color:var(--md-ink);}
.nav-toggle{width:40px;height:40px;border:1px solid var(--md-line-strong);background:transparent;border-radius:var(--md-radius);display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;margin-left:auto;}
.nav-toggle span{display:block;width:16px;height:1px;background:var(--md-ink);}

/* 移动端抽屉 */
.mobile-nav{background:var(--md-bg);width:320px;border-left:1px solid var(--md-line);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--md-line);padding:18px 22px;}
.mobile-nav .offcanvas-title{font-family:"Noto Serif SC","Source Han Serif SC",serif;font-size:19px;color:var(--md-ink);}
.mobile-nav .offcanvas-body{padding:18px 22px;}
.mobile-nav-group{margin-bottom:22px;}
.mobile-nav-group h3{font-size:12px;letter-spacing:.12em;color:var(--md-muted);font-family:inherit;font-weight:500;margin-bottom:10px;}
.mobile-nav-group a{display:block;padding:11px 0;border-bottom:1px solid var(--md-line);font-size:15px;color:var(--md-text);}
.mobile-nav-group a.active{color:var(--md-ink);font-weight:600;}

/* ================= 通用板块 ================= */
section{position:relative;}
.section{padding:var(--md-space) 0;}
.section-alt{background:var(--md-surface);}
.section-head{margin-bottom:52px;max-width:820px;}
.section-index{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--md-clay);font-variant-numeric:tabular-nums;margin-bottom:14px;}
.section-title{font-size:36px;line-height:1.3;margin:0 0 16px;position:relative;padding-top:18px;}
.section-title::before{content:"";position:absolute;top:0;left:0;width:40px;height:2px;background:var(--md-clay);}
.section-desc{font-size:16px;color:var(--md-muted);line-height:1.85;margin:0;max-width:760px;}
.title-mask{overflow:hidden;display:block;}
.title-mask .section-title{transform:translateY(100%);transition:transform 620ms var(--md-ease);}
.title-mask.is-visible .section-title{transform:translateY(0);}

/* 按钮 */
.btn-md{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;background:var(--md-ink);color:#F7F5F0;border:1px solid var(--md-ink);border-radius:var(--md-radius);font-size:15px;letter-spacing:.02em;transition:all 220ms var(--md-ease);cursor:pointer;}
.btn-md:hover{background:transparent;color:var(--md-ink);}
.btn-md-ghost{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;background:transparent;color:var(--md-ink);border:1px solid var(--md-line-strong);border-radius:var(--md-radius);font-size:15px;transition:all 220ms var(--md-ease);}
.btn-md-ghost:hover{border-color:var(--md-ink);color:var(--md-ink);}
.btn-text{position:relative;display:inline-block;font-size:14px;color:var(--md-ink);padding-bottom:3px;}
.btn-text::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--md-ink);transition:width 260ms var(--md-ease);}
.btn-text:hover::after{width:100%;}
.btn-sm-md{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;background:var(--md-ink);color:#F7F5F0;border:1px solid var(--md-ink);border-radius:var(--md-radius);font-size:14px;transition:all 220ms var(--md-ease);cursor:pointer;}
.btn-sm-md:hover{background:transparent;color:var(--md-ink);}

/* 标签 */
.tag{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--md-bean);border:1px solid rgba(110,139,90,.4);border-radius:var(--md-radius);padding:2px 8px;line-height:1.6;}
.tag-clay{color:var(--md-clay);border-color:rgba(201,98,47,.4);}
.tag-ink{color:var(--md-ink);border-color:var(--md-line-strong);}

/* ================= Hero ================= */
.hero{padding:72px 0 88px;background:var(--md-bg);}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.1em;color:var(--md-muted);margin-bottom:22px;}
.hero-kicker::before{content:"";width:26px;height:1px;background:var(--md-clay);}
.hero-title{font-size:56px;line-height:1.15;margin:0 0 24px;letter-spacing:-.01em;}
.hero-pain{font-size:17px;color:var(--md-clay);margin:0 0 14px;font-weight:500;}
.hero-lead{font-size:16px;line-height:1.9;color:var(--md-muted);max-width:660px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-bottom:40px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--md-line);padding-top:22px;max-width:660px;}
.hero-metrics div{flex:1 1 0;min-width:130px;padding-right:20px;border-right:1px solid var(--md-line);}
.hero-metrics div:last-child{border-right:0;}
.hero-metrics strong{display:block;font-size:22px;font-family:"Noto Serif SC",serif;color:var(--md-ink);font-variant-numeric:tabular-nums;}
.hero-metrics span{font-size:13px;color:var(--md-muted);}
.hero-media{position:relative;}
.hero-frame{position:relative;overflow:hidden;border:1px solid var(--md-line);border-radius:var(--md-radius);background:#E8E4DA;aspect-ratio:16/10;}
.hero-frame img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--md-ease);}
.hero-frame:hover img{transform:scale(1.02);}
.hero-card{position:relative;margin-top:-56px;margin-left:28px;background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:24px 26px;box-shadow:var(--md-shadow);max-width:400px;}
.hero-card h3{font-size:17px;margin-bottom:14px;}
.hero-card ul li{display:flex;justify-content:space-between;gap:14px;font-size:14px;padding:9px 0;border-bottom:1px solid var(--md-line);color:var(--md-muted);}
.hero-card ul li:last-child{border-bottom:0;}
.hero-card ul li b{color:var(--md-ink);font-variant-numeric:tabular-nums;font-weight:600;}

/* ================= 检索入口 ================= */
.search-section{padding:0 0 8px;}
.searchbar{background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:26px 30px;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;}
.search-form{display:flex;flex:1 1 380px;gap:0;border:1px solid var(--md-line-strong);border-radius:var(--md-radius);overflow:hidden;background:var(--md-soft);}
.search-form input{flex:1;border:0;background:transparent;padding:13px 16px;font-size:15px;outline:none;}
.search-form button{border:0;background:var(--md-ink);color:#F7F5F0;padding:0 26px;font-size:14px;cursor:pointer;transition:opacity 200ms var(--md-ease);}
.search-form button:hover{opacity:.86;}
.hot-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:14px;}
.hot-tags-label{color:var(--md-muted);font-size:13px;letter-spacing:.06em;}
.hot-tags a{color:var(--md-text);border-bottom:1px solid var(--md-line-strong);padding-bottom:1px;}
.hot-tags a:hover{color:var(--md-ink);border-color:var(--md-ink);}

/* ================= 卡片通用 ================= */
.card-md{background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:28px;height:100%;transition:all 220ms var(--md-ease);}
.card-md:hover{background:var(--md-soft);border-color:var(--md-ink);transform:translateY(-2px);box-shadow:var(--md-shadow);}
.card-md h3{font-size:22px;margin-bottom:12px;}
.card-md p{font-size:15px;color:var(--md-muted);margin-bottom:18px;}
.card-no{display:block;font-size:12px;letter-spacing:.14em;color:var(--md-clay);margin-bottom:14px;font-variant-numeric:tabular-nums;}
.card-md-lg{padding:36px;}
.card-md-lg h3{font-size:26px;}

/* ================= 数据 ================= */
.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--md-line);border-bottom:1px solid var(--md-line);}
.stat-item{padding:44px 26px;border-right:1px solid var(--md-line);}
.stat-item:last-child{border-right:0;}
.stat-item strong{display:block;font-family:"Noto Serif SC",serif;font-size:44px;line-height:1.1;color:var(--md-ink);font-variant-numeric:tabular-nums;margin-bottom:10px;}
.stat-item strong i{font-style:normal;font-size:20px;margin-left:4px;color:var(--md-bean);}
.stat-item span{font-size:14px;color:var(--md-muted);}

/* ================= 入口矩阵 ================= */
.entry-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;border-top:1px solid var(--md-line);}
.entry-item{display:flex;align-items:center;gap:16px;padding:22px 0;border-bottom:1px solid var(--md-line);transition:all 220ms var(--md-ease);}
.entry-item:hover{padding-left:8px;}
.entry-item .entry-no{font-size:12px;color:var(--md-clay);font-variant-numeric:tabular-nums;letter-spacing:.1em;}
.entry-item .entry-name{font-size:17px;font-family:"Noto Serif SC",serif;color:var(--md-ink);}
.entry-item .entry-sub{font-size:13px;color:var(--md-muted);margin-left:auto;text-align:right;}
.entry-arrow{margin-left:14px;color:var(--md-line-strong);transition:all 220ms var(--md-ease);}
.entry-item:hover .entry-arrow{color:var(--md-ink);transform:translateX(4px);}

/* ================= 精选轨道 ================= */
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,1fr);gap:24px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
.rail::-webkit-scrollbar{height:4px;}
.rail::-webkit-scrollbar-thumb{background:var(--md-line-strong);}
.rail-item{scroll-snap-align:start;}
.thumb{position:relative;overflow:hidden;border-radius:var(--md-radius);border:1px solid var(--md-line);background:#E8E4DA;aspect-ratio:16/9;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--md-ease);}
.rail-item:hover .thumb img,.case-item:hover .thumb img{transform:scale(1.04);}
.rail-body{padding:18px 2px 0;}
.rail-body h3{font-size:19px;margin-bottom:8px;}
.rail-body p{font-size:14px;color:var(--md-muted);margin:0;}
.rail-meta{display:flex;gap:14px;align-items:center;font-size:13px;color:var(--md-muted);margin-top:12px;}

/* ================= 图文交替 ================= */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split+.split{margin-top:72px;}
.split-media{overflow:hidden;border:1px solid var(--md-line);border-radius:var(--md-radius);background:#E8E4DA;aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--md-ease);}
.split-media:hover img{transform:scale(1.02);}
.split-body h3{font-size:26px;margin-bottom:16px;}
.split-body p{font-size:15px;color:var(--md-muted);}
.point-list li{display:flex;gap:12px;font-size:15px;padding:9px 0;color:var(--md-text);}
.point-list li::before{content:"";flex-shrink:0;width:6px;height:6px;margin-top:11px;background:var(--md-bean);}

/* ================= 流程 ================= */
.flow{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.flow::before{content:"";position:absolute;top:15px;left:6%;right:6%;height:1px;background:rgba(227,222,211,.45);}
.flow-step{position:relative;padding-top:48px;}
.flow-step::before{content:"";position:absolute;top:9px;left:0;width:13px;height:13px;border-radius:50%;background:var(--md-bg);border:1px solid var(--md-bean);}
.flow-step .flow-no{font-size:12px;letter-spacing:.12em;color:var(--md-clay);font-variant-numeric:tabular-nums;}
.flow-step h3{font-size:18px;color:#F7F5F0;margin:8px 0 10px;}
.flow-step p{font-size:14px;color:#C3CBC6;margin:0;line-height:1.75;}
.flow-section{background:var(--md-ink);padding:var(--md-space) 0;position:relative;color:#DCE0DD;}
.flow-section::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.jpg');background-size:cover;background-position:center;opacity:.13;}
.flow-section>.container-wide{position:relative;z-index:1;}
.flow-section .section-index{color:var(--md-clay);}
.flow-section .section-title{color:#F7F5F0;}
.flow-section .section-desc{color:#B9C2BC;}

/* ================= 案例墙 ================= */
.case-item{position:relative;overflow:hidden;border:1px solid var(--md-line);border-radius:var(--md-radius);background:#E8E4DA;aspect-ratio:16/9;}
.case-item img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--md-ease);}
.case-overlay{position:absolute;left:0;right:0;bottom:0;padding:20px 22px;background:linear-gradient(180deg,rgba(44,58,54,0) 0%,rgba(44,58,54,.88) 100%);color:#F7F5F0;transform:translateY(calc(100% - 82px));transition:transform 340ms var(--md-ease);}
.case-item:hover .case-overlay{transform:translateY(0);}
.case-overlay h3{font-size:18px;color:#F7F5F0;margin-bottom:6px;}
.case-overlay p{font-size:13px;color:#D6DCD8;margin:0;line-height:1.7;}
.case-overlay .case-tagline{display:flex;gap:10px;font-size:12px;color:#AEB8B2;margin-top:10px;}

/* ================= 排行榜 ================= */
.rank-list{border-top:1px solid var(--md-line);}
.rank-item{display:flex;align-items:center;gap:20px;padding:18px 4px;border-bottom:1px solid var(--md-line);transition:all 200ms var(--md-ease);}
.rank-item:hover{background:var(--md-soft);padding-left:12px;}
.rank-no{width:44px;flex-shrink:0;font-family:"Noto Serif SC",serif;font-size:20px;color:var(--md-line-strong);font-variant-numeric:tabular-nums;}
.rank-item:nth-child(-n+3) .rank-no{color:var(--md-clay);}
.rank-name{font-size:16px;color:var(--md-ink);flex:1 1 auto;min-width:0;}
.rank-name small{display:block;font-size:13px;color:var(--md-muted);font-weight:400;font-family:"Noto Serif SC",serif;}
.rank-metrics{display:flex;gap:26px;font-size:13px;color:var(--md-muted);font-variant-numeric:tabular-nums;flex-shrink:0;}
.rank-metrics b{color:var(--md-text);font-weight:600;}
.trend{font-size:12px;padding:1px 8px;border:1px solid rgba(110,139,90,.45);color:var(--md-bean);border-radius:var(--md-radius);}
.trend.flat{border-color:var(--md-line-strong);color:var(--md-muted);}

/* ================= 保障条 ================= */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guard-item{background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:26px 24px;transition:all 220ms var(--md-ease);}
.guard-item:hover{border-color:var(--md-ink);transform:translateY(-2px);box-shadow:var(--md-shadow);}
.guard-icon{width:30px;height:30px;margin-bottom:18px;}
.guard-icon svg{width:100%;height:100%;stroke:var(--md-ink);fill:none;stroke-width:1.2;}
.guard-item h3{font-size:17px;margin-bottom:8px;}
.guard-item p{font-size:14px;color:var(--md-muted);margin:0;}

/* ================= 资讯 ================= */
.news-main{border:1px solid var(--md-line);border-radius:var(--md-radius);background:var(--md-surface);overflow:hidden;height:100%;transition:all 220ms var(--md-ease);}
.news-main:hover{border-color:var(--md-ink);box-shadow:var(--md-shadow);}
.news-main .thumb{border:0;border-radius:0;border-bottom:1px solid var(--md-line);}
.news-main-body{padding:26px 28px;}
.news-main-body h3{font-size:24px;margin-bottom:12px;}
.news-main-body p{font-size:15px;color:var(--md-muted);}
.news-date{font-size:13px;color:var(--md-muted);font-variant-numeric:tabular-nums;}
.news-list{border-top:1px solid var(--md-line);}
.news-list li{display:flex;gap:18px;padding:16px 0;border-bottom:1px solid var(--md-line);align-items:baseline;}
.news-list time{flex-shrink:0;font-size:13px;color:var(--md-muted);font-variant-numeric:tabular-nums;}
.news-list a{font-size:15px;color:var(--md-text);}
.news-list a:hover{color:var(--md-ink);}

/* ================= 合作伙伴 ================= */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--md-line);border:1px solid var(--md-line);}
.partner-cell{background:var(--md-surface);aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;font-size:14px;color:var(--md-muted);transition:all 240ms var(--md-ease);}
.partner-cell span{filter:grayscale(1);transition:all 240ms var(--md-ease);}
.partner-cell:hover span{filter:grayscale(0);color:var(--md-ink);}

/* ================= FAQ ================= */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--md-line);}
.faq-q{display:flex;align-items:flex-start;gap:16px;padding:22px 40px 22px 0;cursor:pointer;position:relative;font-family:"Noto Serif SC",serif;font-size:18px;color:var(--md-ink);background:transparent;border:0;width:100%;text-align:left;line-height:1.6;}
.faq-q .q-no{flex-shrink:0;font-size:13px;color:var(--md-clay);font-variant-numeric:tabular-nums;padding-top:5px;letter-spacing:.08em;}
.faq-q::after{content:"";position:absolute;right:8px;top:32px;width:9px;height:9px;border-right:1px solid var(--md-ink);border-bottom:1px solid var(--md-ink);transform:rotate(45deg);transition:transform 260ms var(--md-ease);}
.faq-q[aria-expanded="true"]::after{transform:rotate(-135deg);top:36px;}
.faq-a{padding:0 40px 24px 45px;font-size:15px;color:var(--md-muted);border-left:2px solid var(--md-bean);margin-left:3px;display:none;}
.faq-item.is-open .faq-a{display:block;}

/* ================= 联系 ================= */
.contact-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;}
.field{margin-bottom:24px;}
.field label{display:block;font-size:14px;color:var(--md-muted);margin-bottom:6px;}
.field .req{color:var(--md-clay);margin-left:4px;}
.field input,.field select,.field textarea{width:100%;border:0;border-bottom:1px solid var(--md-line-strong);background:transparent;padding:11px 0;font-size:15px;color:var(--md-text);border-radius:0;transition:all 180ms var(--md-ease);}
.field textarea{resize:vertical;min-height:96px;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--md-ink);box-shadow:0 2px 0 0 var(--md-ink);}
.form-note{font-size:13px;color:var(--md-muted);margin-top:14px;}
.form-msg{margin-top:18px;font-size:14px;color:var(--md-bean);display:none;}
.contact-info{background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:32px 30px;height:100%;}
.contact-info h3{font-size:20px;margin-bottom:20px;}
.contact-info dl{margin:0;}
.contact-info dt{font-size:13px;color:var(--md-muted);letter-spacing:.06em;margin-top:18px;}
.contact-info dt:first-child{margin-top:0;}
.contact-info dd{margin:6px 0 0;font-size:15px;color:var(--md-text);font-variant-numeric:tabular-nums;}

/* ================= 页脚 ================= */
.site-footer{background:var(--md-ink);color:#C7CFC9;padding:72px 0 0;margin-top:0;}
.footer-cols{padding-bottom:52px;}
.footer-col h3{font-size:15px;color:#F7F5F0;margin-bottom:18px;font-family:"Noto Serif SC",serif;letter-spacing:.02em;}
.footer-col p{font-size:14px;color:#A8B2AC;line-height:1.8;}
.footer-col li{padding:6px 0;}
.footer-col li a{font-size:14px;color:#C7CFC9;}
.footer-col li a:hover{color:var(--md-bean);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{border-color:rgba(237,233,224,.4);}
.footer-brand .brand-mark svg{stroke:#EDE9E0;}
.footer-brand .brand-text{color:#F7F5F0;}
.footer-bottom{border-top:1px solid rgba(237,233,224,.16);padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#96A09A;}
.footer-bottom a{color:#96A09A;}
.footer-bottom a:hover{color:var(--md-bean);}

/* ================= 动效 ================= */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms var(--md-ease),transform 420ms var(--md-ease);transition-delay:calc(var(--d,0) * 60ms);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ================= 响应式 ================= */
@media (max-width:1399.98px){
  .hero-title{font-size:50px;}
  .container-wide{padding:0 22px;}
}
@media (max-width:1199.98px){
  :root{--md-space:80px;}
  .hero-title{font-size:44px;}
  .stat-item strong{font-size:38px;}
}
@media (max-width:991.98px){
  :root{--md-space:72px;}
  .nav-links,.btn-consult{display:none;}
  .nav-toggle{display:flex;}
  .topbar-right{gap:18px;font-size:13px;}
  .topbar-right a:nth-child(4){display:none;}
  .hero{padding:48px 0 64px;}
  .hero-title{font-size:38px;}
  .hero-media{margin-top:36px;}
  .hero-card{margin:20px 0 0;max-width:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split+.split{margin-top:52px;}
  .flow{grid-template-columns:1fr;gap:0;}
  .flow::before{top:0;bottom:0;left:6px;right:auto;width:1px;height:auto;}
  .flow-step{padding:0 0 28px 34px;}
  .flow-step::before{top:6px;left:0;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-bottom:1px solid var(--md-line);}
  .stat-item:nth-child(2n){border-right:0;}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .partner-grid{grid-template-columns:repeat(3,1fr);}
  .contact-wrap{grid-template-columns:1fr;gap:36px;}
  .section-title{font-size:30px;}
  .entry-list{grid-template-columns:1fr;gap:0;}
  .flow-section::before{opacity:.1;}
}
@media (max-width:767.98px){
  :root{--md-space:56px;}
  body{font-size:15px;}
  .hero{padding:36px 0 52px;}
  .hero-title{font-size:31px;}
  .hero-lead{font-size:15px;}
  .section-title{font-size:26px;}
  .section-head{margin-bottom:32px;}
  .card-md-lg{padding:26px;}
  .rank-metrics{display:none;}
  .rank-name{font-size:15px;}
  .news-main-body{padding:20px;}
  .partner-grid{grid-template-columns:repeat(2,1fr);}
  .guard-grid{grid-template-columns:1fr;}
  .searchbar{padding:20px;flex-direction:column;align-items:stretch;}
  .search-form{flex:1 1 auto;}
  .hero-metrics div{flex:1 1 45%;border-right:0;border-bottom:1px solid var(--md-line);padding:12px 0;}
  .hero-metrics div:last-child{border-bottom:0;}
  .topbar-tag{display:none;}
  .topbar-right a:nth-child(3){display:none;}
  .footer-bottom{flex-direction:column;}
  .case-overlay{transform:translateY(0);position:static;background:transparent;color:var(--md-text);padding:16px 4px;}
  .case-overlay h3{color:var(--md-ink);}
  .case-overlay p{color:var(--md-muted);}
  .case-item{aspect-ratio:auto;}
  .case-item img{aspect-ratio:16/9;}
  .faq-a{padding-left:24px;}
}
@media (max-width:519.98px){
  .hero-title{font-size:27px;}
  .topbar-right{gap:14px;font-size:12px;}
  .rail{grid-auto-columns:82%;}
  .stat-item{padding:30px 18px;}
  .stat-item strong{font-size:32px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
  .title-mask .section-title{transform:none;}
}

/* roulang page: category1 */
:root{
  --md-ink:#2C3A36;
  --md-ink-soft:#3B4C47;
  --md-bean:#6E8B5A;
  --md-clay:#C9622F;
  --md-bg:#F7F5F0;
  --md-surface:#FFFFFF;
  --md-soft:#FBFAF7;
  --md-line:#E3DED3;
  --md-line-strong:#CFC8BA;
  --md-text:#3D423F;
  --md-muted:#7A807B;
  --md-radius:2px;
  --md-shadow:0 2px 12px rgba(44,58,54,.08);
  --md-shadow-lg:0 8px 30px rgba(44,58,54,.10);
  --md-ease:cubic-bezier(.22,.61,.36,1);
  --md-space:96px;
  --bs-primary:#2C3A36;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#3D423F;
  --bs-border-color:#E3DED3;
  --bs-border-radius:2px;
  --bs-link-color:#2C3A36;
  --bs-link-hover-color:#6E8B5A;
}
@media (max-width:1199.98px){:root{--md-space:72px;}}
@media (max-width:767.98px){:root{--md-space:56px;}}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--md-text);
  background:var(--md-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.serif{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;}
a{color:var(--md-ink);text-decoration:none;transition:color 200ms var(--md-ease);}
a:hover{color:var(--md-bean);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
:focus-visible{outline:2px solid var(--md-ink);outline-offset:2px;}

/* ============ 容器 ============ */
.container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
.container-narrow{width:100%;max-width:1080px;margin:0 auto;padding:0 24px;}

/* ============ 顶栏 ============ */
.site-header{position:relative;z-index:1030;}
.topbar{background:var(--md-ink);color:#EDE9E0;height:40px;}
.topbar-inner{height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.04em;}
.topbar-brand{font-weight:600;color:#F7F5F0;}
.topbar-tag{color:#B9C2BC;padding-left:10px;border-left:1px solid rgba(237,233,224,.28);}
.topbar-right{display:flex;align-items:center;gap:28px;font-size:14px;}
.topbar-right a{color:#DCD7CB;position:relative;padding-bottom:1px;}
.topbar-right a:hover{color:#FFFFFF;}
.topbar-right a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:#EDE9E0;transition:width 240ms var(--md-ease);}
.topbar-right a:hover::after{width:100%;}
.mainnav{position:sticky;top:0;background:var(--md-bg);border-bottom:1px solid var(--md-line);z-index:1030;transition:box-shadow 220ms var(--md-ease);}
.mainnav.is-stuck{box-shadow:0 1px 0 var(--md-line),0 6px 20px rgba(44,58,54,.05);}
.mainnav-inner{display:flex;align-items:center;gap:32px;height:64px;transition:height 220ms var(--md-ease);}
.mainnav.is-stuck .mainnav-inner{height:54px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid var(--md-ink);border-radius:var(--md-radius);}
.brand-mark svg{width:18px;height:18px;stroke:var(--md-ink);fill:none;stroke-width:1.4;}
.brand-text{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;font-size:21px;font-weight:700;color:var(--md-ink);letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-links a{font-size:15px;letter-spacing:.02em;color:var(--md-text);position:relative;padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--md-ink);transition:width 260ms var(--md-ease);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--md-ink);font-weight:600;}
.btn-consult{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 22px;background:var(--md-ink);color:#F7F5F0;border:1px solid var(--md-ink);border-radius:var(--md-radius);font-size:14px;letter-spacing:.02em;transition:all 220ms var(--md-ease);}
.btn-consult:hover{background:transparent;color:var(--md-ink);}
.nav-toggle{width:40px;height:40px;border:1px solid var(--md-line-strong);background:transparent;border-radius:var(--md-radius);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;margin-left:auto;}
.nav-toggle span{display:block;width:16px;height:1px;background:var(--md-ink);}
.mobile-nav{background:var(--md-bg);width:320px;max-width:88vw;border-left:1px solid var(--md-line);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--md-line);padding:18px 22px;}
.mobile-nav .offcanvas-title{font-family:"Noto Serif SC","Source Han Serif SC",serif;font-size:19px;color:var(--md-ink);}
.mobile-nav .offcanvas-body{padding:18px 22px;}
.mobile-nav-group{margin-bottom:22px;}
.mobile-nav-group h3{font-size:12px;letter-spacing:.12em;color:var(--md-muted);font-family:inherit;font-weight:500;margin-bottom:10px;}
.mobile-nav-group a{display:block;padding:11px 0;border-bottom:1px solid var(--md-line);font-size:15px;color:var(--md-text);}
.mobile-nav-group a.active{color:var(--md-ink);font-weight:600;}

/* ============ 通用 ============ */
.section{padding:var(--md-space) 0;}
.section-alt{background:var(--md-surface);}
.section-head{margin-bottom:52px;max-width:820px;}
.section-index{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--md-clay);font-variant-numeric:tabular-nums;margin-bottom:14px;}
.section-title{font-size:36px;line-height:1.3;margin:0 0 16px;position:relative;padding-top:18px;color:var(--md-ink);font-weight:700;}
.section-title::before{content:"";position:absolute;top:0;left:0;width:40px;height:2px;background:var(--md-clay);}
.section-desc{font-size:16px;color:var(--md-muted);line-height:1.85;margin:0;max-width:760px;}
.title-mask{overflow:hidden;display:block;padding-top:2px;}
.title-mask .section-title{transform:translateY(110%);transition:transform 620ms var(--md-ease);}
.title-mask.is-visible .section-title{transform:translateY(0);}
.rule{height:1px;background:var(--md-line);border:0;opacity:1;margin:0;}

/* ============ 按钮 ============ */
.btn-md{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;background:var(--md-ink);color:#F7F5F0;border:1px solid var(--md-ink);border-radius:var(--md-radius);font-size:15px;letter-spacing:.02em;transition:all 220ms var(--md-ease);cursor:pointer;}
.btn-md:hover{background:transparent;color:var(--md-ink);}
.btn-md-ghost{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;background:transparent;color:var(--md-ink);border:1px solid var(--md-line-strong);border-radius:var(--md-radius);font-size:15px;transition:all 220ms var(--md-ease);}
.btn-md-ghost:hover{border-color:var(--md-ink);background:var(--md-soft);color:var(--md-ink);}
.btn-text{position:relative;display:inline-block;font-size:15px;color:var(--md-ink);padding-bottom:3px;}
.btn-text::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--md-clay);transition:width 280ms var(--md-ease);}
.btn-text:hover::after{width:100%;}

/* ============ 分类页头 ============ */
.cat-head{padding:40px 0 0;background:var(--md-bg);}
.crumb{font-size:14px;color:var(--md-muted);margin-bottom:26px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--md-muted);}
.crumb a:hover{color:var(--md-ink);}
.crumb span.sep{color:var(--md-line-strong);}
.cat-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--md-clay);border:1px solid var(--md-clay);border-radius:var(--md-radius);padding:4px 12px;margin-bottom:20px;}
.cat-h1{font-size:52px;line-height:1.18;font-weight:700;letter-spacing:-.01em;color:var(--md-ink);margin:0 0 22px;max-width:16em;}
.cat-h1 .h-mark{display:block;width:40px;height:2px;background:var(--md-clay);margin-bottom:18px;}
.cat-lead{font-size:17px;line-height:1.9;color:var(--md-text);max-width:660px;margin:0 0 30px;}
.cat-lead strong{color:var(--md-ink);font-weight:600;}
.cat-actions{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-bottom:44px;}
.cat-stats{border-left:1px solid var(--md-line);padding-left:32px;display:flex;flex-direction:column;gap:22px;}
.cat-stat .cs-num{font-family:"Noto Serif SC",serif;font-size:30px;font-weight:700;color:var(--md-ink);line-height:1.2;font-variant-numeric:tabular-nums;}
.cat-stat .cs-label{font-size:14px;color:var(--md-muted);display:block;margin-top:4px;}

/* ============ 筛选条 ============ */
.filterbar{padding:20px 0;border-top:1px solid var(--md-line);border-bottom:1px solid var(--md-line);display:flex;flex-wrap:wrap;gap:18px 24px;align-items:center;justify-content:space-between;}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{display:inline-flex;align-items:center;height:36px;padding:0 16px;font-size:14px;color:var(--md-text);background:transparent;border:1px solid var(--md-line-strong);border-radius:var(--md-radius);cursor:pointer;transition:all 200ms var(--md-ease);}
.chip:hover{border-color:var(--md-ink);color:var(--md-ink);}
.chip.active{background:var(--md-ink);border-color:var(--md-ink);color:#F7F5F0;}
.select-group{display:flex;flex-wrap:wrap;gap:12px;}
.md-select{height:36px;padding:0 12px;font-size:14px;color:var(--md-text);background:var(--md-surface);border:1px solid var(--md-line-strong);border-radius:var(--md-radius);min-width:132px;}
.md-select:focus{outline:none;border-color:var(--md-ink);box-shadow:0 0 0 2px rgba(44,58,54,.12);}

/* ============ 条目卡片 ============ */
.entry-card{background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform 220ms var(--md-ease),border-color 220ms var(--md-ease),box-shadow 220ms var(--md-ease),background 220ms var(--md-ease);}
.entry-card:hover{transform:translateY(-2px);border-color:var(--md-ink);background:var(--md-soft);box-shadow:var(--md-shadow);}
.entry-thumb{position:relative;aspect-ratio:16/9;background:#E8E4DA;overflow:hidden;}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 520ms var(--md-ease);}
.entry-card:hover .entry-thumb img{transform:scale(1.02);}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.entry-title{font-size:18px;line-height:1.5;font-weight:600;color:var(--md-ink);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-desc{font-size:14px;line-height:1.8;color:var(--md-muted);margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.entry-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--md-line);}
.tag{display:inline-flex;align-items:center;font-size:12px;letter-spacing:.06em;color:var(--md-bean);border:1px solid rgba(110,139,90,.4);border-radius:var(--md-radius);padding:3px 10px;background:rgba(110,139,90,.06);}
.entry-date{font-size:13px;color:var(--md-muted);font-variant-numeric:tabular-nums;}

/* ============ 侧栏 ============ */
.side-block{background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:24px;margin-bottom:24px;}
.side-block h3{font-size:17px;color:var(--md-ink);margin:0 0 16px;padding-bottom:14px;border-bottom:1px solid var(--md-line);font-weight:600;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.side-list li{padding:11px 0;border-bottom:1px solid var(--md-line);font-size:15px;}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{display:flex;align-items:center;justify-content:space-between;}
.side-list a::after{content:"→";font-size:13px;color:var(--md-muted);transition:transform 200ms var(--md-ease);}
.side-list a:hover::after{transform:translateX(3px);color:var(--md-bean);}
.side-contact p{font-size:14px;color:var(--md-muted);margin:0 0 8px;line-height:1.8;}
.side-contact p b{color:var(--md-ink);font-weight:600;}
.side-contact .btn-md{width:100%;margin-top:16px;}
.side-note{background:var(--md-ink);color:#EDE9E0;border:1px solid var(--md-ink);border-radius:var(--md-radius);padding:24px;margin-bottom:24px;}
.side-note h3{color:#F7F5F0;font-size:17px;margin:0 0 12px;}
.side-note p{font-size:14px;line-height:1.85;color:#C7CEC8;margin:0;}

/* ============ 精选推荐 ============ */
.feature-item{display:grid;grid-template-columns:1.05fr 1fr;gap:0;background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);overflow:hidden;margin-bottom:24px;transition:border-color 220ms var(--md-ease),box-shadow 220ms var(--md-ease);}
.feature-item:hover{border-color:var(--md-ink);box-shadow:var(--md-shadow);}
.feature-thumb{aspect-ratio:16/9;background:#E8E4DA;overflow:hidden;}
.feature-thumb img{width:100%;height:100%;object-fit:cover;}
.feature-body{padding:34px 38px;display:flex;flex-direction:column;justify-content:center;}
.feature-body h3{font-size:24px;line-height:1.4;color:var(--md-ink);margin:12px 0 14px;font-weight:700;}
.feature-body p{font-size:15px;color:var(--md-muted);line-height:1.85;margin:0 0 20px;}

/* ============ 数据速览 ============ */
.stat-band{background:var(--md-surface);border-top:1px solid var(--md-line);border-bottom:1px solid var(--md-line);}
.stat-band-head{margin-bottom:44px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--md-line);border:1px solid var(--md-line);}
.stat-item{background:var(--md-surface);padding:32px 26px;}
.stat-num{font-family:"Noto Serif SC",serif;font-size:42px;font-weight:700;color:var(--md-ink);line-height:1.1;font-variant-numeric:tabular-nums;display:block;}
.stat-unit{font-size:15px;color:var(--md-muted);margin-left:4px;font-family:inherit;font-weight:400;}
.stat-label{display:block;font-size:14px;color:var(--md-muted);margin-top:10px;}
.stat-note{font-size:14px;color:var(--md-muted);margin:24px 0 0;}

/* ============ 流程 ============ */
.step-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step-item{background:var(--md-surface);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:30px 26px;position:relative;transition:border-color 220ms var(--md-ease),transform 220ms var(--md-ease);}
.step-item:hover{border-color:var(--md-ink);transform:translateY(-2px);}
.step-no{font-family:"Noto Serif SC",serif;font-size:15px;color:var(--md-clay);letter-spacing:.08em;display:block;margin-bottom:14px;font-variant-numeric:tabular-nums;}
.step-item h3{font-size:19px;color:var(--md-ink);margin:0 0 10px;font-weight:600;}
.step-item p{font-size:14px;color:var(--md-muted);line-height:1.85;margin:0;}

/* ============ FAQ ============ */
.md-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--md-line);}
.md-accordion .accordion-item:first-child{border-top:1px solid var(--md-line);}
.md-accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-left:2px solid var(--md-bean);padding-left:18px;}
.md-accordion .accordion-header{margin:0;}
.md-accordion .accordion-button{background:transparent;border:0;box-shadow:none;padding:24px 46px 24px 0;font-family:"Noto Serif SC","Source Han Serif SC",serif;font-size:18px;font-weight:600;color:var(--md-ink);border-radius:0;position:relative;line-height:1.6;}
.md-accordion .accordion-button:not(.collapsed){background:transparent;color:var(--md-ink);}
.md-accordion .accordion-button:focus{box-shadow:none;outline:none;color:var(--md-bean);}
.md-accordion .accordion-button .q-no{font-size:14px;color:var(--md-clay);margin-right:12px;font-variant-numeric:tabular-nums;font-weight:400;}
.md-accordion .accordion-button::after{content:"";position:absolute;right:8px;top:50%;width:0;height:0;margin:0;background-image:none;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--md-ink);transform:translateY(-50%);transition:transform 220ms var(--md-ease);}
.md-accordion .accordion-button.collapsed::after{transform:translateY(-50%) rotate(-90deg);}
.md-accordion .accordion-body{padding:0 60px 26px 0;font-size:15px;line-height:1.9;color:var(--md-muted);}

/* ============ 相关入口 ============ */
.channel-list{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--md-line);border-left:1px solid var(--md-line);}
.channel-item{border-right:1px solid var(--md-line);border-bottom:1px solid var(--md-line);padding:28px 22px;background:var(--md-surface);transition:background 220ms var(--md-ease),color 220ms var(--md-ease);}
.channel-item span{display:block;font-size:12px;letter-spacing:.1em;color:var(--md-clay);margin-bottom:10px;}
.channel-item strong{display:block;font-size:17px;color:var(--md-ink);font-weight:600;margin-bottom:8px;font-family:"Noto Serif SC",serif;}
.channel-item em{font-style:normal;font-size:13px;color:var(--md-muted);line-height:1.7;}
.channel-item:hover{background:var(--md-soft);}
.channel-item:hover strong{color:var(--md-bean);}

/* ============ CTA ============ */
.cta-band{position:relative;padding:76px 0;background-color:var(--md-ink);background-image:linear-gradient(rgba(44,58,54,.9),rgba(44,58,54,.94)),url('/assets/images/backpic/back-4.jpg');background-size:cover;background-position:center;}
.cta-inner{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-inner h2{font-size:30px;color:#F7F5F0;margin:0 0 10px;font-weight:700;line-height:1.35;}
.cta-inner p{color:#C7CEC8;font-size:15px;margin:0;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;}
.btn-light-md{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 30px;background:#F7F5F0;color:var(--md-ink);border:1px solid #F7F5F0;border-radius:var(--md-radius);font-size:15px;transition:all 220ms var(--md-ease);}
.btn-light-md:hover{background:transparent;color:#F7F5F0;border-color:#F7F5F0;}
.btn-outline-light-md{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 30px;background:transparent;color:#EDE9E0;border:1px solid rgba(237,233,224,.5);border-radius:var(--md-radius);font-size:15px;transition:all 220ms var(--md-ease);}
.btn-outline-light-md:hover{border-color:#F7F5F0;color:#FFFFFF;}

/* ============ 页脚 ============ */
.site-footer{background:var(--md-ink);color:#EDE9E0;padding:70px 0 0;margin-top:0;}
.footer-cols{padding-bottom:46px;}
.footer-col h3{font-size:15px;color:#F7F5F0;margin:0 0 18px;letter-spacing:.04em;font-weight:600;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{border-color:#EDE9E0;}
.footer-brand .brand-mark svg{stroke:#EDE9E0;}
.footer-brand .brand-text{color:#F7F5F0;font-size:20px;}
.footer-col p{font-size:14px;line-height:1.9;color:#B9C2BC;margin:0;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:#B9C2BC;}
.footer-col ul li a:hover{color:var(--md-bean);}
.footer-bottom{border-top:1px solid rgba(237,233,224,.16);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#9FA9A2;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 320ms var(--md-ease),transform 320ms var(--md-ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal,.title-mask .section-title{opacity:1 !important;transform:none !important;transition:none !important;}
  .entry-thumb img,.entry-card{transition:none !important;}
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .cat-h1{font-size:44px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .channel-list{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991.98px){
  .topbar-tag{display:none;}
  .topbar-right{gap:18px;font-size:13px;}
  .mainnav-inner{height:60px;gap:16px;}
  .cat-stats{border-left:0;padding-left:0;border-top:1px solid var(--md-line);padding-top:28px;margin-top:34px;flex-direction:row;flex-wrap:wrap;gap:40px;}
  .cat-h1{font-size:38px;}
  .feature-item{grid-template-columns:1fr;}
  .feature-body{padding:26px 24px;}
  .step-wrap{grid-template-columns:1fr;gap:16px;}
}
@media (max-width:767.98px){
  .container-wide,.container-narrow{padding:0 18px;}
  .topbar{height:auto;padding:8px 0;}
  .topbar-inner{height:auto;flex-direction:column;align-items:flex-start;gap:8px;}
  .topbar-right{gap:16px;flex-wrap:wrap;}
  .cat-h1{font-size:30px;}
  .cat-lead{font-size:16px;}
  .section-title{font-size:26px;}
  .feature-body h3{font-size:20px;}
  .stat-grid{grid-template-columns:1fr;}
  .channel-list{grid-template-columns:1fr;}
  .md-accordion .accordion-button{font-size:16px;padding-right:38px;}
  .md-accordion .accordion-body{padding-right:20px;}
  .cta-inner h2{font-size:23px;}
  .footer-bottom{flex-direction:column;}
  .entry-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:12px;}
  .entry-grid > *{min-width:78%;scroll-snap-align:start;}
  .entry-grid::-webkit-scrollbar{display:none;}
}
@media (max-width:519.98px){
  .cat-h1{font-size:26px;}
  .entry-grid > *{min-width:88%;}
  .btn-md,.btn-md-ghost,.btn-light-md,.btn-outline-light-md{width:100%;}
  .cat-actions{gap:12px;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}