/* roulang page: index */
:root{
  --green:#1F4A3D;
  --green-dark:#16352C;
  --green-soft:#E4EDE8;
  --brown:#C08552;
  --brown-soft:#EBDCC8;
  --cinnabar:#B23A2E;
  --paper:#F7F3EA;
  --paper-2:#FBF8F1;
  --night:#14211C;
  --line:#DCD3C2;
  --text:#221E1A;
  --muted:#6B6459;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(34,30,26,.06),0 8px 24px rgba(34,30,26,.06);
  --shadow-hover:0 2px 4px rgba(34,30,26,.08),0 14px 32px rgba(34,30,26,.10);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brown);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:40px;}
h2{font-size:28px;}
h3{font-size:20px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
::selection{background:var(--brown-soft);color:var(--green-dark);}
:focus-visible{outline:2px solid var(--cinnabar);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:80px 0;position:relative;}
.sec-paper{background:var(--paper);}
.sec-alt{background:var(--paper-2);}
.sec-dark{background:var(--night);color:#E9E3D6;}
.sec-dark h2,.sec-dark h3{color:#F7F3EA;}
.sec-head{max-width:820px;margin-bottom:36px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1px;color:var(--brown);
  background:var(--brown-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.sec-desc{color:var(--muted);font-size:15.5px;line-height:1.9;margin-top:12px;}
.sec-dark .sec-desc{color:#BFC9C2;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--green);color:#F7F3EA;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--green-dark);color:#fff;box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.btn-primary:active{box-shadow:inset 0 2px 6px rgba(0,0,0,.22);transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--brown);}
.btn-ghost:hover{background:var(--brown-soft);color:var(--green-dark);}
.btn-light{background:#F7F3EA;color:var(--green-dark);}
.btn-light:hover{background:#fff;color:var(--green-dark);}
.btn-outline-light{background:transparent;color:#F7F3EA;border-color:rgba(247,243,234,.5);}
.btn-outline-light:hover{background:rgba(247,243,234,.12);color:#fff;}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:13px;
  background:var(--brown-soft);color:#8A5A31;line-height:1.6;
  white-space:nowrap;
}
.badge-strong{background:var(--cinnabar);color:#fff;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted);}
.badge-green{background:var(--green-soft);color:var(--green-dark);}

/* ===== 顶部工具栏 ===== */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);}
.topbar{background:var(--green-dark);color:#DCE6E0;font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-left{display:flex;align-items:center;gap:18px;overflow:hidden;}
.topbar-left a{color:#DCE6E0;white-space:nowrap;font-size:13px;}
.topbar-left a:hover{color:#fff;}
.topbar-right{display:flex;align-items:center;gap:16px;white-space:nowrap;}
.topbar-note{color:#9FB3A8;font-size:12.5px;}
.topbar-right .ghost-link{color:#DCE6E0;font-size:13px;}
.topbar-right .ghost-link:hover{color:#fff;}

/* ===== 搜索主导导航 ===== */
.masthead{padding:20px 0;}
.masthead-inner{display:flex;align-items:center;gap:24px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:44px;height:44px;border-radius:12px;background:var(--green);
  display:flex;align-items:center;justify-content:center;
  color:#F7F3EA;font-size:20px;font-weight:700;
  box-shadow:0 2px 0 var(--green-dark);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-title{font-size:17px;font-weight:700;color:var(--green-dark);letter-spacing:.3px;}
.logo-sub{font-size:12px;color:var(--muted);letter-spacing:.6px;}
.search-wrap{flex:1 1 auto;max-width:560px;position:relative;}
.search-form{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;height:48px;padding:0 6px 0 18px;transition:border-color .2s ease,box-shadow .2s ease;}
.search-form:focus-within{border-color:var(--brown);box-shadow:0 0 0 4px rgba(192,133,82,.16);}
.search-icon{width:18px;height:18px;flex:0 0 auto;color:var(--muted);}
.search-form input{
  flex:1 1 auto;border:0;background:transparent;height:100%;
  font-size:15px;outline:none;padding:0 10px;min-width:0;
}
.search-form input::placeholder{color:#A9A296;}
.search-submit{
  border:0;background:var(--green);color:#F7F3EA;border-radius:999px;
  height:36px;padding:0 20px;font-size:14px;font-weight:600;
  transition:background .2s ease;
}
.search-submit:hover{background:var(--green-dark);}
.hot-chips{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;}
.hot-chips a{font-size:12.5px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 10px;}
.hot-chips a:hover{color:var(--green);border-color:var(--brown);background:var(--paper-2);}
.masthead-cta{flex:0 0 auto;}

.mainnav{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;transition:box-shadow .25s ease,background .25s ease;}
.mainnav.stuck{box-shadow:0 6px 20px rgba(34,30,26,.09);background:rgba(251,248,241,.96);backdrop-filter:blur(6px);}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:54px;}
.nav-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-list a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--text);font-weight:500;
}
.nav-list a:hover{background:var(--paper-2);color:var(--green);}
.nav-list a.active{background:var(--green-soft);color:var(--green-dark);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-download{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--green);border:1px solid var(--brown);border-radius:999px;padding:7px 16px;}
.nav-download:hover{background:var(--brown-soft);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--green-dark);border-radius:2px;transition:transform .2s ease;}
.drawer{
  display:none;border-top:1px solid var(--line);background:var(--paper-2);
  padding:16px 0 22px;
}
.drawer.open{display:block;}
.drawer .container{display:flex;flex-direction:column;gap:10px;}
.drawer .m-search{display:flex;background:#fff;border:1px solid var(--line);border-radius:12px;height:44px;overflow:hidden;}
.drawer .m-search input{flex:1;border:0;outline:none;padding:0 14px;background:transparent;}
.drawer .m-search button{border:0;background:var(--green);color:#fff;padding:0 18px;font-size:14px;}
.drawer a.drawer-link{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:15px;color:var(--text);}
.drawer a.drawer-link:hover{background:var(--green-soft);color:var(--green-dark);}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;color:#F7F3EA;padding:64px 0 72px;background:var(--night);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,33,28,.94) 0%,rgba(20,33,28,.82) 46%,rgba(20,33,28,.58) 100%);}
.hero-lines{position:absolute;inset:0;opacity:.06;background-image:repeating-linear-gradient(45deg,#F7F3EA 0 1px,transparent 1px 12px);}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:48px;align-items:center;}
.hero-brand{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.2px;
  color:#F0E5D3;background:rgba(247,243,234,.12);border:1px solid rgba(247,243,234,.26);
  border-radius:999px;padding:6px 16px;margin-bottom:20px;
}
.hero h1{font-size:40px;line-height:1.28;color:#fff;letter-spacing:.4px;}
.hero-sub{font-size:18px;color:#D9CDB8;margin-top:18px;line-height:1.7;}
.hero-desc{font-size:15.5px;color:#C6CEC8;line-height:1.95;margin-top:16px;max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px;}
.hero-badges span{
  font-size:13px;padding:5px 14px;border-radius:999px;
  background:rgba(247,243,234,.1);border:1px solid rgba(247,243,234,.28);color:#EFE6D6;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-panel{background:rgba(251,248,241,.97);border-radius:18px;overflow:hidden;box-shadow:0 20px 46px rgba(0,0,0,.32);color:var(--text);}
.panel-cover{position:relative;aspect-ratio:16/10;overflow:hidden;}
.panel-cover img{width:100%;height:100%;object-fit:cover;}
.panel-cover .live-tag{
  position:absolute;left:14px;top:14px;background:var(--cinnabar);color:#fff;
  font-size:12px;padding:4px 12px;border-radius:999px;letter-spacing:.5px;
}
.panel-body{padding:20px 22px 24px;}
.panel-body h2{font-size:17px;margin-bottom:8px;}
.countdown{
  display:flex;align-items:baseline;gap:8px;margin:6px 0 8px;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.countdown strong{font-size:30px;letter-spacing:2px;color:var(--green-dark);font-weight:700;}
.countdown span{font-size:12.5px;color:var(--muted);}
.panel-note{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:14px;}
.qr-row{display:flex;align-items:center;gap:14px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);}
.qr-box{
  width:74px;height:74px;flex:0 0 auto;border-radius:10px;border:1px solid var(--line);
  background:
    repeating-linear-gradient(0deg,rgba(31,74,61,.9) 0 6px,transparent 6px 12px),
    repeating-linear-gradient(90deg,rgba(31,74,61,.9) 0 6px,transparent 6px 12px),
    #fff;
  background-blend-mode:multiply;
  position:relative;
}
.qr-box::after{content:"";position:absolute;inset:26px;background:#fff;border:2px solid var(--green);border-radius:4px;}
.qr-text{font-size:13.5px;color:var(--muted);line-height:1.7;}
.qr-text b{display:block;color:var(--text);font-size:14.5px;margin-bottom:2px;}

/* ===== 下载区 ===== */
.download-band{background:var(--paper-2);border-bottom:1px solid var(--line);padding:56px 0;}
.download-grid{display:grid;grid-template-columns:1.05fr 1fr 1fr 1fr;gap:var(--gap);align-items:stretch;}
.download-intro{padding-right:8px;}
.download-intro h2{font-size:24px;}
.download-intro p{color:var(--muted);font-size:14.5px;margin-top:12px;line-height:1.85;}
.dl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.dl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brown);}
.dl-icon{width:42px;height:42px;border-radius:12px;background:var(--green-soft);color:var(--green-dark);display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;}
.dl-card h3{font-size:16.5px;}
.dl-card p{font-size:13.5px;color:var(--muted);line-height:1.7;flex:1 1 auto;}
.dl-card .btn{width:100%;}

/* ===== 指标看板 ===== */
.metrics{padding:52px 0;background:var(--paper);}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px 20px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.metric-card::before{content:"";position:absolute;left:20px;top:14px;width:34px;height:3px;background:var(--brown);border-radius:2px;}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.metric-num{font-size:34px;font-weight:700;color:var(--green-dark);font-variant-numeric:tabular-nums;line-height:1.2;margin-top:16px;}
.metric-num small{font-size:14px;font-weight:600;color:var(--brown);margin-left:4px;}
.metric-label{font-size:14.5px;font-weight:600;margin-top:4px;}
.metric-note{font-size:12.8px;color:var(--muted);margin-top:6px;line-height:1.7;}
.metric-foot{margin-top:20px;font-size:12.8px;color:var(--muted);}

/* ===== 服务矩阵 ===== */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.mx-big{grid-column:span 2;grid-row:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;}
.mx-big:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.mx-big .thumb{aspect-ratio:16/10;overflow:hidden;}
.mx-big .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.mx-big:hover .thumb img{transform:scale(1.04);}
.mx-body{padding:22px;}
.mx-body h3{font-size:21px;margin-bottom:10px;}
.mx-body p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.mx-points{margin:14px 0 16px;display:flex;flex-direction:column;gap:8px;}
.mx-points li{font-size:13.8px;color:var(--text);padding-left:18px;position:relative;line-height:1.7;}
.mx-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--brown);}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brown);border-bottom:1px solid rgba(192,133,82,.45);padding-bottom:2px;}
.arrow-link:hover{color:var(--green-dark);border-color:var(--green-dark);}
.mx-mid{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;grid-column:span 2;display:flex;gap:16px;align-items:flex-start;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;}
.mx-mid:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.mx-mid .thumb-sm{flex:0 0 108px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;}
.mx-mid .thumb-sm img{width:100%;height:100%;object-fit:cover;}
.mx-mid h3{font-size:17.5px;margin-bottom:8px;}
.mx-mid p{font-size:13.8px;color:var(--muted);line-height:1.8;}
.mx-mini{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.mx-mini:hover{background:#fff;border-color:var(--brown);transform:translateY(-2px);}
.mx-mini h3{font-size:15.5px;margin-bottom:6px;}
.mx-mini p{font-size:13px;color:var(--muted);line-height:1.7;}
.mx-mini .badge{margin-top:10px;}

/* ===== 梯度 ===== */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.ladder-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);position:relative;transition:transform .2s ease,box-shadow .2s ease;}
.ladder-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.ladder-card.featured{background:var(--green);border-color:var(--green);color:#E8EFEB;}
.ladder-card.featured h3{color:#fff;}
.ladder-step{font-size:13px;letter-spacing:2px;color:var(--brown);font-variant-numeric:tabular-nums;}
.ladder-card.featured .ladder-step{color:#E7D3B4;}
.ladder-card h3{font-size:19px;margin:8px 0 10px;}
.ladder-card p{font-size:14px;line-height:1.85;color:var(--muted);}
.ladder-card.featured p{color:#CFDCD5;}
.ladder-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.ladder-list li{font-size:13.5px;padding-left:16px;position:relative;line-height:1.7;color:var(--muted);}
.ladder-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brown);}
.ladder-card.featured .ladder-list li{color:#CFDCD5;}
.ladder-card.featured .ladder-list li::before{background:#E7D3B4;}

/* ===== 对比 ===== */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 22px;}
.compare-col.better{background:var(--paper-2);border-color:var(--brown);box-shadow:var(--shadow);}
.compare-col h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.compare-col h3 .dot{width:10px;height:10px;border-radius:50%;background:var(--muted);}
.compare-col.better h3 .dot{background:var(--cinnabar);}
.compare-list li{display:flex;gap:10px;font-size:14.3px;line-height:1.8;padding:11px 0;border-bottom:1px dashed var(--line);color:var(--muted);}
.compare-list li:last-child{border-bottom:0;}
.compare-list li .mark{flex:0 0 20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;background:var(--line);color:#fff;margin-top:3px;}
.compare-col.better .compare-list li{color:var(--text);}
.compare-col.better .compare-list li .mark{background:var(--cinnabar);}

/* ===== 时间轴 ===== */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;margin-top:8px;}
.timeline::before{content:"";position:absolute;left:4%;right:4%;top:13px;height:1px;background:var(--line);}
.tl-item{position:relative;padding-top:38px;}
.tl-item::before{content:"";position:absolute;left:0;top:6px;width:15px;height:15px;border-radius:50%;background:var(--green);border:3px solid var(--paper-2);z-index:1;}
.tl-step{font-size:12.5px;letter-spacing:1.5px;color:var(--brown);font-variant-numeric:tabular-nums;}
.tl-item h3{font-size:16px;margin:6px 0 8px;}
.tl-item p{font-size:13.3px;color:var(--muted);line-height:1.75;}

/* ===== 限时入口 ===== */
.flash{background:var(--green-dark);color:#EDF2EE;border-radius:18px;padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden;}
.flash::after{content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;background:rgba(192,133,82,.16);}
.flash-left{position:relative;z-index:1;max-width:640px;}
.flash h2{font-size:24px;color:#fff;margin-bottom:10px;}
.flash p{font-size:14.5px;color:#C6D2CB;line-height:1.85;}
.flash-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.flash-tags span{font-size:12.5px;padding:4px 12px;border-radius:999px;background:rgba(247,243,234,.12);border:1px solid rgba(247,243,234,.24);color:#EFE6D6;}
.flash-right{position:relative;z-index:1;text-align:center;flex:0 0 auto;}
.flash-clock{font-size:32px;font-weight:700;letter-spacing:2px;color:#F3E4CB;font-variant-numeric:tabular-nums;}
.flash-right small{display:block;font-size:12.5px;color:#A9BAB1;margin-bottom:14px;letter-spacing:1px;}

/* ===== 精选清单 ===== */
.picks{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;}
.pick-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px dashed var(--line);}
.pick-no{flex:0 0 auto;font-size:26px;font-weight:700;color:var(--brown);font-variant-numeric:tabular-nums;line-height:1;opacity:.75;}
.pick-body h3{font-size:16.5px;margin-bottom:6px;}
.pick-body p{font-size:13.8px;color:var(--muted);line-height:1.8;margin-bottom:8px;}

/* ===== 专题合集 ===== */
.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:start;}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.topic-card.lift{margin-top:-24px;}
.topic-cover{aspect-ratio:4/5;overflow:hidden;}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.topic-card:hover .topic-cover img{transform:scale(1.04);}
.topic-body{padding:20px;}
.topic-body h3{font-size:17.5px;margin-bottom:8px;}
.topic-body p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:14px;}

/* ===== 目录 ===== */
.directory{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.dir-group h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.dir-group h3::before{content:"";width:4px;height:16px;background:var(--brown);border-radius:2px;}
.dir-list li{display:flex;align-items:flex-start;gap:12px;padding:13px 10px;border-bottom:1px dashed var(--line);font-size:14.3px;transition:background .2s ease;}
.dir-list li:hover{background:var(--paper-2);}
.dir-list li .name{flex:0 0 128px;font-weight:600;color:var(--text);}
.dir-list li .desc{color:var(--muted);font-size:13.6px;line-height:1.75;}

/* ===== 摘录墙 ===== */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;box-shadow:var(--shadow);}
.voice-card::before{content:"“";position:absolute;left:18px;top:6px;font-size:52px;line-height:1;color:var(--brown-soft);font-family:Georgia,serif;}
.voice-card p{position:relative;font-size:14.3px;line-height:1.9;color:var(--text);padding-top:18px;}
.voice-meta{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);}

/* ===== 保障条 ===== */
.guard{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.guard-item{padding:24px 22px;border-right:1px solid var(--line);transition:background .2s ease;}
.guard-item:last-child{border-right:0;}
.guard-item:hover{background:#fff;}
.guard-icon{width:34px;height:34px;border-radius:10px;background:var(--green);color:#F7F3EA;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;margin-bottom:12px;}
.guard-item h3{font-size:15px;margin-bottom:6px;}
.guard-item p{font-size:13px;color:var(--muted);line-height:1.75;}

/* ===== 快速解答 ===== */
.quickqa{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.qa-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.qa-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brown);}
.qa-card h3{font-size:15.5px;margin-bottom:8px;}
.qa-card p{font-size:13.6px;color:var(--muted);line-height:1.85;margin-bottom:12px;}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:var(--brown);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px 18px 26px;
  font-size:15.5px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:transparent;border-radius:2px;transition:background .2s ease;}
.faq-item[open] summary::before{background:var(--cinnabar);}
.faq-item summary:hover{background:var(--paper-2);}
.faq-item summary .plus{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .2s ease;}
.faq-item summary .plus::before,.faq-item summary .plus::after{content:"";position:absolute;background:var(--green);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.faq-item summary .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq-item summary .plus::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] summary .plus{transform:rotate(180deg);}
.faq-item[open] summary .plus::after{opacity:0;}
.faq-answer{padding:0 26px 20px;font-size:14.3px;color:var(--muted);line-height:1.95;}

/* ===== 资讯 ===== */
.news-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.9fr);gap:var(--gap);align-items:start;}
.news-list{display:flex;flex-direction:column;gap:18px;}
.news-card{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brown);}
.news-thumb{flex:0 0 210px;aspect-ratio:16/10;border-radius:10px;overflow:hidden;display:block;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{min-width:0;display:flex;flex-direction:column;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px;font-size:12.5px;color:var(--muted);}
.news-body h3{font-size:17px;margin-bottom:8px;line-height:1.5;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--green);}
.news-body p{font-size:13.8px;color:var(--muted);line-height:1.8;margin:0;}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.news-side h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed var(--line);}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{font-size:14px;color:var(--text);line-height:1.65;display:block;}
.side-list a:hover{color:var(--green);}
.side-list .time{font-size:12.3px;color:var(--muted);margin-top:4px;display:block;}
.empty-state{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:32px;text-align:center;}
.empty-icon{width:46px;height:46px;border-radius:50%;background:var(--brown-soft);color:#8A5A31;display:flex;align-items:center;justify-content:center;font-size:20px;}
.empty-state p{font-size:14px;color:var(--muted);margin:0;}

/* ===== 场景 ===== */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.scene-card:hover{background:var(--paper-2);border-color:var(--brown);transform:translateY(-2px);}
.scene-icon{width:38px;height:38px;border-radius:11px;background:var(--green-soft);color:var(--green-dark);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:12px;}
.scene-card h3{font-size:15.5px;margin-bottom:6px;}
.scene-card p{font-size:13.3px;color:var(--muted);line-height:1.75;}

/* ===== 表单 ===== */
.contact-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--gap);align-items:stretch;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.8px;font-weight:600;margin-bottom:8px;}
.field label .req{color:var(--cinnabar);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--paper-2);padding:0 14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brown);background:#fff;box-shadow:0 0 0 4px rgba(192,133,82,.14);}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:10px;}
.form-ok{margin-top:14px;background:#E6F1E9;border:1px solid #B9D8C4;color:#1F4A3D;border-radius:var(--radius-sm);padding:12px 14px;font-size:13.5px;}
.contact-side{background:var(--green);color:#E8EFEB;border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;gap:16px;}
.contact-side h3{color:#fff;font-size:18px;}
.contact-side .qr-large{width:132px;height:132px;border-radius:12px;border:1px solid rgba(247,243,234,.4);background:
  repeating-linear-gradient(0deg,rgba(31,74,61,.92) 0 9px,transparent 9px 18px),
  repeating-linear-gradient(90deg,rgba(31,74,61,.92) 0 9px,transparent 9px 18px),
  #fff;position:relative;}
.contact-side .qr-large::after{content:"";position:absolute;inset:46px;background:#fff;border:3px solid var(--green);border-radius:6px;}
.side-points li{font-size:13.5px;color:#CFDCD5;padding-left:18px;position:relative;line-height:1.8;margin-bottom:8px;}
.side-points li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:#E7D3B4;}
.privacy-note{font-size:12.3px;color:#A9BAB1;border-top:1px solid rgba(247,243,234,.2);padding-top:14px;margin-top:auto;line-height:1.7;}

/* ===== 底部 CTA ===== */
.final-cta{background:var(--night);color:#E9E3D6;padding:64px 0;position:relative;overflow:hidden;}
.final-cta::before{content:"";position:absolute;inset:0;opacity:.06;background-image:repeating-linear-gradient(90deg,#F7F3EA 0 1px,transparent 1px 22px),repeating-linear-gradient(0deg,#F7F3EA 0 1px,transparent 1px 22px);}
.final-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.final-inner h2{color:#F7F3EA;font-size:26px;margin-bottom:10px;}
.final-inner p{color:#BFC9C2;font-size:14.5px;max-width:640px;line-height:1.85;}
.final-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{background:#0F1A16;color:#A9BAB1;padding:56px 0 24px;font-size:14px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(247,243,234,.12);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand .logo-title{color:#F0E5D3;font-size:16px;}
.footer-brand .logo-sub{color:#8CA096;}
.footer-desc{font-size:13.5px;line-height:1.9;color:#8CA096;max-width:340px;}
.footer-col h3{color:#E9E3D6;font-size:15px;margin-bottom:14px;}
.footer-col a{display:block;color:#A9BAB1;font-size:13.6px;line-height:1.9;padding:4px 0;}
.footer-col a:hover{color:#F0E5D3;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:12.8px;color:#7C8E85;}

@media (max-width:1199px){
  .hero h1{font-size:34px;}
  .download-grid{grid-template-columns:1fr 1fr 1fr;}
  .download-intro{grid-column:span 3;}
  .news-thumb{flex:0 0 176px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .section{padding:56px 0;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .masthead-inner{flex-wrap:wrap;gap:16px;}
  .search-wrap{order:3;flex:1 1 100%;max-width:none;}
  .masthead-cta{margin-left:auto;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:30px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .mx-big{grid-column:span 2;grid-row:auto;}
  .mx-mid{grid-column:span 2;}
  .ladder{grid-template-columns:1fr;}
  .compare-wrap{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr 1fr;gap:24px;}
  .timeline::before{display:none;}
  .topics{grid-template-columns:1fr 1fr;}
  .topic-card.lift{margin-top:0;}
  .topics .topic-card:last-child{grid-column:span 2;}
  .directory{grid-template-columns:1fr;gap:32px;}
  .voices{grid-template-columns:1fr;}
  .guard{grid-template-columns:1fr 1fr;}
  .guard-item:nth-child(2){border-right:0;}
  .guard-item:nth-child(1),.guard-item:nth-child(2){border-bottom:1px solid var(--line);}
  .quickqa{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .scenes{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .flash{flex-direction:column;align-items:flex-start;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .news-thumb{flex:0 0 150px;}
  .download-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:40px 0;}
  body{font-size:15.5px;}
  h1{font-size:28px;}
  .hero{padding:40px 0 48px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
  .nav-download{display:none;}
  .masthead{padding:14px 0;}
  .logo-title{font-size:15px;}
  .logo-sub{display:none;}
  .topbar .container{height:auto;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;}
  .topbar-left{gap:12px;overflow-x:auto;width:100%;}
  .topbar-right{display:none;}
  .search-form{height:44px;}
  .search-submit{padding:0 14px;}
  .hot-chips{display:none;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .metric-num{font-size:27px;}
  .matrix{grid-template-columns:1fr;}
  .mx-big,.mx-mid{grid-column:span 1;}
  .mx-mid{flex-direction:column;}
  .mx-mid .thumb-sm{flex:none;width:100%;aspect-ratio:16/10;}
  .topics{grid-template-columns:1fr;}
  .topics .topic-card:last-child{grid-column:span 1;}
  .timeline{grid-template-columns:1fr;}
  .guard{grid-template-columns:1fr;}
  .guard-item{border-right:0;border-bottom:1px solid var(--line);}
  .guard-item:last-child{border-bottom:0;}
  .scenes{grid-template-columns:1fr;}
  .picks{grid-template-columns:1fr;}
  .download-grid{grid-template-columns:1fr;}
  .download-intro{grid-column:span 1;}
  .news-card{flex-direction:column;}
  .news-thumb{flex:none;width:100%;}
  .form-card,.contact-side{padding:22px;}
  .form-row{grid-template-columns:1fr;}
  .flash{padding:24px;}
  .flash-clock{font-size:26px;}
  .final-inner{flex-direction:column;align-items:flex-start;}
  .final-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:14.5px;padding:16px 18px 16px 22px;}
  .faq-answer{padding:0 22px 18px;}
  .voices{grid-template-columns:1fr;}
  .dir-list li .name{flex:0 0 96px;}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr;}
  .hero-badges span{font-size:12px;}
  .countdown strong{font-size:24px;}
  .sec-head{margin-bottom:24px;}
}

/* roulang page: article */
:root{
  --green:#1F4A3D;
  --green-dark:#16352C;
  --green-soft:#E4EDE8;
  --brown:#C08552;
  --brown-soft:#EBDCC8;
  --cinnabar:#B23A2E;
  --paper:#F7F3EA;
  --paper-2:#FBF8F1;
  --night:#14211C;
  --line:#DCD3C2;
  --text:#221E1A;
  --muted:#6B6459;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(34,30,26,.06),0 8px 24px rgba(34,30,26,.06);
  --shadow-hover:0 2px 4px rgba(34,30,26,.08),0 14px 32px rgba(34,30,26,.10);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brown);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--green-dark);}
p{margin:0 0 1em;}
:focus-visible{outline:2px solid var(--cinnabar);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:80px 0;position:relative;}
.section-alt{background:var(--paper-2);}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:28px;letter-spacing:.2px;}
.section-head p{margin:10px 0 0;color:var(--muted);font-size:15px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1px;color:var(--brown);
  background:var(--brown-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--green);color:#F7F3EA;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--green-dark);color:#fff;box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.btn-primary:active{box-shadow:inset 0 2px 6px rgba(0,0,0,.22);transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--brown);}
.btn-ghost:hover{background:var(--brown-soft);color:var(--green-dark);}
.btn-light{background:#F7F3EA;color:var(--green-dark);}
.btn-light:hover{background:#fff;color:var(--green-dark);}
.btn-outline-light{background:transparent;color:#F7F3EA;border-color:rgba(247,243,234,.5);}
.btn-outline-light:hover{background:rgba(247,243,234,.12);color:#fff;}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-xs{padding:8px 16px;font-size:13.5px;}
/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:13px;
  background:var(--brown-soft);color:#8A5A31;line-height:1.6;
  white-space:nowrap;
}
.badge-strong{background:var(--cinnabar);color:#fff;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted);}
.badge-green{background:var(--green-soft);color:var(--green-dark);}
/* ===== 顶部工具栏 ===== */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);}
.topbar{background:var(--green-dark);color:#DCE6E0;font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-left{display:flex;align-items:center;gap:18px;overflow:hidden;}
.topbar-left a{color:#DCE6E0;white-space:nowrap;font-size:13px;}
.topbar-left a:hover{color:#fff;}
.topbar-right{display:flex;align-items:center;gap:16px;white-space:nowrap;}
.topbar-note{color:#9FB3A8;font-size:12.5px;}
.topbar-right .ghost-link{color:#DCE6E0;font-size:13px;}
.topbar-right .ghost-link:hover{color:#fff;}
.masthead{padding:18px 0 16px;}
.masthead-inner{display:flex;align-items:center;gap:28px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:44px;height:44px;border-radius:12px;background:var(--green);
  display:flex;align-items:center;justify-content:center;
  color:#F7F3EA;font-size:20px;font-weight:700;
  box-shadow:0 2px 0 var(--green-dark);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-title{font-size:17px;font-weight:700;color:var(--green-dark);letter-spacing:.3px;}
.logo-sub{font-size:12px;color:var(--muted);letter-spacing:.6px;}
.search-wrap{flex:1 1 auto;max-width:560px;position:relative;}
.search-form{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;height:48px;padding:0 6px 0 18px;transition:border-color .2s ease,box-shadow .2s ease;}
.search-form:focus-within{border-color:var(--brown);box-shadow:0 0 0 4px rgba(192,133,82,.16);}
.search-icon{width:18px;height:18px;flex:0 0 auto;color:var(--muted);}
.search-form input{
  flex:1 1 auto;border:0;background:transparent;height:100%;
  font-size:15px;outline:none;padding:0 10px;min-width:0;
}
.search-form input::placeholder{color:#A9A296;}
.search-submit{
  border:0;background:var(--green);color:#F7F3EA;border-radius:999px;
  height:36px;padding:0 20px;font-size:14px;font-weight:600;
  transition:background .2s ease;
}
.search-submit:hover{background:var(--green-dark);}
.hot-chips{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;}
.hot-chips a{font-size:12.5px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 10px;}
.hot-chips a:hover{color:var(--green);border-color:var(--brown);background:var(--paper-2);}
.masthead-cta{flex:0 0 auto;}
.mainnav{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;transition:box-shadow .25s ease,background .25s ease;}
.mainnav.stuck{box-shadow:0 6px 20px rgba(34,30,26,.09);background:rgba(251,248,241,.96);backdrop-filter:blur(6px);}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:54px;}
.nav-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-list a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--text);font-weight:500;
}
.nav-list a:hover{background:var(--paper-2);color:var(--green);}
.nav-list a.active{background:var(--green-soft);color:var(--green-dark);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-download{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--green);border:1px solid var(--brown);border-radius:999px;padding:7px 16px;}
.nav-download:hover{background:var(--brown-soft);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green-dark);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer{display:none;border-top:1px solid var(--line);background:var(--paper-2);padding:18px 0 24px;}
.drawer.open{display:block;}
.drawer-inner{display:flex;flex-direction:column;gap:14px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--text);}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--green-soft);color:var(--green-dark);}
/* ===== 面包屑 ===== */
.crumb-bar{background:var(--paper-2);border-bottom:1px solid var(--line);}
.crumbs{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 0;font-size:13.5px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--green);}
.crumbs .sep{color:#BCB4A5;}
.crumb-current{color:var(--text);max-width:min(680px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ===== 文章头部 ===== */
.article-head{padding:44px 0 32px;background:var(--paper);border-bottom:1px solid var(--line);}
.article-head-inner{max-width:960px;}
.article-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px;}
.article-head h1{font-size:40px;line-height:1.28;letter-spacing:.2px;color:var(--green-dark);}
.article-divider{height:3px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:22px 0 16px;max-width:960px;}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:14px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.meta-row time{font-variant-numeric:tabular-nums;}
/* ===== 摘要卡 ===== */
.takeaway{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.takeaway h2{font-size:17px;color:var(--green-dark);margin-bottom:12px;letter-spacing:.2px;}
.takeaway ul{display:grid;gap:10px;}
.takeaway li{position:relative;padding-left:22px;font-size:15px;color:#3B342C;line-height:1.8;}
.takeaway li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--brown);}
/* ===== 阅读布局 ===== */
.reading-section{padding:56px 0 72px;background:var(--paper);}
.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:48px;align-items:start;}
.article-body{max-width:780px;font-size:16.5px;line-height:1.85;color:var(--text);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:26px;line-height:1.35;margin:38px 0 16px;padding-left:15px;position:relative;color:var(--green-dark);}
.article-body h2::before{content:"";position:absolute;left:0;top:.24em;width:4px;height:1em;background:var(--cinnabar);border-radius:2px;}
.article-body h3{font-size:20px;line-height:1.4;margin:28px 0 12px;padding-left:13px;position:relative;color:var(--green-dark);}
.article-body h3::before{content:"";position:absolute;left:0;top:.26em;width:3px;height:.92em;background:var(--brown);border-radius:2px;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--paper-2);
  border-left:4px solid var(--brown);border-radius:0 12px 12px 0;color:#3B342C;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul{list-style:square;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.42em 0;}
.article-body img{border-radius:12px;margin:22px 0;width:100%;height:auto;border:1px solid var(--line);}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--paper-2);color:var(--green-dark);font-weight:600;}
.article-body a{color:var(--brown);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--green);}
.article-body code{background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.side-card h3{font-size:15px;color:var(--green-dark);margin-bottom:12px;letter-spacing:.3px;}
.side-list{display:grid;gap:2px;}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--text);border-bottom:1px dashed var(--line);}
.side-list a:last-child{border-bottom:0;}
.side-list a:hover{background:var(--paper-2);color:var(--green);}
.side-list .arrow{color:var(--brown);font-size:13px;}
.side-meta{display:grid;gap:8px;font-size:13.5px;color:var(--muted);}
.side-meta strong{color:var(--text);font-weight:600;}
/* ===== 空态 ===== */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;background:var(--paper-2);border:1px dashed var(--line);
  border-radius:var(--radius);padding:32px 24px;
}
.empty-state .empty-icon{width:52px;height:52px;border-radius:14px;background:var(--brown-soft);display:flex;align-items:center;justify-content:center;color:#8A5A31;font-size:22px;font-weight:700;}
.empty-state p{margin:0;color:var(--muted);font-size:15px;}
/* ===== 下载条 ===== */
.download-section{background:var(--paper-2);padding:64px 0;}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.dl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.dl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brown);}
.dl-card .dl-head{display:flex;align-items:center;gap:10px;}
.dl-card .dl-icon{width:40px;height:40px;border-radius:12px;background:var(--green-soft);color:var(--green-dark);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;}
.dl-card h3{font-size:17px;margin:0;}
.dl-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.7;}
.dl-card .dl-btn{margin-top:auto;}
/* ===== 相关专题 ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brown);}
.rel-thumb{aspect-ratio:16/10;background:var(--paper-2);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;}
.rel-body h3{font-size:17px;line-height:1.45;}
.rel-body p{font-size:14px;color:var(--muted);margin:0;}
.rel-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:4px;}
.rel-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--green);font-weight:600;}
.rel-link:hover{color:var(--brown);}
/* ===== 上一篇下一篇 ===== */
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);}
.pn-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  display:flex;flex-direction:column;gap:6px;transition:border-color .2s ease,background .2s ease;
}
.pn-item:hover{border-color:var(--brown);background:var(--paper-2);}
.pn-item .pn-label{font-size:13px;color:var(--brown);letter-spacing:.6px;}
.pn-item .pn-title{font-size:15px;color:var(--text);}
.pn-item.next{align-items:flex-end;text-align:right;}
.pn-item.disabled{color:var(--muted);}
.pn-item.disabled .pn-title{color:var(--muted);}
/* ===== 底部转化 ===== */
.cta-section{background:var(--night);color:#E7EDE9;padding:64px 0;position:relative;overflow:hidden;}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(247,243,234,.05) 1px,transparent 1px),linear-gradient(0deg,rgba(247,243,234,.05) 1px,transparent 1px);
  background-size:28px 28px;opacity:.6;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:center;}
.cta-inner h2{color:#F7F3EA;font-size:26px;line-height:1.4;}
.cta-inner p{color:#A9B7AF;font-size:15px;margin:12px 0 0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;}
.qr-box{
  background:rgba(247,243,234,.08);border:1px solid rgba(247,243,234,.22);
  border-radius:var(--radius);padding:22px;display:flex;gap:16px;align-items:center;
}
.qr-frame{
  width:88px;height:88px;flex:0 0 auto;border-radius:12px;background:rgba(247,243,234,.14);
  display:flex;align-items:center;justify-content:center;color:#CBD8D1;font-size:12.5px;text-align:center;
  border:1px dashed rgba(247,243,234,.35);padding:8px;line-height:1.4;
}
.qr-box .qr-text{font-size:13.5px;color:#A9B7AF;line-height:1.7;}
.qr-box .qr-text strong{color:#F7F3EA;display:block;font-size:14.5px;margin-bottom:4px;}
/* ===== 返回条 ===== */
.back-bar{padding:28px 0;background:var(--paper);border-top:1px solid var(--line);}
.back-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.back-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:14.5px;}
.back-links a{color:var(--brown);text-decoration:underline;text-underline-offset:4px;}
.back-links a:hover{color:var(--green);}
.back-note{font-size:13.5px;color:var(--muted);}
/* ===== 页脚 ===== */
.site-footer{background:var(--green-dark);color:#C9D6CF;padding:56px 0 24px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(247,243,234,.16);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .logo-title{color:#F7F3EA;}
.footer-brand .logo-sub{color:#9FB3A8;}
.footer-desc{font-size:14px;line-height:1.8;color:#A9B7AF;margin:0;max-width:420px;}
.footer-col h3{font-size:15px;color:#F7F3EA;margin-bottom:12px;letter-spacing:.4px;}
.footer-col a{display:block;font-size:14px;color:#A9B7AF;padding:5px 0;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:20px;font-size:13px;color:#8FA398;}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .reading-layout{grid-template-columns:minmax(0,1fr) 240px;gap:32px;}
  .article-head h1{font-size:34px;}
}
@media (max-width:991px){
  .section{padding:56px 0;}
  .masthead-inner{flex-wrap:wrap;gap:16px;}
  .search-wrap{order:3;flex:1 1 100%;max-width:none;}
  .masthead-cta{margin-left:auto;}
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
  .reading-layout{grid-template-columns:minmax(0,1fr);}
  .side-stack{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 260px;}
  .article-body{max-width:none;}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);}
  .article-head h1{font-size:30px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:40px 0;}
  .topbar .container{height:auto;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:8px;}
  .topbar-note{display:none;}
  .topbar-left{gap:14px;flex-wrap:wrap;}
  .article-head{padding:28px 0 24px;}
  .article-head h1{font-size:26px;line-height:1.35;}
  .article-kicker{margin-bottom:12px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin:30px 0 14px;}
  .article-body h3{font-size:18px;}
  .reading-section{padding:36px 0 48px;}
  .dl-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .pn-grid{grid-template-columns:1fr;}
  .pn-item.next{align-items:flex-start;text-align:left;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-section{padding:44px 0;}
  .cta-inner h2{font-size:22px;}
  .qr-box{flex-direction:column;align-items:flex-start;}
  .crumbs{font-size:12.5px;}
  .crumb-current{max-width:100%;white-space:normal;}
}
@media (max-width:519px){
  .search-form{height:44px;padding-left:14px;}
  .search-submit{height:32px;padding:0 14px;font-size:13px;}
  .hot-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
  .hot-chips a{flex:0 0 auto;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .article-head h1{font-size:23px;}
  .takeaway{padding:18px;}
  .side-card{padding:16px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --green:#1F4A3D;
  --green-dark:#16352C;
  --green-soft:#E4EDE8;
  --brown:#C08552;
  --brown-soft:#EBDCC8;
  --cinnabar:#B23A2E;
  --paper:#F7F3EA;
  --paper-2:#FBF8F1;
  --night:#14211C;
  --line:#DCD3C2;
  --text:#221E1A;
  --muted:#6B6459;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(34,30,26,.06),0 8px 24px rgba(34,30,26,.06);
  --shadow-hover:0 2px 4px rgba(34,30,26,.08),0 14px 32px rgba(34,30,26,.10);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brown);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--cinnabar);outline-offset:2px;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--text);}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:80px 0;position:relative;}
.section.alt{background:var(--paper-2);}
.section.night{background:var(--night);color:#E7EDE9;}
.section.night h2,.section.night h3{color:#F2F6F3;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;
  color:#8A5A31;background:var(--brown-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:28px;letter-spacing:.2px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.section.night .section-head p{color:#9FB3A8;}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--green);color:#F7F3EA;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--green-dark);color:#fff;box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.btn-primary:active{box-shadow:inset 0 2px 6px rgba(0,0,0,.22);transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--brown);}
.btn-ghost:hover{background:var(--brown-soft);color:var(--green-dark);}
.btn-light{background:#F7F3EA;color:var(--green-dark);}
.btn-light:hover{background:#fff;color:var(--green-dark);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#F7F3EA;border-color:rgba(247,243,234,.5);}
.btn-outline-light:hover{background:rgba(247,243,234,.12);color:#fff;}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:14px;}
/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:13px;background:var(--brown-soft);color:#8A5A31;line-height:1.6;white-space:nowrap;
}
.badge-strong{background:var(--cinnabar);color:#fff;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted);}
.badge-green{background:var(--green-soft);color:var(--green-dark);}
/* 头部 */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);}
.topbar{background:var(--green-dark);color:#DCE6E0;font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-left{display:flex;align-items:center;gap:18px;overflow:hidden;}
.topbar-left a{color:#DCE6E0;white-space:nowrap;font-size:13px;}
.topbar-left a:hover{color:#fff;}
.topbar-right{display:flex;align-items:center;gap:16px;white-space:nowrap;}
.topbar-note{color:#9FB3A8;font-size:12.5px;}
.topbar-right .ghost-link{color:#DCE6E0;font-size:13px;}
.topbar-right .ghost-link:hover{color:#fff;}
.masthead{background:var(--paper);}
.masthead-inner{display:flex;align-items:center;gap:28px;padding:18px 32px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:44px;height:44px;border-radius:12px;background:var(--green);
  display:flex;align-items:center;justify-content:center;
  color:#F7F3EA;font-size:20px;font-weight:700;box-shadow:0 2px 0 var(--green-dark);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-title{font-size:17px;font-weight:700;color:var(--green-dark);letter-spacing:.3px;}
.logo-sub{font-size:12px;color:var(--muted);letter-spacing:.6px;}
.search-wrap{flex:1 1 auto;max-width:560px;position:relative;}
.search-form{
  display:flex;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:999px;height:48px;padding:0 6px 0 18px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--brown);box-shadow:0 0 0 4px rgba(192,133,82,.16);}
.search-icon{width:18px;height:18px;flex:0 0 auto;color:var(--muted);}
.search-form input{flex:1 1 auto;border:0;background:transparent;height:100%;font-size:15px;outline:none;padding:0 10px;min-width:0;}
.search-form input::placeholder{color:#A9A296;}
.search-submit{
  border:0;background:var(--green);color:#F7F3EA;border-radius:999px;
  height:36px;padding:0 20px;font-size:14px;font-weight:600;transition:background .2s ease;
}
.search-submit:hover{background:var(--green-dark);}
.hot-chips{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;}
.hot-chips a{font-size:12.5px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 10px;}
.hot-chips a:hover{color:var(--green);border-color:var(--brown);background:var(--paper-2);}
.masthead-cta{flex:0 0 auto;}
/* 主导航 */
.mainnav{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;transition:box-shadow .25s ease,background .25s ease;}
.mainnav.stuck{box-shadow:0 6px 20px rgba(34,30,26,.09);background:rgba(251,248,241,.96);backdrop-filter:blur(6px);}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:54px;}
.nav-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-list a{display:inline-block;padding:8px 14px;border-radius:999px;font-size:15px;color:var(--text);font-weight:500;}
.nav-list a:hover{background:var(--paper-2);color:var(--green);}
.nav-list a.active{background:var(--green-soft);color:var(--green-dark);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-download{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--green);border:1px solid var(--brown);border-radius:999px;padding:7px 16px;
  transition:background .2s ease,color .2s ease;
}
.nav-download:hover{background:var(--brown-soft);color:var(--green-dark);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green-dark);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{display:none;}
/* 分类头区 */
.cat-hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding:44px 0 52px;position:relative;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(31,74,61,.05) 1px,transparent 1px),linear-gradient(rgba(31,74,61,.05) 1px,transparent 1px);
  background-size:32px 32px;pointer-events:none;
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:center;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--green);}
.crumbs .sep{color:#BDB5A5;}
.cat-hero h1{font-size:34px;letter-spacing:.4px;line-height:1.35;}
.cat-hero h1 em{font-style:normal;color:var(--green-dark);}
.cat-hero p.lead{margin-top:16px;color:var(--muted);font-size:15.5px;max-width:640px;}
.cat-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}
.cat-hero-figure{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--brown-soft);
}
.cat-hero-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.cat-hero-figure figcaption{font-size:12.5px;color:var(--muted);padding:10px 14px;background:#fff;border-top:1px solid var(--line);}
/* 筛选条 */
.filter-section{padding:28px 0;background:var(--paper);border-bottom:1px solid var(--line);}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;}
.chip-row{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--muted);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip.is-active{background:var(--green);border-color:var(--green);color:#F7F3EA;font-weight:600;}
.chip:hover{border-color:var(--brown);color:var(--green-dark);}
.filter-sort{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);}
.filter-sort select{
  height:40px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;padding:0 12px;color:var(--text);font-size:14px;
}
.filter-sort select:focus{border-color:var(--brown);outline:none;box-shadow:0 0 0 3px rgba(192,133,82,.16);}
/* 列表主体 */
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}
.cat-main h2{font-size:26px;}
.cat-main .section-lead{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:720px;}
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:30px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
  border-left:4px solid var(--green-soft);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brown);border-left-color:var(--brown);}
.post-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;flex-wrap:wrap;}
.post-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.post-title{font-size:18px;line-height:1.5;margin-bottom:10px;}
.post-title a{color:var(--text);}
.post-title a:hover{color:var(--green-dark);text-decoration:underline;text-underline-offset:4px;}
.post-excerpt{font-size:14.5px;color:var(--muted);line-height:1.75;flex:1 1 auto;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-more{margin-top:16px;font-size:14px;font-weight:600;color:var(--brown);}
.post-more:hover{color:var(--green-dark);}
.list-more{margin-top:34px;display:flex;justify-content:center;}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:40px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:50%;background:var(--green-soft);color:var(--green-dark);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
}
.empty-state p{color:var(--muted);font-size:15px;}
/* 侧栏 */
.cat-aside{display:flex;flex-direction:column;gap:22px;position:sticky;top:80px;}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.aside-card h3{font-size:16px;margin-bottom:16px;padding-left:10px;border-left:3px solid var(--brown);line-height:1.2;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  font-size:13px;color:var(--muted);background:var(--paper-2);border:1px solid var(--line);
  border-radius:999px;padding:4px 12px;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tag-cloud a:hover{background:var(--brown-soft);color:#8A5A31;border-color:var(--brown);}
.aside-list li{padding:14px 0;border-bottom:1px dashed var(--line);}
.aside-list li:last-child{border-bottom:0;padding-bottom:0;}
.aside-list li:first-child{padding-top:0;}
.aside-list a{display:block;font-size:15px;color:var(--text);line-height:1.55;font-weight:500;}
.aside-list a:hover{color:var(--green-dark);text-decoration:underline;text-underline-offset:4px;}
.aside-list .meta{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);}
/* 要点速览 */
.points-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow);border-top:3px solid var(--brown);
  transition:transform .2s ease,box-shadow .2s ease;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.point-card h3{font-size:17px;margin-bottom:10px;}
.point-card p{font-size:14.5px;color:var(--muted);line-height:1.75;}
/* 相关专题 */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.topic-card{
  display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brown);}
.topic-thumb{width:120px;flex:0 0 120px;border-radius:var(--radius-sm);overflow:hidden;background:var(--brown-soft);}
.topic-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.topic-body h3{font-size:17px;margin-bottom:8px;}
.topic-body h3 a{color:var(--text);}
.topic-body h3 a:hover{color:var(--green-dark);}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.topic-body .badge{margin-top:10px;}
/* 下载区 */
.dl-panel{
  background:linear-gradient(180deg,var(--green-dark),var(--green));
  border-radius:var(--radius);padding:36px;color:#E7EDE9;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:center;
}
.dl-panel h2{color:#F2F6F3;font-size:26px;}
.dl-panel p{margin-top:12px;color:#C4D4CB;font-size:14.5px;line-height:1.8;}
.dl-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.dl-btn{
  display:flex;flex-direction:column;align-items:flex-start;gap:6px;
  background:rgba(247,243,234,.08);border:1px solid rgba(247,243,234,.35);
  border-radius:var(--radius-sm);padding:16px 18px;color:#F7F3EA;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.dl-btn:hover{background:rgba(247,243,234,.18);border-color:#C08552;color:#fff;transform:translateY(-2px);}
.dl-btn strong{font-size:15.5px;font-weight:600;}
.dl-btn span{font-size:12.5px;color:#B9CBC1;letter-spacing:.4px;}
/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:var(--brown);box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--text);position:relative;
}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--cinnabar);opacity:0;transition:opacity .2s ease;border-radius:2px;}
.faq-item.open .faq-q::before{opacity:1;}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--green);
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{background:var(--green);border-color:var(--green);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:420px;}
.faq-a p{padding:0 20px 20px;color:var(--muted);font-size:14.5px;line-height:1.85;}
/* 底部 CTA */
.cat-cta{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cat-cta h2{font-size:23px;}
.cat-cta p{margin-top:10px;color:var(--muted);font-size:14.5px;max-width:620px;}
.cat-cta .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* 页脚 */
.site-footer{background:var(--night);color:#B9CBC1;padding:64px 0 28px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .logo-mark{background:var(--green);box-shadow:none;}
.footer-brand .logo-title{color:#F2F6F3;}
.footer-brand .logo-sub{color:#8FA79B;}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB3A8;max-width:420px;}
.footer-col h3{font-size:15px;color:#F2F6F3;margin-bottom:16px;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14px;color:#B9CBC1;padding:6px 0;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(220,211,194,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA79B;
}
/* 响应式 */
@media (max-width:1199px){
  .cat-hero h1{font-size:30px;}
  .cat-layout{grid-template-columns:minmax(0,1fr) 290px;gap:28px;}
  .points-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .container{padding:0 20px;}
  .masthead-inner{flex-wrap:wrap;gap:14px;padding:16px 20px;}
  .search-wrap{order:3;flex:1 1 100%;max-width:100%;}
  .masthead-cta{order:2;margin-left:auto;}
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
  .drawer{
    display:block;max-height:0;overflow:hidden;background:#fff;
    border-top:1px solid var(--line);transition:max-height .3s ease;
  }
  .drawer.open{max-height:78vh;overflow:auto;}
  .drawer-inner{padding:18px 20px 24px;}
  .drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
  .drawer-chips a{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 12px;}
  .drawer-list a{display:flex;align-items:center;min-height:44px;font-size:16px;color:var(--text);border-bottom:1px dashed var(--line);}
  .drawer-list a.active{color:var(--green-dark);font-weight:600;}
  .section{padding:56px 0;}
  .cat-hero{padding:34px 0 40px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:26px;}
  .cat-hero-figure{max-width:520px;}
  .cat-layout{grid-template-columns:1fr;}
  .cat-aside{position:static;}
  .dl-panel{grid-template-columns:1fr;padding:28px;}
  .dl-actions{grid-template-columns:repeat(3,minmax(0,1fr));}
  .topic-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .section{padding:40px 0;}
  .topbar-left{gap:12px;overflow-x:auto;}
  .topbar-note{display:none;}
  .cat-hero h1{font-size:26px;}
  .section-head h2,.cat-main h2,.dl-panel h2{font-size:22px;}
  .post-grid{grid-template-columns:1fr;}
  .points-grid{grid-template-columns:1fr;}
  .dl-actions{grid-template-columns:1fr;}
  .topic-card{flex-direction:column;align-items:flex-start;}
  .topic-thumb{width:100%;flex:0 0 auto;}
  .cat-cta{padding:24px 20px;flex-direction:column;align-items:flex-start;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .search-form{height:44px;}
  .search-submit{height:34px;padding:0 14px;font-size:13px;}
  .filter-bar{align-items:flex-start;}
}