/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#1E3A32;
  --c-primary-deep:#14261F;
  --c-primary-soft:#2F5A4C;
  --c-accent:#E4572E;
  --c-gold:#F2B705;
  --c-bg:#FBF7F1;
  --c-bg-alt:#F3EDE3;
  --c-surface:#FFFFFF;
  --c-text:#1A1A18;
  --c-text-2:#6B6862;
  --c-line:#E3DCD0;
  --c-success:#2F7D5B;
  --c-warn:#C98A00;
  --c-danger:#B23A2B;
  --r-sm:6px;--r-md:10px;--r-lg:16px;--r-pill:999px;
  --sh-1:0 1px 0 var(--c-line);
  --sh-2:0 6px 24px rgba(30,58,50,.07);
  --sh-3:0 14px 40px rgba(30,58,50,.12);
  --s-1:8px;--s-2:16px;--s-3:24px;--s-4:32px;--s-5:48px;--s-6:64px;--s-7:80px;--s-8:96px;
  --ff-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --ff-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-body-font-family:var(--ff-sans);
  --bs-body-color:#1A1A18;
  --bs-body-bg:#FBF7F1;
  --bs-primary:#1E3A32;
  --bs-primary-rgb:30,58,50;
  --bs-border-color:#E3DCD0;
  --bs-link-color:#1E3A32;
  --bs-link-hover-color:#E4572E;
  --bs-border-radius:6px;
  --bs-border-radius-lg:10px;
}
/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--ff-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4,h5{font-family:var(--ff-serif);color:var(--c-primary);font-weight:700;margin:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
::selection{background:rgba(228,87,46,.18);}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;
}
/* ============ 按钮 ============ */
.btn{
  --bs-btn-font-weight:600;
  --bs-btn-font-size:15px;
  --bs-btn-padding-y:12px;--bs-btn-padding-x:22px;
  border-radius:var(--r-sm)!important;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
  line-height:1.4;
}
.btn-primary{
  background:var(--c-primary)!important;border:1.5px solid var(--c-primary)!important;color:#fff!important;
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--c-primary-soft)!important;border-color:var(--c-primary-soft)!important;
  transform:translateY(-1px);box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline-primary{
  background:transparent!important;border:1.5px solid var(--c-primary)!important;color:var(--c-primary)!important;
}
.btn-outline-primary:hover,.btn-outline-primary:focus{
  background:var(--c-primary)!important;color:#fff!important;transform:translateY(-1px);
}
.btn-accent{
  background:var(--c-accent)!important;border:1.5px solid var(--c-accent)!important;color:#fff!important;
}
.btn-accent:hover,.btn-accent:focus{
  background:#c9451f!important;border-color:#c9451f!important;transform:translateY(-1px);box-shadow:var(--sh-3);
}
.btn-light-line{
  background:transparent!important;border:1.5px solid rgba(251,247,241,.72)!important;color:#FBF7F1!important;
}
.btn-light-line:hover,.btn-light-line:focus{
  background:#FBF7F1!important;color:var(--c-primary)!important;
}
.btn-cream{
  background:#FBF7F1!important;border:1.5px solid #FBF7F1!important;color:var(--c-primary)!important;
}
.btn-cream:hover,.btn-cream:focus{background:#fff!important;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-ghost{
  background:transparent!important;border:none!important;color:var(--c-primary)!important;
  padding:6px 0!important;border-bottom:2px solid var(--c-accent)!important;border-radius:0!important;
  font-size:14px;font-weight:600;
}
.btn-ghost:hover{color:var(--c-accent)!important;border-bottom-width:2px!important;}
.btn-sm-pad{padding:9px 16px!important;font-size:14px!important;}
/* ============ 顶条 ============ */
.topbar{background:var(--c-primary);color:#E9E2D6;font-size:13px;height:34px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:34px;gap:16px;position:relative;}
.topbar-brand{letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#E9E2D6;}
.topbar-city{position:absolute;left:50%;transform:translateX(-50%);}
.city-btn{
  background:transparent;border:none;color:#E9E2D6;font-size:13px;padding:4px 10px;
  border-left:1px solid rgba(233,226,214,.28);border-right:1px solid rgba(233,226,214,.28);
  cursor:pointer;transition:color .18s ease;
}
.city-btn:hover{color:#fff;}
.city-btn::after{margin-left:6px;vertical-align:middle;}
.dropdown-menu{
  border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-2);
  font-size:14px;padding:6px;background:var(--c-surface);
}
.dropdown-item{border-radius:var(--r-sm);padding:8px 12px;color:var(--c-text);}
.dropdown-item:hover,.dropdown-item:focus{background:var(--c-bg-alt);color:var(--c-primary);}
.topbar-links{display:flex;gap:18px;}
.topbar-links a{color:#CFC6B6;font-size:13px;}
.topbar-links a:hover{color:#fff;}
/* ============ 刊头 ============ */
.masthead{background:var(--c-bg);border-bottom:1px solid var(--c-primary);padding:20px 0;}
.masthead .container{display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:46px;height:46px;border-radius:var(--r-sm);background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:26px;height:26px;}
.brand-main{
  display:block;font-family:var(--ff-serif);font-size:32px;line-height:1.08;
  letter-spacing:.02em;color:var(--c-primary);font-weight:700;
}
.brand-sub{display:block;font-size:13px;color:var(--c-text-2);letter-spacing:.01em;margin-top:2px;}
.masthead-search{margin-left:auto;display:flex;align-items:center;gap:0;max-width:360px;flex:1 1 260px;}
.masthead-search input{
  flex:1 1 auto;min-width:0;height:44px;border:1px solid var(--c-line);border-right:none;
  border-radius:var(--r-sm) 0 0 var(--r-sm);padding:0 14px;background:var(--c-surface);color:var(--c-text);
}
.masthead-search input::placeholder{color:#A9A49A;}
.masthead-search input:focus{outline:none;border-color:var(--c-primary);}
.masthead-search button{
  height:44px;padding:0 20px;border:1px solid var(--c-primary);background:var(--c-primary);color:#fff;
  border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:14px;font-weight:600;cursor:pointer;transition:background .18s ease;
}
.masthead-search button:hover{background:var(--c-primary-soft);}
.masthead-cta{flex:0 0 auto;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:var(--r-sm);color:var(--c-primary);align-items:center;justify-content:center;cursor:pointer;
}
/* ============ 频道条 ============ */
.channel-bar{
  background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  position:sticky;top:0;z-index:1030;transition:box-shadow .18s ease,background .18s ease;
}
.channel-bar.is-stuck{box-shadow:var(--sh-2);background:var(--c-bg);}
.channel-inner{display:flex;align-items:stretch;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-list{display:flex;align-items:stretch;white-space:nowrap;}
.channel-list li{display:flex;}
.channel-list li + li a{border-left:1px solid var(--c-line);}
.channel-list a{
  display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;letter-spacing:.04em;
  color:var(--c-text);transition:color .18s ease,box-shadow .18s ease;
}
.channel-list a:hover{color:var(--c-primary);box-shadow:inset 0 -2px 0 var(--c-accent);}
.channel-list a.active{color:var(--c-primary);font-weight:600;box-shadow:inset 0 -2px 0 var(--c-accent);}
/* 移动端 offcanvas */
.offcanvas{border-left:1px solid var(--c-line);}
.offcanvas-header{border-bottom:1px solid var(--c-line);}
.offcanvas-title{font-family:var(--ff-serif);font-size:20px;color:var(--c-primary);}
.mobile-channel-list a{
  display:block;padding:16px 4px;font-family:var(--ff-serif);font-size:19px;color:var(--c-primary);
  border-bottom:1px solid var(--c-line);
}
.mobile-channel-list a:hover{color:var(--c-accent);}
/* ============ 通用板块 ============ */
.sec{padding:88px 0;position:relative;}
.sec-alt{background:var(--c-bg-alt);}
.sec-dark{background:var(--c-primary-deep);color:#EFE9DE;}
.sec-dark h2,.sec-dark h3,.sec-dark h4{color:#FBF7F1;}
.sec-dark p{color:#C9C0B1;}
.sec-line{border-top:1px solid var(--c-line);}
.sec-head{max-width:820px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.06em;color:var(--c-accent);
  padding-bottom:5px;border-bottom:2px solid var(--c-accent);margin-bottom:16px;
}
.sec-head h2{font-size:clamp(1.4rem,2.2vw,1.9rem);line-height:1.35;}
.sec-head p{color:var(--c-text-2);font-size:15px;margin:12px 0 0;}
.sec-dark .sec-head p{color:#BDB3A3;}
/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;min-height:600px;display:flex;align-items:center;color:#FBF7F1;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(20,38,31,.94) 0%,rgba(20,38,31,.86) 46%,rgba(20,38,31,.52) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:linear-gradient(rgba(251,247,241,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(251,247,241,.6) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-inner{position:relative;z-index:2;padding:96px 0 80px;max-width:820px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(228,87,46,.85);color:#FFD9CC;font-size:13px;letter-spacing:.04em;margin-bottom:24px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.hero h1{
  color:#FBF7F1;font-size:clamp(2rem,4vw,3.25rem);line-height:1.22;
  letter-spacing:.01em;margin-bottom:20px;
}
.hero-lead{font-size:16px;line-height:1.9;color:#D6CDBD;max-width:66ch;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:36px;}
.play-btn{
  display:inline-flex;align-items:center;gap:12px;background:transparent;border:none;color:#FBF7F1;
  font-size:15px;font-weight:600;cursor:pointer;padding:10px 4px;
}
.play-btn .play-circle{
  width:46px;height:46px;border-radius:50%;border:1.5px solid rgba(251,247,241,.7);
  display:flex;align-items:center;justify-content:center;transition:.18s ease;
}
.play-btn:hover .play-circle{background:#FBF7F1;}
.play-btn:hover .play-circle svg{fill:var(--c-primary);}
.play-btn svg{width:14px;height:14px;fill:#FBF7F1;margin-left:2px;transition:.18s ease;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(251,247,241,.2);padding-top:22px;}
.hero-stats li{padding-right:34px;margin-right:34px;border-right:1px solid rgba(251,247,241,.18);}
.hero-stats li:last-child{border-right:none;margin-right:0;padding-right:0;}
.hero-stats b{display:block;font-family:var(--ff-serif);font-size:26px;color:var(--c-gold);line-height:1.2;}
.hero-stats span{font-size:13px;color:#BDB3A3;}
/* ============ 数据条 ============ */
.metric-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.metric-row{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;}
.metric-row::-webkit-scrollbar{display:none;}
.metric-cell{
  flex:1 1 25%;min-width:210px;padding:32px 26px;border-right:1px solid var(--c-line);
  scroll-snap-align:start;
}
.metric-cell:last-child{border-right:none;}
.metric-cell b{display:block;font-family:var(--ff-serif);font-size:32px;color:var(--c-primary);line-height:1.2;}
.metric-cell b em{font-style:normal;color:var(--c-accent);}
.metric-cell span{font-size:13px;color:var(--c-text-2);}
/* ============ 卡点清单 ============ */
.pain-list{display:grid;gap:0;border-top:1px solid var(--c-line);}
.pain-item{
  display:grid;grid-template-columns:74px 1fr 1fr;gap:24px;align-items:start;
  padding:26px 4px;border-bottom:1px solid var(--c-line);transition:background .18s ease;
}
.pain-item:hover{background:rgba(30,58,50,.03);}
.pain-num{font-family:var(--ff-serif);font-size:26px;color:var(--c-accent);line-height:1.2;}
.pain-title{font-size:16px;color:var(--c-primary);font-weight:600;line-height:1.6;}
.pain-fix{font-size:14px;color:var(--c-text-2);line-height:1.75;}
.pain-fix::before{content:"解法 · ";color:var(--c-success);font-weight:600;}
/* ============ 功能分组 4/8 ============ */
.feat-wrap{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start;}
.feat-nav{position:sticky;top:96px;}
.feat-nav-title{font-size:13px;letter-spacing:.06em;color:var(--c-text-2);margin-bottom:16px;}
.feat-nav ul{border-left:2px solid var(--c-line);}
.feat-nav li a{
  display:block;padding:11px 0 11px 18px;font-size:15px;color:var(--c-text-2);
  border-left:2px solid transparent;margin-left:-2px;transition:.18s ease;
}
.feat-nav li a:hover,.feat-nav li a.active{color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent);}
.feat-group{margin-bottom:36px;}
.feat-group:last-child{margin-bottom:0;}
.feat-group h3{font-size:19px;margin-bottom:6px;}
.feat-group .grp-desc{font-size:14px;color:var(--c-text-2);margin-bottom:18px;}
.feat-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.feat-card{
  display:flex;gap:14px;padding:18px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);transition:.18s ease;
}
.feat-card:hover{border-color:rgba(30,58,50,.3);transform:translateY(-3px);box-shadow:var(--sh-2);}
.feat-icon{
  width:38px;height:38px;flex:0 0 auto;border-radius:var(--r-sm);background:var(--c-bg-alt);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  font-family:var(--ff-serif);font-size:16px;font-weight:700;
}
.feat-card h4{font-size:15px;margin-bottom:4px;font-family:var(--ff-sans);font-weight:600;color:var(--c-primary);}
.feat-card p{font-size:13px;color:var(--c-text-2);line-height:1.7;margin:0;}
/* ============ 场景横向滚动 ============ */
.scene-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;
  scrollbar-width:thin;
}
.scene-card{
  flex:0 0 calc(33.333% - 16px);min-width:290px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:.18s ease;
}
.scene-card:hover{border-color:rgba(30,58,50,.3);transform:translateY(-3px);box-shadow:var(--sh-2);}
.scene-thumb{aspect-ratio:16/10;background:var(--c-bg-alt);overflow:hidden;}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.scene-card:hover .scene-thumb img{transform:scale(1.04);}
.scene-body{padding:22px;}
.scene-tag{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(228,87,46,.1);color:var(--c-accent);margin-bottom:12px;
}
.scene-body h3{font-size:18px;line-height:1.5;margin-bottom:8px;}
.scene-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:14px;}
/* ============ 深色演示区 ============ */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.phone-stack{display:flex;align-items:flex-end;}
.phone-frame{
  flex:1 1 0;min-width:0;aspect-ratio:9/19;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(251,247,241,.24);background:rgba(251,247,241,.06);box-shadow:var(--sh-3);
}
.phone-frame img{width:100%;height:100%;object-fit:cover;}
.phone-frame:nth-child(1){transform:translateY(18px);}
.phone-frame:nth-child(2){transform:translateY(-14px);z-index:2;margin-left:-22px;margin-right:-22px;}
.phone-frame:nth-child(3){transform:translateY(18px);}
.step-list{border-top:1px solid rgba(251,247,241,.18);}
.step-list li{
  display:grid;grid-template-columns:56px 1fr;gap:16px;padding:20px 0;
  border-bottom:1px solid rgba(251,247,241,.14);
}
.step-list .num{font-family:var(--ff-serif);font-size:20px;color:var(--c-gold);line-height:1.4;}
.step-list h4{font-size:16px;color:#FBF7F1;margin-bottom:5px;font-family:var(--ff-sans);font-weight:600;}
.step-list p{font-size:14px;color:#BDB3A3;margin:0;line-height:1.7;}
.demo-foot{margin-top:28px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.demo-foot span{font-size:13px;color:#BDB3A3;}
/* ============ 流程时间轴 ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;}
.tl-item{position:relative;padding:0 22px 0 0;}
.tl-item::before{
  content:"";position:absolute;top:22px;left:48px;right:0;border-top:1px dashed var(--c-line);
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  width:44px;height:44px;border-radius:50%;background:var(--c-surface);border:1.5px solid var(--c-primary);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-serif);font-size:17px;position:relative;z-index:2;margin-bottom:18px;
}
.tl-item h3{font-size:17px;margin-bottom:6px;}
.tl-item p{font-size:13px;color:var(--c-text-2);line-height:1.7;margin:0;}
/* ============ 案例混排 ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:24px;}
.case-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  transition:.18s ease;display:flex;flex-direction:column;
}
.case-card:hover{border-color:rgba(30,58,50,.3);box-shadow:var(--sh-2);transform:translateY(-3px);}
.case-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt);}
.case-thumb img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.city-badge{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);color:var(--c-text-2);margin-bottom:12px;
}
.case-body h3{font-size:18px;line-height:1.5;margin-bottom:10px;}
.case-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:16px;}
.case-meta{display:flex;gap:20px;font-size:12px;color:var(--c-text-2);border-top:1px solid var(--c-line);padding-top:14px;margin-top:auto;}
.case-meta b{color:var(--c-primary);font-family:var(--ff-serif);font-size:15px;margin-right:4px;}
.case-rows{border-top:1px solid var(--c-line);}
.case-row{
  display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:center;
  padding:18px 4px;border-bottom:1px solid var(--c-line);transition:background .18s ease;
}
.case-row:hover{background:rgba(30,58,50,.03);}
.case-row .row-title{font-size:15px;color:var(--c-text);}
.case-row .row-date{font-size:12px;color:var(--c-text-2);}
/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:32px 26px;
  display:flex;flex-direction:column;transition:.18s ease;
}
.price-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.price-card.recommend{
  border:1.5px solid var(--c-primary);transform:scale(1.04);box-shadow:var(--sh-2);position:relative;z-index:2;
}
.price-card.recommend:hover{transform:scale(1.04) translateY(-3px);}
.rec-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--c-accent);color:#fff;font-size:12px;padding:4px 16px;border-radius:var(--r-pill);letter-spacing:.04em;
}
.price-name{font-size:17px;font-weight:600;color:var(--c-primary);margin-bottom:14px;}
.price-num{font-family:var(--ff-serif);font-size:38px;color:var(--c-primary);line-height:1.1;}
.price-num small{font-size:14px;color:var(--c-text-2);font-family:var(--ff-sans);font-weight:400;margin-left:4px;}
.price-desc{font-size:13px;color:var(--c-text-2);margin:10px 0 20px;line-height:1.7;}
.price-feats{list-style:none;padding:0;margin:0 0 26px;flex:1 1 auto;}
.price-feats li{
  font-size:14px;color:var(--c-text);line-height:1.7;padding:7px 0 7px 24px;position:relative;
}
.price-feats li::before{
  content:"✓";position:absolute;left:0;top:7px;color:var(--c-success);font-weight:700;font-size:13px;
}
.price-note{font-size:12px;color:var(--c-text-2);margin-top:18px;}
/* ============ 评价墙 ============ */
.quote-rows{display:flex;flex-direction:column;gap:22px;}
.quote-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-row.offset{padding-left:32px;}
.quote-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;
  transition:.18s ease;
}
.quote-card:hover{border-color:rgba(30,58,50,.3);box-shadow:var(--sh-2);transform:translateY(-3px);}
.stars{color:var(--c-gold);font-size:14px;letter-spacing:2px;margin-bottom:12px;}
.quote-card p{font-size:14px;line-height:1.8;color:var(--c-text);margin-bottom:18px;}
.quote-user{display:flex;align-items:center;gap:10px;}
.avatar-ini{
  width:34px;height:34px;border-radius:var(--r-sm);background:var(--c-primary);color:#FBF7F1;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-family:var(--ff-serif);
}
.quote-user .who{font-size:13px;color:var(--c-text);line-height:1.4;}
.quote-user .where{font-size:12px;color:var(--c-text-2);}
/* ============ 口碑数据 ============ */
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.voice-text h2{font-size:clamp(1.4rem,2.2vw,1.9rem);line-height:1.35;margin-bottom:18px;}
.voice-text p{font-size:15px;color:var(--c-text-2);line-height:1.85;margin-bottom:12px;}
.voice-grid-num{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;background:var(--c-surface);}
.voice-cell{padding:28px 24px;border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.voice-cell:nth-child(2n){border-right:none;}
.voice-cell:nth-child(n+3){border-bottom:none;}
.voice-cell b{display:block;font-family:var(--ff-serif);font-size:30px;color:var(--c-primary);line-height:1.2;}
.voice-cell span{font-size:12px;color:var(--c-text-2);}
/* ============ 分类入口 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-block{
  display:block;padding:26px 24px;border:1px solid var(--c-line);border-radius:var(--r-md);
  background:var(--c-bg-alt);position:relative;transition:.18s ease;min-height:148px;
}
.cat-block:hover{background:var(--c-primary);border-color:var(--c-primary);transform:translateY(-3px);box-shadow:var(--sh-2);}
.cat-block .cat-idx{font-size:12px;color:var(--c-text-2);letter-spacing:.08em;}
.cat-block h3{font-size:19px;margin:10px 0 6px;}
.cat-block .cat-count{font-size:12px;color:var(--c-text-2);}
.cat-block .cat-arrow{position:absolute;right:24px;bottom:22px;font-size:16px;color:var(--c-text-2);transition:.18s ease;}
.cat-block:hover .cat-idx,.cat-block:hover .cat-count{color:#C4BAA9;}
.cat-block:hover h3{color:#FBF7F1;}
.cat-block:hover .cat-arrow{color:var(--c-gold);transform:translateX(4px);}
/* ============ 资讯列表 ============ */
.news-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  height:100%;display:flex;flex-direction:column;transition:.18s ease;
}
.news-card:hover{border-color:rgba(30,58,50,.3);box-shadow:var(--sh-2);transform:translateY(-3px);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt);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{padding:22px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-tag{
  align-self:flex-start;font-size:12px;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(30,58,50,.08);color:var(--c-primary);margin-bottom:12px;
}
.news-body h3{font-size:16px;line-height:1.55;margin-bottom:8px;}
.news-body h3 a{color:var(--c-primary);}
.news-body h3 a:hover{color:var(--c-accent);}
.news-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--c-text-2);
  border-top:1px solid var(--c-line);padding-top:12px;margin-top:auto;
}
.news-meta .arrow{color:var(--c-primary);transition:transform .18s ease;}
.news-card:hover .news-meta .arrow{transform:translateX(4px);}
.empty-state{
  text-align:center;padding:64px 20px;border:1px dashed var(--c-line);border-radius:var(--r-md);
  background:var(--c-surface);
}
.empty-state .empty-ic{
  width:52px;height:52px;margin:0 auto 18px;border-radius:var(--r-md);background:var(--c-bg-alt);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:22px;
}
.empty-state p{font-size:14px;color:var(--c-text-2);margin-bottom:18px;}
/* ============ FAQ ============ */
.faq .accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--c-line);border-radius:0;
}
.faq .accordion-item:first-child{border-top:1px solid var(--c-line);}
.faq .accordion-button{
  background:transparent;box-shadow:none;padding:22px 44px 22px 18px;font-size:16px;
  color:var(--c-primary);font-weight:600;font-family:var(--ff-sans);line-height:1.6;
  position:relative;border-left:3px solid transparent;transition:.18s ease;
}
.faq .accordion-button:not(.collapsed){
  background:transparent;color:var(--c-primary);border-left-color:var(--c-accent);
}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button::after{
  content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--c-accent);background:none;width:auto;height:auto;line-height:1;
}
.faq .accordion-button:not(.collapsed)::after{content:"−";}
.faq .accordion-body{padding:0 44px 24px 18px;font-size:14px;color:var(--c-text-2);line-height:1.85;}
/* ============ 通栏 CTA ============ */
.cta-band{background:var(--c-primary);color:#FBF7F1;padding:72px 0;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-linear-gradient(45deg,#FBF7F1 0,#FBF7F1 1px,transparent 1px,transparent 14px);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-inner h2{color:#FBF7F1;font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.3;margin-bottom:10px;}
.cta-inner p{color:#C9C0B1;font-size:15px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-note{font-size:12px;color:#B0A695;margin-top:16px;}
/* ============ 保障条 ============ */
.guard-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.guard-item{padding:26px 22px;border-right:1px solid var(--c-line);display:flex;gap:14px;align-items:flex-start;}
.guard-item:last-child{border-right:none;}
.guard-ic{
  width:36px;height:36px;flex:0 0 auto;border-radius:var(--r-sm);background:rgba(30,58,50,.07);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:15px;
}
.guard-item h4{font-size:15px;margin-bottom:4px;font-family:var(--ff-sans);font-weight:600;color:var(--c-primary);}
.guard-item p{font-size:13px;color:var(--c-text-2);margin:0;line-height:1.65;}
/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:#C9C0B1;padding:64px 0 0;position:relative;overflow:hidden;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand-main{color:#FBF7F1;font-size:26px;}
.footer-brand .brand-sub{color:#9C9384;}
.footer-brand p{font-size:13px;color:#9C9384;line-height:1.8;margin:16px 0 20px;}
.footer-app{display:flex;gap:12px;flex-wrap:wrap;}
.footer-col h4{font-size:14px;color:#FBF7F1;font-family:var(--ff-sans);font-weight:600;margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13px;color:#9C9384;position:relative;padding-bottom:2px;}
.footer-col a:hover{color:#FBF7F1;border-bottom:2px solid var(--c-accent);}
.footer-seo{
  border-top:1px solid rgba(251,247,241,.12);padding:20px 0;font-size:12px;line-height:2;
  color:#8A8274;
}
.footer-seo a{color:#8A8274;margin-right:14px;}
.footer-seo a:hover{color:#FBF7F1;}
.footer-bottom{
  border-top:1px solid rgba(251,247,241,.12);padding:20px 0;display:flex;justify-content:space-between;
  align-items:center;gap:16px;flex-wrap:wrap;font-size:12px;color:#8A8274;
}
.footer-bottom a{color:#8A8274;}
.footer-bottom a:hover{color:#FBF7F1;}
.to-top{
  border:1px solid rgba(251,247,241,.28);background:transparent;color:#C9C0B1;font-size:12px;
  padding:7px 14px;border-radius:var(--r-sm);cursor:pointer;transition:.18s ease;
}
.to-top:hover{background:#FBF7F1;color:var(--c-primary);border-color:#FBF7F1;}
.footer-watermark{
  font-family:var(--ff-serif);font-size:clamp(46px,9vw,132px);line-height:1;text-align:center;
  color:rgba(233,226,214,.06);letter-spacing:.04em;user-select:none;pointer-events:none;
  padding:10px 0 22px;white-space:nowrap;overflow:hidden;
}
/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .feat-wrap{grid-template-columns:1fr;gap:28px;}
  .feat-nav{position:static;}
  .feat-nav ul{display:flex;flex-wrap:wrap;border-left:none;gap:8px;}
  .feat-nav li a{padding:7px 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);margin-left:0;}
  .feat-nav li a.active{border-color:var(--c-primary);background:var(--c-primary);color:#fff;}
  .demo-grid{gap:36px;}
}
@media (max-width:991.98px){
  .topbar-city{display:none;}
  .masthead{padding:14px 0;}
  .masthead .container{gap:14px;flex-wrap:wrap;}
  .brand-main{font-size:24px;}
  .brand-sub{font-size:12px;}
  .masthead-search{display:none;}
  .masthead-cta{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
  .channel-bar{display:none;}
  .sec{padding:64px 0;}
  .hero{min-height:auto;}
  .hero-inner{padding:72px 0 64px;}
  .voice-grid{grid-template-columns:1fr;gap:32px;}
  .price-grid{grid-template-columns:1fr;gap:22px;}
  .price-card.recommend{transform:none;}
  .price-card.recommend:hover{transform:translateY(-3px);}
  .case-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .guard-row{grid-template-columns:repeat(2,1fr);}
  .guard-item:nth-child(2){border-right:none;}
  .guard-item:nth-child(1),.guard-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .demo-grid{grid-template-columns:1fr;}
  .phone-stack{max-width:420px;margin:0 auto;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px;}
  .tl-item::before{display:none;}
  .quote-row{grid-template-columns:repeat(2,1fr);}
  .quote-row.offset{padding-left:0;}
  .quote-row .quote-card:last-child{display:none;}
  .metric-cell{min-width:190px;padding:24px 20px;}
  .metric-cell b{font-size:26px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .sec{padding:44px 0;}
  .hero h1{font-size:1.75rem;}
  .hero-lead{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-stats li{padding-right:18px;margin-right:18px;}
  .hero-stats b{font-size:20px;}
  .sec-head{margin-bottom:28px;}
  .pain-item{grid-template-columns:1fr;gap:8px;padding:20px 2px;}
  .pain-num{font-size:20px;}
  .feat-cards{grid-template-columns:1fr;}
  .scene-card{flex:0 0 82%;}
  .cat-grid{grid-template-columns:1fr;}
  .guard-row{grid-template-columns:1fr;}
  .guard-item{border-right:none;border-bottom:1px solid var(--c-line);}
  .guard-item:last-child{border-bottom:none;}
  .quote-row{grid-template-columns:1fr;}
  .quote-row .quote-card:last-child{display:block;}
  .timeline{grid-template-columns:1fr;gap:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .card,.scene-card,.case-card,.news-card,.price-card,.quote-card{box-shadow:none;}
  .voice-cell{padding:20px 16px;}
  .voice-cell b{font-size:24px;}
  .cta-band{padding:52px 0;}
  .footer-watermark{font-size:56px;}
  .case-row{grid-template-columns:1fr auto;gap:8px;}
  .case-row .row-title{grid-column:1 / -1;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --c-primary:#1E3A32;
  --c-primary-deep:#14261F;
  --c-primary-soft:#2F5A4C;
  --c-accent:#E4572E;
  --c-gold:#F2B705;
  --c-bg:#FBF7F1;
  --c-bg-alt:#F3EDE3;
  --c-surface:#FFFFFF;
  --c-text:#1A1A18;
  --c-text-2:#6B6862;
  --c-line:#E3DCD0;
  --c-success:#2F7D5B;
  --c-warn:#C98A00;
  --c-danger:#B23A2B;
  --r-sm:6px;--r-md:10px;--r-lg:16px;--r-pill:999px;
  --sh-1:0 1px 0 var(--c-line);
  --sh-2:0 6px 24px rgba(30,58,50,.07);
  --sh-3:0 14px 40px rgba(30,58,50,.12);
  --s-1:8px;--s-2:16px;--s-3:24px;--s-4:32px;--s-5:48px;--s-6:64px;--s-7:80px;--s-8:96px;
  --ff-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --ff-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-body-font-family:var(--ff-sans);
  --bs-body-color:#1A1A18;
  --bs-body-bg:#FBF7F1;
  --bs-primary:#1E3A32;
  --bs-primary-rgb:30,58,50;
  --bs-border-color:#E3DCD0;
  --bs-link-color:#1E3A32;
  --bs-link-hover-color:#E4572E;
  --bs-border-radius:6px;
  --bs-border-radius-lg:10px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--ff-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;
}
/* ===== 按钮 ===== */
.btn{
  --bs-btn-font-weight:600;
  --bs-btn-font-size:15px;
  --bs-btn-padding-y:12px;--bs-btn-padding-x:22px;
  border-radius:var(--r-sm)!important;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
  line-height:1.4;
}
.btn-primary{background:var(--c-primary)!important;border:1.5px solid var(--c-primary)!important;color:#fff!important;}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-soft)!important;border-color:var(--c-primary-soft)!important;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline-primary{background:transparent!important;border:1.5px solid var(--c-primary)!important;color:var(--c-primary)!important;}
.btn-outline-primary:hover,.btn-outline-primary:focus{background:var(--c-primary)!important;color:#fff!important;transform:translateY(-1px);}
.btn-accent{background:var(--c-accent)!important;border:1.5px solid var(--c-accent)!important;color:#fff!important;}
.btn-accent:hover,.btn-accent:focus{background:#c9451f!important;border-color:#c9451f!important;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-light-line{background:transparent!important;border:1.5px solid rgba(251,247,241,.72)!important;color:#FBF7F1!important;}
.btn-light-line:hover,.btn-light-line:focus{background:#FBF7F1!important;color:var(--c-primary)!important;}
.btn-cream{background:#FBF7F1!important;border:1.5px solid #FBF7F1!important;color:var(--c-primary)!important;}
.btn-cream:hover,.btn-cream:focus{background:#fff!important;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-ghost{
  background:transparent!important;border:none!important;color:var(--c-primary)!important;
  padding:6px 0!important;border-bottom:2px solid var(--c-accent)!important;border-radius:0!important;
  font-size:14px;font-weight:600;
}
.btn-ghost:hover{color:var(--c-accent)!important;}
.btn-sm-pad{padding:9px 16px!important;font-size:14px!important;}
/* ===== 顶条 ===== */
.topbar{background:var(--c-primary);color:#E9E2D6;font-size:13px;height:34px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:34px;gap:16px;position:relative;}
.topbar-brand{letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#E9E2D6;}
.topbar-city{position:absolute;left:50%;transform:translateX(-50%);}
.city-btn{
  background:transparent;border:none;color:#E9E2D6;font-size:13px;padding:4px 10px;
  border-left:1px solid rgba(233,226,214,.28);border-right:1px solid rgba(233,226,214,.28);
  cursor:pointer;transition:color .18s ease;
}
.city-btn:hover{color:#fff;}
.dropdown-menu{
  border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-2);
  font-size:14px;padding:6px;background:var(--c-surface);
}
.dropdown-item{border-radius:var(--r-sm);padding:8px 12px;color:var(--c-text);}
.dropdown-item:hover,.dropdown-item:focus{background:var(--c-bg-alt);color:var(--c-primary);}
.topbar-links{display:flex;gap:18px;}
.topbar-links a{color:#CFC6B6;font-size:13px;}
.topbar-links a:hover{color:#fff;}
/* ===== 刊头 ===== */
.masthead{background:var(--c-bg);padding:20px 0;border-bottom:1px solid var(--c-primary);}
.masthead .container{display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:46px;height:46px;border-radius:var(--r-sm);background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:26px;height:26px;}
.brand-main{
  display:block;font-family:var(--ff-serif);font-size:32px;line-height:1.08;
  letter-spacing:.02em;color:var(--c-primary);font-weight:700;
}
.brand-sub{display:block;font-size:13px;color:var(--c-text-2);letter-spacing:.01em;margin-top:2px;}
.masthead-search{margin-left:auto;display:flex;align-items:stretch;max-width:360px;flex:1 1 260px;}
.masthead-search input{
  flex:1 1 auto;min-width:0;height:44px;border:1px solid var(--c-line);border-right:none;
  border-radius:var(--r-sm) 0 0 var(--r-sm);padding:0 14px;background:var(--c-surface);
  color:var(--c-text);outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.masthead-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,58,50,.09);}
.masthead-search button{
  height:44px;border:1px solid var(--c-primary);background:var(--c-primary);color:#fff;
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:0 18px;font-size:14px;font-weight:600;
  cursor:pointer;transition:background-color .18s ease;
}
.masthead-search button:hover{background:var(--c-primary-soft);}
.masthead-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1.5px solid var(--c-primary);background:transparent;
  border-radius:var(--r-sm);color:var(--c-primary);font-size:20px;line-height:1;cursor:pointer;
  align-items:center;justify-content:center;margin-left:auto;
}
/* ===== 频道条 ===== */
.channel-bar{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.channel-bar .container{display:flex;align-items:center;min-height:48px;}
.channel-list{display:flex;flex-wrap:wrap;list-style:none;margin:0;padding:0;}
.channel-list li{display:flex;align-items:center;}
.channel-list li + li{border-left:1px solid var(--c-line);}
.channel-list a{
  display:inline-flex;align-items:center;height:48px;padding:0 18px;font-size:15px;
  letter-spacing:.04em;color:var(--c-text);position:relative;
}
.channel-list a:hover{color:var(--c-accent);}
.channel-list a.active{color:var(--c-accent);font-weight:600;}
.channel-list a.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:0;height:2px;background:var(--c-accent);
}
.channel-bar.is-stuck{position:sticky;top:0;z-index:1030;box-shadow:var(--sh-1);}
/* ===== 抽屉 ===== */
.offcanvas{background:var(--c-bg);}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 22px;}
.offcanvas-title{font-family:var(--ff-serif);font-size:20px;color:var(--c-primary);}
.drawer-list{list-style:none;margin:0;padding:0;}
.drawer-list li{border-bottom:1px solid var(--c-line);}
.drawer-list a{
  display:block;padding:16px 4px;font-family:var(--ff-serif);font-size:19px;color:var(--c-primary);
}
.drawer-list a:hover{color:var(--c-accent);}
.drawer-cta{padding:20px 22px;border-top:1px solid var(--c-line);}
/* ===== 文章页 ===== */
.page-wrap{padding:28px 0 0;}
.crumb-bar{border-bottom:1px solid var(--c-line);padding-bottom:16px;margin-bottom:28px;}
.crumb-line{font-size:13px;color:var(--c-text-2);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb-line a{color:var(--c-text-2);}
.crumb-line a:hover{color:var(--c-accent);}
.crumb-sep{color:var(--c-line);}
.crumb-current{color:var(--c-text-2);max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cat-chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border:1px solid rgba(228,87,46,.42);border-radius:var(--r-pill);
  background:rgba(228,87,46,.07);color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--c-line);}
.article-h1{
  font-family:var(--ff-serif);font-size:clamp(1.75rem,3.3vw,2.65rem);line-height:1.28;
  font-weight:700;color:var(--c-primary);margin:14px 0 16px;letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-text-2);
}
.meta-dot{color:var(--c-line);}
.article-lead{
  margin-top:18px;font-size:15px;line-height:1.9;color:var(--c-text-2);
  border-left:3px solid var(--c-accent);padding-left:16px;max-width:72ch;
}
.cover-figure{margin:26px 0 0;}
.cover-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--c-line);background:var(--c-bg-alt);
}
.cover-caption{font-size:12px;color:var(--c-text-2);margin-top:10px;text-align:center;}
.reader-grid{padding:40px 0 8px;}
.article-body{
  max-width:72ch;font-size:16px;line-height:1.85;color:var(--c-text);
}
.article-body > p:first-of-type{border-left:3px solid var(--c-accent);padding-left:16px;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-family:var(--ff-serif);font-size:clamp(1.35rem,2.1vw,1.8rem);line-height:1.4;
  color:var(--c-primary);margin:40px 0 14px;padding-left:16px;position:relative;font-weight:700;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.38em;bottom:.28em;width:3px;background:var(--c-accent);
}
.article-body h3{
  font-family:var(--ff-serif);font-size:20px;line-height:1.5;color:var(--c-primary);
  margin:28px 0 10px;font-weight:700;
}
.article-body h4{font-size:17px;margin:22px 0 8px;color:var(--c-primary);font-weight:700;}
.article-body a{color:var(--c-accent);border-bottom:1px solid rgba(228,87,46,.45);}
.article-body a:hover{border-bottom-color:var(--c-accent);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body li{margin:.4em 0;line-height:1.8;}
.article-body ul li::marker{color:var(--c-primary);}
.article-body ol li::marker{color:var(--c-primary);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--c-bg-alt);border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-text-2);font-size:15px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.2em 0;height:auto;border:1px solid var(--c-line);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:12px;color:var(--c-text-2);text-align:center;margin-top:8px;}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:14px;margin:22px 0;}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--c-bg-alt);font-weight:600;color:var(--c-primary);white-space:nowrap;}
.article-body pre{
  background:#F1ECE2;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 18px;overflow-x:auto;font-size:13px;line-height:1.7;margin:22px 0;
}
.article-body code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13.5px;}
.article-body pre code{background:none;padding:0;border:none;}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0;}
.article-empty{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:48px 24px;text-align:center;max-width:640px;
}
.article-empty h2{font-family:var(--ff-serif);font-size:24px;color:var(--c-primary);margin:14px 0 8px;}
.article-empty p{color:var(--c-text-2);font-size:15px;margin-bottom:20px;}
.empty-icon{
  width:52px;height:52px;margin:0 auto;border-radius:var(--r-sm);background:var(--c-bg-alt);
  border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);font-size:22px;
}
/* 侧栏 */
.side-col{position:relative;}
.sticky-stack{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.side-card:hover{border-color:rgba(30,58,50,.3);box-shadow:var(--sh-2);}
.side-card h3{font-family:var(--ff-serif);font-size:18px;color:var(--c-primary);margin:0 0 8px;font-weight:700;}
.side-card p{font-size:13px;line-height:1.8;color:var(--c-text-2);margin:0 0 16px;}
.side-note{font-size:12px;color:var(--c-text-2);margin-top:10px;line-height:1.7;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{
  font-size:13.5px;line-height:1.75;color:var(--c-text);padding:10px 0 10px 18px;
  border-bottom:1px dashed var(--c-line);position:relative;
}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list li::before{
  content:"";position:absolute;left:0;top:1.05em;width:6px;height:6px;
  background:var(--c-accent);border-radius:1px;
}
/* 要点卡 */
.key-card{
  background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 24px;margin:34px 0;
}
.key-card h3{
  font-family:var(--ff-serif);font-size:17px;color:var(--c-primary);margin:0 0 14px;font-weight:700;
  letter-spacing:.02em;
}
.key-list{list-style:none;margin:0;padding:0;counter-reset:keyn;}
.key-list li{
  counter-increment:keyn;position:relative;padding-left:34px;font-size:14.5px;line-height:1.8;
  color:var(--c-text);margin-bottom:10px;
}
.key-list li:last-child{margin-bottom:0;}
.key-list li::before{
  content:counter(keyn,decimal-leading-zero);position:absolute;left:0;top:.18em;
  font-family:var(--ff-serif);font-size:13px;color:var(--c-accent);font-weight:700;letter-spacing:.04em;
}
/* 标签 */
.tag-section{padding:36px 0 0;}
.section-kicker{
  font-size:12px;letter-spacing:.14em;color:var(--c-accent);font-weight:600;
  text-transform:uppercase;margin-bottom:8px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text);
  font-size:13px;transition:all .18s ease;
}
.tag:hover{border-color:var(--c-primary);background:var(--c-primary);color:#fff;}
.copy-btn{margin-left:auto;}
/* 相关推荐 */
.rel-section{padding:56px 0;border-top:1px solid var(--c-line);margin-top:40px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-title{font-family:var(--ff-serif);font-size:clamp(1.3rem,2vw,1.65rem);color:var(--c-primary);margin:0;font-weight:700;line-height:1.4;}
.sec-title .accent-line{display:block;width:36px;height:3px;background:var(--c-accent);margin-bottom:12px;}
.rel-card{
  display:flex;gap:16px;height:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:16px;transition:all .18s ease;
}
.rel-card:hover{border-color:rgba(30,58,50,.32);transform:translateY(-3px);box-shadow:var(--sh-2);}
.rel-thumb{
  flex:0 0 96px;width:96px;height:96px;border-radius:var(--r-sm);overflow:hidden;
  background:var(--c-bg-alt);border:1px solid var(--c-line);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{min-width:0;display:flex;flex-direction:column;}
.rel-title{
  font-size:15px;line-height:1.55;color:var(--c-primary);font-weight:600;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-title{color:var(--c-accent);}
.rel-meta{font-size:12px;color:var(--c-text-2);margin-top:auto;}
.rel-empty{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-md);
  padding:34px 24px;text-align:center;color:var(--c-text-2);font-size:14px;
}
/* 返回 */
.back-section{padding:0 0 72px;}
.back-inner{text-align:center;border-top:1px solid var(--c-line);padding-top:36px;}
/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-primary-deep);color:#D9D2C5;padding:64px 0 0;position:relative;overflow:hidden;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-main{
  display:block;font-family:var(--ff-serif);font-size:26px;color:#FBF7F1;letter-spacing:.02em;line-height:1.2;
}
.footer-brand .brand-sub{display:block;font-size:13px;color:#A9A296;margin-top:6px;}
.footer-brand p{font-size:13px;line-height:1.85;color:#B4ADA1;margin:16px 0 20px;max-width:34ch;}
.footer-app{display:flex;gap:10px;flex-wrap:wrap;}
.footer-col h4{
  font-size:14px;color:#FBF7F1;font-weight:600;letter-spacing:.06em;margin:0 0 16px;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:#B4ADA1;border-bottom:2px solid transparent;padding-bottom:1px;transition:all .18s ease;}
.footer-col a:hover{color:#FBF7F1;border-bottom-color:var(--c-accent);}
.footer-seo{
  display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(251,247,241,.14);
}
.footer-seo a{font-size:12px;color:#8E887D;}
.footer-seo a:hover{color:#FBF7F1;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:22px;padding:18px 0 22px;border-top:1px solid rgba(251,247,241,.14);
  font-size:12.5px;color:#8E887D;
}
.to-top{
  background:transparent;border:1px solid rgba(251,247,241,.3);color:#D9D2C5;
  border-radius:var(--r-sm);padding:7px 14px;font-size:12.5px;cursor:pointer;
  transition:all .18s ease;
}
.to-top:hover{background:#FBF7F1;color:var(--c-primary);border-color:#FBF7F1;}
.footer-watermark{
  font-family:var(--ff-serif);font-size:clamp(48px,12vw,132px);line-height:1;color:#FBF7F1;
  opacity:.06;text-align:center;letter-spacing:.06em;pointer-events:none;user-select:none;
  margin-top:16px;white-space:nowrap;
}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  .brand-main{font-size:28px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991px){
  .topbar-city{display:none;}
  .masthead{padding:16px 0;}
  .masthead .container{gap:14px;}
  .masthead-search{display:none;}
  .masthead-cta{display:none;}
  .nav-toggle{display:flex;}
  .brand-main{font-size:24px;}
  .brand-sub{font-size:12px;}
  .brand-mark{width:40px;height:40px;}
  .brand-mark svg{width:22px;height:22px;}
  .channel-bar{display:none;}
  .sticky-stack{position:static;top:auto;margin-top:28px;}
  .reader-grid{padding-top:28px;}
  .rel-section{padding:44px 0;}
  .back-section{padding-bottom:52px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .topbar-links a:first-child{display:none;}
  .topbar-brand{font-size:12px;}
  .brand-main{font-size:21px;}
  .brand-sub{font-size:11.5px;line-height:1.4;}
  .article-h1{font-size:1.6rem;}
  .article-lead{font-size:14px;}
  .page-wrap{padding-top:18px;}
  .crumb-current{white-space:normal;max-width:100%;}
  .key-card{padding:18px 18px;}
  .rel-card{flex-direction:column;}
  .rel-thumb{width:100%;flex:0 0 auto;height:150px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-seo{margin-top:30px;}
  .copy-btn{margin-left:0;}
  .side-card:hover,.rel-card:hover{box-shadow:none;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .article-body h2{font-size:1.25rem;}
  .article-body h3{font-size:18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1E3A32;
  --c-primary-deep:#14261F;
  --c-primary-soft:#2F5A4C;
  --c-accent:#E4572E;
  --c-gold:#F2B705;
  --c-bg:#FBF7F1;
  --c-bg-alt:#F3EDE3;
  --c-surface:#FFFFFF;
  --c-text:#1A1A18;
  --c-text-2:#6B6862;
  --c-line:#E3DCD0;
  --c-success:#2F7D5B;
  --c-warn:#C98A00;
  --c-danger:#B23A2B;
  --r-sm:6px;--r-md:10px;--r-lg:16px;--r-pill:999px;
  --sh-1:0 1px 0 var(--c-line);
  --sh-2:0 6px 24px rgba(30,58,50,.07);
  --sh-3:0 14px 40px rgba(30,58,50,.12);
  --s-1:8px;--s-2:16px;--s-3:24px;--s-4:32px;--s-5:48px;--s-6:64px;--s-7:80px;--s-8:96px;
  --ff-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --ff-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-body-font-family:var(--ff-sans);
  --bs-body-color:#1A1A18;
  --bs-body-bg:#FBF7F1;
  --bs-primary:#1E3A32;
  --bs-primary-rgb:30,58,50;
  --bs-border-color:#E3DCD0;
  --bs-link-color:#1E3A32;
  --bs-link-hover-color:#E4572E;
  --bs-border-radius:6px;
  --bs-border-radius-lg:10px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--ff-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{font-family:var(--ff-serif);color:var(--c-primary);margin:0 0 12px;font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(1.85rem,3.4vw,2.75rem);line-height:1.28;}
h2{font-size:clamp(1.4rem,2.2vw,1.9rem);line-height:1.38;}
h3{font-size:20px;line-height:1.5;}
p{margin:0 0 1em;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;
}
/* ===== 按钮 ===== */
.btn{
  --bs-btn-font-weight:600;
  --bs-btn-font-size:15px;
  --bs-btn-padding-y:12px;--bs-btn-padding-x:22px;
  border-radius:var(--r-sm)!important;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
  line-height:1.4;
}
.btn-primary{background:var(--c-primary)!important;border:1.5px solid var(--c-primary)!important;color:#fff!important;}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-soft)!important;border-color:var(--c-primary-soft)!important;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline-primary{background:transparent!important;border:1.5px solid var(--c-primary)!important;color:var(--c-primary)!important;}
.btn-outline-primary:hover,.btn-outline-primary:focus{background:var(--c-primary)!important;color:#fff!important;transform:translateY(-1px);}
.btn-accent{background:var(--c-accent)!important;border:1.5px solid var(--c-accent)!important;color:#fff!important;}
.btn-accent:hover,.btn-accent:focus{background:#c9451f!important;border-color:#c9451f!important;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-light-line{background:transparent!important;border:1.5px solid rgba(251,247,241,.72)!important;color:#FBF7F1!important;}
.btn-light-line:hover,.btn-light-line:focus{background:#FBF7F1!important;color:var(--c-primary)!important;}
.btn-cream{background:#FBF7F1!important;border:1.5px solid #FBF7F1!important;color:var(--c-primary)!important;}
.btn-cream:hover,.btn-cream:focus{background:#fff!important;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-ghost{background:transparent!important;border:none!important;color:var(--c-primary)!important;padding:6px 0!important;border-bottom:2px solid var(--c-accent)!important;border-radius:0!important;font-size:14px;font-weight:600;}
.btn-ghost:hover{color:var(--c-accent)!important;}
.btn-sm-pad{padding:9px 16px!important;font-size:14px!important;}
/* ===== 顶条 ===== */
.topbar{background:var(--c-primary);color:#E9E2D6;font-size:13px;height:34px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:34px;gap:16px;position:relative;}
.topbar-brand{letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#E9E2D6;}
.topbar-city{position:absolute;left:50%;transform:translateX(-50%);}
.city-btn{background:transparent;border:none;color:#E9E2D6;font-size:13px;padding:4px 10px;border-left:1px solid rgba(233,226,214,.28);border-right:1px solid rgba(233,226,214,.28);cursor:pointer;transition:color .18s ease;}
.city-btn:hover,.city-btn:focus{color:#fff;}
.city-btn::after{margin-left:6px;vertical-align:middle;}
.dropdown-menu{border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-2);font-size:14px;padding:6px;background:var(--c-surface);}
.dropdown-item{border-radius:var(--r-sm);padding:8px 12px;color:var(--c-text);}
.dropdown-item:hover,.dropdown-item:focus{background:var(--c-bg-alt);color:var(--c-primary);}
.topbar-links{display:flex;gap:18px;}
.topbar-links a{color:#CFC6B6;font-size:13px;}
.topbar-links a:hover{color:#fff;}
/* ===== 刊头 ===== */
.site-header{background:var(--c-bg);}
.masthead{padding:20px 0;border-bottom:1px solid var(--c-primary);}
.masthead .container{display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{width:46px;height:46px;border-radius:var(--r-sm);background:var(--c-primary);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand-mark svg{width:26px;height:26px;}
.brand-main{display:block;font-family:var(--ff-serif);font-size:30px;line-height:1.1;letter-spacing:.02em;color:var(--c-primary);font-weight:700;}
.brand-sub{display:block;font-size:13px;color:var(--c-text-2);letter-spacing:.01em;margin-top:2px;}
.masthead-search{margin-left:auto;display:flex;align-items:center;max-width:340px;flex:1 1 240px;}
.masthead-search input{flex:1 1 auto;min-width:0;height:44px;border:1px solid var(--c-line);border-right:none;border-radius:var(--r-sm) 0 0 var(--r-sm);background:var(--c-surface);padding:0 14px;color:var(--c-text);}
.masthead-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:inset 0 0 0 1px var(--c-primary);}
.masthead-search .btn{border-radius:0 var(--r-sm) var(--r-sm) 0!important;height:44px;padding:0 18px!important;}
.masthead-cta{flex:0 0 auto;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-sm);padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-primary);}
/* ===== 频道条 ===== */
.channel-bar{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:1020;}
.channel-inner{display:flex;align-items:center;height:52px;}
.channel-list{display:flex;align-items:center;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none;width:100%;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list li+li{border-left:1px solid var(--c-line);}
.channel-list a{display:inline-flex;align-items:center;height:52px;padding:0 18px;font-size:15px;letter-spacing:.04em;color:var(--c-primary);border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
.channel-list a:hover{color:var(--c-accent);background:rgba(228,87,46,.05);}
.channel-list a.active{color:var(--c-accent);border-bottom-color:var(--c-accent);font-weight:600;}
.offcanvas{border-left:1px solid var(--c-line);}
.offcanvas-header{border-bottom:1px solid var(--c-line);}
.oc-title{font-family:var(--ff-serif);font-size:20px;color:var(--c-primary);font-weight:700;}
.oc-list{list-style:none;margin:0;padding:0;}
.oc-list li{border-bottom:1px solid var(--c-line);}
.oc-list a{display:block;padding:16px 4px;font-family:var(--ff-serif);font-size:18px;color:var(--c-primary);}
.oc-list a.active{color:var(--c-accent);}
.oc-cta{padding:20px 4px;}
.oc-cta .btn{width:100%;}
/* ===== 主体 ===== */
main{display:block;}
.section{padding:var(--s-7) 0;}
.section-alt{background:var(--c-bg-alt);}
.section-line{border-top:1px solid var(--c-line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{margin-bottom:4px;}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--c-text-2);margin-bottom:6px;}
.sec-kicker::before{content:"";display:block;width:22px;height:3px;background:var(--c-accent);}
.sec-sub{color:var(--c-text-2);font-size:15px;margin:0;max-width:64ch;}
/* ===== 分类刊头 ===== */
.cat-head{padding:40px 0 32px;background:var(--c-bg);border-bottom:1px solid var(--c-line);position:relative;}
.cat-head::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(30,58,50,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(30,58,50,.035) 1px,transparent 1px);background-size:26px 26px;opacity:.9;pointer-events:none;}
.cat-head .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--c-text-2);margin-bottom:14px;list-style:none;padding:0;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-accent);}
.crumb li+li::before{content:"/";margin-right:8px;color:var(--c-line);}
.cat-head h1{margin-bottom:12px;max-width:22ch;}
.cat-desc{color:var(--c-text-2);font-size:15px;line-height:1.85;max-width:72ch;margin-bottom:20px;}
.cat-stat{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);overflow:hidden;max-width:560px;}
.cat-stat div{padding:12px 20px;flex:1 1 150px;}
.cat-stat div+div{border-left:1px solid var(--c-line);}
.cat-stat strong{display:block;font-family:var(--ff-serif);font-size:22px;color:var(--c-primary);line-height:1.2;}
.cat-stat span{font-size:12px;color:var(--c-text-2);}
/* ===== 筛选条 ===== */
.filter-bar{position:sticky;top:53px;z-index:1010;background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--sh-1);}
.filter-inner{display:flex;align-items:center;gap:16px;padding:12px 0;flex-wrap:wrap;}
.chip-group{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;padding-bottom:2px;}
.chip-group::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text-2);font-size:13px;padding:8px 16px;border-radius:var(--r-pill);cursor:pointer;transition:all .18s ease;min-height:38px;}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.filter-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.filter-right select{height:38px;border:1px solid var(--c-line);border-radius:var(--r-sm);padding:0 12px;background:var(--c-surface);color:var(--c-text);font-size:13px;}
.filter-right select:focus{outline:none;border-color:var(--c-primary);}
/* ===== 资源列表卡 ===== */
.res-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 20px 16px 22px;height:100%;position:relative;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
.res-card::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--c-line);border-radius:2px;transition:background-color .18s ease;}
.res-card:hover{border-color:rgba(30,58,50,.32);transform:translateY(-3px);box-shadow:var(--sh-2);}
.res-card:hover::before{background:var(--c-accent);}
.res-no{font-family:var(--ff-serif);font-size:12px;letter-spacing:.14em;color:var(--c-accent);margin-bottom:6px;display:block;}
.res-title{font-family:var(--ff-serif);font-size:16px;line-height:1.55;color:var(--c-primary);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.res-card:hover .res-title{color:var(--c-accent);}
.res-desc{font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.res-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--c-text-2);border-top:1px solid var(--c-line);padding-top:12px;}
.tag{display:inline-flex;align-items:center;padding:2px 9px;border-radius:var(--r-pill);font-size:12px;line-height:1.6;border:1px solid var(--c-line);background:var(--c-bg-alt);color:var(--c-text-2);}
.tag-city{background:rgba(30,58,50,.08);border-color:rgba(30,58,50,.18);color:var(--c-primary);}
.tag-cat{background:rgba(228,87,46,.08);border-color:rgba(228,87,46,.22);color:#B23A2B;}
.res-meta .dot{color:var(--c-line);}
.res-meta time{margin-left:auto;}
/* ===== 分页 ===== */
.pager-bar{padding-top:32px;text-align:center;}
.pager-bar .btn{min-width:220px;}
.pager-note{font-size:12px;color:var(--c-text-2);margin:12px 0 0;}
/* ===== 精选条 ===== */
.feature-item{display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:14px;height:100%;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
.feature-item:hover{border-color:rgba(30,58,50,.32);transform:translateY(-2px);box-shadow:var(--sh-2);}
.feature-thumb{width:96px;height:72px;flex:0 0 auto;border-radius:var(--r-sm);overflow:hidden;background:var(--c-bg-alt);border:1px solid var(--c-line);}
.feature-thumb img{width:100%;height:100%;object-fit:cover;}
.feature-body{min-width:0;}
.feature-body h3{font-size:15px;line-height:1.55;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--c-primary);}
.feature-item:hover h3{color:var(--c-accent);}
.feature-sub{font-size:12px;color:var(--c-text-2);display:flex;gap:8px;flex-wrap:wrap;}
.empty-note{text-align:center;padding:36px 20px;border:1px dashed var(--c-line);border-radius:var(--r-md);background:var(--c-surface);color:var(--c-text-2);font-size:14px;}
/* ===== 指南 ===== */
.guide-aside h2{font-size:22px;margin-bottom:10px;}
.guide-aside p{font-size:14px;color:var(--c-text-2);}
.guide-aside .btn{margin-top:8px;}
.guide-body{max-width:68ch;}
.guide-body p{font-size:15.5px;line-height:1.9;color:#2C2B27;}
.guide-points{list-style:none;padding:0;margin:20px 0 0;counter-reset:gp;}
.guide-points li{position:relative;padding-left:38px;margin-bottom:12px;font-size:15px;color:#2C2B27;}
.guide-points li::before{counter-increment:gp;content:counter(gp,decimal-leading-zero);position:absolute;left:0;top:2px;width:26px;height:26px;background:var(--c-primary);color:#FBF7F1;border-radius:4px;font-size:12px;font-family:var(--ff-serif);display:flex;align-items:center;justify-content:center;}
/* ===== FAQ ===== */
.acc-item{border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease;}
.acc-item:hover{border-color:rgba(30,58,50,.28);}
.accordion-button{background:transparent!important;color:var(--c-primary)!important;font-family:var(--ff-sans);font-weight:600;font-size:16px;padding:18px 52px 18px 18px;position:relative;border:none!important;box-shadow:none!important;border-left:3px solid var(--c-accent)!important;border-radius:0!important;}
.accordion-button:not(.collapsed){color:var(--c-primary)!important;background:rgba(30,58,50,.03)!important;}
.accordion-button::after{content:"+";display:flex;align-items:center;justify-content:center;width:24px;height:24px;background-image:none!important;background:transparent;font-size:20px;line-height:1;color:var(--c-primary);position:absolute;right:16px;top:50%;transform:translateY(-50%);transition:transform .2s ease,color .2s ease;}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--c-accent);transform:translateY(-50%) rotate(180deg);}
.accordion-body{padding:0 20px 18px 21px;font-size:15px;line-height:1.85;color:var(--c-text-2);}
/* ===== CTA ===== */
.cta-band{background:var(--c-primary-deep);color:#F0EAE0;padding:var(--s-6) 0;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(251,247,241,.05) 0 1px,transparent 1px 16px);pointer-events:none;}
.cta-band .container{position:relative;z-index:1;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#FBF7F1;margin-bottom:10px;font-size:clamp(1.35rem,2.4vw,1.85rem);}
.cta-band p{color:#C9C1B4;font-size:15px;margin:0;max-width:56ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-note{font-size:12px;color:#A79F92;margin-top:14px;}
/* ===== 保障条 ===== */
.guarantee{background:var(--c-surface);border-top:1px solid var(--c-line);}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.g-item{padding:26px 22px;display:flex;gap:12px;align-items:flex-start;}
.g-item+.g-item{border-left:1px solid var(--c-line);}
.g-icon{width:30px;height:30px;flex:0 0 auto;border-radius:var(--r-sm);background:rgba(30,58,50,.08);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;font-family:var(--ff-serif);}
.g-item h4{font-size:15px;margin:0 0 4px;font-family:var(--ff-sans);font-weight:600;color:var(--c-primary);}
.g-item p{font-size:13px;color:var(--c-text-2);margin:0;line-height:1.7;}
/* ===== 页脚 ===== */
.site-footer{background:var(--c-primary);color:#DCD5C8;padding:64px 0 24px;margin-top:0;position:relative;overflow:hidden;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(251,247,241,.14);}
.footer-brand .brand-main{color:#FBF7F1;font-size:26px;font-family:var(--ff-serif);letter-spacing:.02em;display:block;font-weight:700;}
.footer-brand .brand-sub{color:#A79F92;font-size:13px;display:block;margin-top:4px;}
.footer-brand p{font-size:13px;color:#B9B1A2;margin:14px 0 16px;max-width:36ch;line-height:1.8;}
.footer-app{display:flex;gap:10px;flex-wrap:wrap;}
.footer-col h4{font-size:14px;font-family:var(--ff-sans);font-weight:600;color:#FBF7F1;margin:0 0 14px;letter-spacing:.04em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:13px;color:#B9B1A2;border-bottom:2px solid transparent;padding-bottom:1px;transition:all .18s ease;}
.footer-col a:hover{color:#FBF7F1;border-bottom-color:var(--c-accent);}
.footer-seo{display:flex;flex-wrap:wrap;gap:8px 16px;padding:18px 0;border-bottom:1px solid rgba(251,247,241,.14);}
.footer-seo a{font-size:12px;color:#9E9689;}
.footer-seo a:hover{color:#FBF7F1;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;font-size:12px;color:#9E9689;}
.to-top{background:transparent;border:1px solid rgba(251,247,241,.28);color:#DCD5C8;font-size:12px;padding:6px 14px;border-radius:var(--r-sm);cursor:pointer;transition:all .18s ease;}
.to-top:hover{background:#FBF7F1;color:var(--c-primary);}
.footer-watermark{font-family:var(--ff-serif);font-size:clamp(48px,11vw,140px);line-height:1;color:rgba(251,247,241,.06);text-align:center;margin-top:22px;letter-spacing:.06em;user-select:none;pointer-events:none;}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  .brand-main{font-size:26px;}
  .masthead-search{max-width:280px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991px){
  .section{padding:var(--s-6) 0;}
  .masthead{padding:14px 0;}
  .masthead .container{gap:12px;}
  .masthead-search,.masthead-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .brand-main{font-size:22px;}
  .brand-sub{font-size:12px;}
  .brand-mark{width:40px;height:40px;}
  .brand-mark svg{width:22px;height:22px;}
  .channel-bar{display:none;}
  .filter-bar{top:0;}
  .cat-head{padding:28px 0 24px;}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .g-item:nth-child(3){border-left:none;}
  .g-item:nth-child(n+3){border-top:1px solid var(--c-line);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .topbar-city{display:none;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .section{padding:44px 0;}
  h1{font-size:1.75rem;}
  .topbar-links a:first-child{display:none;}
  .cat-stat{max-width:100%;}
  .cat-stat div{flex:1 1 100%;}
  .cat-stat div+div{border-left:none;border-top:1px solid var(--c-line);}
  .res-card{box-shadow:none;}
  .filter-inner{padding:10px 0;gap:10px;}
  .filter-right{width:100%;}
  .filter-right select{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
  .guarantee-grid{grid-template-columns:1fr;}
  .g-item+.g-item{border-left:none;border-top:1px solid var(--c-line);}
  .pager-bar .btn{width:100%;}
  .brand-sub{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-main{font-size:19px;}
  .feature-item{flex-direction:column;}
  .feature-thumb{width:100%;height:120px;}
}