/* roulang page: index */
:root{
  --brand:#0FA37F;--brand-dark:#0B7A5E;--brand-light:#E6F7F1;
  --accent:#FF6B4A;--accent-dark:#E85A3A;--gold:#FFC53D;
  --ink:#0E1116;--panel:#151B22;--bg:#F5F7F6;--card:#FFFFFF;
  --text:#14181D;--muted:#5A6570;--line:#E3E8E6;
  --success:#0FA37F;--danger:#D64545;
  --radius:16px;--radius-sm:12px;--pill:999px;
  --shadow:0 8px 24px rgba(14,17,22,.06);
  --shadow-hover:0 16px 40px rgba(14,17,22,.12);
  --container:1200px;--header-h:72px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --mono:"DIN Alternate","Barlow","Roboto Mono",ui-monospace,SFMono-Regular,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.75;font-weight:400;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;border-style:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit}
input,textarea{font-family:inherit}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
section[id]{scroll-margin-top:92px}

/* ===== 容器与栅格 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-14px;margin-right:-14px}
.grid-x>.cell{padding-left:14px;padding-right:14px;min-width:0}
.cell{flex:0 0 auto;width:100%}
.small-12{width:100%}
@media (min-width:768px){
  .medium-4{width:33.3333%}
  .medium-6{width:50%}
  .medium-8{width:66.6666%}
  .medium-12{width:100%}
}
@media (min-width:1024px){
  .large-2{width:16.6666%}
  .large-3{width:25%}
  .large-4{width:33.3333%}
  .large-5{width:41.6666%}
  .large-6{width:50%}
  .large-7{width:58.3333%}
  .large-8{width:66.6666%}
  .large-12{width:100%}
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:focus{outline:none;box-shadow:0 0 0 3px rgba(15,163,127,.42)}
.btn:active{transform:translateY(1px)}
.btn i{font-size:13px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,74,.28)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,74,.34)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.75);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand-dark)}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,163,127,.16)}
.btn-light{background:var(--brand-light);color:var(--brand-dark)}
.btn-light:hover{background:#D3F0E5;color:var(--brand-dark);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-dark)}
.text-link i{transition:transform .2s ease}
.text-link:hover{color:var(--brand)}
.text-link:hover i{transform:translateX(4px)}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--pill);font-size:12.5px;font-weight:600;line-height:1;white-space:nowrap}
.badge-soft{background:var(--brand-light);color:var(--brand-dark)}
.badge-dark{background:rgba(255,255,255,.12);color:var(--gold)}
.badge-gold{background:rgba(255,197,61,.16);color:#9A6B00}
.badge-line{border:1px solid var(--line);color:var(--muted);background:#fff}
.num-badge{font-family:var(--mono);letter-spacing:.02em}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--pill);border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13.5px;font-weight:500;transition:.2s}
.tag:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-light)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:200;background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.07);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 32px rgba(14,17,22,.28)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#12B98F);color:#fff;font-size:18px;
  box-shadow:0 6px 16px rgba(15,163,127,.36);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.2px;color:#fff}
.brand-text em{font-style:normal;font-size:11.5px;color:rgba(255,255,255,.55);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:22px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{
  display:inline-block;padding:9px 13px;border-radius:10px;color:rgba(255,255,255,.78);
  font-size:14.5px;font-weight:500;transition:.2s;
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-list a.is-active{color:#fff;background:rgba(15,163,127,.22);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.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)}

/* ===== Hero ===== */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:96px 0 84px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34}
.hero-mask{position:absolute;inset:0;background:linear-gradient(108deg,rgba(14,17,22,.97) 0%,rgba(14,17,22,.86) 44%,rgba(14,17,22,.58) 100%)}
.hero-grid-lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:52px 52px;
}
.hero-inner{position:relative;z-index:2}
.hero-copy{max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:var(--pill);
  background:var(--brand-light);color:var(--brand-dark);font-size:13px;font-weight:600;letter-spacing:.04em;
}
.eyebrow-dark{background:rgba(255,255,255,.1);color:#8FE3CC;border:1px solid rgba(255,255,255,.12)}
.hero h1{
  margin:22px 0 18px;font-size:clamp(30px,5vw,54px);font-weight:800;letter-spacing:-.5px;
  line-height:1.18;color:#fff;
}
.hero h1 .hl{color:var(--gold)}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.hero-stats li{
  flex:1 1 150px;padding:16px 18px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(2px);
}
.hero-stats .num{display:block;font-family:var(--mono);font-size:24px;font-weight:700;color:var(--gold);line-height:1.2}
.hero-stats .label{display:block;font-size:13px;color:rgba(255,255,255,.62);margin-top:4px}
.hero-visual{position:relative;margin-top:44px}
.hero-visual img{width:100%;border-radius:var(--radius);object-fit:cover;aspect-ratio:16/10;box-shadow:0 24px 60px rgba(0,0,0,.42)}
.hero-visual .float-card{
  position:absolute;left:18px;bottom:-22px;background:#fff;color:var(--text);border-radius:var(--radius-sm);
  padding:12px 16px;box-shadow:var(--shadow-hover);display:flex;align-items:center;gap:10px;
}
.hero-visual .float-card i{color:var(--brand);font-size:18px}
.hero-visual .float-card b{display:block;font-size:14px}
.hero-visual .float-card small{color:var(--muted);font-size:12px}

/* ===== 板块 ===== */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--ink);color:#fff}
.section-head{max-width:760px;margin-bottom:42px}
.section-head h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;letter-spacing:-.4px;margin:14px 0 12px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.66)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px}
.section-head-row .section-head{margin-bottom:0}

/* ===== 合集目录 ===== */
.topic-grid{row-gap:24px}
.topic-card{
  display:flex;flex-direction:column;height:100%;padding:26px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE9E0}
.topic-card .tc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.topic-card .tc-index{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.08em}
.topic-card .tc-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);font-size:19px;transition:.25s;
}
.topic-card:hover .tc-icon{background:var(--brand);color:#fff}
.topic-card h3{font-size:21px;margin-bottom:10px}
.topic-card p{color:var(--muted);font-size:14.5px;line-height:1.75;margin-bottom:18px}
.topic-card .tc-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:16px;border-top:1px dashed var(--line)}
.topic-card .tc-count{font-family:var(--mono);font-size:13px;color:var(--muted)}
.topic-card:hover h3{color:var(--brand-dark)}

/* ===== 精选条目 ===== */
.feature-lead{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.feature-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-lead .cover{overflow:hidden;aspect-ratio:16/9}
.feature-lead .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-lead:hover .cover img{transform:scale(1.03)}
.feature-lead .body{padding:24px;display:flex;flex-direction:column;flex:1}
.feature-lead h3{font-size:22px;margin:14px 0 12px;line-height:1.4}
.feature-lead:hover h3{color:var(--brand-dark)}
.feature-lead p{color:var(--muted);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-lead .meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line)}
.feature-mini{display:flex;gap:16px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;height:100%}
.feature-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-mini .thumb{flex:0 0 112px;width:112px;aspect-ratio:4/3;border-radius:var(--radius-sm);overflow:hidden}
.feature-mini .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-mini:hover .thumb img{transform:scale(1.04)}
.feature-mini .txt{min-width:0}
.feature-mini h3{font-size:16.5px;line-height:1.45;margin:8px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-mini:hover h3{color:var(--brand-dark)}
.feature-mini p{font-size:13.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-stack{display:flex;flex-direction:column;gap:20px;height:100%}

/* ===== 最新信息（CMS 列表） ===== */
.news-grid{row-gap:22px}
.news-card{
  display:flex;flex-direction:column;height:100%;padding:24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE9E0}
.news-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.news-card-top time{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.news-card h3{font-size:19px;line-height:1.45;margin-bottom:10px}
.news-card:hover h3{color:var(--brand-dark)}
.news-card p{color:var(--muted);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-card .text-link{margin-top:auto}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;
  padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state i{font-size:30px;color:var(--brand)}
.empty-state strong{font-size:17px}
.empty-state span{color:var(--muted);font-size:14.5px}

/* ===== 相关推荐横滑 ===== */
.reco-wrap{position:relative}
.reco-track{display:flex;gap:20px;overflow-x:auto;padding:6px 2px 20px;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}
.reco-track::-webkit-scrollbar{display:none}
.reco-card{
  flex:0 0 270px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.reco-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.reco-card .cover{aspect-ratio:16/10;overflow:hidden}
.reco-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.reco-card:hover .cover img{transform:scale(1.04)}
.reco-card .txt{padding:18px}
.reco-card h3{font-size:16px;line-height:1.45;margin:10px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.reco-card:hover h3{color:var(--brand-dark)}
.reco-nav{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand-dark);
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:.2s;
}
.reco-nav:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.reco-tools{display:flex;gap:10px}

/* ===== 行动横幅 ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;background:var(--ink);color:#fff;padding:56px 48px;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,163,127,.4),transparent 68%);
}
.cta-band .inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:center}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);color:#fff;margin-bottom:12px;font-weight:800}
.cta-band p{color:rgba(255,255,255,.7);max-width:520px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.subscribe{display:flex;gap:10px;width:100%;max-width:420px;margin-top:22px}
.subscribe input{
  flex:1;height:48px;padding:0 16px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;
}
.subscribe input::placeholder{color:rgba(255,255,255,.5)}
.subscribe input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,163,127,.28);background:rgba(255,255,255,.12)}
.form-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:10px}

/* ===== FAQ ===== */
.accordion{margin:0;padding:0;list-style:none;background:transparent;border:0}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;
  overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item.is-active{border-color:#CFE9E0;box-shadow:var(--shadow-hover)}
.accordion-title{
  display:block;position:relative;padding:20px 56px 20px 24px;font-size:17px;font-weight:700;
  color:var(--text);background:transparent;border:0;cursor:pointer;transition:background .2s ease,color .2s ease;
}
.accordion-title:hover{background:var(--bg);color:var(--brand-dark)}
.accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:24px;top:50%;
  transform:translateY(-50%);font-size:13px;color:var(--brand);transition:transform .28s ease;
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg)}
.accordion-content{display:none;padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.8;border-top:1px solid var(--line);margin-top:-1px;padding-top:18px}
.accordion-item.is-active .accordion-content{display:block}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:72px 0 28px;margin-top:0}
.footer-grid{row-gap:36px}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6);margin:18px 0 20px;max-width:340px}
.brand-footer .brand-text strong{color:#fff}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,.66);font-size:14.5px}
.footer-col ul a:hover{color:var(--brand)}
.contact-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.66)}
.contact-list i{color:var(--brand);width:16px;text-align:center}
.share-group{display:flex;flex-wrap:wrap;gap:10px}
.share-group .btn{height:42px;font-size:14px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.72)}
.to-top:hover{color:var(--brand)}

/* ===== 悬浮工具 ===== */
.float-tools{position:fixed;right:22px;bottom:26px;z-index:150;display:flex;flex-direction:column;gap:10px}
.float-tools button,.float-tools a{
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow);transition:.2s;
}
.float-tools button:hover,.float-tools a:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:var(--pill);font-size:14px;z-index:300;transition:.28s;
  border:1px solid rgba(255,255,255,.14);
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:var(--ink);
    display:flex;flex-direction:column;align-items:stretch;gap:16px;padding:22px 22px 48px;
    overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:.25s ease;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;width:100%}
  .nav-list a{padding:14px 16px;font-size:16px;border-radius:12px}
  .nav-cta{order:-1;flex-direction:column;align-items:stretch;width:100%;gap:10px}
  .nav-cta .btn{width:100%}
  .section{padding:64px 0}
  .cta-band{padding:40px 26px}
  .hero{padding:72px 0 64px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .grid-x{margin-left:-9px;margin-right:-9px}
  .grid-x>.cell{padding-left:9px;padding-right:9px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-stats li{flex:1 1 100%}
  .hero-actions .btn{width:100%}
  .section{padding:52px 0}
  .section-head{margin-bottom:30px}
  .feature-mini{flex-direction:row}
  .feature-mini .thumb{flex:0 0 96px;width:96px}
  .cta-actions .btn{width:100%}
  .subscribe{flex-direction:column;max-width:100%}
  .subscribe .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-tools{right:14px;bottom:18px}
  .float-tools button,.float-tools a{width:42px;height:42px}
  .topic-card{padding:22px}
}

/* roulang page: article */
:root{
  --main:#0FA37F;
  --main-dark:#0B7A5E;
  --main-soft:#E6F7F1;
  --coral:#FF6B4A;
  --coral-dark:#E85A3A;
  --warm:#FFC53D;
  --ink:#0E1116;
  --panel:#151B22;
  --page:#F5F7F6;
  --card:#FFFFFF;
  --text:#14181D;
  --text-sub:#5A6570;
  --line:#E3E8E6;
  --danger:#D64545;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:999px;
  --shadow-card:0 8px 24px rgba(14,17,22,.06);
  --shadow-hover:0 16px 40px rgba(14,17,22,.12);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow","Roboto Mono",monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--main);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:var(--font);cursor:pointer;border:none;background:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1280px){
  .container{max-width:1280px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  padding:0 22px;
  height:46px;
  border-radius:var(--radius-btn);
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--coral);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,107,74,.28);
}
.btn-primary:hover{
  background:var(--coral-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(255,107,74,.34);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.6);
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  color:var(--main-dark);
  border:1px solid var(--main);
}
.btn-outline:hover{
  background:var(--main-soft);
  color:var(--main-dark);
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--ink);
  box-shadow:var(--shadow-card);
}
.btn-light:hover{
  background:var(--main-soft);
  color:var(--main-dark);
  transform:translateY(-2px);
}
.btn-sm{height:40px;font-size:14px;padding:0 18px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  color:var(--main-dark);
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(5px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
}
.brand-mark{
  width:42px;height:42px;
  flex:0 0 42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--main),var(--main-dark));
  color:#fff;
  font-size:19px;
  box-shadow:0 6px 18px rgba(15,163,127,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.3px;color:#fff;}
.brand-text em{font-style:normal;font-size:12px;color:rgba(255,255,255,.55);}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-list{display:flex;align-items:center;gap:22px;}
.nav-list a{
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.76);
  padding:6px 2px;
  position:relative;
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--main);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-list a:hover{color:#fff;}
.nav-list a:hover::after,
.nav-list a.is-active::after{transform:scaleX(1);}
.nav-list a.is-active{color:#fff;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.2);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  background:#fff;
  border-radius:2px;
  transition:transform .25s ease,opacity .25s 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);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:16px 0;
  font-size:14px;
  color:var(--text-sub);
}
.crumb a{color:var(--text-sub);}
.crumb a:hover{color:var(--main-dark);}
.crumb i{font-size:10px;opacity:.6;}
.crumb .current{color:var(--text);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-hero{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
  padding:56px 0 64px;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(115deg, rgba(15,163,127,.16), transparent 55%),
    repeating-linear-gradient(115deg, rgba(255,255,255,.045) 0 1px, transparent 1px 22px);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.article-head{max-width:860px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  background:var(--main-soft);
  color:var(--main-dark);
}
.badge-dark{background:rgba(255,255,255,.1);color:var(--warm);}
.badge + .badge{margin-left:8px;}
.article-head h1{
  font-size:clamp(28px,4.4vw,46px);
  margin:18px 0 18px;
  color:#fff;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}

.article-cover{
  margin:-42px 0 0;
  position:relative;
  z-index:5;
}
.article-cover figure{
  margin:0;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:0 18px 46px rgba(14,17,22,.16);
  background:#fff;
}
.article-cover img{
  width:100%;
  aspect-ratio:16/7;
  object-fit:cover;
}

/* ---------- 正文 ---------- */
.article-main{padding:56px 0 24px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;
  align-items:start;
}
.reader{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:40px 44px;
  box-shadow:var(--shadow-card);
}
.article-body{
  max-width:100%;
  font-size:17px;
  line-height:1.9;
  color:#22282F;
}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);
  margin:2em 0 .7em;
  padding-left:14px;
  border-left:4px solid var(--main);
  color:var(--text);
}
.article-body h3{
  font-size:20px;
  margin:1.6em 0 .6em;
  color:var(--text);
}
.article-body p{margin:0 0 1.25em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body img{
  border-radius:var(--radius-img);
  margin:1.4em 0;
  box-shadow:var(--shadow-card);
}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--main-soft);
  border-left:4px solid var(--main);
  border-radius:0 12px 12px 0;
  color:#1C3B32;
}
.article-body a{color:var(--main-dark);font-weight:600;border-bottom:1px solid rgba(15,163,127,.4);}
.article-body a:hover{color:var(--coral);border-color:rgba(255,107,74,.5);}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--page);font-weight:700;}

.empty-box{
  text-align:center;
  padding:54px 20px;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--page);
}
.empty-box i{font-size:36px;color:var(--main);}
.empty-box h3{margin:16px 0 8px;font-size:20px;}
.empty-box p{color:var(--text-sub);font-size:15px;}

.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row .label{font-size:14px;color:var(--text-sub);font-weight:600;}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--page);
  border:1px solid var(--line);
  color:var(--text-sub);
  transition:all .2s ease;
}
.tag:hover{background:var(--main-soft);color:var(--main-dark);border-color:rgba(15,163,127,.35);}

.action-bar{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}

/* ---------- 侧栏 ---------- */
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  margin-bottom:24px;
}
.side-card h3{
  font-size:18px;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.side-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list .num{
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  color:var(--main);
  flex:0 0 22px;
}
.side-list a{font-size:14.5px;font-weight:600;color:var(--text);line-height:1.6;}
.side-list a:hover{color:var(--main-dark);}
.side-note{
  background:var(--ink);
  color:#fff;
  border:none;
}
.side-note h3{color:#fff;border-bottom-color:rgba(255,255,255,.14);}
.side-note p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:16px;}

/* ---------- 板块通用 ---------- */
.section{padding:80px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--text-sub);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--main-dark);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--main);border-radius:2px;}

.grid-cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
  transition:transform .28s ease, box-shadow .28s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card-thumb{overflow:hidden;}
.card-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:19px;line-height:1.5;}
.card:hover .card-body h3{color:var(--main-dark);}
.card-body p{font-size:14.5px;color:var(--text-sub);margin:0;}
.card-meta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:var(--text-sub);
  margin-top:auto;
}
.card-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;border-radius:24px;padding:48px;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,163,127,.35),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.72);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:2;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{border:none;background:transparent;}
.accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.accordion .accordion-title{
  font-size:17px;
  font-weight:700;
  padding:20px 24px;
  color:var(--text);
  border:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  transition:background .2s ease,color .2s ease;
}
.accordion .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--main);
  order:2;
  margin-left:16px;
  transition:transform .25s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{transform:rotate(180deg);}
.accordion .accordion-title:hover{background:var(--page);color:var(--main-dark);}
.accordion .accordion-content{
  padding:0 24px 22px;
  border:none;
  color:var(--text-sub);
  font-size:15.5px;
  line-height:1.8;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:66px 0 26px;
  margin-top:40px;
}
.footer-grid{row-gap:34px;}
.brand-footer{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:420px;}
.share-group{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.66);}
.footer-col ul a:hover{color:var(--main);}
.contact-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.66);}
.contact-list i{color:var(--main);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:13.5px;
  color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0;}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-weight:600;
}
.to-top:hover{color:var(--main);}

/* ---------- 悬浮分享 ---------- */
.float-tools{
  position:fixed;
  right:20px;
  bottom:24px;
  z-index:70;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.float-tools button{
  width:46px;height:46px;
  border-radius:14px;
  background:#fff;
  color:var(--ink);
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
  transition:all .22s ease;
}
.float-tools button:hover{background:var(--main);color:#fff;transform:translateY(-3px);}
.float-tools button.fav{background:var(--main);color:#fff;border-color:var(--main);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{
    position:fixed;
    inset:74px 0 auto 0;
    background:var(--ink);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:16px 20px 26px;
    border-top:1px solid rgba(255,255,255,.08);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:all .25s ease;
    max-height:calc(100vh - 74px);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-list{flex-direction:column;align-items:flex-start;gap:4px;width:100%;}
  .nav-list li{width:100%;}
  .nav-list a{display:block;padding:13px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.07);}
  .nav-cta{flex-direction:column;width:100%;margin-top:18px;}
  .nav-cta .btn{width:100%;}
  .nav-toggle{display:flex;}
  .article-layout{grid-template-columns:1fr;}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .reader{padding:32px 28px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:15.5px;}
  .article-hero{padding:40px 0 52px;}
  .article-cover{margin-top:-28px;}
  .article-cover img{aspect-ratio:16/9;}
  .article-main{padding:40px 0 16px;}
  .reader{padding:24px 18px;}
  .article-body{font-size:16px;}
  .grid-cards{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .cta-band{padding:30px 22px;border-radius:18px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-tools{right:12px;bottom:16px;}
}

/* roulang page: category1 */
:root{
  --brand:#0FA37F;
  --brand-dark:#0B7A5E;
  --brand-light:#E6F7F1;
  --accent:#FF6B4A;
  --accent-dark:#E85A3A;
  --gold:#FFC53D;
  --ink:#0E1116;
  --panel:#151B22;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --text:#14181D;
  --muted:#5A6570;
  --line:#E3E8E6;
  --danger:#D64545;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:999px;
  --shadow-sm:0 8px 24px rgba(14,17,22,.06);
  --shadow-lg:0 16px 40px rgba(14,17,22,.12);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-mono:"DIN Alternate","Barlow","Roboto Mono",ui-monospace,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;line-height:1.28;letter-spacing:.2px;color:var(--text)}
h1{font-size:clamp(30px,5vw,52px)}
h2{font-size:clamp(24px,3vw,38px)}
h3{font-size:clamp(19px,2vw,23px)}
p{margin:0 0 16px}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease,background-color .2s ease,opacity .2s ease}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(15,163,127,.35),0 0 0 4px rgba(15,163,127,.25)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}
.section{padding:76px 0}
.section-tight{padding:52px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--brand-dark);background:var(--brand-light);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16.5px;margin:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,74,.28)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,74,.34)}
.btn-ghost{background:transparent;color:#E6EDF2;border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand-dark);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-light);transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-dark);font-weight:700;font-size:15px;background:none;border:0;padding:0;cursor:pointer;
}
.btn-text i{transition:transform .2s ease}
.btn-text:hover{color:var(--brand)}
.btn-text:hover i{transform:translateX(4px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* 徽章 / 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:600;line-height:1.5;
}
.tag-dark{background:rgba(255,255,255,.1);color:var(--gold)}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 22px rgba(14,17,22,.18);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:19px;
  box-shadow:0 8px 18px rgba(15,163,127,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.24}
.brand-text strong{font-size:16.5px;font-weight:800;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:12px;color:#8E9AA5;letter-spacing:.6px}

.main-nav{display:flex;align-items:center;gap:22px}
.nav-list{display:flex;align-items:center;gap:4px;margin:0}
.nav-list a{
  display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:14.5px;font-weight:600;color:#C4CDD6;
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-list a.is-active{color:#7FE6C6;background:rgba(15,163,127,.18)}
.nav-cta{display:flex;align-items:center;gap:10px}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:46px;height:46px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  cursor:pointer;padding:0 12px;
}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--ink);
  background-image:
    linear-gradient(115deg,rgba(14,17,22,.96) 0%,rgba(14,17,22,.86) 46%,rgba(11,122,94,.62) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:64px 0 84px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:58px 58px;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#93A0AB;margin-bottom:26px}
.breadcrumb a{color:#C4CDD6}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb i{font-size:10px;color:#5E6A74}

.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:52px;align-items:center}
.hero-copy h1{color:#fff;margin-bottom:18px}
.hero-copy h1 .hl{color:var(--gold)}
.hero-lead{font-size:17.5px;color:#C9D3DB;max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.hero-meta .tag{background:rgba(255,255,255,.1);color:#DDE5EB}
.hero-meta .tag i{color:var(--gold)}

.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;color:var(--text);
  border-radius:14px;padding:16px 20px;
  box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:14px;
}
.hero-float .num{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1}
.hero-float .txt{font-size:13px;color:var(--muted);line-height:1.5}

/* 数据条 */
.stat-strip{margin-top:-46px;position:relative;z-index:5}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.stat-item{padding:26px 26px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item .num{font-family:var(--font-mono);font-size:28px;font-weight:700;color:var(--brand-dark);line-height:1.15;margin-bottom:6px}
.stat-item .num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-item .label{font-size:14px;color:var(--muted)}

/* Z 字流 */
.zflow-item{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;align-items:center;margin-bottom:72px;
}
.zflow-item:last-child{margin-bottom:0}
.zflow-item.reverse .zflow-media{order:2}
.zflow-media{position:relative}
.zflow-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .35s ease,box-shadow .35s ease;
}
.zflow-item:hover .zflow-media img{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.zflow-index{
  position:absolute;top:-16px;left:-16px;
  width:56px;height:56px;border-radius:18px;
  background:var(--ink);color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:20px;font-weight:700;
  box-shadow:0 12px 26px rgba(14,17,22,.28);
}
.zflow-body h2{margin-bottom:16px}
.zflow-body p{color:var(--muted)}
.zflow-list{margin:0 0 22px}
.zflow-list li{
  position:relative;padding-left:24px;margin-bottom:10px;
  font-size:15.5px;color:var(--text);
}
.zflow-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:9px;height:9px;border-radius:3px;background:var(--brand);
}

/* 深色节奏区块 */
.rhythm{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;padding:80px 0;
}
.rhythm::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,163,127,.35) 0%,rgba(15,163,127,0) 68%);
  pointer-events:none;
}
.rhythm .container{position:relative;z-index:2}
.rhythm .section-head h2{color:#fff}
.rhythm .section-head p{color:#A9B4BD}
.rhythm .eyebrow{background:rgba(255,197,61,.14);color:var(--gold)}
.rhythm-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.rhythm-card{
  background:var(--panel);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-card);padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease,background-color .25s ease;
}
.rhythm-card:hover{transform:translateY(-4px);border-color:rgba(15,163,127,.55);background:#18202A}
.rhythm-card .step{font-family:var(--font-mono);font-size:13px;letter-spacing:2px;color:var(--gold);margin-bottom:12px;display:block}
.rhythm-card h3{color:#fff;font-size:19px;margin-bottom:10px}
.rhythm-card p{color:#A9B4BD;font-size:14.5px;margin:0}

/* 相关分类 */
.cat-switch{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cat-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(15,163,127,.4)}
.cat-card .ico{
  width:46px;height:46px;border-radius:14px;background:var(--brand-light);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.cat-card h3{margin:0;font-size:20px}
.cat-card p{color:var(--muted);font-size:14.5px;margin:0}

/* CTA 横幅 */
.cta-banner{
  background:linear-gradient(120deg,var(--brand-dark) 0%,#0E1116 78%);
  border-radius:22px;padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center;
  box-shadow:0 24px 60px rgba(14,17,22,.22);
}
.cta-banner h2{color:#fff;margin-bottom:14px}
.cta-banner p{color:#C6D5D1;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap}
.subscribe-form input{
  flex:1 1 220px;height:48px;padding:0 18px;
  border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;font-family:inherit;
}
.subscribe-form input::placeholder{color:#97A6AC}
.subscribe-form input:focus{
  outline:none;border-color:var(--brand);background:rgba(255,255,255,.14);
  box-shadow:0 0 0 3px rgba(15,163,127,.3);
}
.form-note{font-size:13px;color:#9FB0AE;margin:12px 0 0}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-accordion.accordion{background:transparent;border:0;margin:0}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(15,163,127,.4);box-shadow:var(--shadow-sm)}
.faq-accordion .accordion-title{
  display:block;padding:20px 54px 20px 24px;position:relative;
  font-size:17px;font-weight:700;color:var(--text);
  border:0;background:transparent;
}
.faq-accordion .accordion-title:hover{background:var(--bg);color:var(--brand-dark)}
.faq-accordion .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--brand);transition:transform .25s ease;
}
.faq-accordion .accordion-title[aria-expanded="true"]::before{transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-content{
  padding:0 24px 22px;border:0;background:transparent;
  color:var(--muted);font-size:15.5px;line-height:1.8;
}

/* 页脚 */
.site-footer{background:var(--ink);color:#A9B4BD;padding:66px 0 0;margin-top:0}
.footer-grid{row-gap:34px}
.footer-brand .brand{margin-bottom:16px}
.brand-footer .brand-text strong{color:#fff}
.brand-footer .brand-text em{color:#8E9AA5}
.footer-brand p{font-size:14.5px;color:#98A4AE;margin-bottom:20px;max-width:360px}
.share-group{display:flex;flex-wrap:wrap;gap:10px}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.6px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#A9B4BD;font-size:14.5px}
.footer-col a:hover{color:var(--brand)}
.contact-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#98A4AE}
.contact-list i{color:var(--brand);width:16px;text-align:center}
.footer-bottom{
  margin-top:44px;padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:#7E8A94;
}
.footer-bottom p{margin:0}
.to-top{display:inline-flex;align-items:center;gap:8px;color:#C4CDD6}
.to-top:hover{color:var(--gold)}

/* 响应式 */
@media (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:74px;
    flex-direction:column;align-items:stretch;gap:16px;
    background:var(--ink);padding:20px 24px 30px;
    border-top:1px solid rgba(255,255,255,.08);
    max-height:calc(100vh - 74px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
    box-shadow:0 22px 40px rgba(0,0,0,.35);
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;width:100%}
  .nav-list a{display:block;padding:13px 14px;font-size:15px}
  .nav-cta{flex-direction:column;align-items:stretch;width:100%}
  .nav-cta .btn{width:100%}
  .nav-toggle{display:flex}

  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-lead{font-size:16.5px}
  .hero-float{left:12px;bottom:-18px}
  .stat-strip{margin-top:-32px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-item{border-bottom:1px solid var(--line)}
  .stat-item:nth-child(2n){border-right:0}
  .stat-item:nth-child(n+3){border-bottom:0}
  .zflow-item{grid-template-columns:1fr;gap:30px;margin-bottom:56px}
  .zflow-item.reverse .zflow-media{order:0}
  .rhythm-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-switch{grid-template-columns:1fr}
  .cta-banner{grid-template-columns:1fr;padding:40px 28px;gap:28px}
}

@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-head{margin-bottom:28px}
  .header-inner{height:68px}
  .main-nav{top:68px;max-height:calc(100vh - 68px)}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:11px}
  .page-hero{padding:44px 0 64px}
  .hero-actions .btn{width:100%}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:0}
  .stat-item:nth-child(n+3){border-bottom:1px solid var(--line)}
  .rhythm-grid{grid-template-columns:1fr}
  .rhythm{padding:56px 0}
  .zflow-index{top:-14px;left:-8px;width:48px;height:48px;font-size:17px;border-radius:15px}
  .cta-banner{padding:32px 20px;border-radius:18px}
  .cta-actions .btn{width:100%}
  .subscribe-form input{flex:1 1 100%}
  .subscribe-form .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --primary:#0FA37F;
  --primary-dark:#0B7A5E;
  --primary-light:#E6F7F1;
  --accent:#FF6B4A;
  --accent-dark:#E85A3A;
  --warm:#FFC53D;
  --ink:#0E1116;
  --panel:#151B22;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --text:#14181D;
  --muted:#5A6570;
  --line:#E3E8E6;
  --danger:#D64545;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(14,17,22,.06);
  --shadow-hover:0 16px 40px rgba(14,17,22,.12);
  --container:1200px;
  --gap:28px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease,background .2s ease,box-shadow .2s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,163,127,.45);border-radius:8px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1280px){ .container{max-width:1280px} }

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,17,22,.97);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(10px);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:19px;
  box-shadow:0 8px 20px rgba(15,163,127,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;font-weight:800;color:#fff;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:12px;color:#93A1AE}

.main-nav{display:flex;align-items:center;gap:26px;flex:1 1 auto;justify-content:flex-end}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:#C6D0DA;
  font-weight:500;
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-list a.is-active{
  color:#fff;
  background:rgba(15,163,127,.24);
  box-shadow:inset 0 0 0 1px rgba(15,163,127,.6);
}
.nav-cta{display:flex;align-items:center;gap:10px}

.nav-toggle{
  display:none;
  width:46px;height:46px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:12px;
  background:transparent;
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .25s ease}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  font-size:15px;font-weight:600;line-height:1;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,74,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,74,.28)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.13);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary-dark)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F0F4F2;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  background:none;border:0;padding:0;
  color:var(--primary-dark);font-weight:700;font-size:15px;cursor:pointer;
}
.btn-link i{transition:transform .2s ease}
.btn-link:hover i{transform:translateX(5px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;
  border-radius:999px;
  font-size:13px;font-weight:600;
  background:var(--primary-light);
  color:var(--primary-dark);
}
.badge-warm{background:rgba(255,197,61,.18);color:#8A6100}
.badge-dark{background:rgba(255,255,255,.12);color:var(--warm)}
.badge-num{font-family:"DIN Alternate","Barlow","Roboto Mono",monospace;letter-spacing:.5px}

/* ---------- Hero ---------- */
.cat-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.3;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.25));
}
.cat-hero .container{position:relative;z-index:2}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
  padding:62px 0 66px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#9DAAB6;margin-bottom:18px}
.crumb a{color:#C6D0DA}
.crumb a:hover{color:var(--warm)}
.crumb span{color:var(--warm)}
.cat-hero h1{
  color:#fff;
  font-size:clamp(30px,5vw,52px);
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero-lead{font-size:17px;color:#C4CFD9;max-width:620px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px}
.hero-tags span{
  font-size:13px;font-weight:600;
  padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.1);
  color:#E4ECF2;
  border:1px solid rgba(255,255,255,.12);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-panel{
  background:rgba(21,27,34,.86);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);
  padding:26px 24px;
  backdrop-filter:blur(6px);
  box-shadow:0 24px 50px rgba(0,0,0,.35);
}
.hero-panel h2{font-size:17px;color:#fff;margin-bottom:14px}
.hero-panel ul li{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,.12);
  font-size:14.5px;color:#C4CFD9;
}
.hero-panel ul li:last-child{border-bottom:0}
.hero-panel ul li i{color:var(--primary);margin-top:5px}

/* ---------- 板块 ---------- */
.section{padding:82px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:42px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:var(--primary-dark);text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px}

/* ---------- 筛选 + 双列卡片 ---------- */
.filter-layout{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:36px;
  align-items:flex-start;
}
.filter-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
  box-shadow:var(--shadow);
  position:sticky;
  top:96px;
}
.filter-panel h3{font-size:15px;margin-bottom:6px}
.filter-panel .filter-hint{font-size:13px;color:var(--muted);margin-bottom:16px}
.filter-list{display:flex;flex-direction:column;gap:8px}
.filter-btn{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  width:100%;
  padding:11px 14px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:14.5px;font-weight:600;
  cursor:pointer;
  transition:all .2s ease;
  text-align:left;
}
.filter-btn span.count{
  font-family:"DIN Alternate","Barlow","Roboto Mono",monospace;
  font-size:13px;color:var(--muted);
}
.filter-btn:hover{background:var(--primary-light);border-color:rgba(15,163,127,.35);color:var(--primary-dark)}
.filter-btn.is-active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  box-shadow:0 10px 22px rgba(15,163,127,.28);
}
.filter-btn.is-active span.count{color:rgba(255,255,255,.85)}
.filter-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag-cloud a{
  font-size:13.5px;font-weight:600;
  padding:7px 15px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
}
.tag-cloud a:hover{color:var(--primary-dark);border-color:rgba(15,163,127,.4);background:var(--primary-light);transform:translateY(-2px)}

.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.topic-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,163,127,.35)}
.topic-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#E9EEEC}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.topic-card:hover .thumb img{transform:scale(1.03)}
.topic-card .thumb .tag{
  position:absolute;left:14px;top:14px;
  background:rgba(14,17,22,.78);
  color:var(--warm);
  font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:999px;
  backdrop-filter:blur(4px);
}
.topic-card .body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.topic-card h3{font-size:19px;margin-bottom:10px;transition:color .2s ease}
.topic-card:hover h3{color:var(--primary-dark)}
.topic-card p{font-size:14.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-card .meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}
.topic-card .meta i{color:var(--primary)}
.topic-card .foot{margin-top:auto;padding-top:16px}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.stat-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow);
}
.stat-item .num{
  font-family:"DIN Alternate","Barlow","Roboto Mono",monospace;
  font-size:38px;font-weight:700;color:var(--primary-dark);
  line-height:1.1;
}
.stat-item .num small{font-size:16px;color:var(--muted);margin-left:4px}
.stat-item h3{font-size:16px;margin:10px 0 6px}
.stat-item p{font-size:13.5px;color:var(--muted)}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.flow-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px;
  position:relative;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.flow-item .idx{
  font-family:"DIN Alternate","Barlow","Roboto Mono",monospace;
  font-size:14px;font-weight:700;color:var(--primary-dark);
  background:var(--primary-light);
  display:inline-flex;padding:5px 12px;border-radius:999px;
  margin-bottom:14px;
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--muted)}

/* ---------- 相关推荐横滑 ---------- */
.scroll-row{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:280px;
  gap:22px;
  overflow-x:auto;
  padding:6px 4px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.scroll-row::-webkit-scrollbar{display:none}
.mini-card{
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.mini-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#E9EEEC}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.mini-card .body{padding:18px 18px 20px}
.mini-card h3{font-size:16.5px;margin:10px 0 8px}
.mini-card:hover h3{color:var(--primary-dark)}
.mini-card p{font-size:13.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion{border:0;background:transparent}
.accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion .accordion-item.is-active{border-color:rgba(15,163,127,.45);box-shadow:var(--shadow-hover)}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-size:16.5px;font-weight:700;color:var(--text);
  border:0;background:#fff;
  transition:background .2s ease,color .2s ease;
}
.accordion .accordion-title:hover{background:var(--bg);color:var(--primary-dark)}
.accordion .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--primary);
  order:2;transition:transform .25s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{transform:rotate(180deg)}
.accordion .accordion-content{
  padding:0 24px 22px;
  border:0;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
  background:#fff;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink);
  color:#fff;
  border-radius:22px;
  padding:52px 44px;
  overflow:hidden;
  box-shadow:0 24px 50px rgba(14,17,22,.24);
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,163,127,.5),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;left:-40px;bottom:-80px;width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.35),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:36px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:12px}
.cta-band p{color:#C4CFD9;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.subscribe-form{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.subscribe-form input{
  flex:1 1 200px;
  height:48px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);
  color:#fff;
  padding:0 16px;
  font-size:14.5px;
}
.subscribe-form input::placeholder{color:#93A1AE}
.subscribe-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,163,127,.35)}
.cta-side{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:24px 22px;
}
.cta-side h3{color:#fff;font-size:17px;margin-bottom:12px}
.cta-side ul li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#C4CFD9;padding:8px 0}
.cta-side ul li i{color:var(--warm);margin-top:5px}

.float-tools{
  position:fixed;right:20px;bottom:22px;z-index:70;
  display:none;flex-direction:column;gap:10px;
}
.float-tools button{
  width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line);
  background:#fff;color:var(--primary-dark);
  box-shadow:var(--shadow-hover);
  cursor:pointer;font-size:16px;
  transition:transform .2s ease,background .2s ease;
}
.float-tools button:hover{transform:translateY(-3px);background:var(--primary-light)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#AEBAC5;padding:70px 0 28px;margin-top:8px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-grid{gap:14px 0}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14.5px;color:#95A3AF;max-width:380px;margin-bottom:20px}
.share-group{display:flex;flex-wrap:wrap;gap:10px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:#AEBAC5;font-size:14.5px}
.footer-col ul li a:hover{color:var(--primary)}
.contact-list li{display:flex;align-items:center;gap:10px;color:#AEBAC5;font-size:14.5px}
.contact-list li i{color:var(--primary);width:16px}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:#8B98A4;
}
.to-top{color:var(--warm);display:inline-flex;align-items:center;gap:8px;font-weight:600}
.to-top:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .filter-layout{grid-template-columns:220px minmax(0,1fr);gap:26px}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .main-nav{
    position:absolute;left:0;right:0;top:74px;
    display:none;flex-direction:column;align-items:stretch;
    gap:0;padding:16px 20px 22px;
    background:#0E1116;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 24px 40px rgba(0,0,0,.4);
    max-height:calc(100vh - 74px);
    overflow-y:auto;
  }
  .main-nav.is-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;margin-bottom:16px}
  .nav-list a{padding:12px 14px;border-radius:12px;font-size:15.5px}
  .nav-cta{flex-direction:column;align-items:stretch;gap:10px}
  .nav-cta .btn{width:100%}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:30px;padding:48px 0 54px}
  .filter-layout{grid-template-columns:1fr;gap:24px}
  .filter-panel{position:static;padding:18px}
  .filter-list{flex-direction:row;flex-wrap:wrap;gap:8px}
  .filter-btn{width:auto;padding:9px 15px}
  .filter-note{margin-top:14px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .card-grid{grid-template-columns:1fr;gap:20px}
  .stat-strip{grid-template-columns:1fr;gap:16px}
  .flow-grid{grid-template-columns:1fr;gap:16px}
  .scroll-row{grid-auto-columns:minmax(240px,78%)}
  .cat-hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .brand-text em{display:none}
  .cta-band{padding:34px 24px;border-radius:18px}
  .cta-actions .btn{width:100%}
  .accordion .accordion-title{padding:17px 18px;font-size:15.5px}
  .accordion .accordion-content{padding:0 18px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-tools{display:flex}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .topic-card .body{padding:18px}
  .stat-item{padding:20px}
}

/* roulang page: category3 */
:root{
  --c-primary:#0FA37F;
  --c-primary-d:#0B7A5E;
  --c-primary-l:#E6F7F1;
  --c-accent:#FF6B4A;
  --c-accent-d:#E85A3A;
  --c-amber:#FFC53D;
  --c-dark:#0E1116;
  --c-panel:#151B22;
  --c-bg:#F5F7F6;
  --c-card:#FFFFFF;
  --c-text:#14181D;
  --c-muted:#5A6570;
  --c-line:#E3E8E6;
  --c-danger:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --sh-card:0 8px 24px rgba(14,17,22,.06);
  --sh-hover:0 16px 40px rgba(14,17,22,.12);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow","Roboto Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4,h5{
  margin:0 0 16px;
  font-family:var(--font-sans);
  font-weight:800;
  line-height:1.26;
  color:var(--c-text);
  letter-spacing:.2px;
}
h1{font-size:clamp(30px,5vw,52px);}
h2{font-size:clamp(24px,3.4vw,38px);}
h3{font-size:21px;}
h4{font-size:17px;}

p{margin:0 0 16px;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-d);}
img{max-width:100%;display:block;}
ul,ol{margin:0 0 16px;padding-left:20px;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(15,163,127,.22);
  border-radius:8px;
}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

@media (min-width:1280px){
  .container{max-width:1280px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}

.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,74,.28);}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,74,.34);}

.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px);}

.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary-d);}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px);}

.btn-light{background:#fff;color:var(--c-text);box-shadow:0 8px 20px rgba(14,17,22,.12);}
.btn-light:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px);}

.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--c-primary-d);font-weight:700;font-size:15px;
  padding:0;height:auto;background:none;border:none;
}
.btn-text i{transition:transform .22s ease;}
.btn-text:hover i{transform:translateX(5px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:700;line-height:1.5;
  background:var(--c-primary-l);color:var(--c-primary-d);
}
.badge-dark{background:rgba(255,197,61,.16);color:var(--c-amber);}
.badge-solid{background:var(--c-primary);color:#fff;}
.badge-amber{background:rgba(255,197,61,.22);color:#8A6100;}
.num{font-family:var(--font-num);letter-spacing:.5px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:300;
  background:var(--c-dark);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:22px;min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(135deg,#12B98F,#0B7A5E);
  display:grid;place-items:center;color:#fff;font-size:18px;
  box-shadow:0 6px 16px rgba(15,163,127,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:800;color:#fff;letter-spacing:.4px;}
.brand-text em{font-style:normal;font-size:12px;color:#9AA5B1;letter-spacing:.4px;}

.main-nav{display:flex;align-items:center;gap:26px;}
.nav-list{
  display:flex;align-items:center;gap:22px;
  list-style:none;margin:0;padding:0;
}
.nav-list a{
  position:relative;
  display:inline-block;
  padding:8px 2px;
  font-size:15px;font-weight:600;
  color:#C4CDD6;text-decoration:none;
  transition:color .2s ease;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-list a:hover{color:#fff;}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.is-active{color:#fff;}
.nav-list a.is-active::after{transform:scaleX(1);}

.nav-cta{display:flex;align-items:center;gap:10px;}

.nav-toggle{
  display:none;
  width:46px;height:46px;border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  cursor:pointer;padding:0;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{
  display:block;width:20px;height:2px;border-radius:2px;background:#fff;
  transition:transform .25s ease,opacity .25s 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);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--c-dark);
  color:#fff;
  overflow:hidden;
}
.hero-cat3{padding:74px 0 80px;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.28;}
.hero-cat3::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(112deg,rgba(14,17,22,.96) 34%,rgba(14,17,22,.72) 68%,rgba(11,122,94,.42));
}
.hero-cat3::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero-inner{position:relative;z-index:3;max-width:840px;}
.hero-number{
  position:absolute;right:-10px;top:-46px;z-index:2;
  font-family:var(--font-num);
  font-size:clamp(140px,22vw,260px);
  font-weight:800;line-height:1;
  color:rgba(255,197,61,.09);
  pointer-events:none;user-select:none;
}
.hero h1{color:#fff;margin-bottom:18px;}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(255,197,61,.34) 62%);
  padding:0 4px;
}
.hero-lead{
  font-size:17.5px;line-height:1.8;color:#C7D0D9;max-width:680px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}

.hero-stats{
  display:flex;flex-wrap:wrap;gap:16px;
  list-style:none;margin:0;padding:0;
}
.hero-stats li{
  display:flex;align-items:baseline;gap:9px;
  padding:12px 20px;border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(2px);
}
.hero-stats .n{
  font-family:var(--font-num);font-size:22px;font-weight:800;color:var(--c-amber);
}
.hero-stats .l{font-size:13.5px;color:#AEB8C2;}

.breadcrumb{
  font-size:13.5px;color:#8E99A5;margin-bottom:18px;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.breadcrumb a{color:#AEB8C2;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb i{font-size:10px;color:#5A6570;}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section-alt{background:#fff;}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--c-muted);font-size:16.5px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:1.6px;
  color:var(--c-primary-d);text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:24px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ---------- 导读卡 ---------- */
.lead-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.lead-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.lead-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.lead-card .ic{
  width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:18px;margin-bottom:16px;
}
.lead-card h3{font-size:19px;margin-bottom:10px;}
.lead-card p{color:var(--c-muted);font-size:15px;margin:0;line-height:1.75;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding:8px 0 0;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:36px;width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(15,163,127,.55),rgba(15,163,127,.06));
}
.tl-item{position:relative;margin-bottom:46px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;left:50%;top:6px;z-index:3;
  transform:translateX(-50%);
  width:54px;height:54px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary);
  display:grid;place-items:center;
  font-family:var(--font-num);font-weight:800;font-size:17px;
  color:var(--c-primary-d);
  box-shadow:0 10px 24px rgba(15,163,127,.2);
}
.tl-card{
  width:calc(50% - 52px);
  margin-left:auto;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CFEDE3;}
.tl-item:nth-child(odd) .tl-card{margin-left:0;margin-right:auto;}
.tl-card img{
  width:100%;height:158px;object-fit:cover;
  border-radius:var(--r-img);margin-bottom:18px;
}
.tl-card h3{font-size:20px;margin-bottom:10px;}
.tl-card p{color:var(--c-muted);font-size:15px;line-height:1.78;margin:0 0 16px;}
.tl-meta{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding-top:14px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-muted);
}
.tl-meta .time{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-num);color:var(--c-primary-d);font-weight:700;
}

/* ---------- 误区速查 ---------- */
.pitfall-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.pitfall{
  display:flex;gap:16px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-accent);
  border-radius:14px;
  padding:22px;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.pitfall:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.pitfall .pf-ic{
  flex:0 0 40px;width:40px;height:40px;border-radius:11px;
  display:grid;place-items:center;
  background:rgba(255,107,74,.12);color:var(--c-accent-d);
  font-size:16px;
}
.pitfall h3{font-size:17px;margin:0 0 8px;}
.pitfall p{font-size:14.5px;color:var(--c-muted);margin:0;line-height:1.75;}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease;
  text-decoration:none;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.rel-card img{width:100%;height:132px;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover img{transform:scale(1.04);}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-body h3{font-size:17px;margin:0;color:var(--c-text);transition:color .2s ease;}
.rel-card:hover .rel-body h3{color:var(--c-primary-d);}
.rel-body p{font-size:14px;color:var(--c-muted);margin:0;line-height:1.7;}
.rel-body .go{
  margin-top:auto;padding-top:10px;
  font-size:13.5px;font-weight:700;color:var(--c-primary-d);
  display:inline-flex;align-items:center;gap:6px;
}
.rel-body .go i{transition:transform .22s ease;}
.rel-card:hover .go i{transform:translateX(5px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--c-line)!important;
  border-radius:14px!important;
  background:#fff;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.accordion .accordion-item:hover{border-color:#CFEDE3!important;}
.accordion .accordion-title{
  position:relative;
  display:block;
  padding:20px 60px 20px 24px;
  font-size:17px;font-weight:700;
  color:var(--c-text);
  background:#fff;
  border:none;
  line-height:1.6;
  transition:background-color .2s ease,color .2s ease;
}
.accordion .accordion-title:hover{background:var(--c-bg);color:var(--c-primary-d);}
.accordion .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;right:24px;top:50%;
  transform:translateY(-50%);
  font-size:14px;color:var(--c-primary);
  transition:transform .3s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{
  transform:translateY(-50%) rotate(180deg);
}
.accordion .accordion-content{
  padding:0 24px 22px;
  border:none!important;
  background:#fff;
  color:var(--c-muted);
  font-size:15.5px;
  line-height:1.8;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--c-panel);
  color:#fff;
  border-radius:22px;
  padding:52px 44px;
  overflow:hidden;
  box-shadow:0 20px 50px rgba(14,17,22,.18);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 88% 18%,rgba(255,197,61,.18),transparent 46%),
                   radial-gradient(circle at 6% 92%,rgba(15,163,127,.24),transparent 44%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cta-inner h2{color:#fff;margin-bottom:14px;}
.cta-inner p{color:#B7C1CB;margin:0;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:26px;}
.cta-form h3{color:#fff;font-size:18px;margin-bottom:8px;}
.cta-form p{color:#9AA5B1;font-size:14px;margin-bottom:16px;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 190px;min-width:0;
  height:48px;padding:0 16px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.subscribe-form input::placeholder{color:#7E8994;}
.subscribe-form input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(15,163,127,.22);
  background:rgba(255,255,255,.1);
}
.form-tip{font-size:13.5px;color:var(--c-amber);margin:12px 0 0;min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:#9AA5B1;
  padding:66px 0 26px;
  margin-top:84px;
}
.footer-grid{row-gap:34px;}
.brand-footer .brand-text strong{font-size:16px;}
.brand-footer .brand-text em{color:#7E8994;}
.footer-brand p{
  color:#8E99A5;font-size:14.5px;line-height:1.8;
  margin:18px 0 20px;max-width:340px;
}
.share-group{display:flex;flex-wrap:wrap;gap:10px;}
.site-footer .btn-outline{border-color:rgba(255,255,255,.26);color:#E3E8E6;}
.site-footer .btn-outline:hover{background:rgba(255,255,255,.1);color:#fff;}
.site-footer .btn-light{background:#fff;color:var(--c-text);}
.site-footer .btn-light:hover{background:var(--c-primary-l);color:var(--c-primary-d);}

.footer-col h4{
  color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;
  position:relative;padding-bottom:12px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:11px;font-size:14.5px;}
.footer-col ul a{color:#9AA5B1;font-size:14.5px;}
.footer-col ul a:hover{color:var(--c-primary);}
.contact-list li{display:flex;align-items:center;gap:10px;color:#9AA5B1;}
.contact-list i{color:var(--c-primary);width:16px;text-align:center;}

.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;font-size:13.5px;
}
.footer-bottom p{margin:0;color:#7E8994;}
.to-top{
  display:inline-flex;align-items:center;gap:7px;
  color:#C4CDD6;font-size:13.5px;font-weight:600;
  padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  transition:all .22s ease;
}
.to-top:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px);}

/* ---------- 悬浮操作 ---------- */
.float-tools{
  position:fixed;right:20px;bottom:20px;z-index:250;
  display:none;flex-direction:column;gap:10px;
}
.float-tools button{
  width:48px;height:48px;border-radius:50%;
  border:none;cursor:pointer;
  background:#fff;color:var(--c-primary-d);
  box-shadow:0 10px 26px rgba(14,17,22,.18);
  display:grid;place-items:center;font-size:17px;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.float-tools button:hover{background:var(--c-primary);color:#fff;transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .rel-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:74px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-dark);
    border-top:1px solid rgba(255,255,255,.08);
    padding:20px 20px 28px;
    transform:translateY(-14px);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
    max-height:calc(100vh - 74px);
    overflow-y:auto;
    box-shadow:0 24px 40px rgba(0,0,0,.35);
  }
  .main-nav.is-open{
    transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;width:100%;}
  .nav-list a{
    padding:14px 4px;font-size:16px;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .nav-list a::after{display:none;}
  .nav-list a.is-active{color:var(--c-primary);}
  .nav-cta{
    width:100%;padding-top:20px;
    flex-direction:column;align-items:stretch;gap:12px;
  }
  .nav-cta .btn{width:100%;height:48px;}
  .nav-toggle{display:flex;}

  .hero-cat3{padding:56px 0 62px;}
  .hero-number{font-size:150px;top:-24px;right:-14px;opacity:.7;}

  .lead-cards{grid-template-columns:1fr;}
  .timeline::before{left:26px;transform:none;}
  .tl-dot{left:26px;transform:none;width:48px;height:48px;font-size:15px;}
  .tl-card{width:calc(100% - 76px);margin-left:76px!important;margin-right:0!important;}
  .pitfall-wrap{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:40px 26px;border-radius:18px;}
  .hero-stats li{padding:10px 16px;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:52px 0;}
  .hero-lead{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-stats{gap:10px;}
  .hero-stats li{flex:1 1 100%;justify-content:flex-start;}
  .tl-card img{height:150px;}
  .cta-actions .btn{flex:1 1 100%;}
  .subscribe-form input{flex:1 1 100%;}
  .subscribe-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-tools{display:flex;right:14px;bottom:14px;}
  .rel-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:60px;padding-top:52px;}
}

@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text em{display:none;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:16px;}
  .hero h1{font-size:30px;}
  .hero-number{display:none;}
  .lead-card{padding:22px;}
  .tl-card{padding:18px;}
}

/* roulang page: category4 */
:root{
  --brand:#0FA37F;
  --brand-dark:#0B7A5E;
  --brand-light:#E6F7F1;
  --accent:#FF6B4A;
  --accent-dark:#E85A3A;
  --gold:#FFC53D;
  --ink:#0E1116;
  --panel:#151B22;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --text:#14181D;
  --muted:#5A6570;
  --line:#E3E8E6;
  --danger:#D64545;
  --radius-card:16px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(14,17,22,.06);
  --shadow-hover:0 16px 40px rgba(14,17,22,.12);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow","Roboto Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--text);line-height:1.3}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input{font-family:inherit}
::selection{background:var(--brand);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1280px){.container{max-width:1280px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 24px rgba(14,17,22,.18);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  display:grid;place-items:center;color:#fff;font-size:18px;
  box-shadow:0 6px 16px rgba(15,163,127,.35);
}
.brand-text strong{display:block;font-size:17px;font-weight:800;letter-spacing:.4px;color:#fff}
.brand-text em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.58);letter-spacing:.6px}
.main-nav{display:flex;align-items:center;gap:22px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{
  display:inline-block;padding:9px 13px;border-radius:var(--radius-pill);
  font-size:15px;color:rgba(255,255,255,.76);transition:background .2s,color .2s;
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-list a.is-active{color:#fff;background:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:11px 10px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px}
.nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,163,127,.5)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,163,127,.45)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,107,74,.35)}
.btn-light{background:var(--brand);color:#fff}
.btn-light:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,163,127,.3)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand-dark)}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.13);color:#fff;transform:translateY(-2px)}
.btn-sm{height:44px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-icon{width:46px;height:46px;padding:0;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff}
.btn-icon:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.4px;
  background:var(--brand-light);color:var(--brand-dark);
}
.badge-gold{background:var(--gold);color:#3A2A00}
.badge-dark{background:var(--ink);color:var(--gold)}
.badge-plain{background:#fff;color:var(--muted);border:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EAF8F3 0%,#F5F7F6 100%);
  padding:66px 0 70px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 88% 8%,rgba(255,197,61,.38),transparent 42%),
    radial-gradient(circle at 4% 92%,rgba(15,163,127,.16),transparent 46%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;top:0;height:6px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--brand) 42%,var(--gold) 42%,var(--gold) 68%,var(--accent) 68%,var(--accent) 100%);
}
.hero-grid{position:relative;z-index:1;align-items:center}
.hero-copy{padding-top:10px}
.hero-copy .badge{margin-bottom:18px}
.hero h1{
  font-size:clamp(30px,4.6vw,50px);
  font-weight:800;letter-spacing:-.5px;line-height:1.22;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--brand-dark);box-shadow:inset 0 -12px 0 rgba(255,197,61,.55)}
.hero-lead{font-size:17px;color:#3D4750;max-width:600px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px}
.hero-point{display:flex;flex-direction:column;gap:2px;min-width:110px}
.hero-point b{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1.2}
.hero-point span{font-size:13.5px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:20px;aspect-ratio:5/4;object-fit:cover;
  box-shadow:0 24px 60px rgba(14,17,22,.18);
}
.hero-note{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow);max-width:250px;
}
.hero-note strong{display:block;font-size:14px;color:var(--text);margin-bottom:2px}
.hero-note span{font-size:13px;color:var(--muted)}

/* ---------- 通用板块 ---------- */
.section{padding:78px 0}
.section-tight{padding:60px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.section-dark::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 12%,rgba(15,163,127,.28),transparent 46%),
             radial-gradient(circle at 10% 88%,rgba(255,107,74,.18),transparent 44%);
  pointer-events:none;
}
.section-dark .container{position:relative;z-index:1}
.section-head{max-width:780px;margin-bottom:38px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--brand-dark);text-transform:uppercase;
}
.section-head .eyebrow::before{content:"";width:24px;height:2px;background:var(--gold);border-radius:2px}
.section-head h2{font-size:clamp(25px,3.3vw,38px);margin:12px 0 14px;letter-spacing:-.4px}
.section-head p{color:var(--muted);font-size:16px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.68)}
.section-dark .section-head .eyebrow{color:var(--gold)}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-bottom:30px;padding:16px 18px;
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);
}
.filter-tags{display:flex;flex-wrap:wrap;gap:10px}
.filter-tag{
  padding:9px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:14px;font-weight:600;transition:.2s;
}
.filter-tag:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-light)}
.filter-tag:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,163,127,.35)}
.filter-tag.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(15,163,127,.28)}
.filter-count{font-size:13.5px;color:var(--muted);font-family:var(--font-num)}
.filter-count b{color:var(--brand-dark);font-size:15px}

/* ---------- 卡片矩阵 ---------- */
.matrix{padding-top:6px}
.matrix-item{margin-bottom:28px}
.sec-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CDE8DF}
.sec-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDF2F0}
.sec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.sec-card:hover .thumb img{transform:scale(1.04)}
.thumb-badge{position:absolute;left:12px;top:12px;box-shadow:0 6px 16px rgba(14,17,22,.14)}
.sec-card .body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.sec-card h3{font-size:19px;line-height:1.45;font-weight:700;transition:color .2s}
.sec-card:hover h3{color:var(--brand-dark)}
.sec-card p{
  font-size:14.5px;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
}
.card-foot .meta{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:7px}
.card-foot .meta i{color:var(--brand)}
.card-arrow{
  width:34px;height:34px;border-radius:50%;background:var(--brand-light);
  color:var(--brand-dark);display:grid;place-items:center;font-size:13px;
  transition:background .25s,color .25s,transform .25s;
}
.sec-card:hover .card-arrow{background:var(--brand);color:#fff;transform:translateX(3px)}

/* ---------- 深色数据板块 ---------- */
.stat-card{
  height:100%;padding:26px 24px;border-radius:var(--radius-card);
  background:var(--panel);border:1px solid rgba(255,255,255,.09);
  transition:transform .25s,border-color .25s,background .25s;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(15,163,127,.55);background:#182028}
.stat-num{
  display:block;font-family:var(--font-num);font-size:34px;font-weight:700;
  color:var(--gold);line-height:1.1;margin-bottom:12px;
}
.stat-card h3{font-size:19px;color:#fff;margin-bottom:10px}
.stat-card p{font-size:14.5px;color:rgba(255,255,255,.66);margin:0}

/* ---------- 自检清单 ---------- */
.checklist-wrap{
  display:grid;grid-template-columns:1fr 1.15fr;gap:44px;align-items:start;
}
.checklist-intro h2{font-size:clamp(24px,3vw,36px);margin:12px 0 16px}
.checklist-intro p{color:var(--muted)}
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;
}
.check-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover)}
.check-no{
  flex:0 0 36px;width:36px;height:36px;border-radius:12px;
  background:var(--brand-light);color:var(--brand-dark);
  display:grid;place-items:center;font-family:var(--font-num);font-weight:700;font-size:15px;
}
.check-item h3{font-size:16.5px;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--muted);margin:0}
.tip-card{
  margin-top:20px;padding:20px 22px;border-radius:16px;
  background:#FFF8E3;border:1px solid #F5DFA0;
}
.tip-card strong{display:flex;align-items:center;gap:8px;color:#7A5A00;font-size:15.5px;margin-bottom:6px}
.tip-card p{font-size:14.5px;color:#6B5A2A;margin:0}

/* ---------- 相关分类 ---------- */
.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EDF2F0}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-card h3{font-size:18.5px;transition:color .2s}
.rel-card:hover h3{color:var(--brand-dark)}
.rel-card p{font-size:14.5px;color:var(--muted);margin:0}
.rel-link{
  margin-top:auto;padding-top:10px;font-size:14px;font-weight:700;color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:8px;
}
.rel-card:hover .rel-link i{transform:translateX(4px)}
.rel-link i{transition:transform .25s}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:box-shadow .25s,border-color .25s;
}
.faq-item.is-open{box-shadow:var(--shadow-hover);border-color:#CDE8DF}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:700;color:var(--text);
  transition:background .2s,color .2s;
}
.faq-q:hover{background:#F5F7F6;color:var(--brand-dark)}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(15,163,127,.35)}
.faq-q i{color:var(--brand);transition:transform .25s;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 22px}
.faq-item.is-open .faq-a{max-height:460px;padding:0 22px 20px}
.faq-a p{font-size:15.5px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#0E1116 0%,#182028 62%,#123A31 100%);
  border-radius:26px;padding:48px 44px;color:#fff;
  box-shadow:0 24px 60px rgba(14,17,22,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,197,61,.32),transparent 68%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,34px);color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.subscribe{display:flex;flex-wrap:wrap;gap:12px}
.subscribe input[type="email"]{
  flex:1 1 240px;height:48px;padding:0 18px;border-radius:12px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.subscribe input[type="email"]::placeholder{color:rgba(255,255,255,.5)}
.subscribe input[type="email"]:focus{
  outline:none;border-color:var(--brand);background:rgba(255,255,255,.13);
  box-shadow:0 0 0 3px rgba(15,163,127,.35);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 26px}
.footer-grid{gap:34px 24px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.share-group{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.site-footer .btn-outline{border-color:rgba(255,255,255,.3);color:#fff}
.site-footer .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--brand)}
.contact-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.68)}
.contact-list i{color:var(--brand);width:16px;text-align:center}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.58);
}
.footer-bottom p{margin:0}
.to-top{color:var(--gold);display:inline-flex;align-items:center;gap:8px;font-weight:600}
.to-top:hover{color:#fff}

/* ---------- 提示条 ---------- */
.site-toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--ink);color:#fff;font-size:14.5px;
  padding:13px 22px;border-radius:var(--radius-pill);
  box-shadow:0 16px 40px rgba(14,17,22,.3);
  opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:120;
  max-width:calc(100% - 40px);text-align:center;
}
.site-toast.is-show{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .hero h1{font-size:clamp(30px,4.4vw,42px)}
}
@media(max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;left:0;right:0;top:74px;
    flex-direction:column;align-items:stretch;gap:16px;
    background:var(--ink);padding:20px 20px 28px;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 24px 44px rgba(14,17,22,.3);
    display:none;max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .main-nav.is-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-list a{padding:12px 14px;border-radius:12px;font-size:15.5px}
  .nav-cta{flex-direction:column;align-items:stretch}
  .nav-cta .btn{width:100%}
  .hero{padding:52px 0 56px}
  .hero-grid{gap:34px 0}
  .hero-note{left:12px;bottom:14px}
  .section{padding:60px 0}
  .checklist-wrap{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:38px 30px}
}
@media(max-width:767px){
  body{font-size:16px}
  .header-inner{min-height:68px}
  .brand-mark{width:38px;height:38px;flex-basis:38px;font-size:16px}
  .brand-text strong{font-size:15.5px}
  .brand-text em{font-size:11px}
  .main-nav{top:68px;max-height:calc(100vh - 68px)}
  .hero{padding:42px 0 48px}
  .hero h1{font-size:clamp(28px,7.6vw,34px);line-height:1.3}
  .hero h1 em{box-shadow:inset 0 -9px 0 rgba(255,197,61,.55)}
  .hero-lead{font-size:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:16px}
  .hero-point{min-width:calc(50% - 8px)}
  .hero-point b{font-size:22px}
  .hero-visual img{aspect-ratio:4/3}
  .hero-note{position:static;max-width:none;margin-top:14px}
  .section{padding:46px 0}
  .section-head{margin-bottom:26px}
  .filter-bar{padding:14px;border-radius:16px}
  .filter-tag{padding:8px 14px;font-size:13.5px}
  .matrix-item{margin-bottom:20px}
  .cta-band{padding:30px 22px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .subscribe .btn{width:100%}
  .faq-q{font-size:16px;padding:17px 18px}
  .faq-a{padding:0 18px}
  .faq-item.is-open .faq-a{padding:0 18px 18px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .share-group .btn{flex:1 1 auto}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .hero-point{min-width:100%}
}