/* roulang page: index */
:root{
  --hth-primary:#F4541E;
  --hth-primary-dark:#D63E0E;
  --hth-primary-soft:#FFF0E8;
  --hth-accent:#F7A600;
  --hth-deep:#171D1B;
  --hth-deep-2:#222A27;
  --hth-bg:#F7F5F0;
  --hth-text:#1F2422;
  --hth-muted:#6B7370;
  --hth-line:#E7E2DA;
  --hth-success:#12A594;
  --radius-md:12px;
  --radius-lg:20px;
  --radius-xl:24px;
  --shadow-card:0 2px 4px rgba(23,29,27,.04), 0 16px 40px -12px rgba(23,29,27,.12);
  --shadow-hover:0 4px 8px rgba(23,29,27,.06), 0 24px 48px -12px rgba(23,29,27,.18);
  --grad-brand:linear-gradient(135deg,#F4541E 0%,#F7A600 100%);
  --grad-dark:linear-gradient(160deg,#171D1B 0%,#24302C 100%);
  --font-monospace:"SF Mono",ui-monospace,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--hth-text);
  background:var(--hth-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:var(--hth-primary-dark);text-decoration:none;transition:color .2s}
a:hover{color:var(--hth-primary)}
.container{max-width:1320px;width:100%;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.section{padding:96px 0}
.section-sm{padding:56px 0}
h1,h2,h3,h4,h5,h6{line-height:1.35;font-weight:700;color:var(--hth-text)}
.btn{border-radius:var(--radius-md);font-weight:600;letter-spacing:.01em;border:0}
.btn-main{
  background:var(--grad-brand);color:#fff;padding:14px 26px;border-radius:999px;
  box-shadow:0 10px 26px -12px rgba(244,84,30,.8);transition:transform .2s ease,box-shadow .2s ease;
  font-size:15px;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px -12px rgba(244,84,30,.64)}
.btn-main:active{transform:translateY(0)}
.btn-outline-dark{
  background:transparent;border:1.5px solid var(--hth-deep);color:var(--hth-deep);
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:background .25s,border-color .25s,color .25s,transform .2s;
}
.btn-outline-dark:hover{background:var(--hth-primary-soft);border-color:var(--hth-primary-dark);color:var(--hth-primary-dark);transform:translateY(-2px)}
.btn-main:focus,.btn-outline-dark:focus{outline:2px solid var(--hth-accent);outline-offset:2px}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1080;background:var(--hth-bg);
  border-bottom:1px solid var(--hth-line);transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 12px 30px -18px rgba(23,29,27,.12);border-bottom-color:transparent}
.navbar{padding:0;background:transparent}
.nav-shell{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;margin:0;text-decoration:none}
.brand-symbol{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--grad-brand);color:#fff;
  font-weight:800;font-family:var(--font-monospace);font-size:14px;letter-spacing:-.5px;text-transform:uppercase;
}
.brand-text{font-size:19px;font-weight:800;color:var(--hth-text);letter-spacing:-.2px;white-space:nowrap}
.brand:hover .brand-text{color:var(--hth-primary-dark)}
.nav-links{display:flex;align-items:center;gap:2px;margin:0;padding:0}
.nav-links .nav-item{list-style:none}
.nav-links .nav-link{
  display:block;padding:10px 14px;font-weight:600;color:var(--hth-text);font-size:15px;
  border-bottom:3px solid transparent;position:relative;white-space:nowrap;transition:color .2s;
}
.nav-links .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:3px;border-radius:3px;
  background:var(--hth-primary);transform:scaleX(0);transform-origin:center;transition:transform .2s;
}
.nav-links .nav-link:hover{color:var(--hth-primary)}
.nav-links .nav-link:hover::after{transform:scaleX(1)}
.nav-links .nav-link.active{color:var(--hth-primary-dark)}
.nav-links .nav-link.active::after{transform:scaleX(1);background:var(--hth-primary)}
.nav-util{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-util .search-form{display:flex;align-items:center;background:#fff;border:1px solid var(--hth-line);border-radius:999px;padding:4px 5px 4px 14px;transition:border-color .2s}
.search-form:focus-within{border-color:var(--hth-primary)}
.search-input{background:transparent;border:0;outline:0;font-size:14px;width:176px;padding:0;color:var(--hth-text)}
.search-input::placeholder{color:var(--hth-muted)}
.search-input:focus{box-shadow:none}
.search-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--hth-primary-soft);color:var(--hth-primary);border:0;transition:background .2s}
.search-btn:hover{background:var(--hth-primary);color:#fff}
.btn-nav-cta{background:var(--grad-brand);color:#fff;padding:8px 20px;border-radius:999px;font-weight:700;font-size:14px;box-shadow:0 6px 16px -8px rgba(244,84,30,.7);transition:transform .2s,box-shadow .2s}
.btn-nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -10px rgba(244,84,30,.6)}
.navbar-toggler{border:0;width:44px;height:44px;padding:10px;background:transparent;border-radius:10px;outline:0;box-shadow:none}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(247,166,0,.3)}
.navbar-toggler .navbar-toggler-icon{background-image:none;position:relative;width:34px;height:20px;display:flex;flex-direction:column;justify-content:space-between}
.navbar-toggler .navbar-toggler-icon::before,.navbar-toggler .navbar-toggler-icon::after,.navbar-toggler .navbar-toggler-icon span{content:"";display:block;height:3px;border-radius:3px;background:var(--hth-text)}
.navbar-collapse{flex-grow:1;justify-content:flex-end}
@media (min-width:992px){
  .navbar-collapse{display:flex!important;align-items:center}
  .main-navbar{flex-direction:row;align-items:center;gap:18px}
  .nav-links{margin-right:auto}
}
@media (max-width:991.98px){
  .nav-shell{padding:8px 0}
  .navbar-collapse{
    background:#fff;border:1px solid var(--hth-line);border-radius:20px;padding:18px;margin-top:12px;
    box-shadow:0 24px 48px -20px rgba(23,29,27,.18);
  }
  .nav-links{flex-direction:column;align-items:flex-start;width:100%}
  .nav-links .nav-link{width:100%;font-size:17px;padding:12px 8px}
  .nav-links .nav-link::after{display:none}
  .nav-util{width:100%;margin-top:10px;justify-content:space-between;gap:10px}
  .btn-nav-cta{width:100%;justify-content:center;display:inline-flex;margin-top:6px}
  .search-form{width:100%}
  .search-input{flex:1;width:auto}
}

/* Hero */
.hero-split{background:var(--hth-bg);position:relative;overflow:hidden;padding:36px 0 40px}
.hero-split::before{
  content:"";position:absolute;top:0;bottom:0;right:0;width:40%; 
  background:linear-gradient(160deg,#171D1B 0%,#222A27 70%,#2E3733 100%);z-index:1;
}
.hero-grid{position:relative;z-index:2;min-height:620px}
.hero-copy{padding:56px 0 56px;display:flex;flex-direction:column;justify-content:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;width:fit-content;background:var(--hth-primary-soft);
  color:var(--hth-primary-dark);font-weight:700;font-size:13px;letter-spacing:.12em;padding:7px 14px;border-radius:10px;margin-bottom:22px;
}
.hero-eyebrow i{color:var(--hth-primary)}
.hero-copy h1{
  font-size:50px;line-height:1.18;margin-bottom:18px;font-weight:800;max-width:760px;letter-spacing:-1.2px;
}
.hero-copy h1 .brand-grad{
  background:linear-gradient(120deg,var(--hth-primary) 10%,var(--hth-accent) 50%,var(--hth-primary-dark) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  color:var(--hth-muted);font-size:18px;max-width:620px;line-height:1.75;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:18px 36px;margin-top:46px;
}
.hero-fact{display:flex;align-items:center;gap:12px}
.hero-fact-num{
  font-family:var(--font-monospace);font-size:30px;font-weight:700;color:var(--hth-primary-dark);
  line-height:1;letter-spacing:-1px;
}
.hero-fact-txt{font-size:14px;color:var(--hth-muted);white-space:nowrap}
.hero-side-visual{position:relative;min-height:620px;z-index:4;padding-right:0}
.hero-visual-wrap{
  position:absolute;top:0;right:0;bottom:0;width:100%;overflow:hidden;
  border-radius:28px 0 0 28px;
}
.hero-visual-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(23,29,27,.12),rgba(23,29,27,.9)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-big-card{
  position:absolute;left:28px;right:28px;bottom:90px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(10px);border-radius:20px;padding:20px 22px;color:#fff;
}
.hero-big-card .hbc-label{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.7)}
.hero-big-card .hbc-title{font-size:20px;font-weight:700;margin:4px 0 8px}
.hero-big-card .hbc-foot{display:flex;justify-content:space-between;align-items:center;gap:14px;color:rgba(255,255,255,.65)}
.hero-big-card .hbc-tag{
  background:var(--grad-brand);color:#fff !important;padding:4px 10px;border-radius:999px;font-size:12px;
  color:var(--hth-text);
}
.hero-big-card .hbc-arrow{font-size:20px}
.hero-corner-date{
  position:absolute;top:34px;left:28px;display:flex;gap:8px;align-items:center;color:rgba(255,255,255,.8);
  font-family:var(--font-monospace);font-size:13px;
}
.hero-corner-date i{color:var(--hth-accent)}
@media (max-width:991px){
  .hero-split{padding:30px 0 0;overflow:hidden}
  .hero-split::before{display:none}
  .hero-grid{min-height:auto;display:flex;flex-direction:column}
  .hero-copy{padding:50px 0 34px}
  .hero-copy h1{font-size:36px}
  .hero-side-visual{min-height:220px;order:-1}
  .hero-visual-wrap{position:relative;height:220px;border-radius:16px;margin-bottom:30px}
  .hero-big-card{bottom:16px;left:16px;right:16px;padding:14px 16px}
  .hero-big-card .hbc-title{font-size:16px}
  .hero-corner-date{top:14px;left:16px}
}

/* 数据快览 */
.quick-facts{background:var(--hth-bg);padding-top:0}
.facts-panel{
  background:#fff;border:1px solid var(--hth-line);border-radius:24px;box-shadow:var(--shadow-card);
  padding:40px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.fact-item{position:relative;padding-left:26px}
.fact-item::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad-brand)}
.fact-item .fact-num{display:flex;align-items:baseline;font-family:var(--font-monospace);font-size:40px;font-weight:800;color:var(--hth-deep);line-height:1.1}
.fact-item .fact-num small{font-size:16px;margin-left:4px;color:var(--hth-primary);font-weight:700}
.fact-item .fact-label{color:var(--hth-muted);font-size:14px;margin-top:4px}
@media (max-width:991px){.facts-panel{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.facts-panel{grid-template-columns:1fr 1fr;padding:24px 18px;gap:16px}.fact-item .fact-num{font-size:30px}}

/* 通用标题 */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--hth-primary-soft);
  color:var(--hth-primary-dark);font-weight:700;font-size:13px;letter-spacing:.12em;
  padding:7px 14px;border-radius:8px;margin-bottom:16px;
}
.section-title{font-size:34px;font-weight:800;margin:0 0 14px;letter-spacing:-.6px}
.section-lead{color:var(--hth-muted);max-width:680px;margin-bottom:42px;line-height:1.8;font-size:16px}

/* 功能 Bento */
.feature-home{background:var(--hth-bg)}
.feat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.feat-card{
  position:relative;border-radius:24px;overflow:hidden;padding:34px;min-height:240px;
  display:flex;flex-direction:column;justify-content:flex-end;border:1px solid var(--hth-line);
  transition:transform .25s ease,box-shadow .25s ease;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feat-card.feature-cover{
  grid-column:span 7;justify-content:flex-end;color:#fff;min-height:380px;
  background-image:linear-gradient(110deg,rgba(23,29,27,.1),rgba(23,29,27,.86)),url('/assets/images/coverpic/cover-1.webp');
  background-size:cover;background-position:center;
}
.feat-card.feature-dark{
  grid-column:span 5;background:var(--grad-dark);color:#fff;border-color:var(--hth-deep);
}
.feat-card.feature-orange{
  grid-column:span 4;background:var(--hth-primary-soft);border-color:#FFD9C4;
}
.feat-card.feature-white{background:#fff}
.feat-card.feature-card-accent{background:#fff}
.feat-card.feature-mini-dark{background:linear-gradient(135deg,#1F2825,#303B36);border-color:#353B38;color:#fff}
.feat-card.sub-wide{grid-column:span 4}
.feat-card .feat-type{font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:auto;color:var(--hth-primary)}
.feat-card.feature-cover .feat-type,.feat-card.feature-dark .feat-type,.feat-card.feature-mini-dark .feat-type{color:var(--hth-accent)}
.feat-card h3{font-size:23px;font-weight:800;margin:12px 0 10px}
.feat-card.feature-cover h3,.feat-card.feature-dark h3,.feat-card.feature-mini-dark h3{color:#fff}
.feat-card p{color:var(--hth-muted);font-size:15px;margin-bottom:16px}
.feat-card.feature-cover p,.feat-card.feature-dark p,.feat-card.feature-mini-dark p{color:rgba(255,255,255,.72)}
.feat-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px}
.feat-card.feature-cover .feat-link,.feat-card.feature-dark .feat-link,.feat-card.feature-mini-dark .feat-link{color:#fff}
.feat-card.feature-cover .feat-link i,.feat-card.feature-dark .feat-link i,.feat-card.feature-mini-dark .feat-link i{color:var(--hth-accent)}
.feat-link:hover{gap:12px;color:var(--hth-primary)}
@media (max-width:991px){
  .feat-card{grid-column:span 12 !important}
  .feat-card.feature-cover{min-height:300px}
}

/* 使用场景 */
.usecase-home{
  position:relative;
  background-image:linear-gradient(rgba(247,245,240,.96),rgba(247,245,240,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.scene-layout{display:grid;grid-template-columns:5fr 7fr;gap:64px}
.scene-sticky{position:sticky;top:100px;align-self:start}
.scene-list{list-style:none;margin:0;padding:0}
.scene-item{
  display:flex;gap:28px;padding:30px 8px;border-bottom:1px solid var(--hth-line);transition:background .2s;
}
.scene-item:hover{background:rgba(255,255,255,.4)}
.scene-index{font-family:var(--font-monospace);font-size:18px;font-weight:700;color:var(--hth-primary);width:44px;flex-shrink:0}
.scene-item h3{font-size:22px;margin-bottom:6px}
.scene-item p{color:var(--hth-muted);margin:0;font-size:15px;max-width:640px}
@media (max-width:991px){.scene-layout{grid-template-columns:1fr;gap:30px}.scene-sticky{position:static}}

/* 深色案例 */
.case-home{background:var(--grad-dark);color:#fff;position:relative;overflow:hidden}
.case-home::after{content:"";position:absolute;top:0;right:-160px;width:420px;height:420px;background:radial-gradient(circle,rgba(247,166,0,.16),transparent 70%)}
.case-grid{display:grid;grid-template-columns:4fr 8fr;gap:60px;position:relative;z-index:2}
.case-home .section-title,.case-home .eyebrow,.case-home .section-lead{color:#fff}
.case-home .section-lead{color:rgba(255,255,255,.7)}
.case-number-big{font-family:var(--font-monospace);font-size:20px;color:var(--hth-accent)}
.case-list{margin:0;padding:0}
.case-row{
  display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 20px;
  border-bottom:1px solid rgba(255,255,255,.1);border-radius:14px;transition:background .2s,border-left-color .2s;
  border-left:4px solid transparent;text-decoration:none;
}
.case-row:hover{background:rgba(255,255,255,.06);border-left-color:var(--hth-primary)}
.case-row .case-info{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.case-tag{background:var(--hth-primary-soft);color:var(--hth-primary-dark);font-size:13px;padding:3px 10px;border-radius:8px;font-weight:700;white-space:nowrap}
.case-home .case-tag{background:rgba(244,84,30,.15);color:#FFA078}
.case-title{font-size:20px;font-weight:700;color:#fff;margin-right:10px}
.case-desc{color:rgba(255,255,255,.62);font-size:15px;margin:0}
.case-arrow{color:var(--hth-accent);font-size:22px;flex-shrink:0}
@media (max-width:991px){.case-grid{grid-template-columns:1fr;gap:32px}.case-row{flex-direction:column;align-items:flex-start}.case-arrow{display:none}}

/* 服务档位 */
.pricing-home{background:#fff}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  border-radius:24px;background:var(--hth-bg);border:1px solid var(--hth-line);padding:36px;
  display:flex;flex-direction:column;position:relative;transition:transform .25s,box-shadow .25s;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.price-card.recommend{
  background:var(--grad-dark);border-color:transparent;color:#fff;box-shadow:0 24px 52px -22px rgba(23,29,27,.56);
  transform:scale(1.02);
}
.price-card.recommend:hover{transform:translateY(-6px) scale(1.02)}
.pc-ribbon{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad-brand);
  color:#fff;font-size:13px;font-weight:700;padding:6px 18px;border-radius:999px;white-space:nowrap;
}
.pc-type{font-size:15px;font-weight:700;color:var(--hth-primary-dark)}
.price-card.recommend .pc-type{color:var(--hth-accent)}
.pc-price{font-family:var(--font-monospace);font-size:40px;font-weight:800;color:var(--hth-deep);margin:16px 0 8px;line-height:1.1}
.price-card.recommend .pc-price{color:#fff}
.pc-price small{font-size:14px;font-weight:400;color:var(--hth-muted);margin-left:6px}
.pc-desc{color:var(--hth-muted);margin-bottom:20px;font-size:14px;border-bottom:1px solid var(--hth-line);padding-bottom:20px}
.price-card.recommend .pc-desc{color:rgba(255,255,255,.6);border-bottom-color:rgba(255,255,255,.15)}
.pc-list{list-style:none;padding:0;margin:0 0 28px;flex:1}
.pc-list li{display:flex;align-items:flex-start;gap:10px;padding:7px 0;color:var(--hth-text);font-size:15px}
.price-card.recommend .pc-list li{color:rgba(255,255,255,.82)}
.pc-list i{color:var(--hth-primary);font-size:18px;line-height:1.6}
.btns-full{width:100%;justify-content:center;display:inline-flex}
@media (max-width:991px){.pricing-grid{grid-template-columns:1fr;max-width:500px;margin:auto}.price-card.recommend{transform:none}.price-card.recommend:hover{transform:translateY(-6px)}}

/* 最新资讯 */
.latest-home{background:var(--hth-bg)}
.latest-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px}
.latest-left{display:flex;flex-direction:column;align-items:flex-start}
.latest-left .link-arrow{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--hth-primary-dark)}
.latest-right{background:#fff;border:1px solid var(--hth-line);border-radius:24px;padding:14px 20px;box-shadow:var(--shadow-card)}
.news-feed-row{
  display:flex;gap:20px;align-items:center;padding:18px 12px;border-radius:12px;text-decoration:none;
  transition:background .2s;
}
.news-feed-row:hover{background:var(--hth-primary-soft)}
.news-feed-row+.news-feed-row{border-top:1px solid var(--hth-line)}
.news-feed-cat{
  flex-shrink:0;background:var(--hth-primary-soft);color:var(--hth-primary-dark);font-size:13px;font-weight:700;
  padding:6px 12px;border-radius:999px;white-space:nowrap;
}
.news-feed-content{flex:1;min-width:0}
.news-feed-title{display:block;font-size:16px;font-weight:700;color:var(--hth-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-feed-row:hover .news-feed-title{color:var(--hth-primary-dark)}
.news-feed-desc{display:block;color:var(--hth-muted);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}
.news-feed-meta{flex-shrink:0;font-family:var(--font-monospace);font-size:13px;color:var(--hth-muted);white-space:nowrap}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:280px;color:var(--hth-muted);
}
.news-empty .news-empty-mark{
  width:64px;height:64px;border-radius:50%;background:var(--hth-primary-soft);color:var(--hth-primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-family:var(--font-monospace);font-size:18px;margin-bottom:14px;
}
.news-empty p{font-size:15px;margin:0 0 4px;color:var(--hth-text)}
.news-empty span{font-size:14px}
@media (max-width:991px){.latest-wrap{grid-template-columns:1fr;gap:24px}.news-feed-row{flex-direction:column;align-items:flex-start;gap:10px}.news-feed-meta{white-space:normal}}

/* FAQ */
.faq-home{background:#fff}
.faq-center{max-width:900px;margin:auto}
.accordion-item{border:1px solid var(--hth-line);border-radius:16px!important;margin-bottom:14px;overflow:hidden}
.accordion-button{
  background:#fff;color:var(--hth-text);font-size:17px;font-weight:700;padding:22px 24px;box-shadow:none;gap:16px;
}
.accordion-button::after{display:none}
.accordion-button:not(.collapsed){background:#fff;color:var(--hth-primary-dark)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--hth-accent);outline-offset:-2px}
.acc-icon{
  width:34px;height:34px;border-radius:10px;background:var(--hth-primary-soft);color:var(--hth-primary);
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;
}
.accordion-button:not(.collapsed) .acc-icon{background:var(--grad-brand);color:#fff}
.accordion-body{padding:0 24px 20px 74px;color:var(--hth-muted);font-size:16px;line-height:1.85}

/* CTA */
.cta-home{
  position:relative;overflow:hidden;background:var(--grad-dark);
}
.cta-home::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(23,29,27,.7),rgba(244,84,30,.36)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-panel{position:relative;z-index:2;text-align:center;max-width:760px;margin:auto;padding:36px 0}
.cta-panel h2{color:#fff;font-size:38px;letter-spacing:-.8px}
.cta-panel p{color:rgba(255,255,255,.72);font-size:17px;margin:16px 0 30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.btn-white{
  background:#fff;color:var(--hth-deep);font-weight:700;padding:14px 28px;border-radius:999px;
  transition:transform .2s,box-shadow .2s,background .2s;
}
.btn-white:hover{background:var(--hth-accent);color:#fff;transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff;padding:12px 26px;border-radius:999px;font-weight:700;transition:background .2s,border-color .2s,transform .2s}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;transform:translateY(-2px)}

/* 页脚 */
.site-footer{background:var(--hth-deep);color:#fff;padding:80px 0 28px}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 3fr 4fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-desc{color:rgba(255,255,255,.55);margin-top:18px;font-size:15px;max-width:360px;line-height:1.8}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.6);font-size:15px;transition:color .2s}
.footer-list a:hover{color:var(--hth-primary)}
.footer-contact{display:flex;flex-direction:column;gap:12px;color:rgba(255,255,255,.6);font-size:15px}
.footer-contact i{color:var(--hth-accent);margin-right:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:54px;padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:rgba(255,255,255,.42);font-size:13px;
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--hth-primary)}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* 通用响应式 */
@media (max-width:560px){
  .section{padding:64px 0}
  .section-title{font-size:30px}
  .hero-copy h1{font-size:33px}
  .hero-facts{gap:12px 24px}
  .hero-fact-num{font-size:24px}
}

/* roulang page: article */
:root{
  --hth-primary:#F4541E;
  --hth-primary-dark:#D63E0E;
  --hth-primary-soft:#FFF0E8;
  --hth-accent:#F7A600;
  --hth-deep:#171D1B;
  --hth-deep-2:#222A27;
  --hth-bg:#F7F5F0;
  --hth-text:#1F2422;
  --hth-muted:#6B7370;
  --hth-line:#E7E2DA;
  --hth-success:#12A594;
  --shadow-sm:0 2px 4px rgba(23,29,27,.04), 0 8px 22px -10px rgba(23,29,27,.08);
  --shadow-md:0 2px 4px rgba(23,29,27,.04), 0 18px 44px -16px rgba(23,29,27,.18);
  --shadow-lg:0 18px 60px -24px rgba(23,29,27,.28);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --trans:all .25s cubic-bezier(.2,.7,.2,1);
  --hth-gradient:linear-gradient(135deg,#F4541E 0%,#F7A600 100%);
  --hth-deep-gradient:linear-gradient(160deg,#171D1B 0%,#24302C 100%);
}
*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:hidden}
body{
  margin:0;
  background:var(--hth-bg);
  color:var(--hth-text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:var(--trans)}
a:hover{color:var(--hth-primary-dark)}
button,input,select,textarea{font-family:inherit}
.container{max-width:1320px;padding-left:24px;padding-right:24px}

h1,h2,h3,h4,h5,h6{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,3vw,2.75rem);line-height:1.3}
h2{font-size:clamp(1.5rem,2.4vw,2.1rem)}
h3{font-size:clamp(1.12rem,1.4vw,1.4rem)}

.bi{line-height:1;vertical-align:-.08em}

/* buttons */
.btn{
  --bs-btn-focus-box-shadow:0 0 0 .25rem rgba(244,84,30,.18);
  --bs-btn-active-border-color:transparent;
  --bs-btn-focus-shadow-rgb:244,84,30;
  border-radius:14px;
  border:none;
  padding:.75rem 1.4rem;
  font-weight:700;
  font-size:15px;
  transition:var(--trans);
  display:inline-flex;
  align-items:center;
  gap:.45em;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--hth-accent);outline-offset:2px}
.btn-main{background:var(--hth-gradient);color:#fff;box-shadow:0 8px 22px -8px rgba(244,84,30,.55)}
.btn-main:hover,.btn-main:active{background:var(--hth-gradient);color:#fff;box-shadow:0 14px 30px -10px rgba(244,84,30,.65)}
.btn-outline{background:transparent;border:1.6px solid rgba(23,29,27,.22);color:var(--hth-deep)}
.btn-outline:hover{border-color:var(--hth-primary);background:var(--hth-primary-soft)}
.btn-white{background:#fff;color:var(--hth-deep)}
.btn-white:hover{background:#fff;color:var(--hth-primary-dark)}
.btn-ghost-light{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--hth-deep)}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(247,245,240,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(231,226,218,.78);
}
.navbar{padding:0;min-height:76px}
.nav-shell{align-items:center;gap:18px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-symbol{
  width:38px;height:38px;border-radius:11px;
  background:var(--hth-gradient);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;letter-spacing:-.03em;
  box-shadow:0 6px 16px -6px rgba(244,84,30,.55);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--hth-deep)}
.brand-text:hover{color:var(--hth-primary)}

.main-navbar{justify-content:space-between;gap:18px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links .nav-link{
  padding:.55rem 1.02rem;
  color:var(--hth-text);
  font-size:15px;
  font-weight:600;
  border-radius:999px;
  position:relative;
  white-space:nowrap;
}
.nav-links .nav-link::after{
  content:"";position:absolute;left:24px;right:24px;bottom:-1px;height:2px;
  background:var(--hth-gradient);
  border-radius:999px;
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .28s,transform .28s;
}
.nav-links .nav-link:hover{color:var(--hth-primary);opacity:1}
.nav-links .nav-link.active{
  color:var(--hth-primary);
  background:rgba(244,84,30,.07);
}
.nav-links .nav-link.active::after{opacity:1;transform:scaleX(1)}
.nav-util{display:flex;align-items:center;gap:14px}

.search-form{position:relative;display:flex;align-items:center}
.search-input{
  width:210px;height:42px;
  border:1px solid var(--hth-line);
  background:#fff;
  border-radius:999px;
  padding:.3rem 2.6rem .3rem 1.1rem;
  font-size:14px;
  color:var(--hth-text);
  outline:none;
  transition:var(--trans);
}
.search-input::placeholder{color:var(--hth-muted)}
.search-input:focus{width:250px;border-color:var(--hth-primary);box-shadow:0 0 0 4px rgba(244,84,30,.1)}
.search-btn{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:50%;
  border:0;background:var(--hth-primary-soft);color:var(--hth-primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
  transition:var(--trans);
}
.search-btn:hover{background:var(--hth-gradient);color:#fff}
.btn-nav-cta{
  background:var(--hth-gradient);color:#fff;
  border-radius:999px;padding:.55rem 1.18rem;font-weight:700;font-size:14px;
  box-shadow:0 6px 14px -6px rgba(244,84,30,.5);
}
.btn-nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 20px -8px rgba(244,84,30,.55)}
.navbar-toggler{border:0;box-shadow:none;padding:.5rem .4rem;background:transparent}
.navbar-toggler:focus{box-shadow:0 0 0 2px rgba(244,84,30,.3)}
.navbar-toggler:active{background:rgba(244,84,30,.08)}
.navbar-toggler-icon{
  width:28px;height:18px;display:inline-block;position:relative;background:transparent;
}
.navbar-toggler-icon span,.navbar-toggler-icon::after,.navbar-toggler-icon::before{
  content:"";position:absolute;left:4px;right:4px;height:2px;border-radius:2px;background:var(--hth-deep);transition:var(--trans);
}
.navbar-toggler-icon span{top:8px}
.navbar-toggler-icon::before{top:2px}
.navbar-toggler-icon::after{top:14px}

@media (max-width:991.98px){
  .main-navbar{
    position:fixed;
    inset:76px 0 0 0;
    background:rgba(247,245,240,.985);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    align-items:stretch;
    padding:30px 24px 40px;
    border-top:1px solid rgba(23,29,27,.05);
    overflow-y:auto;
  }
  .main-navbar.show,.main-navbar.collapsing{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px}
  .nav-links .nav-link{border-radius:16px;font-size:20px;padding:.85rem 1rem}
  .nav-links .nav-link::after{display:none}
  .nav-links .nav-link.active{background:var(--hth-primary-soft);color:var(--hth-primary-dark)}
  .nav-util{margin-top:28px;padding-top:24px;border-top:1px solid var(--hth-line);flex-wrap:wrap}
}

/* article masthead */
.article-masthead{
  position:relative;
  padding:50px 0 44px;
  background:linear-gradient(112deg,#FFF4EB 0%,#F7F5F0 48%,#F7F5F0 70%);
  border-bottom:1px solid var(--hth-line);
  overflow:hidden;
}
.article-masthead::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,84,30,.08),transparent 66%);
  right:-120px;top:-180px;pointer-events:none;
}
.mast-row{align-items:stretch;gap:28px}
.article-mastleft{position:relative;z-index:2}
.mast-head-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.chip-hth{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--hth-line);border-radius:999px;
  padding:.32rem .88rem;font-size:13px;color:var(--hth-muted);box-shadow:var(--shadow-sm);
}
.chip-dot{width:8px;height:8px;border-radius:50%;background:var(--hth-gradient);display:inline-block}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--hth-muted);margin-bottom:18px;letter-spacing:.01em;
}
.breadcrumb-nav a{color:var(--hth-muted)}
.breadcrumb-nav a:hover{color:var(--hth-primary)}
.breadcrumb-nav .breadcrumb-slash{color:rgba(107,115,112,.6);margin:0 2px}
.breadcrumb-nav .breadcrumb-current{color:var(--hth-text);font-weight:600;max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.category-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--hth-primary-soft);
  color:var(--hth-primary-dark);
  font-weight:700;font-size:13px;line-height:1;
  padding:.5rem .9rem;border-radius:8px;
}
.page-h1{
  font-weight:800;
  color:var(--hth-deep);
  margin:14px 0 18px;
  max-width:860px;
  letter-spacing:-.02em;
}
.page-h1 .hot-underline{background-image:linear-gradient(transparent 70%,rgba(247,166,0,.35)0);background-repeat:no-repeat}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px 22px;
  color:var(--hth-muted);font-size:14px;
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item .bi{color:var(--hth-primary)}
.meta-date-num, .meta-num{
  font-family:"SF Mono",ui-monospace,Consolas,"Courier New",monospace;
  font-weight:600;
}
.mast-visual{
  height:100%;position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background-image:linear-gradient(160deg,rgba(23,29,27,.32),rgba(23,29,27,.89)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  min-height:260px;
  display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;
  padding:24px;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.08);
}
.mast-visual small{
  color:rgba(255,255,255,.75);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:6px;
}
.mast-visual p{color:#fff;font-weight:700;font-size:19px;line-height:1.5;max-width:220px;margin-bottom:0}
.mast-visual .visual-flag{width:44px;height:44px;border-radius:12px;background:var(--hth-gradient);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px}

.missing-head .page-h1{color:var(--hth-deep)}
.missing-icon{
  width:74px;height:74px;border-radius:22px;
  background:var(--hth-primary-soft);color:var(--hth-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:30px;margin-bottom:18px;
}

/* article layout */
.article-wrapper{position:relative;padding:44px 0 70px}
.article-grid{gap:24px}
.article-main .article-panel{
  background:#fff;
  border:1px solid var(--hth-line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:clamp(30px,4vw,56px);
  position:relative;
}
.article-panel::before{
  content:"";position:absolute;top:0;left:clamp(30px,4vw,56px);right:clamp(30px,4vw,56px);
  height:5px;background:var(--hth-gradient);border-radius:0 0 6px 6px;
  opacity:.9;
}
.entry-content{
  font-size:16.5px;
  line-height:1.95;
  color:var(--hth-text);
  overflow-wrap:break-word;
}
.entry-content p{margin-bottom:1.4rem}
.entry-content a{
  color:var(--hth-primary-dark);
  text-decoration:underline;
  text-decoration-color:rgba(214,62,14,.3);
  text-underline-offset:4px;
  transition:var(--trans);
}
.entry-content a:hover{color:var(--hth-primary);text-decoration-color:var(--hth-primary)}
.entry-content h2,.entry-content h3,.entry-content h4{margin-top:2.1em;margin-bottom:.7em;color:var(--hth-deep)}
.entry-content h2{
  font-size:clamp(1.35rem,2vw,1.75rem);
  padding-left:.7em;
  position:relative;
}
.entry-content h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:5px;
  border-radius:999px;background:var(--hth-gradient);
}
.entry-content h3{font-size:1.25rem;padding-bottom:.2rem;border-bottom:1px dashed var(--hth-line)}
.entry-content img{border-radius:18px;box-shadow:var(--shadow-md);margin:1.2rem auto;display:block}
.entry-content figure{margin:2rem 0}
.entry-content figcaption{color:var(--hth-muted);font-size:.87rem;text-align:center;margin-top:-0.4rem;padding:0 12px}
.entry-content ol,.entry-content ul{padding-left:1.2em;margin-bottom:1.5rem}
.entry-content ul li::marker{color:var(--hth-primary)}
.entry-content ol li::marker{color:var(--hth-primary);font-weight:700}
.entry-content li{margin-bottom:.4rem}
.entry-content blockquote{
  background:linear-gradient(135deg,var(--hth-primary-soft),rgba(247,166,0,.08));
  border-left:5px solid var(--hth-primary);
  margin:2rem 0;padding:1.1rem 1.6rem;
  border-radius:14px;color:var(--hth-deep);
  font-weight:600;
}
.entry-content blockquote p{font-size:1.06em;margin-bottom:0}
.entry-content table{
  width:100%;border-collapse:collapse;border-radius:14px;overflow:hidden;
  margin:1.8rem 0;font-size:.96em;
}
.entry-content th,.entry-content td{
  border:1px solid var(--hth-line);padding:.8rem 1rem;text-align:left;
}
.entry-content th{background:var(--hth-deep);color:#fff;border-color:var(--hth-deep)}
.entry-content tbody tr:nth-child(even){background:#FBFAF7}
.entry-content code{
  font-family:"SF Mono",ui-monospace,Consolas,monospace;
  background:var(--hth-primary-soft);color:var(--hth-primary-dark);
  border-radius:6px;padding:.15em .45em;font-size:.92em;
}

/* article footer nav */
.article-footnav{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border-top:1px solid var(--hth-line);
  padding-top:24px;margin-top:42px;flex-wrap:wrap;
}
.footnav-back{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--hth-text);font-weight:700;font-size:15px;
}
.footnav-back .icon-circle{
  width:38px;height:38px;border-radius:50%;background:var(--hth-primary-soft);color:var(--hth-primary-dark);
  display:inline-flex;align-items:center;justify-content:center;transition:var(--trans);
}
.footnav-back:hover{color:var(--hth-primary)}
.footnav-back:hover .icon-circle{background:var(--hth-gradient);color:#fff}
.footnav-next{
  display:inline-flex;gap:12px;align-items:center;
  background:var(--hth-deep);color:#fff;
  border-radius:999px;padding:12px 20px;font-weight:600;font-size:14px;
  box-shadow:var(--shadow-sm);transition:var(--trans);
}
.footnav-next .bi{transition:transform .25s}
.footnav-next:hover{background:var(--hth-deep-2);color:#fff}
.footnav-next:hover .bi{transform:translateX(4px)}
.footnav-next span:first-child{display:flex;flex-direction:column;line-height:1.3;font-weight:400;color:rgba(255,255,255,.7);font-size:12px}

/* aside */
.article-aside{position:relative;z-index:2}
.aside-sticky{position:sticky;top:104px;display:flex;flex-direction:column;gap:24px}

.aside-card{
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-sm);
}
.aside-card .aside-kicker{color:var(--hth-primary);font-weight:700;font-size:12px;display:inline-flex;align-items:center;gap:6px;letter-spacing:.08em}
.aside-title{position:relative;display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;margin-top:6px;color:var(--hth-deep)}
.aside-title::after{content:"";flex:1;height:1px;margin-left:6px;background:linear-gradient(90deg,var(--hth-line),transparent)}
.quick-nav-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.quick-nav-list a{
  display:flex;align-items:center;gap:12px;
  padding:.85rem 1rem;
  border:1px solid rgba(231,226,218,.7);
  border-radius:14px;
  font-size:15px;font-weight:700;
  color:var(--hth-text);
  background:#FDFCFA;
  transition:var(--trans);
}
.quick-nav-list a i{width:20px;height:20px;flex:0 0 20px}
.quick-nav-list a:hover{
  border-color:var(--hth-primary);background:var(--hth-primary-soft);color:var(--hth-primary-dark);
  transform:translateX(4px);
}
.quick-nav-list a em{
  font-style:normal;margin-left:auto;font-size:12px;color:var(--hth-muted);display:flex;align-items:center;
}
.aside-note{
  background:var(--hth-deep-gradient);
  border-radius:var(--radius-lg);
  padding:26px 22px;
  color:#fff;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.08);
}
.aside-note::after{
  content:"hth";position:absolute;right:-20px;bottom:-30px;
  font-size:128px;font-weight:900;line-height:normal;color:rgba(255,255,255,.045);letter-spacing:-.05em;
}
.aside-note *{position:relative;z-index:1}
.aside-note h3{font-size:20px;margin-bottom:8px}
.aside-note p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.7;margin-bottom:16px}
.aside-note .ash-icon{width:44px;height:44px;border-radius:13px;background:var(--hth-gradient);display:inline-flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.aside-note a{margin-top:2px}

.site-update-time{
  font-family:"SF Mono",ui-monospace,Consolas,monospace;
  font-size:13px;color:var(--hth-muted);
}

/* missing */
.missing-state{
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--radius-lg);
  padding:64px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.missing-state h2{font-size:1.6rem;color:var(--hth-deep);margin-bottom:12px}
.missing-state p{color:var(--hth-muted);max-width:460px;margin:0 auto 24px}

/* share row */
.share-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--hth-line)}
.share-row span{display:inline-flex;align-items:center;gap:6px;color:var(--hth-muted);font-size:13px}
.share-btn{
  width:38px;height:38px;border-radius:50%;
  background:#fff;border:1px solid var(--hth-line);color:var(--hth-text);
  display:inline-flex;align-items:center;justify-content:center;
  transition:var(--trans);
}
.share-btn:hover{border-color:var(--hth-primary);color:var(--hth-primary);transform:translateY(-2px)}
.copy-btn{
  height:38px;padding:.15rem 1rem;border-radius:999px;border:1px solid var(--hth-line);background:#fff;
  color:var(--hth-muted);font-size:13px;margin-left:auto;transition:var(--trans);
}
.copy-btn:hover{border-color:var(--hth-primary);color:var(--hth-primary)}

/* related */
.related-section{padding:8px 0 76px}
.related-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;flex-wrap:wrap;
}
.related-head h2{font-size:2rem;position:relative;padding-left:16px}
.related-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:99px;background:var(--hth-gradient)}
.related-head p{color:var(--hth-muted);margin:6px 0 0}
.rel-more{color:var(--hth-primary-dark);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:8px}
.rel-more:hover{color:var(--hth-primary)}
.related-card{
  background:#fff;border:1px solid var(--hth-line);border-radius:22px;
  overflow:hidden;box-shadow:var(--shadow-sm);
  height:100%;
  transition:var(--trans);
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.related-img{height:172px;overflow:hidden;background:var(--hth-primary-soft);position:relative}
.related-img img{height:100%;width:100%;object-fit:cover;transition:transform .6s}
.related-card:hover .related-img img{transform:scale(1.06)}
.related-img::after{content:"";position:absolute;left:0;right:0;bottom:0;height:40%;background:linear-gradient(transparent,rgba(23,29,27,.2));pointer-events:none}
.related-cat{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);
  color:var(--hth-primary-dark);border-radius:7px;padding:.3rem .7rem;
  font-size:12px;font-weight:800;z-index:2;
}
.related-body{padding:18px 18px 20px}
.related-date{display:flex;align-items:center;gap:6px;font-family:"SF Mono",ui-monospace,Consolas,monospace;font-size:12px;color:var(--hth-muted)}
.related-title{font-size:17px;font-weight:800;line-height:1.45;color:var(--hth-text);margin-top:7px}
.related-title a{color:inherit}
.related-title a:hover{color:var(--hth-primary)}
.related-more{
  margin-top:14px;display:inline-flex;align-items:center;color:var(--hth-primary-dark);font-weight:700;font-size:13px;
}
.related-more .bi{transition:transform .2s}
.related-card:hover .related-more .bi{transform:translateX(4px)}

/* CTA */
.post-cta{
  background:var(--hth-deep-gradient);border-radius:28px;
  color:#fff;overflow:hidden;position:relative;
  padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;
  gap:26px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
  border:1px solid rgba(255,255,255,.08);
}
.post-cta::after{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  right:-90px;top:-120px;background:rgba(244,84,30,.32);filter:blur(8px);pointer-events:none;
}
.post-cta h3{position:relative;z-index:1;font-size:22px}
.post-cta p{position:relative;z-index:1;color:rgba(255,255,255,.7);margin:6px 0 0;font-size:14px}
.post-cta a{position:relative;z-index:2;flex-shrink:0}

/* footer layout incl given footer */
.site-footer{
  background:var(--hth-deep);
  color:rgba(255,255,255,.72);
  border-radius:32px 32px 0 0;
  margin-top:12px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--hth-primary),var(--hth-accent),transparent);
  opacity:.85;
}
.site-footer .container{padding-top:54px;padding-bottom:28px;position:relative}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:42px;
  margin-bottom:40px;
}
.footer-brand .brand .brand-text{color:#fff}
.footer-desc{font-size:14px;color:rgba(255,255,255,.58);line-height:1.8;max-width:300px;margin-top:20px}
.footer-title{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;display:inline-block;position:relative;padding-bottom:6px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;border-radius:8px;background:var(--hth-gradient)}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-list a{color:rgba(255,255,255,.62);font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:var(--trans)}
.footer-list a i{color:var(--hth-accent);font-size:11px}
.footer-list a:hover{color:#fff;transform:translateX(5px)}
.footer-contact{display:grid;gap:14px}
.footer-contact span{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.62)}
.footer-contact .bi{color:var(--hth-accent);margin-top:5px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px;margin-top:26px;
  font-size:13px;color:rgba(255,255,255,.46);
}

@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .brand-text{font-size:18px}
}
@media (max-width:767px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .page-meta{flex-wrap:wrap}
}
@media (max-width:576px){
  .logo-text{font-size:17px}
  .footer-bottom{justify-content:center;text-align:center}
}

/* roulang page: category1 */
:root {
  --hth-primary: #F4541E;
  --hth-primary-dark: #D63E0E;
  --hth-primary-soft: #FFF0E8;
  --hth-accent: #F7A600;
  --hth-deep: #171D1B;
  --hth-deep-2: #222A27;
  --hth-bg: #F7F5F0;
  --hth-box: #FFFFFF;
  --hth-text: #1F2422;
  --hth-muted: #6B7370;
  --hth-line: #E7E2DA;
  --hth-success: #12A594;
  --hth-radius: 24px;
  --hth-shadow: 0 2px 4px rgba(23, 29, 27, .04), 0 16px 40px -12px rgba(23, 29, 27, .12);
  --hth-grad: linear-gradient(135deg, #F4541E 0%, #F7A600 100%);
  --hth-dark-grad: linear-gradient(160deg, #171D1B 0%, #24302C 100%);
  --bs-body-font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--hth-bg);
  color: var(--hth-text);
  font-family: var(--bs-body-font-family);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
* , *::before, *::after { box-sizing: border-box; }
a { color: var(--hth-primary-dark); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--hth-primary); }
img { max-width: 100%; height: auto; }
button, input { font-family: inherit; }
.container { max-width: 1280px; }
h1, h2, h3, h4, h5 { margin: 0 0 .45em; font-weight: 700; line-height: 1.3; color: var(--hth-deep); }
p { margin-top: 0; }

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: var(--hth-bg);
  border-bottom: 1px solid var(--hth-line);
}
.site-header .navbar { min-height: 70px; padding: .42rem 0; }
.nav-shell { display: flex; flex-wrap: wrap; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--hth-deep); font-weight: 800; font-size: 19px; line-height: 1.2; }
.brand:hover { color: var(--hth-deep); }
.brand-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--hth-grad);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: -.03em;
}
.main-navbar { flex: 1 1 auto; align-items: center; }
.nav-links { align-items: center; gap: .1rem; }
.nav-link {
  position: relative;
  display: inline-block;
  padding: .5rem .85rem !important;
  color: var(--hth-deep) !important;
  font-weight: 600;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: .85rem;
  right: .85rem;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--hth-primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link:hover { color: var(--hth-primary-dark) !important; }
.nav-link.active { color: var(--hth-primary-dark) !important; }
.nav-util { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.btn-nav-cta {
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--hth-grad);
  border: 0;
  color: #fff;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-nav-cta:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px -10px rgba(244, 84, 30, .85); }
.search-form { align-items: center; background: rgba(255,255,255,.96); border: 1px solid var(--hth-line); border-radius: 999px; padding: 4px 6px 4px 16px; }
.search-input { width: 180px; border: 0; background: transparent; color: var(--hth-deep); font-size: 14px; outline: none; }
.search-input::placeholder { color: var(--hth-muted); }
.search-btn { border: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--hth-deep); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; }
.search-btn:hover { background: var(--hth-primary); }
.navbar-toggler { border: 0 !important; box-shadow: none !important; }
.navbar-toggler-icon {
  width: 30px;
  height: 30px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(23,29,27,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.4' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important;
}
@media (max-width: 991.98px) {
  .site-header { background: var(--hth-bg); }
  .main-navbar { margin-top: 10px; background: #fff; border: 1px solid var(--hth-line); border-radius: 20px; padding: 18px; box-shadow: var(--hth-shadow); }
  .nav-links { flex-direction: column; align-items: stretch; }
  .nav-link { white-space: nowrap; }
  .nav-util { margin-left: 0; margin-top: 14px; padding-top: 16px; border-top: 1px solid var(--hth-line); }
  .nav-link::after { display: none; }
  .nav-link.active { color: var(--hth-primary) !important; background: var(--hth-primary-soft); border-radius: 10px; }
}

/* 通用标签/按钮/卡片 */
.tag {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  background: var(--hth-primary-soft);
  color: var(--hth-primary-dark);
}
.tag-dark { background: rgba(255,255,255,.12); color: #fff; }
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  padding: 13px 26px;
  border-radius: 14px;
  background: var(--hth-grad);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 24px -12px rgba(244,84,30,.8);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary-custom i { font-size: 1.1rem; }
.btn-primary-custom:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(244,84,30,.95); }
.btn-outline-dark-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1.5px solid var(--hth-deep);
  background: transparent;
  color: var(--hth-deep);
  padding: 12px 24px;
  border-radius: 14px;
  font-weight: 700;
  transition: background .2s, transform .2s;
}
.btn-outline-dark-custom:hover { background: var(--hth-primary-soft); color: var(--hth-deep); transform: translateY(-2px); }
.icon-square {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  border-radius: 14px;
  background: var(--hth-primary-soft);
  color: var(--hth-primary-dark);
  font-size: 22px;
}

/* 分类页矮型 Hero */
.cate-hero { padding: 32px 0 0; }
.breadcrumb-text { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; color: var(--hth-muted); font-size: 13px; margin-bottom: 22px; }
.breadcrumb-text a { color: var(--hth-deep); }
.breadcrumb-text a:hover { color: var(--hth-primary); }
.breadcrumb-text .sep { color: rgba(255,255,255,.55); }
.hero-split { display: flex; align-items: stretch; border-radius: 32px; overflow: hidden; background: var(--hth-deep); box-shadow: var(--hth-shadow); }
.hero-copy {
  background: var(--hth-bg);
  padding: clamp(32px, 5vw, 66px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 460px;
}
.hero-copy .tag { margin-bottom: 14px; }
.hero-copy h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--hth-deep);
  margin: 0 0 12px;
}
.hero-lead { font-size: 16px; line-height: 1.9; color: var(--hth-muted); max-width: 470px; margin: 0 0 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.hero-copy-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: var(--hth-muted); }
.hero-copy-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-copy-meta i { color: var(--hth-primary); }
.hero-visual {
  position: relative;
  min-height: 420px;
  background:
    linear-gradient(120deg, rgba(23,29,27,.88), rgba(34,42,39,.55)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.hero-visual-content { position: absolute; left: 26px; right: 26px; bottom: 28px; z-index: 2; color: #fff; }
.hero-visual-panel { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.1); backdrop-filter: blur(8px); border-radius: 20px; padding: 20px; }
.hero-panel-top { display: flex; align-items: center; gap: 10px; font-size: 13px; color: rgba(255,255,255,.78); margin-bottom: 6px; }
.hero-panel-top i { color: var(--hth-accent); }
.hero-visual-panel h2 { color: #fff; font-size: 22px; margin-bottom: 8px; }
.hero-visual-panel p { color: rgba(255,255,255,.82); font-size: 14px; margin-bottom: 16px; }
.hero-panel-stats { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-panel-stats span { background: rgba(255,255,255,.12); border-radius: 999px; padding: 5px 12px; font-size: 13px; font-family: "SF Mono", ui-monospace, Consolas, monospace; }
@media (max-width: 991.98px) {
  .hero-split { flex-wrap: wrap; border-radius: 24px; }
  .hero-copy { min-height: auto; }
  .hero-visual { min-height: 220px; }
}

/* 主体双栏目录 */
.catalog-section { padding: 72px 0 50px; }
.catalog-layout { row-gap: 36px; }
.catalog-aside { position: relative; }
.aside-card { position: sticky; top: 100px; background: #fff; border: 1px solid var(--hth-line); border-radius: var(--hth-radius); padding: 22px 20px; box-shadow: 0 10px 30px -24px rgba(23,29,27,.25); }
.aside-kicker { display: block; font-size: 13px; letter-spacing: .12em; color: var(--hth-muted); margin-bottom: 12px; }
.aside-card h2 { font-size: 20px; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--hth-line); }
.anchor-nav { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.anchor-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--hth-muted);
  font-weight: 600;
  padding: 9px 12px;
  border-radius: 12px;
  transition: background .2s, color .2s;
}
.anchor-nav a span { font-family: "SF Mono", ui-monospace, Consolas, monospace; font-size: 13px; color: var(--hth-muted); }
.anchor-nav a:hover { color: var(--hth-primary-dark); background: var(--hth-primary-soft); }
.anchor-nav a:hover span { color: var(--hth-primary); }
.aside-card-note { margin-top: 16px; background: var(--hth-primary-soft); border-radius: 14px; padding: 14px; font-size: 13px; line-height: 1.7; color: var(--hth-deep); }
.aside-card-note i { color: var(--hth-primary); margin-right: 4px; }
.content-column { min-width: 0; }
.collapse-tip-card { background: #fff; border: 1px solid var(--hth-line); border-radius: var(--hth-radius); padding: 20px 24px; display: flex; gap: 16px; align-items: flex-start; margin-bottom: 48px; box-shadow: 0 10px 30px -26px rgba(23,29,27,.18); }
.collapse-tip-card p { margin: 0; font-size: 14px; color: var(--hth-muted); line-height: 1.7; }
.catalog-block { margin-bottom: 72px; scroll-margin-top: 100px; }
.group-head { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 26px; }
.group-head .step-num {
  font-family: "SF Mono", ui-monospace, Consolas, monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--hth-primary);
  background: var(--hth-primary-soft);
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.group-head h2 { font-size: 26px; letter-spacing: -.01em; margin: 0 0 4px; }
.group-head p { margin: 0; color: var(--hth-muted); font-size: 15px; max-width: 640px; line-height: 1.7; }
.catalog-card {
  background: #fff;
  border: 1px solid var(--hth-line);
  border-radius: var(--hth-radius);
  padding: 24px;
  box-shadow: 0 10px 30px -26px rgba(23,29,27,.2);
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.catalog-card:hover { transform: translateY(-4px); box-shadow: var(--hth-shadow); border-color: rgba(244,84,30,.24); }
.catalog-card-dark { background: var(--hth-dark-grad); color: #fff; border: 1px solid rgba(255,255,255,.08); }
.catalog-card-dark h3 { color: #fff; }
.catalog-card-dark p { color: rgba(255,255,255,.78); }
.catalog-card-dark .card-label { color: var(--hth-accent); }
.card-label { display: inline-block; font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.check-list { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.check-list li { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; line-height: 1.7; color: var(--hth-muted); }
.check-list li i { color: var(--hth-success); line-height: 1.6; }
.check-list li strong { color: var(--hth-deep); font-weight: 600; margin-right: 6px; }
.tight-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.tight-list li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px dashed var(--hth-line); font-size: 14px; }
.tight-list li:last-child { border-bottom: 0; }
.tight-list .lt-label { display: inline-flex; align-items: center; gap: 8px; color: var(--hth-deep); font-weight: 600; }
.tight-list .lt-label i { color: var(--hth-primary); }
.tight-list .lt-value { font-family: "SF Mono", ui-monospace, Consolas, monospace; color: var(--hth-muted); }
.image-card { overflow: hidden; padding: 0; }
.image-card img { width: 100%; height: 230px; object-fit: cover; }
.image-card .img-caption { padding: 24px; }
.img-badge { position: absolute; top: 16px; left: 16px; z-index: 2; }
.image-wrap { position: relative; }
.quote-note { display: flex; align-items: center; gap: 18px; background: var(--hth-primary-soft); border-left: 5px solid var(--hth-primary); border-radius: 18px; padding: 20px 24px; margin-bottom: 20px; }
.quote-note i { font-size: 28px; color: var(--hth-primary); }
.quote-note p { margin: 0; color: var(--hth-text); font-size: 15px; }

/* 说明横幅 */
.explain-banner { background: #fff; border: 1px solid var(--hth-line); border-radius: var(--hth-radius); padding: 20px 24px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.explain-banner p { margin: 0; color: var(--hth-muted); font-size: 14px; }
.explain-banner strong { color: var(--hth-deep); }

/* 深层数据带 */
.insight-strip { background: var(--hth-dark-grad); border-radius: 32px; padding: 42px; margin: 10px 0 64px; position: relative; overflow: hidden; }
.insight-strip::before { content: ""; position: absolute; right: -50px; top: -50px; width: 180px; height: 180px; background: radial-gradient(circle, rgba(244,84,30,.35), transparent 70%); }
.insight-strip h2 { color: #fff; font-size: 24px; line-height: 1.4; margin-bottom: 26px; }
.insight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.insight-item { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: 20px; }
.insight-item strong { display: block; font-family: "SF Mono", ui-monospace, Consolas, monospace; font-size: 28px; color: #fff; font-weight: 700; line-height: 1.3; }
.insight-item strong em { font-style: normal; color: var(--hth-accent); font-size: 15px; margin-left: 4px; }
.insight-item span { display: block; margin-top: 4px; color: rgba(255,255,255,.68); font-size: 14px; }
@media (max-width: 991.98px) {
  .insight-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575.98px) {
  .insight-grid { grid-template-columns: 1fr; }
}

/* FAQ */
.faq-section { background: #fff; border-radius: var(--hth-radius); padding: 54px clamp(20px, 4vw, 48px); box-shadow: var(--hth-shadow); margin-bottom: 72px; }
.faq-section-head { margin-bottom: 34px; max-width: 760px; }
.faq-section-head h2 { font-size: 32px; margin-bottom: 8px; }
.faq-section-head p { color: var(--hth-muted); font-size: 15px; }
.accordion-item { border: 1px solid var(--hth-line) !important; border-radius: 18px !important; margin-bottom: 14px; overflow: hidden; }
.accordion-item:focus-within { box-shadow: 0 0 0 3px rgba(244,84,30,.2); }
.accordion-header { border: 0; }
.accordion-button { background: #fff; color: var(--hth-deep); font-weight: 700; font-size: 16px; padding: 22px 24px; box-shadow: none !important; outline: none; border: 0 !important; border-radius: 18px !important; }
.accordion-button:not(.collapsed) { background: var(--hth-primary-soft); color: var(--hth-deep); }
.accordion-button::after { display: none; }
.faq-no { color: var(--hth-primary); font-family: "SF Mono", ui-monospace, Consolas, monospace; margin-right: 10px; font-weight: 700; }
.accordion-arrow { margin-left: auto; font-size: 20px; color: var(--hth-primary); }
.accordion-body { padding: 4px 24px 24px; color: var(--hth-muted); font-size: 15px; line-height: 1.9; background: #fff; }
.accordion-body p:last-child { margin: 0; }

/* CTA */
.cta-empty { margin-bottom: 70px; }
.cta-band { border-radius: 32px; padding: clamp(34px, 5vw, 56px); color: #fff; background: linear-gradient(135deg, #F4541E 0%, #F7A600 88%); position: relative; overflow: hidden; }
.cta-band::before { content: "hth"; position: absolute; right: -22px; bottom: -48px; font-size: 160px; font-weight: 900; opacity: .12; color: #fff; font-family: "SF Mono", ui-monospace, Consolas, monospace; }
.cta-band h2 { color: #fff; font-size: clamp(24px, 4vw, 36px); margin-bottom: 12px; position: relative; z-index: 1; }
.cta-band p { color: rgba(255,255,255,.92); max-width: 600px; margin-bottom: 24px; position: relative; z-index: 1; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; position: relative; z-index: 1; }
.btn-white-custom { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--hth-deep); border: 0; border-radius: 14px; padding: 13px 28px; font-weight: 700; box-shadow: 0 12px 30px -16px rgba(23,29,27,.35); }
.btn-white-custom:hover { color: var(--hth-primary-dark); transform: translateY(-2px); box-shadow: var(--hth-shadow); }
.btn-ghost-white { display: inline-flex; align-items: center; gap: 8px; border: 1.5px solid rgba(255,255,255,.75); background: transparent; color: #fff; padding: 12px 26px; border-radius: 14px; font-weight: 700; transition: background .2s, transform .2s; }
.btn-ghost-white:hover { background: rgba(255,255,255,.14); color: #fff; transform: translateY(-2px); }

/* 页脚 */
.site-footer { background: var(--hth-deep); color: rgba(255,255,255,.76); border-top: 4px solid var(--hth-primary); }
.site-footer .footer-grid { display: grid; grid-template-columns: 1.6fr .8fr 1fr 1fr; gap: 36px; padding: 64px 0 32px; }
.site-footer .brand { color: #fff; }
.footer-desc { margin: 16px 0 0; max-width: 340px; font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.66); }
.footer-title { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-list li a { color: rgba(255,255,255,.68); font-size: 14px; transition: color .2s, padding-left .2s; }
.footer-list li a:hover { color: var(--hth-accent); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; font-size: 14px; color: rgba(255,255,255,.62); }
.footer-contact i { color: var(--hth-accent); margin-right: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0 26px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom span:first-child { color: rgba(255,255,255,.7); }
@media (max-width: 991.98px) {
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 575.98px) {
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}

/* 其他响应式 */
@media (min-width: 992px) {
  .site-header { background: linear-gradient(90deg, var(--hth-bg) 0%, var(--hth-bg) 46%, var(--hth-deep) 46%, var(--hth-deep-2) 100%); border-bottom: 1px solid transparent; }
  .search-form { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.16); }
  .search-input { color: #fff; }
  .search-input::placeholder { color: rgba(255,255,255,.68); }
  .search-btn { background: var(--hth-primary); color: #fff; }
}
@media (max-width: 767.98px) {
  .catalog-section { padding-top: 50px; }
  .catalog-block { margin-bottom: 56px; }
  .group-head { gap: 12px; }
  .group-head .step-num { width: 40px; height: 40px; font-size: 17px; }
  .group-head h2 { font-size: 22px; }
  .hero-actions .btn-primary-custom, .hero-actions .btn-outline-dark-custom { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* roulang page: category2 */
:root {
            --hth-primary: #F4541E;
            --hth-primary-dark: #D63E0E;
            --hth-primary-soft: #FFF0E8;
            --hth-accent: #F7A600;
            --hth-deep: #171D1B;
            --hth-deep-2: #222A27;
            --hth-bg: #F7F5F0;
            --hth-text: #1F2422;
            --hth-muted: #6B7370;
            --hth-line: #E7E2DA;
            --hth-success: #12A594;
            --hth-gradient: linear-gradient(135deg, #F4541E 0%, #F7A600 100%);
            --hth-gradient-deep: linear-gradient(160deg, #171D1B 0%, #24302C 100%);
            --hth-radius: 20px;
            --hth-radius-lg: 28px;
            --hth-shadow: 0 2px 4px rgba(23, 29, 27, .04), 0 16px 40px -12px rgba(23, 29, 27, .12);
            --hth-shadow-hover: 0 6px 14px rgba(23, 29, 27, .06), 0 26px 50px -12px rgba(23, 29, 27, .16);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--hth-text);
            background: var(--hth-bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease, background-color .25s ease, box-shadow .25s ease, border-color .25s ease, transform .25s ease, opacity .25s ease;
        }

        button,
        input {
            font: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--hth-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(247, 245, 240, .88);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--hth-line);
        }

        .site-header .navbar {
            padding: 12px 0;
            min-height: 68px;
        }

        .nav-shell {
            display: flex;
            flex-wrap: inherit;
            align-items: center;
            gap: 16px;
            width: 100%;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-symbol {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--hth-deep);
            color: #fff;
            font-weight: 900;
            font-size: 15px;
            letter-spacing: -0.02em;
            border-radius: 10px;
            text-transform: uppercase;
        }

        .brand-text {
            font-size: 19px;
            font-weight: 800;
            color: var(--hth-text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .main-navbar {
            justify-content: flex-end;
            flex-grow: 1;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links .nav-link {
            position: relative;
            padding: 8px 14px !important;
            font-size: 15px;
            font-weight: 600;
            color: var(--hth-text);
            border-radius: 10px;
        }

        .nav-links .nav-link:hover {
            color: var(--hth-primary);
            background: rgba(244, 84, 30, .06);
        }

        .nav-links .nav-link.active {
            color: var(--hth-primary);
        }

        .nav-links .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 1px;
            height: 2px;
            border-radius: 2px;
            background: var(--hth-gradient);
        }

        .nav-util {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 14px;
            flex-shrink: 0;
        }

        .search-form {
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--hth-line);
            border-radius: 999px;
            padding: 0 6px 0 16px;
        }

        .search-input {
            border: 0;
            background: transparent;
            width: 220px;
            height: 36px;
            color: var(--hth-text);
            font-size: 14px;
        }

        .search-input::placeholder {
            color: var(--hth-muted);
        }

        .search-btn {
            width: 36px;
            height: 36px;
            border: 0;
            border-radius: 50%;
            background: var(--hth-deep);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .search-btn:hover {
            background: var(--hth-primary);
        }

        .btn-nav-cta {
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            background: var(--hth-gradient);
            border: 0;
            box-shadow: 0 8px 20px -8px rgba(244, 84, 30, .5);
        }

        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px -8px rgba(244, 84, 30, .6);
            color: #fff;
        }

        .navbar-toggler {
            border: 0;
            background: transparent;
            width: 46px;
            height: 44px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: none !important;
        }

        .navbar-toggler-icon {
            width: 24px;
            height: 18px;
            position: relative;
            display: inline-block;
        }

        .navbar-toggler-icon>span,
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: "";
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: var(--hth-text);
            display: block;
        }

        .navbar-toggler-icon>span {
            top: 8px;
        }

        .navbar-toggler-icon::before {
            top: 0;
        }

        .navbar-toggler-icon::after {
            bottom: 0;
        }

        @media (max-width: 991.98px) {
            .main-navbar {
                background: var(--hth-bg);
                border-radius: 20px;
                padding: 18px;
                margin-top: 14px;
                border: 1px solid var(--hth-line);
                box-shadow: var(--hth-shadow);
            }

            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

            .nav-links .nav-link {
                display: block;
                padding: 12px 16px !important;
                border-radius: 12px;
            }

            .nav-links .nav-link.active::after {
                display: none;
            }

            .nav-links .nav-link.active {
                background: var(--hth-primary-soft);
            }

            .nav-util {
                flex-direction: column;
                align-items: stretch;
                margin-left: 0;
                margin-top: 14px;
            }

            .nav-util .btn-nav-cta {
                justify-content: center;
                padding: 11px 16px;
            }
        }

        /* ===== 通用按钮 ===== */
        .btn {
            border-radius: 12px;
            font-weight: 700;
            padding: 12px 24px;
            font-size: 15px;
            line-height: 1.4;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--hth-gradient);
            border: 0;
            color: #fff;
            box-shadow: 0 12px 30px -10px rgba(244, 84, 30, .55);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--hth-gradient);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 16px 34px -12px rgba(244, 84, 30, .65);
        }

        .btn-outline-dark {
            background: transparent;
            border: 1.5px solid var(--hth-deep);
            color: var(--hth-deep);
        }

        .btn-outline-dark:hover,
        .btn-outline-dark:focus {
            background: var(--hth-primary-soft);
            border-color: var(--hth-deep);
            color: var(--hth-deep);
        }

        .btn-light-ghost {
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .35);
            color: #fff;
        }

        .btn-light-ghost:hover {
            background: #fff;
            color: var(--hth-deep);
        }

        @media (max-width: 575.98px) {
            .btn {
                width: 100%;
                text-align: center;
            }
        }

        /* ===== 分类页首屏：矮型分屏 ===== */
        .cat-page-hero {
            background: linear-gradient(180deg, #F7F5F0 0%, #FDFCF9 100%);
            border-bottom: 1px solid var(--hth-line);
            padding-top: 44px;
            padding-bottom: 48px;
            overflow: hidden;
        }

        .cat-hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: stretch;
        }

        .cat-hero-content {
            padding: 36px 0 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .crumb {
            margin-bottom: 16px;
        }

        .crumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            padding: 0;
            margin: 0;
        }

        .crumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--hth-muted);
        }

        .crumb li+li::before {
            content: "/";
            color: var(--hth-line);
        }

        .crumb a {
            color: var(--hth-muted);
        }

        .crumb a:hover {
            color: var(--hth-primary);
        }

        .crumb li:last-child {
            color: var(--hth-primary);
            font-weight: 700;
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-primary-soft);
            color: var(--hth-primary-dark);
            font-size: 13px;
            font-weight: 700;
            border-radius: 8px;
            padding: 6px 12px;
            margin-bottom: 18px;
            width: fit-content;
        }

        .hero-chip i {
            font-size: 14px;
        }

        .cat-hero-title {
            font-size: 34px;
            line-height: 1.24;
            font-weight: 900;
            color: var(--hth-deep);
            letter-spacing: -0.02em;
            margin: 0 0 14px;
        }

        .cat-hero-title span {
            background: linear-gradient(120deg, var(--hth-primary) 10%, var(--hth-accent) 90%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cat-hero-lead {
            font-size: 17px;
            color: var(--hth-muted);
            max-width: 46ch;
            margin-bottom: 22px;
            line-height: 1.85;
        }

        .hero-link-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .cat-hero-visual {
            position: relative;
            min-height: 400px;
            border-radius: var(--hth-radius-lg);
            overflow: hidden;
            background: linear-gradient(135deg, #F4541E 0%, #171D1B 92%);
            box-shadow: var(--hth-shadow);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }

        .cat-hero-visual::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 15%, rgba(247, 166, 0, .2), transparent 45%);
            pointer-events: none;
        }

        .cat-hero-visual img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .42;
        }

        .hero-visual-inner {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            padding: 26px;
            gap: 20px;
            color: #fff;
        }

        .hero-visual-badge {
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .24);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: 14px 18px;
            border-radius: 16px;
            color: #fff;
            max-width: 230px;
        }

        .hero-visual-badge strong {
            font-size: 15px;
            display: block;
            font-weight: 800;
        }

        .hero-visual-badge span {
            font-size: 12px;
            opacity: .78;
        }

        .visual-metric {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(23, 29, 27, .62);
            border-radius: 999px;
            padding: 10px 18px;
            color: #fff;
            backdrop-filter: blur(8px);
            font-size: 13px;
            white-space: nowrap;
        }

        .visual-metric strong {
            font-size: 22px;
            font-family: "SF Mono", ui-monospace, Consolas, monospace;
            color: #fff;
        }

        @media (max-width: 991.98px) {
            .cat-hero-grid {
                grid-template-columns: 1fr;
                gap: 4px;
            }

            .cat-hero-content {
                padding: 20px 0;
            }

            .cat-hero-visual {
                min-height: 200px;
            }

            .cat-hero-title {
                font-size: 32px;
            }
        }

        @media (max-width: 575.98px) {
            .cat-page-hero {
                padding-top: 30px;
                padding-bottom: 30px;
            }

            .cat-hero-title {
                font-size: 30px;
            }

            .cat-hero-lead {
                font-size: 15px;
            }

            .hero-visual-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-visual-badge {
                max-width: 100%;
            }
        }

        /* ===== 基础数据条 ===== */
        .stat-strip {
            padding: 28px 0;
            background: #fff;
            border-bottom: 1px solid var(--hth-line);
        }

        .stat-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .mini-stat {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px;
            border-radius: 16px;
            background: var(--hth-primary-soft);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .mini-stat:hover {
            transform: translateY(-2px);
            box-shadow: var(--hth-shadow-hover);
        }

        .mini-stat-num {
            font-family: "SF Mono", ui-monospace, Consolas, monospace;
            font-size: 32px;
            font-weight: 700;
            line-height: 1;
            color: var(--hth-primary);
            min-width: 64px;
        }

        .mini-stat-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--hth-text);
            margin-bottom: 4px;
        }

        .mini-stat-desc {
            font-size: 13px;
            color: var(--hth-muted);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 991.98px) {
            .stat-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .stat-strip-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ===== 横幅分隔区 ===== */
        .dot-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--hth-muted);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .12em;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .dot-eyebrow::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--hth-primary);
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: 30px;
            line-height: 1.3;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--hth-deep);
            margin: 0 0 12px;
        }

        .section-head h2 em {
            font-style: normal;
            color: var(--hth-primary);
        }

        .section-head p {
            color: var(--hth-muted);
            font-size: 16px;
            line-height: 1.85;
            margin: 0;
        }

        .dark-banner {
            position: relative;
            border-radius: var(--hth-radius-lg);
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            box-shadow: var(--hth-shadow);
        }

        .dark-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(23, 29, 27, .94) 0%, rgba(34, 42, 39, .82) 62%, rgba(244, 84, 30, .42) 100%);
        }

        .dark-banner .banner-body {
            position: relative;
            z-index: 2;
            padding: 52px;
            color: #fff;
        }

        .dark-banner .dot-eyebrow {
            color: rgba(255, 255, 255, .6);
        }

        .dark-banner h3 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            letter-spacing: -0.01em;
            color: #fff;
            margin: 0 0 14px;
        }

        .dark-banner p {
            color: rgba(255, 255, 255, .78);
            font-size: 16px;
            max-width: 54ch;
            margin: 0;
        }

        @media (max-width: 767.98px) {
            .dark-banner .banner-body {
                padding: 30px 24px;
            }

            .dark-banner h3 {
                font-size: 24px;
            }
        }

        /* ===== 阶段条目区 ===== */
        .section-phase {
            padding: 96px 0 74px;
        }

        .stagger-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-top: 32px;
        }

        .stagger-item {
            display: grid;
            grid-template-columns: 92px 48px 1fr;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius);
            padding: 28px;
            gap: 8px;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .stagger-item:nth-child(even) {
            margin-left: 40px;
        }

        .stagger-item::before {
            content: "";
            position: absolute;
            top: 28px;
            left: 0;
            width: 4px;
            height: 44px;
            background: var(--hth-gradient);
            border-radius: 0 6px 6px 0;
            opacity: 0;
            transition: opacity .3s ease;
        }

        .stagger-item {
            position: relative;
            overflow: hidden;
        }

        .stagger-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--hth-shadow-hover);
            border-color: rgba(244, 84, 30, .25);
        }

        .stagger-item:hover::before {
            opacity: 1;
        }

        .stagger-idx {
            font-family: "SF Mono", ui-monospace, Consolas, monospace;
            font-size: 44px;
            font-weight: 700;
            line-height: 1;
            color: var(--hth-primary-soft);
            -webkit-text-stroke: 1px var(--hth-primary);
            text-stroke: 1px var(--hth-primary);
        }

        .stagger-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--hth-deep);
            color: #fff;
            font-size: 20px;
        }

        .stagger-info h4 {
            font-size: 17px;
            font-weight: 800;
            margin: 0 0 10px;
            color: var(--hth-text);
        }

        .stagger-info p {
            font-size: 15px;
            color: var(--hth-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 78ch;
        }

        @media (max-width: 767.98px) {
            .section-phase {
                padding: 68px 0 44px;
            }

            .stagger-item,
            .stagger-item:nth-child(even) {
                grid-template-columns: 44px 1fr;
                gap: 4px 14px;
                margin-left: 0;
                padding: 22px;
            }

            .stagger-idx {
                font-size: 34px;
            }

            .stagger-icon {
                display: none;
            }
        }

        /* ===== 数据矩阵 ===== */
        .matrix-block {
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
            padding: 96px 0;
        }

        .matrix-block::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(23, 29, 27, .90), rgba(23, 29, 27, .82));
        }

        .matrix-block .container {
            position: relative;
            z-index: 2;
        }

        .matrix-block .section-head h2 {
            color: #fff;
        }

        .matrix-block .section-head p {
            color: rgba(255, 255, 255, .7);
        }

        .matrix-block .dot-eyebrow {
            color: var(--hth-accent);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .matrix-card {
            border-radius: 20px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            padding: 26px 28px;
            color: #fff;
            transition: background .25s ease, transform .25s ease;
        }

        .matrix-card:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-3px);
        }

        .matrix-card .matrix-num {
            font-family: "SF Mono", ui-monospace, Consolas, monospace;
            font-size: 40px;
            line-height: 1;
            font-weight: 700;
            color: var(--hth-accent);
            margin-bottom: 12px;
        }

        .matrix-card h4 {
            font-size: 16px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 6px;
        }

        .matrix-card p {
            margin: 0;
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
            line-height: 1.7;
        }

        @media (max-width: 767.98px) {
            .matrix-block {
                padding: 68px 0;
            }

            .matrix-grid {
                grid-template-columns: 1fr;
            }

            .matrix-card .matrix-num {
                font-size: 34px;
            }
        }

        /* ===== 场景区 ===== */
        .scene-section {
            padding: 96px 0;
        }

        .scene-lead {
            border-radius: var(--hth-radius-lg);
            background: var(--hth-primary-soft);
            border: 1px solid rgba(244, 84, 30, .1);
            padding: 40px 44px;
            margin-bottom: 28px;
            display: grid;
            grid-template-columns: 96px 1fr;
            gap: 18px 26px;
            align-items: center;
        }

        .scene-lead .scene-quote-num {
            font-family: "SF Mono", ui-monospace, Consolas, monospace;
            font-size: 56px;
            font-weight: 700;
            color: var(--hth-primary);
            line-height: 1;
        }

        .scene-lead h3 {
            font-size: 22px;
            font-weight: 800;
            margin: 0 0 6px;
        }

        .scene-lead p {
            margin: 0;
            color: var(--hth-muted);
            font-size: 15px;
        }

        .scene-grid {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .scene-card {
            display: grid;
            grid-template-columns: 64px 1fr 42px;
            gap: 20px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius);
            padding: 24px 26px;
            transition: box-shadow .3s ease, transform .3s ease;
        }

        .scene-card:nth-child(odd) {
            margin-right: 40px;
        }

        .scene-card:nth-child(even) {
            margin-left: 40px;
        }

        .scene-card:hover {
            box-shadow: var(--hth-shadow-hover);
            transform: translateY(-2px);
        }

        .scene-time {
            font-family: "SF Mono", ui-monospace, Consolas, monospace;
            background: var(--hth-deep);
            color: #fff;
            padding: 10px 6px;
            text-align: center;
            border-radius: 14px;
            font-weight: 700;
            font-size: 14px;
            line-height: 1.35;
        }

        .scene-content h4 {
            font-size: 17px;
            font-weight: 800;
            margin: 0 0 6px;
        }

        .scene-content p {
            font-size: 15px;
            color: var(--hth-muted);
            margin: 0;
            line-height: 1.75;
        }

        .scene-arrow {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--hth-line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--hth-primary);
            font-size: 17px;
        }

        @media (max-width: 991.98px) {
            .scene-section {
                padding: 68px 0;
            }

            .scene-card,
            .scene-card:nth-child(odd),
            .scene-card:nth-child(even) {
                margin-right: 0;
                margin-left: 0;
                grid-template-columns: 52px 1fr;
                gap: 14px;
            }

            .scene-arrow {
                display: none;
            }
        }

        @media (max-width: 575.98px) {
            .scene-lead {
                grid-template-columns: 1fr;
                padding: 28px 24px;
            }

            .scene-card {
                padding: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 0 0 100px;
        }

        .faq-card {
            background: #fff;
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius-lg);
            padding: 44px;
        }

        .faq-title-wrap {
            max-width: 620px;
            margin-bottom: 24px;
        }

        .faq-title-wrap h2 {
            font-size: 30px;
            font-weight: 900;
            color: var(--hth-deep);
            margin: 0 0 10px;
        }

        .faq-title-wrap p {
            color: var(--hth-muted);
            margin: 0;
        }

        .faq-accordion .accordion-item {
            background: transparent;
            border: 0;
            border-bottom: 1px solid var(--hth-line);
            border-radius: 0 !important;
        }

        .faq-accordion .accordion-button {
            background: transparent;
            box-shadow: none;
            border: 0;
            padding: 22px 16px 22px 0;
            font-size: 17px;
            font-weight: 800;
            color: var(--hth-deep);
            line-height: 1.5;
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: "\F64D";
            font-family: "bootstrap-icons";
            font-size: 20px;
            color: var(--hth-primary);
            width: auto;
            height: auto;
            opacity: .9;
            transition: transform .3s ease;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(135deg);
            color: var(--hth-primary);
        }

        .faq-accordion .accordion-button:hover {
            color: var(--hth-primary);
        }

        .faq-accordion .accordion-body {
            padding: 4px 36px 28px 0;
            color: var(--hth-muted);
            font-size: 15px;
            line-height: 1.9;
        }

        @media (max-width: 767.98px) {
            .faq-section {
                padding-bottom: 64px;
            }

            .faq-card {
                padding: 28px 24px;
            }

            .faq-accordion .accordion-button {
                font-size: 15px;
                padding: 18px 40px 18px 0;
            }
        }

        /* ===== 底部CTA与迷你入口 ===== */
        .cta-closing {
            padding: 14px 0 96px;
        }

        .cta-dark-panel {
            border-radius: var(--hth-radius-lg);
            overflow: hidden;
            position: relative;
            background: linear-gradient(135deg, #171D1B 0%, #24302C 55%, #F4541E 130%);
            padding: 56px;
            color: #fff;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 32px;
            align-items: center;
        }

        .cta-dark-panel::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(247, 166, 0, .26), transparent 68%);
        }

        .cta-dark-panel h2 {
            font-size: 28px;
            line-height: 1.4;
            margin: 0 0 12px;
            font-weight: 900;
            position: relative;
        }

        .cta-dark-panel p {
            position: relative;
            color: rgba(255, 255, 255, .75);
            margin: 0 0 26px;
            max-width: 52ch;
            font-size: 16px;
        }

        .cta-btn-row {
            position: relative;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .cta-mini-links {
            margin-top: 28px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .cta-mini-item {
            background: #fff;
            border: 1px solid var(--hth-line);
            border-radius: 18px;
            padding: 20px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
        }

        .cta-mini-item:hover {
            box-shadow: var(--hth-shadow-hover);
            border-color: rgba(244, 84, 30, .25);
            transform: translateY(-2px);
        }

        .cta-mini-item span {
            font-weight: 800;
            font-size: 15px;
        }

        .cta-mini-item small {
            display: block;
            color: var(--hth-muted);
            font-size: 13px;
            margin-top: 2px;
        }

        .cta-mini-item i {
            color: var(--hth-primary);
            font-size: 18px;
        }

        @media (max-width: 991.98px) {
            .cta-dark-panel {
                grid-template-columns: 1fr;
                padding: 40px 32px;
            }

            .cta-closing {
                padding-bottom: 64px;
            }
        }

        @media (max-width: 767.98px) {
            .cta-dark-panel {
                padding: 32px 24px;
            }

            .cta-dark-panel h2 {
                font-size: 24px;
            }

            .cta-mini-links {
                grid-template-columns: 1fr;
            }

            .cta-closing {
                padding-bottom: 48px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--hth-deep);
            color: rgba(255, 255, 255, .72);
            border-top: 4px solid transparent;
            border-image: linear-gradient(90deg, var(--hth-primary), var(--hth-accent)) 1;
            padding: 64px 0 0;
            margin-top: 0;
        }

        .site-footer .brand-text {
            color: #fff;
        }

        .site-footer .brand-symbol {
            background: var(--hth-gradient);
            color: #fff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
            gap: 36px;
            padding-bottom: 36px;
        }

        .footer-brand {
            padding-right: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin: 18px 0 0;
            max-width: 34ch;
            line-height: 1.8;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 18px;
        }

        .footer-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }

        .footer-list a {
            color: rgba(255, 255, 255, .62);
            font-size: 14px;
        }

        .footer-list a:hover {
            color: var(--hth-accent);
            padding-left: 4px;
        }

        .footer-contact {
            display: grid;
            gap: 14px;
            font-size: 14px;
        }

        .footer-contact span {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(255, 255, 255, .62);
        }

        .footer-contact i {
            color: var(--hth-accent);
            font-size: 16px;
            margin-top: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .48);
        }

        .footer-bottom span:last-child {
            color: rgba(255, 255, 255, .36);
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
            }
        }

/* roulang page: category3 */
:root {
      --hth-primary: #F4541E;
      --hth-primary-dark: #D63E0E;
      --hth-primary-soft: #FFF0E8;
      --hth-accent: #F7A600;
      --hth-deep: #171D1B;
      --hth-deep-2: #222A27;
      --hth-bg: #F7F5F0;
      --hth-text: #1F2422;
      --hth-muted: #6B7370;
      --hth-line: #E7E2DA;
      --hth-success: #12A594;
      --hth-radius: 24px;
      --hth-radius-lg: 32px;
      --hth-radius-sm: 10px;
      --hth-shadow: 0 2px 4px rgba(23,29,27,.04), 0 16px 40px -12px rgba(23,29,27,.12);
      --hth-shadow-sm: 0 2px 6px rgba(23,29,27,.06), 0 12px 24px -16px rgba(23,29,27,.12);
      --hth-dark-shadow: 0 24px 60px -20px rgba(0,0,0,.35);
      --hth-grad: linear-gradient(135deg, #F4541E 0%, #F7A600 100%);
      --hth-grad-dark: linear-gradient(160deg, #171D1B 0%, #24302C 100%);
      --hth-font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      --hth-mono: "SF Mono", ui-monospace, Consolas, monospace;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--hth-font);
      line-height: 1.8;
      color: var(--hth-text);
      background: var(--hth-bg);
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--hth-primary-dark);
      text-decoration: none;
      transition: color .2s ease, background-color .2s ease, border-color .2s ease, opacity .2s ease, transform .2s ease;
    }

    a:hover {
      color: var(--hth-primary);
    }

    img {
      max-width: 100%;
      height: auto;
      object-fit: cover;
    }

    .container {
      max-width: 1320px;
    }

    .section {
      padding: 96px 0;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      line-height: 1.3;
      margin: 0 0 .5em;
      font-weight: 800;
    }

    h2 {
      font-size: 34px;
    }

    h3 {
      font-size: 21px;
    }

    p {
      margin-top: 0;
    }

    ul,
    ol {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--hth-accent);
      outline-offset: 3px;
      border-radius: 6px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 14px;
      font-weight: 700;
      font-size: 15px;
      line-height: 1.4;
      padding: 12px 24px;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
      border: 1px solid transparent;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn-grad {
      background-image: var(--hth-grad);
      color: #fff;
      box-shadow: 0 12px 24px -10px rgba(244, 84, 30, .45);
    }

    .btn-grad:hover {
      color: #fff;
      box-shadow: 0 18px 32px -12px rgba(244, 84, 30, .55);
    }

    .btn-outline-deep {
      background: transparent;
      border: 1.5px solid var(--hth-deep);
      color: var(--hth-deep);
    }

    .btn-outline-deep:hover {
      border-color: transparent;
      background: var(--hth-primary-soft);
      color: var(--hth-primary-dark);
    }

    .btn-white {
      background: #fff;
      color: var(--hth-deep);
      border-color: #fff;
      box-shadow: 0 12px 28px -12px rgba(0,0,0,.4);
    }

    .btn-white:hover {
      opacity: .94;
      color: var(--hth-deep);
    }

    .btn-nav-cta {
      background-image: var(--hth-grad);
      color: #fff !important;
      padding: 10px 22px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 14px;
      min-height: 44px;
    }

    .btn-nav-cta:hover {
      color: #fff;
      box-shadow: 0 12px 24px -10px rgba(244, 84, 30, .45);
    }

    .site-header {
      position: relative;
      z-index: 1040;
      background: var(--hth-bg);
      border-bottom: 1px solid var(--hth-line);
    }

    .nav-shell {
      display: flex;
      align-items: center;
      min-height: 68px;
      position: relative;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--hth-text);
      flex-shrink: 0;
    }

    .brand:hover {
      color: var(--hth-text);
    }

    .brand-symbol {
      display: inline-grid;
      place-items: center;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background-image: var(--hth-grad);
      color: #fff;
      font-size: 15px;
      font-weight: 900;
      letter-spacing: -0.04em;
      text-transform: uppercase;
      box-shadow: 0 8px 18px -8px rgba(244,84,30,.5);
    }

    .brand-text {
      font-size: 19px;
      font-weight: 900;
      color: var(--hth-text);
      letter-spacing: -0.01em;
      white-space: nowrap;
    }

    .main-navbar {
      flex: 1;
      justify-content: flex-end;
      align-items: center;
    }

    .nav-links {
      margin-left: auto;
      margin-right: 12px;
      gap: 2px;
      align-items: center;
    }

    .nav-links .nav-link {
      color: var(--hth-text);
      font-size: 15px;
      font-weight: 600;
      padding: 10px 14px;
      position: relative;
      border-radius: 10px;
      transition: background-color .2s, color .2s;
    }

    .nav-links .nav-link::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 3px;
      height: 0;
      border-radius: 99px;
      background: var(--hth-grad);
      transition: height .2s ease;
    }

    .nav-links .nav-link:hover {
      color: var(--hth-primary-dark);
      background: rgba(244, 84, 30, .05);
    }

    .nav-links .nav-link.active {
      color: var(--hth-primary);
      font-weight: 800;
      background: rgba(244, 84, 30, .06);
    }

    .nav-links .nav-link.active::after {
      height: 3px;
    }

    .nav-util {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-left: 4px;
    }

    .search-form {
      position: relative;
      width: 200px;
    }

    .search-input {
      width: 100%;
      height: 44px;
      border: 1px solid var(--hth-line);
      background: #fff;
      border-radius: 999px;
      padding: 0 44px 0 16px;
      font-size: 14px;
      color: var(--hth-text);
      transition: border-color .2s, box-shadow .2s;
      outline: none;
    }

    .search-input:focus {
      border-color: var(--hth-primary);
      box-shadow: 0 0 0 .25rem rgba(244, 84, 30, .14);
    }

    .search-btn {
      position: absolute;
      right: 5px;
      top: 5px;
      width: 34px;
      height: 34px;
      border: none;
      background: var(--hth-primary-soft);
      color: var(--hth-primary-dark);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background-color .2s, color .2s, transform .2s;
    }

    .search-btn:hover {
      background: var(--hth-grad);
      color: #fff;
      transform: scale(1.04);
    }

    .navbar-toggler {
      border: 0;
      width: 44px;
      height: 44px;
      padding: 0;
      background: transparent;
      border-radius: 12px;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 2px var(--hth-accent);
    }

    .navbar-toggler-icon {
      display: block;
      width: 28px;
      height: 22px;
      position: relative;
      background: none;
    }

    .navbar-toggler-icon > span {
      position: absolute;
      left: 0;
      right: 0;
      top: 10px;
      height: 2px;
      border-radius: 2px;
      background: var(--hth-deep);
      display: block;
    }

    .navbar-toggler-icon > span::before,
    .navbar-toggler-icon > span::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--hth-deep);
      border-radius: 2px;
    }

    .navbar-toggler-icon > span::before {
      top: -7px;
    }

    .navbar-toggler-icon > span::after {
      top: 7px;
    }

    .category-hero {
      padding: 48px 0 0;
      background: var(--hth-bg);
      overflow: hidden;
    }

    .hero-panel {
      background: #fff;
      border-radius: 36px;
      overflow: hidden;
      box-shadow: var(--hth-shadow);
      border: 1px solid var(--hth-line);
      min-height: 520px;
    }

    .hero-main-col {
      background: linear-gradient(145deg, #FFFFFF 0%, #FBF7F1 100%);
      padding: 56px 56px 50px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .crumb-line {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: var(--hth-muted);
      margin-bottom: 14px;
    }

    .crumb-line a {
      color: var(--hth-muted);
    }

    .crumb-line a:hover {
      color: var(--hth-primary);
    }

    .crumb-line i {
      font-size: 11px;
      color: #b9b4ad;
    }

    .crumb-line .current {
      color: var(--hth-text);
      font-weight: 700;
    }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: var(--hth-primary-soft);
      color: var(--hth-primary-dark);
      border-radius: 10px;
      padding: 5px 12px;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
      width: fit-content;
      margin-bottom: 18px;
    }

    .hero-main-col h1 {
      font-size: 42px;
      line-height: 1.22;
      margin-bottom: 18px;
      max-width: 700px;
      letter-spacing: -0.02em;
    }

    .hero-main-col h1 .brand-omit {
      display: block;
    }

    .hero-lead {
      font-size: 16px;
      line-height: 1.9;
      color: var(--hth-muted);
      max-width: 660px;
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 32px;
    }

    .hero-feature-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      padding: 0;
      margin: 0;
      border-top: 1px solid var(--hth-line);
      padding-top: 20px;
    }

    .hero-feature-list li {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--hth-muted);
      font-size: 13px;
    }

    .hero-feature-list i {
      color: var(--hth-primary);
    }

    .hero-visual-col {
      position: relative;
      min-height: 520px;
      overflow: hidden;
      background: var(--hth-deep);
    }

    .hero-pic {
      width: 100%;
      height: 100%;
      object-fit: cover;
      position: absolute;
      inset: 0;
      opacity: .82;
    }

    .hero-visual-col::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(23,29,27,0) 30%, rgba(23,29,27,.82) 100%);
      z-index: 1;
    }

    .hero-visual-panel {
      position: absolute;
      z-index: 2;
      left: 24px;
      right: 24px;
      bottom: 24px;
      color: #fff;
    }

    .visual-card {
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 24px;
      padding: 20px;
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }

    .visual-card .label {
      font-size: 13px;
      letter-spacing: .1em;
      color: rgba(255,255,255,.72);
      display: block;
      margin-bottom: 4px;
    }

    .visual-card strong {
      display: block;
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .visual-card span {
      display: block;
      font-size: 13px;
      color: rgba(255,255,255,.8);
    }

    .visual-card .visual-badge {
      display: inline-flex;
      background: var(--hth-grad);
      border-radius: 999px;
      padding: 3px 12px;
      font-weight: 700;
      font-size: 12px;
      margin-top: 12px;
    }

    .stats-band {
      background: var(--hth-bg);
      padding: 40px 0 76px;
    }

    .stats-panel {
      background: #fff;
      border: 1px solid var(--hth-line);
      border-radius: 28px;
      box-shadow: var(--hth-shadow-sm);
      padding: 28px 22px;
    }

    .stat-item {
      text-align: center;
      padding: 12px 10px;
      position: relative;
    }

    .stat-item:not(:last-child)::after {
      content: "";
      position: absolute;
      right: 0;
      top: 24%;
      bottom: 24%;
      width: 1px;
      background: var(--hth-line);
    }

    .stat-num {
      font-family: var(--hth-mono);
      font-size: 45px;
      font-weight: 800;
      letter-spacing: -0.05em;
      line-height: 1;
      background: linear-gradient(135deg, #D63E0E, #F7A600);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .stat-num small {
      font-size: 18px;
      margin-left: 3px;
      -webkit-text-fill-color: var(--hth-primary);
      color: var(--hth-primary);
    }

    .stat-label {
      display: block;
      font-weight: 800;
      color: var(--hth-text);
      margin-top: 9px;
      font-size: 15px;
    }

    .stat-desc {
      display: block;
      color: var(--hth-muted);
      font-size: 12px;
      margin-top: 2px;
    }

    .section-album {
      padding-top: 4rem;
    }

    .section-header {
      margin-bottom: 48px;
      max-width: 860px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 900;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--hth-primary-dark);
      background: var(--hth-primary-soft);
      border-radius: 999px;
      padding: 5px 14px;
      margin-bottom: 16px;
      text-transform: none;
    }

    .section-header h2 {
      font-size: 34px;
      margin-bottom: 12px;
    }

    .section-header .section-desc {
      color: var(--hth-muted);
      font-size: 15px;
      max-width: 720px;
    }

    .album-block + .album-block {
      margin-top: 32px;
    }

    .venue-card {
      position: relative;
      height: calc(100% - 16px);
      border-radius: 28px;
      border: 1px solid var(--hth-line);
      background: #fff;
      padding: 28px 30px 30px;
      overflow: hidden;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
      display: flex;
      flex-direction: column;
      margin-bottom: 16px;
    }

    .venue-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--hth-shadow);
      border-color: rgba(244,84,30,.4);
    }

    .venue-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 28px;
      bottom: 28px;
      width: 5px;
      border-radius: 0 8px 8px 0;
      background: var(--hth-primary);
      opacity: 0;
      transition: opacity .25s ease;
    }

    .venue-card:hover::before {
      opacity: 1;
    }

    .venue-card .card-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
    }

    .venue-card .card-head .card-index {
      font-family: var(--hth-mono);
      font-size: 14px;
      letter-spacing: .04em;
      color: var(--hth-muted);
      background: var(--hth-bg);
      border-radius: 12px;
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
    }

    .venue-card .card-icon {
      width: 50px;
      height: 50px;
      background: var(--hth-primary-soft);
      color: var(--hth-primary-dark);
      border-radius: 16px;
      display: grid;
      place-items: center;
      font-size: 24px;
    }

    .venue-card h3 {
      font-size: 22px;
      margin-bottom: 10px;
      letter-spacing: -0.01em;
    }

    .venue-card .card-desc {
      color: var(--hth-muted);
      font-size: 14px;
      line-height: 1.85;
      margin-bottom: 18px;
    }

    .venue-card .entry-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 22px;
    }

    .venue-card .entry-tags span {
      display: inline-flex;
      background: var(--hth-primary-soft);
      color: var(--hth-primary-dark);
      border-radius: 9px;
      padding: 4px 10px;
      font-size: 12px;
      font-weight: 700;
    }

    .venue-card .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--hth-text);
      font-size: 14px;
      font-weight: 800;
      border-top: 1px solid var(--hth-line);
      padding-top: 18px;
      margin-top: auto;
    }

    .venue-card .card-link i {
      transition: transform .2s ease;
    }

    .venue-card:hover .card-link i {
      transform: translateX(4px);
    }

    .venue-card.tone-deep,
    .venue-card.tone-orange {
      color: #fff;
      border-color: transparent;
    }

    .venue-card.tone-deep {
      background: var(--hth-grad-dark);
      box-shadow: var(--hth-dark-shadow);
    }

    .venue-card.tone-orange {
      background-image: linear-gradient(135deg, #F4541E 0%, #E94F17 60%, #F7A600 100%);
      box-shadow: 0 22px 38px -16px rgba(244,84,30,.5);
    }

    .venue-card.tone-deep .card-desc,
    .venue-card.tone-orange .card-desc {
      color: rgba(255,255,255,.78);
    }

    .venue-card.tone-deep .card-head .card-index,
    .venue-card.tone-orange .card-head .card-index {
      background: rgba(255,255,255,.12);
      color: #fff;
    }

    .venue-card.tone-deep .card-head .card-icon,
    .venue-card.tone-orange .card-head .card-icon {
      background: rgba(255,255,255,.14);
      color: #fff;
    }

    .venue-card.tone-deep .entry-tags span,
    .venue-card.tone-orange .entry-tags span {
      background: rgba(255,255,255,.18);
      color: #fff;
    }

    .venue-card.tone-deep .card-link,
    .venue-card.tone-orange .card-link {
      color: #fff;
      border-color: rgba(255,255,255,.2);
    }

    .venue-card.tone-deep:hover,
    .venue-card.tone-orange:hover {
      border-color: rgba(255,255,255,.15);
    }

    .reserve-tip {
      background: linear-gradient(100deg, #FFF4EA 0%, #FFE9DA 60%, #FFF8F0 100%);
      border: 1px solid #F2D2BA;
      border-radius: 24px;
      padding: 22px 24px;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 18px;
      margin: 8px 0 24px;
    }

    .reserve-tip .tip-flag {
      flex: 0 0 54px;
      height: 54px;
      background-image: var(--hth-grad);
      border-radius: 17px;
      color: #fff;
      font-weight: 900;
      display: grid;
      place-items: center;
      font-size: 16px;
      text-transform: uppercase;
      letter-spacing: -0.03em;
    }

    .reserve-tip .tip-content {
      flex: 1 1 320px;
    }

    .reserve-tip .tip-content strong {
      color: var(--hth-text);
      font-size: 15px;
      display: block;
      margin-bottom: 2px;
    }

    .reserve-tip .tip-content p {
      margin: 0;
      color: var(--hth-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .tip-indexes {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 12px;
    }

    .tip-indexes span {
      font-size: 12px;
      color: #6B5347;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(244,84,30,.16);
      border-radius: 999px;
      padding: 4px 12px;
      font-weight: 700;
    }

    .booking-flow {
      background: var(--hth-bg);
      padding: 96px 0;
    }

    .flow-head {
      margin-bottom: 52px;
    }

    .flow-head h2 {
      margin-bottom: 10px;
    }

    .flow-head .section-desc {
      color: var(--hth-muted);
      max-width: 660px;
    }

    .flow-card {
      background: #fff;
      border: 1px solid var(--hth-line);
      border-radius: 26px;
      padding: 26px;
      position: relative;
      height: 100%;
      min-height: 238px;
      transition: transform .22s ease, box-shadow .22s ease;
    }

    .flow-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--hth-shadow);
    }

    .flow-card .flow-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      background: var(--hth-primary-soft);
      color: var(--hth-primary-dark);
      font-family: var(--hth-mono);
      border-radius: 14px;
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 22px;
    }

    .flow-card h3 {
      font-size: 19px;
      margin-bottom: 8px;
    }

    .flow-card p {
      font-size: 14px;
      color: var(--hth-muted);
      line-height: 1.8;
      margin-bottom: 0;
    }

    .flow-card::after {
      content: "";
      position: absolute;
      right: 22px;
      top: 22px;
      width: 18px;
      height: 6px;
      border-radius: 99px;
      background: var(--hth-grad);
      opacity: 0;
      transition: opacity .2s ease;
    }

    .flow-card:hover::after {
      opacity: .7;
    }

    .shortcut-zone {
      padding: 60px 0 100px;
    }

    .shortcut-list {
      border-top: 1px solid var(--hth-line);
    }

    .shortcut-item {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      border-bottom: 1px solid var(--hth-line);
      padding: 20px 4px;
      transition: background-color .2s ease;
      color: var(--hth-text);
    }

    .shortcut-item:hover {
      background: rgba(244,84,30,.03);
      color: var(--hth-text);
    }

    .shortcut-item .shortcut-idx {
      width: 54px;
      font-family: var(--hth-mono);
      font-weight: 800;
      color: var(--hth-primary);
    }

    .shortcut-item .shortcut-main {
      flex: 1 1 260px;
      font-weight: 800;
      font-size: 17px;
    }

    .shortcut-item .shortcut-sub {
      margin-left: auto;
      margin-right: 18px;
      color: var(--hth-muted);
      font-size: 14px;
    }

    .shortcut-item .shortcut-arrow {
      font-size: 18px;
      color: var(--hth-primary);
    }

    .faq-wrap {
      background: #fff;
      border-radius: 36px;
      border: 1px solid var(--hth-line);
      padding: 54px;
      box-shadow: var(--hth-shadow-sm);
    }

    .faq-intro .section-kicker {
      margin-bottom: 14px;
    }

    .faq-intro h2 {
      font-size: 30px;
      margin-bottom: 14px;
    }

    .faq-intro p {
      color: var(--hth-muted);
      font-size: 15px;
      margin-bottom: 18px;
      max-width: 340px;
    }

    .custom-accordion .accordion-item {
      border: 1px solid var(--hth-line);
      border-radius: 20px !important;
      overflow: hidden;
      background: var(--hth-bg);
      margin-bottom: 14px;
    }

    .custom-accordion .accordion-item:last-child {
      margin-bottom: 0;
    }

    .custom-accordion .accordion-header {
      background: transparent;
    }

    .custom-accordion .accordion-button {
      background: transparent;
      border: 0;
      box-shadow: none;
      font-size: 16px;
      font-weight: 800;
      color: var(--hth-text);
      padding: 20px 22px 18px 22px;
      display: flex;
      align-items: center;
      border-radius: 20px;
    }

    .custom-accordion .accordion-button::before {
      content: "hth";
      margin-right: 13px;
      flex: 0 0 40px;
      width: 40px;
      height: 40px;
      background: var(--hth-primary-soft);
      border-radius: 12px;
      color: var(--hth-primary-dark);
      display: grid;
      place-items: center;
      font-size: 12px;
      font-weight: 900;
      text-transform: uppercase;
    }

    .custom-accordion .accordion-button:not(.collapsed) {
      background: #fff;
      color: var(--hth-primary-dark);
    }

    .custom-accordion .accordion-button:focus {
      box-shadow: 0 0 0 2px rgba(244,84,30,.2);
    }

    .custom-accordion .accordion-button::after {
      opacity: .65;
    }

    .custom-accordion .accordion-body {
      padding: 0 22px 22px 75px;
      color: var(--hth-muted);
      font-size: 15px;
      background: #fff;
    }

    .cta-section {
      padding: 110px 0;
    }

    .cta-panel {
      position: relative;
      background:
        linear-gradient(120deg, rgba(23,29,27,.92) 0%, rgba(23,29,27,.68) 55%, rgba(244,84,30,.3) 100%),
        url('/assets/images/backpic/back-1.png') center/cover;
      border-radius: 40px;
      padding: 70px 50px;
      overflow: hidden;
      color: #fff;
    }

    .cta-panel h2 {
      font-size: 34px;
      margin-bottom: 14px;
    }

    .cta-panel p {
      font-size: 15px;
      max-width: 690px;
      color: rgba(255,255,255,.8);
      margin-bottom: 30px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .site-footer {
      background: var(--hth-deep);
      color: rgba(255,255,255,.78);
      padding: 76px 0 0;
    }

    .site-footer .brand {
      margin-bottom: 18px;
    }

    .site-footer .brand-text {
      color: #fff;
    }

    .site-footer .brand-symbol {
      box-shadow: none;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 40px;
      padding-bottom: 42px;
    }

    .footer-brand .footer-desc {
      color: rgba(255,255,255,.58);
      font-size: 14px;
      max-width: 320px;
      margin: 0;
    }

    .footer-title {
      color: #fff;
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 18px;
      letter-spacing: .02em;
    }

    .footer-list li + li {
      margin-top: 8px;
    }

    .footer-list a {
      color: rgba(255,255,255,.62);
      font-size: 14px;
      transition: color .2s ease, padding-left .2s ease;
    }

    .footer-list a:hover {
      color: var(--hth-primary);
      padding-left: 3px;
    }

    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      color: rgba(255,255,255,.62);
    }

    .footer-contact span {
      display: inline-flex;
      gap: 8px;
      align-items: flex-start;
    }

    .footer-contact i {
      color: var(--hth-accent);
      margin-top: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.1);
      padding: 22px 0;
      color: rgba(255,255,255,.46);
      font-size: 13px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 6px 18px;
    }

    @media (max-width: 1199.98px) {
      .container {
        max-width: 100%;
      }

      .hero-main-col h1 {
        font-size: 36px;
      }

      .hero-main-col {
        padding: 44px 36px;
      }

      .hero-visual-col,
      .hero-panel {
        min-height: 460px;
      }

      .footer-grid {
        grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
      }
    }

    @media (max-width: 991.98px) {
      .section {
        padding: 72px 0;
      }

      .category-hero {
        padding: 28px 0 0;
      }

      .hero-main-col h1 {
        font-size: 34px;
      }

      .hero-main-col {
        min-height: auto;
      }

      .hero-visual-col {
        min-height: 260px;
      }

      .site-header {
        padding-top: 8px;
      }

      .main-navbar {
        background: #fff;
        border-radius: 20px;
        margin-top: 12px;
        padding: 16px 16px;
        box-shadow: var(--hth-shadow);
        border: 1px solid var(--hth-line);
        align-items: stretch;
      }

      .nav-links {
        gap: 2px;
        margin: 0 0 12px 0;
        width: 100%;
      }

      .nav-links .nav-link {
        border-radius: 12px;
        padding: 11px 13px;
        font-size: 15px;
      }

      .nav-links .nav-link::after {
        left: 13px;
        right: 13px;
        bottom: auto;
        top: 50%;
        width: 3px;
        height: 20px;
        transform: translate(0, -50%);
      }

      .nav-links .nav-link.active::after {
        height: 20px;
      }

      .nav-util {
        margin-left: 0;
        padding-top: 12px;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        border-top: 1px solid var(--hth-line);
      }

      .nav-util .btn-nav-cta {
        justify-content: center;
        margin-top: 8px;
      }

      .stats-panel {
        padding: 18px;
      }

      .stat-num {
        font-size: 34px;
      }

      .stat-item:not(:last-child)::after {
        display: none;
      }

      .faq-wrap {
        padding: 26px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 767.98px) {
      .section {
        padding: 58px 0;
      }

      .section-header h2,
      .cta-panel h2 {
        font-size: 28px;
      }

      .hero-panel {
        border-radius: 24px;
      }

      .hero-main-col {
        padding: 34px 22px;
      }

      .hero-main-col h1 {
        font-size: 30px;
        line-height: 1.3;
      }

      .hero-lead {
        font-size: 15px;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .hero-visual-col {
        min-height: 220px;
      }

      .visual-card {
        padding: 16px;
      }

      .stats-band {
        padding-bottom: 54px;
      }

      .stats-panel {
        margin: 0 -4px;
      }

      .stat-item {
        padding: 16px 6px;
      }

      .stat-num {
        font-size: 38px;
      }

      .venue-card {
        padding: 22px;
      }

      .album-block + .album-block {
        margin-top: 12px;
      }

      .booking-flow {
        padding: 58px 0;
      }

      .flow-card {
        min-height: 0;
      }

      .shortcut-zone {
        padding: 40px 0 70px;
      }

      .shortcut-item {
        padding: 16px 2px;
      }

      .shortcut-item .shortcut-sub {
        flex-basis: 100%;
        margin: 4px 0 0 50px;
        font-size: 13px;
      }

      .cta-section {
        padding: 70px 0;
      }

      .cta-panel {
        border-radius: 26px;
        padding: 36px 22px;
      }

      .cta-panel h2 {
        font-size: 27px;
      }

      .cta-actions .btn {
        width: 100%;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 34px;
        padding-bottom: 20px;
      }

      .site-footer {
        padding-top: 52px;
      }

      .footer-bottom {
        justify-content: flex-start;
        flex-direction: column;
      }

      .faq-wrap {
        padding: 20px 14px;
      }

      .custom-accordion .accordion-button {
        font-size: 15px;
        padding: 18px 14px 16px 16px;
        white-space: normal;
        align-items: flex-start;
      }

      .custom-accordion .accordion-button::before {
        flex: 0 0 34px;
        width: 34px;
        height: 34px;
        font-size: 11px;
      }

      .custom-accordion .accordion-button::after {
        flex-shrink: 0;
        margin-left: 6px;
      }

      .custom-accordion .accordion-body {
        padding: 0 18px 18px 24px;
        font-size: 14px;
      }
    }

    @media (max-width: 575.98px) {
      .brand-text {
        font-size: 17px;
      }

      .brand-symbol {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        font-size: 14px;
      }

      .hero-main-col h1 {
        font-size: 27px;
      }

      .section-kicker {
        font-size: 11px;
      }

      .section-header h2,
      .faq-intro h2 {
        font-size: 25px;
      }

      .venue-card h3 {
        font-size: 20px;
      }

      .reserve-tip {
        padding: 18px;
      }

      .reserve-tip .tip-flag {
        flex-basis: 44px;
        height: 44px;
        border-radius: 14px;
      }

      .tip-indexes span {
        font-size: 11px;
        padding: 4px 9px;
      }

      .stat-num {
        font-size: 34px;
      }

      .faq-intro p {
        max-width: none;
      }
    }