/* roulang page: index */
:root{
  --bg:#0F0D0B;
  --bg-2:#17130F;
  --card:#1C1814;
  --elev:#221C17;
  --primary:#F0562D;
  --primary-dark:#C43F1C;
  --primary-light:#FF7A52;
  --accent:#5FB0AE;
  --accent-soft:#8FA6AC;
  --gold:#E7B45A;
  --text:#F3EEE7;
  --text-2:#B4AAA0;
  --text-3:#7E756C;
  --line:rgba(243,238,231,.10);
  --line-ho:rgba(240,86,45,.55);
  --paper:#F7F3EC;
  --paper-ink:#221C17;

  --r-pill:999px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-bd:8px;

  --sh-card:0 18px 40px -20px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-ho:0 24px 52px -22px rgba(0,0,0,.92), inset 0 1px 0 rgba(240,86,45,.35);

  --con:1240px;
  --sec:96px;

  --bs-body-bg:#0F0D0B;
  --bs-body-color:#F3EEE7;
  --bs-border-radius:16px;
  --bs-primary:#F0562D;
  --bs-link-color:#FF7A52;
  --bs-link-hover-color:#F0562D;
  --bs-font-sans-serif:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background-color:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:1rem;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.02em;line-height:1.2;font-weight:800;color:var(--text);}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--primary-light);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(240,86,45,.25);}

/* ===== 容器与板块 ===== */
.container-x{width:100%;max-width:var(--con);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:56px 0;}
.sec-head{max-width:780px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.35rem);margin-bottom:14px;}
.sec-head p{color:var(--text-2);font-size:1rem;max-width:62ch;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:16px;
  border-radius:var(--r-bd);
  border:1px solid rgba(95,176,174,.35);
  background:rgba(95,176,174,.10);
  color:var(--accent);
  font-size:.75rem;font-weight:700;letter-spacing:.08em;
}

/* ===== 按钮 ===== */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#fff;
  font-size:.9375rem;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-main:hover{background:var(--primary-light);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px -16px rgba(240,86,45,.9);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  background:transparent;
  border:1px solid var(--line);
  color:var(--text);
  font-size:.9375rem;font-weight:600;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
  white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--line-ho);color:var(--primary-light);background:rgba(240,86,45,.06);transform:translateY(-1px);}
.btn-lg{padding:15px 32px;font-size:1rem;}
.btn-sm{padding:9px 20px;font-size:.875rem;}

/* ===== 悬浮胶囊导航 ===== */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1030;
  display:flex;justify-content:center;
  padding:0 16px;
  transition:top .25s ease;
}
.nav-shell{
  width:min(1200px,92vw);
  height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(15,13,11,.55);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:height .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled .nav-shell{
  height:56px;
  background:rgba(15,13,11,.82);
  border-color:rgba(243,238,231,.14);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:.875rem;font-weight:800;
  box-shadow:0 8px 18px -10px rgba(240,86,45,.9);
}
.brand-text{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-links a{
  position:relative;display:block;
  padding:8px 14px;
  border-radius:var(--r-pill);
  color:var(--text-2);
  font-size:.9375rem;font-weight:600;
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(28,24,20,.7);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--text-3);font-size:.8125rem;}
.nav-search input{
  width:118px;border:0;background:transparent;color:var(--text);
  font-size:.875rem;outline:none;padding:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--line-ho);box-shadow:0 0 0 4px rgba(240,86,45,.16);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;color:var(--text);
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-ho);color:var(--primary-light);}

/* 移动端浮层导航 */
.mobile-panel{
  position:fixed;inset:0;z-index:1040;
  display:flex;flex-direction:column;gap:4px;
  padding:24px;
  background:rgba(15,13,11,.97);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.mobile-panel.open{opacity:1;visibility:visible;transform:none;}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.mobile-panel-head .nav-toggle{display:flex;}
.m-link{
  display:block;
  padding:0 6px;
  line-height:56px;
  font-size:1.0625rem;font-weight:600;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.m-link:hover,.m-link.active{color:var(--primary-light);}
.m-cta{margin-top:24px;width:100%;}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:min(82vh,880px);
  display:flex;align-items:center;
  padding:140px 0 110px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(15,13,11,.94) 0%,rgba(15,13,11,.82) 34%,rgba(15,13,11,.34) 68%,rgba(15,13,11,.46) 100%),
    linear-gradient(180deg,rgba(15,13,11,.62) 0%,rgba(15,13,11,0) 34%,rgba(15,13,11,.96) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-content{max-width:660px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;margin-bottom:22px;
  border-radius:var(--r-pill);
  border:1px solid rgba(95,176,174,.42);
  background:rgba(95,176,174,.12);
  color:var(--accent);
  font-size:.8125rem;font-weight:600;letter-spacing:.06em;
}
.hero h1{
  font-size:clamp(2.1rem,5vw,3.75rem);
  line-height:1.15;
  margin-bottom:20px;
}
.hero-sub{
  color:var(--text-2);
  font-size:clamp(1rem,1.4vw,1.125rem);
  max-width:34ch;
  margin-bottom:36px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-dots{
  position:absolute;right:36px;bottom:48px;z-index:3;
  display:flex;gap:8px;
}
.hero-dots span{
  display:block;width:26px;height:3px;border-radius:3px;
  background:rgba(243,238,231,.26);
}
.hero-dots span.on{background:var(--primary);}
.hero-scroll{
  position:absolute;left:50%;bottom:32px;z-index:3;
  width:1px;height:56px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(243,238,231,.05),rgba(243,238,231,.28));
  overflow:hidden;
}
.hero-scroll span{
  position:absolute;left:0;top:-56px;width:1px;height:56px;
  background:linear-gradient(180deg,transparent,var(--primary));
  animation:scrollLine 2.6s ease-in-out infinite;
}
@keyframes scrollLine{0%{top:-56px;}60%{top:56px;}100%{top:56px;}}

/* ===== 横滑轨道 ===== */
.rail-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:28px;flex-wrap:wrap;
}
.rail-head h3{font-size:1.25rem;font-weight:700;}
.rail-head .eyebrow{margin-bottom:12px;}
.rail-right{display:flex;align-items:center;gap:18px;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9375rem;font-weight:600;color:var(--accent);
}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}
.rail-nav{display:flex;gap:10px;}
.rail-arrow{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;color:var(--text-2);
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.rail-arrow:hover{border-color:var(--line-ho);color:var(--primary-light);background:rgba(240,86,45,.07);}
.rail-arrow:disabled{opacity:.4;cursor:not-allowed;}
.rail-arrow:disabled:hover{border-color:var(--line);color:var(--text-2);background:transparent;}
.rail{
  display:flex;gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  padding:4px 4px 20px;
  margin:0 -4px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-item{flex:0 0 auto;width:238px;scroll-snap-align:start;}

/* ===== 通用海报卡 ===== */
.p-card{
  display:block;height:100%;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  color:inherit;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.p-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-ho);
  border-color:rgba(240,86,45,.35);
  color:inherit;
}
.p-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--elev);}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.p-card:hover .p-media img{transform:scale(1.04);}
.p-tag{
  position:absolute;top:10px;left:10px;
  padding:4px 10px;border-radius:var(--r-bd);
  font-size:.75rem;font-weight:600;
  color:var(--accent);
  background:rgba(15,13,11,.72);
  border:1px solid rgba(95,176,174,.42);
  backdrop-filter:blur(6px);
}
.p-body{padding:16px 18px 20px;}
.p-body h4{font-size:1rem;font-weight:700;margin-bottom:8px;line-height:1.4;transition:color .2s ease;}
.p-card:hover .p-body h4{color:var(--primary-light);}
.p-body p{font-size:.875rem;color:var(--text-3);line-height:1.6;}

/* ===== 一大三小 ===== */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.feature-main{
  position:relative;
  min-height:420px;
  display:flex;align-items:flex-end;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--elev);
  overflow:hidden;
  color:inherit;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--sh-ho);border-color:rgba(240,86,45,.35);color:inherit;}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feature-main:hover img{transform:scale(1.04);}
.feature-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,13,11,.10) 0%,rgba(15,13,11,.60) 52%,rgba(15,13,11,.96) 100%);
}
.feature-main-body{position:relative;z-index:2;padding:30px;}
.feature-badge{
  display:inline-block;padding:4px 12px;margin-bottom:14px;
  border-radius:var(--r-bd);
  background:rgba(240,86,45,.16);
  border:1px solid rgba(240,86,45,.45);
  color:var(--primary-light);
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
}
.feature-main-body h3{font-size:1.5rem;margin-bottom:12px;}
.feature-main-body p{color:var(--text-2);font-size:.9375rem;max-width:56ch;}
.feature-side{display:flex;flex-direction:column;justify-content:space-between;}
.feature-row{
  display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;
  padding:18px 0;
  border-top:1px solid var(--line);
  color:inherit;
  transition:transform .2s ease;
}
.feature-row:first-child{border-top:0;padding-top:0;}
.feature-row:last-child{padding-bottom:0;}
.feature-row:hover{transform:translateX(4px);color:inherit;}
.feature-row img{width:96px;height:64px;object-fit:cover;border-radius:var(--r-sm);}
.fr-step{display:block;font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--gold);margin-bottom:6px;}
.feature-row h4{font-size:1rem;font-weight:700;margin-bottom:6px;transition:color .2s ease;}
.feature-row:hover h4{color:var(--primary-light);}
.feature-row p{font-size:.875rem;color:var(--text-3);line-height:1.6;}

/* ===== 分段错落网格 ===== */
.seg{
  display:inline-flex;gap:6px;padding:6px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(28,24,20,.72);
  margin-bottom:34px;
  flex-wrap:wrap;
}
.seg button{
  padding:9px 22px;
  border:0;border-radius:var(--r-pill);
  background:transparent;
  color:var(--text-2);
  font-size:.9375rem;font-weight:600;
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.seg button:hover:not(.active){color:var(--text);background:rgba(243,238,231,.05);}
.seg button.active{background:var(--primary);color:#fff;}
.seg-panel{display:none;}
.seg-panel.active{display:block;animation:fadeUp .22s ease-out;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.m-card{
  grid-column:span 2;
  padding:26px 24px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--sh-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.m-card:hover{transform:translateY(-4px);border-color:rgba(240,86,45,.35);box-shadow:var(--sh-ho);}
.m-card.span3{grid-column:span 3;}
.m-card.span4{grid-column:span 4;}
.m-card.span2{grid-column:span 2;}
.m-num{
  display:block;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.8125rem;font-weight:700;letter-spacing:.08em;
  color:var(--gold);margin-bottom:14px;
}
.m-card h4{font-size:1.0625rem;font-weight:700;margin-bottom:10px;}
.m-card p{color:var(--text-2);font-size:.9375rem;line-height:1.7;}

/* ===== 最新信息 ===== */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.news-card{
  position:relative;
  display:block;
  padding:24px 26px 24px 30px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--sh-card);
  color:inherit;
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card::before{
  content:"";position:absolute;left:0;top:26px;
  width:3px;height:22px;border-radius:0 3px 3px 0;
  background:var(--primary);
  transition:height .25s ease;
}
.news-card:hover{
  transform:translateX(2px);
  border-color:rgba(240,86,45,.35);
  box-shadow:var(--sh-ho);
  color:inherit;
}
.news-card:hover::before{height:36px;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap;}
.news-cat{
  display:inline-block;padding:3px 10px;
  border-radius:var(--r-bd);
  border:1px solid rgba(95,176,174,.4);
  background:rgba(95,176,174,.10);
  color:var(--accent);
  font-size:.75rem;font-weight:600;
}
.news-meta time{font-size:.8125rem;color:var(--text-3);}
.news-card h3{
  font-size:1.0625rem;font-weight:700;line-height:1.5;
  margin-bottom:10px;
  transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover h3{color:var(--primary-light);}
.news-card p{
  color:var(--text-2);font-size:.9375rem;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:14px;
}
.news-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.875rem;font-weight:600;color:var(--accent);
}
.news-more i{transition:transform .2s ease;}
.news-card:hover .news-more i{transform:translateX(4px);}
.news-empty{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:64px 24px;
  border-radius:var(--r-md);
  border:1px dashed var(--line);
  background:rgba(28,24,20,.6);
  text-align:center;
}
.news-empty i{font-size:1.75rem;color:var(--text-3);}
.news-empty p{color:var(--text-2);}

/* ===== 数据条 ===== */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{padding:34px 26px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat b{
  display:block;
  font-size:clamp(1.6rem,3vw,2.35rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.1;
  color:var(--primary-light);
}
.stat span{display:block;margin-top:10px;color:var(--text-2);font-size:.9375rem;}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:18px;
  min-height:56px;
  padding:22px 0;
  background:none;border:0;
  color:var(--text);
  text-align:left;
  font-size:1.0625rem;font-weight:700;
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary-light);}
.faq-idx{
  flex-shrink:0;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.875rem;font-weight:600;
  color:var(--accent);
}
.faq-ico{
  margin-left:auto;flex-shrink:0;
  width:28px;height:28px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:.8125rem;
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.faq-q[aria-expanded="true"]{color:var(--primary-light);}
.faq-q[aria-expanded="true"] .faq-ico{
  transform:rotate(45deg);
  color:var(--primary);
  border-color:rgba(240,86,45,.5);
}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  max-width:72ch;
  padding:0 0 24px 36px;
  color:var(--text-2);
  line-height:1.8;
  font-size:.9375rem;
}

/* ===== 转化条 ===== */
.cta-band{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:52px 56px;
  border-radius:24px;
  border:1px solid rgba(240,86,45,.32);
  background:
    radial-gradient(120% 170% at 88% 0%,rgba(240,86,45,.30) 0%,rgba(240,86,45,0) 58%),
    radial-gradient(90% 140% at 6% 100%,rgba(95,176,174,.14) 0%,rgba(95,176,174,0) 60%),
    var(--elev);
  overflow:hidden;
}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:.9375rem;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:96px;
  padding:72px 0 0;
  border-top:1px solid var(--line);
  background:var(--bg-2);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:var(--text);}
.foot-desc{color:var(--text-3);font-size:.875rem;line-height:1.8;max-width:34ch;margin-bottom:20px;}
.foot-social{display:flex;gap:10px;}
.foot-social a{
  width:38px;height:38px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.foot-social a:hover{border-color:var(--line-ho);color:var(--primary-light);background:rgba(240,86,45,.08);}
.foot-title{font-size:.9375rem;font-weight:700;color:var(--text);margin-bottom:18px;}
.foot-list li{margin-bottom:12px;}
.foot-list a{color:var(--text-3);font-size:.875rem;}
.foot-list a:hover{color:var(--primary-light);}
.foot-contact li{
  display:flex;align-items:flex-start;gap:10px;
  margin-bottom:14px;
  color:var(--text-3);font-size:.875rem;
  min-width:0;
}
.foot-contact i{color:var(--accent);margin-top:5px;flex-shrink:0;font-size:.8125rem;}
.foot-contact span{min-width:0;overflow-wrap:anywhere;}
.foot-bar{
  margin-top:56px;
  padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:.8125rem;
}
.foot-bar-links{display:flex;gap:18px;flex-wrap:wrap;}
.foot-bar-links a{color:var(--text-3);}
.foot-bar-links a:hover{color:var(--primary-light);}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.in{opacity:1;transform:none;}

/* ===== 响应式 ===== */
@media (max-width:1399px){
  :root{--con:1160px;}
}
@media (max-width:1199px){
  :root{--sec:84px;}
  .mosaic{grid-template-columns:repeat(4,1fr);}
  .m-card.span3{grid-column:span 2;}
  .m-card.span4{grid-column:span 4;}
  .m-card.span2{grid-column:span 2;}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
}
@media (max-width:991px){
  :root{--sec:72px;--gut:16px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-shell{height:58px;padding:0 10px 0 16px;justify-content:space-between;}
  .nav-actions{margin-left:auto;}
  .hero{min-height:min(68vh,720px);padding:120px 0 96px;}
  .hero-dots{right:24px;bottom:36px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{min-height:340px;}
  .feature-side{gap:0;}
  .feature-row:first-child{border-top:1px solid var(--line);padding-top:18px;}
  .news-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{border-left:1px solid var(--line);}
  .stat:nth-child(odd){border-left:0;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 34px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .container-x{padding:0 16px;}
  .hero{min-height:64vh;padding:112px 0 84px;}
  .hero-cta{width:100%;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;}
  .hero-dots{display:none;}
  .hero-scroll{display:none;}
  .rail-item{width:78vw;}
  .rail-nav{display:none;}
  .mosaic{grid-template-columns:1fr;}
  .m-card,.m-card.span3,.m-card.span4,.m-card.span2{grid-column:span 1;}
  .feature-row{grid-template-columns:64px 1fr;gap:14px;}
  .feature-row img{width:64px;height:64px;border-radius:var(--r-sm);}
  .faq-a p{padding-left:0;}
  .faq-idx{display:none;}
  .cta-band{padding:36px 24px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .site-footer{padding:48px 0 0;margin-top:72px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-bar{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .hero h1{font-size:clamp(1.75rem,7vw,2.25rem);}
  .stats{grid-template-columns:1fr;}
  .stat{border-left:0;border-top:1px solid var(--line);padding:26px 0;}
  .stat:first-child{border-top:0;}
  .seg button{padding:8px 16px;font-size:.875rem;}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1 !important;transform:none !important;}
}

/* roulang page: article */
:root{
  --bg:#0F0D0B;
  --bg-2:#17130F;
  --card:#1C1814;
  --float:#221C17;
  --primary:#F0562D;
  --primary-d:#C43F1C;
  --primary-l:#FF7A52;
  --accent:#5FB0AE;
  --accent-l:#8FA6AC;
  --gold:#E7B45A;
  --text:#F3EEE7;
  --text-2:#B4AAA0;
  --text-3:#7E756C;
  --line:rgba(243,238,231,.10);
  --line-hover:rgba(240,86,45,.55);
  --paper:#F7F3EC;
  --paper-text:#221C17;
  --paper-sub:#5C534A;
  --paper-link:#C43F1C;
  --r-pill:999px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-badge:8px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-hover:0 26px 52px -22px rgba(0,0,0,.92), inset 0 1px 0 rgba(240,86,45,.35);
  --sp-section:96px;
  --font: "HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-bg:#0F0D0B;
  --bs-body-color:#F3EEE7;
  --bs-body-font-family:var(--font);
  --bs-primary:#F0562D;
  --bs-primary-rgb:240,86,45;
  --bs-link-color:#FF7A52;
  --bs-link-hover-color:#FFFFFF;
  --bs-border-radius:16px;
  --bs-border-color:rgba(243,238,231,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-l);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 4px rgba(240,86,45,.25);border-radius:6px;}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- Bootstrap 外观重塑 ---------- */
.btn{border-radius:var(--r-pill);font-weight:600;font-size:.9375rem;padding:.6rem 1.4rem;border:1px solid transparent;transition:all .2s ease;}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-l);border-color:var(--primary-l);color:#fff;transform:translateY(-1px);}
.btn-outline-light{border-color:var(--line);color:var(--text);background:transparent;}
.btn-outline-light:hover{background:rgba(243,238,231,.06);border-color:var(--line-hover);color:var(--text);}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card);color:var(--text);}
.badge{border-radius:var(--r-badge);font-weight:600;letter-spacing:.02em;}
.form-control{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-pill);color:var(--text);height:52px;padding:0 22px;}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{background:var(--bg-2);border-color:var(--primary);box-shadow:0 0 0 4px rgba(240,86,45,.25);color:var(--text);}
.accordion-item{background:transparent;border:none;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1030;
  display:flex;justify-content:center;pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:min(1200px,92vw);
  height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(15,13,11,.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  transition:height .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled .nav-shell{height:56px;background:rgba(15,13,11,.82);border-color:rgba(243,238,231,.14);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-d) 100%);
  color:#fff;font-weight:800;font-size:1rem;letter-spacing:0;
  box-shadow:0 8px 20px -10px rgba(240,86,45,.9);
}
.brand-text{font-weight:800;font-size:1rem;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left center;
  transition:transform .2s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--text);background:rgba(243,238,231,.05);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary-l);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(243,238,231,.05);border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease,width .2s ease;
}
.nav-search i{color:var(--text-3);font-size:.8125rem;}
.nav-search input{
  width:130px;border:none;background:transparent;color:var(--text);
  font-size:.875rem;outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--line-hover);background:rgba(240,86,45,.08);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;font-weight:600;font-size:.9375rem;
  border:1px solid var(--primary);cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--primary-l);border-color:var(--primary-l);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(240,86,45,.95);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:transparent;color:var(--text);font-weight:600;font-size:.9375rem;
  border:1px solid var(--line);cursor:pointer;transition:all .2s ease;
}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--primary-l);background:rgba(240,86,45,.06);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  background:rgba(243,238,231,.06);border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-hover);color:var(--primary-l);}
.mobile-panel{
  position:fixed;inset:0;z-index:1040;background:rgba(15,13,11,.97);
  backdrop-filter:blur(14px);padding:96px 24px 40px;display:none;
}
.mobile-panel.is-open{display:flex;flex-direction:column;gap:8px;}
.mp-links{display:flex;flex-direction:column;}
.mp-links a{
  display:flex;align-items:center;height:56px;font-size:1.0625rem;font-weight:600;
  color:var(--text-2);border-bottom:1px solid var(--line);
}
.mp-links a.active{color:var(--primary-l);}
.mp-cta{margin-top:24px;width:100%;height:52px;}

/* ---------- 页面主体 ---------- */
.page-main{padding-top:132px;}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--text-3);flex-wrap:wrap;
  padding-bottom:28px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary-l);}
.crumb-sep{color:var(--text-3);opacity:.6;}
.crumb-current{
  color:var(--text-2);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{padding-bottom:36px;border-bottom:1px solid var(--line);}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-badge);
  background:rgba(95,176,174,.12);border:1px solid rgba(95,176,174,.4);
  color:var(--accent);font-size:.8125rem;font-weight:600;letter-spacing:.04em;
}
.article-head h1{
  margin:18px 0 16px;
  font-size:clamp(1.75rem,3.4vw,2.75rem);
  color:var(--text);max-width:26ch;
}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.8125rem;color:var(--text-3);}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);}
.meta-row time{color:var(--text-3);}

/* ---------- 正文阅读区 ---------- */
.section-body{padding:56px 0 var(--sp-section);}
.article-card{
  background:var(--paper);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.article-body{
  max-width:760px;margin:0 auto;
  padding:56px;
  color:var(--paper-text);
  font-size:1.0625rem;line-height:1.9;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(1.35rem,2.2vw,1.75rem);font-weight:800;color:#1A1611;
  margin:2em 0 .8em;padding-left:14px;border-left:3px solid var(--primary-d);line-height:1.3;
}
.article-body h3{font-size:1.1875rem;font-weight:700;color:#1A1611;margin:1.6em 0 .6em;}
.article-body h4{font-size:1.0625rem;font-weight:700;color:#1A1611;margin:1.4em 0 .5em;}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--paper-link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.article-body a:hover{color:#8E2C12;}
.article-body strong{font-weight:700;color:#1A1611;}
.article-body blockquote{
  margin:1.6em 0;padding:.9em 1.4em;
  border-left:4px solid var(--primary);border-radius:0 12px 12px 0;
  background:rgba(196,63,28,.06);color:var(--paper-sub);font-style:italic;
}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--primary-d);}
.article-body ol li::marker{color:var(--primary-d);font-weight:700;}
.article-body img{border-radius:12px;margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{text-align:center;font-size:.8125rem;color:#7A7065;margin-top:.6em;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem;overflow:hidden;border-radius:12px;}
.article-body th{background:#221C17;color:#F3EEE7;text-align:left;padding:12px 14px;font-weight:700;}
.article-body td{padding:12px 14px;border-bottom:1px solid rgba(34,28,23,.12);}
.article-body tbody tr:nth-child(even){background:rgba(34,28,23,.04);}
.article-body pre{
  background:#221C17;color:#F3EEE7;padding:18px;border-radius:12px;
  overflow-x:auto;font-size:.875rem;line-height:1.7;margin:1.6em 0;
}
.article-body code{font-family:ui-monospace,Menlo,Consolas,monospace;}
.article-body :not(pre) > code{background:rgba(196,63,28,.1);color:var(--paper-link);padding:2px 6px;border-radius:6px;font-size:.9em;}
.article-body hr{border:none;border-top:1px solid rgba(34,28,23,.14);margin:2em 0;}
.article-body.is-empty{text-align:center;padding:72px 56px;}
.article-body.is-empty .empty-title{font-size:1.5rem;font-weight:800;color:#1A1611;margin-bottom:.6em;}
.article-body.is-empty p{color:var(--paper-sub);margin-bottom:1.6em;}

/* ---------- 标签 ---------- */
.tag-block{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:28px;}
.tag-block .tag-label{font-size:.8125rem;color:var(--text-3);letter-spacing:.06em;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:.8125rem;color:var(--text-2);transition:all .2s ease;
}
.tag:hover{border-color:var(--line-hover);color:var(--primary-l);background:rgba(240,86,45,.07);}

/* ---------- 相关推荐 ---------- */
.related{padding-top:56px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.sec-head .sec-kicker{
  display:block;font-size:.75rem;font-weight:700;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:8px;
}
.sec-head h2{font-size:clamp(1.4rem,2.4vw,1.9rem);}
.sec-head p{font-size:.875rem;color:var(--text-3);margin-top:8px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,86,45,.35);}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;}
.rel-body h3{font-size:1rem;font-weight:700;line-height:1.45;color:var(--text);}
.rel-card:hover .rel-body h3{color:var(--primary-l);}
.rel-body p{font-size:.875rem;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{font-size:.8125rem;color:var(--text-3);display:flex;align-items:center;gap:8px;}

/* ---------- 返回入口 ---------- */
.back-row{display:flex;gap:14px;margin-top:40px;}
.back-row .btn-main,.back-row .btn-ghost{height:48px;padding:0 26px;}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-card);margin-bottom:20px;
}
.side-sticky{position:sticky;top:104px;}
.side-title{
  font-size:.75rem;font-weight:700;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;margin-bottom:14px;
}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;font-size:.9375rem;color:var(--text-2);
}
.side-list a:hover{color:var(--primary-l);}
.side-list a i{font-size:.75rem;color:var(--text-3);}
.side-list a:hover i{color:var(--primary-l);}
.hot-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);}
.hot-item:last-child{border-bottom:none;padding-bottom:0;}
.hot-item img{width:72px;height:52px;border-radius:10px;object-fit:cover;flex:0 0 auto;}
.hot-item h4{font-size:.9375rem;font-weight:600;line-height:1.5;color:var(--text);}
.hot-item:hover h4{color:var(--primary-l);}
.hot-item span{display:block;font-size:.75rem;color:var(--text-3);margin-top:6px;}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 var(--sp-section);}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 44px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(240,86,45,.16) 0%,rgba(95,176,174,.10) 100%),var(--bg-2);
  border:1px solid rgba(240,86,45,.32);
  box-shadow:0 24px 60px -32px rgba(240,86,45,.7);
}
.cta-inner h2{font-size:clamp(1.3rem,2.2vw,1.75rem);margin-bottom:10px;}
.cta-inner p{font-size:.9375rem;color:var(--text-2);max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}
.btn-light-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--paper);color:#1A1611;font-weight:700;font-size:.9375rem;
  border:1px solid var(--paper);transition:all .2s ease;
}
.btn-light-solid:hover{background:#fff;color:#1A1611;transform:translateY(-1px);}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:72px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.15fr 1.25fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-desc{font-size:.875rem;color:var(--text-3);line-height:1.8;max-width:34ch;}
.foot-social{display:flex;gap:10px;margin-top:20px;}
.foot-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);transition:all .2s ease;
}
.foot-social a:hover{border-color:var(--line-hover);color:var(--primary-l);background:rgba(240,86,45,.07);}
.foot-title{font-size:.8125rem;font-weight:700;letter-spacing:.1em;color:var(--text-2);margin-bottom:16px;}
.foot-list li{margin-bottom:11px;}
.foot-list a{font-size:.875rem;color:var(--text-3);}
.foot-list a:hover{color:var(--primary-l);}
.foot-contact li{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--text-3);margin-bottom:12px;}
.foot-contact i{color:var(--accent);margin-top:4px;font-size:.8125rem;}
.foot-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:52px;padding-top:22px;
  font-size:.8125rem;color:var(--text-3);
}
.foot-bar-links{display:flex;gap:20px;}
.foot-bar-links a{color:var(--text-3);}
.foot-bar-links a:hover{color:var(--primary-l);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .2s ease-out,transform .2s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .rel-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1199.98px){
  .page-main{padding-top:124px;}
  .side-sticky{position:static;}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .foot-grid > div:last-child{grid-column:span 3;}
  .foot-contact{display:flex;flex-wrap:wrap;gap:24px;}
  .foot-contact li{margin-bottom:0;}
}
@media (max-width:991.98px){
  :root{--sp-section:72px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-body{padding:44px 36px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  :root{--sp-section:56px;}
  .container-x{padding:0 16px;}
  .page-main{padding-top:112px;}
  .article-body{padding:32px 24px;font-size:1rem;line-height:1.85;}
  .article-body.is-empty{padding:52px 24px;}
  .rel-grid{
    display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;
    padding-bottom:8px;margin:0 -16px;padding-left:16px;padding-right:16px;
  }
  .rel-grid::-webkit-scrollbar{display:none;}
  .rel-card{flex:0 0 78vw;scroll-snap-align:start;}
  .back-row{flex-direction:column;gap:12px;}
  .back-row .btn-main,.back-row .btn-ghost{width:100%;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn-light-solid,.cta-actions .btn-ghost{width:100%;}
  .cta-inner{padding:32px 24px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-grid > div:last-child{grid-column:auto;}
  .site-footer{padding:56px 0 24px;}
  .sec-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .brand-text{font-size:.9375rem;}
  .article-head h1{font-size:1.6rem;}
  .crumb-current{max-width:30ch;}
  .foot-bar{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --bg:#0F0D0B;
  --bg-2:#17130F;
  --card:#1C1814;
  --card-2:#221C17;
  --primary:#F0562D;
  --primary-dark:#C43F1C;
  --primary-light:#FF7A52;
  --accent:#5FB0AE;
  --accent-soft:#8FA6AC;
  --gold:#E7B45A;
  --text:#F3EEE7;
  --text-2:#B4AAA0;
  --text-3:#7E756C;
  --line:rgba(243,238,231,.10);
  --line-hover:rgba(240,86,45,.55);
  --r-pill:999px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-hover:0 22px 46px -20px rgba(0,0,0,.92), inset 0 1px 0 rgba(255,255,255,.08);
  --font:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;

  --bs-body-bg:#0F0D0B;
  --bs-body-color:#F3EEE7;
  --bs-primary:#F0562D;
  --bs-border-radius:16px;
  --bs-link-color:#FF7A52;
  --bs-link-hover-color:#F0562D;
  --bs-font-sans-serif:var(--font);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(240,86,45,.25);border-radius:8px;}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1200px,92vw);z-index:1035;transition:top .25s ease;
}
.nav-shell{
  display:flex;align-items:center;gap:22px;
  height:64px;padding:0 10px 0 16px;
  border-radius:var(--r-pill);
  background:rgba(15,13,11,.55);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{height:56px;background:rgba(15,13,11,.86);box-shadow:var(--shadow);}
.site-header.is-scrolled{top:10px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#fff;font-weight:800;font-size:.9375rem;line-height:1;
  box-shadow:0 8px 18px -10px rgba(240,86,45,.95);
}
.brand-text{font-size:.9375rem;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:-.01em;}

.nav-links{display:flex;align-items:center;gap:26px;margin:0;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 2px;
  font-size:.9375rem;font-weight:600;color:var(--text-2);
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(34,28,23,.7);border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(240,86,45,.18);}
.nav-search i{color:var(--text-3);font-size:.8125rem;}
.nav-search input{
  width:132px;background:transparent;border:0;outline:none;
  color:var(--text);font-size:.875rem;
}
.nav-search input::placeholder{color:var(--text-3);}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;font-size:.9375rem;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--primary-light);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -16px rgba(240,86,45,.95);}
.btn-main.btn-lg{height:48px;padding:0 28px;font-size:1rem;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid rgba(243,238,231,.24);background:transparent;color:var(--text);
  font-size:.9375rem;font-weight:600;white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-light);transform:translateY(-1px);}
.btn-ghost.btn-lg{height:48px;padding:0 28px;font-size:1rem;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  align-items:center;justify-content:center;
  background:rgba(34,28,23,.7);border:1px solid var(--line);color:var(--text);
  font-size:1rem;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--line-hover);color:var(--primary-light);}

.mobile-panel{
  display:none;margin-top:10px;padding:14px;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:rgba(23,19,15,.97);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  max-height:calc(100vh - 120px);overflow-y:auto;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;height:56px;padding:0 12px;
  font-size:1.0625rem;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);transition:color .2s ease;
}
.mobile-panel li:last-child a{border-bottom:0;}
.mobile-panel a:hover,.mobile-panel a.active{color:var(--primary-light);}
.mobile-panel .btn-main{width:100%;height:48px;margin-top:12px;font-size:1rem;}

/* ---------- 小 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:46vh;display:flex;align-items:flex-end;
  padding:150px 0 56px;
}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(15,13,11,.96) 0%,rgba(15,13,11,.74) 46%,rgba(15,13,11,.34) 100%),
    linear-gradient(180deg,rgba(15,13,11,.92) 0%,rgba(15,13,11,.14) 46%,var(--bg) 100%);
}
.cat-hero-inner{position:relative;z-index:2;}
.eyebrow{
  font-size:.8125rem;font-weight:700;letter-spacing:.08em;
  color:var(--accent);margin-bottom:14px;
}
.cat-hero h1{
  font-size:clamp(1.9rem,3.8vw,2.95rem);
  max-width:19em;margin-bottom:16px;
}
.hero-sub{color:var(--text-2);font-size:clamp(.95rem,1.4vw,1.0625rem);max-width:38em;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  padding:7px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(28,24,20,.66);
  color:var(--text-2);font-size:.8125rem;font-weight:600;
  transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:var(--line-hover);color:var(--primary-light);}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding-top:22px;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:.8125rem;color:var(--text-3);}
.crumb a{color:var(--text-3);transition:color .2s ease;}
.crumb a:hover{color:var(--primary-light);}
.crumb .sep{color:var(--text-3);}
.crumb [aria-current]{color:var(--text-2);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-2);}
.sec-head{margin-bottom:36px;}
.sec-head-center{text-align:center;max-width:640px;margin-left:auto;margin-right:auto;}
.eyebrow-sm{
  font-size:.8125rem;font-weight:700;letter-spacing:.08em;
  color:var(--accent);margin-bottom:12px;
}
.sec-title{font-size:clamp(1.5rem,2.7vw,2.15rem);margin-bottom:12px;}
.sec-desc{color:var(--text-2);font-size:.9375rem;max-width:56ch;line-height:1.8;}
.sec-head-center .sec-desc{margin:0 auto;}
.sec-head-center .sec-desc{max-width:46ch;}

/* ---------- 左筛选 + 右网格 ---------- */
.side-panel{
  position:sticky;top:104px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;
  box-shadow:var(--shadow);
}
.side-title{font-size:.8125rem;font-weight:700;letter-spacing:.08em;color:var(--accent);margin-bottom:14px;}
.filter-list{display:flex;flex-direction:column;gap:6px;}
.filter-btn{
  display:block;width:100%;text-align:left;
  padding:11px 14px;border-radius:var(--r-sm);
  border:1px solid transparent;background:transparent;
  color:var(--text-2);font-size:.9375rem;font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.filter-btn:hover{background:var(--card-2);color:var(--text);}
.filter-btn.is-active{background:var(--primary);border-color:var(--primary);color:#fff;}
.side-note{margin-top:20px;padding-top:20px;border-top:1px solid var(--line);}
.side-note p{font-size:.875rem;color:var(--text-3);line-height:1.75;margin-bottom:12px;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary-light);font-size:.875rem;font-weight:600;
  transition:gap .2s ease,color .2s ease;
}
.link-arrow:hover{color:var(--primary);gap:12px;}

.p-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.p-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover);}
.p-card-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--card-2);}
.p-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.p-card:hover .p-card-media img{transform:scale(1.04);}
.badge-soft{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:8px;
  font-size:.75rem;font-weight:600;color:var(--accent);
  background:rgba(15,13,11,.74);border:1px solid rgba(95,176,174,.5);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.p-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.p-card-body h3{font-size:1.0625rem;font-weight:700;line-height:1.4;}
.p-card-body h3 a{transition:color .2s ease;}
.p-card:hover .p-card-body h3 a{color:var(--primary-light);}
.p-card-body>p{color:var(--text-2);font-size:.9375rem;line-height:1.75;}
.meta-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:.8125rem;color:var(--text-3);margin-top:auto;padding-top:6px;
}
.meta-line .dot{color:var(--text-3);}
.empty-state{
  text-align:center;padding:48px 20px;
  border:1px dashed var(--line);border-radius:var(--r-md);
  color:var(--text-3);font-size:.9375rem;
}

/* ---------- 登录流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-step{
  padding:26px 22px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow);}
.flow-num{display:block;font-size:.875rem;font-weight:800;letter-spacing:.08em;color:var(--gold);margin-bottom:14px;}
.flow-step h3{font-size:1.0625rem;margin-bottom:10px;}
.flow-step p{color:var(--text-2);font-size:.875rem;line-height:1.75;}
#flowAnchor{scroll-margin-top:104px;}

/* ---------- 提示对照 ---------- */
.cmp-list{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--card);}
.cmp-row{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);}
.cmp-row:last-child{border-bottom:0;}
.cmp-cell{display:flex;align-items:flex-start;gap:14px;padding:22px 24px;}
.cmp-cell+.cmp-cell{border-left:1px solid var(--line);}
.cmp-badge{
  flex:0 0 auto;padding:3px 10px;border-radius:8px;
  font-size:.75rem;font-weight:700;color:var(--primary-light);
  border:1px solid rgba(240,86,45,.5);background:rgba(240,86,45,.08);
}
.cmp-badge.accent{color:var(--accent);border-color:rgba(95,176,174,.5);background:rgba(95,176,174,.08);}
.cmp-cell p{font-size:.9375rem;color:var(--text-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;gap:16px;width:100%;
  padding:22px 4px;background:none;border:0;text-align:left;
  color:var(--text);font-size:1.0625rem;font-weight:600;line-height:1.5;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary-light);}
.faq-idx{flex:0 0 auto;font-size:.8125rem;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
.faq-text{flex:1;}
.faq-icon{flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;color:var(--text-3);transition:transform .25s ease,color .2s ease;}
.faq-item.is-open .faq-q{color:var(--primary-light);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:0 4px 24px 44px;max-width:72ch;color:var(--text-2);font-size:.9375rem;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-strip{padding:0 0 96px;}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:44px 48px;border-radius:24px;
  background:linear-gradient(120deg,rgba(240,86,45,.16),rgba(95,176,174,.13)),var(--card);
  border:1px solid var(--line-hover);
  box-shadow:0 24px 60px -34px rgba(240,86,45,.65);
}
.cta-box h2{font-size:clamp(1.35rem,2.2vw,1.8rem);margin-bottom:10px;}
.cta-box p{color:var(--text-2);font-size:.9375rem;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding-top:72px;}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;
  gap:40px;padding-bottom:48px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-desc{color:var(--text-3);font-size:.875rem;line-height:1.85;max-width:34ch;}
.foot-social{display:flex;gap:10px;margin-top:20px;}
.foot-social a{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.foot-social a:hover{border-color:var(--primary);color:var(--primary-light);transform:translateY(-2px);}
.foot-title{font-size:.9375rem;font-weight:700;color:var(--text);margin-bottom:18px;}
.foot-list li{margin-bottom:11px;}
.foot-list a{color:var(--text-2);font-size:.875rem;transition:color .2s ease;}
.foot-list a:hover{color:var(--primary-light);}
.foot-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:13px;color:var(--text-2);font-size:.875rem;line-height:1.6;}
.foot-contact i{color:var(--accent);margin-top:5px;flex:0 0 auto;}
.foot-bar{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:14px;
  padding:22px 0;border-top:1px solid var(--line);
  color:var(--text-3);font-size:.8125rem;
}
.foot-bar-links{display:flex;gap:20px;}
.foot-bar-links a{color:var(--text-3);transition:color .2s ease;}
.foot-bar-links a:hover{color:var(--primary-light);}

/* ---------- 入场动效 ---------- */
.reveal{transition:opacity .3s ease,transform .3s ease;}
html.js .reveal:not(.is-in){opacity:0;transform:translateY(16px);}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html.js .reveal:not(.is-in){opacity:1;transform:none;}
  .p-card:hover,.flow-step:hover{transform:none;}
  .p-card:hover .p-card-media img{transform:none;}
}

/* ---------- 断点 ---------- */
@media (max-width:1399.98px){
  .container-x{padding:0 24px;}
}
@media (max-width:1199.98px){
  .section{padding:80px 0;}
  .cta-box{padding:40px 36px;}
}
@media (max-width:991.98px){
  .nav-links,.nav-search,.nav-actions .btn-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .cat-hero{min-height:42vh;padding:132px 0 48px;}
  .side-panel{position:static;margin-bottom:28px;}
  .filter-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .filter-btn{width:auto;padding:9px 16px;border-radius:var(--r-pill);border-color:var(--line);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-box{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px;}
  .section{padding:56px 0;}
  .cat-hero{min-height:38vh;padding:118px 0 40px;}
  .cat-hero h1{max-width:100%;}
  .crumb-wrap{padding-top:18px;}
  .sec-head{margin-bottom:26px;}
  .p-card-body{padding:16px;}
  .cmp-row{grid-template-columns:1fr;}
  .cmp-cell+.cmp-cell{border-left:0;border-top:1px solid var(--line);}
  .cmp-cell{padding:18px 18px;}
  .faq-idx{display:none;}
  .faq-q{padding:18px 2px;font-size:1rem;gap:12px;}
  .faq-a p{padding:0 2px 20px 0;}
  .cta-strip{padding-bottom:56px;}
  .cta-box{padding:32px 22px;border-radius:20px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;height:48px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .site-footer{padding-top:52px;}
  .foot-bar{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .flow-grid{grid-template-columns:1fr;}
  .hero-tags{gap:8px;}
  .tag{font-size:.75rem;padding:6px 12px;}
  .brand-text{font-size:.875rem;}
}

/* roulang page: category2 */
:root{
  --bg:#0F0D0B;
  --surface:#17130F;
  --card:#1C1814;
  --overlay:#221C17;
  --primary:#F0562D;
  --primary-d:#C43F1C;
  --primary-l:#FF7A52;
  --teal:#5FB0AE;
  --teal-soft:#8FA6AC;
  --gold:#E7B45A;
  --text:#F3EEE7;
  --text-2:#B4AAA0;
  --text-3:#7E756C;
  --paper:#F7F3EC;
  --paper-ink:#221C17;
  --line:rgba(243,238,231,.10);
  --line-strong:rgba(240,86,45,.55);
  --r-pill:999px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-badge:8px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-hi:0 24px 52px -24px rgba(0,0,0,.9), inset 0 1px 0 rgba(240,86,45,.35);
  --sec:96px;
  --font:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-primary:#F0562D;
  --bs-primary-rgb:240,86,45;
  --bs-body-bg:#0F0D0B;
  --bs-body-color:#F3EEE7;
  --bs-border-radius:16px;
  --bs-border-radius-lg:20px;
  --bs-border-radius-sm:12px;
  --bs-link-color:#FF7A52;
  --bs-link-hover-color:#F0562D;
  --bs-font-sans-serif:var(--font);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary-l);}
button{font-family:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em;font-weight:800;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 4px rgba(240,86,45,.25);border-radius:6px;}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:fixed;
  top:16px;left:0;right:0;
  z-index:900;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:min(1200px,92vw);
  min-height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:8px 10px 8px 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(15,13,11,.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 16px 40px -22px rgba(0,0,0,.9);
  transition:min-height .25s ease,background .25s ease,padding .25s ease;
}
.nav-shell.shrink{
  min-height:56px;
  background:rgba(15,13,11,.82);
  padding-top:5px;padding-bottom:5px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  font-weight:800;font-size:1rem;
  color:#fff;
  background:linear-gradient(140deg,var(--primary),var(--primary-d));
  box-shadow:0 8px 18px -10px rgba(240,86,45,.9);
}
.brand-text{font-weight:800;font-size:1.0625rem;letter-spacing:-.02em;white-space:nowrap;}
.nav-links{
  display:flex;align-items:center;gap:6px;
  margin-left:8px;flex:1 1 auto;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--text-2);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active::before{
  content:"";position:absolute;left:2px;top:50%;
  width:5px;height:5px;margin-top:-2.5px;
  border-radius:50%;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(28,24,20,.7);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--text-3);font-size:.8125rem;}
.nav-search input{
  width:132px;border:0;background:transparent;color:var(--text);
  font-size:.875rem;outline:none;font-family:inherit;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(240,86,45,.18);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:0;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;
  font-weight:600;font-size:.9375rem;
  box-shadow:0 12px 26px -14px rgba(240,86,45,.95);
  transition:background .2s ease,transform .2s ease;
}
.btn-main:hover{background:var(--primary-l);color:#fff;transform:translateY(-1px);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:transparent;color:var(--text);
  font-weight:600;font-size:.9375rem;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--primary-l);transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:transparent;color:var(--text);font-size:1rem;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary-l);}

.mobile-panel{
  position:fixed;inset:0;z-index:880;
  background:rgba(15,13,11,.97);
  backdrop-filter:blur(8px);
  padding:110px 24px 40px;
  display:none;
  overflow-y:auto;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;
  font-size:1.0625rem;
  line-height:56px;
  font-weight:600;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.active,.mobile-panel a:hover{color:var(--primary-l);}
.mobile-panel .btn-main{width:100%;margin-top:24px;height:52px;font-size:1rem;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  min-height:440px;
  height:44vh;
  display:flex;align-items:center;
  padding:150px 0 60px;
  background:
    linear-gradient(180deg,rgba(15,13,11,.88) 0%,rgba(15,13,11,.72) 45%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;left:50%;bottom:28px;
  width:min(1240px,90vw);height:1px;
  transform:translateX(-50%);
  background:linear-gradient(90deg,transparent,var(--line) 20%,var(--line) 80%,transparent);
}
.cat-hero .container-x{position:relative;z-index:2;text-align:center;}
.cat-hero .top-line{
  width:64px;height:1px;background:var(--primary);
  margin:0 auto 26px;
}
.crumb{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--text-3);
  margin-bottom:20px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary-l);}
.crumb .sep{color:var(--text-3);opacity:.6;}
.crumb .now{color:var(--text-2);}
.eyebrow{
  display:inline-block;
  font-size:.8125rem;font-weight:600;
  letter-spacing:.08em;
  color:var(--teal);
  text-transform:uppercase;
  margin-bottom:14px;
}
.cat-hero h1{
  font-size:clamp(2rem,4.4vw,3.1rem);
  margin-bottom:16px;
}
.hero-lead{
  max-width:640px;margin:0 auto 28px;
  color:var(--text-2);font-size:1.0625rem;line-height:1.8;
}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section-head{max-width:680px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:clamp(1.6rem,3vw,2.35rem);
  margin:12px 0 12px;
}
.section-head p{color:var(--text-2);font-size:1rem;max-width:44ch;}
.section-head.center p{margin:0 auto;}
.badge-soft{
  display:inline-block;
  padding:5px 12px;
  border-radius:var(--r-badge);
  border:1px solid rgba(95,176,174,.4);
  background:rgba(95,176,174,.12);
  color:var(--teal);
  font-size:.8125rem;font-weight:600;
  letter-spacing:.06em;
}
.badge-gold{
  display:inline-block;
  padding:5px 12px;
  border-radius:var(--r-badge);
  border:1px solid rgba(231,180,90,.35);
  background:rgba(231,180,90,.12);
  color:var(--gold);
  font-size:.8125rem;font-weight:600;
}

/* ============ 分段控件 ============ */
.seg-wrap{
  display:flex;justify-content:center;
  margin-bottom:44px;
}
.segment{
  display:flex;gap:6px;flex-wrap:wrap;justify-content:center;
  padding:6px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(28,24,20,.72);
  box-shadow:var(--shadow);
}
.seg-btn{
  border:0;background:transparent;
  color:var(--text-2);
  font-size:.9375rem;font-weight:600;
  padding:10px 22px;
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.seg-btn:hover{color:var(--text);}
.seg-btn.is-on{background:var(--primary);color:#fff;box-shadow:0 10px 22px -14px rgba(240,86,45,.95);}

/* ============ 交替宽卡 ============ */
.story-list{display:flex;flex-direction:column;gap:28px;}
.story-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--card);
  overflow:hidden;
  box-shadow:var(--shadow);
  opacity:0;
  transform:translateY(16px);
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.story-row.in{opacity:1;transform:none;}
.story-row:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hi);}
.story-row.is-hidden{display:none;}
.story-media{
  position:relative;
  min-height:280px;
  overflow:hidden;
}
.story-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.story-row:hover .story-media img{transform:scale(1.04);}
.story-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,13,11,.05),rgba(15,13,11,.42));
}
.story-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:5px 12px;
  border-radius:var(--r-badge);
  border:1px solid rgba(95,176,174,.45);
  background:rgba(15,13,11,.62);
  color:var(--teal);
  font-size:.8125rem;font-weight:600;
}
.story-body{
  padding:36px 40px;
  display:flex;flex-direction:column;justify-content:center;
}
.story-body h3{
  font-size:1.375rem;font-weight:700;
  margin-bottom:14px;
  transition:color .2s ease;
}
.story-row:hover .story-body h3{color:var(--primary-l);}
.story-body p{
  color:var(--text-2);
  font-size:.9875rem;
  line-height:1.8;
  margin-bottom:20px;
}
.meta-line{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--text-3);
  margin-bottom:22px;
}
.meta-line .dot{opacity:.5;}
.meta-line time{color:var(--text-3);}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9375rem;font-weight:600;
  color:var(--primary-l);
}
.link-more i{transition:transform .2s ease;font-size:.8125rem;}
.link-more:hover i{transform:translateX(4px);}
.story-row.flip .story-media{order:2;}
.story-row.flip .story-body{order:1;}

/* ============ 数据说明条 ============ */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.metric{
  padding:36px 28px;
  border-right:1px solid var(--line);
}
.metric:last-child{border-right:0;}
.metric .num{
  font-size:clamp(1.5rem,2.6vw,2rem);
  font-weight:800;
  color:var(--primary-l);
  letter-spacing:-.02em;
  display:block;
  margin-bottom:8px;
}
.metric .lab{font-size:.9375rem;color:var(--text);font-weight:600;margin-bottom:6px;}
.metric .desc{font-size:.875rem;color:var(--text-3);line-height:1.7;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:18px;
  padding:26px 4px;
  background:transparent;border:0;
  color:var(--text);
  text-align:left;
  font-size:1.0625rem;font-weight:600;
  cursor:pointer;
  transition:color .2s ease;
  min-height:56px;
}
.faq-q .idx{
  font-size:.8125rem;color:var(--teal);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  flex:0 0 auto;
}
.faq-q .txt{flex:1 1 auto;}
.faq-q .ico{
  flex:0 0 auto;
  width:24px;height:24px;
  display:grid;place-items:center;
  color:var(--text-3);
  font-size:1rem;
  transition:transform .25s ease,color .25s ease;
}
.faq-item.is-open .faq-q{color:var(--primary-l);}
.faq-item.is-open .ico{transform:rotate(45deg);color:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a .inner{
  max-width:72ch;
  padding:0 4px 26px 44px;
  color:var(--text-2);
  font-size:.9875rem;
  line-height:1.8;
  opacity:0;
  transition:opacity .25s ease;
}
.faq-item.is-open .faq-a .inner{opacity:1;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border:1px solid var(--line-strong);
  border-radius:24px;
  padding:52px 56px;
  background:
    radial-gradient(120% 160% at 88% 0%,rgba(240,86,45,.20),transparent 60%),
    var(--overlay);
  box-shadow:0 30px 60px -34px rgba(240,86,45,.55);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  overflow:hidden;
}
.cta-band h2{
  font-size:clamp(1.45rem,2.6vw,2rem);
  margin-bottom:10px;
}
.cta-band p{color:var(--text-2);font-size:1rem;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  background:var(--text);color:#1A1611;
  font-weight:600;font-size:.9375rem;
  transition:background .2s ease,transform .2s ease;
}
.btn-light:hover{background:#fff;color:#1A1611;transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sec);
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:72px 0 32px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.foot-desc{color:var(--text-3);font-size:.9375rem;line-height:1.8;max-width:34ch;margin-bottom:22px;}
.foot-social{display:flex;gap:12px;}
.foot-social a{
  width:40px;height:40px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text-2);
  font-size:.9375rem;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.foot-social a:hover{border-color:var(--line-strong);color:var(--primary-l);transform:translateY(-2px);}
.foot-title{font-size:.9375rem;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.02em;}
.foot-list li{margin-bottom:12px;}
.foot-list a{color:var(--text-3);font-size:.9375rem;}
.foot-list a:hover{color:var(--primary-l);}
.foot-contact li{
  display:flex;align-items:flex-start;gap:10px;
  color:var(--text-3);font-size:.9375rem;
  margin-bottom:14px;line-height:1.6;
}
.foot-contact i{color:var(--teal-soft);margin-top:4px;font-size:.875rem;}
.foot-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  margin-top:56px;padding-top:24px;
  border-top:1px solid var(--line);
  color:var(--text-3);font-size:.8125rem;flex-wrap:wrap;
}
.foot-bar-links{display:flex;gap:20px;}
.foot-bar-links a{color:var(--text-3);}
.foot-bar-links a:hover{color:var(--primary-l);}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .2s ease-out,transform .2s ease-out;}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .nav-search input{width:110px;}
}
@media (max-width:1199.98px){
  .nav-links a{padding:8px 10px;font-size:.875rem;}
  .nav-search input{width:92px;}
  .story-body{padding:30px 32px;}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
}
@media (max-width:991.98px){
  :root{--sec:72px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{padding:8px 12px 8px 16px;justify-content:space-between;}
  .nav-actions .btn-main{display:none;}
  .cat-hero{padding-top:130px;height:auto;min-height:400px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);}
  .story-body{padding:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 36px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-light,.cta-actions .btn-ghost{flex:1 1 auto;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767.98px){
  :root{--sec:56px;}
  .container-x{padding-left:16px;padding-right:16px;}
  .cat-hero h1{font-size:2rem;}
  .hero-lead{font-size:1rem;}
  .story-row{grid-template-columns:1fr;}
  .story-row.flip .story-media{order:0;}
  .story-row.flip .story-body{order:1;}
  .story-media{min-height:210px;}
  .story-body{padding:24px 20px 28px;}
  .faq-q{gap:12px;font-size:1rem;}
  .faq-a .inner{padding-left:0;}
  .cta-band{padding:36px 24px;border-radius:20px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-bar{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:575.98px){
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);padding:26px 20px;}
  .metric:last-child{border-bottom:0;}
  .segment{width:100%;}
  .seg-btn{flex:1 1 auto;padding:10px 14px;font-size:.875rem;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-light,.cta-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal,.story-row{opacity:1 !important;transform:none !important;}
  html{scroll-behavior:auto;}
}