/* roulang page: index */
:root{
  --bg:#FFF8F0;
  --ink:#0E211E;
  --ink-soft:rgba(14,33,30,.68);
  --ink-mute:rgba(14,33,30,.48);
  --primary:#F2542D;
  --teal:#0F7C74;
  --mint:#7FD1C1;
  --amber:#FFC24B;
  --card:#FFFFFF;
  --card-alt:#FFF3E8;
  --line:rgba(14,33,30,.08);
  --grad:linear-gradient(135deg,#FF7A3D 0%,#F2542D 45%,#E23E57 100%);
  --grad-wave:linear-gradient(180deg,rgba(127,209,193,.28),rgba(255,248,240,0));
  --r-xl:28px;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 18px 48px -28px rgba(14,33,30,.22);
  --shadow-hover:0 28px 60px -28px rgba(14,33,30,.32);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,84,45,.28);border-radius:10px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
h1,h2,h3{letter-spacing:-.02em}
.h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25;color:var(--ink)}
.h2-sub{margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink-soft);max-width:60ch}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--teal);transition:color var(--ease),gap var(--ease)}
.link-more:hover{color:var(--primary);gap:10px}
.link-more svg{width:14px;height:14px}

/* ============ 顶部命令栏 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,248,240,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 34px -26px rgba(14,33,30,.5);background:rgba(255,248,240,.94)}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;flex-shrink:0;
  box-shadow:0 10px 22px -12px rgba(242,84,45,.85);
}
.logo-mark svg{width:19px;height:19px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:20px;flex:1;justify-content:center;min-width:0}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:var(--ink-soft);
  padding:8px 0;white-space:nowrap;transition:color var(--ease);
}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--grad);
}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-box{
  position:relative;display:flex;align-items:center;
  width:230px;height:40px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  padding:0 10px 0 14px;transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(242,84,45,.14)}
.search-box svg{width:15px;height:15px;stroke:var(--ink-mute);fill:none;stroke-width:2;flex-shrink:0}
.search-box input{
  border:none;outline:none;background:transparent;width:100%;
  font-size:13.5px;padding:0 8px;color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-mute)}
.kbd{
  flex-shrink:0;font-size:11px;font-weight:600;color:var(--ink-mute);
  background:#F3EAE0;border-radius:6px;padding:2px 6px;line-height:1.5;
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;
}
.quick-link{font-size:14px;color:var(--ink-soft);display:inline-flex;align-items:center;gap:4px;transition:color var(--ease);white-space:nowrap}
.quick-link:hover{color:var(--primary)}
.quick-link svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 16px 30px -18px rgba(242,84,45,.9);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 22px 36px -18px rgba(242,84,45,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;color:var(--ink);border:1px solid rgba(14,33,30,.16);
}
.btn-ghost:hover{background:var(--card-alt);border-color:rgba(14,33,30,.24);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);box-shadow:0 16px 30px -20px rgba(0,0,0,.5)}
.btn-light:hover{transform:translateY(-2px);filter:brightness(.98)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:15px}
.btn-block{width:100%}
.btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;place-items:center;
}
.nav-toggle svg{width:19px;height:19px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round}

/* ============ 移动抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;pointer-events:none}
.drawer.is-open{visibility:visible;pointer-events:auto}
.drawer-mask{
  position:absolute;inset:0;background:rgba(14,33,30,.45);
  opacity:0;transition:opacity var(--ease);
}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:var(--bg);padding:22px 20px 28px;
  display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  box-shadow:-20px 0 50px -30px rgba(14,33,30,.6);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;display:grid;place-items:center}
.drawer-close svg{width:17px;height:17px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;border-radius:999px;
  background:#fff;border:1px solid var(--line);padding:0 16px;
}
.drawer-search svg{width:16px;height:16px;stroke:var(--ink-mute);fill:none;stroke-width:2}
.drawer-search input{border:none;outline:none;background:transparent;width:100%;font-size:14px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:15px;font-weight:500;color:var(--ink-soft);
  border-bottom:1px dashed rgba(14,33,30,.1);
}
.drawer-nav a.active{color:var(--primary);font-weight:700}
.drawer-nav a svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}

/* ============ Hero ============ */
.hero{padding:64px 0 96px;position:relative;overflow:hidden}
.hero-wave{
  position:absolute;right:-8%;top:8%;width:640px;height:640px;pointer-events:none;
  opacity:.07;z-index:0;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,194,75,.18);color:var(--ink);
  border:1px solid rgba(255,194,75,.5);
  border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);flex-shrink:0}
.hero h1{
  margin-top:22px;
  font-size:clamp(38px,4.6vw,60px);
  font-weight:800;line-height:1.12;letter-spacing:-.02em;
}
.hero h1 .accent{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:20px;font-size:16.5px;line-height:1.85;color:var(--ink-soft);max-width:52ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:44px;max-width:560px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;box-shadow:var(--shadow);
}
.stat-num{
  font-size:24px;font-weight:800;line-height:1.2;color:var(--ink);
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;letter-spacing:-.02em;
}
.stat-num span{color:var(--primary);font-size:15px;font-weight:700;margin-left:2px}
.stat-label{font-size:13px;color:var(--ink-mute);margin-top:4px}
.hero-media{position:relative;display:flex;justify-content:flex-end;padding:12px 40px 40px 0}
.phone-card{
  position:relative;width:min(100%,310px);aspect-ratio:9/15;
  border-radius:var(--r-xl);overflow:hidden;
  box-shadow:0 40px 70px -40px rgba(14,33,30,.55);
  background:#0E211E;
}
.phone-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.phone-card:hover img{transform:scale(1.04)}
.phone-card::after{
  content:"";position:absolute;inset:auto 0 0 0;height:52%;
  background:linear-gradient(180deg,rgba(14,33,30,0) 0%,rgba(14,33,30,.82) 100%);
}
.phone-caption{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;color:#fff;
}
.phone-caption .tag{
  display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.06em;
  background:rgba(255,255,255,.18);backdrop-filter:blur(6px);
  border-radius:999px;padding:4px 11px;margin-bottom:10px;
}
.phone-caption h3{font-size:17px;font-weight:700;line-height:1.45}
.media-sub{
  position:absolute;right:0;top:0;width:min(42%,150px);aspect-ratio:3/4;
  border-radius:var(--r-md);overflow:hidden;border:4px solid #fff;
  box-shadow:0 30px 50px -26px rgba(14,33,30,.55);z-index:3;
  transition:transform var(--ease);
}
.media-sub:hover{transform:translateY(-4px)}
.media-sub img{width:100%;height:100%;object-fit:cover}
.media-chip{
  position:absolute;left:0;bottom:6px;z-index:4;
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border-radius:999px;padding:9px 16px;
  font-size:13px;font-weight:600;color:var(--ink);
  box-shadow:0 20px 36px -22px rgba(14,33,30,.5);
}
.media-chip svg{width:15px;height:15px;stroke:var(--primary);fill:none;stroke-width:2.2}

/* ============ 片段卡 ============ */
.clips-section{background:#fff}
.clips{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;grid-auto-rows:1fr}
.clip{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:3/4;background:#0E211E;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.clip:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.clip.is-feature{grid-row:span 2;aspect-ratio:auto;height:100%}
.clip img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.clip:hover img{transform:scale(1.04)}
.clip::after{
  content:"";position:absolute;inset:auto 0 0 0;height:64%;
  background:linear-gradient(180deg,rgba(14,33,30,0) 0%,rgba(14,33,30,.86) 100%);
}
.clip-index{
  position:absolute;top:12px;left:12px;z-index:3;
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;
  font-size:12px;font-weight:700;color:#fff;letter-spacing:.04em;
  background:rgba(14,33,30,.52);border-radius:8px;padding:3px 8px;
  backdrop-filter:blur(6px);
}
.clip-tag{
  position:absolute;top:12px;right:12px;z-index:3;
  font-size:11px;font-weight:600;color:var(--ink);
  background:rgba(255,255,255,.92);border-radius:999px;padding:3px 10px;
}
.clip-body{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;color:#fff}
.clip-body h3{
  font-size:16px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.clip.is-feature .clip-body h3{font-size:19px}
.clip-meta{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.78)}
.clip-meta .pill{
  background:rgba(255,255,255,.2);border-radius:999px;padding:2px 9px;font-size:11.5px;font-weight:600;color:#fff;
}
.clip-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.7);
  width:48px;height:48px;border-radius:50%;background:#fff;z-index:4;
  display:grid;place-items:center;opacity:0;
  transition:opacity var(--ease),transform var(--ease);
  box-shadow:0 16px 30px -14px rgba(0,0,0,.5);
}
.clip-play svg{width:16px;height:16px;fill:var(--primary);margin-left:2px}
.clip:hover .clip-play{opacity:1;transform:translate(-50%,-50%) scale(1)}

/* ============ 编号清单 ============ */
.list-section{background:var(--bg)}
.list-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;margin-top:8px}
.list-item{
  display:flex;align-items:center;gap:20px;
  padding:26px 18px;border-bottom:1px dashed rgba(14,33,30,.14);
  border-radius:14px;transition:background var(--ease);
}
.list-item:hover{background:var(--card-alt)}
.list-num{
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;
  font-size:32px;font-weight:800;line-height:1;flex-shrink:0;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  transition:transform var(--ease);
}
.list-item:hover .list-num{transform:translateX(4px)}
.list-text h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink)}
.list-text p{font-size:14px;line-height:1.7;color:var(--ink-mute);margin-top:5px}
.list-arrow{
  margin-left:auto;flex-shrink:0;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--line);
  transition:border-color var(--ease),background var(--ease);
}
.list-arrow svg{width:14px;height:14px;stroke:var(--ink-mute);fill:none;stroke-width:2.2;transition:stroke var(--ease)}
.list-item:hover .list-arrow{border-color:rgba(242,84,45,.4);background:#fff}
.list-item:hover .list-arrow svg{stroke:var(--primary)}

/* ============ 口碑条 ============ */
.voice-section{background:#fff;overflow:hidden}
.marquee{
  display:flex;gap:18px;width:max-content;
  animation:marqueeScroll 40s linear infinite;
  padding:6px 0 18px;
}
.marquee:hover{animation-play-state:paused}
@keyframes marqueeScroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}
.voice-card{
  width:305px;flex-shrink:0;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.voice-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-size:14px;font-weight:700;color:#fff;
  background:var(--grad);
}
.avatar.teal{background:linear-gradient(135deg,#7FD1C1,#0F7C74)}
.avatar.amber{background:linear-gradient(135deg,#FFD98A,#F2A03D)}
.avatar.dark{background:linear-gradient(135deg,#3C5A55,#0E211E)}
.voice-name{font-size:14px;font-weight:600;color:var(--ink)}
.voice-sub{font-size:12px;color:var(--ink-mute)}
.voice-dots{display:flex;gap:3px;margin-top:12px}
.voice-dots i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:block}
.voice-dots i.off{background:rgba(14,33,30,.12)}
.voice-text{font-size:14px;line-height:1.75;color:var(--ink-soft);margin-top:10px}
@media (prefers-reduced-motion:reduce){
  .marquee{animation:none;flex-wrap:wrap;width:auto}
}

/* ============ 最新信息 ============ */
.news-section{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:22px}
.news-card{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--card-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-cat{
  position:absolute;left:14px;top:14px;
  font-size:11.5px;font-weight:600;color:var(--ink);
  background:rgba(255,255,255,.94);border-radius:999px;padding:4px 12px;
}
.news-body{padding:22px 24px 24px}
.news-body h3{
  font-size:20px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.news-card:hover .news-body h3{color:var(--primary)}
.news-excerpt{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12.5px;color:var(--ink-mute)}
.news-meta .sep{width:3px;height:3px;border-radius:50%;background:rgba(14,33,30,.25)}
.news-side{display:flex;flex-direction:column;gap:22px}
.news-mini{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;flex:1;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.news-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.mini-thumb{
  width:104px;height:88px;border-radius:14px;overflow:hidden;flex-shrink:0;background:var(--card-alt);
}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-body{min-width:0;display:flex;flex-direction:column}
.mini-tag{
  align-self:flex-start;font-size:11px;font-weight:600;color:var(--teal);
  background:rgba(15,124,116,.1);border-radius:999px;padding:2px 9px;margin-bottom:7px;
}
.news-mini h3{
  font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.news-mini:hover h3{color:var(--primary)}
.mini-time{font-size:12px;color:var(--ink-mute);margin-top:auto;padding-top:8px}
.news-empty{
  grid-column:1 / -1;
  min-height:220px;border:1px dashed rgba(14,33,30,.2);border-radius:var(--r-md);
  background:#FFFDFA;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px;
}
.news-empty svg{width:34px;height:34px;stroke:var(--primary);fill:none;stroke-width:1.6;stroke-linecap:round}
.news-empty p{font-size:15px;color:var(--ink-soft)}

/* ============ FAQ ============ */
.faq-section{background:#fff}
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(242,84,45,.28);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--card-alt);
  transition:transform var(--ease),background var(--ease);
}
.faq-icon svg{width:13px;height:13px;stroke:var(--primary);fill:none;stroke-width:2.4;stroke-linecap:round}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(242,84,45,.12)}
.faq-answer{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-soft)}

/* ============ CTA ============ */
.cta-section{padding:0 0 96px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:0 40px 70px -40px rgba(226,62,87,.7);
}
.cta-card::before{
  content:"";position:absolute;right:-60px;top:-90px;width:340px;height:340px;
  border-radius:50%;border:52px solid rgba(255,255,255,.1);
}
.cta-card::after{
  content:"";position:absolute;left:-40px;bottom:-120px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.08);
}
.cta-text{position:relative;z-index:1;max-width:640px}
.cta-text h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.3;color:#fff}
.cta-text p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86)}
.cta-action{position:relative;z-index:1;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,248,240,.78);padding-top:1px}
.footer-line{height:1px;background:linear-gradient(90deg,var(--primary),rgba(242,84,45,0) 70%)}
.footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;
  padding:64px 0 52px;
}
.footer-brand .logo-text{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.75;color:rgba(255,248,240,.62);max-width:26ch}
.socials{display:flex;gap:10px;margin-top:20px}
.social-btn{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,248,240,.18);display:grid;place-items:center;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.social-btn:hover{background:rgba(242,84,45,.9);border-color:transparent;transform:translateY(-2px)}
.social-btn svg{width:15px;height:15px;stroke:rgba(255,248,240,.85);fill:none;stroke-width:1.8}
.footer-col h4{
  font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(255,248,240,.5);margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,248,240,.78);transition:color var(--ease)}
.footer-col a:hover{color:var(--amber)}
.footer-contact li{font-size:14px;color:rgba(255,248,240,.62);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,248,240,.1);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:14px 28px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,248,240,.5);
}
.footer-bottom a{color:rgba(255,248,240,.6);transition:color var(--ease)}
.footer-bottom a:hover{color:var(--amber)}
.footer-links{display:flex;flex-wrap:wrap;gap:16px}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .quick-link{display:none}
  .search-box{width:200px}
  .nav-links{gap:14px}
  .nav-links a{font-size:13.5px}
}
@media (max-width:1023px){
  .nav-links,.search-box,.quick-link{display:none}
  .nav-toggle{display:grid}
  .nav-inner{justify-content:space-between}
  .nav-right .btn-sm{display:none}
  .section{padding:72px 0}
  .hero{padding:48px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:52px}
  .hero-media{justify-content:center;padding:0 30px 30px 0}
  .phone-card{width:min(100%,300px)}
  .news-grid{grid-template-columns:1fr}
  .news-side{flex-direction:row}
  .news-mini{flex:1}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .cta-action{width:100%}
  .cta-action .btn{width:100%}
  .footer-main{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 40px}
}
@media (max-width:767px){
  .clips{
    display:flex;overflow-x:auto;scroll-snap-type:x mandatory;
    gap:16px;padding-bottom:10px;margin:0 -24px;padding-left:24px;padding-right:24px;
    scrollbar-width:none;
  }
  .clips::-webkit-scrollbar{display:none}
  .clip{flex:0 0 74vw;aspect-ratio:3/4;grid-row:auto;height:auto;scroll-snap-align:start}
  .clip.is-feature{aspect-ratio:3/4}
  .list-wrap{grid-template-columns:1fr;gap:0}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat-card{padding:13px 12px}
  .stat-num{font-size:20px}
  .news-side{flex-direction:column}
  .voice-card{width:264px}
  .faq-item summary{padding:18px;font-size:15px}
  .faq-answer{padding:0 18px 18px}
}
@media (max-width:560px){
  .container{padding:0 20px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .hero-stats .stat-card:last-child{grid-column:1 / -1}
  .clips{margin:0 -20px;padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .hero{padding:36px 0 56px}
  .cta-card{padding:32px 22px;border-radius:22px}
  .footer-main{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{flex:1;min-width:150px}
  .news-body{padding:18px}
  .media-sub{width:120px;top:-10px;right:-6px}
  .phone-caption h3{font-size:15px}
}

/* roulang page: article */
:root{
  --bg:#FFF8F0;
  --ink:#0E211E;
  --ink-soft:rgba(14,33,30,.68);
  --ink-mute:rgba(14,33,30,.48);
  --primary:#F2542D;
  --teal:#0F7C74;
  --mint:#7FD1C1;
  --honey:#FFC24B;
  --card:#FFFFFF;
  --card-alt:#FFF3E8;
  --line:rgba(14,33,30,.08);
  --grad:linear-gradient(135deg,#FF7A3D 0%,#F2542D 45%,#E23E57 100%);
  --wave:linear-gradient(180deg,rgba(127,209,193,.28),rgba(255,248,240,0));
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 18px 48px -28px rgba(14,33,30,.22);
  --shadow-hover:0 28px 60px -28px rgba(14,33,30,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
:focus-visible{
  outline:3px solid rgba(242,84,45,.32);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,248,240,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 14px 34px -24px rgba(14,33,30,.45);
  background:rgba(255,248,240,.94);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:36px;
  height:36px;
  border-radius:12px;
  background:var(--grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 22px -14px rgba(242,84,45,.9);
}
.logo-mark svg{
  width:21px;
  height:21px;
  fill:none;
  stroke:#fff;
  stroke-width:1.9;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.logo-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.logo-text em{
  font-style:normal;
  color:var(--primary);
  margin:0 2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-soft);
  padding:6px 0;
  transition:color .25s var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:0;right:0;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:260px;
  height:40px;
  padding:0 12px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 10px 26px -24px rgba(14,33,30,.6);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cmd-search:focus-within{
  border-color:rgba(242,84,45,.5);
  box-shadow:0 0 0 3px rgba(242,84,45,.14);
}
.cmd-search svg{
  width:16px;height:16px;flex-shrink:0;
  fill:none;stroke:var(--ink-mute);stroke-width:2;stroke-linecap:round;
}
.cmd-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--ink);
  outline:none;
}
.cmd-search input::placeholder{color:var(--ink-mute);}
.kbd{
  font-size:11px;
  font-weight:600;
  color:var(--ink-mute);
  background:rgba(14,33,30,.07);
  border-radius:6px;
  padding:2px 6px;
  flex-shrink:0;
}
.quick-link{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-soft);
  transition:color .25s var(--ease);
  white-space:nowrap;
}
.quick-link:hover{color:var(--primary);}
.quick-link svg{
  width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  height:40px;
  padding:0 22px;
  cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 16px 34px -20px rgba(242,84,45,.85);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid rgba(14,33,30,.16);
}
.btn-ghost:hover{background:var(--card-alt);transform:translateY(-2px);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,33,30,.45);
  opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);
  background:var(--bg);
  z-index:80;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
  box-shadow:-20px 0 60px -30px rgba(14,33,30,.6);
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:36px;height:36px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.drawer .cmd-search{width:100%;margin-bottom:16px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;
  height:48px;
  font-size:15px;font-weight:500;
  color:var(--ink-soft);
  border-bottom:1px dashed rgba(14,33,30,.1);
  transition:color .25s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);}
.drawer .btn{margin-top:auto;width:100%;margin-top:24px;}

/* ---------- breadcrumb ---------- */
.breadcrumb-wrap{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(127,209,193,.14),rgba(255,248,240,0));
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0;
  font-size:13px;
  color:var(--ink-mute);
}
.breadcrumb a{color:var(--ink-mute);transition:color .25s var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(14,33,30,.28);}
.breadcrumb .current{color:var(--primary);font-weight:600;}

/* ---------- article layout ---------- */
.article-wrap{padding:44px 0 96px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:48px;
  align-items:start;
}
.article-main{min-width:0;}
.article-head{padding-bottom:8px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  background:rgba(127,209,193,.24);
  color:var(--teal);
  font-size:13px;font-weight:600;
}
.tag-honey{background:rgba(255,194,75,.2);color:#8a5a00;}
.article-head h1{
  margin:18px 0 0;
  font-size:clamp(30px,3.4vw,44px);
  font-weight:800;
  line-height:1.35;
  letter-spacing:-.02em;
  color:var(--ink);
  word-break:break-word;
}
.head-rule{
  width:48px;height:3px;border-radius:3px;
  background:var(--grad);
  margin:22px 0 20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13px;
  color:var(--ink-mute);
  padding-bottom:26px;
  border-bottom:1px solid var(--line);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(14,33,30,.22);}
.article-meta strong{color:var(--ink-soft);font-weight:600;}

/* ---------- article body ---------- */
.article-body{
  max-width:760px;
  padding-top:34px;
  font-size:17px;
  line-height:1.9;
  color:rgba(14,33,30,.88);
  word-break:break-word;
  overflow-wrap:anywhere;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:26px;
  font-weight:700;
  line-height:1.4;
  color:var(--ink);
  margin:46px 0 18px;
  padding-left:16px;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#FF7A3D,#E23E57);
}
.article-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  margin:32px 0 12px;
  scroll-margin-top:96px;
}
.article-body h4{
  font-size:17px;font-weight:600;color:var(--ink);margin:24px 0 10px;
}
.article-body p{margin:0 0 1.2em;}
.article-body a{
  color:var(--teal);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--primary);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body img{
  border-radius:16px;
  margin:28px auto;
  box-shadow:var(--shadow);
}
.article-body figure{margin:28px 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--ink-mute);margin-top:10px;
}
.article-body blockquote{
  margin:28px 0;
  padding:18px 22px;
  background:var(--card-alt);
  border-left:3px solid var(--primary);
  border-radius:12px;
  color:var(--ink-soft);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.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:0 0 .5em;}
.article-body ul li::marker{color:var(--primary);}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  background:#fff;
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.article-body th{
  background:var(--card-alt);
  text-align:left;
  font-weight:600;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
}
.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  color:var(--ink-soft);
}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{
  border:0;height:1px;background:var(--line);margin:36px 0;
}

.empty-state{
  border:1px dashed rgba(14,33,30,.2);
  border-radius:20px;
  padding:56px 28px;
  text-align:center;
  background:#fff;
}
.empty-state svg{
  width:44px;height:44px;margin:0 auto 16px;
  fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
}
.empty-state p{font-size:15px;color:var(--ink-soft);margin-bottom:20px;}

/* ---------- article foot ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;color:var(--ink-soft);
  transition:.25s var(--ease);
}
.chip:hover{border-color:rgba(242,84,45,.5);color:var(--primary);transform:translateY(-2px);}

.next-cards{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin-top:28px;
}
.next-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--shadow);
  transition:.25s var(--ease);
}
.next-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.28);}
.next-card .eyebrow{font-size:13px;color:var(--ink-mute);margin-bottom:6px;}
.next-card h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;transition:color .25s var(--ease);}
.next-card:hover h3{color:var(--primary);}
.next-card p{font-size:14px;color:var(--ink-mute);line-height:1.65;margin-top:8px;}

.related{
  margin-top:56px;
  padding-top:8px;
}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  letter-spacing:.06em;
  margin-bottom:10px;
}
.section-label::before{
  content:"";width:16px;height:3px;border-radius:3px;background:var(--grad);
}
.related h2{
  font-size:clamp(22px,2.4vw,28px);
  font-weight:700;
  line-height:1.3;
  color:var(--ink);
  margin-bottom:22px;
}
.related-grid{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:18px;
}
.related-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:.28s var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.related-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--card-alt);
}
.related-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s var(--ease);
}
.related-card:hover .thumb img{transform:scale(1.04);}
.related-card .body{padding:18px 20px 22px;}
.related-card h3{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  transition:color .25s var(--ease);
}
.related-card:hover h3{color:var(--primary);}
.related-card p{font-size:14px;line-height:1.65;color:var(--ink-mute);margin-top:8px;}
.related-stack{display:grid;gap:18px;}
.related-stack .related-card .thumb{aspect-ratio:16/10;}

.back-row{margin-top:40px;}

/* ---------- sidebar ---------- */
.sidebar{
  position:sticky;
  top:96px;
  display:grid;
  gap:20px;
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--shadow);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
}
.side-card h3::before{
  content:"";width:14px;height:3px;border-radius:3px;background:var(--grad);
}
.toc-list{display:grid;gap:2px;}
.toc-link{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--ink-soft);
  padding:7px 10px;
  border-left:2px solid rgba(14,33,30,.1);
  border-radius:0 8px 8px 0;
  transition:.22s var(--ease);
}
.toc-link:hover{color:var(--primary);background:var(--card-alt);}
.toc-link.is-active{
  color:var(--primary);
  border-left-color:var(--primary);
  background:var(--card-alt);
  font-weight:600;
}
.toc-empty{font-size:13px;color:var(--ink-mute);line-height:1.7;}
.side-links{display:grid;gap:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;color:var(--ink-soft);
  padding:10px 12px;
  border-radius:12px;
  background:var(--card-alt);
  transition:.22s var(--ease);
}
.side-links a:hover{background:#FFE9D6;color:var(--primary);transform:translateX(2px);}
.side-links svg{
  width:14px;height:14px;flex-shrink:0;
  fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
}
.side-cta{
  background:var(--grad);
  border:0;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.side-cta::after{
  content:"";
  position:absolute;right:-40px;bottom:-50px;
  width:150px;height:150px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:rgba(255,255,255,.85);}
.side-cta p{
  font-size:14px;line-height:1.7;color:rgba(255,255,255,.88);
  margin-bottom:16px;position:relative;z-index:1;
}
.side-cta .btn{
  width:100%;
  background:#fff;color:var(--ink);
  position:relative;z-index:1;
}
.side-cta .btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px -18px rgba(14,33,30,.5);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,248,240,.82);
  margin-top:0;
  padding-bottom:8px;
}
.footer-line{
  height:1px;
  background:linear-gradient(90deg,rgba(242,84,45,.9),rgba(255,194,75,.35),rgba(14,33,30,0));
}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:60px 0 44px;
}
.footer-brand .logo-text{color:#FFF8F0;}
.footer-desc{
  font-size:14px;
  line-height:1.7;
  color:rgba(255,248,240,.6);
  margin:16px 0 18px;
}
.socials{display:flex;gap:10px;}
.social-btn{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,248,240,.08);
  border:1px solid rgba(255,248,240,.12);
}
.social-btn svg{
  width:16px;height:16px;
  fill:none;stroke:rgba(255,248,240,.72);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
}
.footer-col h4{
  font-size:15px;font-weight:700;color:#FFF8F0;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14px;color:rgba(255,248,240,.62);
  transition:color .25s var(--ease);
}
.footer-col a:hover{color:#FFC24B;}
.footer-contact li{
  font-size:13px;line-height:1.7;color:rgba(255,248,240,.58);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,248,240,.1);
  font-size:13px;
  color:rgba(255,248,240,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:rgba(255,248,240,.55);transition:color .25s var(--ease);}
.footer-links a:hover{color:#FFC24B;}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-links{gap:20px;}
  .cmd-search{width:210px;}
  .quick-link{display:none;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .cmd-search{display:none;}
  .header-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-layout{grid-template-columns:1fr;gap:40px;}
  .sidebar{position:static;top:auto;}
  .article-body{max-width:100%;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px;}
  .related-grid{grid-template-columns:1fr;}
  .related-stack{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .article-wrap{padding:32px 0 72px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .article-body h2{font-size:22px;margin-top:38px;}
  .article-body h3{font-size:18.5px;}
  .next-cards{grid-template-columns:1fr;}
  .related-stack{grid-template-columns:1fr;}
  .related{margin-top:44px;}
}
@media (max-width:520px){
  .header-inner{height:62px;gap:12px;}
  .logo-text{font-size:15.5px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;}
  .logo-mark svg{width:18px;height:18px;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-head h1{font-size:26px;}
  .empty-state{padding:40px 18px;}
  .btn-lg{height:48px;padding:0 22px;font-size:15px;width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#FFF8F0;
  --ink:#0E211E;
  --ink-soft:#42574F;
  --ink-mute:#6E817B;
  --primary:#F2542D;
  --teal:#0F7C74;
  --mint:#7FD1C1;
  --amber:#FFC24B;
  --card:#FFFFFF;
  --card-alt:#FFF3E8;
  --border:rgba(14,33,30,.08);
  --border-strong:rgba(14,33,30,.16);
  --grad:linear-gradient(135deg,#FF7A3D 0%,#F2542D 45%,#E23E57 100%);
  --wave:linear-gradient(180deg,rgba(127,209,193,.28),rgba(255,248,240,0));
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 18px 48px -28px rgba(14,33,30,.22);
  --shadow-hover:0 24px 56px -26px rgba(14,33,30,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body.site-body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (max-width:640px){.container{padding:0 20px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,240,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 34px -26px rgba(14,33,30,.55);background:rgba(255,248,240,.94);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 10px 20px -12px rgba(242,84,45,.9);
  transition:transform .25s var(--ease);
}
.logo:hover .logo-mark{transform:translateY(-2px) rotate(-3deg);}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;}
.logo-text{white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--primary);margin:0 1px;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--ink-soft);
  transition:color .25s var(--ease);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--grad);opacity:0;transform:scaleX(.5);
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.nav-links a:hover{color:var(--primary);}
.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{opacity:1;transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:268px;padding:0 10px 0 14px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);
  box-shadow:0 10px 24px -22px rgba(14,33,30,.6);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.command-search:focus-within{border-color:rgba(242,84,45,.55);box-shadow:0 0 0 3px rgba(242,84,45,.16);}
.command-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-mute);stroke-width:1.8;flex-shrink:0;}
.command-search input{
  flex:1;min-width:0;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--ink);
}
.command-search input::placeholder{color:#9AA8A3;}
.kbd{
  font-size:11px;font-weight:600;color:var(--ink-mute);
  background:#F2EEE8;border-radius:7px;padding:2px 6px;white-space:nowrap;
}
.quick-link{
  display:inline-flex;align-items:center;gap:4px;
  font-size:14px;color:var(--ink-soft);white-space:nowrap;
  transition:color .25s var(--ease);
}
.quick-link:hover{color:var(--primary);}
.quick-link svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,84,45,.22);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 16px 30px -18px rgba(242,84,45,.9);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 22px 38px -18px rgba(242,84,45,.95);}
.btn-ghost{background:transparent;border-color:var(--border-strong);color:var(--ink);}
.btn-ghost:hover{background:var(--card-alt);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-md{height:48px;padding:0 24px;font-size:15px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:.25s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* Mobile drawer */
.mobile-drawer{
  display:none;position:fixed;inset:68px 0 0 0;z-index:70;
  background:var(--bg);padding:20px 20px 32px;
  overflow-y:auto;
}
.mobile-drawer.open{display:block;}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 16px;margin-bottom:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);
}
.drawer-search svg{width:16px;height:16px;fill:none;stroke:var(--ink-mute);stroke-width:1.8;}
.drawer-search input{flex:1;border:0;outline:none;background:transparent;font-size:15px;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--border);
}
.drawer-nav a.active{color:var(--primary);}
.drawer-cta{margin-top:22px;display:block;width:100%;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:54px 0 44px;
  background:linear-gradient(180deg,rgba(127,209,193,.20) 0%,rgba(255,248,240,0) 72%);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.10;
}
.page-head .container{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-mute);margin-bottom:22px;}
.crumbs a{color:var(--ink-mute);transition:color .25s var(--ease);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:var(--primary);font-weight:600;}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(255,194,75,.18);border-radius:var(--radius-pill);
  padding:5px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
h1.page-title{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.16;letter-spacing:-.02em;font-weight:800;
  margin:0 0 18px;word-break:break-word;
}
h1.page-title .hl{color:var(--primary);}
.page-sub{font-size:16px;line-height:1.8;color:var(--ink-soft);margin:0 0 24px;max-width:56ch;}
.anchor-chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
.anchor-chips::-webkit-scrollbar{display:none;}
.anchor-chips a{
  flex-shrink:0;font-size:13.5px;font-weight:500;color:var(--ink-soft);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);
  padding:8px 16px;transition:.25s var(--ease);
}
.anchor-chips a:hover{color:var(--primary);border-color:rgba(242,84,45,.4);transform:translateY(-2px);box-shadow:var(--shadow);}
.head-badges{display:grid;grid-template-columns:1fr;gap:12px;}
.badge-card{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:16px 20px;box-shadow:var(--shadow);
}
.badge-num{
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;
  font-size:26px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-desc{font-size:13px;line-height:1.5;color:var(--ink-soft);}

/* ---------- Content layout ---------- */
.content-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 336px;
  gap:48px;align-items:start;padding-top:56px;padding-bottom:8px;
}
.content-main{min-width:0;}
.section-block{margin-bottom:56px;}
.section-block:last-child{margin-bottom:0;}
h2.block-title{
  position:relative;font-size:clamp(23px,2.4vw,30px);font-weight:700;line-height:1.3;
  letter-spacing:-.01em;margin:0 0 18px;padding-left:16px;
}
h2.block-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--grad);
}
h3.step-title{font-size:19px;font-weight:600;line-height:1.45;margin:0 0 6px;color:var(--ink);}
.prose p{font-size:16.5px;line-height:1.9;color:var(--ink-soft);margin:0 0 18px;}
.prose p:last-child{margin-bottom:0;}
.prose strong{color:var(--ink);font-weight:600;}
.step-list{list-style:none;margin:8px 0 0;padding:0;position:relative;}
.step-list::before{
  content:"";position:absolute;left:17px;top:18px;bottom:18px;width:2px;
  background:linear-gradient(180deg,var(--mint),rgba(127,209,193,.15));border-radius:2px;
}
.step-item{position:relative;display:flex;gap:18px;padding:0 0 26px;}
.step-item:last-child{padding-bottom:0;}
.step-dot{
  position:relative;z-index:1;flex-shrink:0;width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
  font-family:"Inter",ui-sans-serif,sans-serif;
  box-shadow:0 10px 20px -12px rgba(242,84,45,.9);
}
.step-item p{font-size:15.5px;line-height:1.85;color:var(--ink-soft);margin:0;}
.figure{margin:26px 0;}
.figure img{
  width:100%;height:auto;border-radius:var(--radius-md);
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:transform .3s var(--ease);
}
.figure:hover img{transform:translateY(-3px);}
.figure figcaption{font-size:13px;color:var(--ink-mute);text-align:center;margin-top:10px;}
.tip-card{
  display:flex;gap:14px;margin:24px 0;
  background:var(--card-alt);border-left:3px solid var(--primary);
  border-radius:var(--radius-sm);padding:18px 20px;
}
.tip-card .tip-ico{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;background:#fff;
  display:flex;align-items:center;justify-content:center;border:1px solid var(--border);
}
.tip-card .tip-ico svg{width:15px;height:15px;fill:none;stroke:var(--primary);stroke-width:2;stroke-linecap:round;}
.tip-card p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-soft);}
.tip-card.warn{background:rgba(242,84,45,.07);border-left-color:#E23E57;}
.tip-card.warn .tip-ico svg{stroke:#E23E57;}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.check-list li{
  position:relative;padding:14px 18px 14px 46px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:15px;line-height:1.75;color:var(--ink-soft);
  transition:.25s var(--ease);
}
.check-list li::before{
  content:"";position:absolute;left:18px;top:22px;width:14px;height:8px;
  border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);
  transform:rotate(-45deg);border-radius:1px;
}
.check-list li:hover{background:var(--card-alt);transform:translateX(3px);}
.inline-link{color:var(--primary);font-weight:600;border-bottom:1px solid rgba(242,84,45,.3);transition:.25s var(--ease);}
.inline-link:hover{border-bottom-color:var(--primary);}

/* ---------- Sidebar ---------- */
.content-side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px 22px 20px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:15px;font-weight:700;margin:0 0 14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--grad);}
.index-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;}
.index-list a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--ink-soft);transition:.2s var(--ease);
}
.index-list a span.num{
  font-family:"Inter",ui-sans-serif,sans-serif;font-size:12px;font-weight:700;color:var(--teal);
  min-width:18px;
}
.index-list a:hover{background:var(--card-alt);color:var(--primary);}
.side-links{display:grid;gap:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 14px;border-radius:12px;background:#FFFDFA;border:1px solid var(--border);
  font-size:14px;color:var(--ink-soft);transition:.25s var(--ease);
}
.side-links a svg{width:14px;height:14px;fill:none;stroke:var(--ink-mute);stroke-width:2;transition:.25s var(--ease);}
.side-links a:hover{background:var(--card-alt);color:var(--primary);transform:translateY(-2px);border-color:rgba(242,84,45,.28);}
.side-links a:hover svg{stroke:var(--primary);transform:translateX(3px);}
.side-cta{
  background:var(--grad);border-radius:var(--radius-md);padding:24px 22px;color:#fff;
  box-shadow:0 22px 44px -26px rgba(242,84,45,.9);
}
.side-cta h3{font-size:17px;font-weight:700;margin:0 0 8px;color:#fff;}
.side-cta h3::before{display:none;}
.side-cta p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.86);margin:0 0 16px;}
.side-cta .btn{width:100%;background:#fff;color:var(--ink);box-shadow:0 12px 24px -18px rgba(0,0,0,.6);}
.side-cta .btn:hover{filter:brightness(1.02);}

/* ---------- Related categories ---------- */
.related-wrap{padding-top:24px;padding-bottom:8px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px;}
.section-head .tag{
  font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.04em;
  display:block;margin-bottom:8px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;margin:0;}
.section-head .more{font-size:14px;font-weight:600;color:var(--teal);display:inline-flex;align-items:center;gap:6px;transition:color .25s var(--ease);}
.section-head .more:hover{color:var(--primary);}
.rel-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px;}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.rel-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--card-alt);}
.rel-card:first-child .rel-thumb{aspect-ratio:16/11;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-body h3{font-size:17px;font-weight:600;margin:0;line-height:1.45;transition:color .25s var(--ease);}
.rel-card:hover .rel-body h3{color:var(--primary);}
.rel-body p{font-size:14px;line-height:1.65;color:var(--ink-soft);margin:0;}
.rel-meta{font-size:13px;color:var(--ink-mute);margin-top:auto;display:flex;align-items:center;gap:8px;}
.pill{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:var(--radius-pill);
  background:rgba(15,124,116,.10);color:var(--teal);
}
.pill.amber{background:rgba(255,194,75,.22);color:#8A5A00;}

/* ---------- FAQ ---------- */
.faq-wrap{padding-top:64px;padding-bottom:8px;}
.faq-grid{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:48px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .25s var(--ease);
}
.faq-item.open{border-color:rgba(242,84,45,.28);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(242,84,45,.20);border-radius:16px;}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;position:relative;
  transition:transform .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-item.open .faq-a{max-height:360px;}
.faq-a p{margin:0;padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-soft);}

/* ---------- CTA ---------- */
.cta-wrap{padding-top:72px;padding-bottom:80px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad);padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 30px 60px -34px rgba(242,84,45,.85);
}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.18;
  background:
    radial-gradient(circle at 88% 10%,rgba(255,255,255,.6) 0,transparent 42%),
    radial-gradient(circle at 12% 92%,rgba(255,194,75,.7) 0,transparent 46%);
}
.cta-text{position:relative;z-index:1;max-width:560px;}
.cta-text h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;color:#fff;margin:0 0 12px;letter-spacing:-.01em;}
.cta-text p{margin:0;font-size:15px;line-height:1.8;color:rgba(255,255,255,.88);}
.cta-card .btn{position:relative;z-index:1;background:#fff;color:var(--ink);flex-shrink:0;box-shadow:0 16px 32px -20px rgba(0,0,0,.7);}
.cta-card .btn:hover{transform:translateY(-2px);filter:brightness(1.02);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#FFF8F0;margin-top:8px;}
.footer-line{height:1px;background:linear-gradient(90deg,var(--primary) 0%,rgba(242,84,45,.15) 45%,transparent 100%);}
.footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand .logo{color:#FFF8F0;font-size:17px;}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,248,240,.62);margin:16px 0 20px;max-width:30ch;}
.socials{display:flex;gap:10px;}
.social-btn{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,248,240,.08);border:1px solid rgba(255,248,240,.12);
  transition:.25s var(--ease);
}
.social-btn svg{width:16px;height:16px;fill:none;stroke:rgba(255,248,240,.8);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.social-btn:hover{background:rgba(242,84,45,.22);border-color:rgba(242,84,45,.5);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:700;color:#FFF8F0;margin:0 0 16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col ul a{font-size:13.5px;color:rgba(255,248,240,.62);transition:color .25s var(--ease);}
.footer-col ul a:hover{color:var(--amber);}
.footer-contact li{font-size:13px;line-height:1.75;color:rgba(255,248,240,.55);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0 26px;border-top:1px solid rgba(255,248,240,.10);
  font-size:13px;color:rgba(255,248,240,.6);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:rgba(255,248,240,.6);transition:color .25s var(--ease);}
.footer-links a:hover{color:var(--amber);}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .command-search{width:210px;}
  .quick-link{display:none;}
}
@media (max-width:1023px){
  .nav-links,.command-search{display:none;}
  .nav-toggle{display:flex;}
  .header-tools .btn-sm{display:none;}
  .page-head-grid{grid-template-columns:1fr;gap:28px;}
  .head-badges{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
  .badge-card{flex-direction:column;align-items:flex-start;gap:8px;padding:14px 16px;}
  .content-layout{grid-template-columns:1fr;gap:36px;padding-top:40px;}
  .content-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;}
  .side-cta{grid-column:1 / -1;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px;}
}
@media (max-width:767px){
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px 26px;gap:22px;}
  .cta-card .btn{width:100%;}
  .rel-grid{grid-template-columns:1fr;}
  .content-side{grid-template-columns:1fr;}
  .section-block{margin-bottom:44px;}
  .faq-wrap{padding-top:48px;}
  .cta-wrap{padding-top:56px;padding-bottom:60px;}
}
@media (max-width:520px){
  .header-inner{height:62px;gap:12px;}
  .mobile-drawer{inset:62px 0 0 0;}
  .logo-text{font-size:15px;}
  .logo-mark{width:30px;height:30px;border-radius:10px;}
  .head-badges{grid-template-columns:1fr;}
  .badge-card{flex-direction:row;align-items:center;gap:14px;}
  .footer-main{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .prose p{font-size:16px;}
  .page-head{padding:38px 0 34px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg:#FFF8F0;
  --bg-alt:#FFF3E8;
  --ink:#0E211E;
  --ink-2:#3C4F4B;
  --ink-3:#6E7F7B;
  --coral:#F2542D;
  --lake:#0F7C74;
  --mint:#7FD1C1;
  --honey:#FFC24B;
  --card:#FFFFFF;
  --line:rgba(14,33,30,.08);
  --line-strong:rgba(14,33,30,.14);
  --grad:linear-gradient(135deg,#FF7A3D 0%,#F2542D 45%,#E23E57 100%);
  --wave:linear-gradient(180deg,rgba(127,209,193,.28),rgba(255,248,240,0));
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 18px 48px -28px rgba(14,33,30,.22);
  --shadow-hover:0 26px 60px -28px rgba(14,33,30,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:3px solid rgba(242,84,45,.28);outline-offset:3px;border-radius:10px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,240,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.scrolled{box-shadow:0 12px 30px -22px rgba(14,33,30,.45);background:rgba(255,248,240,.94)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 8px 18px -10px rgba(242,84,45,.85);
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--coral);margin:0 2px}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-links a:hover{color:var(--coral)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--coral);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:262px;
  padding:0 10px 0 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);box-shadow:0 10px 26px -24px rgba(14,33,30,.6);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.search-box:focus-within{border-color:rgba(242,84,45,.5);box-shadow:0 0 0 3px rgba(242,84,45,.14)}
.search-box svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:1.8;stroke-linecap:round}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);width:100%}
.search-box input::placeholder{color:#9AA7A4}
.kbd{
  font-size:11px;line-height:1;color:var(--ink-3);background:var(--bg-alt);
  border:1px solid var(--line);border-radius:7px;padding:5px 6px;white-space:nowrap;
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;
}
.quick-link{display:inline-flex;align-items:center;gap:5px;font-size:14px;color:var(--ink-2)}
.quick-link svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.quick-link:hover{color:var(--coral)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 16px 30px -18px rgba(242,84,45,.9)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 22px 38px -18px rgba(242,84,45,.95)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:var(--bg-alt);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px}
.btn-block{width:100%}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;place-items:center;
}
.burger svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.mobile-drawer{
  display:none;position:fixed;inset:68px 0 0 0;z-index:75;
  background:var(--bg);padding:20px 20px 32px;overflow-y:auto;
}
.mobile-drawer.open{display:block}
.mobile-drawer .search-box{width:100%;margin-bottom:16px}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:20px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:16px;color:var(--ink);border-bottom:1px dashed var(--line-strong);
}
.drawer-nav a.active{color:var(--coral);font-weight:600}
.drawer-nav a svg{width:14px;height:14px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:8px}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--coral)}
.crumbs .sep{color:rgba(14,33,30,.24)}
.crumbs .now{color:var(--coral);font-weight:600}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:40px 0 72px}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-60px;width:620px;height:620px;
  background:radial-gradient(circle at 50% 50%,rgba(127,209,193,.22),rgba(255,248,240,0) 68%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:200px;background:var(--wave);opacity:.5;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(255,194,75,.16);color:#7A5200;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--coral)}
.page-title{
  font-size:clamp(34px,4.4vw,54px);font-weight:800;line-height:1.14;letter-spacing:-.02em;
  margin:20px 0 0;
}
.page-title .accent{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px}
.hero-rule{width:52px;height:3px;border-radius:3px;background:var(--grad);margin-top:24px}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stat-badge{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 18px;
  box-shadow:var(--shadow);min-width:124px;
}
.stat-badge b{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em;font-family:"Inter",ui-sans-serif,sans-serif;color:var(--ink)}
.stat-badge span{font-size:13px;color:var(--ink-3);line-height:1.5}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.anchor-chips a{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);
  transition:all .25s var(--ease);
}
.anchor-chips a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}
.anchor-chips a:hover{border-color:rgba(242,84,45,.45);color:var(--coral);transform:translateY(-2px);box-shadow:var(--shadow)}
.anchor-chips a:hover::before{background:var(--coral)}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);border:4px solid #fff;
  aspect-ratio:4/5;background:var(--bg-alt);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .float-card{
  position:absolute;left:-18px;bottom:22px;background:#fff;border-radius:16px;padding:12px 16px;
  box-shadow:var(--shadow-hover);display:flex;align-items:center;gap:10px;border:1px solid var(--line);
}
.hero-visual .float-card .ring{
  width:34px;height:34px;border-radius:50%;background:rgba(15,124,116,.12);display:grid;place-items:center;
}
.hero-visual .float-card .ring svg{width:18px;height:18px;fill:none;stroke:var(--lake);stroke-width:2;stroke-linecap:round}
.hero-visual .float-card b{font-size:14px;display:block;line-height:1.3}
.hero-visual .float-card span{font-size:12px;color:var(--ink-3)}

/* ---------- section heading ---------- */
.sec-tag{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--coral);
  letter-spacing:.08em;margin-bottom:12px;
}
.sec-tag::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--grad)}
.sec-title{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.sec-desc{margin-top:12px;color:var(--ink-2);font-size:16px;max-width:640px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- filters ---------- */
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  height:40px;padding:0 18px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);font-weight:500;transition:all .25s var(--ease);
}
.chip:hover{border-color:rgba(242,84,45,.4);color:var(--coral);transform:translateY(-2px)}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:0 14px 26px -18px rgba(14,33,30,.9)}

/* ---------- content layout ---------- */
.content-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:44px;align-items:start}

/* ---------- waterfall ---------- */
.waterfall{column-count:3;column-gap:22px}
.v-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;
  display:block;margin:0 0 22px;background:#fff;border:1px solid var(--line);
  border-radius:22px;overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.28)}
.v-thumb{position:relative;overflow:hidden;background:var(--bg-alt)}
.v-thumb.tall{aspect-ratio:9/13}
.v-thumb.mid{aspect-ratio:4/3}
.v-thumb.short{aspect-ratio:1/1}
.v-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.v-card:hover .v-thumb img{transform:scale(1.04)}
.v-num{
  position:absolute;left:12px;top:12px;background:rgba(14,33,30,.62);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.06em;padding:4px 10px;border-radius:999px;
  backdrop-filter:blur(4px);font-family:"Inter",ui-sans-serif,sans-serif;
}
.v-badge{
  position:absolute;right:12px;top:12px;background:#fff;color:var(--ink);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  box-shadow:0 8px 18px -12px rgba(14,33,30,.6);
}
.v-play{
  position:absolute;left:50%;top:50%;width:48px;height:48px;border-radius:50%;
  background:#fff;display:grid;place-items:center;transform:translate(-50%,-50%) scale(.6);
  opacity:0;transition:all .25s var(--ease);box-shadow:0 14px 28px -14px rgba(14,33,30,.6);
}
.v-play::before{
  content:"";width:0;height:0;border-left:13px solid var(--coral);
  border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:3px;
}
.v-card:hover .v-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.v-body{padding:18px 18px 20px}
.v-body h3{font-size:18px;font-weight:600;line-height:1.4;transition:color .25s var(--ease)}
.v-card:hover .v-body h3{color:var(--coral)}
.v-body p{margin-top:8px;font-size:14px;line-height:1.65;color:var(--ink-2)}
.v-meta{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--ink-3)}
.v-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(15,124,116,.1);color:var(--lake);font-size:12px;font-weight:600;
}
.v-cat.warm{background:rgba(242,84,45,.1);color:var(--coral)}
.v-cat.gold{background:rgba(255,194,75,.2);color:#8A5B00}
.v-cat.mint{background:rgba(127,209,193,.22);color:#0B5F58}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:16px;font-weight:700;letter-spacing:.01em}
.side-card .side-sub{font-size:13px;color:var(--ink-3);margin-top:6px}
.index-list{margin-top:14px;display:flex;flex-direction:column}
.index-list a{
  display:flex;align-items:center;gap:10px;padding:11px 0;font-size:14px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.index-list a:last-child{border-bottom:0}
.index-list a i{
  font-style:normal;font-size:12px;font-weight:700;color:var(--coral);
  font-family:"Inter",ui-sans-serif,sans-serif;width:20px;flex:0 0 auto;
}
.index-list a:hover{color:var(--coral);transform:translateX(2px)}
.rel-list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.rel-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;background:var(--bg-alt);font-size:14px;color:var(--ink-2);
  transition:all .25s var(--ease);
}
.rel-list a svg{width:14px;height:14px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round}
.rel-list a:hover{background:#fff;border:1px solid rgba(242,84,45,.28);color:var(--coral);transform:translateX(2px)}
.mini-cta{
  border-radius:var(--r-md);padding:24px;color:#fff;background:var(--grad);position:relative;overflow:hidden;
  box-shadow:0 24px 48px -30px rgba(242,84,45,.95);
}
.mini-cta::after{
  content:"";position:absolute;right:-40px;bottom:-50px;width:150px;height:150px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.mini-cta h3{font-size:18px;font-weight:700;line-height:1.4;position:relative}
.mini-cta p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.86);margin-top:8px;position:relative}
.mini-cta .btn{margin-top:16px;background:#fff;color:var(--ink);width:100%;height:44px;position:relative}
.mini-cta .btn:hover{filter:none;background:#FFF3E8}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:36px}
.check-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:22px;box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.check-item .idx{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(15,124,116,.1);color:var(--lake);font-weight:800;font-size:14px;
  font-family:"Inter",ui-sans-serif,sans-serif;
}
.check-item h3{font-size:17px;font-weight:600}
.check-item p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--ink-2)}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:36px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:box-shadow .25s var(--ease)}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-alt);color:var(--ink-2);font-size:17px;font-weight:600;line-height:1;
  transition:transform .25s var(--ease),color .25s var(--ease),background .25s var(--ease);
}
.faq-item.open .plus{transform:rotate(45deg);color:var(--coral);background:rgba(242,84,45,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:52px 48px;
  background:var(--grad);color:#fff;box-shadow:0 30px 60px -34px rgba(242,84,45,.9);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:18px 18px;opacity:.28;pointer-events:none;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.28;position:relative}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.9);position:relative;max-width:560px}
.cta-band .btn{position:relative;background:#fff;color:var(--ink);height:52px;padding:0 28px}
.cta-band .btn:hover{background:#FFF3E8;transform:translateY(-2px)}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:20px;margin-top:36px}
.rel-card{
  position:relative;display:block;border-radius:var(--r-md);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rel-card .pic{position:relative;aspect-ratio:16/11;overflow:hidden;background:var(--bg-alt)}
.rel-card:first-child .pic{aspect-ratio:16/12}
.rel-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rel-card:hover .pic img{transform:scale(1.05)}
.rel-card .pic::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,33,30,0),rgba(14,33,30,.42));
}
.rel-card .txt{position:absolute;left:0;right:0;bottom:0;padding:16px 16px 18px;color:#fff}
.rel-card .txt span{font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.86)}
.rel-card .txt h3{font-size:17px;font-weight:700;margin-top:4px;line-height:1.35}
.rel-card:first-child .txt h3{font-size:20px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#FFF8F0;position:relative;margin-top:0}
.footer-line{height:1px;background:linear-gradient(90deg,var(--coral),rgba(242,84,45,0) 70%)}
.footer-main{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 44px;
}
.footer-brand .logo-text{color:#FFF8F0}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.75;color:rgba(255,248,240,.62);max-width:280px}
.socials{display:flex;gap:10px;margin-top:18px}
.social-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,248,240,.18);transition:all .25s var(--ease);
}
.social-btn svg{width:16px;height:16px;fill:none;stroke:rgba(255,248,240,.8);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.social-btn:hover{background:rgba(242,84,45,.2);border-color:rgba(242,84,45,.6);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:700;color:#FFF8F0;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,248,240,.68)}
.footer-col a:hover{color:var(--honey)}
.footer-contact li{font-size:13px;line-height:1.8;color:rgba(255,248,240,.62)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid rgba(255,248,240,.1);
  font-size:13px;color:rgba(255,248,240,.6);
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:rgba(255,248,240,.6)}
.footer-links a:hover{color:var(--honey)}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .quick-link{display:none}
  .search-box{width:220px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .search-box{display:none}
  .burger{display:grid}
  .header-actions .btn-primary{display:none}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:460px}
  .content-grid{grid-template-columns:1fr;gap:36px}
  .sidebar{position:static}
  .waterfall{column-count:2}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 36px}
  .section{padding:72px 0}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .page-hero{padding:28px 0 52px}
  .waterfall{column-count:1}
  .check-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 24px;border-radius:24px}
  .cta-band .btn{width:100%}
  .stat-badge{flex:1 1 45%;min-width:0}
  .footer-main{grid-template-columns:1fr}
  .hero-visual .float-card{left:8px}
  .faq-q{font-size:15px;padding:17px 18px}
  .faq-a p{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
    --bg:#FFF8F0;
    --ink:#0E211E;
    --ink-72:rgba(14,33,30,.72);
    --ink-60:rgba(14,33,30,.6);
    --ink-45:rgba(14,33,30,.45);
    --line:rgba(14,33,30,.08);
    --coral:#F2542D;
    --teal:#0F7C74;
    --mint:#7FD1C1;
    --honey:#FFC24B;
    --card:#FFFFFF;
    --card-alt:#FFF3E8;
    --r-xl:28px;
    --r-lg:20px;
    --r-md:16px;
    --r-sm:14px;
    --shadow:0 18px 48px -28px rgba(14,33,30,.22);
    --shadow-hover:0 24px 60px -26px rgba(14,33,30,.32);
    --grad:linear-gradient(135deg,#FF7A3D 0%,#F2542D 45%,#E23E57 100%);
    --ease:.25s cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

  /* ---------- header / nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,248,240,.84);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 12px 32px -20px rgba(14,33,30,.32);}
  .nav-inner{display:flex;align-items:center;gap:22px;height:68px;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
  .logo-mark{
    width:34px;height:34px;border-radius:11px;
    background:var(--grad);
    display:grid;place-items:center;
    box-shadow:0 10px 20px -12px rgba(242,84,45,.9);
  }
  .logo-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
  .logo-text em{font-style:normal;color:var(--coral);margin:0 2px;}
  .nav-links{display:flex;align-items:center;gap:26px;margin-left:6px;}
  .nav-links a{
    position:relative;font-size:15px;font-weight:500;
    color:var(--ink-72);padding:6px 0;
    transition:color var(--ease);
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--grad);transform:scaleX(0);transform-origin:left;
    transition:transform var(--ease);
  }
  .nav-links a:hover{color:var(--coral);}
  .nav-links a.active{color:var(--coral);font-weight:600;}
  .nav-links a.active::after{transform:scaleX(1);}
  .nav-links a:focus-visible{outline:2px solid rgba(242,84,45,.45);outline-offset:4px;border-radius:4px;}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
  .cmd-search{
    display:flex;align-items:center;gap:8px;
    width:250px;height:40px;padding:0 8px 0 14px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .cmd-search:focus-within{border-color:rgba(242,84,45,.5);box-shadow:0 0 0 3px rgba(242,84,45,.14);}
  .cmd-search svg{width:16px;height:16px;flex:none;fill:none;stroke:rgba(14,33,30,.42);stroke-width:1.8;stroke-linecap:round;}
  .cmd-search input{
    flex:1;min-width:0;border:0;outline:0;background:transparent;
    font-size:14px;color:var(--ink);
  }
  .cmd-search input::placeholder{color:rgba(14,33,30,.4);}
  .kbd{
    flex:none;font-size:11px;font-weight:600;line-height:1;
    color:rgba(14,33,30,.48);background:rgba(14,33,30,.06);
    border-radius:6px;padding:4px 6px;
  }
  .quick-link{
    display:inline-flex;align-items:center;gap:4px;
    font-size:14px;color:var(--ink-72);white-space:nowrap;
    transition:color var(--ease);
  }
  .quick-link svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
  .quick-link:hover{color:var(--coral);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border:1px solid transparent;border-radius:999px;font-weight:600;cursor:pointer;
    transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  }
  .btn:focus-visible{outline:3px solid rgba(242,84,45,.3);outline-offset:2px;}
  .btn-primary{
    height:40px;padding:0 20px;font-size:14px;color:#fff;
    background:var(--grad);
    box-shadow:0 14px 28px -18px rgba(242,84,45,.9);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 20px 34px -16px rgba(242,84,45,.75);}
  .btn-primary svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
  .btn-ghost{
    height:48px;padding:0 24px;font-size:15px;color:var(--ink);
    background:#fff;border-color:var(--line);box-shadow:var(--shadow);
  }
  .btn-ghost:hover{background:var(--card-alt);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .btn-white{
    height:52px;padding:0 28px;font-size:15px;font-weight:700;
    color:var(--ink);background:#fff;white-space:nowrap;
    box-shadow:0 18px 34px -20px rgba(14,33,30,.6);
  }
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 24px 40px -18px rgba(14,33,30,.6);}
  .nav-toggle{
    display:none;width:40px;height:40px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    align-items:center;justify-content:center;cursor:pointer;
    transition:background var(--ease),border-color var(--ease);
  }
  .nav-toggle:hover{background:var(--card-alt);border-color:rgba(242,84,45,.3);}
  .nav-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;}

  /* ---------- mobile drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;z-index:70;background:rgba(14,33,30,.45);
    opacity:0;pointer-events:none;transition:opacity var(--ease);
  }
  .mobile-drawer{
    position:fixed;top:0;right:0;bottom:0;z-index:80;
    width:min(88vw,360px);background:var(--bg);
    transform:translateX(105%);transition:transform .3s var(--ease);
    display:flex;flex-direction:column;gap:16px;
    padding:20px;overflow-y:auto;
  }
  body.drawer-open .mobile-drawer{transform:none;}
  body.drawer-open .drawer-mask{opacity:1;pointer-events:auto;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-close{
    width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
    background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
    display:grid;place-items:center;
  }
  .drawer-close:hover{background:var(--card-alt);}
  .drawer-search{width:100%;height:44px;}
  .drawer-links{display:flex;flex-direction:column;}
  .drawer-links a{
    display:flex;align-items:center;height:48px;font-size:15px;
    color:var(--ink-72);border-bottom:1px dashed var(--line);
    transition:color var(--ease),padding-left var(--ease);
  }
  .drawer-links a:hover{color:var(--coral);padding-left:6px;}
  .drawer-links a.active{color:var(--coral);font-weight:600;}
  .drawer-cta{margin-top:auto;width:100%;height:48px;font-size:15px;}

  /* ---------- breadcrumb ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--ink-45);padding:24px 0 0;
  }
  .breadcrumb a{color:var(--ink-60);transition:color var(--ease);}
  .breadcrumb a:hover{color:var(--coral);}
  .breadcrumb .sep{opacity:.5;}
  .breadcrumb .cur{color:var(--coral);font-weight:600;}

  /* ---------- page hero ---------- */
  .page-hero{position:relative;overflow:hidden;padding:26px 0 10px;}
  .hero-deco{
    position:absolute;right:-90px;top:-40px;width:460px;height:460px;
    background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
    opacity:.1;border-radius:50%;pointer-events:none;z-index:0;
  }
  .page-hero .container{position:relative;z-index:1;}
  .hero-grid{
    display:grid;grid-template-columns:1.15fr .85fr;
    gap:48px;align-items:center;padding:26px 0 8px;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--ink);
    background:rgba(255,194,75,.2);border-radius:999px;
    padding:6px 14px;margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);}
  h1{
    font-size:clamp(32px,4.2vw,52px);font-weight:800;line-height:1.15;
    letter-spacing:-.02em;margin-bottom:18px;
  }
  .hero-sub{font-size:16px;line-height:1.8;color:var(--ink-72);max-width:52ch;margin-bottom:8px;}
  .stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px;max-width:540px;}
  .stat{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
    padding:14px 16px;box-shadow:0 12px 30px -26px rgba(14,33,30,.5);
    transition:transform var(--ease),box-shadow var(--ease);
  }
  .stat:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
  .stat b{display:block;font-size:24px;font-weight:800;line-height:1.15;letter-spacing:-.02em;}
  .stat span{font-size:13px;color:var(--ink-60);line-height:1.5;display:block;margin-top:2px;}
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .chip{
    font-size:13px;font-weight:600;color:var(--ink-72);
    background:#fff;border:1px solid var(--line);border-radius:999px;
    padding:8px 16px;transition:color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .chip:hover{color:var(--coral);border-color:rgba(242,84,45,.4);transform:translateY(-2px);box-shadow:var(--shadow);}
  .hero-media{position:relative;}
  .hero-shot{
    position:relative;overflow:hidden;border-radius:var(--r-xl);
    aspect-ratio:4/5;box-shadow:var(--shadow);
    border:1px solid var(--line);
  }
  .hero-shot img{width:100%;height:100%;object-fit:cover;}
  .hero-shot::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(14,33,30,0) 45%,rgba(14,33,30,.6));
  }
  .hero-tag{
    position:absolute;left:16px;bottom:16px;z-index:2;
    background:rgba(255,248,240,.94);color:var(--ink);
    font-size:13px;font-weight:600;border-radius:999px;padding:8px 14px;
  }
  .hero-float{
    position:absolute;right:-10px;top:22px;z-index:2;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:10px 14px;box-shadow:var(--shadow);font-size:13px;font-weight:600;color:var(--ink);
  }
  .hero-float span{display:block;font-size:11px;font-weight:500;color:var(--ink-45);margin-top:2px;}

  /* ---------- section basics ---------- */
  .section{padding:64px 0;}
  .section-label{
    display:flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.08em;
    color:var(--coral);margin-bottom:12px;
  }
  .section-label::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--grad);}
  h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-bottom:12px;}
  .section-desc{font-size:15px;line-height:1.8;color:var(--ink-72);max-width:64ch;margin-bottom:32px;}

  /* ---------- layout ---------- */
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
  .side-col{position:sticky;top:96px;}

  /* ---------- timeline ---------- */
  .timeline{position:relative;margin-top:6px;}
  .timeline::before{
    content:"";position:absolute;left:23px;top:12px;bottom:14px;width:2px;border-radius:2px;
    background:linear-gradient(180deg,rgba(15,124,116,.5),rgba(127,209,193,.28) 62%,rgba(127,209,193,0));
  }
  .step{position:relative;padding-left:72px;padding-bottom:20px;}
  .step:last-child{padding-bottom:0;}
  .step-num{
    position:absolute;left:0;top:0;width:48px;height:48px;border-radius:16px;
    background:var(--grad);color:#fff;display:grid;place-items:center;
    font-size:15px;font-weight:800;letter-spacing:.02em;
    box-shadow:0 14px 26px -16px rgba(242,84,45,.9);z-index:1;
  }
  .step-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:22px 24px;box-shadow:0 16px 40px -34px rgba(14,33,30,.5);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.24);}
  .step-card h3{font-size:19px;font-weight:700;line-height:1.45;margin-bottom:8px;}
  .step-card p{font-size:15px;line-height:1.82;color:var(--ink-72);}
  .step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .tag{
    font-size:12px;font-weight:600;border-radius:999px;padding:4px 10px;
    background:rgba(15,124,116,.1);color:var(--teal);
  }
  .tag.honey{background:rgba(255,194,75,.24);color:#8a5b00;}
  .tag.coral{background:rgba(242,84,45,.1);color:#c33d1d;}
  .step-fig{margin-top:16px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);}
  .step-fig img{width:100%;aspect-ratio:16/7;object-fit:cover;transition:transform .35s var(--ease);}
  .step-card:hover .step-fig img{transform:scale(1.03);}

  /* ---------- sidebar ---------- */
  .side-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:22px;box-shadow:0 16px 40px -34px rgba(14,33,30,.5);margin-bottom:20px;
  }
  .side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;}
  .index-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:2px;}
  .index-list a{
    display:flex;align-items:center;gap:10px;font-size:14px;line-height:1.5;
    padding:9px 10px;border-radius:10px;color:var(--ink-72);
    transition:background var(--ease),color var(--ease),padding-left var(--ease);
  }
  .index-list a:hover{background:var(--card-alt);color:var(--coral);padding-left:14px;}
  .index-list a.is-current{color:var(--coral);font-weight:600;background:rgba(242,84,45,.07);}
  .index-num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink-45);font-size:12px;}
  .side-links{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;}
  .side-links a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:14px;color:var(--ink-72);padding:10px 12px;border-radius:12px;
    border:1px solid var(--line);background:var(--bg);
    transition:border-color var(--ease),color var(--ease),transform var(--ease);
  }
  .side-links a:hover{color:var(--coral);border-color:rgba(242,84,45,.35);transform:translateY(-2px);}
  .side-links .arrow{color:var(--coral);font-weight:700;}
  .side-card.cta{background:var(--grad);border:0;color:#fff;box-shadow:0 24px 50px -30px rgba(242,84,45,.9);}
  .side-card.cta h3{color:#fff;}
  .side-card.cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.88);margin-bottom:16px;}
  .side-card.cta .btn{width:100%;height:42px;font-size:14px;}

  /* ---------- prep block ---------- */
  .prep{
    display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;
    background:var(--card-alt);border:1px solid var(--line);border-radius:var(--r-xl);
    padding:32px;margin-top:8px;
  }
  .prep-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:14px;}
  .prep-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.8;color:var(--ink-72);}
  .prep-dot{
    flex:none;width:26px;height:26px;border-radius:9px;background:#fff;
    border:1px solid rgba(242,84,45,.3);color:var(--coral);
    display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px;
  }
  .prep-fig{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);}
  .prep-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;}

  /* ---------- pitfall cards ---------- */
  .pitfall-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .pitfall{
    background:#fff;border:1px solid var(--line);border-radius:18px;
    padding:20px 22px;box-shadow:0 16px 40px -36px rgba(14,33,30,.6);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .pitfall:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(15,124,116,.28);}
  .pitfall h3{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
  .pitfall h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--honey);flex:none;}
  .pitfall p{font-size:14px;line-height:1.78;color:var(--ink-72);}
  .pitfall.wide{grid-column:span 2;background:linear-gradient(180deg,#fff,var(--card-alt));}
  .pitfall.wide p{font-size:15px;}

  /* ---------- faq ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
  }
  .faq-item.is-open{border-color:rgba(242,84,45,.3);box-shadow:var(--shadow);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:transparent;border:0;text-align:left;cursor:pointer;
    font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
    padding:18px 20px;
  }
  .faq-q:focus-visible{outline:3px solid rgba(242,84,45,.3);outline-offset:-3px;border-radius:var(--r-md);}
  .faq-icon{
    flex:none;width:24px;height:24px;display:grid;place-items:center;
    font-size:18px;font-weight:600;color:var(--ink-45);
    transition:transform var(--ease),color var(--ease);
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--coral);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
  .faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-72);}
  .faq-item.is-open .faq-a{max-height:420px;}

  /* ---------- cta band ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-xl);
    background:var(--grad);color:#fff;
    padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
    box-shadow:0 30px 60px -34px rgba(242,84,45,.85);
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;bottom:-80px;width:320px;height:320px;
    border-radius:50%;border:32px solid rgba(255,255,255,.1);pointer-events:none;
  }
  .cta-band h2{color:#fff;margin-bottom:10px;font-size:clamp(22px,2.6vw,30px);}
  .cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.88);max-width:52ch;}
  .cta-band .btn-white{position:relative;z-index:1;}

  /* ---------- related categories ---------- */
  .rel-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:18px;}
  .rel-card{
    display:flex;flex-direction:column;gap:10px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:16px;box-shadow:0 16px 40px -36px rgba(14,33,30,.6);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.24);}
  .rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;transition:transform .35s var(--ease);}
  .rel-card:hover img{transform:scale(1.03);}
  .rel-card h3{font-size:16px;font-weight:700;line-height:1.45;}
  .rel-card p{font-size:13px;line-height:1.65;color:var(--ink-60);}
  .rel-card .arrow{margin-top:auto;font-size:13px;font-weight:600;color:var(--coral);}

  /* ---------- footer ---------- */
  .site-footer{background:#0E211E;color:rgba(255,248,240,.88);margin-top:64px;}
  .footer-line{height:1px;background:linear-gradient(90deg,var(--coral),rgba(242,84,45,0));}
  .footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:56px 0 40px;}
  .site-footer .logo-text{color:#FFF8F0;}
  .footer-desc{font-size:14px;line-height:1.8;color:rgba(255,248,240,.66);margin:14px 0 18px;}
  .socials{display:flex;gap:10px;}
  .social-btn{
    width:36px;height:36px;border-radius:50%;
    border:1px solid rgba(255,248,240,.18);
    display:grid;place-items:center;color:rgba(255,248,240,.8);
    transition:border-color var(--ease),color var(--ease),transform var(--ease);
  }
  .social-btn:hover{border-color:rgba(242,84,45,.7);color:var(--coral);transform:translateY(-2px);}
  .social-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .footer-col h4{font-size:15px;font-weight:600;color:#FFF8F0;margin-bottom:16px;}
  .footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;}
  .footer-col ul li{font-size:14px;line-height:1.75;}
  .footer-col ul a{color:rgba(255,248,240,.68);transition:color var(--ease);}
  .footer-col ul a:hover{color:var(--coral);}
  .footer-contact li{color:rgba(255,248,240,.62);font-size:13px;line-height:1.8;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    border-top:1px solid rgba(255,248,240,.12);
    padding:20px 0 26px;font-size:13px;color:rgba(255,248,240,.55);
  }
  .footer-links{display:flex;flex-wrap:wrap;gap:18px;}
  .footer-links a{color:rgba(255,248,240,.6);transition:color var(--ease);}
  .footer-links a:hover{color:var(--coral);}

  /* ---------- responsive ---------- */
  @media (max-width:1180px){
    .cmd-search{width:210px;}
    .nav-links{gap:20px;}
  }
  @media (max-width:1023px){
    .nav-links,.cmd-search,.quick-link,.header-cta{display:none;}
    .nav-toggle{display:flex;}
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .hero-shot{aspect-ratio:16/11;}
    .layout{grid-template-columns:1fr;gap:32px;}
    .side-col{position:static;}
    .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .rel-card:first-child{grid-column:span 2;}
    .section{padding:52px 0;}
    .cta-band{padding:34px;}
    .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:768px){
    .prep{grid-template-columns:1fr;padding:24px;}
    .pitfall-grid{grid-template-columns:1fr;}
    .pitfall.wide{grid-column:auto;}
    .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));max-width:none;}
    .cta-band{flex-direction:column;align-items:flex-start;gap:24px;padding:30px 24px;}
    .cta-band .btn-white{width:100%;}
  }
  @media (max-width:640px){
    .container{padding:0 20px;}
    .hero-grid{padding-top:18px;}
    h1{font-size:clamp(28px,7.4vw,34px);}
    .step{padding-left:58px;}
    .step-num{width:42px;height:42px;border-radius:14px;font-size:13px;}
    .timeline::before{left:20px;}
    .step-card{padding:18px;}
    .rel-grid{grid-template-columns:1fr;}
    .rel-card:first-child{grid-column:auto;}
    .footer-main{grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .section{padding:44px 0;}
    .chips{gap:8px;}
    .chip{font-size:12px;padding:7px 13px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  }

/* roulang page: category4 */
:root{
  --bg:#FFF8F0;
  --ink:#0E211E;
  --ink-72:rgba(14,33,30,.72);
  --ink-60:rgba(14,33,30,.60);
  --ink-42:rgba(14,33,30,.42);
  --primary:#F2542D;
  --primary-2:#E23E57;
  --teal:#0F7C74;
  --mint:#7FD1C1;
  --honey:#FFC24B;
  --card:#FFFFFF;
  --card-alt:#FFF3E8;
  --line:rgba(14,33,30,.08);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 18px 48px -28px rgba(14,33,30,.22);
  --shadow-hover:0 28px 60px -28px rgba(14,33,30,.32);
  --grad:linear-gradient(135deg,#FF7A3D 0%,#F2542D 45%,#E23E57 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:3px solid rgba(242,84,45,.35);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (max-width:640px){ .container{padding:0 20px} }

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,240,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 32px -26px rgba(14,33,30,.55)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  display:grid;place-items:center;
  box-shadow:0 10px 20px -12px rgba(242,84,45,.95);
  flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary);margin:0 2px}

.nav-links{display:flex;align-items:center;gap:26px;margin:0 auto}
.nav-links a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-72);
  padding:6px 0;white-space:nowrap;
  transition:color .25s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}

.header-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.command-search{
  position:relative;display:flex;align-items:center;
  width:250px;height:40px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  padding:0 8px 0 38px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.command-search svg{position:absolute;left:14px;width:16px;height:16px;fill:none;stroke:var(--ink-42);stroke-width:1.8;stroke-linecap:round}
.command-search input{width:100%;border:0;background:transparent;font-size:14px;color:var(--ink);outline:none}
.command-search input::placeholder{color:rgba(14,33,30,.34)}
.command-search .kbd{
  flex:0 0 auto;font-size:11px;line-height:1;color:var(--ink-42);
  background:rgba(14,33,30,.06);border-radius:6px;padding:4px 6px;
  font-family:"Inter",ui-sans-serif,sans-serif;
}
.command-search:focus-within{border-color:rgba(242,84,45,.5);box-shadow:0 0 0 3px rgba(242,84,45,.14)}

.quick-link{display:inline-flex;align-items:center;gap:4px;font-size:14px;color:var(--ink-72);transition:color .25s var(--ease)}
.quick-link:hover{color:var(--primary)}
.quick-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease);
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 28px -16px rgba(242,84,45,.9)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 20px 36px -16px rgba(242,84,45,.95)}
.btn-ghost{border:1px solid rgba(14,33,30,.16);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--card-alt);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);box-shadow:0 16px 30px -18px rgba(14,33,30,.6)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 22px 40px -18px rgba(14,33,30,.7)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{
  display:none;position:fixed;left:0;right:0;top:68px;z-index:59;
  background:var(--bg);border-bottom:1px solid var(--line);
  box-shadow:0 26px 44px -34px rgba(14,33,30,.7);
  padding:18px 24px 26px;
  max-height:calc(100vh - 68px);overflow-y:auto;
}
.drawer.open{display:block}
.drawer .command-search{width:100%;margin-bottom:14px}
.drawer-nav{display:grid;margin:0 0 18px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:15px;font-weight:500;color:var(--ink-72);
  border-bottom:1px dashed var(--line);
}
.drawer-nav a:last-child{border-bottom:0}
.drawer-nav a.active{color:var(--primary);font-weight:600}
.drawer-nav a::after{content:"›";color:var(--ink-42);font-size:18px;line-height:1}
.drawer .btn{width:100%}

@media (max-width:1200px){ .nav-links{gap:20px} .nav-links a{font-size:14.5px} }
@media (max-width:1180px){ .quick-link{display:none} }
@media (max-width:1080px){ .command-search{display:none} .header-right .command-search{width:220px} }
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{gap:14px}
  .header-right{margin-left:auto}
}
@media (max-width:600px){
  .header-right .btn-primary{display:none}
  .drawer{padding:16px 20px 22px}
}

/* ============ PAGE HEAD ============ */
.page-head{position:relative;overflow:hidden;padding:38px 0 44px;isolation:isolate}
.page-head::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.14;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 70%,rgba(0,0,0,0) 100%);
  mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 70%,rgba(0,0,0,0) 100%);
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-42);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--ink-42);transition:color .25s var(--ease)}
.crumbs a:hover{color:var(--primary)}
.crumbs .current{color:var(--primary);font-weight:600}

.page-head-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.06em}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}

.page-head h1{
  font-size:clamp(30px,4vw,48px);
  font-weight:800;line-height:1.16;letter-spacing:-.02em;
  margin:14px 0 16px;
}
.page-head h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{font-size:16px;line-height:1.8;color:var(--ink-60);max-width:56ch}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

.page-head-media{position:relative}
.page-head-media img{
  width:100%;height:300px;object-fit:cover;
  border-radius:24px;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.media-badge{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(14,33,30,.78);color:#FFF8F0;
  font-size:13px;font-weight:500;
  padding:8px 14px;border-radius:999px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.media-badge i{width:6px;height:6px;border-radius:50%;background:var(--honey);display:block}

.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.stat-num{font-family:"Inter",ui-sans-serif,sans-serif;font-size:24px;font-weight:800;line-height:1.2;color:var(--ink)}
.stat-num em{font-style:normal;color:var(--primary);font-size:15px;font-weight:700;margin-left:2px}
.stat-desc{font-size:13px;color:var(--ink-60);margin-top:2px}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-72);
  transition:color .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.chip:hover{color:var(--primary);background:var(--card-alt);border-color:rgba(242,84,45,.32);transform:translateY(-2px)}

/* ============ LAYOUT ============ */
.page-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:44px;align-items:start;padding:8px 0 92px;
}
.block{margin-bottom:76px}
.block:last-child{margin-bottom:0}
.block-head{margin-bottom:26px}
.block-title{font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.28;letter-spacing:-.01em;margin-top:8px}
.block-sub{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-60);max-width:62ch}

/* ============ MATRIX ============ */
.matrix{
  border-radius:var(--radius-lg);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
  overflow:hidden;
}
.matrix-head,.matrix-row{
  display:grid;grid-template-columns:1.05fr 1fr 1fr 1.15fr;
  gap:18px;align-items:center;padding:16px 24px;
}
.matrix-head{
  background:var(--card-alt);
  font-size:13px;font-weight:600;color:var(--ink-60);letter-spacing:.04em;
}
.matrix-row{border-top:1px solid var(--line);transition:background-color .25s var(--ease)}
.matrix-row:hover{background:#FFFBF6}
.m-cell{font-size:14.5px;line-height:1.7;color:var(--ink-72);min-width:0}
.m-cell strong{color:var(--ink);font-weight:600}
.m-cell .action{color:var(--primary);font-weight:600}

.tag{
  display:inline-flex;align-items:center;gap:5px;
  height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;white-space:nowrap;
  background:rgba(15,124,116,.1);color:var(--teal);
}
.tag.warn{background:rgba(242,84,45,.1);color:var(--primary)}
.tag.honey{background:rgba(255,194,75,.22);color:#8A6100}

.matrix-note{
  display:flex;align-items:flex-start;gap:10px;
  margin-top:18px;padding:16px 20px;border-radius:16px;
  background:rgba(127,209,193,.14);
  border:1px solid rgba(15,124,116,.16);
  font-size:14px;line-height:1.75;color:var(--ink-72);
}
.matrix-note svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;fill:none;stroke:var(--teal);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ============ STEPS ============ */
.steps{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:10px 26px;
}
.step{
  display:grid;grid-template-columns:58px 1fr;
  gap:18px;align-items:start;
  padding:24px 0;border-bottom:1px dashed var(--line);
  transition:background-color .25s var(--ease);
}
.step:last-child{border-bottom:0}
.step-num{
  font-family:"Inter",ui-sans-serif,sans-serif;
  font-size:26px;font-weight:800;line-height:1.2;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  transition:transform .25s var(--ease);
}
.step:hover .step-num{transform:translateX(4px)}
.step h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:6px}
.step p{font-size:14px;line-height:1.75;color:var(--ink-60)}
.step .tag{margin-top:10px}

/* ============ ENV ============ */
.env-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.env-card{
  border-radius:var(--radius-md);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
  padding:28px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.env-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.env-card h3{font-size:18px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.env-card p{font-size:14px;line-height:1.8;color:var(--ink-60)}
.env-card ul{margin-top:14px;display:grid;gap:9px}
.env-card li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--ink-72)}
.env-card li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.env-card.dark{
  background:var(--ink);border-color:transparent;color:#FFF8F0;
  box-shadow:0 26px 56px -30px rgba(14,33,30,.7);
}
.env-card.dark h3{color:#fff}
.env-card.dark p{color:rgba(255,248,240,.72)}
.env-card.dark li{color:rgba(255,248,240,.8)}
.env-card.dark li::before{background:var(--honey)}
.icon-dot{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  display:grid;place-items:center;background:rgba(242,84,45,.1);
}
.env-card.dark .icon-dot{background:rgba(255,248,240,.1)}
.icon-dot svg{width:17px;height:17px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.env-card.dark .icon-dot svg{stroke:var(--honey)}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover,.faq-item[open]{border-color:rgba(242,84,45,.28);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;font-size:16px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;color:var(--ink-42);
  transition:transform .25s var(--ease),color .25s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--primary)}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-60)}
.faq-body strong{color:var(--ink);font-weight:600}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:28px;background:var(--grad);
  padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 34px 66px -34px rgba(242,84,45,.85);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 84% 8%,rgba(255,255,255,.3),transparent 55%);
}
.cta-band h2{position:relative;color:#fff;font-size:clamp(23px,3vw,32px);font-weight:700;line-height:1.25;margin-bottom:10px}
.cta-band p{position:relative;color:rgba(255,255,255,.86);font-size:15px;line-height:1.75;max-width:52ch}
.cta-band .btn{position:relative;flex:0 0 auto}

/* ============ SIDEBAR ============ */
.side-rail{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--grad)}
.side-list{display:grid;gap:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14px;color:var(--ink-72);
  transition:background-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.side-list a::after{content:"›";color:var(--ink-42);font-size:16px;line-height:1;transition:color .25s var(--ease)}
.side-list a:hover{background:var(--card-alt);color:var(--primary);transform:translateX(3px)}
.side-list a:hover::after{color:var(--primary)}
.side-list a.active{background:rgba(242,84,45,.08);color:var(--primary);font-weight:600}
.side-card .btn{width:100%;margin-top:6px}
.side-mini{
  background:var(--ink);color:#FFF8F0;border-color:transparent;
  box-shadow:0 26px 52px -30px rgba(14,33,30,.65);
}
.side-mini h3{color:#fff}
.side-mini h3::before{background:linear-gradient(135deg,#FFC24B,#F2542D)}
.side-mini p{font-size:14px;line-height:1.75;color:rgba(255,248,240,.72);margin-bottom:16px}

/* ============ RELATED ============ */
.rel-section{padding-bottom:96px}
.rel-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:20px}
.rel-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(242,84,45,.3)}
.rel-card h3{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:8px;transition:color .25s var(--ease)}
.rel-card:hover h3{color:var(--primary)}
.rel-card p{font-size:13.5px;line-height:1.7;color:var(--ink-60)}
.rel-card .rel-more{
  margin-top:auto;padding-top:16px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:600;color:var(--primary);
}
.rel-card .rel-more svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.rel-card:hover .rel-more svg{transform:translateX(3px)}
.rel-card.feature{padding:0;overflow:hidden;grid-row:span 1}
.rel-card.feature img{width:100%;height:168px;object-fit:cover;transition:transform .45s var(--ease)}
.rel-card.feature:hover img{transform:scale(1.05)}
.rel-card.feature .feature-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:rgba(255,248,240,.75);position:relative}
.footer-line{height:2px;background:linear-gradient(90deg,var(--primary) 0%,rgba(242,84,45,0) 100%)}
.footer-main{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.35fr;
  gap:40px;padding:64px 0 48px;
}
.site-footer .logo-text{color:#FFF8F0}
.site-footer .logo-mark{box-shadow:0 10px 22px -12px rgba(242,84,45,.9)}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(255,248,240,.6);margin:16px 0 20px;max-width:26ch}
.socials{display:flex;gap:10px}
.social-btn{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,248,240,.08);
  transition:background-color .25s var(--ease),transform .25s var(--ease);
}
.social-btn:hover{background:rgba(242,84,45,.28);transform:translateY(-2px)}
.social-btn svg{width:16px;height:16px;fill:none;stroke:rgba(255,248,240,.82);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:14px;font-weight:700;color:#FFF8F0;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,248,240,.65);transition:color .25s var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{font-size:13.5px;line-height:1.75;color:rgba(255,248,240,.55)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid rgba(255,248,240,.1);
  font-size:13px;color:rgba(255,248,240,.5);
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:rgba(255,248,240,.5);transition:color .25s var(--ease)}
.footer-links a:hover{color:var(--primary)}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .page-layout{grid-template-columns:1fr;gap:36px;padding-bottom:72px}
  .side-rail{position:static}
  .page-head-grid{grid-template-columns:1fr;gap:30px}
  .page-head-media img{height:240px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .block{margin-bottom:60px}
  .rel-section{padding-bottom:72px}
  .footer-main{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 40px}
}
@media (max-width:820px){
  .matrix-head{display:none}
  .matrix-row{grid-template-columns:1fr;gap:10px;padding:18px 20px;align-items:start}
  .m-cell{display:grid;grid-template-columns:78px 1fr;gap:10px;font-size:14px}
  .m-cell::before{content:attr(data-label);font-size:12px;font-weight:600;color:var(--ink-42);padding-top:2px}
  .env-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px}
  .cta-band .btn{width:100%}
}
@media (max-width:640px){
  .page-head{padding:28px 0 36px}
  .stat-strip{grid-template-columns:1fr;gap:12px}
  .stat-card{display:flex;align-items:center;gap:14px}
  .stat-desc{margin-top:0}
  .steps{padding:6px 18px}
  .step{grid-template-columns:44px 1fr;gap:12px;padding:20px 0}
  .step-num{font-size:22px}
  .rel-grid{grid-template-columns:1fr}
  .rel-card.feature img{height:180px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .head-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category5 */
:root{
  --bg:#FFF8F0;
  --ink:#0E211E;
  --ink-soft:rgba(14,33,30,.68);
  --ink-mute:rgba(14,33,30,.5);
  --coral:#F2542D;
  --coral-deep:#E23E57;
  --teal:#0F7C74;
  --mint:#7FD1C1;
  --honey:#FFC24B;
  --card:#FFFFFF;
  --card-alt:#FFF3E8;
  --line:rgba(14,33,30,.08);
  --brand-gradient:linear-gradient(135deg,#FF7A3D 0%,#F2542D 45%,#E23E57 100%);
  --wave-gradient:linear-gradient(180deg,rgba(127,209,193,.28),rgba(255,248,240,0));
  --shadow-sm:0 10px 26px -22px rgba(14,33,30,.5);
  --shadow:0 18px 48px -28px rgba(14,33,30,.22);
  --shadow-lg:0 28px 64px -30px rgba(14,33,30,.32);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:14px;
  --t:.25s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
::selection{background:rgba(242,84,45,.18)}
:focus-visible{outline:3px solid rgba(242,84,45,.38);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-feature-settings:"tnum"}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,240,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 14px 34px -24px rgba(14,33,30,.5)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--brand-gradient);
  display:grid;place-items:center;box-shadow:0 10px 20px -12px rgba(242,84,45,.85);
}
.logo-mark svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--coral);padding:0 2px}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:6px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:rgba(14,33,30,.72);
  padding:6px 0;white-space:nowrap;transition:color var(--t);
}
.nav-links a:hover{color:var(--coral)}
.nav-links a.active{color:var(--coral);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand-gradient);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:250px;
  padding:0 6px 0 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search:focus-within{border-color:rgba(242,84,45,.5);box-shadow:0 0 0 3px rgba(242,84,45,.14)}
.nav-search svg{width:16px;height:16px;stroke:rgba(14,33,30,.45);fill:none;stroke-width:1.9;stroke-linecap:round;flex:0 0 auto}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:rgba(14,33,30,.4)}
.kbd{
  flex:0 0 auto;font-size:11px;font-weight:600;color:rgba(14,33,30,.5);
  background:var(--card-alt);border-radius:7px;padding:3px 7px;letter-spacing:.02em;
}
.nav-quick{
  display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:500;
  color:rgba(14,33,30,.7);white-space:nowrap;transition:color var(--t);
}
.nav-quick svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-quick:hover{color:var(--coral)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t);
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--brand-gradient);color:#fff;box-shadow:0 14px 30px -16px rgba(242,84,45,.75)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 20px 38px -16px rgba(242,84,45,.85)}
.btn-ghost{background:transparent;border-color:rgba(14,33,30,.16);color:var(--ink)}
.btn-ghost:hover{background:var(--card-alt);border-color:rgba(14,33,30,.26);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.btn-light:hover{transform:translateY(-2px);background:#FFF9F2}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.nav-cta{height:40px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--t);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(14,33,30,.45);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(86vw,360px);
  background:var(--bg);transform:translateX(103%);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:14px;padding:20px;overflow-y:auto;
  box-shadow:-24px 0 60px -30px rgba(14,33,30,.5);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:4px}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;font-size:20px;line-height:1;color:var(--ink-soft);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
}
.drawer-search svg{width:16px;height:16px;stroke:rgba(14,33,30,.45);fill:none;stroke-width:1.9;stroke-linecap:round}
.drawer-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14px}
.drawer-nav{display:grid;gap:2px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;
  font-size:15px;font-weight:500;color:rgba(14,33,30,.78);transition:background var(--t),color var(--t);
}
.drawer-nav a:hover{background:var(--card-alt);color:var(--coral)}
.drawer-nav a.active{background:var(--card-alt);color:var(--coral);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:16px}

/* ---------- 面包屑 ---------- */
.crumb{margin:26px 0 0;font-size:13px;color:var(--ink-mute)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:rgba(14,33,30,.28)}
.crumb a{transition:color var(--t)}
.crumb a:hover{color:var(--coral)}
.crumb .current{color:var(--coral);font-weight:600}

/* ---------- 页面头 ---------- */
.page-head{position:relative;overflow:hidden;padding:34px 0 46px}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.10;pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:180px;
  background:var(--wave-gradient);pointer-events:none;
}
.page-head .head-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--coral);letter-spacing:.03em;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand-gradient)}
.page-head h1{
  font-size:clamp(34px,4.6vw,54px);font-weight:800;line-height:1.14;letter-spacing:-.02em;
  margin:16px 0 0;
}
.page-head h1 .hl{
  background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.head-sub{margin-top:18px;font-size:16px;line-height:1.8;color:var(--ink-soft);max-width:600px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-row li{
  display:flex;align-items:baseline;gap:8px;padding:12px 18px;border-radius:var(--r-xs);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.stat-row strong{font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-size:22px;font-weight:800;color:var(--coral);line-height:1}
.stat-row span{font-size:13px;color:var(--ink-soft)}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.anchor-chips a{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;
  font-size:13.5px;font-weight:600;color:var(--teal);background:rgba(127,209,193,.2);
  border:1px solid rgba(15,124,116,.18);transition:background var(--t),color var(--t),transform var(--t);
}
.anchor-chips a:hover{background:rgba(127,209,193,.36);color:#0B5F59;transform:translateY(-2px)}
.hero-visual{position:relative}
.hero-photo{
  position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/5;
  box-shadow:var(--shadow-lg);background:#E8F3F0;
}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,33,30,0) 52%,rgba(14,33,30,.55) 100%);
}
.photo-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:999px;
  background:rgba(255,248,240,.92);color:var(--ink);font-size:13px;font-weight:600;
}
.photo-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--coral)}
.float-badge{
  position:absolute;left:-16px;bottom:44px;z-index:3;display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
}
.float-badge strong{font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-size:24px;font-weight:800;color:var(--teal);line-height:1}
.float-badge span{font-size:13px;color:var(--ink-soft)}

/* ---------- 主内容布局 ---------- */
.main-wrap{padding:8px 0 96px}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px}
.content-main{min-width:0}
.section-block + .section-block{margin-top:64px}
.sec-head{margin-bottom:26px}
h2.sec-title{
  position:relative;font-size:clamp(23px,2.5vw,31px);font-weight:700;line-height:1.3;
  padding-left:16px;margin-top:8px;letter-spacing:-.01em;
}
h2.sec-title::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:4px;background:var(--brand-gradient);
}
.sec-desc{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-soft);max-width:700px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start}
.faq-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.faq-card:hover{border-color:rgba(242,84,45,.3);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:17px 18px;border:0;background:none;text-align:left;cursor:pointer;
  font-size:15.5px;font-weight:600;line-height:1.55;color:var(--ink);
  transition:color var(--t);
}
.faq-q:hover{color:var(--coral)}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--card-alt);margin-top:1px;
  transition:transform var(--t),background var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--coral);border-radius:2px;
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-card.is-open{border-color:rgba(242,84,45,.32)}
.faq-card.is-open .faq-icon{transform:rotate(45deg);background:rgba(242,84,45,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-card.is-open .faq-a{max-height:420px}
.faq-a p{
  padding:0 18px 18px;font-size:14.5px;line-height:1.85;color:var(--ink-soft);
  border-top:1px dashed rgba(14,33,30,.12);padding-top:14px;margin:0 18px 18px;padding-left:0;padding-right:0;
}

/* ---------- 编号热度榜 ---------- */
.rank-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow);
}
.rank-item{
  display:grid;grid-template-columns:54px minmax(0,1fr) auto;align-items:center;gap:16px;
  padding:19px 22px;border-bottom:1px dashed rgba(14,33,30,.14);
  transition:background var(--t),padding var(--t);
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:var(--card-alt)}
.rank-num{
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-size:26px;font-weight:800;line-height:1;
  background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
  transition:transform var(--t);
}
.rank-item:hover .rank-num{transform:translateX(4px)}
.rank-body h3{font-size:16.5px;font-weight:600;line-height:1.5;transition:color var(--t)}
.rank-item:hover .rank-body h3{color:var(--coral)}
.rank-body p{margin-top:4px;font-size:13.5px;line-height:1.7;color:var(--ink-mute)}
.rank-arrow{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;transition:background var(--t),border-color var(--t),transform var(--t);
}
.rank-arrow svg{width:15px;height:15px;stroke:var(--ink-mute);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:stroke var(--t)}
.rank-item:hover .rank-arrow{background:rgba(242,84,45,.1);border-color:rgba(242,84,45,.35);transform:translateX(3px)}
.rank-item:hover .rank-arrow svg{stroke:var(--coral)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step-card:nth-child(even){background:var(--card-alt)}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(242,84,45,.25)}
.step-card::before{
  content:attr(data-step);position:absolute;right:16px;top:6px;
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;font-size:52px;font-weight:800;
  color:rgba(14,33,30,.06);line-height:1;letter-spacing:-.03em;
}
.step-card h3{font-size:17px;font-weight:600;line-height:1.5;position:relative;z-index:1}
.step-card p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-soft);position:relative;z-index:1}

/* ---------- 侧栏 ---------- */
.content-side{min-width:0}
.side-sticky{position:static}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow);
}
.side-card + .side-card{margin-top:20px}
.side-card h3{font-size:16px;font-weight:700;line-height:1.5}
.side-card .side-note{margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--ink-mute)}
.toc-list{margin-top:14px;display:grid;gap:2px}
.toc-list a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:rgba(14,33,30,.74);transition:background var(--t),color var(--t);
}
.toc-list a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:rgba(15,124,116,.5);flex:0 0 auto;
  transition:background var(--t),transform var(--t);
}
.toc-list a:hover{background:var(--card-alt);color:var(--coral)}
.toc-list a:hover::before{background:var(--coral);transform:scale(1.25)}
.side-links{margin-top:14px;display:grid;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px;border-radius:10px;font-size:14px;color:rgba(14,33,30,.74);
  transition:background var(--t),color var(--t);
}
.side-links a svg{width:14px;height:14px;stroke:rgba(14,33,30,.32);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:stroke var(--t)}
.side-links a:hover{background:var(--card-alt);color:var(--coral)}
.side-links a:hover svg{stroke:var(--coral)}
.side-card--cta{background:var(--card-alt);border-color:rgba(242,84,45,.16)}
.side-card--cta h3{color:var(--ink)}
.side-card--cta .btn{margin-top:16px}

/* ---------- 相关分类 ---------- */
.rel-section{padding:0 0 96px}
.rel-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px}
.rel-card{
  grid-column:span 6;position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card--lg{grid-column:span 7}
.rel-card:nth-child(2){grid-column:span 5}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(242,84,45,.28)}
.rel-thumb{
  border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;background:#EFE7DC;margin-bottom:16px;
}
.rel-card--lg .rel-thumb{aspect-ratio:16/8}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-card h3{font-size:18px;font-weight:700;line-height:1.45;transition:color var(--t)}
.rel-card--lg h3{font-size:21px}
.rel-card:hover h3{color:var(--coral)}
.rel-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-soft)}
.rel-card .rel-link{
  margin-top:16px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--teal);
}
.rel-card .rel-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--t)}
.rel-card:hover .rel-link{color:var(--coral)}
.rel-card:hover .rel-link svg{transform:translateX(3px)}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--brand-gradient);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 30px 70px -34px rgba(242,84,45,.7);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 88% 18%, rgba(255,255,255,.22), transparent 42%),
    radial-gradient(circle at 12% 92%, rgba(255,255,255,.16), transparent 46%);
}
.cta-band h2{position:relative;z-index:1;font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.28;color:#fff;letter-spacing:-.01em}
.cta-band p{position:relative;z-index:1;margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:560px}
.cta-band .cta-actions{position:relative;z-index:1;flex:0 0 auto;display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-light{height:52px;padding:0 28px;font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E211E;color:#FFF8F0;position:relative}
.footer-line{height:1px;background:linear-gradient(90deg,var(--coral) 0%,rgba(242,84,45,.35) 42%,rgba(242,84,45,0) 100%)}
.footer-main{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.5fr;gap:40px;
  padding:62px 0 46px;
}
.footer-brand .logo-text{color:#FFF8F0}
.footer-desc{margin:14px 0 18px;max-width:280px;font-size:13.5px;line-height:1.8;color:rgba(255,248,240,.62)}
.socials{display:flex;gap:10px}
.social-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,248,240,.18);transition:background var(--t),border-color var(--t),transform var(--t);
}
.social-btn svg{width:16px;height:16px;stroke:rgba(255,248,240,.72);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.social-btn:hover{background:rgba(255,248,240,.09);border-color:rgba(255,248,240,.4);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:rgba(255,248,240,.66);transition:color var(--t)}
.footer-col a:hover{color:var(--mint)}
.footer-contact li{font-size:13px;line-height:1.85;color:rgba(255,248,240,.6)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(255,248,240,.12);
  font-size:13px;color:rgba(255,248,240,.58);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:rgba(255,248,240,.58);transition:color var(--t)}
.footer-links a:hover{color:var(--mint)}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .content-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px}
  .side-sticky{position:sticky;top:96px}
}
@media (max-width:1180px){
  .nav-search{width:200px}
  .nav-quick{display:none}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-quick{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .page-head .head-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .hero-visual{max-width:420px}
  .float-badge{left:auto;right:-8px}
  .footer-main{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 40px}
  .rel-section{padding-bottom:72px}
  .main-wrap{padding-bottom:72px}
}
@media (max-width:900px){
  .faq-grid{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr)}
  .rel-card,.rel-card--lg,.rel-card:nth-child(2){grid-column:span 12}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:24px}
  .cta-band .cta-actions{width:100%}
  .cta-band .btn-light{width:100%}
  .page-head{padding:26px 0 34px}
  .stat-row li{flex:1 1 100%}
  .rank-item{grid-template-columns:44px minmax(0,1fr) auto;padding:16px 16px;gap:12px}
  .rank-num{font-size:22px}
  .hero-visual{max-width:100%}
  .float-badge{right:8px;bottom:16px}
  .footer-main{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:520px){
  .page-head h1{font-size:clamp(28px,8vw,36px)}
  .sec-title{font-size:22px}
  .faq-q{font-size:15px;padding:15px 16px}
  .faq-a p{margin:0 16px 16px;font-size:14px}
  .side-card{padding:18px}
  .rel-card{padding:18px}
  .anchor-chips a{height:34px;padding:0 13px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}