/* roulang page: index */
:root{
  --c-ink:#14151A;
  --c-ink-2:#22242C;
  --c-paper:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD7;
  --c-muted:#6E6A64;
  --c-primary:#FF4B23;
  --c-primary-dark:#C93A18;
  --c-accent:#17CFA8;
  --c-dark:#0F1015;
  --shadow-card:0 1px 2px rgba(20,21,26,.04), 0 12px 32px -14px rgba(20,21,26,.12);
  --shadow-hover:0 18px 44px -18px rgba(255,75,35,.28);
  --r-card:14px;
  --r-input:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-paper);
  color:#3A3B42;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.86;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1360px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.h2{font-size:clamp(23px,2.5vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.h3{font-size:18px;line-height:1.45;font-weight:700}
.lead{color:#4A4A52;font-size:17px}
.muted{color:var(--c-muted)}
.text-primary{color:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 24px;border-radius:var(--r-input);
  border:1px solid transparent;background:none;cursor:pointer;
  font-weight:600;font-size:15px;line-height:1;
  transition:transform .24s cubic-bezier(.22,.61,.36,1),background-color .24s,border-color .24s,color .24s,box-shadow .24s;
  position:relative;overflow:hidden;
}
.btn i{transition:transform .24s ease}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(255,75,35,.7)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px)}
.btn-primary:hover i.fa-arrow-right{transform:translateX(4px)}
.btn-outline{border-color:var(--c-ink);color:var(--c-ink)}
.btn-outline:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.24);color:#fff}
.btn-ghost:hover{border-color:var(--c-primary);color:#fff;transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-ink);font-size:15px}
.link-more i{transition:transform .24s ease;color:var(--c-primary)}
.link-more:hover i{transform:translateX(4px)}
.link-underline{
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size .2s ease;
}
.link-underline:hover{background-size:100% 1px}

/* ---------- 药丸 / 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;line-height:1;white-space:nowrap;
}
.pill-primary{background:rgba(255,75,35,.08);color:var(--c-primary)}
.pill-neutral{background:#EFEAE3;color:#57544F}
.pill-dark{background:rgba(255,255,255,.08);color:#fff}
.dot-accent{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;box-shadow:0 0 0 3px rgba(23,207,168,.18)}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,238,.94);backdrop-filter:saturate(1.4) blur(8px);transition:box-shadow .24s,border-color .24s;border-bottom:1px solid transparent}
.site-header.is-stuck{border-bottom:1px solid var(--c-line);box-shadow:0 10px 30px -22px rgba(20,21,26,.4)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo-mark{width:34px;height:34px;flex:0 0 34px;position:relative;border-radius:9px;background:var(--c-ink);display:grid;place-items:center}
.logo-mark::before{content:"";position:absolute;width:12px;height:12px;background:var(--c-primary);border-radius:3px;transform:translate(-4px,-4px)}
.logo-mark::after{content:"";position:absolute;width:12px;height:12px;border:2px solid var(--c-accent);border-radius:3px;transform:translate(4px,4px)}
.brand-text{font-weight:800;font-size:17px;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-anchors{display:flex;align-items:center;gap:26px}
.brand-anchors a{font-size:14.5px;color:#57544F;font-weight:500;transition:color .2s}
.brand-anchors a:hover{color:var(--c-primary)}
.brand-actions{display:flex;align-items:center;gap:10px}
.channel-bar-wrap{border-top:1px solid var(--c-line);position:relative}
.channel-bar{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-bar::-webkit-scrollbar{display:none}
.channel-link{position:relative;font-size:15px;font-weight:500;color:#4A4A52;white-space:nowrap;padding:4px 0;transition:color .2s}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:center;transition:transform .2s ease}
.channel-link:hover{color:var(--c-ink)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--c-ink);font-weight:700}
.channel-link.is-active::after{transform:scaleX(1)}

/* ---------- Hero ---------- */
.hero-dark{
  background-color:var(--c-dark);
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 46px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 46px);
  color:#fff;
}
.hero-dark h1{color:#fff;font-size:clamp(30px,4.4vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.02em}
.hero-sub{color:rgba(255,255,255,.72);font-size:17px;max-width:560px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;border-top:1px solid rgba(255,255,255,.12)}
.hero-stat{padding:22px 18px 0 0;border-right:1px solid rgba(255,255,255,.12)}
.hero-stat:last-child{border-right:none}
.hero-stat b{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:800;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stat span{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:6px}
.hero-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.12);aspect-ratio:16/11}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,16,21,.25),rgba(15,16,21,.7))}
.hero-badge{
  position:absolute;right:-8px;bottom:-18px;z-index:2;background:rgba(15,16,21,.92);
  border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:12px 16px;display:flex;align-items:center;gap:10px;
  font-size:13px;color:rgba(255,255,255,.82);box-shadow:0 18px 40px -22px rgba(0,0,0,.9);
}
@media (max-width:768px){.hero-badge{position:static;margin-top:12px;display:inline-flex}}

/* ---------- 快捷通道条 ---------- */
.quick-card{
  display:flex;align-items:center;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--shadow-card);
  transition:transform .24s cubic-bezier(.22,.61,.36,1),border-color .24s,box-shadow .24s;
}
.quick-card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--shadow-hover)}
.quick-icon{width:46px;height:46px;flex:0 0 46px;border-radius:12px;display:grid;place-items:center;background:#FFF3EE;color:var(--c-primary);font-size:18px}
.quick-card i.arrow{color:var(--c-muted);transition:transform .24s ease,color .24s ease}
.quick-card:hover i.arrow{transform:translateX(4px);color:var(--c-primary)}

/* ---------- CMS 列表 ---------- */
.cms-feature{display:grid;grid-template-columns:1.05fr 1fr;gap:0;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .24s,border-color .24s,box-shadow .24s}
.cms-feature:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--shadow-hover)}
.cms-feature-media{position:relative;overflow:hidden;aspect-ratio:3/2}
.cms-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.cms-feature:hover .cms-feature-media img{transform:scale(1.03)}
.cms-feature-body{padding:28px 30px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.cms-row{display:flex;align-items:center;gap:18px;padding:18px 4px;border-bottom:1px solid var(--c-line);transition:background-color .2s}
.cms-row:last-child{border-bottom:none}
.cms-row:hover{background:#FBFAF8}
.cms-row-thumb{width:56px;height:56px;flex:0 0 56px;border-radius:10px;overflow:hidden;border:1px solid var(--c-line)}
.cms-row-thumb img{width:100%;height:100%;object-fit:cover}
.cms-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{text-align:center;padding:64px 24px;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface)}
.empty-state .ring{width:64px;height:64px;border-radius:50%;border:1px solid var(--c-line);display:grid;place-items:center;margin:0 auto 18px;color:var(--c-muted);font-size:22px}

/* ---------- 时间线 ---------- */
.timeline-wrap{position:relative}
.timeline{display:flex;gap:0;overflow-x:auto;scrollbar-width:none;padding:8px 0 24px;position:relative;scroll-behavior:smooth}
.timeline::-webkit-scrollbar{display:none}
.tl-node{flex:0 0 288px;padding-right:32px;position:relative}
.tl-index{font-size:clamp(40px,6vw,72px);font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px var(--c-primary)}
.tl-axis{margin-top:18px;height:1px;background:var(--c-line);position:relative}
.tl-dot{position:absolute;left:0;top:-4.5px;width:10px;height:10px;border-radius:50%;background:#fff;border:1px solid var(--c-line)}
.tl-dot.on{background:var(--c-primary);border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,75,35,.16)}
.tl-node h3{margin-top:20px}
.tl-scroll-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);display:grid;place-items:center;color:var(--c-ink);cursor:pointer;transition:background-color .24s,color .24s,border-color .24s}
.tl-scroll-btn:hover{background:var(--c-ink);color:#fff;border-color:var(--c-ink)}
.tl-progress{height:2px;background:var(--c-line);border-radius:2px;overflow:hidden;margin-top:8px}
.tl-progress span{display:block;height:100%;width:22%;background:var(--c-primary);transition:width .3s ease}

/* ---------- 亮点区 ---------- */
.hl-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);aspect-ratio:3/2}
.hl-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.hl-media:hover img{transform:scale(1.03)}
.hl-list li{position:relative;padding-left:20px;margin-bottom:18px;font-size:16.5px;color:#3A3B42;line-height:1.8}
.hl-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;background:var(--c-primary)}

/* ---------- 对比列 ---------- */
.compare-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .24s,border-color .24s,box-shadow .24s}
.compare-card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--shadow-hover)}
.compare-card.is-best{border-color:var(--c-primary);background:#FFF3EE;position:relative}
.compare-card.is-best::before{content:"推荐";position:absolute;top:-11px;left:24px;background:var(--c-primary);color:#fff;font-size:12px;font-weight:600;padding:3px 12px;border-radius:999px}
.compare-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;border-bottom:1px solid var(--c-line);font-size:14.5px}
.compare-row:last-of-type{border-bottom:none}
.compare-row i.yes{color:var(--c-primary)}
.compare-row i.no{color:var(--c-muted)}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{display:flex;align-items:center;gap:16px;width:100%;background:none;border:none;text-align:left;padding:20px 0;cursor:pointer;min-height:56px}
.faq-q .idx{font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;flex:0 0 32px}
.faq-q .qtext{flex:1;font-size:17px;font-weight:600;color:var(--c-ink);transition:color .22s}
.faq-q .sign{width:28px;height:28px;flex:0 0 28px;border:1px solid var(--c-line);border-radius:50%;display:grid;place-items:center;color:var(--c-ink);transition:transform .22s ease,border-color .22s,color .22s}
.faq-item.open .faq-q .qtext{color:var(--c-primary)}
.faq-item.open .faq-q .sign{transform:rotate(45deg);border-color:var(--c-primary);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{border-left:2px solid var(--c-primary);padding:4px 0 22px 18px;margin-left:32px;font-size:15px;line-height:1.8;color:#4A4A52}

/* ---------- CTA / 表单 ---------- */
.cta-dark{
  background-color:var(--c-dark);
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px 48px);
  color:#fff;
}
.cta-dark h2{color:#fff}
.form-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:28px}
.form-label{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:8px}
.form-input{
  width:100%;height:48px;border-radius:var(--r-input);background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.14);color:#fff;padding:0 14px;transition:border-color .2s,box-shadow .2s;
}
textarea.form-input{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-input::placeholder{color:rgba(255,255,255,.45)}
.form-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,75,35,.18)}
select.form-input{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.6) 50%),linear-gradient(135deg,rgba(255,255,255,.6) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
select.form-input option{color:#14151A}

/* ---------- 底部展示位 / 页脚 ---------- */
.footer{background:var(--c-dark);color:rgba(255,255,255,.66);border-top:1px solid rgba(255,255,255,.08)}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer a{color:rgba(255,255,255,.66);font-size:14px;display:inline-block;transition:color .2s,transform .2s}
.footer a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:var(--c-muted)}
.footer-bottom a{font-size:13px;color:var(--c-muted)}
.stat-block{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card)}
.stat-block b{font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--c-ink);font-variant-numeric:tabular-nums;display:block;line-height:1.2}
.stat-block span{font-size:13px;color:var(--c-muted)}
.note-card{background:#FFF3EE;border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;padding:20px 22px}

/* ---------- 入场动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .brand-anchors{display:none}
  .section{padding:72px 0}
  .cms-feature{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat:nth-child(2){border-right:none}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .brand-row{height:56px}
  .brand-text{font-size:15px}
  .brand-actions .btn-outline{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat{padding:18px 12px 0 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cms-feature-body{padding:22px 20px}
  .cms-row{gap:14px}
  .faq-a-inner{margin-left:0}
  .btn{width:100%}
  .brand-actions .btn{width:auto}
}
@media (max-width:480px){
  body{font-size:16px}
  .hero-dark h1{font-size:30px}
  .tl-node{flex:0 0 240px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  [data-reveal]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --c-ink:#14151A;
  --c-ink-2:#22242C;
  --c-paper:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD7;
  --c-muted:#6E6A64;
  --c-body:#3A3B42;
  --c-primary:#FF4B23;
  --c-primary-dark:#C93A18;
  --c-accent:#17CFA8;
  --c-dark:#0F1015;
  --r-card:14px;
  --r-input:10px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,21,26,.04), 0 12px 32px -14px rgba(20,21,26,.12);
  --sh-hover:0 18px 44px -18px rgba(255,75,35,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-body);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-wide{max-width:1360px;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-paper);transition:box-shadow .24s ease,border-color .24s ease;border-bottom:1px solid transparent;}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:0 8px 24px -18px rgba(20,21,26,.45);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);}
.logo-mark{position:relative;width:26px;height:26px;border-radius:8px;background:var(--c-primary);flex:0 0 auto;display:inline-block;}
.logo-mark::before{content:"";position:absolute;left:7px;top:7px;width:9px;height:9px;border:2px solid #fff;border-radius:2px;}
.logo-mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:12px;height:12px;border-radius:4px;background:var(--c-ink);}
.brand-anchors{display:flex;align-items:center;gap:26px;}
.brand-anchors a{font-size:15px;color:var(--c-body);transition:color .2s ease;}
.brand-anchors a:hover{color:var(--c-primary);}
.brand-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}

.channel-bar-wrap{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.channel-bar{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-bar::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 2px;font-size:15px;font-weight:500;color:var(--c-body);white-space:nowrap;transition:color .2s ease;}
.channel-link::after{content:"";position:absolute;left:50%;right:50%;bottom:-1px;height:2px;background:var(--c-primary);transition:left .2s ease,right .2s ease;}
.channel-link:hover{color:var(--c-ink);}
.channel-link:hover::after{left:0;right:0;}
.channel-link.is-active{color:var(--c-ink);font-weight:700;}
.channel-link.is-active::after{left:0;right:0;}

.mobile-drawer{position:fixed;inset:0;z-index:120;background:var(--c-dark);display:none;flex-direction:column;padding:20px 16px 32px;overflow-y:auto;}
.mobile-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.08);}
.drawer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;}
.drawer-close{width:44px;height:44px;border:1px solid rgba(255,255,255,.2);border-radius:10px;background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;}
.drawer-list{margin-top:8px;}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 14px;color:rgba(255,255,255,.86);font-size:16px;border-bottom:1px solid rgba(255,255,255,.08);}
.drawer-list a.is-active{color:#fff;font-weight:700;box-shadow:inset 3px 0 0 var(--c-primary);}
.drawer-list a span{color:rgba(255,255,255,.4);}
.drawer-cta{margin-top:24px;display:grid;gap:12px;}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background .24s ease,color .24s ease,border-color .24s ease,transform .2s ease,box-shadow .24s ease;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(255,75,35,.7);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--c-ink);color:var(--c-ink);}
.btn-outline:hover{background:var(--c-ink);color:#fff;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:#fff;}
.btn-ghost:hover{border-color:var(--c-primary);color:#fff;}
.btn-block{width:100%;}

.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-ink);padding-bottom:2px;background-image:linear-gradient(var(--c-primary),var(--c-primary));background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;transition:background-size .2s ease;}
.text-link:hover{background-size:100% 1px;}
.text-link .arrow{transition:transform .2s ease;color:var(--c-primary);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- Badge ---------- */
.badge{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.01em;}
.badge-primary{background:rgba(255,75,35,.08);color:var(--c-primary);}
.badge-dark{background:rgba(255,255,255,.08);color:#fff;}
.dot-accent{width:8px;height:8px;border-radius:999px;background:var(--c-accent);flex:0 0 auto;}

/* ---------- Hero ---------- */
.page-hero{position:relative;color:#fff;background:linear-gradient(rgba(15,16,21,.72),rgba(15,16,21,.72)),url(/assets/images/backpic/back-1.webp) center/cover no-repeat,var(--c-dark);overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 58px),repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 58px);pointer-events:none;}
.page-hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:48px;align-items:center;padding:88px 24px 80px;}
.page-hero h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.14;letter-spacing:-.02em;color:#fff;margin-top:18px;}
.page-hero .lead{margin-top:20px;max-width:640px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.72);}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.page-hero-deco{display:flex;flex-direction:column;align-items:flex-end;gap:10px;justify-self:end;}
.deco-num{font-size:clamp(64px,8vw,112px);font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px var(--c-primary);font-variant-numeric:tabular-nums;}
.deco-label{font-size:13px;letter-spacing:.28em;color:rgba(255,255,255,.45);}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section-surface{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px;}
.section-title{font-size:clamp(23px,2.5vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--c-ink);}
.section-sub{margin-top:10px;font-size:15.5px;color:var(--c-muted);max-width:720px;}

/* ---------- Steps ---------- */
.steps{position:relative;display:grid;}
.step{position:relative;display:grid;grid-template-columns:88px minmax(0,1fr);gap:24px;padding-bottom:40px;}
.step:last-child{padding-bottom:0;}
.step:not(:last-child)::before{content:"";position:absolute;left:43px;top:74px;bottom:10px;width:1px;background:var(--c-line);}
.step-num{display:flex;align-items:center;justify-content:center;width:56px;height:56px;margin-left:16px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);font-size:19px;font-weight:800;color:var(--c-ink);font-variant-numeric:tabular-nums;transition:border-color .2s ease,box-shadow .2s ease;}
.step:hover .step-num{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,75,35,.1);}
.step.is-now .step-num{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 0 0 4px rgba(255,75,35,.14);}
.step-body{padding-top:4px;}
.step-body h3{font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.45;}
.step-body p{margin-top:8px;font-size:15.5px;line-height:1.85;color:var(--c-body);max-width:760px;}
.step-tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12.5px;color:var(--c-muted);border:1px solid var(--c-line);margin-top:12px;}

/* ---------- Table ---------- */
.table-wrap{position:relative;overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);box-shadow:var(--sh-1);-webkit-overflow-scrolling:touch;}
.data-table{width:100%;min-width:820px;border-collapse:collapse;}
.data-table th{background:#F1EDE7;font-size:14px;font-weight:700;color:var(--c-ink);text-align:left;padding:16px 20px;white-space:nowrap;}
.data-table td{height:56px;padding:0 20px;border-top:1px solid var(--c-line);font-size:15px;color:var(--c-body);white-space:nowrap;font-variant-numeric:tabular-nums;}
.data-table tbody tr:hover{background:#FFF3EE;}
.data-table th:first-child,.data-table td:first-child{position:sticky;left:0;z-index:2;}
.data-table th:first-child{background:#F1EDE7;}
.data-table td:first-child{background:var(--c-surface);font-weight:600;color:var(--c-ink);}
.data-table tbody tr:hover td:first-child{background:#FFF3EE;}
.table-hint{margin-top:12px;font-size:13px;color:var(--c-muted);}

/* ---------- Media cards ---------- */
.media-list{display:grid;gap:56px;}
.media-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:36px;align-items:center;}
.media-figure{position:relative;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:var(--c-surface);aspect-ratio:3/2;}
.media-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1);}
.media-card:hover .media-figure img{transform:scale(1.03);}
.media-body h3{font-size:20px;font-weight:700;color:var(--c-ink);line-height:1.45;}
.media-body > p{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--c-body);}
.point-list{margin-top:20px;display:grid;gap:14px;}
.point-list li{position:relative;padding-left:20px;font-size:15.5px;color:var(--c-body);}
.point-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-primary);}

/* ---------- QA ---------- */
.qa-list{display:grid;gap:28px;max-width:820px;margin:0 auto;}
.qa-item{border-left:2px solid var(--c-primary);padding:2px 0 2px 20px;}
.qa-item h3{font-size:17.5px;font-weight:700;color:var(--c-ink);line-height:1.5;}
.qa-item p{margin-top:10px;font-size:15.5px;line-height:1.85;color:var(--c-body);}

/* ---------- CTA ---------- */
.cta-section{position:relative;background:linear-gradient(rgba(15,16,21,.62),rgba(15,16,21,.62)),url(/assets/images/backpic/back-2.webp) center/cover no-repeat,var(--c-dark);color:#fff;overflow:hidden;}
.cta-section::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.03) 0 1px,transparent 1px 46px);pointer-events:none;}
.cta-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding:88px 24px;}
.cta-section h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.28;color:#fff;margin-top:18px;letter-spacing:-.01em;}
.cta-list{margin-top:26px;display:grid;gap:16px;}
.cta-list li{position:relative;padding-left:20px;font-size:15.5px;color:rgba(255,255,255,.72);}
.cta-list li::before{content:"";position:absolute;left:0;top:.74em;width:8px;height:8px;border-radius:2px;background:var(--c-primary);}
.cta-card{border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:28px;background:rgba(255,255,255,.03);}
.cta-card h3{font-size:17px;font-weight:700;color:#fff;}
.cta-card ul{margin-top:16px;display:grid;gap:12px;}
.cta-card li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.7);}
.cta-card li i{width:6px;height:6px;border-radius:999px;background:var(--c-accent);margin-top:.68em;flex:0 0 auto;}
.cta-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Footer ---------- */
.footer{background:var(--c-dark);color:#fff;border-top:1px solid rgba(255,255,255,.08);}
.footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer ul li + li{margin-top:12px;}
.footer ul a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer ul a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer .logo-mark::after{background:rgba(255,255,255,.85);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);}
.footer-bottom p{font-size:13px;color:var(--c-muted);}

/* ---------- Reveal ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);}
.js .reveal.is-visible{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .brand-anchors{display:none;}
  .page-hero-inner{grid-template-columns:minmax(0,1fr);padding:72px 24px 64px;}
  .page-hero-deco{display:none;}
  .media-card{grid-template-columns:minmax(0,1fr);gap:24px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:36px;padding:72px 24px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-row{height:56px;}
  .brand-actions{display:none;}
  .nav-toggle{display:flex;}
  .channel-bar{display:none;}
  .channel-bar-wrap{border-bottom-color:transparent;}
  .section{padding:56px 0;}
  .step{grid-template-columns:64px minmax(0,1fr);gap:16px;}
  .step-num{width:48px;height:48px;margin-left:8px;font-size:17px;}
  .step:not(:last-child)::before{left:31px;top:64px;}
  .media-list{gap:40px;}
  .hero-ctas .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-card{padding:22px;}
  .data-table{min-width:720px;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .page-hero h1{font-size:30px;}
  .brand-text{font-size:15.5px;}
  .section-sub{font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .js .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --c-ink:#14151A;--c-ink-2:#22242C;--c-paper:#F6F3EE;--c-surface:#FFFFFF;
  --c-line:#E4DFD7;--c-muted:#6E6A64;--c-primary:#FF4B23;--c-primary-dark:#C93A18;
  --c-accent:#17CFA8;--c-dark:#0F1015;
  --r-card:14px;--r-btn:10px;--r-input:10px;
  --sh-1:0 1px 2px rgba(20,21,26,.04),0 12px 32px -14px rgba(20,21,26,.12);
  --sh-hover:0 18px 44px -18px rgba(255,75,35,.28);
  --font-cn:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.site-body{margin:0;background:var(--c-paper);color:#3A3B42;font-family:var(--font-cn);font-size:17px;line-height:1.9;font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1360px}
.dot-accent{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;box-shadow:0 0 0 4px rgba(23,207,168,.14);flex:0 0 auto}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,238,.95);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 10px 30px -24px rgba(20,21,26,.45)}
.brand-row{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap}
.logo-mark{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--c-primary) 0 52%,var(--c-ink) 52% 100%);display:inline-block;position:relative;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:9px;height:9px;border-radius:2px;background:var(--c-accent)}
.brand-anchors{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--c-muted);margin-right:auto}
.brand-anchors a{position:relative;transition:color .2s ease}
.brand-anchors a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--c-primary);transform:scaleX(0);transition:transform .2s ease}
.brand-anchors a:hover{color:var(--c-ink)}
.brand-anchors a:hover::after{transform:scaleX(1)}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .24s ease,color .24s ease,border-color .24s ease,transform .24s ease,box-shadow .24s ease;position:relative;overflow:hidden;text-align:center}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary::before{content:"";position:absolute;inset:0;background:var(--c-primary-dark);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;z-index:-1}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-outline{border-color:var(--c-ink);color:var(--c-ink);background:transparent}
.btn-outline:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.24);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--c-primary);color:#fff;transform:translateY(-1px)}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-ink);font-size:15px}
.text-link .arw{transition:transform .2s ease}
.text-link:hover{color:var(--c-primary)}
.text-link:hover .arw{transform:translateX(4px)}

.channel-bar-wrap{border-top:1px solid var(--c-line);background:rgba(255,255,255,.55)}
.channel-bar{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-bar::-webkit-scrollbar{display:none}
.channel-link{position:relative;display:inline-flex;align-items:center;height:48px;font-size:15px;font-weight:500;color:var(--c-muted);white-space:nowrap;transition:color .2s ease}
.channel-link::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--c-primary);transition:left .2s ease,right .2s ease}
.channel-link:hover{color:var(--c-ink)}
.channel-link:hover::after{left:0;right:0}
.channel-link.is-active{color:var(--c-ink);font-weight:700}
.channel-link.is-active::after{left:0;right:0}

/* ---------- article layout ---------- */
.article-main{padding:36px 0 88px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:24px}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .current{color:var(--c-ink)}
.article-head{max-width:880px}
.pill{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(255,75,35,.08);color:var(--c-primary);line-height:1}
.article-title{font-size:clamp(24px,3.4vw,38px);line-height:1.3;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;margin:16px 0 0}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);margin-top:18px;padding-bottom:24px;border-bottom:1px solid var(--c-line)}
.meta-line .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line)}
.hero-figure{margin:40px 0 0;max-width:1000px}
.hero-figure .img-wrap{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);aspect-ratio:16/9;background:#EDE8E1}
.hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.hero-figure:hover img{transform:scale(1.03)}
.hero-figure figcaption{font-size:12.5px;color:var(--c-muted);margin-top:12px}

.article-layout{display:grid;grid-template-columns:minmax(0,760px);justify-content:center;gap:56px;margin-top:48px}
.article-aside{display:none}
.toc-card{position:sticky;top:132px}
.toc-title{font-size:13px;font-weight:700;color:var(--c-ink);letter-spacing:.08em;margin:0 0 14px}
.toc-list{display:flex;flex-direction:column}
.toc-list a{display:block;font-size:14px;line-height:1.5;color:var(--c-muted);padding:7px 0 7px 14px;border-left:2px solid var(--c-line);transition:color .2s ease,border-color .2s ease}
.toc-list a:hover{color:var(--c-ink)}
.toc-list a.is-current{color:var(--c-ink);font-weight:600;border-left-color:var(--c-primary)}

.article-body{font-size:17px;line-height:1.9;color:#3A3B42;overflow-wrap:break-word}
.article-body p{margin:0 0 1.25em}
.article-body h2{position:relative;font-size:clamp(23px,2.4vw,26px);font-weight:700;line-height:1.35;color:var(--c-ink);margin:2em 0 .8em;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:3px;border-radius:2px;background:var(--c-primary)}
.article-body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--c-ink);margin:1.6em 0 .6em}
.article-body h4{font-size:16px;font-weight:700;color:var(--c-ink);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.2em}
.article-body ul{list-style:none;padding-left:1.1em}
.article-body ul li{position:relative;margin-bottom:.5em}
.article-body ul li::before{content:"";position:absolute;left:-1.1em;top:.72em;width:6px;height:6px;border-radius:1px;background:var(--c-primary)}
.article-body ol li{margin-bottom:.5em;padding-left:.2em}
.article-body ol li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{margin:1.6em 0;padding:20px 22px;background:#FBF7F4;border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-card);border:1px solid var(--c-line);margin:1.6em auto}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(255,75,35,.35);transition:border-color .2s ease}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0}
.article-body table{display:block;width:100%;overflow-x:auto;border:1px solid var(--c-line);border-radius:12px;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{padding:14px 16px;border-bottom:1px solid var(--c-line);text-align:left;white-space:nowrap}
.article-body th{background:#F1EDE7;color:var(--c-ink);font-weight:700}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:12.5px;color:var(--c-muted);margin-top:10px;text-align:left}
.article-body pre{background:var(--c-ink);color:#F6F3EE;border-radius:12px;padding:18px;overflow-x:auto;font-size:14px;line-height:1.7}

.article-empty{border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);padding:64px 24px;text-align:center}
.article-empty h2{font-size:22px;font-weight:700;color:var(--c-ink);margin:0 0 12px}
.article-empty p{font-size:15px;color:var(--c-muted);margin:0 auto 24px;max-width:520px;line-height:1.85}

.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:48px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--c-line);font-size:13px;color:var(--c-muted);transition:background .2s ease,color .2s ease,border-color .2s ease}
.tag:hover{background:var(--c-ink);border-color:var(--c-ink);color:#fff}

.rel-section{margin-top:56px;padding-top:36px;border-top:1px solid var(--c-line)}
.rel-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:12px}
.rel-head h2{font-size:20px;font-weight:700;color:var(--c-ink);margin:0;line-height:1.4}
.rel-item{display:flex;align-items:center;gap:16px;padding:16px 8px;border-bottom:1px solid var(--c-line);transition:background .2s ease,padding .2s ease}
.rel-item:hover{background:#FBFAF8;padding-left:14px}
.rel-thumb{width:56px;height:56px;flex:0 0 auto;border-radius:10px;object-fit:cover;border:1px solid var(--c-line)}
.rel-body{min-width:0;flex:1}
.rel-body h3{font-size:16px;font-weight:700;color:var(--c-ink);margin:0 0 4px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rel-body p{font-size:13.5px;color:var(--c-muted);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{font-size:13px;color:var(--c-muted);white-space:nowrap}
.rel-arrow{color:var(--c-line);flex:0 0 auto;transition:transform .2s ease,color .2s ease}
.rel-item:hover .rel-arrow{transform:translateX(4px);color:var(--c-primary)}

.cta-band{position:relative;overflow:hidden;background:var(--c-dark);color:#fff;margin-top:88px}
.cta-band .cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.22}
.cta-band .cta-grid{position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 44px),repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 44px);pointer-events:none}
.cta-inner{position:relative;z-index:2}
.cta-title{font-size:clamp(23px,2.5vw,34px);font-weight:700;line-height:1.25;color:#fff;margin:0 0 16px;letter-spacing:-.01em}
.cta-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.68);margin:0 0 26px;max-width:560px}
.cta-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.cta-points li{position:relative;padding-left:20px;font-size:15px;color:rgba(255,255,255,.78);line-height:1.7}
.cta-points li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--c-primary)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.footer{background:var(--c-dark);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08)}
.footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em;margin:0 0 18px}
.footer ul{list-style:none;margin:0;padding:0}
.footer a{display:inline-block;font-size:14px;color:rgba(255,255,255,.6);transition:color .2s ease,transform .2s ease}
.footer a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom p{margin:0}

.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}

@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 240px}
  .article-aside{display:block;align-self:start}
}
@media (max-width:1023px){
  .brand-anchors{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-row{height:56px}
  .brand-actions .btn-outline{display:none}
  .brand-actions .btn-sm{height:34px;padding:0 12px;font-size:13px}
  .article-main{padding:24px 0 56px}
  .article-layout{margin-top:32px;gap:36px}
  .article-body{font-size:16px}
  .article-body table{font-size:14px}
  .rel-item{align-items:flex-start}
  .rel-meta{display:none}
  .cta-band{margin-top:56px}
  .cta-actions .btn{width:100%}
}
@media (max-width:480px){
  .article-title{font-size:26px}
  .article-body{font-size:15.5px}
  .rel-thumb{width:48px;height:48px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --c-ink:#14151A;
  --c-ink-2:#22242C;
  --c-paper:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD7;
  --c-muted:#6E6A64;
  --c-primary:#FF4B23;
  --c-primary-dark:#C93A18;
  --c-accent:#17CFA8;
  --c-dark:#0F1015;
  --body-text:#3A3B42;
  --body-text-2:#54555C;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,21,26,.04), 0 12px 32px -14px rgba(20,21,26,.12);
  --sh-hover:0 18px 44px -18px rgba(255,75,35,.28);
  --font-cn:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--c-paper);
  color:var(--body-text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.88;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1360px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-paper);
  border-bottom:1px solid transparent;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--c-line);
  box-shadow:0 12px 30px -24px rgba(20,21,26,.55);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:26px;height:26px;position:relative;display:inline-block;flex:0 0 auto}
.logo-mark::before{content:"";position:absolute;inset:0;background:var(--c-ink);border-radius:7px}
.logo-mark::after{
  content:"";position:absolute;left:7px;top:7px;width:12px;height:12px;background:var(--c-primary);border-radius:2px;
  clip-path:polygon(0 0,100% 0,100% 100%);
}
.brand-text{font-size:16.5px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap}
.brand-anchors{display:flex;align-items:center;gap:24px;font-size:14.5px;color:var(--body-text-2)}
.brand-anchors a{padding:8px 2px;transition:color .2s ease}
.brand-anchors a:hover{color:var(--c-primary)}
.brand-actions{display:flex;align-items:center;gap:10px}

.channel-bar-wrap{background:var(--c-paper);border-top:1px solid var(--c-line)}
.channel-bar{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-bar::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:48px;
  font-size:15px;font-weight:500;color:var(--body-text-2);white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:9px;height:2px;
  background:var(--c-primary);transition:left .2s ease,right .2s ease;
}
.channel-link:hover::after{left:0;right:0}
.channel-link:hover{color:var(--c-ink)}
.channel-link.is-active{color:var(--c-ink);font-weight:700}
.channel-link.is-active::after{left:0;right:0}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;transition:transform .2s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--c-dark);color:#fff;
  display:none;flex-direction:column;
}
.mobile-drawer.is-open{display:flex}
.mobile-drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-drawer-head .brand-text{color:#fff}
.mobile-drawer-head .logo-mark::before{background:#fff}
.drawer-close{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-size:20px;cursor:pointer;line-height:1}
.drawer-nav{flex:1;overflow-y:auto;padding:12px 0}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;
  font-size:16px;color:rgba(255,255,255,.78);border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer-link::after{content:"→";font-size:14px;color:rgba(255,255,255,.4);transition:transform .2s ease,color .2s ease}
.drawer-link:hover::after{transform:translateX(4px);color:var(--c-primary)}
.drawer-link.is-active{color:#fff;font-weight:700;border-left:3px solid var(--c-primary);padding-left:17px}
.drawer-actions{padding:20px;display:flex;flex-direction:column;gap:12px;border-top:1px solid rgba(255,255,255,.08)}

/* ---------- buttons ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .24s ease,color .24s ease,border-color .24s ease,transform .16s ease,box-shadow .24s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 14px 30px -16px rgba(255,75,35,.7)}
.btn-primary:active{background:var(--c-primary-dark);transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--c-ink);color:var(--c-ink)}
.btn-outline:hover{background:var(--c-ink);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:#fff}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}

.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15.5px;font-weight:600;color:var(--c-ink);
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  padding-bottom:4px;transition:background-size .2s ease;
}
.text-link:hover{background-size:100% 1px}
.text-link i,.text-link .arw{font-style:normal;transition:transform .2s ease}
.text-link:hover .arw{transform:translateX(4px)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-primary{background:rgba(255,75,35,.08);color:var(--c-primary)}
.badge-neutral{background:#fff;border:1px solid var(--c-line);color:var(--body-text-2)}
.badge-dark{background:rgba(255,255,255,.08);color:#fff}
.dot-accent{width:8px;height:8px;border-radius:999px;background:var(--c-accent);display:inline-block;box-shadow:0 0 0 3px rgba(23,207,168,.18);flex:0 0 auto}

/* ---------- page head ---------- */
.page-head{padding:64px 0 40px;border-bottom:1px solid var(--c-line)}
.page-head-grid{display:flex;align-items:flex-start;justify-content:space-between;gap:40px}
.page-title{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.12;letter-spacing:-.02em;
  color:var(--c-ink);margin:16px 0 18px;max-width:760px;
}
.page-lead{font-size:17px;line-height:1.85;color:var(--body-text-2);max-width:680px;margin:0}
.page-deco{
  font-size:clamp(40px,6vw,88px);font-weight:800;line-height:1;letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1px var(--c-primary);flex:0 0 auto;padding-top:6px;
}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);flex-wrap:wrap}
.crumb .sep{color:var(--c-line)}
.crumb .cur{color:var(--c-ink)}

/* ---------- sections ---------- */
.section{padding:64px 0}
section[id]{scroll-margin-top:124px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.08em;margin-bottom:12px}
.section-title{font-size:clamp(23px,2.5vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--c-ink);margin:0 0 20px}
.section-intro{font-size:16.5px;line-height:1.88;color:var(--body-text);margin:0 0 18px}

.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-grid.rev .split-media{order:-1}
.split-grid.rev .split-text{order:2}

.media{
  position:relative;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  background:#EDE8E1;aspect-ratio:3/2;
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.media:hover img{transform:scale(1.03)}

.point-list{list-style:none;margin:0 0 24px;padding:0}
.point-list li{position:relative;padding-left:20px;margin-bottom:16px;font-size:16.5px;line-height:1.8;color:var(--body-text)}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  background:var(--c-primary);border-radius:2px;
}
.point-list li strong{color:var(--c-ink);font-weight:700}

.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .28s cubic-bezier(.22,.61,.36,1),border-color .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--sh-hover)}
.card-title{font-size:18px;font-weight:700;line-height:1.45;color:var(--c-ink);margin:0 0 10px}
.card-text{font-size:15px;line-height:1.8;color:var(--body-text-2);margin:0}

.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.mini-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}
.mini-card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--sh-hover)}
.mini-num{font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px var(--c-primary);margin-bottom:14px;display:block}

/* ---------- notice ---------- */
.notice-card{
  background:#FFF3EE;border-left:3px solid var(--c-primary);border-radius:var(--r-card);
  padding:32px 34px;
}
.notice-card .section-title{margin-bottom:14px}
.notice-card p{margin:0;font-size:16.5px;line-height:1.88;color:var(--body-text)}
.notice-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.notice-head span.label{font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.06em}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;gap:16px;min-height:56px;padding:14px 0;
  cursor:pointer;font-size:17px;font-weight:600;color:var(--c-ink);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-no{font-size:13px;font-weight:600;color:var(--c-muted);flex:0 0 30px}
.faq-icon{
  margin-left:auto;flex:0 0 auto;position:relative;width:28px;height:28px;
  border:1px solid var(--c-line);border-radius:999px;transition:transform .22s ease,border-color .22s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-ink);left:50%;top:50%}
.faq-icon::before{width:12px;height:1.5px;transform:translate(-50%,-50%)}
.faq-icon::after{width:1.5px;height:12px;transform:translate(-50%,-50%)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--c-primary)}
.faq-body{
  border-left:2px solid var(--c-primary);margin-left:30px;padding:2px 0 22px 20px;
  font-size:15px;line-height:1.8;color:var(--body-text-2);
}

/* ---------- fast cards ---------- */
.row-card{
  display:flex;align-items:flex-start;gap:18px;padding:22px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,background-color .28s ease;
}
.row-card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--sh-hover);background:#FBFAF8}
.row-card h3{font-size:17px;font-weight:700;color:var(--c-ink);margin:0 0 6px;line-height:1.45}
.row-card p{margin:0;font-size:14.5px;line-height:1.75;color:var(--body-text-2)}
.row-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  display:grid;place-items:center;font-size:16px;font-weight:800;color:var(--c-primary);background:#FFF8F5;
}

/* ---------- cta dark ---------- */
.cta-dark{position:relative;background:var(--c-dark);color:#fff;padding:88px 0;overflow:hidden;margin-top:24px}
.cta-dark .bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22}
.cta-dark .texture{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 44px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 44px);
}
.cta-dark .container{position:relative;z-index:2}
.cta-dark h2{
  font-size:clamp(23px,2.5vw,32px);font-weight:700;line-height:1.25;color:#fff;margin:0 0 18px;letter-spacing:-.01em;
}
.cta-dark p{font-size:16.5px;line-height:1.88;color:rgba(255,255,255,.72);margin:0 0 18px;max-width:560px}
.dark-points{list-style:none;margin:0 0 28px;padding:0}
.dark-points li{position:relative;padding-left:20px;margin-bottom:14px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.78)}
.dark-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;background:var(--c-primary);border-radius:2px}
.info-panel{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:28px}
.info-panel h3{font-size:17px;font-weight:700;color:#fff;margin:0 0 18px}
.info-line{display:flex;gap:14px;padding:14px 0;border-top:1px solid rgba(255,255,255,.08);font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.7)}
.info-line:first-of-type{border-top:0;padding-top:0}
.info-line b{flex:0 0 92px;color:#fff;font-weight:600}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.footer{background:var(--c-dark);color:#fff;position:relative}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(255,255,255,.08)}
.footer .logo-mark::before{background:#fff}
.footer h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 18px;letter-spacing:.01em}
.footer ul{list-style:none;margin:0;padding:0}
.footer a{display:inline-block;color:rgba(255,255,255,.62);font-size:14px;transition:color .2s ease,transform .2s ease}
.footer a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.45)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}
.reveal-group > *:nth-child(1){transition-delay:0ms}
.reveal-group > *:nth-child(2){transition-delay:60ms}
.reveal-group > *:nth-child(3){transition-delay:120ms}
.reveal-group > *:nth-child(4){transition-delay:180ms}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .brand-anchors{display:none}
  .split-grid{grid-template-columns:1fr;gap:32px}
  .split-grid.rev .split-media{order:0}
  .split-grid.rev .split-text{order:1}
  .mini-grid{grid-template-columns:1fr 1fr}
  .page-head{padding:52px 0 32px}
}
@media (max-width:767px){
  html body{font-size:16px}
  .container{padding:0 16px}
  .brand-row{height:56px}
  .brand-actions .btn-outline{display:none}
  .nav-toggle{display:inline-flex}
  .channel-bar-wrap{display:none}
  .section{padding:56px 0}
  .page-deco{display:none}
  .page-head{padding:40px 0 28px}
  .page-title{font-size:30px}
  .mini-grid{grid-template-columns:1fr}
  .faq-body{margin-left:0;padding-left:16px}
  .notice-card{padding:24px 20px}
  .cta-dark{padding:64px 0}
  .cta-actions .btn{width:100%}
  .info-line b{flex:0 0 84px}
}
@media (min-width:768px){
  .nav-toggle{display:none}
  .mobile-drawer{display:none!important}
}

/* roulang page: category3 */
:root{
  --c-ink:#14151A;
  --c-ink-2:#22242C;
  --c-paper:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD7;
  --c-muted:#6E6A64;
  --c-primary:#FF4B23;
  --c-primary-dark:#C93A18;
  --c-accent:#17CFA8;
  --c-dark:#0F1015;
  --c-body:#3A3B42;
  --r-card:14px;
  --r-input:10px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,21,26,.04), 0 12px 32px -14px rgba(20,21,26,.12);
  --sh-2:0 18px 44px -18px rgba(255,75,35,.28);
  --font:system-ui,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-body);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1200px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,238,.94);
  backdrop-filter:none;
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-stuck{
  border-bottom:1px solid var(--c-line);
  box-shadow:0 8px 24px -18px rgba(20,21,26,.35);
}
.brand-row{
  height:64px;display:flex;align-items:center;gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  position:relative;width:28px;height:28px;border-radius:9px;flex:none;
  background:var(--c-ink);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.10);
}
.logo-mark::before{
  content:"";position:absolute;inset:0;margin:auto;width:12px;height:12px;
  background:var(--c-primary);
  clip-path:polygon(0 0,100% 50%,0 100%);
}
.logo-mark::after{
  content:"";position:absolute;right:5px;bottom:5px;width:6px;height:6px;border-radius:2px;
  background:var(--c-accent);
}
.brand-text{
  font-size:16px;font-weight:800;color:var(--c-ink);letter-spacing:-0.01em;white-space:nowrap;
}
.brand-anchors{display:flex;align-items:center;gap:24px;margin-left:8px}
.brand-anchors a{
  font-size:14px;color:var(--c-muted);transition:color .2s ease;
}
.brand-anchors a:hover{color:var(--c-ink)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color .22s ease, color .22s ease, border-color .22s ease, transform .18s ease, box-shadow .22s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(255,75,35,.7)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px)}
.btn-primary:active{background:var(--c-primary-dark);transform:translateY(0)}
.btn-outline{background:transparent;color:var(--c-ink);border:1px solid var(--c-ink)}
.btn-outline:hover{background:var(--c-ink);color:#fff}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.24)}
.btn-ghost:hover{border-color:var(--c-primary);color:#fff;background:rgba(255,75,35,.12)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-ink);
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  padding-bottom:3px;transition:background-size .2s ease;
}
.link-arrow span.ar{transition:transform .2s ease;font-size:13px}
.link-arrow:hover{background-size:100% 1px}
.link-arrow:hover span.ar{transform:translateX(4px)}

/* ---------- channel bar ---------- */
.channel-bar-wrap{border-top:1px solid var(--c-line)}
.channel-bar{
  height:48px;display:flex;align-items:center;gap:28px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-bar::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-muted);
  height:48px;display:inline-flex;align-items:center;white-space:nowrap;
  transition:color .2s ease;
}
.channel-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:8px;height:2px;background:var(--c-primary);
  transition:left .2s ease, right .2s ease;
}
.channel-link:hover{color:var(--c-ink)}
.channel-link:hover::after{left:0;right:0}
.channel-link.is-active{color:var(--c-ink);font-weight:700}
.channel-link.is-active::after{left:0;right:0}

/* ---------- mobile drawer ---------- */
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  align-items:center;justify-content:center;background:var(--c-surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{
  position:fixed;inset:0;background:var(--c-dark);z-index:80;
  padding:24px;display:none;flex-direction:column;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{
  height:52px;display:flex;align-items:center;justify-content:space-between;
  color:rgba(255,255,255,.82);font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.08);padding-left:14px;position:relative;
}
.drawer nav a.is-active{color:#fff;font-weight:700}
.drawer nav a.is-active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--c-primary);border-radius:2px;
}
.drawer nav a i{font-style:normal;color:rgba(255,255,255,.35)}
.drawer-cta{margin-top:auto;padding-top:24px}

/* ---------- page head ---------- */
.page-head{padding:56px 0 0;border-bottom:1px solid var(--c-line);padding-bottom:36px}
.page-head-inner{display:flex;align-items:flex-end;gap:48px}
.page-head-copy{flex:1;min-width:0}
.breadcrumb{font-size:13px;color:var(--c-muted);display:flex;align-items:center;gap:8px;margin-bottom:18px}
.breadcrumb a{color:var(--c-muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .cur{color:var(--c-ink)}
.page-head h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.14;letter-spacing:-0.02em;
  max-width:16em;
}
.lede{
  margin-top:20px;font-size:17px;line-height:1.85;color:var(--c-body);max-width:62ch;
}
.page-head-tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;font-size:12.5px;line-height:1;
  background:#F1EDE7;color:var(--c-muted);
}
.badge-primary{background:rgba(255,75,35,.08);color:var(--c-primary)}
.badge-accent{background:rgba(23,207,168,.10);color:#0E8F73}
.badge-dark{background:rgba(255,255,255,.08);color:#fff}
.dot-accent{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;flex:none}
.page-head-deco{flex:none;width:230px;position:relative;display:flex;align-items:flex-end;justify-content:flex-end}
.deco-num{
  font-size:clamp(64px,9vw,124px);font-weight:800;line-height:.85;letter-spacing:-0.04em;
  color:transparent;-webkit-text-stroke:1px var(--c-primary);user-select:none;
}
.deco-img{
  position:absolute;right:0;bottom:-6px;width:118px;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--c-line);
}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section-tight{padding:40px 0}
.section-head{margin-bottom:28px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.section-head h2{font-size:clamp(23px,2.5vw,32px);font-weight:700;line-height:1.25}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--c-muted);max-width:66ch}
.eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:12px;display:block;
}

/* ---------- notice strip ---------- */
.notice-strip{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  border:1px solid var(--c-line);border-left:3px solid var(--c-primary);
  background:var(--c-surface);border-radius:var(--r-card);
  padding:16px 22px;box-shadow:var(--sh-1);
}
.notice-strip p{font-size:15px;color:var(--c-body)}
.notice-strip strong{color:var(--c-ink);font-weight:700}

/* ---------- timeline ---------- */
.timeline{position:relative;padding:8px 0}
.timeline::before{
  content:"";position:absolute;left:112px;top:14px;bottom:14px;width:1px;background:var(--c-line);
}
.tl-item{
  position:relative;display:grid;grid-template-columns:88px 1fr;column-gap:24px;
  padding-bottom:40px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:112px;top:9px;width:10px;height:10px;border-radius:50%;
  background:var(--c-surface);border:1px solid var(--c-line);
  transform:translateX(-50%);z-index:1;transition:box-shadow .2s ease;
}
.tl-item:hover::before{box-shadow:0 0 0 8px rgba(255,75,35,.10)}
.tl-item.is-latest::before{
  background:var(--c-primary);border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(255,75,35,.16);
}
.tl-date{text-align:right;padding-top:2px;transition:color .2s ease}
.tl-day{
  display:block;font-size:30px;font-weight:800;line-height:1;color:var(--c-ink);
  font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
}
.tl-ym{display:block;margin-top:8px;font-size:12.5px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.tl-item.is-latest .tl-day{color:var(--c-primary)}
.tl-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.tl-item:hover .tl-body{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--sh-2)}
.tl-body h3{font-size:18px;font-weight:700;line-height:1.45;margin-top:12px}
.tl-body p{margin-top:10px;font-size:15.5px;line-height:1.85;color:var(--c-body)}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- row cards ---------- */
.row-card{
  display:flex;align-items:center;gap:18px;padding:18px 20px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, background-color .22s ease;
}
.row-card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--sh-2)}
.row-thumb{
  width:56px;height:56px;flex:none;border-radius:12px;overflow:hidden;border:1px solid var(--c-line);
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.row-card:hover .row-thumb img{transform:scale(1.06)}
.row-main{flex:1;min-width:0}
.row-main h3{font-size:16.5px;font-weight:700;line-height:1.45}
.row-main p{
  margin-top:6px;font-size:14px;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-arrow{flex:none;color:var(--c-muted);font-size:15px;transition:transform .2s ease, color .2s ease}
.row-card:hover .row-arrow{transform:translateX(4px);color:var(--c-primary)}

/* ---------- info cards ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--sh-2)}
.info-index{
  font-size:13px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.info-card h3{margin-top:14px;font-size:18px;font-weight:700;line-height:1.45}
.info-card p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--c-body)}
.info-card ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.info-card li{
  position:relative;padding-left:16px;font-size:14.5px;color:var(--c-body);line-height:1.75;
}
.info-card li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--c-primary);border-radius:2px;
}

/* ---------- media block ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.media-frame{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);
  aspect-ratio:3/2;box-shadow:var(--sh-1);
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.media-frame:hover img{transform:scale(1.03)}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:24px}
.check-list li{
  position:relative;padding-left:18px;font-size:15.5px;line-height:1.8;color:var(--c-body);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--c-primary);border-radius:2px;
}
.check-list li strong{color:var(--c-ink);font-weight:700}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;min-height:58px;padding:16px 0;
  text-align:left;background:none;
}
.faq-no{
  font-size:13px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;
  flex:none;width:26px;
}
.faq-q .q-text{flex:1;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;transition:color .2s ease}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-muted);
  font-size:15px;line-height:1;transition:transform .22s ease, border-color .22s ease, color .22s ease;
}
.faq-item.is-open .faq-q .q-text{color:var(--c-primary)}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--c-primary);color:var(--c-primary)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
}
.faq-a-inner{
  border-left:2px solid var(--c-primary);padding:2px 0 22px 18px;margin-left:42px;
  font-size:15px;line-height:1.8;color:var(--c-body);
}

/* ---------- cta ---------- */
.cta{
  background:var(--c-dark);color:#fff;position:relative;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 44px),
                   repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 44px);
  opacity:.9;
}
.cta .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;padding:76px 0}
.cta h2{color:#fff;font-size:clamp(23px,2.5vw,32px);font-weight:700;line-height:1.25}
.cta .cta-lede{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.7);max-width:48ch}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.cta-points li{
  position:relative;padding-left:18px;font-size:15px;color:rgba(255,255,255,.8);line-height:1.75;
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--c-primary);border-radius:2px;
}
.form-card{
  background:var(--c-ink-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:28px;
}
.form-card h3{color:#fff;font-size:18px;font-weight:700}
.form-card .hint{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.55)}
.field{margin-top:18px}
.field label{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-input);color:#fff;height:48px;padding:0 14px;outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.36)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,75,35,.18);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.6) 50%),linear-gradient(135deg,rgba(255,255,255,.6) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px, calc(100% - 15px) 21px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field select option{color:#111}
.privacy{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}
.form-note{
  margin-top:14px;font-size:13px;color:var(--c-accent);display:none;
}
.form-note.is-show{display:block}

/* ---------- footer ---------- */
.footer{background:var(--c-dark);color:#fff;border-top:1px solid rgba(255,255,255,.08)}
.footer h4{
  color:#fff;font-size:14px;font-weight:700;margin:0 0 18px;letter-spacing:.02em;
}
.footer ul a{
  color:rgba(255,255,255,.66);font-size:14.5px;transition:color .2s ease, transform .2s ease;
  display:inline-block;
}
.footer ul a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer .logo-mark{background:rgba(255,255,255,.10);box-shadow:inset 0 0 0 1px rgba(255,255,255,.10)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom p{font-size:13px;color:var(--c-muted)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1), transform .48s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .brand-anchors{display:none}
  .nav-toggle{display:inline-flex}
  .brand-actions .btn-outline{display:none}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .split{gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:40px;padding:64px 0}
  .page-head-deco{width:170px}
  .deco-img{display:none}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .brand-row{height:56px}
  .brand-text{font-size:15px}
  .brand-actions .btn-primary.btn-sm{padding:0 12px;font-size:13px}
  .page-head{padding-top:36px;padding-bottom:28px}
  .page-head-inner{display:block}
  .page-head-deco{display:none}
  .page-head h1{max-width:none}
  .lede{font-size:16px}
  .timeline::before{left:5px}
  .tl-item{grid-template-columns:1fr;row-gap:10px;padding-left:26px;padding-bottom:32px}
  .tl-item::before{left:5px;top:7px}
  .tl-date{text-align:left;display:flex;align-items:baseline;gap:10px;padding-top:0}
  .tl-day{font-size:20px}
  .tl-ym{margin-top:0}
  .tl-body{padding:18px 18px}
  .info-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .split.rev .media-frame{order:-1}
  .btn{width:100%}
  .btn-sm{width:auto}
  .brand-actions .btn-sm{width:auto}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .faq-a-inner{margin-left:16px}
  .cta-grid{padding:56px 0}
}
@media (max-width:479px){
  h1{font-size:30px}
  body{font-size:16px}
  .container{padding:0 16px}
  .row-thumb{width:48px;height:48px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
}