/* roulang page: index */
:root{
  --ink:#10352E;
  --ink-2:#1C4A41;
  --ink-3:#2C6B5E;
  --lime:#C6F24E;
  --coral:#FF6A3D;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --line-2:#D8D2C6;
  --text:#1A1C1B;
  --muted:#6B7370;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-p:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 8px 24px rgba(16,53,46,.08);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:17px;
  line-height:1.8;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease)}
a:hover{color:var(--ink-3)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-0.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

.container-x{max-width:1320px;margin:0 auto;padding:0 24px}
@media(min-width:992px) and (max-width:1399px){.container-x{max-width:1240px}}
@media(max-width:767px){.container-x{padding:0 16px}}

/* ============ HEADER ============ */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,240,.92);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),backdrop-filter .24s var(--ease);
  border-bottom:1px solid transparent;
}
.site-head.is-stuck{border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.head-top{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:30px;height:30px;flex:0 0 auto}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-0.01em;color:var(--ink);white-space:nowrap}
.head-search{flex:1 1 auto;max-width:320px;position:relative}
.head-search input{
  width:100%;height:44px;border-radius:var(--r-p);border:1px solid var(--line-2);
  background:#fff;padding:0 18px 0 42px;font-size:15px;color:var(--text);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.head-search input::placeholder{color:#98A09C}
.head-search input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(198,242,78,.45)}
.head-search .s-ico{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--muted)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:18px;flex:0 0 auto}
.link-quiet{font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line-2);padding-bottom:2px}
.link-quiet:hover{border-color:var(--lime);color:var(--ink)}
.btn-lime{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:var(--lime);color:var(--ink);border:1px solid var(--lime);
  border-radius:var(--r-p);padding:11px 24px;font-size:15px;font-weight:700;
  transition:background .22s var(--ease),transform .18s var(--ease),color .22s var(--ease);
}
.btn-lime:hover{background:#B7E63C;border-color:#B7E63C;color:var(--ink)}
.btn-lime:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:transparent;color:var(--ink);border:1px solid var(--ink-2);
  border-radius:var(--r-p);padding:10px 22px;font-size:15px;font-weight:600;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ghost:active{transform:translateY(1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--ink-2);padding-bottom:2px}
.btn-text .arw{transition:transform .22s var(--ease)}
.btn-text:hover{border-color:var(--lime);color:var(--ink)}
.btn-text:hover .arw{transform:translateX(4px)}
.burger{
  margin-left:auto;display:none;width:44px;height:44px;border-radius:var(--r-m);
  border:1px solid var(--line-2);background:#fff;align-items:center;justify-content:center;gap:4px;flex-direction:column;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.burger.is-on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-on span:nth-child(2){opacity:0}
.burger.is-on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.channel-bar{border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.channel-inner::-webkit-scrollbar{display:none}
.chan{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  padding:15px 16px;font-size:16px;font-weight:600;color:var(--muted);
  transition:color .22s var(--ease);
}
.chan::after{
  content:"";position:absolute;left:16px;right:16px;bottom:8px;height:3px;border-radius:3px;
  background:var(--lime);transform:scaleX(0);transform-origin:center;
  transition:transform .26s var(--ease);
}
.chan:hover{color:var(--ink)}
.chan:hover::after{transform:scaleX(.55)}
.chan.active{color:var(--ink)}
.chan.active::after{transform:scaleX(1)}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:1060;background:var(--bg);
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:42px;height:42px;border-radius:var(--r-m);border:1px solid var(--line-2);background:#fff;font-size:20px;line-height:1;color:var(--ink)}
.drawer-body{padding:12px 20px 28px;overflow-y:auto;flex:1 1 auto}
.drawer-link{display:block;padding:18px 4px;font-size:22px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--ink-3)}
.drawer-foot{padding:20px}
.drawer-foot .btn-lime{width:100%}
body.no-scroll{overflow:hidden}

/* ============ HERO ============ */
.hero{padding:72px 0 88px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--ink-2);border-radius:var(--r-p);
  padding:6px 14px;font-size:13px;letter-spacing:.06em;color:var(--ink-2);margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--coral)}
.hero h1{font-size:clamp(30px,4.2vw,58px);font-weight:800;letter-spacing:-0.02em;color:var(--ink)}
.hero h1 .hl{background:linear-gradient(transparent 66%,rgba(198,242,78,.85) 66%)}
.hero-sub{margin-top:20px;font-size:19px;color:var(--muted);max-width:34ch}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.hero-tags{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--muted)}
.hero-tags .sep{width:1px;height:14px;background:var(--line-2)}
.hero-media{position:relative;border-radius:var(--r-l);overflow:hidden;background:var(--bg);border:1px solid var(--line)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(16,53,46,.08);pointer-events:none}
.hero-corner{
  position:absolute;right:14px;bottom:14px;z-index:2;background:rgba(247,245,240,.94);
  border-radius:var(--r-p);padding:6px 14px;font-size:13px;color:var(--ink);letter-spacing:.04em;
}
.fade-in{opacity:0;transform:translateY(12px);animation:rise .6s var(--ease) forwards}
.fade-in.d2{animation-delay:.06s}
.fade-in.d3{animation-delay:.12s}
.fade-in.d4{animation-delay:.18s}
@keyframes rise{to{opacity:1;transform:translateY(0)}}

/* ============ SECTIONS ============ */
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-dark{background:var(--ink);color:#EDF2EE}
.sec-dark h2,.sec-dark h3{color:#fff}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:34px;color:var(--ink)}
.sec-head p{margin-top:14px;color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime)}

/* story */
.story-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px}
.story-left h2{font-size:32px;color:var(--ink);padding-left:16px;border-left:3px solid var(--lime);line-height:1.35}
.story-left p{margin-top:18px;color:var(--muted);font-size:15px}
.story-right p+p{margin-top:22px}
.story-right p{color:#2C3230}

/* featured */
.feat-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.feat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  display:flex;flex-direction:column;
}
.feat-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-card)}
.feat-main{flex-direction:row}
.feat-main .feat-media{flex:0 0 50%;overflow:hidden}
.feat-main .feat-body{flex:1 1 auto;padding:32px}
.feat-side{display:flex;flex-direction:column;gap:24px}
.feat-side .feat-card{flex:1 1 auto;flex-direction:row;align-items:stretch}
.feat-side .feat-media{flex:0 0 34%;overflow:hidden}
.feat-side .feat-body{padding:22px 24px;display:flex;flex-direction:column;justify-content:center}
.feat-media img{width:100%;height:100%;min-height:150px;object-fit:cover;transition:transform .5s var(--ease)}
.feat-card:hover .feat-media img{transform:scale(1.03)}
.feat-no{font-size:13px;letter-spacing:.12em;color:var(--ink-3);font-weight:700}
.feat-card h3{margin-top:12px;font-size:22px;color:var(--ink)}
.feat-side .feat-card h3{font-size:19px}
.feat-card p{margin-top:12px;color:var(--muted);font-size:15px}
.feat-more{margin-top:16px;font-size:14px;font-weight:600;color:var(--ink)}

/* news list */
.news-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden}
.news-row{
  display:grid;grid-template-columns:auto 1fr auto auto;gap:20px;align-items:center;
  padding:22px 26px;border-bottom:1px solid var(--line);color:var(--text);
  transition:background .22s var(--ease);
}
.news-row:last-child{border-bottom:none}
.news-row:hover{background:#FBFAF6;color:var(--text)}
.news-cat{
  display:inline-block;border:1px solid var(--line-2);border-radius:var(--r-p);
  padding:4px 12px;font-size:12px;letter-spacing:.06em;color:var(--ink-2);white-space:nowrap;
}
.news-main{min-width:0}
.news-title{font-size:19px;font-weight:600;color:var(--ink);transition:color .22s var(--ease);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:0}
.news-row:hover .news-title{color:var(--ink-3)}
.news-desc{margin-top:6px;font-size:14px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-time{font-size:14px;color:var(--muted);white-space:nowrap}
.news-arrow{color:var(--ink-3);font-size:18px;transition:transform .22s var(--ease)}
.news-row:hover .news-arrow{transform:translateX(3px)}
.empty-state{
  border:1px dashed var(--line-2);border-radius:var(--r-m);margin:26px;
  padding:44px 20px;text-align:center;color:var(--muted);
}
.empty-state .ei{font-size:26px;color:var(--ink-3);margin-bottom:10px}
.empty-state a{display:inline-block;margin-top:14px;font-weight:600;border-bottom:1px solid var(--line-2)}
.list-foot{padding:18px 26px;border-top:1px solid var(--line);background:#FBFAF6;text-align:center}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--line);padding-top:44px;margin-top:8px}
.stat b{display:block;font-size:44px;line-height:1.1;color:var(--ink);font-weight:800;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted)}
.assure{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px 28px}

/* faq */
.faq-acc .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;padding:18px 0;
  display:flex;align-items:center;gap:18px;width:100%;color:var(--ink);font-size:19px;font-weight:600;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button::after{display:none}
.faq-no{font-size:13px;letter-spacing:.1em;color:var(--ink-3);font-weight:700;flex:0 0 auto;font-variant-numeric:tabular-nums}
.faq-q{flex:1 1 auto;text-align:left}
.faq-sign{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.faq-sign::before{left:0;top:8px;width:18px;height:2px}
.faq-sign::after{top:0;left:8px;width:2px;height:18px}
.faq-acc .accordion-button:not(.collapsed) .faq-sign::after{transform:rotate(90deg);opacity:0}
.faq-acc .accordion-body{padding:0 0 26px 36px;color:#3A413E;font-size:16px;line-height:1.8;position:relative}
.faq-acc .accordion-body::before{content:"";position:absolute;left:14px;top:4px;bottom:24px;width:2px;background:var(--lime);border-radius:2px}

/* cta */
.cta-band{padding:72px 0;background:var(--ink);color:#EDF2EE}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center}
.cta-grid h2{font-size:32px;color:#fff}
.cta-grid p{margin-top:14px;color:#BFCFC8;font-size:16px}
.cta-form{display:flex;gap:12px}
.cta-form input{
  flex:1 1 auto;height:52px;border-radius:var(--r-p);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.4);color:#fff;padding:0 22px;font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-form input::placeholder{color:#9FB3AB}
.cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(198,242,78,.5)}
.cta-form .btn-lime{height:52px;padding:0 28px}
.cta-note{margin-top:14px;font-size:13px;color:#9FB3AB}

/* footer */
.site-foot{background:var(--ink);color:#C9D6D0;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.foot-brand .brand-text{color:#fff;font-size:19px}
.foot-brand p{margin-top:16px;font-size:14px;color:#9FB3AB;max-width:34ch}
.foot-col h4{font-size:14px;letter-spacing:.08em;color:#fff;margin-bottom:18px;font-weight:700}
.foot-col li+li{margin-top:12px}
.foot-col a{color:#C9D6D0;font-size:14px}
.foot-col a:hover{color:var(--lime)}
.foot-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#8FA49C;
}
.foot-bottom .dom{font-variant-numeric:tabular-nums}

@media(max-width:1199px){
  .head-search{max-width:220px}
}
@media(max-width:991px){
  .head-search,.head-actions{display:none}
  .burger{display:flex}
  .head-top{min-height:64px}
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .sec{padding:64px 0}
  .story-grid{grid-template-columns:1fr;gap:28px}
  .feat-grid{grid-template-columns:1fr}
  .feat-main{flex-direction:column}
  .feat-main .feat-media{flex:0 0 auto}
  .cta-grid{grid-template-columns:1fr;gap:24px}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:767px){
  body{font-size:16px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:17px}
  .sec-head h2{font-size:26px}
  .story-left h2{font-size:24px}
  .cta-grid h2{font-size:26px}
  .news-row{grid-template-columns:1fr auto;gap:10px 14px;padding:18px}
  .news-cat{grid-column:1/2}
  .news-time{grid-column:2/3;text-align:right}
  .news-main{grid-column:1/3}
  .news-arrow{display:none}
  .news-title{white-space:normal;font-size:17px}
  .news-desc{white-space:normal}
  .feat-side .feat-card{flex-direction:column}
  .feat-side .feat-media{flex:0 0 auto}
  .cta-form{flex-direction:column}
  .cta-form .btn-lime{width:100%}
  .faq-acc .accordion-button{font-size:17px;gap:12px}
  .faq-acc .accordion-body{padding-left:28px}
  .stat b{font-size:34px}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .fade-in{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand:#10352E;
  --brand-2:#1C4A41;
  --brand-3:#2C6B5E;
  --lime:#C6F24E;
  --lime-deep:#B4E33A;
  --coral:#FF6A3D;
  --bg:#F7F5F0;
  --bg-soft:#FBFAF6;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --line-2:#D8D2C6;
  --ink:#1A1C1B;
  --ink-2:#6B7370;
  --r-s:8px; --r-m:12px; --r-l:18px; --r-p:999px;
  --sh:0 8px 24px rgba(16,53,46,.08);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto 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:17px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3}
input,button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container-x{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
@media (max-width:1399px){.container-x{max-width:1240px}}
@media (max-width:767px){.container-x{padding:0 16px}}

/* ---------- 站点头部 ---------- */
.site-head{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.94);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:border-color var(--t)}
.site-head.is-scrolled{border-bottom-color:var(--line)}
.head-top{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:30px;height:30px;flex:0 0 auto}
.brand-text{font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--brand)}
.head-search{position:relative;flex:0 1 300px;margin-left:auto}
.head-search input{width:100%;height:42px;border-radius:var(--r-p);border:1px solid var(--line-2);background:#fff;padding:0 16px 0 42px;font-size:14.5px;color:var(--ink);outline:none;transition:border-color var(--t),box-shadow var(--t)}
.head-search input::placeholder{color:#9AA29E}
.head-search input:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(198,242,78,.55)}
.s-ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-2);pointer-events:none}
.head-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.link-quiet{font-size:14.5px;font-weight:600;color:var(--brand-2);border-bottom:1px solid transparent;transition:border-color var(--t),color var(--t)}
.link-quiet:hover{color:var(--brand);border-bottom-color:var(--lime)}
.btn-lime{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;border-radius:var(--r-p);background:var(--lime);border:1px solid var(--lime);color:var(--brand);font-weight:700;font-size:14.5px;letter-spacing:.01em;transition:background var(--t),border-color var(--t),transform var(--t);white-space:nowrap}
.btn-lime:hover{background:var(--lime-deep);border-color:var(--lime-deep)}
.btn-lime:active{transform:translateY(1px)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;border-radius:var(--r-p);background:transparent;border:1px solid var(--brand);color:var(--brand);font-weight:700;font-size:14.5px;transition:background var(--t),color var(--t)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line-2);border-radius:var(--r-m);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.channel-bar{border-top:1px solid var(--line)}
.channel-inner{display:flex;gap:26px;align-items:stretch;height:52px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.channel-inner::-webkit-scrollbar{display:none}
.chan{position:relative;display:inline-flex;align-items:center;white-space:nowrap;scroll-snap-align:center;font-size:15px;font-weight:600;color:var(--ink-2);padding:0 2px;transition:color var(--t)}
.chan::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--lime);transition:left var(--t),right var(--t)}
.chan:hover{color:var(--brand)}
.chan:hover::after{left:0;right:0}
.chan.active{color:var(--brand)}
.chan.active::after{left:0;right:0}
@media (max-width:991px){
  .head-search,.head-actions{display:none}
  .burger{display:flex;margin-left:auto}
  .head-top{height:62px}
}
.drawer{position:fixed;inset:0;z-index:90;background:var(--brand);color:#fff;transform:translateY(-102%);transition:transform .3s cubic-bezier(.2,.7,.3,1);padding:22px 22px 32px;overflow-y:auto;display:flex;flex-direction:column}
.drawer.open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-top .brand-text{color:#fff}
.d-close{width:42px;height:42px;border-radius:var(--r-m);border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer}
.drawer nav{margin-top:26px;display:flex;flex-direction:column}
.drawer nav a{font-size:24px;font-weight:800;color:#fff;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.drawer nav a.active{color:var(--lime)}
.drawer .btn-lime{margin-top:28px;height:50px;font-size:16px}
body.no-scroll{overflow:hidden}

/* ---------- 面包屑 ---------- */
.page-main{padding:34px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.crumb a{transition:color var(--t)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{width:1px;height:12px;background:var(--line-2);display:inline-block}
.crumb .now{color:var(--ink);max-width:min(60vw,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.art-head{max-width:820px;padding:24px 0 34px}
.cat-pill{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-p);border:1px solid var(--brand-3);background:#fff;color:var(--brand);font-size:12.5px;font-weight:600;letter-spacing:.06em}
.art-head h1{font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.24;color:var(--brand);margin:18px 0 0}
.meta-bar{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:20px;font-size:13.5px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.meta-bar span{display:inline-flex;align-items:center;gap:7px}
.meta-bar .dot{width:5px;height:5px;border-radius:50%;background:var(--line-2)}

/* ---------- 正文区 ---------- */
.art-wrap{padding-bottom:8px}
.prose{max-width:760px;margin:0 auto;font-size:17.5px;line-height:1.9;color:var(--ink)}
.prose p{margin:0 0 1.2em}
.prose h2{font-size:26px;font-weight:700;color:var(--brand);margin:46px 0 18px;padding-left:16px;position:relative;letter-spacing:-.01em}
.prose h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:3px;background:var(--lime)}
.prose h3{font-size:21px;font-weight:600;color:var(--brand);margin:32px 0 14px}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.35em}
.prose ul li,.prose ol li{margin:.42em 0;line-height:1.85}
.prose blockquote{margin:28px 0;padding:18px 22px;background:#F1EFE9;border-left:3px solid var(--brand-3);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--brand-2)}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-m);margin:26px 0;width:100%;height:auto}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2);transition:text-decoration-color var(--t),color var(--t)}
.prose a:hover{color:var(--brand-3);text-decoration-color:var(--lime)}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;word-break:break-word}
.prose th{background:#F1EFE9;color:var(--brand);font-weight:700}
.prose code{background:#F1EFE9;border-radius:6px;padding:2px 6px;font-size:.92em}
.prose hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.prose figure{margin:26px 0}
.prose figcaption{text-align:center;font-size:13px;color:var(--ink-2);margin-top:8px}
.miss-box{max-width:760px;margin:0 auto;background:#fff;border:1px dashed var(--line-2);border-radius:var(--r-l);padding:56px 24px;text-align:center}
.miss-box .m-ico{width:56px;height:56px;margin:0 auto;border-radius:50%;background:var(--bg);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand-3)}
.miss-box h2{font-size:22px;color:var(--brand);margin:18px 0 8px}
.miss-box p{font-size:15px;color:var(--ink-2);margin:0 0 22px}

/* ---------- 标签与返回 ---------- */
.tag-list{max-width:760px;margin:38px auto 0;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-list .t-label{font-size:13px;color:var(--ink-2);letter-spacing:.06em;margin-right:4px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-p);border:1px solid var(--line-2);background:#fff;font-size:13px;color:var(--ink-2);transition:border-color var(--t),color var(--t),background var(--t)}
.tag:hover{border-color:var(--lime);color:var(--brand);background:#FCFEF2}
.back-row{max-width:760px;margin:26px auto 0}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand);border-bottom:1px solid var(--line-2);padding-bottom:3px;transition:border-color var(--t)}
.link-arrow:hover{border-bottom-color:var(--lime)}
.link-arrow svg{transition:transform var(--t)}
.link-arrow:hover svg{transform:translateX(-4px)}

/* ---------- 相关推荐 ---------- */
.rel-sec{margin-top:76px;padding-top:54px;border-top:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.sec-head h2{font-size:28px;font-weight:700;color:var(--brand);letter-spacing:-.01em}
.sec-head p{margin:8px 0 0;font-size:14.5px;color:var(--ink-2)}
.rel-list{display:grid}
.rel-item{display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:18px;align-items:center;padding:14px 8px;border-bottom:1px solid var(--line);transition:background var(--t)}
.rel-item:first-child{border-top:1px solid var(--line)}
.rel-item:hover{background:var(--bg-soft)}
.rel-thumb{width:96px;height:64px;border-radius:var(--r-s);overflow:hidden;border:1px solid var(--line);background:var(--bg)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.rel-item:hover .rel-thumb img{transform:scale(1.03)}
.rel-item h3{font-size:17.5px;font-weight:600;color:var(--ink);margin:0 0 6px;transition:color var(--t)}
.rel-item:hover h3{color:var(--brand)}
.rel-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.rel-arrow{color:var(--ink-2);transition:transform var(--t),color var(--t)}
.rel-item:hover .rel-arrow{transform:translateX(3px);color:var(--brand)}

/* ---------- CTA 横条 ---------- */
.cta-band{margin-top:84px;background:var(--brand);color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-90px;top:-100px;width:300px;height:300px;border-radius:50%;background:rgba(198,242,78,.10)}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px;padding:46px 0}
.cta-inner h2{font-size:26px;font-weight:800;letter-spacing:-.01em}
.cta-inner p{margin:10px 0 0;font-size:15px;color:rgba(255,255,255,.78);max-width:620px}
.cta-inner .btn-lime{height:50px;padding:0 28px;font-size:15.5px}

/* ---------- 页脚 ---------- */
.site-foot{background:#0B2822;color:#D6E1DC;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px}
.foot-brand .brand-text{color:#fff;font-size:19px}
.foot-brand p{margin:16px 0 0;font-size:14px;line-height:1.78;color:rgba(214,225,220,.72);max-width:340px}
.foot-col h4{font-size:13.5px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:16px}
.foot-col ul{list-style:none;display:grid;gap:11px}
.foot-col a{font-size:14px;color:rgba(214,225,220,.76);transition:color var(--t)}
.foot-col a:hover{color:var(--lime)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(214,225,220,.6)}
.foot-bottom .dom{font-variant-numeric:tabular-nums}

/* ---------- 响应式 ---------- */
@media (max-width:991px){
  .cta-inner{grid-template-columns:1fr;padding:38px 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .art-head{padding:20px 0 28px}
}
@media (max-width:767px){
  .prose{font-size:16.5px}
  .prose h2{font-size:22px;margin:36px 0 16px}
  .prose h3{font-size:19px}
  .rel-sec{margin-top:56px;padding-top:40px}
  .sec-head h2{font-size:23px}
  .cta-band{margin-top:60px}
  .cta-inner h2{font-size:22px}
}
@media (max-width:575px){
  .foot-grid{grid-template-columns:1fr}
  .rel-item{grid-template-columns:72px minmax(0,1fr);gap:12px;padding:14px 4px}
  .rel-thumb{width:72px;height:48px}
  .rel-arrow{display:none}
  .rel-item h3{font-size:16px}
  .miss-box{padding:40px 18px}
  .art-head h1{font-size:29px}
}

/* roulang page: category1 */
:root{
  --ink:#1A1C1B;
  --ink-2:#6B7370;
  --bg:#F7F5F0;
  --bg-soft:#FBFAF6;
  --surface:#FFFFFF;
  --line:#E3DFD6;
  --line-2:#D8D2C6;
  --brand:#10352E;
  --brand-1:#1C4A41;
  --brand-2:#2C6B5E;
  --lime:#C6F24E;
  --lime-d:#B6E23C;
  --coral:#FF6A3D;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-p:999px;
  --sh:0 8px 24px rgba(16,53,46,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe 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:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.container-x{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
@media (max-width:1399px){.container-x{max-width:1240px}}
@media (max-width:767px){.container-x{padding:0 16px}}

/* ---------- Header ---------- */
.site-head{
  position:sticky;top:0;z-index:200;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.site-head.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(16,53,46,.05)}
.head-top{display:flex;align-items:center;gap:22px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:30px;height:30px;flex:0 0 30px}
.brand-text{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-0.01em;white-space:nowrap}

.head-search{position:relative;flex:1 1 auto;max-width:320px}
.head-search .s-ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-2);pointer-events:none}
.head-search input{
  width:100%;height:42px;border-radius:var(--r-p);
  border:1px solid var(--line-2);background:#fff;
  padding:0 18px 0 40px;font-size:15px;color:var(--ink);
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.head-search input::placeholder{color:#9AA19D}
.head-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(198,242,78,.6)}

.head-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.link-quiet{font-size:15px;color:var(--ink-2);border-bottom:1px solid transparent;transition:color var(--t) var(--ease),border-color var(--t) var(--ease)}
.link-quiet:hover{color:var(--brand);border-bottom-color:var(--lime)}

.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--lime);color:var(--brand);
  border:1px solid transparent;border-radius:var(--r-p);
  padding:11px 22px;font-size:15px;font-weight:700;line-height:1.2;
  transition:background var(--t) var(--ease),transform var(--t) var(--ease),color var(--t) var(--ease);
}
.btn-lime:hover{background:var(--lime-d);color:var(--brand);transform:translateY(-1px)}
.btn-lime:active{transform:translateY(0)}

.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);
  border:1px solid var(--brand);border-radius:var(--r-p);
  padding:10px 20px;font-size:15px;font-weight:600;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.btn-outline:hover{background:var(--brand);color:#fff}

.search-toggle,.burger{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-p);
  border:1px solid var(--line-2);background:#fff;color:var(--brand);
  cursor:pointer;padding:0;
}
.search-toggle svg{width:18px;height:18px}
.burger{flex-direction:column;gap:4px}
.burger span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}

.channel-bar{border-top:1px solid var(--line)}
.channel-inner{
  display:flex;align-items:center;gap:2px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.chan{
  position:relative;display:inline-block;
  padding:14px 16px;font-size:15px;color:var(--ink-2);
  white-space:nowrap;scroll-snap-align:start;
  transition:color var(--t) var(--ease);
}
.chan::after{
  content:"";position:absolute;left:16px;right:16px;bottom:9px;height:3px;
  border-radius:var(--r-p);background:var(--lime);
  transform:scaleX(0);transform-origin:center;
  transition:transform 240ms var(--ease);
}
.chan:hover{color:var(--brand)}
.chan:hover::after{transform:scaleX(1)}
.chan.active{color:var(--brand);font-weight:700}
.chan.active::after{transform:scaleX(1)}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:400;background:var(--bg);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;padding:20px 20px 28px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-p);border:1px solid var(--line-2);
  background:#fff;color:var(--brand);font-size:22px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;padding:20px 0;flex:1 1 auto}
.drawer-nav a{
  font-size:24px;font-weight:700;color:var(--ink);padding:16px 0;
  border-bottom:1px solid var(--line);transition:color var(--t) var(--ease)
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand)}
.drawer-cta{width:100%}
body.no-scroll{overflow:hidden}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:34px;font-weight:700;color:var(--brand)}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-block;font-family:var(--font-num);font-size:12px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2);
  margin-bottom:14px;font-weight:700;
}

/* ---------- Page head ---------- */
.page-head{padding:44px 0 84px}
.breadcrumb-x{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.breadcrumb-x a{transition:color var(--t) var(--ease)}
.breadcrumb-x a:hover{color:var(--brand)}
.breadcrumb-x .sep{color:var(--line-2)}
.breadcrumb-x .cur{color:var(--brand);font-weight:600}
.head-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;margin-top:34px}
.pill{
  display:inline-block;border:1px solid var(--line-2);border-radius:var(--r-p);
  padding:5px 14px;font-size:13px;letter-spacing:.06em;color:var(--brand-2);background:#fff;
}
.head-copy h1{
  margin-top:20px;
  font-size:clamp(30px,4vw,52px);font-weight:800;letter-spacing:-0.02em;color:var(--brand);
}
.head-copy .lead{margin-top:20px;font-size:17px;color:var(--ink-2);max-width:34em}
.tag-row{display:flex;align-items:center;gap:14px;margin-top:26px;flex-wrap:wrap;font-size:14px;color:var(--ink-2)}
.tag-row i{display:block;width:26px;height:1px;background:var(--line-2)}

.media{position:relative;border-radius:var(--r-l);overflow:hidden;background:var(--bg);border:1px solid var(--line)}
.media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform 260ms var(--ease)}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(16,53,46,.06),rgba(16,53,46,.10));
}
.media:hover img{transform:scale(1.03)}
.media figcaption{
  position:absolute;right:16px;bottom:14px;z-index:2;
  font-family:var(--font-num);font-size:12px;letter-spacing:.08em;
  color:#fff;background:rgba(16,53,46,.55);padding:4px 10px;border-radius:var(--r-p);
  font-variant-numeric:tabular-nums;
}

/* ---------- Points list ---------- */
.point-list{border-top:1px solid var(--line)}
.point{
  display:grid;grid-template-columns:118px 1fr;gap:34px;
  padding:38px 8px;border-bottom:1px solid var(--line);
  transition:background var(--t) var(--ease);
}
.point:hover{background:var(--bg-soft)}
.point .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:36px;font-weight:800;color:var(--brand);letter-spacing:-0.02em;line-height:1;
  transition:color var(--t) var(--ease);
}
.point:hover .num{color:var(--brand-2)}
.point h3{font-size:22px;font-weight:600;color:var(--ink)}
.point p{margin-top:12px;color:var(--ink-2);font-size:16px;max-width:62em}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.split-copy h2{font-size:34px;font-weight:700;color:var(--brand)}
.split-copy p{margin-top:20px;color:var(--ink-2);max-width:64ch}
.mini-list{margin-top:26px;border-top:1px solid var(--line)}
.mini-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;
}
.mini-list li span.dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--lime);
  margin-top:11px;
}

/* ---------- Dark flow ---------- */
.section-dark{background:var(--brand);color:#fff}
.section-dark .dark-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.section-dark h2{font-size:34px;font-weight:700;color:#fff}
.section-dark .dark-copy p{margin-top:18px;color:rgba(255,255,255,.72);max-width:40ch}
.section-dark .dark-copy .btn-lime{margin-top:28px}
.steps{border-top:1px solid rgba(255,255,255,.16)}
.step{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.step:last-child{border-bottom:0}
.step .s-num{
  flex:0 0 76px;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--lime);padding-top:6px;
}
.step h3{font-size:20px;font-weight:600;color:#fff}
.step p{margin-top:8px;color:rgba(255,255,255,.72);font-size:15.5px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-intro h2{font-size:34px;font-weight:700;color:var(--brand)}
.faq-intro p{margin-top:16px;color:var(--ink-2);font-size:16px}
.faq-acc{
  --bs-accordion-border-color:transparent;
  --bs-accordion-border-radius:0;
  --bs-accordion-inner-border-radius:0;
  --bs-accordion-bg:transparent;
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--brand);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-color:var(--ink);
  border-top:1px solid var(--line);
}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  display:flex;align-items:center;gap:16px;
  min-height:56px;padding:16px 52px 16px 16px;
  background:transparent;color:var(--ink);
  font-size:19px;font-weight:600;border-radius:0;box-shadow:none;
  transition:box-shadow var(--t) var(--ease),color var(--t) var(--ease),padding var(--t) var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);box-shadow:inset 3px 0 0 var(--lime);padding-left:22px;
}
.faq-acc .accordion-button::after{display:none}
.q-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand-2);flex:0 0 auto;
}
.q-ico{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;border:1px solid var(--line-2);
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.q-ico::before,.q-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);
  transform:translate(-50%,-50%);transition:transform 240ms var(--ease);
}
.q-ico::before{width:10px;height:1.6px}
.q-ico::after{width:1.6px;height:10px}
.faq-acc .accordion-button:not(.collapsed) .q-ico{background:var(--lime);border-color:var(--lime)}
.faq-acc .accordion-button:not(.collapsed) .q-ico::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-acc .accordion-body{
  padding:4px 40px 28px 22px;color:var(--ink-2);font-size:16px;line-height:1.8;
}
.faq-acc .accordion-body p + p{margin-top:10px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand);color:#fff;border-radius:var(--r-l);
  padding:52px 56px;display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(198,242,78,.10);
}
.cta-band h2{font-size:30px;font-weight:700;color:#fff;position:relative}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:16px;max-width:44ch;position:relative}
.cta-band .btn-lime{position:relative;padding:13px 26px}

/* ---------- Footer ---------- */
.site-foot{background:var(--brand);color:#fff;margin-top:0;padding:76px 0 0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px}
.foot-brand .brand-text{color:#fff;font-size:19px;font-weight:800}
.foot-brand p{margin-top:16px;color:rgba(255,255,255,.68);font-size:15px;max-width:34ch}
.foot-col h4{font-size:15px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.foot-col ul li{margin-bottom:11px}
.foot-col ul a{font-size:15px;color:rgba(255,255,255,.72);transition:color var(--t) var(--ease)}
.foot-col ul a:hover{color:var(--lime)}
.foot-bottom{
  margin-top:56px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.foot-bottom .dom{font-family:var(--font-num);letter-spacing:.02em}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .head-grid{gap:40px}
  .section{padding:80px 0}
}
@media (max-width:991px){
  body{font-size:16px}
  .head-top{height:60px;gap:12px}
  .head-actions{display:none}
  .search-toggle,.burger{display:inline-flex}
  .head-search{
    position:absolute;left:0;right:0;top:60px;max-width:none;margin:0;
    display:none;padding:12px 24px;background:var(--bg);
    border-bottom:1px solid var(--line);z-index:6;
  }
  .site-head.search-open .head-search{display:block}
  .chan{padding:11px 14px;font-size:14.5px}
  .chan::after{bottom:6px}
  .page-head{padding:32px 0 60px}
  .head-grid{grid-template-columns:1fr;gap:32px;margin-top:26px}
  .head-grid .head-media{order:-1}
  .split,.section-dark .dark-grid,.faq-wrap{grid-template-columns:1fr;gap:32px}
  .point{grid-template-columns:1fr;gap:14px;padding:30px 4px}
  .point .num{font-size:30px}
  .cta-band{grid-template-columns:1fr;padding:38px 30px;gap:24px}
  .cta-band .btn-lime{width:100%}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:60px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2,.split-copy h2,.section-dark h2,.faq-intro h2{font-size:26px}
  .faq-acc .accordion-button{font-size:17px;padding-left:12px}
  .faq-acc .accordion-button:not(.collapsed){padding-left:18px}
  .faq-acc .accordion-body{padding:4px 24px 24px 18px}
}
@media (max-width:575px){
  .head-top{height:56px}
  .head-search{top:56px;padding:10px 16px}
  .brand-mark{width:26px;height:26px;flex:0 0 26px}
  .brand-text{font-size:16px}
  .brand-text{max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .head-copy h1{font-size:30px}
  .head-copy .lead{font-size:15.5px}
  .cta-band h2{font-size:23px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;gap:8px}
  .step{flex-direction:column;gap:10px}
  .step .s-num{flex:0 0 auto;padding-top:0}
  .media figcaption{right:10px;bottom:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .media:hover img{transform:none}
  .btn-lime:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#10352E;
  --ink-2:#1C4A41;
  --ink-3:#2C6B5E;
  --lime:#C6F24E;
  --coral:#FF6A3D;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --line-2:#D8D2C6;
  --tx:#1A1C1B;
  --tx-2:#6B7370;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-p:999px;
  --sh-h:0 8px 24px rgba(16,53,46,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --w:1320px;
  --pad:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:var(--r-s);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
.container-x{
  width:100%;
  max-width:var(--w);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
@media (max-width:1399px) and (min-width:992px){
  .container-x{max-width:1240px;}
}
@media (max-width:767px){
  .container-x{padding-left:16px;padding-right:16px;}
}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(247,245,240,.92);
  transition:border-color .24s var(--ease),background .24s var(--ease);
  border-bottom:1px solid transparent;
}
.site-head.scrolled{
  border-bottom:1px solid var(--line);
  background:rgba(247,245,240,.78);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.head-top{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{width:30px;height:30px;flex:0 0 30px;}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.head-search{
  position:relative;
  flex:1 1 auto;
  max-width:320px;
  display:flex;
  align-items:center;
}
.head-search .s-ico{
  position:absolute;
  left:14px;
  width:18px;
  height:18px;
  color:var(--tx-2);
  pointer-events:none;
}
.head-search input{
  width:100%;
  height:44px;
  padding:0 18px 0 42px;
  border:1px solid var(--line-2);
  border-radius:var(--r-p);
  background:var(--card);
  color:var(--tx);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.head-search input::placeholder{color:var(--tx-2);}
.head-search input:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 2px rgba(198,242,78,.55);
}
.head-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:18px;
  flex:0 0 auto;
}
.link-quiet{
  font-size:15px;
  color:var(--ink-2);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.link-quiet:hover{border-bottom-color:var(--lime);color:var(--ink);}
.btn-lime{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-p);
  background:var(--lime);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:background .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
  cursor:pointer;
}
.btn-lime:hover{background:#B7E33C;color:var(--ink);}
.btn-lime:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-p);
  background:transparent;
  border:1px solid var(--ink);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--line-2);
  padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.link-arrow .ar{transition:transform .22s var(--ease);}
.link-arrow:hover{border-bottom-color:var(--lime);}
.link-arrow:hover .ar{transform:translateX(4px);}
.burger{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line-2);
  border-radius:var(--r-m);
  background:var(--card);
  margin-left:auto;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  cursor:pointer;
}
.burger span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.channel-bar{
  border-top:1px solid var(--line);
  background:rgba(247,245,240,.7);
}
.channel-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:48px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.chan{
  position:relative;
  flex:0 0 auto;
  scroll-snap-align:start;
  font-size:15px;
  font-weight:600;
  color:var(--tx-2);
  padding:0 2px;
  height:48px;
  display:inline-flex;
  align-items:center;
  transition:color .2s var(--ease);
}
.chan::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:10px;
  height:2px;
  width:0;
  background:var(--lime);
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.chan:hover{color:var(--ink);}
.chan:hover::after{width:100%;}
.chan.active{color:var(--ink);}
.chan.active::after{width:100%;}
.drawer{
  position:fixed;
  inset:0;
  z-index:1060;
  background:var(--bg);
  transform:translateX(100%);
  transition:transform .26s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px 20px 28px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line-2);
  border-radius:var(--r-m);
  background:var(--card);
  font-size:20px;
  line-height:1;
  color:var(--ink);
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;padding:20px 0 8px;}
.drawer-nav a{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink-3);}
.drawer-cta{margin-top:24px;justify-content:center;width:100%;}

/* ---------- 页头 ---------- */
.page-hero{padding:40px 0 72px;}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--tx-2);
  margin-bottom:26px;
}
.crumb .sep{color:var(--line-2);}
.crumb a:hover{color:var(--ink);}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-weight:700;
  color:var(--ink-3);
  border:1px solid var(--line-2);
  border-radius:var(--r-p);
  padding:5px 14px;
  background:var(--card);
  margin-bottom:20px;
}
.hero-title{
  font-size:clamp(30px,4.4vw,58px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--tx-2);
  max-width:52ch;
  margin-bottom:28px;
}
.hero-cta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:20px;
  margin-bottom:26px;
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--ink-2);
  border:1px solid var(--line-2);
  border-radius:var(--r-p);
  padding:5px 13px;
  background:var(--card);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:var(--ink);color:var(--ink);}
.tag.hot{
  color:var(--coral);
  border-color:rgba(255,106,61,.45);
  background:rgba(255,106,61,.06);
}
.hero-media{
  position:relative;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:var(--bg);
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .5s var(--ease);
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(16,53,46,.08);
  pointer-events:none;
}
.hero-media:hover img{transform:scale(1.03);}
.media-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  z-index:2;
  background:rgba(255,255,255,.94);
  border-radius:var(--r-m);
  padding:8px 14px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--ink);
}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section.tight{padding-top:56px;}
.section-head{max-width:720px;margin-bottom:44px;}
.sec-line{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.sec-line i{
  display:block;
  width:2px;
  height:20px;
  background:var(--lime);
  border-radius:2px;
}
.sec-kicker{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--tx-2);
  font-weight:600;
}
h2.sec-title{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  line-height:1.3;
  margin-bottom:14px;
}
.sec-desc{color:var(--tx-2);font-size:16.5px;max-width:64ch;}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  padding-left:0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:14px;
  bottom:34px;
  width:2px;
  background:var(--line-2);
}
.tl-item{
  position:relative;
  padding-left:56px;
  padding-bottom:44px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:0;
  top:6px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--card);
  border:2px solid var(--ink-3);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.tl-item.key .tl-dot{background:var(--lime);border-color:var(--ink);}
.tl-item:hover .tl-dot{border-color:var(--ink);}
.tl-num{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--ink-3);
  margin-bottom:8px;
}
.tl-title{
  font-size:21px;
  font-weight:700;
  color:var(--ink);
  line-height:1.45;
  margin-bottom:10px;
}
.tl-text{
  color:var(--tx-2);
  font-size:16.5px;
  max-width:68ch;
}
.tl-figure{
  margin-top:18px;
  max-width:520px;
  border-radius:var(--r-m);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--bg);
}
.tl-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}

/* ---------- 对照清单 ---------- */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.cmp-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:26px 24px 24px 72px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.cmp-card:hover{
  border-color:var(--lime);
  box-shadow:var(--sh-h);
  transform:translateY(-2px);
}
.cmp-num{
  position:absolute;
  left:22px;
  top:24px;
  font-size:14px;
  font-weight:700;
  color:var(--ink-3);
  letter-spacing:.08em;
}
.cmp-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:8px;
}
.cmp-card p{color:var(--tx-2);font-size:15.5px;}
.cmp-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.cmp-meta span{
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--ink-2);
  border:1px solid var(--line-2);
  border-radius:var(--r-p);
  padding:3px 11px;
}

/* ---------- 提示列表 ---------- */
.note-list{border-top:1px solid var(--line);}
.note-item{
  display:flex;
  gap:20px;
  align-items:flex-start;
  padding:22px 4px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.note-item:hover{background:#FBFAF6;}
.note-item .nid{
  flex:0 0 34px;
  font-size:13px;
  font-weight:700;
  color:var(--ink-3);
  letter-spacing:.1em;
  padding-top:4px;
}
.note-item h3{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.note-item p{color:var(--tx-2);font-size:15.5px;}

/* ---------- FAQ ---------- */
.acc-wrap{max-width:920px;}
.accordion .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.accordion .accordion-header{margin:0;}
.accordion .accordion-button{
  position:relative;
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:56px;
  padding:14px 8px;
  background:transparent;
  color:var(--tx);
  font-size:17.5px;
  font-weight:600;
  line-height:1.6;
  box-shadow:none;
  border:0;
  border-radius:0;
  transition:color .2s var(--ease);
}
.accordion .accordion-button:not(.collapsed){
  background:transparent;
  color:var(--ink);
}
.accordion .accordion-button:focus{
  box-shadow:none;
  outline:2px solid var(--lime);
  outline-offset:-2px;
}
.accordion .accordion-button::after{display:none;}
.accordion .accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:2px;
  background:var(--lime);
  transform:scaleY(0);
  transition:transform .24s var(--ease);
  transform-origin:top;
}
.accordion .accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.fq-idx{
  flex:0 0 auto;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--ink-3);
}
.pm{
  position:relative;
  flex:0 0 20px;
  width:20px;
  height:20px;
  margin-left:auto;
}
.pm::before,.pm::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.pm::before{left:0;right:0;top:9px;height:2px;}
.pm::after{top:0;bottom:0;left:9px;width:2px;}
.accordion .accordion-button:not(.collapsed) .pm::after{transform:scaleY(0);opacity:0;}
.accordion .accordion-body{
  padding:4px 8px 26px 50px;
  color:var(--tx-2);
  font-size:16px;
  line-height:1.85;
}
.accordion .accordion-body p + p{margin-top:10px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-l);
  padding:48px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  color:#fff;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-band p{
  color:rgba(255,255,255,.76);
  font-size:16px;
  max-width:56ch;
}
.cta-actions{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
  flex:0 0 auto;
}
.cta-actions .link-arrow{
  color:rgba(255,255,255,.85);
  border-bottom-color:rgba(255,255,255,.3);
}
.cta-actions .link-arrow:hover{color:var(--lime);border-bottom-color:var(--lime);}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--ink);
  color:rgba(255,255,255,.78);
  padding:72px 0 28px;
  margin-top:88px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.foot-brand .brand-text{color:#fff;display:block;margin-bottom:14px;}
.foot-brand p{font-size:14.5px;line-height:1.85;max-width:36ch;}
.foot-col h4{
  font-size:13px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:rgba(255,255,255,.55);
  font-weight:700;
  margin-bottom:16px;
}
.foot-col li{margin-bottom:10px;}
.foot-col a{
  font-size:15px;
  color:rgba(255,255,255,.82);
  transition:color .2s var(--ease);
}
.foot-col a:hover{color:var(--lime);}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:24px;
  font-size:13.5px;
  color:rgba(255,255,255,.6);
}
.foot-bottom .dom{font-variant-numeric:tabular-nums;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .head-search{max-width:240px;}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{aspect-ratio:16/10;}
  .section{padding:64px 0;}
  .compare-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .head-search{display:none;}
  .head-actions .link-quiet{display:none;}
  .burger{display:flex;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .head-top{min-height:64px;gap:14px;}
  .head-actions .btn-lime{display:none;}
  .channel-inner{gap:22px;}
  .timeline::before{left:7px;}
  .tl-item{padding-left:38px;padding-bottom:36px;}
  .tl-dot{width:16px;height:16px;left:-1px;}
  .tl-title{font-size:19px;}
  .cmp-card{padding:22px 20px 20px 20px;}
  .cmp-num{position:static;display:block;margin-bottom:10px;}
  .note-item{gap:12px;}
  .accordion .accordion-body{padding-left:8px;}
  .cta-band{border-radius:var(--r-m);}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .site-foot{margin-top:64px;padding-top:56px;}
}
@media (max-width:519px){
  .hero-title{font-size:30px;}
  .hero-cta{gap:14px;}
  .btn-lime,.btn-ghost{width:100%;justify-content:center;}
  .link-arrow{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .hero-media:hover img{transform:none;}
  .cmp-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#10352E;
  --ink-2:#1C4A41;
  --ink-3:#2C6B5E;
  --lime:#C6F24E;
  --lime-deep:#B4E23A;
  --coral:#FF6A3D;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E3DFD6;
  --line-2:#D8D2C6;
  --text:#1A1C1B;
  --muted:#6B7370;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-p:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --head-h:120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1320px}}
@media (max-width:767.98px){.container-x{padding:0 16px}}
.num{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease);
}
.site-head.scrolled{border-bottom-color:var(--line)}
.head-top{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:30px;height:30px;flex:0 0 auto}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.head-search{position:relative;flex:1 1 auto;max-width:320px;margin-left:auto}
.head-search .s-ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted);pointer-events:none}
.head-search input{
  width:100%;height:44px;border-radius:var(--r-p);border:1px solid var(--line-2);
  background:#fff;padding:0 18px 0 42px;font-size:14px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.head-search input::placeholder{color:#9AA19D}
.head-search input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(198,242,78,.45)}
.head-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.link-quiet{font-size:15px;color:var(--ink-3);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.link-quiet:hover{color:var(--ink);border-bottom-color:var(--lime)}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--lime);color:var(--ink);font-weight:700;font-size:15px;
  border:0;border-radius:var(--r-p);padding:11px 22px;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-lime:hover{background:var(--lime-deep);color:var(--ink)}
.btn-lime:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);font-weight:700;font-size:15px;
  border:1px solid var(--ink);border-radius:var(--r-p);padding:10px 22px;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff}
.burger{
  display:none;width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--line-2);border-radius:var(--r-m);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

.channel-bar{border-top:1px solid var(--line)}
.channel-inner{display:flex;gap:26px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity}
.channel-inner::-webkit-scrollbar{display:none}
.chan{
  position:relative;flex:0 0 auto;padding:14px 0 15px;font-size:15px;font-weight:600;
  color:var(--muted);white-space:nowrap;scroll-snap-align:start;transition:color .2s var(--ease);
}
.chan::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--lime);transition:left .24s var(--ease),right .24s var(--ease)}
.chan:hover{color:var(--ink)}
.chan:hover::after{left:0;right:0}
.chan.active{color:var(--ink)}
.chan.active::after{left:0;right:0}

/* ---------- hero ---------- */
.page-hero{padding:44px 0 76px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs .sep{color:var(--line-2)}
.crumbs a:hover{color:var(--ink)}
.page-hero h1{font-size:clamp(30px,4vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.16;margin-bottom:20px}
.hero-sub{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:14px;font-size:14px;color:var(--ink-3)}
.tag-row span{position:relative;padding-right:15px;letter-spacing:.02em}
.tag-row span:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:var(--line-2)}
.figure{
  position:relative;border-radius:var(--r-l);overflow:hidden;background:#EFEBE2;
  border:1px solid var(--line);aspect-ratio:4/3;
}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.figure::after{content:"";position:absolute;inset:0;background:rgba(16,53,46,.08);pointer-events:none}
.figure:hover img{transform:scale(1.03)}
.fig-code{position:absolute;right:16px;bottom:12px;z-index:2;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#fff}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.alt{background:#FBFAF6;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:44px;max-width:820px}
.sec-title{position:relative;padding-left:18px;font-size:clamp(24px,2.6vw,34px);font-weight:700;margin-bottom:12px}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;background:var(--lime)}
.sec-sub{color:var(--muted);font-size:16px}

/* ---------- compare ---------- */
.cmp{border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;background:var(--surface)}
.cmp-head{display:grid;grid-template-columns:1fr 1fr}
.cmp-head div{padding:16px 24px;font-size:13px;font-weight:600;letter-spacing:.08em;background:#FBFAF6;color:var(--muted)}
.cmp-head div+div{background:var(--ink);color:#fff;border-left:1px solid var(--ink-2)}
.cmp-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.cmp-row > div{padding:22px 24px;font-size:16px;color:var(--muted)}
.cmp-row > div+div{
  position:relative;padding-left:46px;border-left:1px solid var(--line);
  background:#FCFBF7;color:var(--ink-2);font-weight:600;
}
.cmp-row > div+div::before{content:"";position:absolute;left:24px;top:31px;width:10px;height:10px;border-radius:50%;background:var(--lime)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.split .figure{aspect-ratio:16/10}
.split-body h2{font-size:clamp(22px,2.2vw,30px);font-weight:700;margin-bottom:16px}
.split-body p{color:var(--muted);font-size:16.5px;margin-bottom:14px}
.check-list{display:grid;gap:12px;margin-top:22px}
.check-list li{position:relative;padding-left:26px;font-size:16px;color:var(--ink-2)}
.check-list li::before{content:"";position:absolute;left:0;top:11px;width:14px;height:2px;border-radius:2px;background:var(--lime)}
.check-list li b{font-weight:700;color:var(--ink)}

/* ---------- tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tile{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:28px 26px 26px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tile:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:0 8px 24px rgba(16,53,46,.08)}
.tile-no{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--ink-3);font-variant-numeric:tabular-nums}
.tile h3{font-size:20px;font-weight:700;margin:10px 0 8px}
.tile p{color:var(--muted);font-size:15.5px}
.tile .tile-tag{
  position:absolute;right:18px;top:20px;font-size:12px;letter-spacing:.06em;
  border:1px solid var(--line-2);border-radius:var(--r-p);padding:2px 10px;color:var(--muted);
}
.tile .tile-tag.hot{color:var(--coral);border-color:rgba(255,106,61,.4)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-2);padding-top:36px;margin-top:56px}
.stat{padding:0 26px}
.stat:first-child{padding-left:0}
.stat + .stat{border-left:1px solid var(--line)}
.stat b{display:block;font-size:44px;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6}

/* ---------- faq ---------- */
.acc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:8px 28px}
.acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.acc .accordion-item:last-child{border-bottom:0}
.acc .accordion-button{
  position:relative;width:100%;background:transparent;border:0;border-radius:0;
  padding:20px 46px 20px 16px;font-size:17px;font-weight:600;color:var(--ink);
  line-height:1.5;box-shadow:none;display:flex;align-items:center;gap:4px;
}
.acc .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime);outline-offset:2px}
.acc .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:var(--lime);opacity:0;transition:opacity .24s var(--ease);
}
.acc .accordion-button:not(.collapsed)::before{opacity:1}
.acc .accordion-button::after{
  content:"";position:absolute;right:12px;top:50%;width:16px;height:16px;margin:0;
  transform:translateY(-50%);background:
    linear-gradient(currentColor,currentColor) center/16px 2px no-repeat,
    linear-gradient(currentColor,currentColor) center/2px 16px no-repeat;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.acc .accordion-button:not(.collapsed)::after{
  background:linear-gradient(currentColor,currentColor) center/16px 2px no-repeat;
}
.acc-no{display:inline-block;min-width:38px;font-size:13px;font-weight:700;color:var(--ink-3);font-variant-numeric:tabular-nums}
.acc .accordion-body{padding:0 46px 24px 54px;color:var(--muted);font-size:16px;line-height:1.8}

/* ---------- cta ---------- */
.cta-wrap{padding:0 0 8px}
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-l);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.22),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.74);font-size:15.5px;max-width:560px}
.cta-band .cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band .link-quiet{color:rgba(255,255,255,.85)}
.cta-band .link-quiet:hover{color:#fff}

/* ---------- footer ---------- */
.site-foot{background:var(--ink);color:#fff;margin-top:96px;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.foot-brand .brand-text{display:block;font-size:19px;font-weight:800;color:#fff;margin-bottom:14px}
.foot-brand p{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.75;max-width:340px}
.foot-col h4{font-size:14px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-bottom:16px}
.foot-col ul{display:grid;gap:11px}
.foot-col a{font-size:15px;color:rgba(255,255,255,.86);transition:color .2s var(--ease)}
.foot-col a:hover{color:var(--lime)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.62);
}
.foot-bottom .dom{letter-spacing:.02em}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:1200;background:var(--bg);
  padding:24px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s var(--ease);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line-2);border-radius:var(--r-m);
  background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.drawer nav{display:grid;gap:4px;margin-top:36px}
.drawer nav a{font-size:23px;font-weight:700;padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer nav a.active{color:var(--ink-3)}
.drawer .btn-lime{margin-top:auto;width:100%;padding:15px 22px}
body.no-scroll{overflow:hidden}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:40px}
  .split{gap:36px}
}
@media (max-width:991.98px){
  .head-search{display:none}
  .head-actions .link-quiet,.head-actions .btn-lime{display:none}
  .burger{display:flex;margin-left:auto}
  .head-top{height:64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:32px 0 56px}
  .split{grid-template-columns:1fr;gap:28px}
  .split .figure{order:-1}
  .section{padding:64px 0}
  .cta-band{padding:34px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .page-hero h1{font-size:30px}
  .cmp-head{grid-template-columns:1fr}
  .cmp-head div+div{border-left:0;border-top:1px solid var(--ink-2)}
  .cmp-row{grid-template-columns:1fr}
  .cmp-row > div{padding:18px 20px}
  .cmp-row > div+div{border-left:0;border-top:1px dashed var(--line-2);padding-left:42px}
  .cmp-row > div+div::before{left:20px;top:27px}
  .tiles{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .stat{padding:0 18px}
  .stat:nth-child(odd){padding-left:0;border-left:0}
  .stat b{font-size:34px}
  .acc{padding:4px 18px}
  .acc .accordion-button{padding:18px 40px 18px 14px;font-size:16px}
  .acc .accordion-body{padding:0 40px 22px 52px;font-size:15.5px}
  .acc-no{min-width:30px}
  .cta-band{padding:28px 22px;border-radius:var(--r-m)}
  .cta-band h2{font-size:22px}
  .cta-actions .btn-lime{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .site-foot{padding:48px 0 24px;margin-top:64px}
}
@media (max-width:520px){
  .head-top{gap:12px}
  .brand-text{font-size:17px}
  .tag-row{gap:10px;font-size:13px}
  .stat b{font-size:30px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .tile:hover{transform:none}
  .figure:hover img{transform:none}
}