/* roulang page: index */
:root{
  --green:#1E5B50;
  --green-deep:#122A26;
  --green-soft:#2C7A6B;
  --orange:#C94F2B;
  --orange-dark:#A93F22;
  --lime:#DDEB8B;
  --bg:#F7F3EA;
  --bg-warm:#FFFDF8;
  --card:#FFFFFF;
  --light:#EFE9DD;
  --ink:#17211F;
  --ink-2:#6F756F;
  --line:#DED7C9;
  --radius:13px;
  --radius-sm:8px;
  --shadow:0 8px 24px rgba(18,42,38,.08);
  --shadow-hover:0 14px 32px rgba(18,42,38,.12);
  --container:1180px;
  --gap-section:92px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:inherit;color:var(--ink);font-weight:700;line-height:1.25;margin:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;box-shadow:0 0 0 3px rgba(18,42,38,.55);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px;}
.container-wide{max-width:1280px;}
.section{padding:var(--gap-section) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-title{font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:-.01em;}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16.5px;line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:#1F3A33;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  padding:6px 14px;border-radius:999px;
}
.eyebrow i{font-size:12px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(201,79,43,.22);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;box-shadow:0 10px 24px rgba(201,79,43,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green);}
.btn-ghost:hover{background:rgba(30,91,80,.08);color:var(--green);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--green-deep);}
.btn-light:hover{background:var(--lime);color:var(--green-deep);}
.btn-outline-light{background:transparent;color:#F7F3EA;border-color:rgba(247,243,234,.55);}
.btn-outline-light:hover{background:rgba(247,243,234,.12);color:#fff;border-color:#F7F3EA;}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

.chip{
  display:inline-flex;align-items:center;
  background:var(--light);color:var(--green);
  font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:999px;white-space:nowrap;
}
.chip-lime{background:var(--lime);color:#22453C;}
.chip-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg-warm);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(18,42,38,.05);
}
.header-inner{
  display:flex;align-items:center;gap:22px;
  height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand:hover .brand-text{color:var(--orange);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--green) 0%,var(--green-deep) 100%);
  display:flex;align-items:center;justify-content:center;
  position:relative;flex-shrink:0;
}
.brand-mark::before{
  content:"";position:absolute;inset:9px 16px 12px 9px;
  border:2px solid var(--lime);border-radius:50% 50% 50% 0;
  opacity:.85;
}
.brand-mark::after{
  content:"";position:absolute;
  right:10px;bottom:10px;
  width:0;height:0;border-left:8px solid var(--orange);
  border-top:5px solid transparent;border-bottom:5px solid transparent;
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.2;transition:color .2s ease;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 13px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink);
  white-space:nowrap;transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--orange);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--green);background:rgba(30,91,80,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--green);font-weight:700;background:rgba(30,91,80,.08);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-form{position:relative;display:flex;align-items:center;}
.search-form i{position:absolute;left:14px;color:var(--ink-2);font-size:13px;pointer-events:none;}
.search-input{
  height:42px;width:196px;padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:999px;
  background:#fff;color:var(--ink);font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,width .2s ease;
}
.search-input::placeholder{color:#9AA09A;}
.search-input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(30,91,80,.14);width:230px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--green);
  font-size:16px;cursor:pointer;
}
.nav-toggle:hover{background:var(--light);}
.mobile-menu{
  display:none;border-top:1px solid var(--line);
  background:var(--bg-warm);
}
.mobile-menu.is-open{display:block;}
.mobile-menu .inner{padding:14px 28px 20px;}
.mobile-menu .m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 4px;font-size:16px;color:var(--ink);
  border-bottom:1px solid rgba(222,215,201,.7);
}
.mobile-menu .m-link:hover{color:var(--green);}
.mobile-menu .m-link.is-active{color:var(--green);font-weight:700;}
.mobile-menu .m-cta{margin-top:16px;width:100%;}
.mobile-search{margin-top:14px;display:flex;}
.mobile-search .search-input{width:100%;height:44px;}
.mobile-search .search-input:focus{width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;padding:64px 0 76px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:620px;height:620px;
  border:1px solid rgba(30,91,80,.14);border-radius:50%;
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-180px;bottom:-220px;width:520px;height:520px;
  border:1px solid rgba(201,79,43,.12);border-radius:50%;
  pointer-events:none;
}
.hero-grid{display:flex;align-items:center;gap:56px;position:relative;z-index:1;}
.hero-copy{flex:1 1 56%;min-width:0;}
.hero-title{
  font-size:clamp(2rem,4vw,3.4rem);
  letter-spacing:-.02em;margin:20px 0 0;
}
.hero-title em{font-style:normal;color:var(--green);position:relative;}
.hero-sub{
  margin-top:20px;font-size:17.5px;line-height:1.85;color:var(--ink-2);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:40px;
  border-top:1px solid var(--line);padding-top:24px;max-width:560px;
}
.hero-stat{flex:1 1 0;min-width:120px;padding-right:20px;}
.hero-stat + .hero-stat{border-left:1px solid var(--line);padding-left:22px;}
.hero-stat b{display:block;font-size:22px;color:var(--green);letter-spacing:-.01em;}
.hero-stat span{font-size:13px;color:var(--ink-2);}
.hero-media{flex:0 0 38%;max-width:400px;min-width:0;}
.reel{
  position:relative;width:100%;aspect-ratio:9/16;border-radius:18px;overflow:hidden;
  box-shadow:0 22px 54px rgba(18,42,38,.22);background:var(--green-deep);
}
.reel img{width:100%;height:100%;object-fit:cover;}
.reel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,42,38,.30) 0%,rgba(18,42,38,0) 32%,rgba(18,42,38,.05) 58%,rgba(18,42,38,.86) 100%);
}
.reel-no{
  position:absolute;top:14px;left:14px;z-index:3;
  background:rgba(18,42,38,.62);color:#F7F3EA;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 11px;border-radius:999px;backdrop-filter:blur(2px);
}
.reel-duration{
  position:absolute;top:14px;right:14px;z-index:3;
  background:var(--lime);color:#22453C;
  font-size:12px;font-weight:700;
  padding:5px 10px;border-radius:6px;
}
.play-btn{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  z-index:3;width:64px;height:64px;border-radius:50%;
  background:var(--orange);color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;padding-left:4px;
  box-shadow:0 10px 28px rgba(201,79,43,.42);
  transition:transform .22s ease,background-color .2s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);background:var(--orange-dark);}
.reel-caption{
  position:absolute;left:0;right:0;bottom:0;z-index:3;padding:18px;
}
.reel-caption b{display:block;color:#fff;font-size:15.5px;line-height:1.4;margin-bottom:8px;}
.reel-caption span{font-size:12.5px;color:rgba(247,243,234,.82);}

/* ---------- clip rail ---------- */
.clip-rail{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.clip-card{
  position:relative;border-radius:14px;overflow:hidden;
  background:var(--green-deep);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.clip-media{position:relative;aspect-ratio:9/16;overflow:hidden;}
.clip-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.clip-card:hover .clip-media img{transform:scale(1.03);}
.clip-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,42,38,.08) 0%,rgba(18,42,38,0) 32%,rgba(18,42,38,.88) 100%);
}
.clip-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:var(--lime);color:#22453C;
  font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:999px;
  white-space:nowrap;
}
.clip-time{
  position:absolute;top:12px;right:12px;z-index:2;
  background:rgba(18,42,38,.68);color:#F7F3EA;
  font-size:11.5px;font-weight:600;padding:4px 9px;border-radius:5px;
}
.clip-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  z-index:2;width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;padding-left:3px;border:none;cursor:pointer;
  transition:transform .22s ease,background-color .2s ease;
}
.clip-card:hover .clip-play{transform:translate(-50%,-50%) scale(1.1);background:#fff;}
.clip-title{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:14px;color:#fff;font-size:15px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- pick list ---------- */
.pick-wrap{display:flex;gap:54px;align-items:flex-start;}
.pick-aside{flex:0 0 320px;position:sticky;top:104px;}
.pick-aside .section-title{margin-top:16px;}
.pick-aside p{color:var(--ink-2);margin-top:16px;font-size:16px;}
.pick-aside .btn{margin-top:24px;}
.pick-list{flex:1 1 auto;min-width:0;border-top:1px solid var(--line);}
.pick-row{
  display:flex;align-items:center;gap:20px;
  padding:22px 18px;border-bottom:1px solid var(--line);
  transition:background-color .22s ease;
}
.pick-row:nth-child(odd){background:rgba(255,255,255,.6);}
.pick-row:hover{background:#fff;}
.pick-num{
  flex:0 0 54px;font-size:26px;font-weight:500;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1px rgba(30,91,80,.5);
  font-variant-numeric:tabular-nums;line-height:1;
}
.pick-row:hover .pick-num{-webkit-text-stroke:1px var(--orange);}
.pick-thumb{
  flex:0 0 96px;width:96px;height:72px;border-radius:8px;overflow:hidden;background:var(--light);
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}
.pick-main{flex:1 1 auto;min-width:0;}
.pick-title{font-size:17px;font-weight:700;margin-bottom:6px;transition:color .2s ease;}
.pick-row:hover .pick-title{color:var(--green);}
.pick-desc{
  font-size:14.5px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:8px;
}
.pick-arrow{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--green);background:#fff;transition:transform .22s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.pick-row:hover .pick-arrow{transform:translateX(4px);background:var(--green);color:#fff;border-color:var(--green);}

/* ---------- news / cms ---------- */
.news-section{background:var(--bg-warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.news-grid{display:flex;gap:32px;align-items:stretch;}
.news-main{
  flex:1 1 52%;min-width:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:box-shadow .25s ease,transform .25s ease;
}
.news-main:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.news-main-media{aspect-ratio:16/9;overflow:hidden;background:var(--light);}
.news-main-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-main:hover .news-main-media img{transform:scale(1.03);}
.news-main-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;font-size:12.5px;color:var(--ink-2);}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.news-main-title{font-size:21px;line-height:1.45;margin-bottom:12px;}
.news-main:hover .news-main-title{color:var(--green);}
.news-main-text{color:var(--ink-2);font-size:15.5px;line-height:1.8;margin-bottom:20px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-main .link-more{margin-top:auto;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--green);
}
.link-more i{transition:transform .2s ease;font-size:12px;}
.link-more:hover i{transform:translateX(4px);}
.news-side{flex:1 1 48%;min-width:0;display:flex;flex-direction:column;}
.news-item{
  display:block;padding:16px 18px;border-radius:10px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.news-item:last-child{border-bottom:none;}
.news-item:hover{background:rgba(239,233,221,.55);}
.news-item-top{display:flex;align-items:center;gap:10px;margin-bottom:6px;font-size:12.5px;color:var(--ink-2);}
.news-item-title{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:5px;transition:color .2s ease;}
.news-item:hover .news-item-title{color:var(--green);}
.news-item-text{font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  background:var(--light);border:1px dashed var(--line);border-radius:var(--radius);
  padding:54px 28px;text-align:center;color:var(--ink-2);
}
.empty-state i{font-size:30px;color:var(--green);opacity:.6;display:block;margin-bottom:14px;}
.empty-state b{display:block;color:var(--ink);font-size:16.5px;margin-bottom:8px;}
.empty-state span{font-size:14.5px;}
.empty-state a{margin-top:16px;display:inline-flex;}

/* ---------- voices ---------- */
.voice-rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.voice-rail::-webkit-scrollbar{display:none;}
.voice-card{
  flex:0 0 302px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:22px 22px 20px;box-shadow:var(--shadow);
  transition:box-shadow .22s ease,transform .22s ease;
}
.voice-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.voice-stars{color:var(--orange);font-size:13px;letter-spacing:2px;margin-bottom:12px;}
.voice-text{font-size:15px;line-height:1.8;color:var(--ink);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.voice-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--line);}
.voice-user{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink-2);}
.voice-avatar{width:28px;height:28px;border-radius:50%;background:var(--green);color:#F7F3EA;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--green);}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  position:relative;background:#fff;transition:background-color .2s ease,border-color .2s ease,transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--green);border-radius:2px;transition:transform .25s ease,background-color .2s ease;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item[open] .faq-icon{background:var(--green);border-color:var(--green);transform:rotate(90deg);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:#fff;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-a{padding:0 4px 24px;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:780px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--green-deep);color:#F7F3EA;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border:1px solid rgba(221,235,139,.18);border-radius:50%;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:64px 0;position:relative;z-index:1;
}
.cta-text h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);}
.cta-text p{margin-top:12px;color:rgba(247,243,234,.76);font-size:16px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;}
.cta-form{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;max-width:560px;}
.cta-form input{
  flex:1 1 180px;height:46px;padding:0 16px;border-radius:8px;
  border:1px solid rgba(247,243,234,.28);background:rgba(247,243,234,.08);
  color:#F7F3EA;font-size:15px;
}
.cta-form input::placeholder{color:rgba(247,243,234,.5);}
.cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(221,235,139,.22);background:rgba(247,243,234,.12);}
.cta-note{margin-top:14px;font-size:12.5px;color:rgba(247,243,234,.55);}

/* ---------- footer ---------- */
.site-footer{background:var(--green-deep);color:rgba(247,243,234,.78);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h3{
  font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:18px;font-weight:700;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(247,243,234,.1);}
.footer-brand b{color:#fff;font-size:16.5px;letter-spacing:-.01em;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,243,234,.66);max-width:330px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:rgba(247,243,234,.76);transition:color .2s ease;}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;margin-bottom:12px;color:rgba(247,243,234,.72);}
.footer-contact i{color:var(--lime);font-size:13px;margin-top:5px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(247,243,234,.14);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(247,243,234,.5);
}
.footer-bottom a{color:rgba(247,243,234,.6);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;align-items:center;gap:14px;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(18,42,38,.97);color:#F7F3EA;
  transform:translateY(110%);transition:transform .3s ease;
  box-shadow:0 -6px 20px rgba(18,42,38,.28);
}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar span{font-size:13.5px;line-height:1.4;flex:1 1 auto;}
.mobile-bar .btn{height:42px;padding:0 18px;font-size:14.5px;flex-shrink:0;}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  :root{--gap-section:76px;}
  .hero-grid{gap:38px;}
  .hero-media{flex:0 0 40%;max-width:340px;}
  .search-input{width:168px;}
  .search-input:focus{width:196px;}
  .nav-link{padding:9px 10px;font-size:14.5px;}
  .pick-aside{flex:0 0 280px;}
}
@media screen and (max-width:1023px){
  :root{--gap-section:64px;}
  .container{padding:0 22px;}
  .nav-main{display:none;}
  .nav-toggle{display:flex;}
  .header-tools .search-form{display:none;}
  .header-inner{height:66px;gap:14px;}
  .hero{padding:44px 0 56px;}
  .hero-grid{flex-direction:column;align-items:flex-start;gap:36px;}
  .hero-copy{flex:1 1 auto;width:100%;}
  .hero-media{flex:0 0 auto;width:100%;max-width:360px;align-self:center;}
  .hero-stats{max-width:none;}
  .clip-rail{grid-template-columns:repeat(2,1fr);gap:18px;}
  .pick-wrap{flex-direction:column;gap:30px;}
  .pick-aside{position:static;flex:1 1 auto;}
  .news-grid{flex-direction:column;gap:24px;}
  .news-main,.news-side{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;padding:52px 0;}
  .mobile-bar{display:flex;}
}
@media screen and (max-width:767px){
  :root{--gap-section:48px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section-tight{padding:44px 0;}
  .hero{padding:34px 0 44px;}
  .hero-title{font-size:clamp(1.85rem,7vw,2.35rem);}
  .hero-sub{font-size:16px;margin-top:16px;}
  .hero-actions{margin-top:26px;gap:12px;}
  .hero-actions .btn{flex:1 1 auto;min-width:140px;}
  .hero-stats{margin-top:30px;padding-top:20px;gap:16px 0;}
  .hero-stat{flex:1 1 46%;padding-right:12px;}
  .hero-stat + .hero-stat{padding-left:14px;}
  .hero-stat:nth-child(3){border-left:none;padding-left:0;}
  .clip-rail{
    display:flex;overflow-x:auto;gap:14px;padding:4px 2px 18px;
    scroll-snap-type:x mandatory;scrollbar-width:none;
  }
  .clip-rail::-webkit-scrollbar{display:none;}
  .clip-card{flex:0 0 72vw;scroll-snap-align:start;}
  .pick-row{flex-wrap:wrap;padding:18px 0;gap:14px;}
  .pick-num{flex:0 0 auto;font-size:22px;width:38px;}
  .pick-thumb{flex:0 0 76px;width:76px;height:58px;}
  .pick-main{flex:1 1 100%;order:3;}
  .pick-arrow{width:34px;height:34px;order:2;margin-left:auto;}
  .voice-card{flex:0 0 84vw;}
  .faq-item summary{font-size:16px;padding:18px 0;}
  .faq-a{padding-bottom:20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:48px 0 0;}
  .footer-bottom{margin-top:34px;font-size:12px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .news-main-body{padding:20px 18px 22px;}
  .news-item{padding:14px 10px;}
}
@media screen and (max-width:479px){
  .hero-title{font-size:1.72rem;}
  .btn{height:44px;font-size:15px;padding:0 18px;}
  .hero-actions .btn{width:100%;flex:1 1 100%;}
  .section-title{font-size:1.5rem;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:34px;height:34px;}
  .reel-caption{padding:14px;}
}

/* roulang page: category1 */
:root{
  --brand:#1E5B50;
  --brand-dark:#122A26;
  --brand-soft:#E8F0ED;
  --accent:#C94F2B;
  --accent-dark:#A93F22;
  --lime:#DDEB8B;
  --paper:#F7F3EA;
  --surface:#FFFFFF;
  --topbar:#FFFDF8;
  --soft:#EFE9DD;
  --ink:#17211F;
  --muted:#6F756F;
  --border:#DED7C9;
  --radius-card:14px;
  --radius-btn:8px;
  --shadow-sm:0 8px 24px rgba(18,42,38,.08);
  --shadow-md:0 14px 32px rgba(18,42,38,.12);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;box-shadow:0 0 0 4px rgba(30,91,80,.16);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px;}
.section{padding:84px 0;}
.section--tight{padding:64px 0;}
.section-soft{background:var(--soft);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--lime);color:#2C3A16;
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow i{font-size:11px;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.32;font-weight:700;letter-spacing:-.01em;
  margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:16px;}
.section-head .eyebrow{margin-bottom:16px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--topbar);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(18,42,38,.06);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:76px;
  padding:0 28px;
  max-width:1320px;margin:0 auto;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17.5px;color:var(--brand-dark);letter-spacing:-.01em;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:
    radial-gradient(circle at 30% 68%, var(--accent) 0 22%, transparent 23%),
    linear-gradient(140deg,var(--brand) 0%,#2C7A69 62%,#3E9A85 100%);
  position:relative;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:0;height:0;border-left:9px solid #FFFDF8;border-top:6px solid transparent;border-bottom:6px solid transparent;
  margin-left:2px;
}
.brand-text{white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1 1 auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink);
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 14px;
  background:var(--paper);border:1px solid var(--border);border-radius:999px;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand);background:var(--surface);box-shadow:0 0 0 3px rgba(30,91,80,.10);}
.search-box i{font-size:13px;color:var(--muted);}
.search-box input{
  border:0;background:transparent;outline:none;
  width:150px;font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:#9AA09A;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .16s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--accent);color:#FFF9F4;box-shadow:0 6px 18px rgba(201,79,43,.26);}
.btn-primary:hover{background:var(--accent-dark);color:#FFF9F4;transform:translateY(-1px);box-shadow:0 10px 24px rgba(201,79,43,.3);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(201,79,43,.24);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--brand-dark);align-items:center;justify-content:center;font-size:16px;}
.mobile-panel{display:none;background:var(--surface);border-bottom:1px solid var(--border);padding:14px 20px 20px;box-shadow:var(--shadow-sm);}
.mobile-panel.is-open{display:block;}
.mobile-panel .nav-link{display:block;width:100%;padding:12px 10px;font-size:15.5px;}
.mobile-panel .search-box{width:100%;margin:10px 0 12px;}
.mobile-panel .search-box input{width:100%;}
.mobile-panel .btn{width:100%;}

/* ---------- Breadcrumb ---------- */
.crumbs{padding:22px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#B9B4A8;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--accent);}
.crumbs .current{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{padding:36px 0 72px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 82% 18%, rgba(30,91,80,.10), transparent 46%),
    radial-gradient(circle at 8% 88%, rgba(221,235,139,.34), transparent 52%);
}
.hero .container{position:relative;}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;}
.hero-copy h1{
  font-size:clamp(2rem,4vw,3.2rem);line-height:1.2;font-weight:700;letter-spacing:-.02em;
  margin:20px 0 18px;
}
.hero-copy h1 .hl{color:var(--brand);}
.hero-sub{font-size:17px;color:#3E4A47;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:22px;border-top:1px solid var(--border);}
.hero-stat b{display:block;font-size:19px;font-weight:700;color:var(--brand-dark);letter-spacing:-.01em;}
.hero-stat span{font-size:13px;color:var(--muted);}

.hero-collage{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:end;}
.vcard{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  aspect-ratio:9/16;background:var(--brand-dark);
  box-shadow:var(--shadow-sm);border:1px solid rgba(18,42,38,.10);
}
.vcard img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.vcard::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,42,38,.06) 0%,rgba(18,42,38,.05) 46%,rgba(18,42,38,.82) 100%);
}
.vcard .vtag{
  position:absolute;top:10px;left:10px;z-index:2;
  padding:3px 9px;border-radius:999px;
  background:var(--lime);color:#2C3A16;font-size:11px;font-weight:700;letter-spacing:.02em;
}
.vcard .vtime{
  position:absolute;top:10px;right:10px;z-index:2;
  padding:3px 8px;border-radius:999px;
  background:rgba(18,42,38,.72);color:#F4F1E7;font-size:11px;font-weight:600;
}
.vcard .vplay{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  width:46px;height:46px;border-radius:50%;
  background:rgba(255,253,248,.92);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:0 8px 20px rgba(18,42,38,.28);
}
.vcard .vtitle{
  position:absolute;left:12px;right:12px;bottom:12px;z-index:2;
  color:#FDFBF4;font-size:13px;font-weight:600;line-height:1.45;
  text-shadow:0 1px 6px rgba(0,0,0,.35);
}
.hero-collage .vcard:nth-child(2){transform:translateY(-18px);}

/* ---------- Clip wall ---------- */
.clip-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.clip-card{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  aspect-ratio:9/16;background:var(--brand-dark);
  border:1px solid rgba(18,42,38,.10);
  box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease;
  display:block;
}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.clip-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,42,38,0) 32%,rgba(18,42,38,.86) 100%);
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.clip-card:hover img{transform:scale(1.03);}
.clip-card:hover .vplay{transform:translate(-50%,-50%) scale(1.06);}
.clip-card .vplay{transition:transform .24s ease;}
.clip-meta{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
}
.clip-meta h3{font-size:15px;font-weight:600;color:#FDFBF4;line-height:1.45;margin-bottom:8px;text-shadow:0 1px 6px rgba(0,0,0,.4);}
.clip-meta .chiprow{display:flex;flex-wrap:wrap;gap:6px;}
.chip{
  display:inline-block;padding:3px 10px;border-radius:999px;
  background:rgba(255,253,248,.18);border:1px solid rgba(255,253,248,.34);
  color:#FDFBF4;font-size:11.5px;font-weight:600;
}
.chip-solid{background:var(--lime);border-color:var(--lime);color:#2C3A16;}

/* ---------- Numbered list ---------- */
.list-layout{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;}
.list-aside{position:sticky;top:104px;}
.list-aside h2{font-size:clamp(1.6rem,2.6vw,2.1rem);line-height:1.34;font-weight:700;margin:16px 0 14px;}
.list-aside p{color:var(--muted);font-size:15.5px;margin-bottom:22px;}
.number-list{border-top:1px solid var(--border);}
.number-row{
  display:grid;grid-template-columns:64px 96px 1fr 40px;gap:20px;align-items:center;
  padding:24px 18px;border-bottom:1px solid var(--border);
  border-radius:10px;
  transition:background .2s ease,transform .2s ease;
}
.number-row:nth-child(odd){background:rgba(255,255,255,.6);}
.number-row:hover{background:var(--surface);transform:translateX(3px);}
.num{
  font-size:26px;font-weight:700;letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1.4px var(--brand);
}
.number-row:hover .num{color:var(--brand);-webkit-text-stroke:0;}
.thumb{width:96px;height:72px;border-radius:8px;object-fit:cover;border:1px solid var(--border);}
.number-row h3{font-size:16.5px;font-weight:700;margin-bottom:6px;line-height:1.4;}
.number-row p{font-size:14.5px;color:var(--muted);line-height:1.7;margin-bottom:10px;}
.tagline{display:flex;flex-wrap:wrap;gap:6px;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;
}
.tag-warm{background:#FBEDE7;color:var(--accent);}
.arrow{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--paper);border:1px solid var(--border);color:var(--brand);transition:transform .2s ease,background .2s ease,color .2s ease;font-size:13px;}
.number-row:hover .arrow{background:var(--accent);border-color:var(--accent);color:#FFF9F4;transform:translateX(4px);}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  position:relative;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CDC5B4;}
.step .snum{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand);color:#FDFBF4;font-weight:700;font-size:15px;
  margin-bottom:16px;
}
.step:nth-child(2) .snum{background:#2C7A69;}
.step:nth-child(3) .snum{background:var(--accent);}
.step:nth-child(4) .snum{background:var(--brand-dark);}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- Panel / big image ---------- */
.panel{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--border);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.panel-media{position:relative;min-height:340px;}
.panel-media img{width:100%;height:100%;object-fit:cover;}
.panel-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(18,42,38,.34),rgba(18,42,38,.06));}
.panel-body{padding:44px 44px;}
.panel-body h2{font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.36;font-weight:700;margin:14px 0 14px;}
.panel-body p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.checklist{display:grid;gap:10px;margin:18px 0 26px;}
.checklist li{display:flex;gap:10px;font-size:15px;color:#2E3A37;}
.checklist i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--border);
  background:transparent;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item .plus{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--border);background:var(--surface);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .24s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item[open] .plus{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#FFF9F4;}
.faq-answer{padding:0 4px 24px;font-size:15.5px;color:var(--muted);line-height:1.85;max-width:780px;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand-dark);color:#F4F1E7;border-radius:18px;padding:48px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;box-shadow:var(--shadow-md);}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.95rem);font-weight:700;line-height:1.35;margin-bottom:10px;color:#FDFBF4;}
.cta-band p{color:#C8D2CB;font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
.btn-outline-light{background:transparent;color:#F4F1E7;border-color:rgba(244,241,231,.5);}
.btn-outline-light:hover{background:rgba(244,241,231,.12);color:#FFFDF8;border-color:#F4F1E7;}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-dark);color:#D8DCD4;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;color:#FDFBF4;margin-bottom:16px;font-weight:700;}
.footer-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;}
.footer-desc{font-size:14px;line-height:1.85;color:#AEB8B1;max-width:340px;}
.footer-col h3{font-size:14.5px;font-weight:700;color:#FDFBF4;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:#AEB8B1;font-size:14px;}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:#AEB8B1;line-height:1.7;}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(244,241,231,.14);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8C978F;
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1199px){
  .hero-grid{gap:40px;}
  .clip-wall{grid-template-columns:repeat(3,1fr);}
  .list-layout{grid-template-columns:300px 1fr;gap:40px;}
  .container{padding:0 24px;}
}
@media screen and (max-width:1023px){
  .nav-main{display:none;}
  .header-actions .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{min-height:68px;gap:14px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-collage{grid-template-columns:repeat(3,1fr);max-width:520px;}
  .hero-collage .vcard:nth-child(2){transform:none;}
  .clip-wall{grid-template-columns:repeat(2,1fr);gap:18px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .list-layout{grid-template-columns:1fr;gap:32px;}
  .list-aside{position:static;}
  .panel{grid-template-columns:1fr;}
  .panel-media{min-height:260px;}
  .panel-body{padding:32px 28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{padding:0 18px;min-height:60px;}
  .brand{font-size:15px;}
  .brand-text{white-space:normal;line-height:1.25;max-width:140px;}
  .header-actions .btn-sm{padding:8px 14px;min-height:40px;font-size:13.5px;}
  .hero{padding:20px 0 52px;}
  .hero-copy h1{margin:16px 0 14px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{gap:18px;margin-top:26px;padding-top:18px;}
  .hero-stat b{font-size:17px;}
  .hero-collage{max-width:none;grid-template-columns:repeat(3,1fr);gap:10px;}
  .vcard .vtitle{font-size:11.5px;left:9px;right:9px;bottom:9px;}
  .vcard .vplay{width:36px;height:36px;font-size:12px;}
  .clip-wall{
    display:flex;overflow-x:auto;gap:14px;
    scroll-snap-type:x mandatory;
    padding-bottom:8px;
    margin:0 -18px;padding-left:18px;padding-right:18px;
    -webkit-overflow-scrolling:touch;
  }
  .clip-wall::-webkit-scrollbar{display:none;}
  .clip-card{flex:0 0 72vw;scroll-snap-align:start;}
  .number-row{grid-template-columns:44px 1fr;gap:14px;padding:20px 12px;}
  .number-row .thumb{display:none;}
  .number-row .arrow{display:none;}
  .num{font-size:22px;}
  .steps{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-desc{max-width:none;}
  .cta-band{padding:30px 22px;border-radius:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .panel-body{padding:26px 20px;}
  .crumbs{padding:16px 0 0;}
}
@media screen and (max-width:479px){
  .brand-text{font-size:14px;max-width:118px;}
  .hero-copy h1{font-size:1.72rem;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .clip-card{flex:0 0 80vw;}
  .cta-actions .btn{width:100%;flex:1 1 100%;}
  .section-head h2{font-size:1.45rem;}
  .faq-item summary{font-size:15.5px;gap:14px;}
}

/* roulang page: article */
:root{
  --primary:#1E5B50;
  --deep:#122A26;
  --accent:#C94F2B;
  --accent-dark:#A93F22;
  --lime:#DDEB8B;
  --bg:#F7F3EA;
  --card:#FFFFFF;
  --soft:#EFE9DD;
  --ink:#17211F;
  --muted:#6F756F;
  --line:#DED7C9;
  --radius-card:14px;
  --radius-btn:8px;
  --shadow:0 8px 24px rgba(18,42,38,.08);
  --shadow-hover:0 14px 32px rgba(18,42,38,.12);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;box-shadow:0 0 0 3px var(--deep)}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 28px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#FFFDF8;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 12px rgba(18,42,38,.06);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;color:#F7F3EA;
  background:linear-gradient(150deg,#1E5B50 0%,#122A26 100%);
  box-shadow:0 4px 12px rgba(18,42,38,.22);
}
.brand-name{font-weight:700;font-size:17px;color:var(--deep);letter-spacing:.01em;line-height:1.25}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{color:var(--primary);background:rgba(30,91,80,.07)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--accent);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.header-search{position:relative;display:flex;align-items:center}
.header-search i{position:absolute;left:14px;font-size:13px;color:var(--muted);pointer-events:none}
.header-search input{
  width:214px;height:42px;padding:0 16px 0 36px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;
}
.header-search input::placeholder{color:#9AA09A}
.header-search input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(30,91,80,.13);
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:10px;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--deep);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .12s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(201,79,43,.22)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;box-shadow:0 10px 22px rgba(201,79,43,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(30,91,80,.09);color:var(--primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#F7F3EA;color:var(--deep);border-color:transparent}
.btn-light:hover{background:#fff;color:var(--deep)}
.btn-outline-light{background:transparent;color:#F7F3EA;border-color:rgba(247,243,234,.55)}
.btn-outline-light:hover{background:rgba(247,243,234,.12);color:#fff}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:22px 0 6px}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb-list a{color:var(--muted);transition:color .18s ease}
.breadcrumb-list a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.breadcrumb-list .sep{color:#BEB6A6}
.breadcrumb-list .current{color:var(--ink);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article hero ---------- */
.article-hero{padding:14px 0 0}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:var(--lime);color:#2B3A16;
  font-size:13px;font-weight:600;letter-spacing:.01em;
}
.article-title{
  font-size:clamp(1.85rem,3.4vw,2.85rem);
  line-height:1.28;font-weight:700;color:var(--deep);
  margin:16px 0 14px;max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:13.5px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{font-size:12px;color:var(--primary)}
.cover-wrap{
  margin-top:26px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:var(--soft);
}
.cover-wrap img{width:100%;height:clamp(210px,36vw,410px);object-fit:cover}

/* ---------- Article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 336px;
  gap:48px;align-items:start;padding:40px 0 0;
}
.article-main{min-width:0}
.article-body{
  font-size:17px;line-height:1.85;color:var(--ink);
  max-width:780px;word-wrap:break-word;overflow-wrap:break-word;
}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:clamp(1.4rem,2.4vw,1.9rem);line-height:1.45;
  font-weight:700;color:var(--deep);margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:1.05em;
  border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:1.22rem;line-height:1.55;font-weight:700;color:var(--deep);margin:32px 0 12px}
.article-body h4{font-size:1.05rem;font-weight:700;color:var(--primary);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:10px}
.article-body li::marker{color:var(--primary)}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;transition:color .18s ease}
.article-body a:hover{color:var(--accent)}
.article-body strong{font-weight:700;color:var(--deep)}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;
  border-left:3px solid var(--accent);background:var(--soft);
  border-radius:0 12px 12px 0;color:#37413D;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:10px;margin:24px 0;width:100%;object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);margin-top:8px;text-align:center}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}
.article-body .table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:12px;background:#fff}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:var(--soft);font-weight:600;color:var(--deep);white-space:nowrap}
.article-body tr:last-child td{border-bottom:none}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:780px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:44px 28px;text-align:center;box-shadow:var(--shadow);
}
.empty-state i{font-size:30px;color:var(--primary);margin-bottom:14px;display:block}
.empty-state h2{font-size:1.3rem;font-weight:700;color:var(--deep);margin-bottom:10px}
.empty-state p{font-size:15.5px;color:var(--muted);margin-bottom:20px}

/* ---------- Sidebar ---------- */
.sidebar{position:sticky;top:96px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow);margin-bottom:22px;
}
.side-card h2{font-size:1rem;font-weight:700;color:var(--deep);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h2 i{color:var(--accent);font-size:14px}
.rel-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);transition:transform .18s ease}
.rel-item:last-child{border-bottom:none;padding-bottom:0}
.rel-item:first-of-type{padding-top:0}
.rel-item:hover{transform:translateX(3px)}
.rel-thumb{width:74px;height:58px;border-radius:8px;overflow:hidden;flex:0 0 auto;background:var(--soft)}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-text{min-width:0}
.rel-title{font-size:14px;line-height:1.5;font-weight:600;color:var(--deep);display:block;margin-bottom:4px}
.rel-item:hover .rel-title{color:var(--primary)}
.rel-meta{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.cta-card{
  background:linear-gradient(160deg,#1E5B50 0%,#122A26 100%);
  border:none;color:#F1EDE2;padding:26px 22px;
}
.cta-card h2{color:#F7F3EA}
.cta-card h2 i{color:var(--lime)}
.cta-card p{font-size:14px;line-height:1.75;color:rgba(247,243,234,.82);margin-bottom:16px}
.cta-card .btn{width:100%}
.cta-card .cta-note{font-size:12px;color:rgba(247,243,234,.6);margin-top:10px;line-height:1.6}

/* ---------- Article foot ---------- */
.article-foot{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;font-size:14.5px;
}
.link-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--primary);font-weight:600;transition:color .18s ease,gap .18s ease}
.link-arrow:hover{color:var(--accent);gap:11px}
.link-arrow i{font-size:12px}

/* ---------- Section shared ---------- */
.section{padding:64px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:7px;padding:4px 12px;border-radius:999px;
  background:rgba(30,91,80,.08);color:var(--primary);font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.section-title{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.4;font-weight:700;color:var(--deep)}
.section-desc{margin-top:10px;font-size:15.5px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-of-type{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 2px;font-size:16.5px;font-weight:600;color:var(--deep);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--primary);font-size:13px;transition:transform .2s ease,background .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);color:#2B3A16}
.faq-answer{padding:0 44px 22px 2px;font-size:15.5px;line-height:1.85;color:#414B47}

/* ---------- Rec cards (foundation grid) ---------- */
.rec-cell{margin-bottom:24px}
.rec-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rec-card img{width:100%;height:152px;object-fit:cover}
.rec-card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-card-body h3{font-size:1.02rem;line-height:1.55;font-weight:700;color:var(--deep)}
.rec-card-body p{font-size:14px;line-height:1.7;color:var(--muted);flex:1}
.rec-meta{display:flex;gap:10px;font-size:12.5px;color:var(--muted)}
.rec-meta .pill{background:var(--soft);color:var(--primary);border-radius:999px;padding:2px 9px;font-weight:600}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,#1E5B50 0%,#122A26 100%);
  border-radius:18px;padding:44px;color:#F7F3EA;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 40px rgba(18,42,38,.18);
}
.cta-band h2{font-size:clamp(1.3rem,2.2vw,1.75rem);font-weight:700;line-height:1.45;margin-bottom:10px;color:#F7F3EA}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(247,243,234,.8);max-width:56ch}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ---------- Footer ---------- */
.site-footer{background:var(--deep);color:#E7E3D7;padding:64px 0 26px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(150deg,#2E7A6B,#1E5B50)}
.footer-brand b{font-size:16.5px;color:#F7F3EA;font-weight:700;letter-spacing:.01em}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(231,227,215,.72);max-width:44ch}
.footer-col h3{font-size:14px;font-weight:700;color:var(--lime);margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(231,227,215,.8);transition:color .18s ease}
.footer-links a:hover{color:var(--lime)}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;line-height:1.75;color:rgba(231,227,215,.75);margin-bottom:12px}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,243,234,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(231,227,215,.6);
}

/* ---------- Mobile fixed cta ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:#FFFDF8;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(18,42,38,.12);
  transform:translateY(110%);transition:transform .26s ease;
}
.mobile-cta.is-visible{transform:translateY(0)}
.mobile-cta p{font-size:13px;line-height:1.5;color:var(--deep);font-weight:600;margin:0;flex:1}
.mobile-cta .btn{min-height:42px;padding:0 16px;font-size:14px}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .header-search input{width:168px}
  .nav-link{padding:9px 9px;font-size:14.5px}
  .article-layout{gap:36px;grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:1023px){
  .container{padding:0 22px}
  .nav-toggle{display:inline-flex}
  .header-search{display:none}
  .nav-main{
    position:absolute;left:0;right:0;top:100%;display:none;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#FFFDF8;border-bottom:1px solid var(--line);
    padding:10px 14px 18px;box-shadow:0 18px 32px rgba(18,42,38,.12);
  }
  .nav-main.is-open{display:flex}
  .nav-link{padding:13px 12px;border-radius:8px;font-size:15px}
  .nav-link.is-active{background:rgba(30,91,80,.08)}
  .nav-link.is-active::after{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .sidebar{position:static;margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
  .side-card{margin-bottom:0}
  .section{padding:56px 0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  body{padding-bottom:74px}
  .site-header .header-inner{min-height:60px;gap:12px}
  .brand-name{font-size:15px;max-width:150px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .header-actions{gap:8px}
  .btn-sm{padding:0 13px;font-size:13.5px;min-height:40px}
  .article-title{max-width:none;font-size:clamp(1.5rem,6vw,2rem)}
  .article-meta{font-size:12.5px;gap:6px 14px}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{margin:34px 0 14px}
  .sidebar{grid-template-columns:1fr}
  .section{padding:46px 0}
  .section-head{margin-bottom:24px}
  .cta-band{padding:28px 22px;border-radius:14px}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px;margin-top:52px}
  .footer-bottom{flex-direction:column;gap:6px}
  .mobile-cta{display:flex}
  .rec-card img{height:170px}
  .breadcrumb-list .current{white-space:normal}
}
@media (max-width:479px){
  .article-title{font-size:1.45rem}
  .btn{min-height:44px;padding:0 16px;font-size:14.5px}
  .header-actions .btn-sm{display:none}
  .faq-answer{padding-right:8px}
  .rel-thumb{width:64px;height:52px}
  .article-meta span{font-size:12px}
}

/* roulang page: category2 */
:root{
  --ink:#17211F;
  --sub:#6F756F;
  --bg:#F7F3EA;
  --card:#FFFFFF;
  --soft:#EFE9DD;
  --green:#1E5B50;
  --deep:#122A26;
  --orange:#C94F2B;
  --orange-dark:#A93F22;
  --lime:#DDEB8B;
  --line:#DED7C9;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 8px 24px rgba(18,42,38,.08);
  --shadow-hover:0 14px 32px rgba(18,42,38,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ---------- 容器与栅格 ---------- */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 28px;}
.grid-x{margin-left:-14px;margin-right:-14px;}
.grid-x>.cell{padding-left:14px;padding-right:14px;}
.section{padding:84px 0;}
.section--soft{background:var(--soft);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px;}
.section-head p{color:var(--sub);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:#2C3A14;
  font-size:13px;font-weight:600;letter-spacing:.4px;
  padding:6px 14px;border-radius:999px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(201,79,43,.22);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;box-shadow:0 10px 24px rgba(201,79,43,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green);}
.btn-ghost:hover{background:rgba(30,91,80,.08);color:var(--green);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;box-shadow:0 0 0 4px rgba(18,42,38,.16);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#FFFDF8;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(18,42,38,.06);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--ink);font-weight:700;font-size:17px;}
.brand:hover{color:var(--green);}
.brand-mark{
  position:relative;width:32px;height:32px;flex:0 0 auto;
  border-radius:10px;
  background:linear-gradient(135deg,var(--green),var(--deep));
  box-shadow:0 4px 10px rgba(18,42,38,.22);
}
.brand-mark::before{
  content:"";position:absolute;left:50%;top:50%;
  transform:translate(-38%,-50%);
  border-left:10px solid var(--lime);
  border-top:6px solid transparent;
  border-bottom:6px solid transparent;
}
.brand-mark::after{
  content:"";position:absolute;inset:4px;
  border:1.5px solid rgba(221,235,139,.42);
  border-radius:8px;
  border-right-color:transparent;border-bottom-color:transparent;
}
.nav-main{display:flex;align-items:center;gap:22px;margin-right:auto;}
.nav-link{
  position:relative;display:inline-block;
  color:var(--ink);font-size:15px;font-weight:500;padding:6px 2px;
  transition:color .2s ease;
}
.nav-link:hover{color:var(--green);}
.nav-link.is-active{color:var(--green);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;
  height:2px;border-radius:2px;background:var(--orange);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:9px;
  height:42px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--sub);font-size:14px;}
.search-box input{
  border:0;outline:0;background:transparent;
  width:142px;font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:#9AA09A;}
.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(30,91,80,.12);}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;
}
.menu-toggle:hover{border-color:var(--green);color:var(--green);}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--sub);margin:0;padding:0;list-style:none;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#BEB8AA;}
.breadcrumb a{color:var(--sub);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;padding:38px 0 72px;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;right:-160px;top:-140px;
  width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(30,91,80,.14);
  box-shadow:0 0 0 60px rgba(30,91,80,.045),0 0 0 130px rgba(30,91,80,.025);
  pointer-events:none;
}
.cat-hero .grid-x{position:relative;z-index:1;}
.hero-copy{padding-top:14px;}
.hero-title{
  font-size:clamp(2rem,4vw,3.2rem);
  line-height:1.16;
  margin:18px 0 18px;
}
.hero-title span{color:var(--green);}
.hero-lead{font-size:17px;color:var(--sub);max-width:560px;line-height:1.8;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:34px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.stat-num{display:block;font-size:24px;font-weight:700;color:var(--deep);line-height:1.2;}
.stat-label{display:block;font-size:13.5px;color:var(--sub);margin-top:4px;}
.hero-collage{
  display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:auto auto;
  gap:14px;align-items:stretch;
}
.shot{border-radius:16px;overflow:hidden;box-shadow:var(--shadow);position:relative;background:var(--soft);}
.shot img{width:100%;height:100%;object-fit:cover;}
.shot-main{grid-row:span 2;min-height:380px;}
.shot-main::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:52%;
  background:linear-gradient(180deg,rgba(18,42,38,0),rgba(18,42,38,.72));
}
.shot-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  background:rgba(18,42,38,.7);color:#F7F3EA;
  font-size:12.5px;padding:5px 11px;border-radius:999px;backdrop-filter:blur(3px);
}
.shot-caption{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  color:#F7F3EA;font-size:14px;font-weight:600;line-height:1.5;
}
.shot-small{min-height:182px;}
.shot-tag{
  position:absolute;left:12px;bottom:12px;z-index:2;
  background:var(--lime);color:#2C3A14;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
}

/* ---------- 双栏对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);
}
.compare-col.is-best{
  border-color:rgba(30,91,80,.4);
  background:linear-gradient(180deg,#FFFFFF 0%,#FBFDF9 100%);
}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;}
.compare-head h3{font-size:1.22rem;}
.pill{
  display:inline-block;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;background:var(--soft);color:var(--sub);
}
.pill--green{background:rgba(30,91,80,.1);color:var(--green);}
.pill--lime{background:var(--lime);color:#2C3A14;}
.compare-sub{font-size:14px;color:var(--sub);margin-bottom:6px;}
.compare-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px dashed var(--line);}
.compare-item:last-child{border-bottom:0;padding-bottom:0;}
.compare-item i{margin-top:5px;font-size:14px;color:var(--green);flex:0 0 auto;}
.compare-col:not(.is-best) .compare-item i{color:#A9A296;}
.compare-item b{display:block;font-size:15.5px;margin-bottom:3px;}
.compare-item span{font-size:14.5px;color:var(--sub);line-height:1.7;}

/* ---------- 步骤条 ---------- */
.steps-wrap{position:relative;}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;
}
.steps::before{
  content:"";position:absolute;left:6%;right:6%;top:38px;height:1px;
  background:repeating-linear-gradient(90deg,rgba(30,91,80,.35) 0 8px,transparent 8px 16px);
}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px 26px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(30,91,80,.3);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:var(--deep);color:var(--lime);
  font-size:16px;font-weight:700;margin-bottom:16px;
  box-shadow:0 6px 16px rgba(18,42,38,.24);
}
.step h3{font-size:1.05rem;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--sub);line-height:1.72;margin:0;}

/* ---------- 工具卡 ---------- */
.tool-grid{margin-bottom:-22px;}
.tool-grid>.cell{margin-bottom:22px;}
.tool-card{
  display:grid;grid-template-columns:132px 1fr;gap:18px;
  height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(30,91,80,.3);}
.tool-thumb{border-radius:10px;overflow:hidden;background:var(--soft);min-height:120px;}
.tool-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.tool-card:hover .tool-thumb img{transform:scale(1.04);}
.tool-body{display:flex;flex-direction:column;}
.tool-tag{
  align-self:flex-start;font-size:12px;font-weight:600;
  background:rgba(30,91,80,.1);color:var(--green);
  padding:3px 10px;border-radius:999px;margin-bottom:9px;
}
.tool-body h3{font-size:1.08rem;margin-bottom:7px;}
.tool-body p{font-size:14.5px;color:var(--sub);line-height:1.7;margin:0 0 12px;}
.tool-link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--green);
  display:inline-flex;align-items:center;gap:7px;
}
.tool-link i{transition:transform .2s ease;}
.tool-link:hover{color:var(--orange);}
.tool-link:hover i{transform:translateX(4px);}

/* ---------- 场景带 ---------- */
.scene-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.scene{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
}
.scene i{font-size:20px;color:var(--orange);margin-bottom:14px;display:block;}
.scene h3{font-size:1.05rem;margin-bottom:8px;}
.scene p{font-size:14.5px;color:var(--sub);line-height:1.72;margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(30,91,80,.35);box-shadow:var(--shadow);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);color:var(--green);
  font-size:18px;line-height:1;font-weight:400;
  transition:transform .25s ease,background .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"+";transform:rotate(45deg);background:var(--green);color:#fff;border-color:var(--green);}
.faq-item summary:hover{color:var(--green);}
.faq-answer{padding:0 22px 22px;font-size:15.5px;line-height:1.82;color:var(--sub);}
.faq-answer strong{color:var(--ink);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--deep);color:#F4EFE4;
  border-radius:20px;padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:300px;height:300px;
  border-radius:50%;border:1px solid rgba(221,235,139,.22);
  box-shadow:0 0 0 46px rgba(221,235,139,.06);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin-bottom:10px;color:#FFFDF8;}
.cta-band p{color:rgba(244,239,228,.76);font-size:15.5px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-band .btn-ghost{color:#F4EFE4;border-color:rgba(244,239,228,.55);}
.cta-band .btn-ghost:hover{background:rgba(244,239,228,.12);color:#FFFDF8;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#EDE7DA;padding:66px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:42px;}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:700;color:#FFFDF8;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-desc{font-size:14.5px;line-height:1.82;color:rgba(237,231,218,.7);margin:0;}
.footer-col h3{font-size:15px;color:#FFFDF8;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(237,231,218,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14px;line-height:1.7;color:rgba(237,231,218,.7);}
.footer-contact i{margin-top:5px;color:var(--lime);font-size:13px;flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid rgba(237,231,218,.16);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,231,218,.55);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .container{max-width:1040px;padding:0 24px;}
  .section{padding:72px 0;}
  .shot-main{min-height:340px;}
}
@media screen and (max-width:1023px){
  .nav-main{display:none;}
  .nav-main.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;left:0;right:0;top:100%;
    background:#FFFDF8;border-bottom:1px solid var(--line);
    padding:12px 24px 18px;box-shadow:0 14px 28px rgba(18,42,38,.1);
  }
  .nav-main.is-open .nav-link{padding:12px 12px;border-radius:8px;width:100%;}
  .nav-main.is-open .nav-link.is-active{background:rgba(30,91,80,.1);}
  .nav-link.is-active::after{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{min-height:66px;gap:14px;}
  .brand{font-size:15.5px;}
  .hero-collage{grid-template-columns:1fr 1fr;margin-top:34px;}
  .shot-main{min-height:300px;grid-row:span 1;grid-column:span 2;}
  .compare-grid{grid-template-columns:1fr;gap:18px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .scene-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{padding:36px 30px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .cat-hero{padding:28px 0 50px;}
  .hero-lead{font-size:15.5px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-stats{gap:20px;justify-content:space-between;}
  .stat-num{font-size:20px;}
  .shot-main{min-height:250px;}
  .shot-small{min-height:130px;}
  .tool-card{grid-template-columns:1fr;gap:14px;}
  .tool-thumb{min-height:160px;}
  .tool-grid{margin-bottom:-16px;}
  .tool-grid>.cell{margin-bottom:16px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq-item summary{font-size:15.5px;padding:17px 18px;}
  .faq-answer{padding:0 18px 20px;font-size:15px;}
  .cta-band{padding:30px 22px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}
@media screen and (max-width:519px){
  .brand{font-size:14px;}
  .brand-mark{width:28px;height:28px;}
  .header-actions .btn-sm{padding:0 14px;font-size:13.5px;height:38px;}
  .hero-title{font-size:1.72rem;}
  .compare-col{padding:22px 18px;}
  .shot-main{grid-column:span 2;}
  .hero-collage{grid-template-columns:1fr;}
  .shot-small{grid-column:span 1;min-height:150px;}
}

/* roulang page: category3 */
:root{
  --brand:#1E5B50;
  --brand-dark:#122A26;
  --brand-soft:#E4EEE9;
  --accent:#C94F2B;
  --accent-dark:#A93F22;
  --lime:#DDEB8B;
  --bg:#F7F3EA;
  --card:#FFFFFF;
  --soft:#EFE9DD;
  --ink:#17211F;
  --ink-2:#6F756F;
  --line:#DED7C9;
  --radius-card:14px;
  --radius-btn:8px;
  --shadow-sm:0 8px 24px rgba(18,42,38,.08);
  --shadow-md:0 14px 32px rgba(18,42,38,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;box-shadow:0 0 0 4px rgba(30,91,80,.28);border-radius:6px;}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}
@media (min-width:1200px){ .container{max-width:1240px;} }
@media (max-width:767px){ .container{padding:0 18px;} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFDF8;
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(18,42,38,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--brand-dark);
  font-weight:700;
  font-size:17px;
  letter-spacing:.2px;
  line-height:1.25;
}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:36px;height:36px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(140deg,var(--brand) 0%,#2A7364 100%);
  box-shadow:0 6px 14px rgba(30,91,80,.24);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.nav-main{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  border-radius:8px;
  font-size:15.5px;
  color:var(--ink);
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.header-search{
  position:relative;
  display:flex;
  align-items:center;
}
.header-search i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--ink-2);
  pointer-events:none;
}
.header-search input{
  width:196px;
  height:42px;
  padding:0 14px 0 36px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  font-size:14px;
  color:var(--ink);
  transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.header-search input::placeholder{color:#9AA09A;}
.header-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(30,91,80,.14);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .18s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 18px rgba(201,79,43,.24);
}
.btn-primary:hover{background:var(--accent-dark);color:#fff;box-shadow:0 12px 24px rgba(201,79,43,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{
  background:#FFFDF8;
  color:var(--brand-dark);
  border-color:transparent;
}
.btn-light:hover{background:var(--lime);color:var(--brand-dark);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14.5px;}
.btn-lg{min-height:50px;padding:0 30px;font-size:16px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--brand-dark);
  font-size:16px;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-soft);}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#FFFDF8;
  padding:8px 18px 18px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel .nav-link{
  display:block;
  padding:13px 12px;
  border-radius:10px;
  font-size:16px;
}
.mobile-panel .nav-link::after{display:none;}
.mobile-panel .nav-link.is-active{background:var(--brand-soft);}
.mobile-search{
  position:relative;
  display:flex;
  align-items:center;
  margin:10px 0 12px;
}
.mobile-search i{position:absolute;left:14px;font-size:13px;color:var(--ink-2);}
.mobile-search input{
  width:100%;height:44px;padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:999px;background:var(--bg);font-size:15px;
}

@media (max-width:1099px){
  .header-search input{width:150px;}
  .nav-link{padding:9px 10px;font-size:15px;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .header-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:66px;gap:12px;}
  .header-actions{margin-left:auto;}
  .brand{font-size:16px;}
}
@media (max-width:520px){
  .brand-text{max-width:150px;display:inline-block;font-size:14.5px;}
  .header-inner{height:60px;}
  .header-actions .btn-sm{padding:0 13px;font-size:13.5px;min-height:38px;}
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  padding:22px 0 0;
  font-size:13.5px;
  color:var(--ink-2);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{
  content:"/";
  color:#B9B3A6;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:34px 0 76px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  top:-120px;right:-140px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%, rgba(221,235,139,.42), rgba(221,235,139,0) 68%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  left:-160px;bottom:-200px;
  width:460px;height:460px;
  border-radius:50%;
  border:1px solid rgba(30,91,80,.12);
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:999px;
  background:var(--lime);
  color:#2C3A18;
  font-size:13px;
  font-weight:700;
  letter-spacing:.4px;
}
.eyebrow i{font-size:12px;}
.cat-hero h1{
  margin:20px 0 18px;
  font-size:clamp(2rem,3.6vw,3.1rem);
  line-height:1.24;
  font-weight:700;
  letter-spacing:-.3px;
  color:var(--brand-dark);
}
.cat-hero h1 .hl{
  position:relative;
  color:var(--brand);
}
.cat-hero h1 .hl::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:4px;
  height:10px;
  background:rgba(221,235,139,.62);
  border-radius:4px;
  z-index:-1;
}
.lead{
  font-size:17.5px;
  line-height:1.8;
  color:#41504C;
  max-width:600px;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:28px 0 0;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:34px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-stats li{min-width:104px;}
.hero-stats b{
  display:block;
  font-size:24px;
  line-height:1.2;
  color:var(--brand);
  font-weight:700;
}
.hero-stats span{
  display:block;
  margin-top:6px;
  font-size:13.5px;
  color:var(--ink-2);
}
.hero-collage{
  position:relative;
  padding-bottom:38px;
}
.collage-main{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
  aspect-ratio:4/3.2;
  border:1px solid rgba(222,215,201,.9);
}
.collage-main img{width:100%;height:100%;object-fit:cover;}
.collage-main::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,42,38,0) 42%,rgba(18,42,38,.72) 100%);
}
.collage-caption{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:2;
  color:#fff;
  font-size:14.5px;
  line-height:1.6;
}
.collage-caption strong{display:block;font-size:16px;margin-bottom:4px;}
.collage-tag{
  position:absolute;
  top:16px;left:16px;
  z-index:2;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(18,42,38,.72);
  color:#fff;
  font-size:12.5px;
  letter-spacing:.3px;
  backdrop-filter:blur(2px);
}
.collage-sub{
  position:absolute;
  right:-18px;bottom:0;
  width:46%;
  min-width:180px;
  border-radius:14px;
  overflow:hidden;
  border:4px solid #FFFDF8;
  box-shadow:var(--shadow-md);
  aspect-ratio:3/2;
}
.collage-sub img{width:100%;height:100%;object-fit:cover;}
@media (max-width:1023px){
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-collage{padding-bottom:30px;max-width:600px;}
  .cat-hero{padding:26px 0 60px;}
}
@media (max-width:520px){
  .hero-stats{gap:20px 28px;}
  .hero-stats b{font-size:21px;}
  .hero-cta .btn{width:100%;}
}

/* ---------- Section base ---------- */
.section{padding:78px 0;}
.section-soft{background:var(--soft);}
.section-paper{background:#FFFDF8;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.2px;
  color:var(--accent);
  text-transform:uppercase;
}
.section-kicker::before{
  content:"";
  width:22px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.section-head h2{
  margin:14px 0 14px;
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  line-height:1.3;
  color:var(--brand-dark);
  letter-spacing:-.2px;
}
.section-head p{
  font-size:16.5px;
  color:var(--ink-2);
  line-height:1.8;
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
}

/* ---------- Timeline ---------- */
.timeline{
  position:relative;
  max-width:940px;
  margin:0;
  padding-left:0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;
  top:14px;
  bottom:22px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(30,91,80,.28) 78%,rgba(30,91,80,0) 100%);
}
.tl-item{
  position:relative;
  padding:0 0 34px 76px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;
  left:0;top:0;
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:#FFFDF8;
  border:2px solid var(--brand);
  color:var(--brand);
  font-size:15px;
  font-weight:700;
  box-shadow:0 6px 16px rgba(30,91,80,.12);
}
.tl-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFC7B6;}
.tl-body h3{
  font-size:1.18rem;
  color:var(--brand-dark);
  margin-bottom:8px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.tl-time{
  font-size:12.5px;
  font-weight:600;
  color:#3C4A22;
  background:var(--lime);
  padding:3px 10px;
  border-radius:999px;
}
.tl-body p{font-size:15.5px;color:#4C5A56;line-height:1.78;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
}
.tag-warm{background:#F7E3DA;color:var(--accent);}
@media (max-width:640px){
  .timeline::before{left:17px;}
  .tl-item{padding-left:56px;}
  .tl-num{width:36px;height:36px;font-size:13px;}
  .tl-body{padding:18px;}
}

/* ---------- Feature big card ---------- */
.feature{
  display:grid;
  grid-template-columns:1.02fr 1fr;
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.feature-media{position:relative;min-height:340px;}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(18,42,38,.42) 0%,rgba(18,42,38,0) 62%);
}
.feature-media .collage-tag{top:18px;left:18px;}
.feature-body{
  padding:44px 44px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.feature-body h2{
  font-size:clamp(1.5rem,2.3vw,2rem);
  color:var(--brand-dark);
  margin-bottom:14px;
  line-height:1.32;
}
.feature-body p{font-size:16px;color:#4C5A56;line-height:1.82;}
.feature-list{margin:22px 0 26px;display:grid;gap:12px;}
.feature-list li{
  display:flex;
  gap:12px;
  font-size:15.5px;
  color:#3B4A46;
  line-height:1.7;
}
.feature-list i{
  color:var(--brand);
  margin-top:5px;
  font-size:13px;
  flex-shrink:0;
}
@media (max-width:900px){
  .feature{grid-template-columns:1fr;}
  .feature-media{min-height:240px;aspect-ratio:16/9;}
  .feature-body{padding:30px 24px 32px;}
}

/* ---------- Checklist cards ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.scene-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 30px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;
  flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFC7B6;}
.scene-top{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:16px;
}
.scene-icon{
  width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:18px;
  flex-shrink:0;
}
.scene-card h3{
  font-size:1.14rem;
  color:var(--brand-dark);
  line-height:1.4;
}
.scene-card > p{
  font-size:15.3px;
  color:#4C5A56;
  line-height:1.78;
  margin-bottom:18px;
}
.check-list{display:grid;gap:10px;margin-bottom:22px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:14.8px;
  color:#3B4A46;
  line-height:1.7;
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:2px;
  font-size:11px;
  color:var(--brand);
  background:var(--brand-soft);
  width:18px;height:18px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.scene-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--accent);
}
.scene-link i{transition:transform .22s var(--ease);font-size:12px;}
.scene-link:hover{color:var(--accent-dark);}
.scene-link:hover i{transform:translateX(4px);}
@media (max-width:900px){
  .scene-grid{grid-template-columns:1fr;}
  .scene-card{padding:24px;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 4px;
  cursor:pointer;
  font-size:16.5px;
  font-weight:600;
  color:var(--brand-dark);
  list-style:none;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  flex-shrink:0;
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#FFFDF8;
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
  font-size:12px;
  transition:transform .26s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);color:#2C3A18;}
.faq-answer{
  padding:0 4px 24px;
  font-size:15.8px;
  line-height:1.85;
  color:#4C5A56;
  max-width:790px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand-dark) 0%,#1A4A42 62%,#1E5B50 100%);
  color:#F3F1E7;
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:340px;height:340px;
  border-radius:50%;
  border:1px solid rgba(221,235,139,.26);
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(1.5rem,2.4vw,2.05rem);
  line-height:1.34;
  margin-bottom:10px;
  color:#FFFDF8;
}
.cta-inner p{font-size:16px;color:rgba(247,243,234,.82);max-width:620px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-ghost{color:#F3F1E7;border-color:rgba(247,243,234,.55);}
.cta-band .btn-ghost:hover{background:rgba(247,243,234,.14);color:#fff;border-color:rgba(247,243,234,.85);}
@media (max-width:767px){
  .cta-band{padding:46px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(247,243,234,.82);
  padding:64px 0 26px;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.35fr;
  gap:40px;
  padding-bottom:42px;
  border-bottom:1px solid rgba(247,243,234,.14);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  color:#FFFDF8;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:rgba(247,243,234,.14);
  box-shadow:none;
}
.footer-brand .brand-mark::before{
  content:"";
  width:12px;height:12px;
  border-left:2px solid var(--lime);
  border-top:2px solid var(--lime);
  border-radius:3px 0 0 0;
  display:block;
}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(247,243,234,.68);}
.footer-col h3{
  font-size:14px;
  letter-spacing:1px;
  color:#FFFDF8;
  margin-bottom:18px;
  font-weight:700;
}
.footer-links{display:grid;gap:11px;}
.footer-links a{color:rgba(247,243,234,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:grid;gap:14px;}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:rgba(247,243,234,.68);
}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px;flex-shrink:0;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  font-size:13px;
  color:rgba(247,243,234,.55);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:600px){
  .site-footer{padding:46px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --ink:#17211F;
  --deep:#122A26;
  --primary:#1E5B50;
  --primary-soft:#E7EFEC;
  --accent:#C94F2B;
  --accent-dark:#A93F22;
  --lime:#DDEB8B;
  --bg:#F7F3EA;
  --card:#FFFFFF;
  --soft:#EFE9DD;
  --muted:#6F756F;
  --line:#DED7C9;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 8px 24px rgba(18,42,38,.08);
  --shadow-hover:0 14px 32px rgba(18,42,38,.12);
  --container:1180px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;box-shadow:inset 0 0 0 2px var(--deep);}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:28px;
  padding-right:28px;
}
.section{padding:88px 0;}
.section--soft{background:var(--soft);}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--lime);
  color:var(--deep);
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  margin-bottom:18px;
}
.section-title{font-size:clamp(1.6rem,3vw,2.3rem);}
.section-sub{margin-top:14px;color:var(--muted);font-size:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
  text-align:center;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(201,79,43,.22);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;box-shadow:0 10px 24px rgba(201,79,43,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#FFFDF8;color:var(--deep);border-color:transparent;}
.btn-light:hover{background:var(--lime);color:var(--deep);}
.btn-outline-light{background:transparent;color:#F4F1E8;border-color:rgba(244,241,232,.55);}
.btn-outline-light:hover{background:rgba(244,241,232,.12);color:#FFFDF8;border-color:#FFFDF8;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14.5px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#FFFDF8;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(18,42,38,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:26px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  position:relative;
  width:38px;height:38px;
  border-radius:11px;
  background:linear-gradient(150deg,#1E5B50,#122A26);
  box-shadow:0 6px 14px rgba(18,42,38,.22);
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:14px;top:12px;
  width:0;height:0;
  border-left:11px solid var(--lime);
  border-top:7px solid transparent;
  border-bottom:7px solid transparent;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:8px;top:24px;
  width:22px;height:6px;
  border-radius:50%;
  border-top:2px solid rgba(255,255,255,.5);
  opacity:.8;
}
.brand-text{
  font-size:18px;
  font-weight:700;
  color:var(--deep);
  letter-spacing:.4px;
  white-space:nowrap;
}
.brand:hover .brand-text{color:var(--primary);}
.nav-main{
  display:flex;
  align-items:center;
  gap:6px;
  margin-right:auto;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  border-radius:8px;
  font-size:15px;
  color:var(--ink);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#FBF7EE;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-box i{color:var(--muted);font-size:14px;}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:132px;
  font-size:14.5px;
  color:var(--ink);
  height:100%;
}
.search-box input::placeholder{color:#9AA09A;}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(30,91,80,.12);}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--deep);
  font-size:17px;
  cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.menu-toggle:hover{background:var(--primary-soft);border-color:var(--primary);}
.mobile-nav{
  display:none;
  border-top:1px solid var(--line);
  background:#FFFDF8;
  padding:10px 0 18px;
}
.mobile-nav.is-open{display:block;}
.mobile-nav .nav-link{
  display:block;
  padding:13px 0;
  border-radius:0;
  border-bottom:1px solid var(--line);
  font-size:16px;
}
.mobile-nav .nav-link.is-active::after{display:none;}
.mobile-nav .nav-link.is-active{color:var(--accent);}
.mobile-nav .mobile-cta{margin-top:16px;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 面包屑 ---------- */
.crumbs{
  background:#FFFDF8;
  border-bottom:1px solid var(--line);
  font-size:13.5px;
  color:var(--muted);
}
.crumbs .container{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:48px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs i{font-size:10px;color:#B4B8B0;}
.crumbs .current{color:var(--primary);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(221,235,139,.35),transparent 70%),
    linear-gradient(180deg,#FFFDF8 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:70px 0 76px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.07;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2rem,4vw,3.1rem);
  letter-spacing:.5px;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--primary);
  background:linear-gradient(180deg,transparent 62%,rgba(221,235,139,.85) 62%);
  padding:0 2px;
}
.hero-lead{
  font-size:17px;
  color:#4A5450;
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-stats{
  display:flex;
  gap:34px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-stat b{
  display:block;
  font-size:26px;
  line-height:1.2;
  color:var(--primary);
  letter-spacing:.5px;
}
.hero-stat span{font-size:13.5px;color:var(--muted);}
.hero-visual{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  align-items:end;
}
.visual-card{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--card);
}
.visual-card img{width:100%;height:100%;object-fit:cover;}
.visual-card.tall{aspect-ratio:3/4;transform:translateY(-22px);}
.visual-card.short{aspect-ratio:3/4;}
.visual-card .visual-tag{
  position:absolute;
  left:12px;top:12px;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(18,42,38,.82);
  color:#F4F1E8;
  font-size:12px;
  letter-spacing:.4px;
}
.visual-card .visual-cap{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:26px 12px 12px;
  background:linear-gradient(180deg,rgba(18,42,38,0),rgba(18,42,38,.86));
  color:#F7F3EA;
  font-size:13px;
  line-height:1.5;
}

/* ---------- 标签筛选行 ---------- */
.topic-bar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:34px;
}
.topic-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#FFFDF8;
  color:var(--ink);
  font-size:14px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
}
.topic-chip:hover{background:var(--primary-soft);color:var(--primary);border-color:var(--primary);transform:translateY(-1px);}
.topic-chip i{font-size:12px;color:var(--accent);}

/* ---------- 问答卡 ---------- */
.qa-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.qa-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:28px 26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFC6B4;}
.qa-card .qa-tag{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
}
.qa-card h3{
  font-size:19px;
  line-height:1.5;
  color:var(--deep);
  display:flex;
  gap:10px;
}
.qa-card h3 .qmark{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--lime);
  color:var(--deep);
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:3px;
}
.qa-card p{
  font-size:15.5px;
  color:#49524E;
  line-height:1.8;
  margin:0;
}
.qa-card .qa-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
}
.qa-card .qa-foot a{display:inline-flex;align-items:center;gap:6px;font-weight:600;}
.qa-card .qa-foot a i{transition:transform .2s ease;}
.qa-card .qa-foot a:hover i{transform:translateX(4px);}

/* ---------- 口碑墙 ---------- */
.reputation-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.score-block{
  display:flex;
  align-items:center;
  gap:16px;
  padding:14px 22px;
  border-radius:999px;
  background:#FFFDF8;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.score-block b{font-size:26px;color:var(--primary);line-height:1;}
.score-stars{color:var(--accent);font-size:13px;letter-spacing:2px;}
.score-block span{font-size:13px;color:var(--muted);}
.reputation-rail{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(292px,1fr);
  gap:20px;
  overflow-x:auto;
  padding:6px 6px 20px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.reputation-rail::-webkit-scrollbar{height:6px;}
.reputation-rail::-webkit-scrollbar-thumb{background:#CFC6B4;border-radius:999px;}
.reputation-card{
  scroll-snap-align:start;
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:26px 24px;
  background:#FFFDF8;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.reputation-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.reputation-card .stars{color:var(--accent);font-size:13px;letter-spacing:2px;}
.reputation-card blockquote{
  margin:0;
  font-size:15.5px;
  line-height:1.8;
  color:#3F4844;
}
.reputation-card .who{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--muted);
}
.reputation-card .who .mask{font-weight:600;color:var(--deep);}
.source-tag{
  padding:3px 10px;
  border-radius:999px;
  background:var(--soft);
  color:#5C655F;
  font-size:12px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:24px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--deep);
  cursor:pointer;
  list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item summary:hover{color:var(--primary);}
.faq-item .plus{
  flex-shrink:0;
  width:30px;height:30px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#FFFDF8;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:transform .25s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.faq-item[open] .plus{
  transform:rotate(135deg);
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.faq-answer{
  padding:0 4px 26px;
  font-size:15.5px;
  line-height:1.85;
  color:#49524E;
  max-width:780px;
}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  color:#F4F1E8;
  padding:66px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.cta-band .container{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:12px;}
.cta-band p{color:#D3D8D2;font-size:16px;max-width:640px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 咨询表单 ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:48px;
  align-items:start;
}
.contact-aside .eyebrow{background:#FFFDF8;border:1px solid var(--line);}
.contact-aside h2{font-size:clamp(1.5rem,2.8vw,2.1rem);margin-bottom:16px;}
.contact-aside p{color:var(--muted);font-size:15.5px;}
.contact-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.contact-list li{display:flex;gap:12px;font-size:15px;color:#49524E;}
.contact-list i{color:var(--primary);margin-top:5px;}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:32px;
}
.field{margin-bottom:20px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--deep);
  margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#FBF7EE;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#9AA09A;}
.field input:focus,.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(30,91,80,.13);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7;}
.form-card .btn{width:100%;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--deep);
  color:#D8DDD7;
  padding:70px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr .8fr .8fr 1.15fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:16px;
  color:#FFFDF8;
  font-size:17px;
  letter-spacing:.3px;
}
.footer-brand .brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(150deg,#2A7767,#173B34);
}
.footer-brand .brand-mark::after{left:12px;top:11px;border-left:10px solid var(--lime);border-top:6px solid transparent;border-bottom:6px solid transparent;}
.footer-desc{font-size:14.5px;line-height:1.85;color:#AEB8B1;max-width:360px;}
.footer-col h3{
  font-size:15px;
  color:#FFFDF8;
  margin-bottom:16px;
  letter-spacing:.6px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#AEB8B1;font-size:14.5px;transition:color .2s ease;}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:#AEB8B1;
  margin-bottom:12px;
}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px;}
.footer-bottom{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8E9A93;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding-left:24px;padding-right:24px;}
  .hero-grid{gap:40px;}
  .search-box input{width:104px;}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:34px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{min-height:66px;gap:16px;}
  .brand-text{font-size:16.5px;white-space:normal;max-width:190px;line-height:1.25;}
  .hero{padding:54px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:520px;}
  .visual-card.tall{transform:none;}
  .section{padding:64px 0;}
  .qa-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band .container{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .header-actions .btn{display:none;}
  .hero{padding:44px 0 52px;}
  .hero-lead{font-size:16px;}
  .hero-stats{gap:24px;}
  .hero-stat b{font-size:22px;}
  .hero-visual{grid-template-columns:1fr 1fr;gap:12px;max-width:none;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
  .section-head{margin-bottom:30px;}
  .qa-card{padding:22px 20px;}
  .qa-card h3{font-size:17.5px;}
  .reputation-rail{grid-auto-columns:minmax(268px,82vw);}
  .reputation-head{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:16px;padding:20px 0;gap:14px;}
  .faq-answer{font-size:15px;padding-bottom:22px;}
  .cta-band{padding:48px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-col:last-child{grid-column:auto;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{padding:52px 0 26px;}
}
@media (max-width:519px){
  .brand-text{font-size:15.5px;max-width:150px;}
  .hero h1{font-size:1.72rem;}
  .hero-actions .btn{width:100%;}
  .hero-visual{grid-template-columns:1fr;}
  .visual-card.tall,.visual-card.short{aspect-ratio:16/11;}
  .btn{min-height:46px;}
  .topic-chip{font-size:13.5px;padding:7px 13px;}
  .score-block{width:100%;justify-content:center;}
}