/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --primary:#0B4F45;
  --primary-hover:#0A6154;
  --primary-08:rgba(11,79,69,.08);
  --primary-10:rgba(11,79,69,.10);
  --primary-22:rgba(11,79,69,.22);
  --accent:#FF5A1F;
  --accent-hover:#E64A12;
  --lime:#C6F24E;
  --dark:#08211D;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#08110F;
  --text-2:#4A5A56;
  --text-3:#7C8A86;
  --line:#E4E1D8;
  --dtext:#EAF2EF;
  --dtext-2:#A9BDB7;
  --success:#1F8A5B;
  --warn:#C98A16;
  --danger:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(8,17,15,.05);
  --sh-2:0 16px 32px -14px rgba(8,17,15,.22);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
/* ========== reset / base ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--primary-hover);}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,5vw,52px);line-height:1.16;font-weight:800;letter-spacing:-.5px;}
h2{font-size:clamp(23px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.3px;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.site-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%;}
@media (min-width:1024px){ .site-container{padding-left:28px;padding-right:28px;} }
.section{padding:56px 0;}
@media (min-width:1024px){ .section{padding:100px 0;} }
.section--tight{padding:48px 0;}
@media (min-width:1024px){ .section--tight{padding:72px 0;} }
.section-head{margin-bottom:32px;}
@media (min-width:1024px){ .section-head{margin-bottom:48px;} }
.section-head .lead{margin-top:12px;color:var(--text-2);font-size:16px;max-width:760px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--primary);background:var(--primary-08);border-radius:999px;padding:5px 14px;margin-bottom:14px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all var(--t);white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -10px rgba(255,90,31,.9);}
.btn--primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(255,90,31,.9);}
.btn--primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn--ghost{background:#fff;color:var(--primary);border-color:var(--primary-22);}
.btn--ghost:hover{background:var(--primary-08);color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.3);}
.btn--outline-light:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px);}
.btn--lg{height:50px;padding:0 28px;font-size:16px;}
.btn--block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow svg{transition:transform var(--t);}
.link-arrow:hover{text-decoration:underline;}
.link-arrow:hover svg{transform:translateX(2px);}

/* ========== 徽章 / 标签 ========== */
.badge{display:inline-flex;align-items:center;height:25px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:600;}
.badge--soft{background:var(--primary-10);color:var(--primary);}
.badge--lime{background:var(--lime);color:#0A2B23;}
.badge--light{background:rgba(255,255,255,.12);color:#fff;}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:rgba(247,245,240,.96);}
.nav{display:flex;align-items:center;gap:24px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
  box-shadow:0 6px 14px -8px rgba(11,79,69,.9);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1;}
.brand__name{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.2px;}
.brand__sub{font-size:11px;color:var(--text-3);letter-spacing:.08em;}
.nav__menu{display:flex;align-items:center;gap:28px;margin-left:12px;}
.nav__link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);padding:6px 0;
}
.nav__link::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;background:var(--accent);
  transform:translateX(-50%);transition:width var(--t);
}
.nav__link:hover{color:var(--text);}
.nav__link:hover::after{width:18px;}
.nav__link.is-active{color:var(--text);font-weight:600;}
.nav__link.is-active::after{width:22px;}
.nav__right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;height:40px;width:230px;
  padding:0 10px 0 12px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--text-3);font-size:13.5px;cursor:pointer;
  transition:all var(--t);
}
.command-search:hover{border-color:var(--primary-22);color:var(--text-2);box-shadow:var(--sh-1);}
.command-search .kbd{
  margin-left:auto;font-size:11px;color:var(--text-3);border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;background:var(--bg);line-height:1.2;
}
.nav__cta{display:inline-flex;}
.nav__burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav__burger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav__burger span::before,.nav__burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text);border-radius:2px;}
.nav__burger span::before{top:-5px;}
.nav__burger span::after{top:5px;}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(8,17,15,.45);opacity:0;visibility:hidden;transition:all var(--t);z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__close{align-self:flex-end;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;cursor:pointer;color:var(--text-2);}
.drawer__search{display:flex;align-items:center;gap:8px;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 12px;margin:16px 0 8px;color:var(--text-3);font-size:14px;background:var(--bg);}
.drawer__nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer__nav a{font-size:16px;font-weight:600;color:var(--text);height:48px;display:flex;align-items:center;border-bottom:1px solid var(--line);}
.drawer__nav a.is-active{color:var(--primary);}
.drawer__foot{margin-top:auto;padding-top:20px;}

/* 搜索面板 */
.search-panel{position:fixed;inset:0;z-index:100;display:none;}
.search-panel.is-open{display:block;}
.search-panel__mask{position:absolute;inset:0;background:rgba(8,17,15,.5);}
.search-panel__box{
  position:relative;max-width:640px;margin:12vh auto 0;background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:22px;width:calc(100% - 40px);
}
.search-panel__input{display:flex;align-items:center;gap:10px;height:50px;border:1px solid var(--line);border-radius:10px;padding:0 14px;}
.search-panel__input input{border:0;outline:0;flex:1;height:100%;font-size:15px;background:transparent;color:var(--text);}
.search-panel__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.search-panel__tags button{height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--bg);font-size:13px;color:var(--text-2);cursor:pointer;transition:all var(--t);}
.search-panel__tags button:hover{border-color:var(--primary-22);color:var(--primary);background:var(--primary-08);}
.search-panel__label{font-size:13px;font-weight:600;color:var(--text-3);margin-top:20px;}

/* ========== Hero ========== */
.hero{background:var(--dark);color:var(--dtext);position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;width:900px;height:900px;border:1px solid rgba(198,242,78,.16);
  border-radius:50%;right:-380px;top:-320px;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(255,255,255,.07);
  border-radius:50%;right:-200px;top:-140px;pointer-events:none;
}
.hero__inner{position:relative;z-index:2;padding:56px 0 64px;}
@media (min-width:1024px){ .hero__inner{padding:88px 0 96px;} }
.hero__grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:1024px){ .hero__grid{grid-template-columns:7fr 5fr;gap:56px;} }
.hero h1{color:#fff;margin:16px 0 18px;}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero__sub{font-size:16.5px;line-height:1.85;color:var(--dtext-2);max-width:560px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero__cta .btn{width:100%;}
@media (min-width:640px){ .hero__cta .btn{width:auto;} }
.hero__stats{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;border-top:1px solid rgba(255,255,255,.1);padding-top:22px;}
.hero__stat{padding-right:24px;margin-right:24px;border-right:1px solid rgba(255,255,255,.12);}
.hero__stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero__stat b{display:block;font-size:24px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3;}
.hero__stat b i{font-style:normal;font-size:14px;color:var(--accent);font-weight:600;margin-left:2px;}
.hero__stat span{font-size:12.5px;color:var(--dtext-2);}
.hero__figure{position:relative;}
.hero__figure img{border-radius:var(--r-lg);width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid rgba(255,255,255,.1);}
.hero__float{
  position:absolute;left:-10px;bottom:18px;background:rgba(255,255,255,.94);color:var(--primary);
  border-radius:12px;padding:10px 14px;font-size:13px;font-weight:600;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:8px;
}
.hero__float i{width:8px;height:8px;border-radius:50%;background:var(--success);display:block;}
@media (max-width:639px){ .hero__float{left:12px;bottom:12px;} }

/* 图片占位 */
.img-holder{position:relative;background:
  repeating-linear-gradient(45deg,var(--primary-08) 0 6px,transparent 6px 12px),var(--primary-08);
  overflow:hidden;}
.img-holder.is-empty::after{
  content:"图片加载中";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--primary);font-weight:600;
}

/* ========== 卖点区 ========== */
.point-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){ .point-grid{grid-template-columns:6fr 6fr;gap:24px;} }
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:all var(--t);position:relative;overflow:hidden;
}
.point-card:hover{transform:translateY(-2px);border-color:var(--primary-22);box-shadow:var(--sh-2);}
.point-card__num{font-size:56px;font-weight:800;color:var(--primary-08);line-height:1;letter-spacing:-2px;font-variant-numeric:tabular-nums;}
.point-card h3{margin:14px 0 10px;}
.point-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.point-card__media{margin-top:18px;border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.point-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--t);}
.point-card:hover .point-card__media img{transform:scale(1.03);}
.point-stack{display:grid;gap:20px;}
@media (min-width:1024px){ .point-stack{gap:24px;} }
.point-row{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;transition:all var(--t);
}
.point-row:hover{transform:translateY(-2px);border-color:var(--primary-22);box-shadow:var(--sh-2);}
.point-row__num{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--primary-08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.point-row h3{font-size:18px;margin-bottom:6px;}
.point-row p{font-size:14.5px;color:var(--text-2);}
.point-row .link-arrow{margin-top:8px;}

/* ========== 流程步骤 ========== */
.steps{position:relative;display:grid;gap:40px;}
@media (min-width:1024px){ .steps{gap:64px;} }
.step{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;position:relative;}
@media (min-width:1024px){ .step{grid-template-columns:6fr 6fr;gap:48px;} }
.step:nth-child(even) .step__figure{order:2;}
@media (max-width:1023px){ .step:nth-child(even) .step__figure{order:0;} }
.step__figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);}
.step__body{position:relative;padding-left:56px;}
.step__dot{
  position:absolute;left:0;top:2px;width:38px;height:38px;border-radius:50%;
  background:#fff;border:1px solid var(--primary-22);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step__body h3{margin-bottom:10px;}
.step__body p{font-size:15px;color:var(--text-2);}
.step__line{position:absolute;left:18px;top:48px;bottom:-40px;width:1px;border-left:1px dashed var(--line);}
.step:last-child .step__line{display:none;}

/* ========== 最新信息 ========== */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.post-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){ .post-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .post-grid{grid-template-columns:repeat(3,1fr);gap:24px;} }
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;transition:all var(--t);color:inherit;
}
.post-card:hover{transform:translateY(-2px);border-color:var(--primary-22);box-shadow:var(--sh-2);color:inherit;}
.post-card__media{position:relative;background:var(--primary-08);}
.post-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t);}
.post-card:hover .post-card__media img{transform:scale(1.03);}
.post-card__body{padding:20px;display:flex;flex-direction:column;flex:1;}
.post-card__body h3{font-size:17px;line-height:1.45;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);margin-top:16px;}
.empty-state{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:220px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);text-align:center;padding:24px;
}
.empty-state__icon{width:56px;height:56px;border-radius:50%;background:var(--primary-10);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;}
.empty-state p{font-size:14.5px;color:var(--text-2);}

/* ========== 社会认同 ========== */
.trust{background:rgba(11,79,69,.05);}
.trust-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){ .trust-grid{grid-template-columns:6fr 6fr;gap:24px;} }
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  display:flex;flex-direction:column;justify-content:center;height:100%;
}
.quote-card__mark{font-size:44px;line-height:1;color:var(--primary-22);font-weight:800;}
.quote-card blockquote{margin:12px 0 18px;font-size:17px;line-height:1.8;color:var(--text);}
.quote-card cite{font-style:normal;font-size:14px;color:var(--text-3);}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:all var(--t);}
.mini-card:hover{transform:translateY(-2px);border-color:var(--primary-22);box-shadow:var(--sh-2);}
.mini-card b{display:block;font-size:26px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3;}
.mini-card span{font-size:13px;color:var(--text-2);}
.partner-strip{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.partner-strip span{
  font-size:13.5px;font-weight:600;color:var(--text-3);border:1px solid var(--line);background:#fff;
  border-radius:999px;padding:8px 18px;filter:grayscale(60%);opacity:.75;transition:all var(--t);
}
.partner-strip span:hover{filter:none;opacity:1;color:var(--primary);border-color:var(--primary-22);}

/* ========== FAQ ========== */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:1024px){ .faq-wrap{grid-template-columns:repeat(2,1fr);gap:20px 24px;align-items:start;} }
.faq-col{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color var(--t);}
.faq-item.is-open{border-color:var(--primary-22);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:16px 18px;font-size:16px;font-weight:600;color:var(--text);
  text-align:left;cursor:pointer;position:relative;
}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--accent);border-radius:0 3px 3px 0;}
.faq-q i{
  flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform var(--t);
}
.faq-q i::before,.faq-q i::after{content:"";position:absolute;background:var(--primary);border-radius:2px;}
.faq-q i::before{left:0;top:9px;width:20px;height:2px;}
.faq-q i::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms cubic-bezier(.2,.7,.3,1);}
.faq-a__inner{padding:0 18px 16px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ========== 底部转化区 ========== */
.cta-band{background:var(--dark);color:var(--dtext);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;width:760px;height:760px;border:1px solid rgba(198,242,78,.14);
  border-radius:50%;left:-320px;bottom:-420px;
}
.cta-band__grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;padding:56px 0;}
@media (min-width:1024px){ .cta-band__grid{grid-template-columns:7fr 5fr;gap:56px;padding:76px 0;} }
.cta-band h2{color:#fff;}
.cta-band p{margin-top:12px;font-size:15.5px;color:var(--dtext-2);max-width:560px;}
.cta-band__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta-band__btns .btn{width:100%;}
@media (min-width:640px){ .cta-band__btns .btn{width:auto;} }
.qr-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);
  padding:22px;display:flex;gap:18px;align-items:center;
}
.qr-card__box{width:92px;height:92px;flex:0 0 auto;border-radius:12px;background:
  repeating-linear-gradient(45deg,rgba(255,255,255,.12) 0 5px,transparent 5px 10px),rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--dtext-2);text-align:center;padding:6px;}
.qr-card h4{color:#fff;font-size:16px;margin-bottom:6px;}
.qr-card p{font-size:13.5px;color:var(--dtext-2);margin:0;}

/* ========== 页脚 ========== */
.site-footer{background:var(--dark);color:var(--dtext-2);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:4fr 3fr 3fr 2fr;gap:40px;} }
.footer-brand .brand__name{color:#fff;font-size:18px;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.9;max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-col a,.footer-col li{display:block;font-size:14px;line-height:1.9;color:var(--dtext-2);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(169,189,183,.85);
}

/* ========== 移动固定转化条 ========== */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,245,240,.96);border-top:1px solid var(--line);box-shadow:var(--sh-2);
}
.mobile-bar p{flex:1;font-size:14px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0;}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;}
@media (min-width:1024px){ .mobile-bar{display:none;} }
@media (max-width:1023px){ body{padding-bottom:64px;} }

/* ========== 响应式导航 ========== */
@media (max-width:1023px){
  .nav__menu{display:none;}
  .command-search{display:none;}
  .nav__cta{display:none;}
  .nav__burger{display:inline-flex;}
  .nav{height:56px;gap:16px;}
  :root{--nav-h:56px;}
}
@media (min-width:1024px) and (max-width:1199px){
  .command-search{width:180px;}
  .nav__menu{gap:20px;}
}

/* 淡入动效 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity 520ms ease,transform 520ms cubic-bezier(.2,.7,.3,1);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}

/* roulang page: article */
:root{
  --primary:#0B4F45;
  --primary-hover:#0A6154;
  --accent:#FF5A1F;
  --accent-hover:#E64A12;
  --lime:#C6F24E;
  --dark:#08211D;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#08110F;
  --text-2:#4A5A56;
  --text-3:#7C8A86;
  --line:#E4E1D8;
  --line-soft:#EFEDE6;
  --soft-green:#F1F7F4;
  --r-card:14px;
  --r-btn:10px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(8,17,15,.05);
  --sh-2:0 16px 32px -14px rgba(8,17,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --pad-m:56px;
  --pad-d:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--primary-hover)}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text)}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .site-container{max-width:1240px;padding:0 28px} }
@media (min-width:1200px){ .site-container{max-width:1320px} }

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(8px);
  transition:box-shadow .2s var(--ease),background .2s var(--ease)
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:rgba(247,245,240,.98)}
.nav{display:flex;align-items:center;gap:24px;height:56px}
@media (min-width:1024px){ .nav{height:64px;gap:30px} }
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand__mark{
  width:28px;height:28px;border-radius:9px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;letter-spacing:0
}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap}
.brand__sub{font-size:10px;letter-spacing:.14em;color:var(--text-3);font-weight:600}
.nav__menu{display:none;align-items:center;gap:26px;margin-left:8px}
@media (min-width:1024px){ .nav__menu{display:flex} }
.nav__link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);padding:6px 0;white-space:nowrap
}
.nav__link::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;background:var(--accent);
  transform:translateX(-50%);transition:width .2s var(--ease)
}
.nav__link:hover{color:var(--text)}
.nav__link:hover::after{width:100%}
.nav__link.is-active{color:var(--text);font-weight:600}
.nav__link.is-active::after{width:100%}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:none;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--text-3);
  font-size:13px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)
}
@media (min-width:1024px){ .command-search{display:flex;width:230px} }
.command-search:hover{border-color:rgba(11,79,69,.35);box-shadow:var(--sh-1)}
.command-search span:first-of-type{flex:1;text-align:left}
.kbd{
  font-size:11px;font-weight:600;color:var(--text-2);background:var(--bg);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;line-height:1.4
}
.nav__cta{display:none}
@media (min-width:1024px){ .nav__cta{display:inline-flex} }
.nav__burger{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;position:relative
}
.nav__burger span,.nav__burger span::before,.nav__burger span::after{
  content:"";display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s var(--ease)
}
.nav__burger span::before{transform:translateY(-6px)}
.nav__burger span::after{transform:translateY(4px)}
@media (min-width:1024px){ .nav__burger{display:none} }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease)
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -10px rgba(255,90,31,.9)}
.btn--primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(255,90,31,.85)}
.btn--primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn--ghost{background:#fff;color:var(--primary);border-color:rgba(11,79,69,.28)}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn--darkghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn--darkghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5)}
.btn--lg{height:50px;padding:0 26px;font-size:16px}
.textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.textlink i{transition:transform .18s var(--ease)}
.textlink:hover{color:var(--primary-hover);text-decoration:underline}
.textlink:hover i{transform:translateX(2px)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:25px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(11,79,69,.1);color:var(--primary)
}
.badge--lime{background:var(--lime);color:#0C2A22}
.badge--light{background:rgba(255,255,255,.14);color:#fff}

/* ---------- drawer / search overlay ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(8,33,29,.45);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease)
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:min(360px,88vw);background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:14px;transform:translateX(100%);
  transition:transform .26s var(--ease);overflow-y:auto
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between}
.drawer__close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;font-size:16px;color:var(--text-2)}
.drawer__search{display:flex;align-items:center;gap:8px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 12px;color:var(--text-3);font-size:14px;background:var(--bg)}
.drawer__nav{display:flex;flex-direction:column;margin-top:6px}
.drawer__nav a{
  height:48px;display:flex;align-items:center;justify-content:space-between;
  font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line-soft)
}
.drawer__nav a.is-active{color:var(--primary)}
.drawer .btn{width:100%;margin-top:auto}
.search-overlay{
  position:fixed;inset:0;z-index:95;background:rgba(8,33,29,.5);
  display:flex;align-items:flex-start;justify-content:center;padding:80px 20px;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease)
}
.search-overlay.is-open{opacity:1;visibility:visible}
.search-card{
  width:min(680px,100%);background:#fff;border-radius:var(--r-block);padding:20px;
  box-shadow:var(--sh-2);transform:translateY(-8px);transition:transform .22s var(--ease)
}
.search-overlay.is-open .search-card{transform:translateY(0)}
.search-card__row{display:flex;align-items:center;gap:10px;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px}
.search-card__row input{flex:1;border:0;outline:none;font-size:15px;background:transparent;color:var(--text)}
.search-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.search-tags span{font-size:13px;font-weight:600;color:var(--text-2);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 12px;cursor:pointer;transition:.18s var(--ease)}
.search-tags span:hover{color:var(--primary);border-color:rgba(11,79,69,.35);background:var(--soft-green)}
.search-list{margin-top:18px;border-top:1px solid var(--line-soft)}
.search-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line-soft);font-size:14.5px;color:var(--text-2)}
.search-list a strong{color:var(--text);font-weight:600}
.search-list a:hover{color:var(--primary)}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);padding:14px 0;overflow:hidden}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C9C5BA}
.crumb .now{color:var(--primary);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60%}

/* ---------- article head ---------- */
.article-head{padding:36px 0 8px}
@media (min-width:1024px){ .article-head{padding:52px 0 12px} }
.article-head h1{
  font-size:clamp(26px,3.4vw,38px);line-height:1.32;font-weight:700;letter-spacing:-.3px;max-width:900px
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;font-size:14px;color:var(--text-2)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .divider{width:1px;height:14px;background:var(--line)}
.article-cover{margin-top:24px;border-radius:16px;overflow:hidden;box-shadow:var(--sh-1)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- layout ---------- */
.article-wrap{padding:32px 0 var(--pad-m)}
@media (min-width:1024px){ .article-wrap{padding:44px 0 var(--pad-d)} }
.article-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){ .article-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px} }
.article-main{min-width:0}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-block);
  padding:26px 22px;box-shadow:var(--sh-1)
}
@media (min-width:1024px){ .article-body{padding:40px 40px 44px} }
.article-body>*:first-child{margin-top:0}
.article-body p{font-size:17px;line-height:1.85;color:#132420;margin-bottom:18px}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);line-height:1.35;margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--primary)
}
.article-body h3{font-size:19px;line-height:1.45;margin:28px 0 12px}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:4px}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;font-size:16.5px;line-height:1.8;color:#1B2C28;margin-bottom:9px}
.article-body ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;background:var(--accent);border-radius:2px}
.article-body ol{counter-reset:artnum}
.article-body ol li{counter-increment:artnum}
.article-body ol li::before{
  content:counter(artnum);position:absolute;left:0;top:6px;font-size:13px;font-weight:700;color:var(--accent)
}
.article-body blockquote{
  background:var(--soft-green);border-left:4px solid var(--accent);border-radius:10px;
  padding:16px 20px;margin:22px 0;color:#14332C
}
.article-body blockquote p{font-size:16px;margin:0;color:#14332C}
.article-body img{border-radius:12px;margin:22px auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{text-decoration:underline}
.article-body a:hover{font-weight:600}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:22px 0;font-size:15px}
.article-body thead th{background:rgba(11,79,69,.08);color:var(--primary);font-weight:700;text-align:left;padding:12px 14px}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--line);color:#22332F}
.article-body tbody tr:nth-child(even){background:#FAF9F5}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body strong{color:#0B1F1B}

/* empty state */
.empty-state{
  background:rgba(11,79,69,.12);border-radius:var(--r-card);min-height:210px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:28px
}
.empty-state i{font-size:26px;color:var(--primary)}
.empty-state p{font-size:16px;color:var(--text-2);margin:0}

/* ---------- tags / pager ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px}
.tag-row .label{font-size:13.5px;color:var(--text-3);font-weight:600}
.pager{display:grid;grid-template-columns:1fr;gap:16px;margin-top:24px}
@media (min-width:640px){ .pager{grid-template-columns:1fr 1fr} }
.pager a{
  display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 20px;transition:.2s var(--ease)
}
.pager a:hover{border-color:rgba(11,79,69,.22);transform:translateY(-2px);box-shadow:var(--sh-2)}
.pager .dir{font-size:13px;font-weight:600;color:var(--text-3);display:flex;align-items:center;gap:6px}
.pager .ttl{font-size:16px;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pager .next{align-items:flex-end;text-align:right}

/* ---------- related ---------- */
.related{margin-top:56px;border-top:1px solid var(--line);padding-top:44px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:clamp(21px,2.4vw,26px)}
.section-head p{font-size:14px;color:var(--text-2);margin-top:8px}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,1fr);gap:24px} }
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;transition:.22s var(--ease);height:100%
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(11,79,69,.22);box-shadow:var(--sh-2)}
.post-card__img{aspect-ratio:16/10;overflow:hidden;background:rgba(11,79,69,.08)}
.post-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card:hover .post-card__img img{transform:scale(1.03)}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__body p{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);padding-top:8px}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){ .sidebar{position:sticky;top:92px;align-self:start} }
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-card h4{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);padding:7px 10px;
  border-left:3px solid transparent;border-radius:6px;transition:.18s var(--ease)
}
.toc-list a:hover{background:var(--soft-green);color:var(--primary)}
.toc-list a.is-current{border-left-color:var(--accent);color:var(--primary);font-weight:600;background:var(--soft-green)}
.toc-list a.sub{padding-left:24px;font-size:13.5px}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;
  color:var(--text-2);padding:10px 4px;border-bottom:1px solid var(--line-soft)
}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--primary)}
.side-cta{background:var(--soft-green);border-color:rgba(11,79,69,.14)}
.side-cta p{font-size:14px;color:var(--text-2);margin:8px 0 14px}
.side-cta .btn{width:100%}

/* ---------- bottom cta ---------- */
.bottom-cta{padding:0 0 var(--pad-m)}
@media (min-width:1024px){ .bottom-cta{padding:0 0 var(--pad-d)} }
.cta-block{
  background:var(--dark);border-radius:var(--r-block);padding:34px 24px;color:#fff;
  border:1px solid rgba(255,255,255,.08);position:relative;overflow:hidden
}
@media (min-width:1024px){ .cta-block{padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px} }
.cta-block::after{
  content:"";position:absolute;right:-80px;top:-60px;width:260px;height:260px;border-radius:50%;
  border:1.5px solid rgba(198,242,78,.28);pointer-events:none
}
.cta-block h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.3;max-width:640px}
.cta-block p{color:#A9BDB7;font-size:16px;line-height:1.85;margin-top:12px;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px}
@media (min-width:640px){ .cta-actions{flex-direction:row;gap:14px} }
@media (min-width:1024px){ .cta-actions{margin-top:0;flex:0 0 auto} }

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#EAF2EF;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:28px;padding:44px 0 26px
}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:60px 0 30px} }
.footer-brand .brand__name{color:#fff;font-size:18px}
.footer-brand p{font-size:14px;line-height:1.9;color:#A9BDB7;margin-top:12px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:12px}
.footer-col a,.footer-col li{display:block;font-size:14px;line-height:1.9;color:#A9BDB7}
.footer-col a:hover{color:#fff}
.footer-col ul li{padding:0}
.footer-bottom{
  display:flex;flex-direction:column;gap:8px;padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8FA5A0
}
@media (min-width:640px){ .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center} }

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,245,240,.97);border-top:1px solid var(--line);box-shadow:var(--sh-2)
}
.mobile-bar span{flex:1;font-size:14px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mobile-bar .btn{height:40px;padding:0 16px;font-size:14px;flex:0 0 auto}
@media (min-width:1024px){ .mobile-bar{display:none} }
@media (max-width:1023px){ body{padding-bottom:76px} }

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --primary:#0B4F45;
  --primary-hover:#0A6154;
  --primary-soft:rgba(11,79,69,.08);
  --primary-soft-2:rgba(11,79,69,.14);
  --accent:#FF5A1F;
  --accent-hover:#E64A12;
  --lime:#C6F24E;
  --dark:#08211D;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#08110F;
  --text-2:#4A5A56;
  --text-3:#7C8A86;
  --line:#E4E1D8;
  --line-strong:#D8D4C8;
  --on-dark:#EAF2EF;
  --on-dark-2:#A9BDB7;
  --success:#1F8A5B;
  --warn:#C98A16;
  --danger:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-block:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,17,15,.05);
  --sh-2:0 16px 32px -14px rgba(8,17,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:64px;
}
/* ===== 基础 ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--primary-hover)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
figure{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px;color:var(--text)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.site-container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.site-container{padding:0 28px}}

/* ===== 命令栏导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px -20px rgba(8,17,15,.5)}
.nav{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:28px;height:28px;border-radius:9px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  box-shadow:0 6px 14px -8px rgba(11,79,69,.9);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.3px}
.brand__sub{font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--text-3)}
.nav__menu{display:none;align-items:center;gap:26px;margin-left:10px}
.nav__link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;transition:left .2s var(--ease),right .2s var(--ease);
}
.nav__link:hover{color:var(--text)}
.nav__link:hover::after{left:0;right:0}
.nav__link.is-active{color:var(--text);font-weight:700}
.nav__link.is-active::after{left:0;right:0}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:none;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  color:var(--text-3);font-size:13px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.command-search:hover{border-color:var(--line-strong);box-shadow:var(--sh-1);color:var(--text-2)}
.command-search .kbd{
  font-size:11px;font-weight:600;color:var(--text-3);background:#FAF9F5;
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;white-space:nowrap;
}
.nav__burger{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;display:flex;align-items:center;justify-content:center;
}
.nav__burger span{position:relative;display:block;width:16px;height:2px;background:var(--text);border-radius:2px}
.nav__burger span::before,.nav__burger span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text);border-radius:2px;
}
.nav__burger span::before{top:-5px}
.nav__burger span::after{top:5px}
@media (min-width:1024px){
  .nav__menu{display:flex}
  .command-search{display:flex}
  .nav__burger{display:none}
}
@media (max-width:639px){
  :root{--header-h:56px}
  .brand__sub{display:none}
  .brand__name{font-size:15px}
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,90,31,.9)}
.btn--primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(255,90,31,.95)}
.btn--primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn--outline{background:#fff;color:var(--primary);border-color:var(--primary-soft-2)}
.btn--outline:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn--outline:active{transform:translateY(0)}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn--light:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}
.btn--lg{height:50px;padding:0 26px;font-size:16px}
.btn__arrow{transition:transform .18s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(3px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-arrow svg{transition:transform .18s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ===== 抽屉与搜索 ===== */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:90;
  background:#fff;border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:18px 20px calc(20px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer__close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;font-size:18px;color:var(--text-2)}
.drawer__search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-btn);color:var(--text-3);font-size:14px;background:#FAF9F5;margin-bottom:14px;
}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:16px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer__link.is-active{color:var(--primary)}
.drawer__link.is-active::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.drawer__cta{margin-top:auto;padding-top:20px}
.drawer__cta .btn{width:100%}
.mask{
  position:fixed;inset:0;background:rgba(8,17,15,.5);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.mask.is-open{opacity:1;visibility:visible}
.search-modal{
  position:fixed;inset:0;z-index:100;display:flex;align-items:flex-start;justify-content:center;
  padding:80px 16px 24px;background:rgba(8,17,15,.55);opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.search-modal.is-open{opacity:1;visibility:visible}
.search-card{
  width:100%;max-width:600px;background:#fff;border-radius:16px;box-shadow:0 30px 60px -30px rgba(8,17,15,.55);
  padding:20px;transform:translateY(-8px);transition:transform .22s var(--ease);
}
.search-modal.is-open .search-card{transform:translateY(0)}
.search-card__row{display:flex;align-items:center;gap:10px;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;color:var(--text-3)}
.search-card__row input{flex:1;border:0;outline:none;font-size:15px;color:var(--text);background:transparent}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 6px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;
}
.search-card__label{font-size:12px;font-weight:600;color:var(--text-3);margin-top:14px}
.search-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 4px;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);
}
.search-item:last-child{border-bottom:0}

/* ===== 面包屑与横幅 ===== */
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);padding:20px 0 14px;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:#C3BFB3}
.breadcrumb .current{color:var(--primary);font-weight:600}
.breadcrumb .short{display:none}
@media (max-width:639px){.breadcrumb .full{display:none}.breadcrumb .short{display:inline}}
.page-banner{
  position:relative;border-radius:var(--r-block);overflow:hidden;
  background-color:var(--dark);
  background-image:linear-gradient(102deg,rgba(8,33,29,.94) 12%,rgba(8,33,29,.72) 58%,rgba(8,33,29,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:30px 24px;min-height:210px;display:flex;align-items:flex-end;
  border:1px solid rgba(255,255,255,.08);
}
.page-banner::after{
  content:"";position:absolute;right:-120px;top:-140px;width:340px;height:340px;border-radius:50%;
  border:2px solid rgba(198,242,78,.22);pointer-events:none;
}
.page-banner__inner{position:relative;z-index:1;max-width:760px}
.page-banner .crumbs{font-size:13px;color:var(--on-dark-2);margin-bottom:12px}
.page-banner .crumbs a{color:var(--on-dark-2)}
.page-banner .crumbs a:hover{color:#fff}
.page-banner h1{
  font-size:clamp(26px,4vw,40px);line-height:1.2;font-weight:800;letter-spacing:-.6px;color:#fff;
}
.page-banner p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--on-dark-2);max-width:620px}
@media (min-width:1024px){.page-banner{padding:36px 40px;min-height:240px}}

/* ===== 主体分栏 ===== */
.layout{padding:36px 0 8px}
@media (min-width:1024px){.layout{padding:56px 0 8px}}
.anchor-nav{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);margin-bottom:24px;
}
@media (min-width:1024px){
  .anchor-nav{position:sticky;top:calc(var(--header-h) + 24px);margin-bottom:0}
}
.anchor-nav__title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:10px}
.anchor-nav__link{
  display:block;position:relative;padding:9px 12px 9px 14px;border-radius:8px;
  font-size:14px;color:var(--text-2);font-weight:500;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.anchor-nav__link::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
  background:transparent;transition:background .18s var(--ease);
}
.anchor-nav__link:hover{background:#FAF9F5;color:var(--text)}
.anchor-nav__link.is-current{background:var(--primary-soft);color:var(--primary);font-weight:700}
.anchor-nav__link.is-current::before{background:var(--accent)}

.content-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);margin-bottom:20px;
}
@media (min-width:768px){.content-block{padding:30px}}
.content-block h2{
  font-size:clamp(20px,2.4vw,26px);line-height:1.3;letter-spacing:-.3px;
  padding-left:14px;position:relative;margin-bottom:14px;
}
.content-block h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--primary);
}
.content-block h3{font-size:17px;margin-bottom:8px}
.lead{font-size:16px;line-height:1.85;color:var(--text-2)}
.muted{font-size:14px;color:var(--text-3)}

/* 要点列表 */
.check-list{margin-top:16px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--text-2)}
.check-list li strong{color:var(--text);font-weight:600}
.check-list .ico{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;border:1.5px solid var(--primary-soft-2);
  display:flex;align-items:center;justify-content:center;margin-top:5px;color:var(--primary);
}
.check-list .ico svg{width:11px;height:11px}
.dark-list .check-list li{color:var(--on-dark-2)}
.dark-list .check-list li strong{color:#fff}
.dark-list .check-list .ico{border-color:rgba(255,255,255,.28);color:var(--lime)}

/* 步骤 */
.steps{margin-top:20px;display:grid;gap:16px}
.step{display:flex;gap:14px;align-items:flex-start}
.step__no{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--primary-soft);
  color:var(--primary);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step__body h3{font-size:16px;margin-bottom:4px}
.step__body p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.step-line{position:relative;padding-left:0}
@media (min-width:768px){
  .step-line::before{
    content:"";position:absolute;left:17px;top:38px;bottom:10px;width:2px;
    background:linear-gradient(180deg,var(--primary-soft-2),rgba(11,79,69,.04));
  }
}

/* 小卡网格 */
.mini-grid{display:grid;gap:14px;grid-template-columns:1fr;margin-top:18px}
@media (min-width:640px){.mini-grid{grid-template-columns:repeat(2,1fr)}}
.mini-card{
  border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#FDFCF9;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.mini-card:hover{border-color:var(--primary-soft-2);box-shadow:var(--sh-2);transform:translateY(-2px)}
.mini-card h3{font-size:15.5px;margin-bottom:6px}
.mini-card p{font-size:14px;color:var(--text-2);line-height:1.75}

/* 问题对照行 */
.issue-list{margin-top:18px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.issue-row{
  display:grid;gap:4px;padding:14px 16px;background:#fff;
  border-bottom:1px solid var(--line);grid-template-columns:1fr;
}
.issue-row:last-child{border-bottom:0}
.issue-row:nth-child(even){background:#FAF9F5}
.issue-row dt{font-size:15px;font-weight:600;color:var(--text)}
.issue-row dd{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.75}
@media (min-width:768px){
  .issue-row{grid-template-columns:230px 1fr;gap:18px;align-items:baseline}
  .issue-head{display:grid;grid-template-columns:230px 1fr;gap:18px;padding:10px 16px;background:var(--primary-soft);font-size:13px;font-weight:700;color:var(--primary)}
}

/* 配图 */
.figure{margin-top:20px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#F1EFE9}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease)}
.figure:hover img{transform:scale(1.02)}
.figure figcaption{padding:10px 14px;font-size:13px;color:var(--text-3);background:#fff;border-top:1px solid var(--line)}

/* 提示条 */
.notice{
  display:flex;gap:12px;margin-top:20px;padding:16px 18px;border-radius:12px;
  background:var(--primary-soft);border-left:3px solid var(--accent);
}
.notice p{font-size:14.5px;color:var(--primary);line-height:1.8;margin:0}

/* FAQ */
.faq{margin-top:18px;display:grid;gap:10px}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.faq__item:hover{border-color:var(--line-strong)}
.faq__item.is-open{border-color:var(--primary-soft-2);box-shadow:var(--sh-1)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:15px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq__icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:15px;line-height:1;
  transition:transform .22s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#fff}
.faq__a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq__a-inner{padding:0 18px 16px;font-size:15px;line-height:1.8;color:var(--text-2)}
.faq__item.is-open .faq__a{max-height:340px}
.faq__item.is-open .faq__q{position:relative}
.faq__item.is-open .faq__q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--accent);
}

/* CTA 区 */
.cta-band{
  position:relative;margin-top:36px;border-radius:var(--r-block);overflow:hidden;
  background:linear-gradient(115deg,#08211D 0%,#0B4F45 100%);
  padding:34px 22px;border:1px solid rgba(255,255,255,.08);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-140px;width:300px;height:300px;border-radius:50%;
  border:2px solid rgba(198,242,78,.18);
}
.cta-band h2{font-size:clamp(21px,2.8vw,30px);color:#fff;line-height:1.3;position:relative;z-index:1}
.cta-band p{margin-top:12px;font-size:15.5px;color:var(--on-dark-2);max-width:640px;position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;position:relative;z-index:1}
.cta-actions .btn{width:100%}
@media (min-width:640px){.cta-actions .btn{width:auto}}
@media (min-width:1024px){.cta-band{padding:48px 44px}}

/* 页脚 */
.site-footer{
  margin:64px auto 0;max-width:1240px;background:var(--dark);color:var(--on-dark-2);
  border-radius:var(--r-block);padding:44px 0 20px;
}
@media (max-width:1279px){.site-footer{margin-left:20px;margin-right:20px}}
@media (max-width:639px){.site-footer{margin-left:0;margin-right:0;border-radius:0;padding-top:36px}}
.footer-grid{display:grid;gap:26px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}}
.footer-brand .brand__name{display:block;font-size:17px;font-weight:700;color:#fff;margin-bottom:10px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:12px}
.footer-col a{display:block;font-size:14px;line-height:1.9;color:var(--on-dark-2)}
.footer-col a:hover{color:#fff}
.footer-col ul li{font-size:14px;line-height:1.9;color:var(--on-dark-2)}
.footer-bottom{
  margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:13px;color:#7F918C;
}

/* 移动端底部转化条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,245,240,.97);border-top:1px solid var(--line);box-shadow:0 -10px 26px -18px rgba(8,17,15,.5);
}
.mobile-bar__text{font-size:14px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mobile-bar .btn{flex:0 0 auto;height:40px;padding:0 16px;font-size:14px}
@media (min-width:1024px){.mobile-bar{display:none}}
@media (max-width:1023px){body{padding-bottom:72px}}

/* 进入视口动效 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --primary:#0B4F45;
  --primary-hover:#0A6154;
  --accent:#FF5A1F;
  --accent-hover:#E64A12;
  --lime:#C6F24E;
  --dark:#08211D;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#08110F;
  --text-2:#4A5A56;
  --text-3:#7C8A86;
  --line:#E4E1D8;
  --dark-text:#EAF2EF;
  --dark-text-2:#A9BDB7;
  --r-card:14px;
  --r-btn:10px;
  --r-block:20px;
  --shadow-1:0 1px 2px rgba(8,17,15,.05);
  --shadow-2:0 16px 32px -14px rgba(8,17,15,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
::selection{background:rgba(255,90,31,.22)}

.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.site-container{max-width:1320px;padding:0 28px}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px -14px rgba(8,17,15,.35)}
.nav{display:flex;align-items:center;gap:20px;height:56px}
@media(min-width:1024px){.nav{height:64px;gap:26px}}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:28px;height:28px;border-radius:9px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;line-height:1;flex:0 0 28px;
}
.brand__text{display:flex;flex-direction:column;line-height:1.12}
.brand__name{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.2px;white-space:nowrap}
.brand__sub{font-size:9px;font-weight:700;letter-spacing:1.6px;color:var(--text-3)}

.nav__menu{display:none}
@media(min-width:1024px){
  .nav__menu{display:flex;align-items:center;gap:28px;margin-left:14px}
}
.nav__link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;transition:color .18s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;transition:left .22s var(--ease),right .22s var(--ease);
}
.nav__link:hover{color:var(--text)}
.nav__link:hover::after{left:0;right:0}
.nav__link.is-active{color:var(--text);font-weight:700}
.nav__link.is-active::after{left:0;right:0}

.nav__right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:none;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  color:var(--text-3);font-size:13px;cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
@media(min-width:1024px){.command-search{display:inline-flex;min-width:212px}}
.command-search:hover{border-color:rgba(11,79,69,.35);color:var(--text-2);box-shadow:var(--shadow-1)}
.kbd{
  margin-left:auto;font-size:11px;font-weight:600;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;background:#FAF9F5;line-height:1.2;
}
.nav__cta{display:none}
@media(min-width:1024px){.nav__cta{display:inline-flex}}
.nav__burger{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.nav__burger span{position:relative;width:16px;height:2px;background:var(--text);border-radius:2px;display:block}
.nav__burger span::before,.nav__burger span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text);border-radius:2px;
}
.nav__burger span::before{top:-5px}
.nav__burger span::after{top:5px}
@media(min-width:1024px){.nav__burger{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn svg{flex:0 0 auto}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 10px 20px -12px rgba(255,90,31,.85)}
.btn--primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(255,90,31,.9)}
.btn--primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn--ghost{background:#fff;color:var(--primary);border-color:rgba(11,79,69,.32)}
.btn--ghost:hover{background:rgba(11,79,69,.06);color:var(--primary);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(0)}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn--light:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}
.btn--lg{height:52px;padding:0 28px;font-size:16px}
.btn--block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(8,17,15,.5);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:var(--bg);padding:20px 20px calc(24px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:14px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s var(--ease);
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__close{
  width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:18px;line-height:1;cursor:pointer;
}
.drawer__close:hover{color:var(--text);border-color:rgba(11,79,69,.3)}
.drawer__nav{display:flex;flex-direction:column;margin-top:6px}
.drawer__nav a{
  font-size:16px;font-weight:600;color:var(--text);padding:14px 4px;min-height:48px;
  border-bottom:1px solid var(--line);display:flex;align-items:center;
}
.drawer__nav a.is-active{color:var(--primary)}
.drawer__nav a:hover{color:var(--primary)}

/* ---------- search overlay ---------- */
.search-overlay{
  position:fixed;inset:0;z-index:100;background:rgba(8,17,15,.55);
  display:flex;justify-content:center;padding:96px 20px 20px;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.search-overlay.is-open{opacity:1;visibility:visible}
.search-panel{
  width:min(680px,100%);max-height:72vh;overflow:auto;background:#fff;
  border-radius:16px;box-shadow:0 32px 64px -24px rgba(8,17,15,.5);padding:18px;
}
.search-panel__row{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 12px;height:46px}
.search-panel__row svg{color:var(--text-3);flex:0 0 auto}
.search-panel__row input{
  border:0;outline:none;flex:1;height:44px;font-size:15px;font-family:inherit;color:var(--text);background:transparent;
}
.search-panel__row input::placeholder{color:var(--text-3)}
.search-panel__close{
  border:0;background:#FAF9F5;border-radius:8px;color:var(--text-2);font-size:13px;
  padding:6px 10px;cursor:pointer;font-weight:600;
}
.search-panel__close:hover{background:rgba(11,79,69,.1);color:var(--primary)}
.search-panel__label{font-size:13px;font-weight:700;color:var(--text-3);margin:20px 4px 10px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(11,79,69,.08);color:var(--primary);font-size:13px;font-weight:600;
  transition:background .18s var(--ease);
}
.pill:hover{background:rgba(11,79,69,.16);color:var(--primary)}
.search-list{display:flex;flex-direction:column;margin-top:4px}
.search-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 12px;border-radius:10px;color:var(--text);font-size:15px;font-weight:500;
}
.search-list a:hover{background:rgba(11,79,69,.06);color:var(--primary)}
.search-list span{font-size:13px;color:var(--text-3);font-weight:400}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--text-3)}
.crumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.crumb__list li{display:flex;align-items:center;gap:6px}
.crumb__list li:not(:last-child)::after{content:"/";color:var(--line)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb__current{color:var(--primary);font-weight:600}

/* ---------- hero ---------- */
.page-hero{padding:26px 0 56px}
@media(min-width:1024px){.page-hero{padding:34px 0 80px}}
.page-hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--primary);
  background:rgba(11,79,69,.08);padding:6px 14px;border-radius:999px;
}
.page-hero__eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.page-hero h1{
  font-size:clamp(30px,5vw,50px);line-height:1.16;font-weight:800;letter-spacing:-.5px;
  margin:18px 0 14px;
}
.page-hero__sub{font-size:17px;color:var(--text-2);margin-bottom:16px;font-weight:500}
.page-hero__lead{font-size:16.5px;line-height:1.85;color:var(--text-2);max-width:640px}
.page-hero__media{
  margin-top:32px;border-radius:var(--r-block);overflow:hidden;position:relative;
  background:rgba(11,79,69,.08);box-shadow:var(--shadow-2);
}
.page-hero__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
@media(min-width:1024px){.page-hero__media{margin-top:0}}
.page-hero__media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.94);color:var(--primary);
  font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;
  box-shadow:var(--shadow-1);
}

.stat-row{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px 12px;
  margin-top:32px;padding-top:26px;border-top:1px solid var(--line);
}
@media(min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat__num{font-size:24px;font-weight:800;color:var(--primary);line-height:1.2;font-variant-numeric:tabular-nums}
.stat__num em{font-style:normal;font-size:14px;font-weight:700;margin-left:2px;color:var(--accent)}
.stat__label{font-size:13px;color:var(--text-3);margin-top:4px;line-height:1.6}

/* ---------- sections ---------- */
.section{padding:60px 0}
@media(min-width:1024px){.section{padding:100px 0}}
.section--tight{padding:44px 0}
@media(min-width:1024px){.section--tight{padding:64px 0}}
.section--tint{background:rgba(11,79,69,.05)}
.section__head{max-width:760px;margin-bottom:32px}
@media(min-width:1024px){.section__head{margin-bottom:44px}}
.section__head h2{font-size:clamp(23px,3vw,34px);line-height:1.25;font-weight:700;margin-bottom:12px}
.section__head p{font-size:16px;color:var(--text-2);line-height:1.8}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--primary);margin-bottom:14px;
}
.section__eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}

/* ---------- cards ---------- */
.card-cell{margin-bottom:24px}
.entry-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.entry-card:hover{transform:translateY(-2px);border-color:rgba(11,79,69,.22);box-shadow:var(--shadow-2)}
.entry-card__media{aspect-ratio:16/10;overflow:hidden;background:rgba(11,79,69,.08)}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.entry-card:hover .entry-card__media img{transform:scale(1.03)}
.entry-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.entry-card__badge{
  align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--primary);
  background:rgba(11,79,69,.1);padding:4px 12px;border-radius:999px;line-height:1.5;
}
.entry-card__title{font-size:20px;font-weight:600;line-height:1.4;margin:12px 0 8px}
.entry-card__desc{font-size:14.5px;line-height:1.75;color:var(--text-2);margin-bottom:14px}
.entry-card__points{margin-bottom:18px}
.entry-card__points li{
  position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:6px;
}
.entry-card__points li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);opacity:.85;
}
.entry-card__link{margin-top:auto}

/* ---------- notice bar ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:rgba(11,79,69,.07);border-left:3px solid var(--accent);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:18px 22px;
}
.notice__icon{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:rgba(11,79,69,.12);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.notice__title{font-size:15.5px;font-weight:700;color:var(--primary);margin-bottom:4px}
.notice p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- compare table ---------- */
.compare{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-1);
}
.compare__row{
  display:grid;grid-template-columns:1.05fr 1.45fr 1fr 1.55fr;
}
.compare__row+.compare__row{border-top:1px solid var(--line)}
.compare__row:nth-child(odd){background:#FAF9F5}
.compare__row--head{background:rgba(11,79,69,.08);border-top:0}
.compare__row--head .compare__cell{font-weight:700;color:var(--primary);font-size:13.5px;letter-spacing:.3px}
.compare__cell{padding:16px 20px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.compare__cell strong{display:block;color:var(--text);font-weight:600}
@media(max-width:767px){
  .compare__row{grid-template-columns:1fr}
  .compare__row--head{display:none}
  .compare__row+.compare__row{border-top:0}
  .compare__row{border-top:1px solid var(--line);padding:6px 0}
  .compare__cell{display:flex;gap:12px;padding:10px 18px}
  .compare__cell::before{
    content:attr(data-label);flex:0 0 78px;font-size:13px;font-weight:600;color:var(--text-3);
  }
  .compare__cell strong{display:inline}
}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;
  overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq__item.is-open{border-color:rgba(11,79,69,.24);box-shadow:var(--shadow-1)}
.faq__q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:16px 20px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq__q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--accent);opacity:0;transition:opacity .2s var(--ease);
}
.faq__item.is-open .faq__q::before{opacity:1}
.faq__q:hover{color:var(--primary)}
.faq__icon{position:relative;flex:0 0 20px;width:20px;height:20px}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .24s var(--ease);
}
.faq__icon::before{left:9px;top:4px;width:2px;height:12px}
.faq__icon::after{top:9px;left:4px;width:12px;height:2px}
.faq__item.is-open .faq__icon::before{transform:rotate(45deg)}
.faq__item.is-open .faq__icon::after{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq__a-inner{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- cta block ---------- */
.cta-block{
  position:relative;background:var(--dark);border-radius:var(--r-block);
  padding:40px 24px;overflow:hidden;
}
@media(min-width:1024px){.cta-block{padding:56px 48px}}
.cta-block::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
  border:1px solid rgba(255,255,255,.08);border-radius:50%;pointer-events:none;
}
.cta-block h2{color:var(--dark-text);font-size:clamp(22px,2.8vw,32px);line-height:1.3;margin-bottom:14px}
.cta-block p{color:var(--dark-text-2);font-size:16px;line-height:1.85;max-width:560px}
.cta-block__actions{display:flex;flex-direction:column;gap:12px;margin-top:26px}
@media(min-width:640px){.cta-block__actions{flex-direction:row}}
.cta-side{
  border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:22px;
  background:rgba(255,255,255,.04);
}
.cta-side__qr{
  width:112px;height:112px;border-radius:14px;margin-bottom:16px;
  background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.14) 0 6px,rgba(255,255,255,.05) 6px 12px);
  border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:var(--dark-text-2);font-size:12px;
}
.cta-side__list li{
  color:var(--dark-text-2);font-size:14px;line-height:1.9;position:relative;padding-left:16px;
}
.cta-side__list li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--lime);
}
.cta-side__list strong{color:var(--dark-text);font-weight:600}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text-2);padding:56px 0 0;margin-top:0}
@media(min-width:1024px){.site-footer{padding:72px 0 0}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .brand__name{color:#fff;font-size:19px;font-weight:800;display:block;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dark-text-2);max-width:320px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;color:var(--dark-text-2);font-size:14px;line-height:1.9;padding:2px 0;transition:color .18s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-col li{color:var(--dark-text-2);font-size:14px;line-height:1.9;position:relative;padding-left:14px}
.footer-col li::before{
  content:"";position:absolute;left:0;top:12px;width:5px;height:5px;border-radius:50%;background:rgba(198,242,78,.7);
}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--text-3);
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
@media(max-width:1023px){.site-footer{padding-bottom:92px}}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,245,240,.96);border-top:1px solid var(--line);
  box-shadow:0 -10px 26px -16px rgba(8,17,15,.4);
}
@media(max-width:1023px){.mobile-bar{display:flex}}
.mobile-bar__text{
  flex:1;font-size:14px;font-weight:600;color:var(--text);
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;flex:0 0 auto}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --primary:#0B4F45;
  --primary-hover:#0A6154;
  --primary-soft:rgba(11,79,69,.08);
  --primary-soft-2:rgba(11,79,69,.12);
  --accent:#FF5A1F;
  --accent-hover:#E64A12;
  --lime:#C6F24E;
  --dark:#08211D;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#08110F;
  --text-2:#4A5A56;
  --text-3:#7C8A86;
  --line:#E4E1D8;
  --on-dark:#EAF2EF;
  --on-dark-2:#A9BDB7;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-block:20px;
  --shadow-1:0 1px 2px rgba(8,17,15,.05);
  --shadow-2:0 16px 32px -14px rgba(8,17,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}

body,button,input{font-family:var(--font);}

.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){
  .grid-container{padding-left:28px;padding-right:28px;}
}

.site-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){
  .site-container{padding-left:28px;padding-right:28px;}
}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background-color 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn--ghost{background:#fff;color:var(--primary);border-color:rgba(11,79,69,.35);}
.btn--ghost:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);background:var(--primary-soft-2);}
.btn--onDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.3);}
.btn--onDark:hover{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.08);transform:translateY(-1px);}
.btn--lg{height:50px;padding:0 26px;font-size:16px;}

.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-more span{transition:transform 180ms var(--ease);}
.link-more:hover span{transform:translateX(3px);}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:var(--primary-soft);
  color:var(--primary);
  letter-spacing:.2px;
}
.badge--lime{background:var(--lime);color:#08211D;}
.badge--onDark{background:rgba(255,255,255,.12);color:#fff;}

/* ============ 顶部命令栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 200ms var(--ease),background-color 200ms var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(247,245,240,.98);}

.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px;}
@media (max-width:1023px){.nav{height:56px;}}

.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:0;
  flex-shrink:0;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--text);}
.brand__sub{font-size:10px;letter-spacing:.14em;color:var(--text-3);font-weight:600;}

.nav__menu{display:flex;align-items:center;gap:28px;}
@media (max-width:1023px){.nav__menu{display:none;}}

.nav__link{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color 180ms var(--ease);
}
.nav__link::after{
  content:"";
  position:absolute;
  left:50%;bottom:0;
  width:0;height:2px;
  background:var(--accent);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width 200ms var(--ease);
}
.nav__link:hover{color:var(--text);}
.nav__link:hover::after{width:100%;}
.nav__link.is-active{color:var(--primary);font-weight:600;}
.nav__link.is-active::after{width:100%;}
.nav__link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.nav__right{display:flex;align-items:center;gap:12px;}

.command-search{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 12px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-3);
  font-size:13.5px;
  cursor:pointer;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),color 180ms var(--ease);
}
.command-search:hover{border-color:rgba(11,79,69,.4);color:var(--text-2);box-shadow:var(--shadow-1);}
.command-search:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.command-search .kbd{
  display:inline-flex;align-items:center;height:22px;padding:0 6px;
  border-radius:6px;border:1px solid var(--line);background:var(--bg);
  font-size:11px;font-weight:600;color:var(--text-3);
}
@media (max-width:1023px){.command-search{display:none;}}

.nav__cta{height:40px;padding:0 18px;font-size:14px;}
@media (max-width:1023px){.nav__cta{display:none;}}

.nav__burger{
  display:none;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  position:relative;cursor:pointer;
}
.nav__burger span,
.nav__burger span::before,
.nav__burger span::after{
  position:absolute;left:50%;width:16px;height:2px;background:var(--text);border-radius:2px;
  transform:translateX(-50%);
  transition:transform 200ms var(--ease),opacity 200ms var(--ease);
}
.nav__burger span{top:19px;}
.nav__burger span::before{content:"";top:-5px;transform:translateX(-50%);}
.nav__burger span::after{content:"";top:5px;transform:translateX(-50%);}
@media (max-width:1023px){.nav__burger{display:block;}}
.nav__burger:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(8,17,15,.42);
  opacity:0;visibility:hidden;
  transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(84vw,340px);
  background:#fff;
  padding:20px;
  display:flex;flex-direction:column;gap:16px;
  transform:translateX(100%);
  transition:transform 260ms var(--ease);
  overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--text-2);cursor:pointer;
}
.drawer__close:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.drawer__search{
  height:44px;border-radius:var(--radius-btn);border:1px solid var(--line);
  background:var(--bg);display:flex;align-items:center;padding:0 12px;gap:8px;
  color:var(--text-3);font-size:14px;
}
.drawer__nav{display:flex;flex-direction:column;margin-top:4px;}
.drawer__nav a{
  font-size:16px;font-weight:600;color:var(--text-2);
  padding:14px 0;border-bottom:1px solid var(--line);
}
.drawer__nav a.is-active{color:var(--primary);}
.drawer__cta{margin-top:auto;}

/* 搜索面板 */
.searchpanel{
  position:fixed;inset:0;z-index:100;
  background:rgba(8,17,15,.45);
  display:flex;align-items:flex-start;justify-content:center;
  padding:80px 20px 20px;
  opacity:0;visibility:hidden;
  transition:opacity 200ms var(--ease),visibility 200ms var(--ease);
}
.searchpanel.is-open{opacity:1;visibility:visible;}
.searchpanel__card{
  width:100%;max-width:620px;background:#fff;border-radius:var(--radius-block);
  box-shadow:var(--shadow-2);padding:20px;
  transform:translateY(-8px);
  transition:transform 220ms var(--ease);
}
.searchpanel.is-open .searchpanel__card{transform:translateY(0);}
.searchpanel__input{
  width:100%;height:48px;border-radius:var(--radius-btn);
  border:1px solid var(--line);padding:0 14px;font-size:15px;color:var(--text);
  outline:none;transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.searchpanel__input:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(11,79,69,.16);}
.searchpanel__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.searchpanel__tags span{
  height:28px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:600;
}
.searchpanel__hint{margin-top:16px;font-size:13px;color:var(--text-3);}

/* ============ 页首横幅 ============ */
.page-hero{
  position:relative;
  background-color:var(--dark);
  background-image:linear-gradient(90deg,rgba(8,33,29,.94) 0%,rgba(8,33,29,.78) 55%,rgba(8,33,29,.55) 100%),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  padding:56px 0 60px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border:1.5px solid rgba(198,242,78,.28);
  border-radius:50%;
  pointer-events:none;
}
@media (min-width:1024px){.page-hero{padding:76px 0 84px;}}
.page-hero h1{
  font-size:clamp(30px,5vw,48px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.5px;
  color:#fff;
  margin-top:16px;
  max-width:16em;
}
.page-hero__lead{
  margin-top:14px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--on-dark-2);
  max-width:44em;
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

.crumbs{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--on-dark-2);
}
.crumbs a{color:var(--on-dark-2);transition:color 180ms var(--ease);}
.crumbs a:hover{color:#fff;}
.crumbs__current{color:var(--lime);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section--tint{background:rgba(11,79,69,.05);}
.section--tight{padding-top:40px;}
@media (min-width:1024px){.section--tight{padding-top:64px;}}

.section-head{max-width:760px;margin-bottom:32px;}
@media (min-width:1024px){.section-head{margin-bottom:48px;}}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(23px,3vw,34px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head__lead{
  margin-top:12px;
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:15px;top:8px;bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(11,79,69,.25) 100%);
}
@media (min-width:768px){
  .timeline::before{left:19px;}
}
.tl-item{
  position:relative;
  padding-left:48px;
  padding-bottom:36px;
}
@media (min-width:768px){.tl-item{padding-left:64px;padding-bottom:44px;}}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:8px;top:8px;
  width:16px;height:16px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--primary);
  box-shadow:0 0 0 4px rgba(11,79,69,.08);
}
@media (min-width:768px){
  .tl-item::before{left:12px;width:16px;height:16px;}
}
.tl-item__no{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--accent);
  margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.tl-item h3{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:8px;
}
.tl-item p{font-size:15.5px;line-height:1.85;color:var(--text-2);max-width:56em;}
.tl-card{
  margin-top:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:20px;
  display:grid;
  gap:16px;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(11,79,69,.22);}
@media (min-width:768px){
  .tl-card{grid-template-columns:1.4fr 1fr;align-items:center;padding:24px;}
}
.tl-card__img{
  border-radius:12px;overflow:hidden;
  background:var(--primary-soft);
  aspect-ratio:16/10;
}
.tl-card__img img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease);}
.tl-card:hover .tl-card__img img{transform:scale(1.03);}

.check-list{display:grid;gap:8px;margin-top:12px;}
.check-list li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:4px;top:10px;
  width:8px;height:8px;
  border:1.5px solid var(--primary);
  border-radius:2px;
  background:rgba(198,242,78,.35);
}

/* ============ KPI 数据条 ============ */
.kpi{
  margin-top:36px;
  display:grid;
  grid-template-columns:1fr;
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
@media (min-width:768px){.kpi{grid-template-columns:repeat(3,1fr);}}
.kpi__item{
  padding:22px 24px;
  border-bottom:1px solid var(--line);
}
@media (min-width:768px){
  .kpi__item{border-bottom:0;border-right:1px solid var(--line);}
  .kpi__item:last-child{border-right:0;}
}
.kpi__item:last-child{border-bottom:0;}
.kpi__num{
  font-size:26px;font-weight:700;line-height:1.2;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.kpi__label{margin-top:6px;font-size:13.5px;color:var(--text-3);}

/* ============ 对比块 ============ */
.compare{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:768px){.compare{grid-template-columns:repeat(2,1fr);gap:24px;}}
.compare__card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.compare__card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(11,79,69,.22);}
.compare__card--accent{border-top:3px solid var(--accent);}
.compare__card--primary{border-top:3px solid var(--primary);}
.compare__card h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.compare__card .compare__note{font-size:14px;color:var(--text-3);margin-bottom:14px;}
.compare__card ul{display:grid;gap:10px;}
.compare__card li{
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
  padding-left:20px;
  position:relative;
}
.compare__card li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:8px;height:1.5px;background:var(--accent);
}
.compare__card--primary li::before{background:var(--primary);}

.notice{
  margin-top:24px;
  background:rgba(11,79,69,.07);
  border-left:3px solid var(--accent);
  border-radius:10px;
  padding:16px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-wrap .accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq-wrap .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:10px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.faq-wrap .accordion-item:hover{border-color:rgba(11,79,69,.22);}
.faq-wrap .accordion-item.is-active{border-color:rgba(11,79,69,.35);box-shadow:var(--shadow-2);}
.faq-wrap .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--text);
  border:0;
  background:transparent;
  position:relative;
}
.faq-wrap .accordion-title::before{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--primary);
  transition:transform 200ms var(--ease);
  background:none!important;
  width:auto!important;height:auto!important;
  margin:0!important;padding:0!important;
  line-height:1;
}
.faq-wrap .accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-wrap .accordion-title:focus{outline:none;}
.faq-wrap .accordion-title:focus-visible{outline:2px solid var(--accent);outline-offset:-4px;}
.faq-wrap .accordion-title .faq-q{padding-right:28px;}
.faq-wrap .accordion-content{
  padding:0 20px 18px;
  border:0!important;
  background:transparent;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.faq-wrap .accordion-item.is-active{border-left:3px solid var(--accent);}

/* ============ CTA 区 ============ */
.cta{
  background:var(--dark);
  color:var(--on-dark);
  border-radius:var(--radius-block);
  padding:40px 24px;
  position:relative;
  overflow:hidden;
}
@media (min-width:1024px){
  .cta{padding:64px 56px;display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center;}
}
.cta::after{
  content:"";
  position:absolute;left:-80px;bottom:-140px;
  width:360px;height:360px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.08);
  pointer-events:none;
}
.cta h2{
  font-size:clamp(23px,3vw,32px);
  line-height:1.28;
  font-weight:700;
  color:#fff;
}
.cta p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--on-dark-2);}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta__panel{
  margin-top:32px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-card);
  padding:22px;
}
@media (min-width:1024px){.cta__panel{margin-top:0;}}
.cta__panel h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:12px;}
.cta__panel ul{display:grid;gap:10px;}
.cta__panel li{
  font-size:14px;line-height:1.7;color:var(--on-dark-2);
  padding-left:18px;position:relative;
}
.cta__panel li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:1.5px;background:var(--lime);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:var(--on-dark-2);
  margin-top:56px;
  padding:48px 0 24px;
}
@media (min-width:1024px){.site-footer{margin-top:96px;padding:64px 0 28px;}}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .brand__name{display:block;font-size:17px;font-weight:700;color:#fff;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--on-dark-2);max-width:32em;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;line-height:1.9;color:var(--on-dark-2);transition:color 180ms var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px;}
.footer-col ul{display:grid;gap:8px;}
.footer-col li{font-size:14px;line-height:1.7;color:var(--on-dark-2);}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 移动端固定转化条 ============ */
.mobile-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  height:62px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:rgba(247,245,240,.97);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 20px -14px rgba(8,17,15,.35);
}
.mobile-cta__text{
  font-size:14px;font-weight:600;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.mobile-cta .btn{height:40px;padding:0 18px;font-size:14px;flex-shrink:0;}
@media (min-width:1024px){.mobile-cta{display:none;}}
@media (max-width:1023px){body{padding-bottom:62px;}}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity 400ms var(--ease),transform 400ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{transition-duration:1ms!important;animation-duration:1ms!important;}
}