/* roulang page: index */
:root{
  --c-primary:#0E6B60; --c-primary-d:#0A4A42; --c-primary-l:#E6F3F0;
  --c-accent:#1AA88F; --c-promo:#F2702A; --c-promo-d:#D95C18; --c-promo-l:#FFF1E8;
  --c-time:#F2B01E;
  --t-main:#16201F; --t-sub:#4A5A57; --t-weak:#7C8C89;
  --line:#DDE6E3; --bg:#F4F7F5; --card:#FFFFFF; --dark:#0A2E2A;
  --r-card:14px; --r-img:16px; --r-btn:10px; --r-pill:999px;
  --sh-1:0 2px 6px rgba(10,46,42,.06); --sh-2:0 12px 32px rgba(10,46,42,.10);
  --sec:88px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;
  color:var(--t-main);background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--tight{padding:56px 0}
.section--light{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-primary);background:var(--c-primary-l);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}
.eyebrow--promo{color:var(--c-promo-d);background:var(--c-promo-l)}
h2.h-section{font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
.lead{margin-top:14px;color:var(--t-sub);font-size:16px}
.muted{color:var(--t-weak);font-size:14px}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;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 .16s ease-out, box-shadow .16s ease-out, background-color .16s ease-out, color .16s ease-out, border-color .16s ease-out;
}
.btn i{font-size:15px}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--promo{background:var(--c-promo);color:#fff;box-shadow:var(--sh-1)}
.btn--promo:hover{background:var(--c-promo-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--c-primary-d)}
.btn--light:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px)}
.btn--block{width:100%}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(10,46,42,.07)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{width:36px;height:36px;border-radius:11px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px}
.brand__name{font-size:18px;font-weight:700;color:var(--c-primary);letter-spacing:-.01em;white-space:nowrap}
.brand__name span{color:var(--t-main);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{position:relative;padding:10px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--t-sub);font-weight:500}
.nav-links a:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.nav-links a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-l)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-actions .link-plain{font-size:15px;color:var(--t-sub);font-weight:500}
.nav-actions .link-plain:hover{color:var(--c-primary)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--c-primary);font-size:18px;cursor:pointer}
.nav-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0 18px}
.nav-drawer.is-open{display:block}
.nav-drawer a{display:block;padding:13px 4px;font-size:16px;color:var(--t-main);border-bottom:1px dashed var(--line)}
.nav-drawer a.is-active{color:var(--c-primary);font-weight:600}
.nav-drawer .btn{margin-top:16px;width:100%}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F4F7F5 0%,#E6F3F0 100%);padding:72px 0 80px}
.hero__arc{position:absolute;right:-120px;top:-140px;width:620px;height:620px;border:1px solid rgba(14,107,96,.16);border-radius:50%;pointer-events:none}
.hero__grid{display:grid;gap:48px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2;font-weight:700;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--c-primary)}
.hero__sub{margin-top:18px;font-size:17px;color:var(--t-sub);max-width:560px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px}
.hero__points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--t-sub)}
.hero__points i{color:var(--c-accent)}
.hero__media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2)}
.hero__media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;background:rgba(14,107,96,.08)}
.hero__chip{position:absolute;left:18px;bottom:18px;z-index:3;background:rgba(255,255,255,.94);border-radius:12px;padding:12px 16px;font-size:13px;color:var(--t-sub);box-shadow:var(--sh-1)}
.hero__chip strong{display:block;font-size:20px;color:var(--c-primary)}
/* ---------- trust bar ---------- */
.trustbar{background:#fff;border-bottom:1px solid var(--line)}
.trustbar__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trustbar__item{padding:26px 20px;text-align:center;border-left:1px solid var(--line)}
.trustbar__item:first-child{border-left:0}
.trustbar__num{font-size:28px;font-weight:700;color:var(--c-primary);letter-spacing:-.02em}
.trustbar__label{margin-top:4px;font-size:13px;color:var(--t-weak)}
/* ---------- ladder ---------- */
.ladder{display:grid;gap:16px;align-items:end}
.ladder__step{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;transition:transform .16s ease-out,box-shadow .16s ease-out}
.ladder__step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.ladder__num{font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.12em}
.ladder__title{font-size:19px;font-weight:600}
.ladder__cond{font-size:13px;color:var(--c-promo-d);background:var(--c-promo-l);border-radius:var(--r-pill);padding:4px 12px;display:inline-block;width:fit-content}
.ladder__text{font-size:14px;color:var(--t-sub);flex:1}
/* ---------- plans ---------- */
.plans{display:grid;gap:20px}
.plan{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .16s ease-out,box-shadow .16s ease-out}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.plan__name{font-size:18px;font-weight:600}
.plan__desc{font-size:13px;color:var(--t-weak);margin-top:6px;min-height:40px}
.plan__price{margin-top:16px;font-size:38px;font-weight:700;color:var(--c-primary);line-height:1}
.plan__price small{font-size:14px;font-weight:500;color:var(--t-weak);margin-left:6px}
.plan__list{margin:22px 0;display:grid;gap:0}
.plan__list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:40px;color:var(--t-sub);border-bottom:1px dashed var(--line)}
.plan__list li:last-child{border-bottom:0}
.plan__list i{color:var(--c-accent);line-height:40px;font-size:13px}
.plan__list li.is-off{color:var(--t-weak)}
.plan__list li.is-off i{color:var(--t-weak)}
.plan__foot{margin-top:auto}
.plan--featured{border:2px solid var(--c-primary);box-shadow:var(--sh-2)}
.plan__badge{position:absolute;top:-14px;left:26px;background:var(--c-primary);color:#fff;font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill)}
/* ---------- topic entries ---------- */
.topic-grid{display:grid;gap:20px}
.topic-card{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary)}
.topic-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px}
.topic-card h3{font-size:19px;font-weight:600;margin-bottom:6px}
.topic-card p{font-size:14px;color:var(--t-sub)}
.topic-card .go{color:var(--c-primary);font-size:15px;font-weight:600;white-space:nowrap}
/* ---------- limited ---------- */
.limited{background:var(--dark);color:#D8E7E3;position:relative;overflow:hidden}
.limited__arc{position:absolute;left:-160px;bottom:-240px;width:620px;height:620px;border:1px solid rgba(255,255,255,.14);border-radius:50%;pointer-events:none}
.limited__grid{position:relative;z-index:2;display:grid;gap:36px;align-items:center}
.limited h2{color:#fff;font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700}
.limited p{margin-top:14px;color:rgba(255,255,255,.72);max-width:520px}
.tag-time{display:inline-flex;align-items:center;gap:8px;background:rgba(242,176,30,.16);color:var(--c-time);border:1px solid rgba(242,176,30,.4);border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:16px}
.countdown{display:flex;gap:12px;margin:24px 0 28px}
.cd-cell{min-width:78px;text-align:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:12px 10px}
.cd-num{font-size:30px;font-weight:700;color:#fff;line-height:1.1}
.cd-unit{font-size:12px;color:rgba(255,255,255,.62);margin-top:2px}
/* ---------- news ---------- */
.news-grid{display:grid;gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .16s ease-out,box-shadow .16s ease-out}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-card__cover{display:block;aspect-ratio:16/10;overflow:hidden}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.news-card:hover .news-card__cover img{transform:scale(1.04)}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card__title{font-size:18px;font-weight:600;line-height:1.45;color:var(--t-main);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__title:hover{color:var(--c-primary-d)}
.news-card__desc{font-size:14px;color:var(--t-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t-weak)}
.badge-cat{display:inline-block;background:var(--c-primary-l);color:var(--c-primary);font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:3px 12px;white-space:nowrap}
.news-card__more{color:var(--c-primary);font-weight:600;white-space:nowrap}
.news-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;color:var(--t-weak)}
.news-empty i{font-size:30px;color:var(--c-primary);opacity:.5}
.news-empty p{margin:14px 0 20px;font-size:15px}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:10px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 22px;transition:border-color .16s ease-out}
.faq-item[open]{border-color:var(--c-primary)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:17px;font-weight:600;color:var(--t-main)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .fx{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .2s ease-out}
.faq-item summary .fx::before,.faq-item summary .fx::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px}
.faq-item summary .fx::before{left:0;right:0;top:10px;height:2px}
.faq-item summary .fx::after{top:0;bottom:0;left:10px;width:2px;transition:opacity .2s ease-out,transform .2s ease-out}
.faq-item[open] summary .fx::after{opacity:0;transform:scaleY(.2)}
.faq-item .faq-body{padding:0 0 22px;font-size:15px;color:var(--t-sub);line-height:1.75;max-width:900px}
/* ---------- consult ---------- */
.consult{background:#fff;border-top:1px solid var(--line)}
.consult__grid{display:grid;gap:40px}
.form-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--t-sub);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--t-main);font-family:inherit;font-size:15px;padding:0 14px;transition:border-color .16s ease-out,box-shadow .16s ease-out}
.field textarea{height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,107,96,.12)}
.field--row{display:grid;gap:18px}
.privacy-note{margin-top:14px;font-size:12px;color:var(--t-weak)}
.form-msg{margin-top:14px;font-size:14px;color:var(--c-primary);display:none}
.form-msg.is-show{display:block}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);margin-bottom:18px}
.side-card h3{font-size:18px;font-weight:600;margin-bottom:14px}
.side-list{display:grid;gap:14px}
.side-list li{display:flex;gap:12px;font-size:14px;color:var(--t-sub)}
.side-list i{color:var(--c-accent);line-height:1.7}
/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9DAD6;padding:64px 0 0}
.foot-grid{display:grid;gap:32px}
.foot-brand__name{font-size:19px;font-weight:700;color:#fff;margin-bottom:12px}
.foot-brand__name i{color:var(--c-accent);margin-right:8px}
.foot-brand p{font-size:14px;color:rgba(255,255,255,.62);max-width:320px}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-links{display:grid;gap:11px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.66)}
.foot-links a:hover{color:#fff}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:11px}
.foot-contact i{color:var(--c-accent);line-height:1.7}
.foot-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}
/* ---------- mobile tabs ---------- */
.mobile-tab{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -6px 20px rgba(10,46,42,.06)}
.mobile-tab a{position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 0 8px;font-size:11px;color:var(--t-weak);text-align:center}
.mobile-tab a i{font-size:19px}
.mobile-tab a.is-active{color:var(--c-primary);font-weight:600}
.mobile-tab a.is-active::before{content:"";position:absolute;top:0;left:26%;right:26%;height:2px;background:var(--c-primary);border-radius:0 0 3px 3px}
/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto !important}
}
/* ---------- responsive ---------- */
@media (min-width:640px){
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .field--row{grid-template-columns:1fr 1fr}
}
@media (min-width:768px){
  .ladder{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .limited__grid{grid-template-columns:1.1fr .9fr}
}
@media (min-width:1024px){
  .hero__grid{grid-template-columns:1.05fr .95fr}
  .ladder{grid-template-columns:repeat(4,1fr)}
  .plans{grid-template-columns:repeat(3,1fr)}
  .plan--featured{transform:translateY(-8px)}
  .plan--featured:hover{transform:translateY(-10px)}
  .topic-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:repeat(3,1fr)}
  .consult__grid{grid-template-columns:1.05fr .95fr}
}
@media (max-width:1023px){
  .nav-links,.nav-actions .link-plain{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .mobile-tab{display:grid;grid-template-columns:repeat(3,1fr)}
  body{padding-bottom:76px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .hero{padding:48px 0 56px}
  .trustbar__grid{grid-template-columns:repeat(2,1fr)}
  .trustbar__item:nth-child(1),.trustbar__item:nth-child(2){border-bottom:1px solid var(--line)}
  .trustbar__item:nth-child(3){border-left:0}
  .plans{display:flex;overflow-x:auto;gap:16px;padding-bottom:10px;scroll-snap-type:x mandatory}
  .plan{min-width:272px;flex:0 0 auto;scroll-snap-align:start}
  .plan--featured{transform:none}
  .plan--featured:hover{transform:translateY(-2px)}
  .topic-card{grid-template-columns:88px 1fr;gap:14px}
  .topic-card .go{grid-column:2;font-size:14px}
  .countdown{flex-wrap:wrap}
  .cd-cell{min-width:66px}
  .form-card{padding:22px}
  .hero__chip{position:static;margin-top:14px;box-shadow:none;background:var(--c-primary-l)}
}
@media (max-width:519px){
  .wrap{padding:0 16px}
  .brand__name{font-size:16px}
  .hero__cta .btn{width:100%}
  .foot-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --c-primary:#0E6B60;
  --c-primary-d:#0A4A42;
  --c-primary-l:#E6F3F0;
  --c-accent:#1AA88F;
  --c-promo:#F2702A;
  --c-promo-d:#D95C18;
  --c-promo-l:#FFF1E8;
  --c-time:#F2B01E;
  --t-1:#16201F;
  --t-2:#4A5A57;
  --t-3:#7C8C89;
  --line:#DDE6E3;
  --bg:#F4F7F5;
  --card:#FFFFFF;
  --dark:#0A2E2A;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(10,46,42,.06);
  --sh-2:0 12px 32px rgba(10,46,42,.10);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .16s ease-out;}
a:hover{color:var(--c-primary-d);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--t-1);}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;}
h3{font-size:21px;line-height:1.4;font-weight:600;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:20px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.sec{padding:var(--sec) 0;}
.sec--tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-l);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:14px;letter-spacing:.02em;
}
.sec-head p{color:var(--t-2);font-size:16px;margin:12px 0 0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.head-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--c-primary-l);color:var(--c-primary);font-size:16px;
}
.brand__text{font-size:19px;font-weight:700;color:var(--c-primary);letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--t-2);white-space:nowrap;
}
.nav-links a:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.nav-links a.is-active{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:700;}
.head-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.head-actions .link-quiet{font-size:15px;font-weight:600;color:var(--c-primary);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--c-primary);font-size:16px;cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--promo{background:var(--c-promo);color:#fff;box-shadow:var(--sh-1);}
.btn--promo:hover{background:var(--c-promo-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary-d);transform:translateY(-2px);}
.btn--block{width:100%;}
.btn--sm{padding:9px 16px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--t-3);padding:22px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--t-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{color:#BCC9C6;}
.crumb .now{color:var(--t-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;}

/* ---------- 文章头部 ---------- */
.article-head{padding:20px 0 34px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--c-primary-l);color:var(--c-primary);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  border-radius:var(--r-pill);padding:6px 13px;
}
.article-head h1{margin:16px 0 14px;max-width:900px;}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--t-3);}
.meta-bar i{font-size:12px;color:var(--c-accent);}
.meta-bar .dot{color:#C6D2CF;}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding:44px 0 var(--sec);align-items:start;}
.article-main{max-width:760px;min-width:0;}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 36px;box-shadow:var(--sh-1);
  font-size:16px;line-height:1.85;color:var(--t-1);
}
.article-body > *:last-child{margin-bottom:0;}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);line-height:1.4;margin:36px 0 14px;padding-left:14px;
  border-left:4px solid var(--c-primary);border-radius:2px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:19px;margin:26px 0 12px;color:var(--c-primary-d);}
.article-body p{margin:0 0 16px;}
.article-body strong{color:var(--c-primary-d);}
.article-body a{border-bottom:1px solid rgba(14,107,96,.35);}
.article-body img{border-radius:var(--r-img);margin:22px 0;width:100%;height:auto;object-fit:cover;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--t-3);text-align:center;margin-top:8px;}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;background:var(--c-primary-l);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--t-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;}
.article-body li{margin-bottom:8px;}
.article-body ul li::marker{color:var(--c-accent);}
.article-body ol li::marker{color:var(--c-primary);font-weight:700;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:600;}
.article-body code{background:#F0F4F2;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0;}

/* ---------- 空态 ---------- */
.empty-note{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:46px 30px;text-align:center;box-shadow:var(--sh-1);
}
.empty-note i{font-size:30px;color:var(--c-primary);}
.empty-note h2{font-size:22px;margin:16px 0 8px;}
.empty-note p{color:var(--t-2);margin-bottom:22px;}

/* ---------- 标签行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 14px;font-size:13px;color:var(--t-2);
  transition:transform .16s ease-out,border-color .16s ease-out,color .16s ease-out;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.post-nav a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;color:var(--t-1);box-shadow:var(--sh-1);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary);color:var(--t-1);}
.post-nav .pn-label{font-size:12.5px;color:var(--t-3);display:block;margin-bottom:6px;}
.post-nav .pn-title{font-size:15.5px;font-weight:600;color:var(--c-primary-d);}
.post-nav a.next{text-align:right;}
.back-row{margin-top:16px;}
.back-row a{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--c-primary);font-size:14px;}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.side-list li{font-size:14.5px;color:var(--t-2);line-height:1.6;}
.side-list a{font-weight:600;color:var(--t-1);}
.side-list a:hover{color:var(--c-primary);}
.side-list span.desc{display:block;color:var(--t-3);font-size:13px;margin-top:2px;}
.side-cta{background:var(--dark);border-color:var(--dark);color:#DDEAE7;}
.side-cta h3{color:#fff;}
.side-cta p{color:#A9C3BE;font-size:14px;}
.side-cta .btn{margin-top:6px;}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card__thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-l);}
.card__thumb img{width:100%;height:100%;object-fit:cover;}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__tag{align-self:flex-start;background:var(--c-primary-l);color:var(--c-primary);font-size:12px;font-weight:700;border-radius:var(--r-pill);padding:4px 11px;}
.card__title{font-size:18px;font-weight:600;line-height:1.5;color:var(--t-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card__title{color:var(--c-primary-d);}
.card__desc{font-size:14.5px;color:var(--t-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-3);border-top:1px solid var(--line);padding-top:12px;}
.card__foot .more{color:var(--c-primary);font-weight:600;}
.card__foot .more i{font-size:11px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--dark);color:#fff;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;
  border:1px solid rgba(255,255,255,.10);border-radius:50%;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center;padding:72px 0;}
.cta-inner h2{color:#fff;margin-bottom:14px;}
.cta-inner p{color:#A9C3BE;margin-bottom:0;}
.cta-points{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:10px;}
.cta-points li{font-size:14.5px;color:#D6E6E3;display:flex;gap:10px;align-items:flex-start;}
.cta-points i{color:var(--c-accent);margin-top:5px;font-size:12px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#A9C3BE;padding:64px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand__name{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;}
.foot-brand__name i{color:var(--c-accent);}
.foot-brand p{font-size:14.5px;line-height:1.75;color:#A9C3BE;margin:0;}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-links{display:grid;gap:11px;}
.foot-links a{font-size:14.5px;color:#A9C3BE;}
.foot-links a:hover{color:#fff;}
.foot-contact{list-style:none;margin:0;padding:0;display:grid;gap:11px;font-size:14.5px;}
.foot-contact i{color:var(--c-accent);width:18px;}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8AA6A1;
}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  padding:6px 6px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -2px 12px rgba(10,46,42,.06);
}
.tabbar__item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:11px;color:var(--t-3);padding:6px 2px;border-radius:10px;position:relative;
}
.tabbar__item i{font-size:19px;}
.tabbar__item.is-active{color:var(--c-primary);font-weight:700;}
.tabbar__item.is-active::before{
  content:"";position:absolute;top:-7px;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ---------- 入场动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.fade-up.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .fade-up{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:64px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px;padding-bottom:64px;}
  .article-side{display:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:30px;padding:58px 0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .nav-links{display:none;}
  .head-actions .link-quiet{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .site-header.is-open .nav-links{
    display:flex;position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 16px 20px;
    box-shadow:var(--sh-1);margin-left:0;
  }
  .site-header.is-open .nav-links a{padding:12px 14px;border-radius:12px;}
  .tabbar{display:flex;}
  body{padding-bottom:74px;}
}
@media (max-width:768px){
  .wrap{padding:0 16px;}
  .article-body{padding:24px 20px;}
  .related-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav a.next{text-align:left;}
}
@media (max-width:520px){
  .brand__text{font-size:17px;}
  .head-actions .btn{padding:10px 15px;font-size:14px;}
  .article-head h1{font-size:clamp(24px,7vw,32px);}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E6B60;
  --c-primary-d:#0A4A42;
  --c-primary-l:#E6F3F0;
  --c-accent:#1AA88F;
  --c-promo:#F2702A;
  --c-promo-d:#D95C18;
  --c-promo-l:#FFF1E8;
  --c-time:#F2B01E;
  --c-text:#16201F;
  --c-text-2:#4A5A57;
  --c-text-3:#7C8C89;
  --c-line:#DDE6E3;
  --c-bg:#F4F7F5;
  --c-card:#FFFFFF;
  --c-dark:#0A2E2A;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(10,46,42,.06);
  --sh-2:0 12px 32px rgba(10,46,42,.10);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .16s ease-out,background-color .16s ease-out,border-color .16s ease-out}
a:hover{color:var(--c-primary-d)}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0 0 14px;font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28}
h3{font-size:21px;line-height:1.4;font-weight:600}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
main{display:block}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.navbar{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--c-primary-l);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.brand__text{font-size:19px;font-weight:700;color:var(--c-primary);letter-spacing:.4px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1 1 auto}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-text-2);white-space:nowrap;
}
.nav-links a:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.nav-links a.is-active{background:var(--c-primary);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary{background:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-d);color:#fff}
.btn--promo{background:var(--c-promo);color:#fff}
.btn--promo:hover{background:var(--c-promo-d);color:#fff}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary-d)}
.btn--block{width:100%}

.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--c-line);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .18s ease-out,opacity .18s ease-out}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:#fff}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 24px;font-size:16px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-l)}
.mobile-drawer .drawer-cta{padding:16px 24px 22px}
.mobile-drawer .drawer-cta .btn{width:100%}

/* ============ 移动底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 2px 8px;font-size:11px;color:var(--c-text-3);position:relative;
}
.tabbar a i{font-size:19px;line-height:1}
.tabbar a.is-active{color:var(--c-primary)}
.tabbar a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--c-primary);border-radius:0 0 3px 3px;
}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13px;color:var(--c-text-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:18px}
.breadcrumb a{color:var(--c-text-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:#B9C6C3}

/* ============ Hero 横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EAF5F2 0%,#F4F7F5 100%);
  padding:56px 0 60px;
  border-bottom:1px solid var(--c-line);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-90px;width:420px;height:420px;
  border:1px solid rgba(14,107,96,.12);border-radius:50%;pointer-events:none;
}
.page-hero__inner{position:relative;z-index:1;max-width:820px}
.page-hero h1{margin-bottom:16px;color:var(--c-text)}
.page-hero .lead{font-size:17px;color:var(--c-text-2);margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}
.chip i{color:var(--c-accent);font-size:12px}
.chip--promo{background:var(--c-promo-l);border-color:#FBDCC8;color:var(--c-promo-d)}
.chip--promo i{color:var(--c-promo)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-y) 0}
.section--tight{padding:64px 0}
.section--plain{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-l);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:14px;
}
.section-head p{color:var(--c-text-2);margin:0}

/* ============ 条目卡片网格 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CBDCD7}
.entry-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-l)}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.entry-card:hover .entry-card__media img{transform:scale(1.04)}
.entry-card__badge{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12px;font-weight:600;padding:4px 11px;border-radius:var(--r-pill);
}
.entry-card__body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.entry-card__body h3{font-size:18px;margin-bottom:8px;line-height:1.45}
.entry-card__body p{font-size:14px;color:var(--c-text-2);margin-bottom:16px}
.entry-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--c-line)}
.tagline{display:flex;flex-wrap:wrap;gap:6px}
.tag{
  font-size:12px;color:var(--c-primary);background:var(--c-primary-l);
  padding:3px 10px;border-radius:var(--r-pill);
}
.more{font-size:13px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.more i{font-size:11px;transition:transform .16s ease-out}
.entry-card:hover .more i{transform:translateX(3px)}

/* ============ 两栏要点区 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.split__media{border-radius:var(--r-img);overflow:hidden;position:relative;box-shadow:var(--sh-1)}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split__media::after{
  content:"";position:absolute;inset:0;background:rgba(14,107,96,.08);pointer-events:none;
}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.check-list .ico{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:var(--c-primary-l);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.check-list strong{display:block;font-size:16px;margin-bottom:2px}
.check-list span{font-size:14px;color:var(--c-text-2);line-height:1.65}

/* ============ 表格化对比说明 ============ */
.compare{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:8px;
}
.compare__col{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.compare__col--rec{border:2px solid var(--c-primary);box-shadow:none}
.compare__col h3{display:flex;align-items:center;gap:9px;font-size:19px;margin-bottom:16px}
.compare__col h3 i{color:var(--c-accent)}
.compare__col ul{display:grid;gap:12px}
.compare__col li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);line-height:1.65}
.compare__col li i{color:var(--c-primary);margin-top:6px;font-size:12px}
.compare__col li.muted{color:var(--c-text-3)}
.compare__col li.muted i{color:#C3CFCC}

/* ============ 深色 CTA 条 ============ */
.cta-band{
  background:var(--c-dark);color:#fff;position:relative;overflow:hidden;
  padding:64px 0;
}
.cta-band::after{
  content:"";position:absolute;left:-140px;bottom:-220px;width:520px;height:520px;
  border:1px solid rgba(255,255,255,.10);border-radius:50%;pointer-events:none;
}
.cta-band__inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-band h2{color:#fff;margin-bottom:10px;max-width:620px}
.cta-band p{color:rgba(255,255,255,.72);margin:0;max-width:640px;font-size:15px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.36)}
.btn--outline-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:10px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;font-size:17px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-l);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;line-height:1;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:var(--c-primary);color:#fff}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;color:var(--c-text-2);line-height:1.75}
.faq-item .faq-body p:last-child{margin-bottom:0}

/* ============ 咨询表单 ============ */
.consult{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--c-text-2);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;font-size:15px;line-height:44px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--c-primary);outline:none;box-shadow:0 0 0 3px rgba(14,107,96,.10);
}
.field--error input,.field--error textarea{border-color:var(--c-promo)}
.field--error .err{display:block;font-size:12px;color:var(--c-promo-d);margin-top:6px}
.err{display:none}
.form-note{font-size:12px;color:var(--c-text-3);margin:12px 0 0}
.form-ok{
  display:none;margin-bottom:16px;padding:12px 16px;border-radius:var(--r-btn);
  background:var(--c-primary-l);color:var(--c-primary-d);font-size:14px;
}
.form-ok.is-on{display:block}
.consult-aside h3{margin-bottom:12px}
.consult-aside p{color:var(--c-text-2);font-size:15px}
.aside-list{display:grid;gap:14px;margin-top:22px}
.aside-list li{
  display:flex;gap:13px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:16px 18px;box-shadow:var(--sh-1);
}
.aside-list .ico{
  flex:0 0 auto;width:32px;height:32px;border-radius:9px;
  background:var(--c-promo-l);color:var(--c-promo);
  display:flex;align-items:center;justify-content:center;font-size:13px;
}
.aside-list strong{display:block;font-size:15px;margin-bottom:2px}
.aside-list span{font-size:13.5px;color:var(--c-text-2);line-height:1.6}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px}
.foot-brand__name{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;
}
.foot-brand__name i{color:var(--c-accent)}
.foot-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);margin:0;max-width:340px}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-links{display:grid;gap:11px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72)}
.foot-links a:hover{color:#fff}
.foot-contact{display:grid;gap:11px}
.foot-contact li{font-size:14px;color:rgba(255,255,255,.72);display:flex;gap:9px;align-items:flex-start}
.foot-contact i{color:var(--c-accent);margin-top:5px;font-size:13px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ============ 入场动效 ============ */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.fade-up.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-y:64px}
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:flex}
  .entry-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .split{grid-template-columns:1fr;gap:32px}
  .consult{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .compare{grid-template-columns:1fr}
}
@media (max-width:767px){
  .tabbar{display:flex}
  body{padding-bottom:76px}
  .wrap{padding:0 16px}
  :root{--sec-y:48px}
  .page-hero{padding:36px 0 42px}
  .entry-grid{grid-template-columns:1fr}
  .section--tight{padding:48px 0}
  .cta-band{padding:48px 0}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-band h2{font-size:24px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-brand p{max-width:none}
  .hero-actions .btn{flex:1 1 100%}
  .form-card{padding:22px}
  .entry-card__body{padding:20px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .btn{padding:11px 16px;font-size:14.5px}
  .faq-item summary{font-size:16px;padding:17px 18px}
  .faq-item .faq-body{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .fade-up{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#0E6B60;
  --c-primary-d:#0A4A42;
  --c-primary-l:#E6F3F0;
  --c-accent:#1AA88F;
  --c-promo:#F2702A;
  --c-promo-d:#D95C18;
  --c-promo-l:#FFF1E8;
  --c-time:#F2B01E;
  --t-1:#16201F;
  --t-2:#4A5A57;
  --t-3:#7C8C89;
  --bd:#DDE6E3;
  --bg:#F4F7F5;
  --card:#FFFFFF;
  --dark:#0A2E2A;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --sh-1:0 2px 6px rgba(10,46,42,.06);
  --sh-2:0 12px 32px rgba(10,46,42,.10);
  --sec:88px;
  --wrap:1200px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .16s ease-out;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--t-1);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

/* 覆盖 Foundation 默认外观 */
button,.button,.btn{border-radius:var(--r-btn);}
a.button{background:transparent;}
input[type="text"],input[type="tel"],input[type="email"],textarea{
  border-radius:var(--r-btn);
  border:1px solid var(--bd);
  box-shadow:none;
  background:#fff;
  height:46px;
  margin:0;
}
textarea{height:auto;min-height:110px;padding-top:12px;}
input[type="text"]:focus,input[type="tel"]:focus,input[type="email"]:focus,textarea:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,107,96,.12);
  outline:none;
}

/* ============ 容器 ============ */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:#fff;
  border-bottom:1px solid var(--bd);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(10,46,42,.07);}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand__mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  display:grid;place-items:center;
  font-size:17px;
}
.brand__text{
  font-size:19px;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.2px;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--t-2);
  white-space:nowrap;
}
.nav-links a:hover{background:var(--c-primary-l);color:var(--c-primary);}
.nav-links a.is-active{
  color:var(--c-primary);
  font-weight:600;
  background:var(--c-primary-l);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--bd);
  background:#fff;
  border-radius:12px;
  padding:0;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
  margin:3px auto;
  transition:transform .18s ease-out,opacity .18s ease-out;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--bd);
  background:#fff;
  padding:12px 0 16px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;
  padding:12px 24px;
  color:var(--t-1);
  font-size:16px;
  border-bottom:1px solid #EEF3F1;
}
.mobile-drawer a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-l);}
.mobile-drawer .drawer-cta{
  margin:14px 24px 0;
  display:block;
  text-align:center;
  border:none;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 20px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background .16s ease-out,color .16s ease-out,border-color .16s ease-out;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;box-shadow:var(--sh-2);}
.btn-promo{background:var(--c-promo);color:#fff;box-shadow:var(--sh-1);}
.btn-promo:hover{background:var(--c-promo-d);color:#fff;box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--bd);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-d);}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-light:hover{background:rgba(255,255,255,.20);color:#fff;}
.btn-lg{padding:14px 28px;font-size:16px;}
.btn-block{width:100%;}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section--tight{padding-top:56px;}
.section--light{background:#fff;}
.section--dark{background:var(--dark);color:#fff;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.3px;
  margin-bottom:14px;
}
.eyebrow--promo{background:var(--c-promo-l);color:var(--c-promo-d);}
.eyebrow--dark{background:rgba(255,255,255,.12);color:#8FE3D4;}
h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.5px;
}
h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.28;
  font-weight:700;
}
h3{
  font-size:21px;
  line-height:1.4;
  font-weight:600;
}
.sec-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--t-2);
}
.section--dark .sec-head p,
.section--dark p{color:rgba(255,255,255,.76);}

/* ============ Hero（深色通栏 + 左窄右大图） ============ */
.hero-dark{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:#fff;
  padding:64px 0 72px;
}
.hero-dark::after{
  content:"";
  position:absolute;
  left:-12%;
  bottom:-140px;
  width:64%;
  height:280px;
  border:1px solid rgba(143,227,212,.18);
  border-radius:50%;
  pointer-events:none;
}
.hero-dark__inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);
  gap:48px;
  align-items:center;
}
.hero-dark__text{max-width:520px;}
.hero-dark h1{color:#fff;margin-bottom:16px;}
.hero-dark__lead{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.80);
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-dark__media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
}
.hero-dark__media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-dark__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(14,107,96,.20);
}

/* 面包屑 */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.62);
  margin-bottom:18px;
}
.crumbs a{color:rgba(255,255,255,.78);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.55;}
.crumbs--light{color:var(--t-3);margin-bottom:0;}
.crumbs--light a{color:var(--t-2);}
.crumbs--light a:hover{color:var(--c-primary);}

/* ============ 数据条 ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  margin-top:-46px;
  position:relative;
  z-index:5;
  overflow:hidden;
}
.stat{
  padding:26px 22px;
  border-right:1px solid var(--bd);
}
.stat:last-child{border-right:none;}
.stat__num{
  font-size:30px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.2;
}
.stat__num small{font-size:15px;font-weight:600;margin-left:2px;}
.stat__label{
  display:block;
  margin-top:6px;
  font-size:14px;
  color:var(--t-2);
}

/* ============ 分组列表 + 右侧资料卡 ============ */
.split-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:32px;
  align-items:start;
}
.group{
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:8px 26px 14px;
  margin-bottom:22px;
}
.group__head{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 0 16px;
  border-bottom:1px solid #EDF3F1;
}
.group__idx{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  display:grid;place-items:center;
  font-size:14px;
  font-weight:700;
  letter-spacing:.5px;
}
.group__head h3{font-size:19px;}
.group__head span.group__note{
  margin-left:auto;
  font-size:13px;
  color:var(--t-3);
}
.row-list{margin:0;}
.row-item{
  display:flex;
  align-items:center;
  gap:16px;
  padding:18px 12px;
  border-bottom:1px solid #F1F6F4;
  border-radius:12px;
  transition:background .16s ease-out,transform .16s ease-out;
}
.row-item:last-child{border-bottom:none;}
.row-item:hover{background:var(--c-primary-l);transform:translateX(2px);}
.row-item__icon{
  flex:0 0 auto;
  width:42px;height:42px;
  border-radius:12px;
  background:#F1F7F5;
  color:var(--c-primary);
  display:grid;place-items:center;
  font-size:17px;
}
.row-item:hover .row-item__icon{background:#fff;}
.row-item__body{flex:1 1 auto;min-width:0;}
.row-item__body strong{
  display:block;
  font-size:17px;
  font-weight:600;
  color:var(--t-1);
  margin-bottom:4px;
}
.row-item__body em{
  display:block;
  font-style:normal;
  font-size:14px;
  line-height:1.6;
  color:var(--t-2);
}
.row-item__arrow{
  flex:0 0 auto;
  color:var(--t-3);
  font-size:13px;
  transition:transform .16s ease-out,color .16s ease-out;
}
.row-item:hover .row-item__arrow{color:var(--c-primary);transform:translateX(3px);}

/* 右侧资料卡 */
.side-card{
  position:sticky;
  top:96px;
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.side-card__top{
  padding:24px;
  background:linear-gradient(160deg,#0E6B60 0%,#0A4A42 100%);
  color:#fff;
}
.side-card__top h3{font-size:19px;color:#fff;margin-bottom:8px;}
.side-card__top p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.7;}
.side-card__cover{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.side-card__body{padding:22px 24px 24px;}
.mini-list li{
  display:flex;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed #E7EFEC;
  font-size:14px;
  color:var(--t-2);
  line-height:1.65;
}
.mini-list li:last-child{border-bottom:none;}
.mini-list i{color:var(--c-accent);margin-top:4px;font-size:13px;}
.side-card .btn{margin-top:18px;}
.side-card__hint{
  margin-top:12px;
  font-size:12px;
  color:var(--t-3);
  line-height:1.6;
}

/* ============ 流程时间线 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step__no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:999px;
  background:var(--c-promo-l);
  color:var(--c-promo-d);
  font-size:13px;
  font-weight:700;
  margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--t-2);line-height:1.7;}
.step::after{
  content:"";
  position:absolute;
  top:42px;right:-12px;
  width:12px;height:1px;
  background:var(--bd);
}
.step:last-child::after{display:none;}

/* ============ 对照两栏 ============ */
.compare{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.compare__media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--bd);
  box-shadow:var(--sh-1);
}
.compare__media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.compare-col{
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-1);
  margin-bottom:18px;
}
.compare-col:last-child{margin-bottom:0;}
.compare-col--pick{
  border:2px solid var(--c-primary);
  box-shadow:none;
}
.compare-col h3{
  font-size:18px;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
}
.compare-col h3 .tag{
  font-size:12px;
  font-weight:600;
  padding:2px 10px;
  border-radius:999px;
  background:var(--c-primary-l);
  color:var(--c-primary);
}
.compare-col ul li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--t-2);
  line-height:1.7;
  padding:6px 0;
}
.compare-col ul li i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.compare-col ul li.is-off{color:var(--t-3);}
.compare-col ul li.is-off i{color:var(--t-3);}

/* ============ 标签 ============ */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag-pill{
  display:inline-block;
  padding:5px 12px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--bd);
  font-size:13px;
  color:var(--t-2);
}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto;}
.faq details{
  background:#fff;
  border:1px solid var(--bd);
  border-radius:12px;
  margin-bottom:10px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .16s ease-out;
}
.faq details[open]{border-color:#C7DED8;}
.faq summary{
  list-style:none;
  cursor:pointer;
  padding:18px 52px 18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--t-1);
  position:relative;
  line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"";
  position:absolute;
  right:22px;
  top:50%;
  width:12px;height:12px;
  margin-top:-6px;
  border-right:2px solid var(--c-primary);
  border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);
  transition:transform .2s ease-out;
}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px;}
.faq__body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.75;
  color:var(--t-2);
  border-top:1px solid #F1F6F4;
  padding-top:16px;
}

/* ============ CTA / 咨询 ============ */
.consult{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
  gap:40px;
  align-items:start;
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:34px;
}
.form-field{margin-bottom:16px;}
.form-field label{
  display:block;
  font-size:13px;
  color:var(--t-2);
  margin-bottom:6px;
}
.form-field input,.form-field textarea{width:100%;padding:0 14px;}
.form-field textarea{padding:12px 14px;}
.form-note{font-size:12px;color:var(--t-3);line-height:1.6;margin-top:12px;}
.consult-info h2{margin-bottom:14px;}
.consult-info p{font-size:15px;color:var(--t-2);margin-bottom:16px;}
.info-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed #E7EFEC;
  font-size:14.5px;
  color:var(--t-2);
}
.info-list li:last-child{border-bottom:none;}
.info-list i{color:var(--c-primary);margin-top:5px;}

/* 深色 CTA 条 */
.cta-bar{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:#fff;
  border-radius:var(--r-card);
  padding:40px 44px;
  display:flex;
  align-items:center;
  gap:28px;
  flex-wrap:wrap;
}
.cta-bar__text{flex:1 1 340px;}
.cta-bar h2{font-size:clamp(22px,2.4vw,30px);color:#fff;margin-bottom:10px;}
.cta-bar p{font-size:15px;color:rgba(255,255,255,.78);}
.cta-bar__actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-bar::after{
  content:"";
  position:absolute;
  right:-70px;top:-90px;
  width:260px;height:260px;
  border:1px solid rgba(143,227,212,.18);
  border-radius:50%;
  pointer-events:none;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.76);
  padding:64px 0 0;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:44px;
}
.foot-brand__name{
  font-size:19px;
  font-weight:700;
  color:#fff;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.foot-brand__name i{color:var(--c-accent);}
.foot-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:340px;}
.foot-title{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);}
.foot-links a:hover{color:#fff;}
.foot-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  padding:5px 0;
  color:rgba(255,255,255,.72);
}
.foot-contact i{color:var(--c-accent);margin-top:4px;font-size:13px;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.58);
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:950;
  background:#fff;
  border-top:1px solid var(--bd);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 16px rgba(10,46,42,.06);
}
.tabbar__inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.tabbar a{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  padding:8px 2px 7px;
  font-size:11px;
  color:var(--t-3);
  line-height:1.2;
}
.tabbar a i{font-size:19px;}
.tabbar a.is-active{color:var(--c-primary);font-weight:600;}
.tabbar a.is-active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:26px;height:2px;
  border-radius:0 0 3px 3px;
  background:var(--c-primary);
}

/* ============ 入场动效 ============ */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.fade-up.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .fade-up{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec:64px;}
  .nav-links{display:none;}
  .header-actions{display:none;}
  .nav-toggle{display:grid;}
  .header-inner{gap:12px;justify-content:space-between;}
  .hero-dark__inner{grid-template-columns:1fr;gap:32px;}
  .hero-dark__text{max-width:none;}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:-32px;}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--bd);}
  .split-layout{grid-template-columns:1fr;}
  .side-card{position:static;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .compare{grid-template-columns:1fr;gap:28px;}
  .consult{grid-template-columns:1fr;gap:26px;padding:26px;}
  .foot-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  :root{--sec:48px;}
  body{padding-bottom:72px;}
  .wrap{padding:0 16px;}
  .header-inner{height:64px;}
  .brand__text{font-size:17px;}
  .brand__mark{width:32px;height:32px;font-size:15px;}
  .tabbar{display:block;}
  .hero-dark{padding:40px 0 52px;}
  .hero-dark__lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .stats{grid-template-columns:1fr;margin-top:0;border-radius:var(--r-card);}
  .stat{border-right:none;border-bottom:1px solid var(--bd);padding:20px;}
  .stat:last-child{border-bottom:none;}
  .group{padding:6px 16px 10px;}
  .row-item{padding:14px 6px;gap:12px;}
  .row-item__icon{width:36px;height:36px;font-size:15px;}
  .row-item__body strong{font-size:16px;}
  .timeline{grid-template-columns:1fr;}
  .cta-bar{padding:28px 22px;}
  .cta-bar__actions{width:100%;}
  .cta-bar__actions .btn{flex:1 1 100%;}
  .consult{padding:20px;border-radius:12px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .faq summary{font-size:16px;padding:16px 46px 16px 18px;}
  .faq__body{padding:14px 18px 18px;}
}