/* roulang page: index */
:root{
  --jade:#0E8C7F;
  --jade-2:#35D6A4;
  --jade-deep:#0B4F4A;
  --ink:#08201E;
  --orange:#FF7A3D;
  --orange-2:#FF5E4D;
  --gold:#FFB020;
  --text:#13211F;
  --text-2:#5C6E6B;
  --text-3:#8A9995;
  --line:#E2EAE7;
  --bg:#F7F8F5;
  --bg-2:#EEF5F2;
  --grad-jade:linear-gradient(120deg,#0E8C7F 0%,#35D6A4 100%);
  --grad-orange:linear-gradient(135deg,#FF8A3D 0%,#FF5E4D 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --sh-1:0 2px 8px rgba(11,79,74,.06);
  --sh-2:0 12px 32px rgba(11,79,74,.10);
  --sh-3:0 22px 48px rgba(11,79,74,.16);
  --sp:clamp(56px,7vw,110px);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.005em;
}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:var(--jade-deep);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--jade)}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0 0 14px;color:var(--text);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.15}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
h3{font-size:clamp(19px,1.6vw,23px);line-height:1.4;font-weight:600}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text)}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px}
::selection{background:rgba(14,140,127,.18)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
@media (min-width:1440px){.container{max-width:1280px}}

.section{padding:var(--sp) 0}
.section--alt{background:var(--bg-2)}
.section--soft{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1;font-weight:600;letter-spacing:.08em;
  color:var(--jade-deep);background:rgba(14,140,127,.10);
  padding:8px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-jade)}
.lead{color:var(--text-2);font-size:17px;line-height:1.85;max-width:780px}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,245,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:#F7F8F5;box-shadow:var(--sh-1)}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand__mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:var(--grad-jade);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;box-shadow:var(--sh-1);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__main{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand__sub{font-size:11.5px;color:var(--text-3);letter-spacing:.16em}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  position:relative;display:block;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:3px;border-radius:3px;background:var(--grad-jade);
  transform:translateX(-50%);transition:width .24s ease;
}
.nav-menu a:hover{color:var(--jade-deep);background:rgba(14,140,127,.06)}
.nav-menu a:hover::after{width:60%}
.nav-menu a.is-active{color:var(--jade-deep);font-weight:600}
.nav-menu a.is-active::after{width:60%}
.nav-cta{margin-left:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-xs);
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--grad-orange);color:#fff;box-shadow:0 10px 24px rgba(255,94,77,.28)}
.btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,94,77,.34)}
.btn--ghost{background:rgba(14,140,127,.08);color:var(--jade-deep);border-color:rgba(14,140,127,.20)}
.btn--ghost:hover{background:rgba(14,140,127,.14);color:var(--jade-deep);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--jade-deep);border-color:var(--line)}
.btn--light:hover{color:var(--jade-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn--outline-light:hover{color:#fff;border-color:rgba(255,255,255,.85);background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn--pill{border-radius:999px;padding:15px 32px;font-size:16px}
.btn--block{width:100%}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--jade-deep);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;inset:0;z-index:70;background:#F7F8F5;
  padding:88px 20px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s ease;
  visibility:hidden;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:14px 4px;font-size:17px;font-weight:600;
  color:var(--text);border-bottom:1px solid var(--line);
}
.drawer a.is-active{color:var(--jade-deep)}
.drawer a::after{content:"›";color:var(--text-3);font-weight:400}
.drawer__cta{margin-top:28px}
.drawer__cta a::after{content:""}
@media (max-width:1023px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-bar{height:60px}
}
@media (min-width:1024px){.drawer{display:none}}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.55;transform:scale(1.02);
}
.hero__overlay{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,32,30,.95) 0%,rgba(8,32,30,.82) 42%,rgba(8,32,30,.30) 100%);
}
.hero__inner{position:relative;padding:72px 0 84px;min-height:560px;align-items:center}
.hero h1{color:#fff;max-width:16em}
.hero__sub{
  margin:18px 0 28px;max-width:600px;
  font-size:clamp(16px,1.5vw,19px);line-height:1.8;color:rgba(255,255,255,.82);
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__stats{display:flex;flex-wrap:wrap;gap:14px}
.stat-chip{
  display:flex;align-items:baseline;gap:8px;
  padding:12px 18px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
}
.stat-chip b{font-size:20px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.stat-chip span{font-size:13.5px;color:rgba(255,255,255,.78)}
.hero__visual{position:relative}
.hero__card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 30px 60px rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.14);
}
.hero__card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.hero__card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,32,30,0) 45%,rgba(8,32,30,.72) 100%);
}
.hero__card-cap{
  position:absolute;left:22px;right:22px;bottom:18px;z-index:2;
  font-size:14px;color:rgba(255,255,255,.9);
}
.float-badge{
  position:absolute;z-index:3;
  padding:12px 16px;border-radius:16px;
  background:rgba(255,255,255,.96);color:var(--text);
  box-shadow:var(--sh-3);border:1px solid var(--line);
  font-size:13px;line-height:1.4;
}
.float-badge b{display:block;font-size:19px;font-weight:700;color:var(--jade-deep);font-variant-numeric:tabular-nums}
.float-badge--a{left:-14px;bottom:46px}
.float-badge--b{right:-10px;top:34px}
.float-badge--b b{color:var(--orange)}
@media (max-width:1023px){
  .float-badge--a{left:8px;bottom:14px}
  .float-badge--b{right:8px;top:14px}
}
@media (max-width:639px){
  .hero__inner{padding:52px 0 60px;min-height:auto}
  .hero__card img{aspect-ratio:16/10}
  .float-badge{padding:9px 12px;font-size:12px}
  .float-badge b{font-size:16px}
  .stat-chip{padding:10px 14px}
  .stat-chip b{font-size:17px}
}

/* ===== 步骤阶梯 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:start}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px 24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:nth-child(odd){margin-top:24px}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,140,127,.28)}
.step__num{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
  font-size:13px;font-weight:700;color:var(--jade-deep);
  border:1px solid rgba(14,140,127,.35);background:rgba(14,140,127,.06);
  font-variant-numeric:tabular-nums;
}
.step h3{margin-bottom:8px;font-size:19px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.step__icon{
  width:44px;height:44px;border-radius:14px;margin-bottom:16px;
  background:var(--grad-jade);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
}
@media (max-width:1023px){
  .steps{
    display:flex;gap:16px;overflow-x:auto;padding-bottom:14px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .step{flex:0 0 78vw;margin-top:0;scroll-snap-align:start}
}

/* ===== 数据徽章带 ===== */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:44px}
.metric{
  background:var(--bg-2);border-radius:var(--r-md);padding:26px 24px;
  border:1px solid rgba(14,140,127,.10);
  transition:background .25s ease,transform .25s ease;
}
.metric:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--sh-2)}
.metric b{
  display:block;font-size:clamp(28px,3.4vw,40px);line-height:1.1;font-weight:700;
  color:var(--jade-deep);font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.metric b em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:6px}
.metric span{font-size:14px;color:var(--text-2)}
@media (max-width:1023px){.metrics{grid-template-columns:repeat(2,1fr)}}

/* ===== 图文交错 ===== */
.split{
  display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh-1);
}
.split--reverse{grid-template-columns:5fr 7fr}
.split--reverse .split__media{order:2}
.split__media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-sm)}
.split h3{font-size:clamp(21px,2.2vw,26px)}
.split p{color:var(--text-2)}
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{
  position:relative;padding-left:30px;font-size:15px;color:var(--text-2);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--grad-jade);
  box-shadow:0 0 0 4px rgba(14,140,127,.12);
}
@media (max-width:1023px){
  .split,.split--reverse{grid-template-columns:1fr;gap:26px;padding:24px}
  .split--reverse .split__media{order:0}
}

/* ===== 进度 ===== */
.flow{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px 34px;box-shadow:var(--sh-1)}
.flow__head{display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between;margin-bottom:30px}
.flow__head h3{margin:0}
.flow__head span{font-size:14px;color:var(--text-2)}
.track{position:relative;height:10px;border-radius:999px;background:var(--line);overflow:hidden}
.track__fill{height:100%;width:68%;border-radius:999px;background:var(--grad-jade)}
.flow__dots{position:relative;display:grid;grid-template-columns:repeat(4,1fr);margin-top:-19px}
.flow__dot{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px}
.flow__dot i{
  width:28px;height:28px;border-radius:50%;display:block;
  background:#fff;border:2px solid var(--line);
}
.flow__dot.is-done i{background:var(--jade);border-color:var(--jade)}
.flow__dot.is-current i{
  background:var(--orange);border-color:var(--orange);
  box-shadow:0 0 0 7px rgba(255,122,61,.20);
}
.flow__dot em{font-style:normal;font-size:14px;font-weight:600;color:var(--text)}
.flow__dot span{font-size:13px;color:var(--text-3);line-height:1.6;display:block;max-width:15em}
@media (max-width:767px){
  .flow{padding:26px 20px}
  .track{display:none}
  .flow__dots{grid-template-columns:1fr;gap:18px;margin-top:0}
  .flow__dot{flex-direction:row;align-items:flex-start;text-align:left;gap:14px}
  .flow__dot i{flex:0 0 22px;width:22px;height:22px;margin-top:4px}
}

/* ===== 最新信息 ===== */
.list-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:26px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  transition:all .2s ease;cursor:pointer;
}
.chip:hover{border-color:rgba(14,140,127,.4);color:var(--jade-deep)}
.chip.is-current{background:var(--grad-jade);border-color:transparent;color:#fff;font-weight:600}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,140,127,.28)}
.news-card__media{position:relative;overflow:hidden}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s ease}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__cat{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.94);color:var(--jade-deep);
}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-card__body h3{
  font-size:18px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__body h3 a{color:var(--text)}
.news-card__body h3 a:hover{color:var(--jade)}
.news-card__desc{
  font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--text-3);
}
.news-card__foot .more{font-weight:600;color:var(--jade-deep)}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.news-empty__icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;
  background:var(--bg-2);color:var(--jade-deep);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;
}
.news-empty p{color:var(--text-2);margin-bottom:20px}
@media (max-width:1023px){.news-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width:639px){.news-list{grid-template-columns:1fr}}

/* ===== 评价 ===== */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.quote p{font-size:15px;color:var(--text-2);line-height:1.85}
.quote__who{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.quote__avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:var(--grad-jade);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
}
.quote__who b{display:block;font-size:14.5px}
.quote__who span{font-size:13px;color:var(--text-3)}
@media (max-width:1023px){.quotes{grid-template-columns:1fr}}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.faq-side{position:sticky;top:104px}
.faq-side h2{margin-bottom:14px}
.faq-side p{color:var(--text-2);font-size:15.5px}
.faq-side .faq-side__card{
  margin-top:24px;padding:22px;border-radius:var(--r-md);
  background:var(--bg-2);border:1px solid rgba(14,140,127,.12);
}
.faq-side .faq-side__card b{display:block;font-size:16px;margin-bottom:6px;color:var(--jade-deep)}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:rgba(14,140,127,.3);box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .idx{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--jade-deep);
  background:rgba(14,140,127,.10);padding:4px 10px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.faq-item summary .plus{
  margin-left:auto;flex:0 0 auto;width:24px;height:24px;position:relative;
  transition:transform .25s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--jade-deep);
  border-radius:2px;transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:14px;height:2px}
.faq-item summary .plus::after{width:2px;height:14px}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-answer{
  padding:0 22px 22px 22px;border-left:3px solid var(--jade);
  margin:0 0 18px 22px;padding-left:18px;
  color:var(--text-2);font-size:15px;line-height:1.9;
}
@media (max-width:1023px){
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
}

/* ===== CTA + 表单 ===== */
.cta{background:var(--ink);color:#fff;border-radius:var(--r-lg) var(--r-lg) 0 0;position:relative;overflow:hidden}
.cta__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.20;
}
.cta__inner{position:relative;padding:78px 0}
.cta-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.78)}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta__form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:26px;backdrop-filter:blur(8px);
}
.cta__form h3{color:#fff;font-size:19px;margin-bottom:6px}
.cta__form .hint{font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:7px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-xs);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.94);
  color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(14,140,127,.25);
}
.field.has-error input,.field.has-error select{
  border-color:var(--orange-2);box-shadow:0 0 0 3px rgba(255,94,77,.20);
}
.field__err{display:none;font-size:13px;color:#FFB9A8;margin-top:6px}
.field.has-error .field__err{display:block}
.form-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:12px}
.form-done{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-xs);
  background:rgba(53,214,164,.16);border:1px solid rgba(53,214,164,.4);
  color:#DFFFF5;font-size:14px;
}
.form-done.is-show{display:block}
@media (max-width:1023px){
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .cta__inner{padding:56px 0}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);border-radius:var(--r-lg) var(--r-lg) 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;
}
.footer-brand .brand__mark{background:var(--grad-jade)}
.footer-brand .brand__main,
.footer-brand .brand__sub{color:#fff}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.62);margin-top:18px;max-width:32em}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px}
.footer-col a:hover{color:var(--jade-2)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.62)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13.5px;color:rgba(255,255,255,.55);margin:0}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.72);
  padding:9px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.2);
  background:transparent;cursor:pointer;transition:all .2s ease;
}
.to-top:hover{color:#fff;border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr}}

/* Foundation 覆盖 */
.grid-x,.grid-margin-x,.grid-margin-y{--xy-gutter:0}
.accordion,.callout,.progress,.top-bar,.menu{background:none;border:none;margin:0;padding:0}

/* roulang page: article */
:root{
  --brand:#0E8C7F;
  --brand-2:#35D6A4;
  --brand-grad:linear-gradient(120deg,#0E8C7F 0%,#35D6A4 100%);
  --deep:#0B4F4A;
  --ink:#08201E;
  --action:#FF7A3D;
  --action-grad:linear-gradient(135deg,#FF8A3D 0%,#FF5E4D 100%);
  --gold:#FFB020;
  --text:#13211F;
  --text-2:#5C6E6B;
  --text-3:#8A9995;
  --line:#E2EAE7;
  --bg:#F7F8F5;
  --bg-alt:#EEF5F2;
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-input:12px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(11,79,74,.06);
  --sh-2:0 12px 32px rgba(11,79,74,.10);
  --sh-3:0 22px 48px rgba(11,79,74,.16);
  --sp-m:56px;
  --sp-d:108px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--deep);text-decoration:none;transition:color .22s ease,background-color .22s ease}
a:hover{color:var(--brand)}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px}
}
@media (min-width:1440px){
  .container{max-width:1280px}
}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,248,245,.88);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:#F7F8F5;
  box-shadow:var(--sh-1);
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:60px;
  gap:16px;
}
@media (min-width:1024px){
  .nav-bar{min-height:72px;gap:24px}
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:38px;height:38px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;font-size:19px;font-weight:700;
  box-shadow:0 6px 18px rgba(14,140,127,.28);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.brand__sub{font-size:11px;color:var(--text-2);letter-spacing:.14em;margin-top:3px}
.nav-menu{display:none}
@media (min-width:1024px){
  .nav-menu{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:auto;
  }
  .nav-menu a{
    position:relative;
    display:inline-block;
    padding:10px 12px;
    font-size:15px;
    color:var(--text-2);
    border-radius:10px;
    white-space:nowrap;
  }
  .nav-menu a::after{
    content:"";
    position:absolute;
    left:20%;right:20%;
    bottom:4px;
    height:3px;
    border-radius:3px;
    background:var(--brand-grad);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .24s ease;
  }
  .nav-menu a:hover{color:var(--deep)}
  .nav-menu a:hover::after{transform:scaleX(1)}
  .nav-menu a.is-active{color:var(--deep);font-weight:600}
  .nav-menu a.is-active::after{transform:scaleX(1);left:20%;right:20%}
}
.nav-cta{display:none}
@media (min-width:1024px){
  .nav-cta{display:block;margin-left:24px}
}
.nav-toggle{
  width:44px;height:44px;
  display:grid;
  align-content:center;
  justify-items:center;
  gap:5px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--deep);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.nav-toggle{display:none}}

.drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:#F7F8F5;
  padding:88px 24px 32px;
  display:flex;
  flex-direction:column;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer a.drawer__link{
  display:flex;
  align-items:center;
  min-height:52px;
  font-size:17px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer a.drawer__link.is-active{color:var(--brand);font-weight:600}
.drawer .btn{margin-top:24px;width:100%}
.drawer__close{
  position:absolute;
  top:22px;right:20px;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--deep);
  font-size:18px;
}
@media (min-width:1024px){.drawer{display:none}}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn--primary{
  background:var(--action-grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,94,77,.28);
}
.btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,94,77,.34)}
.btn--primary:active{transform:translateY(1px)}
.btn--brand{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(14,140,127,.24);
}
.btn--brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px)}
.btn--outline{
  border-color:var(--line);
  background:#fff;
  color:var(--deep);
}
.btn--outline:hover{border-color:rgba(14,140,127,.45);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn--ghost{
  border-color:rgba(255,255,255,.42);
  color:#fff;
  background:rgba(255,255,255,.06);
}
.btn--ghost:hover{color:#fff;background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn--pill{border-radius:999px}
.btn--sm{padding:9px 16px;font-size:14px}

/* ============ Article hero ============ */
.article-hero{
  position:relative;
  padding:44px 0 52px;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(112deg,rgba(8,32,30,.92) 0%,rgba(11,79,74,.80) 46%,rgba(11,79,74,.42) 100%);
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-80px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,164,.30) 0%,rgba(53,214,164,0) 68%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.42)}
.breadcrumb .current{color:var(--brand-2)}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(53,214,164,.16);
  border:1px solid rgba(53,214,164,.42);
  color:#CFF7E8;
  font-size:13px;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.article-hero h1{
  color:#fff;
  font-size:clamp(26px,4vw,46px);
  line-height:1.2;
  max-width:900px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 22px;
  margin-top:22px;
  font-size:14px;
  color:rgba(255,255,255,.78);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand-2);font-size:13px}
.article-meta .meta-chip{
  padding:4px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
}

/* ============ Article body ============ */
.article-section{
  padding:var(--sp-m) 0 var(--sp-d);
  background:var(--bg);
}
.article-grid{align-items:flex-start}
.article-main{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:26px 22px 30px;
}
@media (min-width:768px){
  .article-main{padding:40px 44px 48px}
}
.article-body{
  max-width:780px;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
}
.article-body p{margin:0 0 16px}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.35;
  margin:36px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--brand-grad);
}
.article-body h3{
  font-size:19px;
  line-height:1.45;
  margin:26px 0 12px;
  color:var(--deep);
}
.article-body h4{font-size:17px;margin:20px 0 10px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(14,140,127,.35)}
.article-body a:hover{color:var(--deep);border-bottom-color:var(--brand-grad)}
.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;
  margin-bottom:9px;
  list-style:none;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--brand-grad);
}
.article-body ol{counter-reset:olist}
.article-body ol li{counter-increment:olist;padding-left:30px}
.article-body ol li::before{
  content:counter(olist,decimal-leading-zero);
  position:absolute;
  left:0;top:0;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:22px 0;
  padding:16px 20px;
  background:var(--bg-alt);
  border-left:4px solid;
  border-image:var(--brand-grad) 1;
  border-radius:0 var(--r-input) var(--r-input) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  border-radius:var(--r-img);
  margin:22px auto;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:22px 0}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-2);
  margin-top:8px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:15px;
  border-radius:var(--r-input);
  overflow:hidden;
  box-shadow:0 0 0 1px var(--line);
}
.article-body thead th{
  background:var(--deep);
  color:#fff;
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  font-size:14px;
}
.article-body tbody td{
  padding:11px 14px;
  border-top:1px solid var(--line);
  color:var(--text-2);
}
.article-body tbody tr:nth-child(even){background:var(--bg-alt)}
.article-body strong{color:var(--ink)}
.article-body hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:32px 0;
}
.article-body .article-figure-note{font-size:13px;color:var(--text-3)}
.empty-state{
  text-align:center;
  padding:52px 20px;
  border:1px dashed var(--line);
  border-radius:var(--r-md);
  background:var(--bg-alt);
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--text-2);margin-bottom:20px}

/* ============ Sidebar ============ */
.article-side{margin-top:28px}
@media (min-width:1024px){
  .article-side{margin-top:0}
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--sh-1);
  margin-bottom:22px;
}
.side-card h4{
  font-size:16px;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.toc-list li{margin-bottom:4px}
.toc-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.toc-list a:hover{background:var(--bg-alt);color:var(--brand);transform:translateX(3px)}
.toc-list span{
  width:22px;height:22px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:7px;
  background:var(--bg-alt);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.side-note{
  background:var(--ink);
  border-radius:var(--r-md);
  padding:24px 22px;
  color:rgba(255,255,255,.78);
  border:1px solid rgba(53,214,164,.24);
}
.side-note h4{color:#fff;font-size:16px;margin-bottom:10px}
.side-note p{font-size:14px;line-height:1.85;margin-bottom:16px}
.side-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.side-badges span{
  padding:5px 11px;
  border-radius:999px;
  font-size:12px;
  color:#CFF7E8;
  background:rgba(53,214,164,.14);
  border:1px solid rgba(53,214,164,.32);
}
.side-note .btn{width:100%}

/* ============ Related ============ */
.related-section{
  padding:0 0 var(--sp-d);
  background:var(--bg);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{color:var(--text-2);font-size:14px;margin:8px 0 0}
.rel-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,140,127,.25)}
.rel-card__thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-alt);
}
.rel-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-card__thumb img{transform:scale(1.04)}
.rel-card__tag{
  position:absolute;
  left:12px;top:12px;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(8,32,30,.78);
  color:#CFF7E8;
  font-size:12px;
  backdrop-filter:blur(4px);
}
.rel-card__body{padding:20px;display:flex;flex-direction:column;flex:1}
.rel-card__body h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.rel-card__body p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:16px;flex:1}
.rel-card__foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.rel-card__foot a{color:var(--brand);font-weight:600;font-size:13px}
.back-row{margin-top:32px;text-align:center}

/* ============ CTA band ============ */
.cta-band{
  background:var(--ink);
  padding:var(--sp-m) 0;
  position:relative;
  overflow:hidden;
}
@media (min-width:1024px){
  .cta-band{padding:84px 0}
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-80px;top:-60px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(14,140,127,.34) 0%,rgba(14,140,127,0) 70%);
}
.cta-card{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  gap:24px;
  padding:30px 24px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.04);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(8,32,30,.92),rgba(8,32,30,.92)),linear-gradient(120deg,#0E8C7F,#35D6A4);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
@media (min-width:768px){
  .cta-card{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:38px 40px;
    gap:32px;
  }
}
.cta-card h2{color:#fff;font-size:clamp(21px,2.6vw,28px);line-height:1.35;margin-bottom:10px}
.cta-card p{color:rgba(255,255,255,.74);font-size:15px;margin:0;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ============ Footer ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  border-radius:24px 24px 0 0;
  padding:var(--sp-m) 0 24px;
  font-size:14px;
}
@media (min-width:1024px){
  .site-footer{padding:80px 0 26px}
}
.footer-grid{
  display:grid;
  gap:32px;
  grid-template-columns:1fr;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand__main{color:#fff}
.footer-brand .brand__sub{color:rgba(255,255,255,.55)}
.footer-brand p{line-height:1.9;margin:0;max-width:340px;color:rgba(255,255,255,.66)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul li{margin-bottom:9px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--brand-2)}
.footer-col p{color:rgba(255,255,255,.66);line-height:1.9;margin:0}
.footer-bottom{
  display:flex;
  flex-direction:column;
  gap:14px;
  align-items:flex-start;
  padding-top:22px;
}
@media (min-width:768px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.5)}
.to-top{
  padding:8px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  color:rgba(255,255,255,.8);
  font-size:13px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top:hover{background:rgba(53,214,164,.16);color:#fff;transform:translateY(-2px)}

/* Foundation overrides */
.grid-margin-x>.cell{padding-left:13px;padding-right:13px}
.grid-margin-x{margin-left:-13px;margin-right:-13px}
.grid-margin-y{margin-top:-13px}
.grid-margin-y>.cell{padding-top:13px;padding-bottom:13px}

/* roulang page: category1 */
:root{
  --brand:#0E8C7F;
  --brand-2:#35D6A4;
  --brand-grad:linear-gradient(120deg,#0E8C7F 0%,#35D6A4 100%);
  --ink:#0B4F4A;
  --deep:#08201E;
  --action:#FF7A3D;
  --action-grad:linear-gradient(135deg,#FF8A3D 0%,#FF5E4D 100%);
  --gold:#FFB020;
  --text:#13211F;
  --text-2:#5C6E6B;
  --text-3:#8A9995;
  --line:#E2EAE7;
  --bg:#F7F8F5;
  --bg-alt:#EEF5F2;
  --white:#ffffff;
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-input:12px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(11,79,74,.06);
  --sh-2:0 12px 32px rgba(11,79,74,.10);
  --sh-3:0 22px 48px rgba(11,79,74,.16);
  --container:1200px;
  --gap:16px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .24s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){ .container{padding:0 32px;} }
@media (min-width:1440px){ :root{--container:1280px;} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,248,245,.88);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:var(--bg);
  box-shadow:var(--sh-1);
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:60px;
  gap:16px;
}
@media (min-width:1024px){ .nav-bar{height:72px;gap:24px;} }

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  font-size:19px;
  font-weight:700;
  box-shadow:var(--sh-1);
  flex:0 0 auto;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__main{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ink);}
.brand__sub{font-size:11px;letter-spacing:.14em;color:var(--text-2);}

.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
  transition:color .24s ease,background .24s ease;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:3px;
  border-radius:3px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.nav-menu a:hover{color:var(--ink);background:rgba(14,140,127,.06);}
.nav-menu a:hover::after{transform:scaleX(.6);}
.nav-menu a.is-active{color:var(--ink);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(.6);}

.nav-cta{display:flex;align-items:center;margin-left:24px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .28s ease,opacity .28s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:1023px){
  .nav-menu{
    position:fixed;
    left:0;right:0;top:60px;bottom:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 20px 40px;
    transform:translateX(102%);
    transition:transform .32s ease;
    overflow-y:auto;
    box-shadow:var(--sh-2);
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{
    padding:16px 4px;
    font-size:17px;
    border-bottom:1px solid var(--line);
    border-radius:0;
    min-height:52px;
    display:flex;
    align-items:center;
  }
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{color:var(--brand);}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .24s ease,filter .24s ease,background .24s ease,color .24s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn--primary{
  background:var(--action-grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,94,77,.24);
}
.btn--primary:hover{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(255,94,77,.30);
}
.btn--brand{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(14,140,127,.22);
}
.btn--brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn--ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink);
}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn--ghost-light{
  background:transparent;
  border-color:rgba(255,255,255,.42);
  color:#fff;
}
.btn--ghost-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn--pill{border-radius:999px;padding:14px 30px;font-size:16px;}

/* ---------- Hero lite ---------- */
.hero-lite{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:#0B4F4A;
  border-bottom-left-radius:var(--r-lg);
  border-bottom-right-radius:var(--r-lg);
}
.hero-lite__bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
}
.hero-lite__mask{
  position:absolute;
  inset:0;
  background:linear-gradient(112deg,rgba(8,32,30,.92) 0%,rgba(11,79,74,.82) 48%,rgba(11,79,74,.36) 100%);
}
.hero-lite__curve{
  position:absolute;
  right:-80px;top:-60px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(53,214,164,.24),transparent 62%);
  pointer-events:none;
}
.hero-lite__inner{
  position:relative;
  z-index:2;
  padding:48px 0 44px;
  width:100%;
}
@media (min-width:1024px){ .hero-lite__inner{padding:62px 0 58px;} }

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb .sep{color:rgba(255,255,255,.38);}
.breadcrumb .current{color:var(--brand-2);font-weight:600;}

.hero-lite h1{
  color:#fff;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:820px;
}
.hero-lite__lead{
  margin-top:16px;
  max-width:660px;
  color:rgba(255,255,255,.84);
  font-size:16px;
  line-height:1.8;
}
.hero-lite__tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.tag-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:999px;
  font-size:13px;
  color:#fff;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
}
.tag-chip i{color:var(--brand-2);font-size:12px;}

/* ---------- Section base ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){ .section{padding:96px 0;} }
.section--alt{background:var(--bg-alt);}
.section--tight{padding-top:40px;padding-bottom:40px;}
@media (min-width:1024px){ .section--tight{padding-top:56px;padding-bottom:56px;} }

.section-head{max-width:780px;margin-bottom:32px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--brand);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;
  border-radius:3px;
  background:var(--brand-grad);
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  margin-bottom:16px;
}
.section-head p{color:var(--text-2);font-size:16px;line-height:1.85;max-width:780px;}

/* ---------- Stat badges strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
@media (min-width:768px){ .stat-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;} }
.stat-badge{
  background:var(--bg-alt);
  border-radius:var(--r-md);
  padding:22px 20px;
  border:1px solid transparent;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stat-badge:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,140,127,.25);background:#fff;}
.stat-badge__num{
  font-size:clamp(28px,3.4vw,40px);
  font-weight:700;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-badge__num small{font-size:15px;font-weight:600;color:var(--gold);-webkit-text-fill-color:var(--gold);margin-left:2px;}
.stat-badge__label{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.65;
}

/* ---------- Prep layout ---------- */
.prep-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){ .prep-grid{grid-template-columns:7fr 5fr;gap:40px;align-items:start;} }

.check-list{display:flex;flex-direction:column;gap:14px;}
.check-item{
  display:flex;
  gap:16px;
  padding:20px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,140,127,.25);}
.check-item__icon{
  flex:0 0 auto;
  width:44px;height:44px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,140,127,.10);
  color:var(--brand);
  font-size:18px;
}
.check-item h3{font-size:17px;line-height:1.4;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;}

.aside-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.aside-card::before{
  content:"";
  position:absolute;
  left:0;top:0;height:4px;width:100%;
  background:var(--brand-grad);
}
.aside-card h3{font-size:19px;margin-bottom:14px;}
.aside-card ul{display:flex;flex-direction:column;gap:0;}
.aside-card li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
}
.aside-card li:last-child{border-bottom:0;}
.aside-card li i{color:var(--brand);margin-top:5px;font-size:13px;}
.aside-note{
  margin-top:18px;
  padding:14px 16px;
  border-radius:var(--r-input);
  background:rgba(255,176,32,.10);
  border:1px solid rgba(255,176,32,.28);
  font-size:13.5px;
  color:#7a5a10;
  line-height:1.75;
}

/* ---------- Steps timeline ---------- */
.steps{display:flex;flex-direction:column;}
.step{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:18px;
  padding-bottom:28px;
}
.step:last-child{padding-bottom:0;}
.step__rail{display:flex;flex-direction:column;align-items:center;}
.step__dot{
  width:48px;height:48px;
  border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:#fff;
  background:var(--brand-grad);
  box-shadow:0 8px 20px rgba(14,140,127,.24);
  flex:0 0 auto;
}
.step__line{
  flex:1;
  width:2px;
  margin-top:8px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(53,214,164,.75),rgba(53,214,164,.10));
}
.step:last-child .step__line{display:none;}
.step__body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step__body:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(14,140,127,.25);}
.step__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:8px;
}
.step__meta h3{font-size:18px;line-height:1.4;}
.step__time{
  font-size:12.5px;
  color:var(--brand);
  background:rgba(14,140,127,.10);
  border-radius:999px;
  padding:3px 10px;
  font-weight:600;
}
.step__body p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin:0;}
.step__tip{
  margin-top:12px;
  padding-left:14px;
  border-left:3px solid var(--brand);
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.8;
}

@media (min-width:1024px){
  .step{grid-template-columns:72px 1fr;gap:24px;padding-bottom:32px;}
  .step__dot{width:56px;height:56px;font-size:15px;}
}

/* ---------- Entry card (image + text) ---------- */
.entry-card{
  display:grid;
  grid-template-columns:1fr;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
}
@media (min-width:1024px){
  .entry-card{grid-template-columns:1fr 1fr;align-items:stretch;}
  .entry-card--flip .entry-card__media{order:2;}
}
.entry-card__media{
  position:relative;
  overflow:hidden;
  min-height:240px;
  background:var(--bg-alt);
}
.entry-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  aspect-ratio:16/10;
  transition:transform .5s ease;
}
.entry-card:hover .entry-card__media img{transform:scale(1.04);}
.entry-card__body{padding:28px 24px;}
@media (min-width:1024px){ .entry-card__body{padding:44px 42px;} }
.entry-card__body h3{font-size:22px;line-height:1.35;margin-bottom:14px;}
.entry-card__body > p{color:var(--text-2);font-size:15px;line-height:1.85;}
.field-list{display:flex;flex-direction:column;gap:12px;margin-top:20px;}
.field-row{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:var(--r-input);
  background:var(--bg-alt);
  font-size:14px;
  line-height:1.75;
}
.field-row b{color:var(--ink);flex:0 0 auto;min-width:76px;font-weight:600;}
.field-row span{color:var(--text-2);}

/* ---------- Prompt table ---------- */
.prompt-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  font-size:14.5px;
}
.prompt-table th,
.prompt-table td{
  padding:16px 18px;
  text-align:left;
  vertical-align:top;
  line-height:1.75;
}
.prompt-table thead th{
  background:var(--ink);
  color:#fff;
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.04em;
}
.prompt-table tbody tr:nth-child(even){background:#F2F8F6;}
.prompt-table tbody tr{transition:background .2s ease;}
.prompt-table tbody tr:hover{background:rgba(14,140,127,.08);}
.prompt-table td:first-child{color:var(--ink);font-weight:600;}
.prompt-table td:last-child{color:var(--text-2);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.table-scroll .prompt-table{min-width:560px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:box-shadow .24s ease,border-color .24s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item.is-open{border-color:rgba(14,140,127,.35);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 22px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
}
.faq-q__num{
  flex:0 0 auto;
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  background:rgba(14,140,127,.10);
  border-radius:999px;
  padding:3px 10px;
}
.faq-q__text{flex:1;}
.faq-q__icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--brand);
  font-size:13px;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-q__icon{transform:rotate(45deg);background:var(--brand-grad);color:#fff;border-color:transparent;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .36s ease;
}
.faq-a__inner{
  margin:0 22px 22px 22px;
  padding-left:16px;
  border-left:3px solid var(--brand);
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-section{
  background:var(--deep);
  border-radius:var(--r-lg);
  position:relative;
  overflow:hidden;
}
.cta-section::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-140px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(53,214,164,.22),transparent 66%);
  pointer-events:none;
}
.cta-card{
  position:relative;
  z-index:2;
  margin:0 auto;
  max-width:1020px;
  border-radius:var(--r-lg);
  border:1px solid rgba(53,214,164,.42);
  background:linear-gradient(140deg,rgba(11,79,74,.86),rgba(8,32,30,.92));
  padding:32px 24px;
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
}
@media (min-width:1024px){
  .cta-card{grid-template-columns:1.4fr 1fr;padding:44px 46px;gap:36px;}
}
.cta-card h2{
  color:#fff;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  margin-bottom:12px;
}
.cta-card p{
  color:rgba(255,255,255,.76);
  font-size:15px;
  line-height:1.8;
  margin:0;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:1024px){ .cta-actions{justify-content:flex-end;} }

/* ---------- Footer ---------- */
.site-footer{
  margin-top:56px;
  background:var(--deep);
  color:rgba(255,255,255,.72);
  border-top-left-radius:var(--r-lg);
  border-top-right-radius:var(--r-lg);
  padding:56px 0 0;
  font-size:14px;
}
@media (min-width:1024px){ .site-footer{margin-top:96px;padding-top:72px;} }
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:40px;
}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;} }

.footer-brand .brand__main{color:#fff;}
.footer-brand .brand__sub{color:rgba(255,255,255,.6);}
.footer-brand p{
  margin-top:18px;
  color:rgba(255,255,255,.62);
  line-height:1.9;
  max-width:340px;
  font-size:14px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  color:rgba(255,255,255,.68);
  line-height:1.9;
}
.footer-col a:hover{color:var(--brand-2);}
.footer-col p{color:rgba(255,255,255,.62);line-height:1.9;font-size:14px;}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.footer-bottom p{margin:0;color:rgba(255,255,255,.55);font-size:13px;line-height:1.8;}
.to-top{
  background:transparent;
  border:1px solid rgba(255,255,255,.24);
  color:rgba(255,255,255,.82);
  border-radius:999px;
  padding:8px 18px;
  font-size:13px;
  cursor:pointer;
  transition:border-color .24s ease,color .24s ease,background .24s ease,transform .2s ease;
}
.to-top:hover{border-color:var(--brand-2);color:var(--brand-2);background:rgba(53,214,164,.08);transform:translateY(-2px);}

/* foundation overrides */
.button,button{font-family:inherit;}
.grid-margin-x{margin-left:-10px;margin-right:-10px;}
.grid-margin-x > .cell{padding-left:10px;padding-right:10px;}
.grid-margin-y{margin-top:-10px;margin-bottom:-10px;}
.grid-margin-y > .cell{padding-top:10px;padding-bottom:10px;}

/* roulang page: category2 */
:root{
  --brand:#0E8C7F;
  --brand-2:#35D6A4;
  --brand-grad:linear-gradient(120deg,#0E8C7F 0%,#35D6A4 100%);
  --deep:#0B4F4A;
  --deep-2:#08201E;
  --action:#FF7A3D;
  --action-grad:linear-gradient(135deg,#FF8A3D 0%,#FF5E4D 100%);
  --gold:#FFB020;
  --ink:#13211F;
  --ink-2:#5C6E6B;
  --ink-3:#8A9995;
  --line:#E2EAE7;
  --bg:#F7F8F5;
  --bg-2:#EEF5F2;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-img:16px;
  --radius-input:12px;
  --radius-btn:12px;
  --sh1:0 2px 8px rgba(11,79,74,.06);
  --sh2:0 12px 32px rgba(11,79,74,.10);
  --sh3:0 22px 48px rgba(11,79,74,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--deep)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:inherit}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.15}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(247,248,245,.88);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{background:#F7F8F5;box-shadow:var(--sh1)}
.nav-bar{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex-shrink:0}
.brand__mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:18px;box-shadow:var(--sh1);flex-shrink:0;
}
.brand__text{display:flex;flex-direction:column;line-height:1.18}
.brand__main{font-weight:700;font-size:17px;letter-spacing:.02em}
.brand__sub{font-size:11px;color:var(--ink-2);letter-spacing:.16em}
.nav-menu{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-menu a{
  position:relative;padding:10px 12px;font-size:15px;color:var(--ink);border-radius:10px;
  transition:color .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:3px;border-radius:999px;
  background:var(--brand-grad);transform:translateX(-50%);transition:width .24s ease;
}
.nav-menu a:hover{color:var(--deep)}
.nav-menu a:hover::after{width:60%}
.nav-menu a.is-active{color:var(--deep);font-weight:600}
.nav-menu a.is-active::after{width:60%}
.nav-menu__cta{display:none}
.nav-cta{margin-left:22px;flex-shrink:0}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .24s ease,filter .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--action-grad);color:#fff;box-shadow:0 10px 24px rgba(255,94,77,.28)}
.btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,94,77,.34)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:#fff;color:var(--deep);border-color:var(--line)}
.btn--ghost:hover{color:var(--brand);border-color:rgba(14,140,127,.42);transform:translateY(-2px);box-shadow:var(--sh2)}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn--light:hover{color:#35D6A4;border-color:#35D6A4;transform:translateY(-2px)}
.btn--pill{border-radius:999px}
.btn--sm{height:42px;padding:0 18px;font-size:14px}

/* ============ 首屏 ============ */
.page-hero{position:relative;overflow:hidden;color:#fff}
.page-hero__bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;transform:scale(1.02)}
.page-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,32,30,.94) 0%,rgba(11,79,74,.86) 45%,rgba(14,140,127,.55) 100%);
}
.page-hero__inner{position:relative;padding:88px 0 80px;min-height:320px;display:flex;flex-direction:column;justify-content:center;max-width:860px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--brand-2)}
.page-hero h1{color:#fff;margin-bottom:18px}
.page-hero__lead{font-size:clamp(16px,1.4vw,19px);line-height:1.8;color:rgba(255,255,255,.86);max-width:720px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px}
.hero-metric{
  min-width:150px;padding:16px 20px;border-radius:18px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-metric b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--gold);line-height:1;font-variant-numeric:tabular-nums}
.hero-metric span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.78)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section--tight{padding:76px 0}
.section--alt{background:var(--bg-2)}
.section--deep{background:var(--deep-2);color:#fff}
.section--deep h2,.section--deep h3{color:#fff}
.section-head{max-width:780px;margin-bottom:44px}
.section-head p{color:var(--ink-2);font-size:16px}
.section--deep .section-head p{color:rgba(255,255,255,.76)}
.kicker{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);margin-bottom:16px;
}
.kicker::before{content:"";width:22px;height:3px;border-radius:999px;background:var(--brand-grad)}
.section--deep .kicker{color:var(--brand-2)}

/* ============ 概览数据 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 22px;
  box-shadow:var(--sh1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(14,140,127,.28)}
.metric__num{font-size:clamp(26px,2.6vw,34px);font-weight:700;color:var(--deep);line-height:1;font-variant-numeric:tabular-nums}
.metric__num em{font-style:normal;font-size:15px;color:var(--brand);margin-left:4px;font-weight:600}
.metric h3{font-size:16px;margin:14px 0 8px}
.metric p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0}

/* ============ 镜像图文 ============ */
.feature-row{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.feature-row + .feature-row{margin-top:76px}
.feature-row--reverse .feature-row__media{order:2}
.feature-row__media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--sh2)}
.feature-row__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg);transition:transform .5s ease}
.feature-row__media:hover img{transform:scale(1.04)}
.feature-row__tag{
  position:absolute;left:18px;top:18px;padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(8,32,30,.72);color:#fff;border:1px solid rgba(53,214,164,.4);
}
.feature-row h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:14px}
.feature-row p{color:var(--ink-2)}
.dot-list{margin-top:18px}
.dot-list li{position:relative;padding-left:20px;margin-bottom:10px;font-size:15px;color:var(--ink-2)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand-grad);
}

/* ============ 功能模块卡 ============ */
.module-grid>.cell{display:flex}
.module-card{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:26px;
  box-shadow:var(--sh1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.module-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(14,140,127,.28)}
.module-card__icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:18px;
  background:rgba(14,140,127,.10);color:var(--brand);margin-bottom:18px;
}
.module-card h3{font-size:18px;margin-bottom:10px}
.module-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin:0}
.module-card__meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;color:var(--brand);
  padding:5px 12px;border-radius:999px;background:var(--bg-2);
}

/* ============ 流程进度 ============ */
.flow-wrap{max-width:1000px}
.progress-track{height:10px;border-radius:999px;background:#E2EAE7;overflow:hidden;margin-bottom:32px}
.progress-track i{display:block;height:100%;width:75%;border-radius:999px;background:var(--brand-grad)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step__dot{width:16px;height:16px;border-radius:50%;border:2px solid var(--line);background:#fff;margin-bottom:16px}
.step.is-done .step__dot{background:var(--brand);border-color:var(--brand)}
.step.is-current .step__dot{background:var(--action);border-color:var(--action);box-shadow:0 0 0 6px rgba(255,122,61,.18)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);margin:0}

/* ============ 表单 ============ */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--sh2);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field textarea{
  width:100%;height:48px;border-radius:var(--radius-input);border:1px solid var(--line);background:#fff;
  padding:0 14px;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,140,127,.18);
}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:6px}
.form-note{font-size:13px;color:var(--ink-2)}
.form-msg{
  grid-column:1 / -1;display:none;padding:14px 18px;border-radius:var(--radius-input);font-size:14px;
  background:var(--bg-2);border:1px solid rgba(14,140,127,.28);color:var(--deep);
}
.form-msg.is-show{display:block}

/* ============ FAQ ============ */
.faq-list{max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:14px;
  box-shadow:var(--sh1);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:rgba(14,140,127,.28)}
.faq-item.is-open{border-color:rgba(14,140,127,.4);box-shadow:var(--sh2)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:16px;padding:22px 24px;background:none;border:0;
  text-align:left;cursor:pointer;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-num{color:var(--brand);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;padding-top:3px}
.faq-sign{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-2);color:var(--brand);font-size:15px;transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:var(--brand-grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a__inner{
  margin:0 24px 22px 60px;padding-left:16px;border-left:3px solid var(--brand);
  font-size:15px;color:var(--ink-2);line-height:1.95;
}

/* ============ CTA ============ */
.cta-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  border-radius:var(--radius-lg);padding:42px;
  background:linear-gradient(135deg,rgba(14,140,127,.30) 0%,rgba(8,32,30,.92) 100%);
  border:1px solid rgba(53,214,164,.35);box-shadow:var(--sh3);
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-card p{color:rgba(255,255,255,.8);max-width:540px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep-2);color:rgba(255,255,255,.82);padding:72px 0 0;
  border-radius:24px 24px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand__main{color:#fff}
.footer-brand .brand__sub{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);margin:18px 0 0;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78)}
.footer-col a:hover{color:var(--brand-2)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom p{margin:0}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:999px;
  padding:8px 18px;font-size:13px;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.to-top:hover{background:rgba(53,214,164,.16);border-color:var(--brand-2);color:var(--brand-2)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-menu{
    position:fixed;left:0;right:0;top:60px;bottom:0;z-index:80;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding:18px 24px 32px;background:var(--bg);border-top:1px solid var(--line);
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform .26s ease,opacity .26s ease,visibility .26s ease;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .nav-menu a{
    display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:0 6px;
    font-size:16.5px;border-bottom:1px solid var(--line);border-radius:0;
  }
  .nav-menu a::after{display:none}
  .nav-menu a.is-active{color:var(--deep);font-weight:600;box-shadow:inset 3px 0 0 var(--brand);padding-left:14px}
  .nav-menu .nav-menu__cta{
    display:flex;justify-content:center;height:50px;margin-top:22px;border:0;border-radius:var(--radius-btn);
    background:var(--action-grad);color:#fff;font-weight:600;box-shadow:0 12px 26px rgba(255,94,77,.28);
  }
  .nav-menu .nav-menu__cta:hover{color:#fff}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-bar{height:60px}
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row--reverse .feature-row__media{order:0}
  .feature-row + .feature-row{margin-top:60px}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-card{padding:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero__inner{padding:64px 0 58px;min-height:280px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-metric{flex:1 1 44%}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .section-head{margin-bottom:32px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px}
  .faq-q{font-size:15.5px;padding:18px 18px}
  .faq-a__inner{margin:0 18px 18px 46px}
  .cta-card{padding:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:56px;border-radius:20px 20px 0 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-metric{flex:1 1 100%}
}

/* roulang page: category3 */
:root{
  --brand:#0E8C7F;
  --brand-2:#35D6A4;
  --brand-grad:linear-gradient(120deg,#0E8C7F 0%,#35D6A4 100%);
  --ink-deep:#0B4F4A;
  --ink-night:#08201E;
  --action:#FF7A3D;
  --action-2:#FF5E4D;
  --action-grad:linear-gradient(135deg,#FF8A3D 0%,#FF5E4D 100%);
  --gold:#FFB020;
  --text:#13211F;
  --text-2:#5C6E6B;
  --text-3:#8A9995;
  --line:#E2EAE7;
  --bg:#F7F8F5;
  --bg-alt:#EEF5F2;
  --white:#FFFFFF;
  --r-xl:24px;
  --r-lg:20px;
  --r-img:16px;
  --r-input:12px;
  --r-btn:12px;
  --sh1:0 2px 8px rgba(11,79,74,.06);
  --sh2:0 12px 32px rgba(11,79,74,.10);
  --sh3:0 22px 48px rgba(11,79,74,.16);
  --container:1200px;
  --gap:24px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-align:left;
}

img{max-width:100%;display:block;height:auto;}
a{color:var(--ink-deep);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0 0 16px;color:var(--text);font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.15;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;}
h3{font-size:clamp(19px,2vw,23px);line-height:1.4;font-weight:600;}
strong{font-weight:700;color:var(--ink-deep);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

section{position:relative;}
.section{padding:56px 0;}
.section--alt{background:var(--bg-alt);}
.section--dark{background:var(--ink-night);color:#D9E7E4;}
.section--dark h2,.section--dark h3{color:#FFFFFF;}

.section-head{max-width:780px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand);
  background:rgba(14,140,127,.09);
  border:1px solid rgba(14,140,127,.18);
  border-radius:999px;padding:5px 14px;margin-bottom:14px;font-weight:600;
}
.section-head p{color:var(--text-2);margin-bottom:0;}
.section-head--light .eyebrow{color:var(--brand-2);background:rgba(53,214,164,.12);border-color:rgba(53,214,164,.28);}
.section-head--light p{color:#A9C4BF;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,245,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{background:#F7F8F5;box-shadow:var(--sh1);}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:72px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.brand__mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--brand-grad);
  color:#fff;font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(14,140,127,.28);
  flex-shrink:0;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__main{font-size:16px;font-weight:700;color:var(--ink-deep);letter-spacing:.01em;}
.brand__sub{font-size:11.5px;color:var(--text-2);letter-spacing:.16em;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:20%;right:20%;bottom:4px;height:3px;border-radius:999px;
  background:var(--brand-grad);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
}
.nav-menu a:hover{color:var(--ink-deep);background:rgba(14,140,127,.06);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--ink-deep);font-weight:600;background:rgba(14,140,127,.08);}
.nav-menu a.is-active::after{transform:scaleX(1);left:20%;right:20%;}
.nav-cta{display:flex;align-items:center;margin-left:24px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .24s ease,filter .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
  line-height:1.4;
}
.btn--primary{
  background:var(--action-grad);color:#fff;
  box-shadow:0 10px 22px rgba(255,94,77,.26);
}
.btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,94,77,.34);}
.btn--primary:active{transform:translateY(1px);}
.btn--brand{
  background:var(--brand-grad);color:#fff;
  box-shadow:0 10px 22px rgba(14,140,127,.24);
}
.btn--brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,140,127,.3);}
.btn--brand:active{transform:translateY(1px);}
.btn--ghost{
  background:transparent;color:var(--ink-deep);border-color:#CFDEDA;
}
.btn--ghost:hover{color:var(--brand);border-color:var(--brand);background:rgba(14,140,127,.05);transform:translateY(-2px);}
.btn--ghost-light{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.42);
}
.btn--ghost-light:hover{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.75);transform:translateY(-2px);}
.btn--lg{padding:15px 28px;font-size:16px;border-radius:999px;}
.btn--block{width:100%;}

.nav-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--line);
  background:#fff;border-radius:12px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
  padding:0;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink-deep);border-radius:2px;transition:transform .26s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background-image:linear-gradient(112deg,rgba(8,32,30,.94) 0%,rgba(11,79,74,.86) 46%,rgba(11,79,74,.52) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:220px;
  background:radial-gradient(closest-side,rgba(53,214,164,.22),transparent 70%);
  pointer-events:none;
}
.page-hero h1{color:#fff;margin-bottom:18px;max-width:900px;}
.page-hero .lead{
  font-size:clamp(16px,1.6vw,19px);
  color:#C9DBD7;max-width:720px;margin-bottom:28px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:#9FBDB8;margin-bottom:22px;
}
.breadcrumb a{color:#9FBDB8;}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb span.sep{opacity:.55;}
.breadcrumb .current{color:var(--brand-2);font-weight:600;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 28px;font-size:14px;color:#B4CCC7;}
.hero-meta i{color:var(--brand-2);margin-right:7px;}

/* ---------- Stats strip ---------- */
.stats-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh2);
  padding:30px 26px;
  margin-top:-52px;
  position:relative;z-index:5;
}
.stat{
  padding:12px 18px;border-right:1px solid var(--line);
}
.stat:last-child{border-right:none;}
.stat__num{
  font-size:clamp(28px,3.2vw,40px);font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:flex;align-items:baseline;gap:5px;
}
.stat__num em{font-style:normal;font-size:15px;color:var(--gold);-webkit-text-fill-color:var(--gold);font-weight:700;}
.stat__label{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.6;}

/* ---------- Benefit big cards ---------- */
.benefit-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px;
  height:100%;
  box-shadow:var(--sh1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(14,140,127,.25);}
.benefit-card__top{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.benefit-card__icon{
  width:52px;height:52px;border-radius:16px;flex-shrink:0;
  background:rgba(14,140,127,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:21px;
}
.benefit-card h3{margin:0;font-size:20px;}
.benefit-card p{color:var(--text-2);font-size:15px;margin-bottom:18px;}
.benefit-card .tag-row{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:5px 12px;border-radius:999px;
  background:var(--bg-alt);color:var(--ink-deep);border:1px solid rgba(14,140,127,.14);
}
.tag--solid{background:var(--brand-grad);color:#fff;border-color:transparent;}
.tag--warm{background:rgba(255,176,32,.14);color:#9A6200;border-color:rgba(255,176,32,.32);}

.benefit-list{margin:0 0 18px;padding:0;}
.benefit-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text-2);margin-bottom:9px;line-height:1.75;
}
.benefit-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--brand-grad);
}

/* ---------- Timeline / schedule ---------- */
.timeline-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh1);padding:34px 30px;
}
.track{
  height:10px;border-radius:999px;background:#E6EFEC;position:relative;overflow:hidden;margin:34px 0 6px;
}
.track__fill{
  position:absolute;left:0;top:0;bottom:0;width:62%;
  background:var(--brand-grad);border-radius:999px;
}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px;
}
.step{position:relative;padding-top:22px;}
.step::before{
  content:"";position:absolute;top:-4px;left:0;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid #CFE0DC;
}
.step.is-done::before{background:var(--brand);border-color:var(--brand);}
.step.is-current::before{
  background:var(--action);border-color:rgba(255,122,61,.35);
  box-shadow:0 0 0 6px rgba(255,122,61,.16);
}
.step__no{font-size:13px;color:var(--text-3);letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.step__title{font-size:16px;font-weight:600;color:var(--ink-deep);margin:4px 0 6px;}
.step__desc{font-size:14px;color:var(--text-2);line-height:1.7;margin:0;}

/* ---------- Split image block ---------- */
.split-media{
  border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh2);
  aspect-ratio:4/3;
  background:var(--bg-alt);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.04);}
.split-copy h2{margin-bottom:14px;}
.split-copy p{color:var(--text-2);max-width:780px;}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 22px;margin-top:20px;}
.check-item{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.7;}
.check-item i{color:var(--brand);margin-top:5px;}

/* ---------- Entry form card ---------- */
.entry-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh2);padding:30px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-deep);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;height:48px;padding:0 15px;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#FCFDFC;color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:110px;padding:13px 15px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(14,140,127,.25);
}
.field .hint{font-size:13px;color:var(--text-3);margin-top:7px;}
.field.is-error input{border-color:var(--action-2);}
.field.is-error .hint{color:var(--action-2);}

/* ---------- CTA dark ---------- */
.cta-block{
  position:relative;
  background:var(--ink-night);
  border-radius:var(--r-xl);
  border:1px solid rgba(53,214,164,.35);
  padding:38px 34px;
  overflow:hidden;
}
.cta-block::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(53,214,164,.22),transparent 72%);
}
.cta-block h2{color:#fff;margin-bottom:12px;}
.cta-block p{color:#A9C4BF;margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item.is-open{border-color:rgba(14,140,127,.3);box-shadow:var(--sh2);}
.faq-q{
  width:100%;background:none;border:none;
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink-deep);line-height:1.6;
}
.faq-q .no{
  font-size:13px;color:var(--brand);font-variant-numeric:tabular-nums;
  border:1px solid rgba(14,140,127,.28);border-radius:999px;
  padding:2px 10px;flex-shrink:0;
}
.faq-q .plus{
  margin-left:auto;color:var(--brand);font-size:16px;flex-shrink:0;
  transition:transform .26s ease;
}
.faq-item.is-open .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .34s ease;
}
.faq-a__inner{
  padding:0 24px 22px 66px;
  border-left:3px solid transparent;
  color:var(--text-2);font-size:15px;line-height:1.9;
}
.faq-a__inner p{margin:0;}
.faq-item.is-open .faq-a__inner{border-left:3px solid var(--brand);margin-left:24px;padding-left:20px;}

/* ---------- anchor nav (side) ---------- */
.anchor-nav{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;position:sticky;top:96px;box-shadow:var(--sh1);
}
.anchor-nav h4{font-size:15px;color:var(--ink-deep);margin-bottom:14px;}
.anchor-nav a{
  display:block;font-size:14.5px;color:var(--text-2);
  padding:9px 12px;border-radius:10px;border-left:3px solid transparent;
  transition:all .2s ease;
}
.anchor-nav a:hover{color:var(--brand);background:rgba(14,140,127,.06);border-left-color:var(--brand-2);}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;
  background:var(--ink-night);
  color:#A9C4BF;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
}
.site-footer .brand__main{color:#fff;}
.site-footer .brand__sub{color:#7FA39E;}
.footer-brand p{font-size:14px;line-height:1.9;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:#A9C4BF;}
.footer-col ul a:hover{color:var(--brand-2);}
.footer-col p{font-size:14px;line-height:1.9;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13.5px;margin:0;color:#7FA39E;}
.to-top{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  color:#D9E7E4;font-size:13.5px;padding:9px 16px;border-radius:999px;
  transition:all .22s ease;
}
.to-top:hover{background:var(--brand-grad);color:#fff;border-color:transparent;transform:translateY(-2px);}

/* ---------- Foundation overrides ---------- */
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px;}
.grid-margin-y{margin-top:-12px;margin-bottom:-12px;}
.grid-margin-y>.cell{margin-top:12px;margin-bottom:12px;}
.button{background:var(--brand-grad);border-radius:var(--r-btn);font-family:inherit;}
.button.secondary{background:var(--action-grad);}
.callout{background:var(--bg-alt);border:none;border-radius:var(--r-lg);color:var(--text-2);}
.accordion{border:none;background:transparent;}
.accordion-item{border:none;}
.progress{height:10px;border-radius:999px;background:#E6EFEC;border:none;}
.progress-meter{background:var(--brand-grad);border-radius:999px;}

/* ---------- Responsive ---------- */
@media screen and (min-width:1440px){
  .container{max-width:1280px;}
  .section{padding:110px 0;}
  .benefit-card{padding:36px;}
}
@media screen and (min-width:1025px){
  .section{padding:96px 0;}
}
@media screen and (max-width:1024px){
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-menu{
    position:fixed;left:0;right:0;top:0;bottom:0;
    background:#F7F8F5;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:96px 24px 40px;gap:4px;
    transform:translateX(100%);
    transition:transform .3s ease;
    z-index:55;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{
    min-height:52px;display:flex;align-items:center;
    font-size:17px;padding:14px 16px;border-radius:14px;
  }
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{background:rgba(14,140,127,.1);color:var(--brand);}
  .nav-menu::after{
    content:"进入登陆入口";
    display:block;margin-top:20px;text-align:center;
    padding:16px;border-radius:999px;color:#fff;font-weight:600;
    background:var(--action-grad);box-shadow:0 12px 24px rgba(255,94,77,.28);
  }
  .nav-menu.is-open::after{cursor:pointer;}
  .stats-card{margin-top:-36px;}
  .stat{border-right:none;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:none;}
  .steps{grid-template-columns:repeat(2,1fr);gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .anchor-nav{position:static;margin-bottom:24px;}
}
@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .page-hero{padding:44px 0 60px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .check-grid{grid-template-columns:1fr;}
  .cta-block{padding:30px 24px;}
  .cta-actions{width:100%;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a__inner{padding-left:18px;padding-right:18px;}
  .faq-item.is-open .faq-a__inner{margin-left:18px;padding-left:16px;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .brand__mark{width:36px;height:36px;border-radius:11px;font-size:18px;}
  .brand__main{font-size:15px;}
  .brand__sub{font-size:10.5px;letter-spacing:.12em;}
  .nav-bar{height:60px;}
  .stats-card{padding:22px 16px;}
  .stat{padding:12px 4px;}
  .steps{grid-template-columns:1fr;}
  .benefit-card{padding:22px;}
  .timeline-wrap{padding:24px 18px;}
  .split-media{aspect-ratio:16/10;}
  .entry-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
  --brand:#0E8C7F;
  --brand-2:#35D6A4;
  --brand-grad:linear-gradient(120deg,#0E8C7F 0%,#35D6A4 100%);
  --ink-deep:#0B4F4A;
  --near-black:#08201E;
  --accent:#FF7A3D;
  --accent-grad:linear-gradient(135deg,#FF8A3D 0%,#FF5E4D 100%);
  --gold:#FFB020;
  --text:#13211F;
  --text-2:#5C6E6B;
  --text-3:#8A9995;
  --line:#E2EAE7;
  --bg:#F7F8F5;
  --bg-alt:#EEF5F2;
  --white:#ffffff;
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-input:12px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(11,79,74,.06);
  --sh-2:0 12px 32px rgba(11,79,74,.10);
  --sh-3:0 22px 48px rgba(11,79,74,.16);
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);overflow-x:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
a{color:var(--ink-deep);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;border-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
body.nav-open{overflow:hidden}
[id]{scroll-margin-top:104px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media (min-width:1440px){:root{--container:1280px}}
@media (max-width:640px){.container{padding:0 20px}}

/* 头部与导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,248,245,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .28s ease,box-shadow .28s ease}
.site-header.is-scrolled{background:var(--white);box-shadow:var(--sh-1)}
.nav-bar{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand__mark{width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;box-shadow:0 6px 16px rgba(14,140,127,.28)}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__main{font-size:16px;font-weight:700;color:var(--ink-deep);letter-spacing:.02em}
.brand__sub{font-size:11px;color:var(--text-2);letter-spacing:.18em}
.nav-menu{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav-menu a{position:relative;padding:10px 12px;font-size:15px;color:var(--text-2);text-decoration:none;border-radius:8px}
.nav-menu a::after{content:"";position:absolute;left:20%;right:20%;bottom:2px;height:3px;border-radius:3px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left center;transition:transform .24s ease}
.nav-menu a:hover{color:var(--ink-deep)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--ink-deep);font-weight:600}
.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:20px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-deep);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease,color .22s ease}
.btn--primary{background:var(--accent-grad);color:#fff;box-shadow:0 10px 24px rgba(255,94,77,.28)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,94,77,.34);color:#fff}
.btn--primary:active{transform:translateY(1px)}
.btn--brand{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(14,140,127,.24)}
.btn--brand:hover{filter:brightness(1.05);transform:translateY(-2px);color:#fff}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);transform:translateY(-2px);color:#fff}
.btn--outline{background:var(--white);border-color:var(--line);color:var(--ink-deep)}
.btn--outline:hover{border-color:rgba(14,140,127,.5);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn--sm{height:42px;padding:0 18px;font-size:14px}

/* 通用板块 */
.section{padding:96px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:64px 0}
.section-head{max-width:820px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--brand);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-grad)}
.sec-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;color:var(--ink-deep);letter-spacing:-.01em}
.lead{color:var(--text-2);font-size:16.5px;line-height:1.85;max-width:780px;margin-top:16px}

/* Hero */
.page-hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:320px;padding:76px 0 68px;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center 28%}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(8,32,30,.95) 0%,rgba(11,79,74,.88) 46%,rgba(11,79,74,.42) 100%)}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(53,214,164,.25) 1px,transparent 1px);background-size:22px 22px;opacity:.45;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 65%);mask-image:linear-gradient(90deg,transparent 0%,#000 65%)}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--brand-2)}
.crumb .sep{opacity:.45}
.crumb .current{color:var(--brand-2)}
.page-hero h1{color:#fff;font-size:clamp(28px,4.2vw,48px);line-height:1.15;font-weight:700;letter-spacing:-.01em;max-width:900px}
.page-hero .sub{color:rgba(255,255,255,.78);font-size:17px;line-height:1.85;margin-top:18px;max-width:720px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff}
.tag--brand{background:rgba(53,214,164,.16);border-color:rgba(53,214,164,.42);color:#A8F3DA}

/* 栅格兜底 */
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%;max-width:100%;margin-bottom:24px}
.grid-x.align-middle{align-items:center}
@media (min-width:640px){
  .medium-6{flex:0 0 50%;max-width:50%}
  .medium-12{flex:0 0 100%;max-width:100%}
}
@media (min-width:1024px){
  .large-3{flex:0 0 25%;max-width:25%}
  .large-4{flex:0 0 33.3333%;max-width:33.3333%}
  .large-5{flex:0 0 41.6667%;max-width:41.6667%}
  .large-6{flex:0 0 50%;max-width:50%}
  .large-7{flex:0 0 58.3333%;max-width:58.3333%}
  .large-12{flex:0 0 100%;max-width:100%}
}

/* 图片卡 */
.figure{margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--white)}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .45s ease}
.figure:hover img{transform:scale(1.04)}
.figure--wide img{aspect-ratio:16/10}

/* 核查清单 */
.check-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list .num{flex:0 0 32px;height:32px;border-radius:10px;background:var(--bg-alt);color:var(--brand);display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:3px}
.check-list h3{font-size:18px;font-weight:600;color:var(--ink-deep);margin-bottom:6px}
.check-list p{color:var(--text-2);font-size:15px}

/* FAQ 布局 */
.faq-layout{display:grid;grid-template-columns:268px minmax(0,1fr);gap:40px;align-items:start}
.faq-nav{position:sticky;top:104px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 16px;box-shadow:var(--sh-1)}
.faq-nav h2{font-size:15px;font-weight:600;color:var(--ink-deep);padding:0 12px 12px;border-bottom:1px solid var(--line);margin-bottom:10px}
.faq-nav a{display:block;padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--text-2);border-left:3px solid transparent}
.faq-nav a:hover{background:var(--bg-alt);color:var(--ink-deep)}
.faq-nav a.is-current{background:var(--bg-alt);color:var(--ink-deep);font-weight:600;border-left-color:var(--brand)}
.faq-nav .hint{margin-top:14px;padding:14px 12px 4px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.8}

.faq-group{margin-bottom:48px}
.faq-group:last-child{margin-bottom:0}
.faq-group__title{position:relative;font-size:22px;font-weight:700;color:var(--ink-deep);padding-left:16px;margin-bottom:12px;line-height:1.4}
.faq-group__title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:var(--brand-grad)}
.faq-group__desc{color:var(--text-2);font-size:15px;margin-bottom:20px;padding-left:16px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-img);margin-bottom:12px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item:hover{border-color:rgba(14,140,127,.3);box-shadow:var(--sh-1)}
.faq-item.is-open{border-color:rgba(14,140,127,.4);box-shadow:var(--sh-2)}
.faq-q{display:flex;align-items:flex-start;gap:14px;width:100%;background:none;border:0;padding:18px 20px;text-align:left;cursor:pointer;font-size:17px;font-weight:600;color:var(--text);line-height:1.6;transition:color .2s ease}
.faq-q:hover{color:var(--ink-deep)}
.faq-q .idx{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;padding-top:4px}
.plus{position:relative;flex:0 0 24px;width:24px;height:24px;margin-left:auto;border-radius:50%;border:1px solid rgba(14,140,127,.35);display:grid;place-items:center;transition:transform .3s ease,background .3s ease,border-color .3s ease;margin-top:2px}
.plus::before,.plus::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:background .3s ease}
.plus::before{width:10px;height:2px}
.plus::after{width:2px;height:10px}
.faq-item.is-open .plus{transform:rotate(45deg);background:var(--brand-grad);border-color:transparent}
.faq-item.is-open .plus::before,.faq-item.is-open .plus::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a-inner{padding:0 22px 20px 58px}
.faq-a-inner p{color:var(--text-2);font-size:15.5px;line-height:1.9;border-left:3px solid var(--brand);padding-left:14px}
.faq-a-inner p + p{margin-top:12px}
.faq-a-inner strong{color:var(--ink-deep);font-weight:600}

/* 数据说明 */
.stat-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-md);padding:28px 22px;transition:transform .25s ease,box-shadow .25s ease}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat__num{font-size:clamp(28px,3.4vw,40px);font-weight:700;line-height:1;color:var(--ink-deep);font-variant-numeric:tabular-nums}
.stat__num span{font-size:15px;font-weight:600;color:var(--brand);margin-left:4px}
.stat h3{margin-top:14px;font-size:16px;font-weight:600;color:var(--ink-deep)}
.stat p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75}

/* CTA */
.cta-band{position:relative;overflow:hidden;background:var(--near-black);border:1px solid rgba(53,214,164,.28);border-radius:var(--r-lg);padding:48px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;box-shadow:var(--sh-3)}
.cta-band::before{content:"";position:absolute;width:460px;height:460px;right:-150px;top:-200px;background:radial-gradient(circle,rgba(53,214,164,.3),transparent 68%);pointer-events:none}
.cta-band::after{content:"";position:absolute;left:-60px;bottom:-140px;width:320px;height:320px;background:radial-gradient(circle,rgba(255,122,61,.18),transparent 70%);pointer-events:none}
.cta-band h2{position:relative;color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.cta-band p{position:relative;color:rgba(255,255,255,.72);font-size:15.5px;margin-top:14px;max-width:560px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.site-footer{background:var(--near-black);color:rgba(255,255,255,.72);border-radius:24px 24px 0 0;padding:68px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand__main{color:#fff}
.footer-brand .brand__sub{color:rgba(255,255,255,.6)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px}
.footer-col a:hover{color:var(--brand-2)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
.to-top{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:10px;padding:8px 16px;font-size:13px;cursor:pointer;transition:background .22s ease,border-color .22s ease}
.to-top:hover{background:rgba(53,214,164,.2);border-color:rgba(53,214,164,.5)}

/* 响应式 */
@media (max-width:1080px){
  .nav-menu{position:fixed;left:0;right:0;top:60px;bottom:0;background:var(--white);flex-direction:column;align-items:stretch;gap:4px;padding:20px 20px 120px;margin:0;transform:translateY(-10px);opacity:0;visibility:hidden;transition:opacity .26s ease,transform .26s ease,visibility .26s;overflow-y:auto;z-index:62;border-top:1px solid var(--line)}
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none}
  .nav-menu a{height:52px;display:flex;align-items:center;font-size:16px;padding:0 14px;border-radius:12px}
  .nav-menu a::after{display:none}
  .nav-menu a.is-active{background:var(--bg-alt);color:var(--ink-deep)}
  .nav-cta{display:none}
  .nav-menu.is-open ~ .nav-cta{display:block;position:fixed;left:20px;right:20px;bottom:26px;margin:0;z-index:64}
  .nav-menu.is-open ~ .nav-cta .btn{width:100%}
  .nav-toggle{display:flex}
  .nav-bar{height:60px}
  .site-header{background:var(--white)}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .faq-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;border-radius:var(--r-img);-webkit-overflow-scrolling:touch}
  .faq-nav h2{display:none}
  .faq-nav a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;border-radius:10px;padding:8px 14px}
  .faq-nav a.is-current{border-left:0;border-bottom-color:var(--brand)}
  .faq-nav .hint{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:32px;gap:24px}
  .faq-a-inner{padding:0 18px 18px 22px}
}
@media (max-width:640px){
  .section{padding:56px 0}
  .page-hero{padding:56px 0 52px;min-height:280px}
  .page-hero .sub{font-size:15.5px}
  .faq-q{font-size:16px;padding:16px}
  .faq-a-inner{padding:0 16px 16px 16px}
  .faq-a-inner p{font-size:15px;padding-left:12px}
  .stat-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .check-list li{gap:12px}
  .brand__sub{letter-spacing:.12em}
}