/* roulang page: index */
:root{
  --brand-900:#072A20;--brand-700:#0F3D2E;--brand-500:#1B6B4F;--brand-200:#CDE7DC;
  --accent-500:#FF5A1F;--accent-600:#E8430C;--lime-400:#C8F135;
  --ink-900:#10201A;--ink-600:#4C5C55;--ink-400:#8C9A93;
  --line:#E4E1D8;--bg:#F7F5EF;--surface:#FFFFFF;
  --r-card:14px;--r-img:12px;--r-btn:10px;
  --sh-1:0 1px 2px rgba(7,42,32,.06),0 10px 24px -12px rgba(7,42,32,.14);
  --sh-2:0 2px 4px rgba(7,42,32,.08),0 18px 38px -14px rgba(7,42,32,.22);
  --gap:24px;--wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;line-height:1.8;font-weight:400;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
::selection{background:var(--brand-200);color:var(--brand-900);}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section--sand{background:var(--bg);}
.section--white{background:var(--surface);}
.section--dark{background:var(--brand-900);color:#fff;position:relative;}
.section--dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 2px,transparent 2px 9px);
}
.section--dark > .wrap{position:relative;z-index:1;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.5px;
  color:var(--brand-700);background:var(--brand-200);border-radius:6px;padding:5px 10px;margin-bottom:14px;
}
.section--dark .eyebrow{background:rgba(255,255,255,.12);color:#fff;}
.h1{font-size:44px;line-height:1.28;font-weight:700;letter-spacing:.8px;}
.h2{font-size:32px;line-height:1.32;font-weight:700;letter-spacing:.6px;}
.h3{font-size:22px;line-height:1.4;font-weight:600;letter-spacing:.4px;}
.lead{font-size:17px;line-height:1.75;color:var(--ink-600);max-width:740px;}
.section--dark .lead{color:rgba(255,255,255,.76);}
.link-more{font-size:15px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:8px;}
.link-more:hover{color:var(--accent-600);}
.link-more i{font-size:13px;}

/* 公告条 */
.announce{background:var(--brand-900);color:rgba(255,255,255,.86);font-size:13px;line-height:1;}
.announce__row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;overflow:hidden;}
.announce__track{overflow:hidden;flex:1;height:16px;position:relative;}
.announce__track span{
  position:absolute;white-space:nowrap;top:0;left:0;display:inline-block;
  animation:marquee 26s linear infinite;
}
.announce__track span i{color:var(--lime-400);margin-right:6px;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.announce__side{display:flex;align-items:center;gap:18px;white-space:nowrap;}
.announce__side a{color:rgba(255,255,255,.86);}
.announce__side a:hover{color:#fff;}

/* 导航 */
.site-head{position:sticky;top:0;z-index:60;background:var(--surface);transition:box-shadow .2s ease;}
.site-head.is-scrolled{box-shadow:0 1px 0 var(--line),0 12px 26px -18px rgba(7,42,32,.35);}
.nav{background:var(--surface);border-bottom:1px solid var(--line);}
.nav__row{
  display:grid;grid-template-columns:auto minmax(260px,1fr) auto;align-items:center;gap:24px;
  padding-top:18px;padding-bottom:14px;transition:padding .2s ease;
}
.site-head.is-scrolled .nav__row{padding-top:10px;padding-bottom:10px;}
.nav__logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:.5px;white-space:nowrap;}
.nav__logo:hover{color:var(--brand-700);}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand-700);position:relative;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
}
.logo-mark::before{
  content:"";width:14px;height:14px;border:2px solid var(--lime-400);border-radius:50%;
}
.logo-mark::after{
  content:"";position:absolute;right:7px;bottom:7px;width:8px;height:2px;background:var(--accent-500);border-radius:2px;
}
.search{
  display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:5px 5px 5px 18px;max-width:560px;width:100%;justify-self:center;transition:border-color .2s ease,box-shadow .2s ease;
}
.search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(27,107,79,.14);}
.search i{color:var(--ink-400);font-size:14px;}
.search input{flex:1;border:0;background:transparent;height:38px;min-width:0;font-size:15px;outline:none;}
.search input::placeholder{color:var(--ink-400);}
.search__btn{
  border:0;background:var(--brand-700);color:#fff;font-weight:600;font-size:15px;height:38px;padding:0 22px;
  border-radius:999px;transition:background .18s ease,transform .18s ease;flex:none;
}
.search__btn:hover{background:var(--brand-500);}
.search__btn:active{transform:translateY(1px);}
.nav__actions{display:flex;align-items:center;gap:10px;}
.nav__chips{border-top:1px solid var(--line);}
.chips{
  display:flex;gap:8px;overflow-x:auto;padding:10px 0 12px;scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:none;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-600);font-size:15px;font-weight:500;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.chip:hover{color:var(--brand-700);border-color:var(--brand-200);background:#F9FBF8;}
.chip.is-active{color:var(--brand-700);font-weight:600;border-color:var(--brand-200);background:var(--brand-200);position:relative;}
.chip.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-6px;width:20px;height:3px;
  border-radius:2px;background:var(--accent-500);
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;
  border-radius:var(--r-btn);font-size:16px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn--primary{background:var(--accent-500);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-200);}
.btn--ghost:hover{background:rgba(27,107,79,.08);color:var(--brand-700);}
.btn--ghost:active{transform:translateY(1px);}
.btn--dark{background:var(--brand-700);color:#fff;}
.btn--dark:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);}
.btn--onDark{background:var(--accent-500);color:#fff;}
.btn--onDark:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn--wide{width:100%;}

/* Hero */
.hero{position:relative;background:var(--brand-900);color:#fff;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,42,32,.94) 0%,rgba(7,42,32,.86) 42%,rgba(7,42,32,.55) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero__inner{position:relative;z-index:1;padding:80px 0 88px;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero__badge .dot{width:8px;height:8px;border-radius:50%;background:var(--lime-400);box-shadow:0 0 0 4px rgba(200,241,53,.18);}
.hero h1{font-size:44px;line-height:1.28;font-weight:700;letter-spacing:.8px;margin-bottom:18px;}
.hero__sub{font-size:18px;line-height:1.7;color:rgba(255,255,255,.78);max-width:600px;margin-bottom:30px;}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px;}
.hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.06);}
.hero .btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:1px solid rgba(255,255,255,.16);padding-top:24px;}
.stat__num{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.5px;color:#fff;}
.stat__num em{font-style:normal;font-size:14px;font-weight:500;color:rgba(255,255,255,.7);margin-left:3px;}
.stat__label{font-size:13px;color:rgba(255,255,255,.62);margin-top:4px;}
.hero__media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 50px -24px rgba(0,0,0,.6);
}
.hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero__media-cap{
  background:var(--brand-700);color:rgba(255,255,255,.8);font-size:13px;padding:12px 16px;
  display:flex;align-items:center;gap:8px;
}
.hero__media-cap i{color:var(--lime-400);}

/* 阶梯 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:start;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 24px;
  box-shadow:var(--sh-1);position:relative;transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step:nth-child(2){margin-top:16px;}
.step:nth-child(3){margin-top:32px;}
.step:nth-child(4){margin-top:48px;}
.step__no{
  font-size:44px;font-weight:700;line-height:1;letter-spacing:-1px;color:transparent;
  -webkit-text-stroke:1.5px var(--brand-200);margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.step p{font-size:15px;line-height:1.75;color:var(--ink-600);margin-bottom:18px;}
.bar{height:6px;border-radius:999px;background:#EFEDE5;overflow:hidden;}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-500),var(--accent-500));}
.bar__label{font-size:12px;color:var(--ink-400);margin-top:8px;font-variant-numeric:tabular-nums;}

/* 方案对比 */
.plans{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.plans__grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);}
.plans__col{padding:26px 22px;border-left:1px solid var(--line);}
.plans__col:first-child{border-left:0;background:#FBF9F4;}
.plans__head{font-size:15px;font-weight:600;color:var(--brand-700);}
.plans__row-label{font-size:15px;color:var(--ink-600);padding:14px 0;border-top:1px dashed var(--line);}
.plan{padding:30px 22px 34px;border-left:1px solid var(--line);position:relative;}
.plan--rec{background:#FCFAF5;box-shadow:inset 0 0 0 2px var(--accent-500);}
.plan__tag{
  position:absolute;top:0;right:0;background:var(--accent-500);color:#fff;font-size:12px;font-weight:600;
  padding:5px 12px;border-bottom-left-radius:10px;
}
.plan__name{font-size:16px;font-weight:600;color:var(--ink-900);margin-bottom:6px;}
.plan__num{font-size:40px;font-weight:700;color:var(--accent-500);letter-spacing:-1px;font-variant-numeric:tabular-nums;line-height:1.1;}
.plan__num em{font-style:normal;font-size:15px;font-weight:600;color:var(--ink-600);margin-left:4px;letter-spacing:0;}
.plan__desc{font-size:14px;color:var(--ink-400);margin:8px 0 18px;line-height:1.7;}
.plan__list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-600);padding:9px 0;border-top:1px dashed var(--line);line-height:1.7;}
.plan__list li i{color:var(--brand-500);background:var(--lime-400);border-radius:50%;width:18px;height:18px;flex:none;display:inline-flex;align-items:center;justify-content:center;font-size:10px;color:var(--brand-900);margin-top:5px;}
.plan__list li.is-off{color:var(--ink-400);}
.plan__list li.is-off i{background:#E7E4DB;color:var(--ink-400);}

/* 限时入口 */
.flash{display:grid;grid-template-columns:1.4fr auto auto;gap:32px;align-items:center;}
.flash h2{color:#fff;margin-bottom:10px;}
.flash p{color:rgba(255,255,255,.74);font-size:16px;line-height:1.75;max-width:620px;}
.countdown{display:flex;align-items:center;gap:8px;}
.cd-unit{
  min-width:74px;text-align:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:12px;padding:12px 8px;
}
.cd-unit strong{display:block;font-size:30px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.5px;color:#fff;}
.cd-unit span{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:6px;}
.cd-sep{color:rgba(255,255,255,.35);font-size:22px;font-weight:700;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card__link{display:block;color:inherit;height:100%;}
.card__link:hover{color:inherit;}
.card__media{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.card__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card__media img{transform:scale(1.03);}
.card__media .badge{position:absolute;left:12px;top:12px;}
.badge{
  display:inline-flex;align-items:center;border-radius:6px;font-size:12px;font-weight:600;
  padding:4px 9px;background:var(--brand-200);color:var(--brand-900);line-height:1.4;
}
.card__body{padding:20px 20px 22px;}
.card__body .h3{font-size:18px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__sum{
  font-size:15px;line-height:1.7;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:3;
  -webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;
}
.card__meta{font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:7px;}
.card--wide{grid-column:span 2;}
.card--wide .card__media img{aspect-ratio:16/9;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);text-align:center;
  padding:64px 24px;
}
.empty-state i{font-size:30px;color:var(--brand-200);}
.empty-state p{color:var(--ink-400);margin:14px 0 20px;font-size:15px;}

/* FAQ */
.faq{max-width:860px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:box-shadow .18s ease;}
.faq-item.is-open{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  background:none;border:0;padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink-900);
}
.faq-q .icon{
  width:26px;height:26px;border-radius:50%;background:var(--brand-200);color:var(--brand-700);flex:none;
  display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease,background .2s ease,color .2s ease;
  font-size:13px;
}
.faq-item.is-open .faq-q .icon{transform:rotate(180deg);background:var(--accent-500);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 22px 22px;font-size:16px;line-height:1.8;color:var(--ink-600);}

/* 表单 */
.form-shell{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:32px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.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-900);}
.input,.select,.textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;padding:0 14px;height:44px;
  font-size:15px;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.textarea{height:auto;padding:12px 14px;min-height:112px;line-height:1.7;resize:vertical;}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(27,107,79,.14);}
.radio-chips{display:flex;flex-wrap:wrap;gap:10px;}
.radio-chips label{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:14px;font-weight:500;color:var(--ink-600);cursor:pointer;transition:all .18s ease;min-height:44px;
}
.radio-chips input{accent-color:var(--brand-500);}
.radio-chips label:hover{border-color:var(--brand-200);background:#F9FBF8;}
.radio-chips label:has(input:checked){border-color:var(--brand-500);background:var(--brand-200);color:var(--brand-900);font-weight:600;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-top:6px;}
.checkbox-row input{margin-top:6px;accent-color:var(--brand-500);width:16px;height:16px;}
.checkbox-row span{font-size:13.5px;color:var(--ink-600);line-height:1.7;}
.form-note{font-size:13px;color:var(--ink-400);line-height:1.7;margin-top:14px;}
.form-tip{
  border:1px solid var(--brand-200);background:var(--brand-200);border-radius:12px;padding:14px 16px;font-size:14px;
  color:var(--brand-900);line-height:1.7;margin-top:20px;
}
.form-ok{display:none;background:var(--brand-200);border:1px solid var(--brand-500);color:var(--brand-900);border-radius:10px;padding:12px 14px;font-size:14.5px;margin-top:16px;}
.form-ok.is-visible{display:block;}
.service-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
.service-list li:last-child{border-bottom:0;}
.service-list i{width:38px;height:38px;border-radius:10px;background:var(--brand-200);color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;flex:none;font-size:15px;}
.service-list strong{display:block;font-size:16px;font-weight:600;margin-bottom:4px;}
.service-list span{font-size:14.5px;color:var(--ink-600);line-height:1.7;}

/* 页脚 */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;position:relative;}
.footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 2px,transparent 2px 9px);
}
.footer > .wrap{position:relative;z-index:1;}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer__brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer__brand .logo-mark{background:rgba(255,255,255,.1);}
.footer p{font-size:14.5px;line-height:1.8;}
.footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer__col li{margin-bottom:11px;}
.footer__col a{font-size:15px;color:rgba(255,255,255,.72);}
.footer__col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent-500);text-underline-offset:4px;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer__bottom a{color:rgba(255,255,255,.55);}
.footer__bottom a:hover{color:#fff;}

.to-top{
  position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:12px;border:0;background:var(--brand-700);
  color:#fff;display:none;align-items:center;justify-content:center;box-shadow:var(--sh-2);z-index:70;
}
.to-top.is-visible{display:inline-flex;}
.to-top:hover{background:var(--brand-500);}

@media (max-width:1199px){
  .hero__inner{grid-template-columns:6fr 6fr;gap:36px;padding:68px 0 76px;}
  .hero h1{font-size:38px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(3),.step:nth-child(4){margin-top:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .card--wide{grid-column:span 2;}
  .plans__grid{grid-template-columns:1fr 1fr 1fr;}
  .plans__col--label{display:none;}
  .plan{border-left:0;border-top:1px solid var(--line);}
}
@media (max-width:899px){
  .section{padding:64px 0;}
  .h1,.hero h1{font-size:30px;}
  .h2{font-size:24px;}
  .h3{font-size:19px;}
  body{font-size:16px;}
  .nav__row{grid-template-columns:1fr auto;grid-template-areas:"logo actions" "search search";gap:12px 16px;}
  .nav__logo{grid-area:logo;}
  .search{grid-area:search;max-width:none;justify-self:stretch;}
  .nav__actions{grid-area:actions;}
  .hero__inner{grid-template-columns:1fr;padding:56px 0 64px;}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:16px;}
  .hero__media{order:-1;}
  .flash{grid-template-columns:1fr;gap:24px;}
  .countdown{justify-content:flex-start;}
  .form-shell{grid-template-columns:1fr;gap:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
  .plans__grid{grid-template-columns:1fr;}
}
@media (max-width:639px){
  .wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .announce__side span:first-child{display:none;}
  .nav__actions .btn--ghost{display:none;}
  .steps{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .card--wide{grid-column:span 1;}
  .card--wide .card__media img{aspect-ratio:4/3;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .cd-unit{min-width:60px;}
  .cd-unit strong{font-size:24px;}
  .footer__grid{grid-template-columns:1fr;}
  .hero__cta .btn{width:100%;}
  .btn{min-height:44px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#072A20;
  --brand-700:#0F3D2E;
  --brand-500:#1B6B4F;
  --brand-200:#CDE7DC;
  --accent-500:#FF5A1F;
  --accent-600:#E8430C;
  --lime-400:#C8F135;
  --ink-900:#10201A;
  --ink-600:#4C5C55;
  --ink-400:#8C9A93;
  --line:#E4E1D8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(7,42,32,.06), 0 10px 24px -12px rgba(7,42,32,.14);
  --shadow-2:0 2px 4px rgba(7,42,32,.08), 0 18px 34px -14px rgba(7,42,32,.22);
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink-900);margin:0 0 .6em;line-height:1.3;font-weight:700;letter-spacing:.5px;}
h1{font-size:44px;line-height:1.25;letter-spacing:1px;}
h2{font-size:32px;line-height:1.28;}
h3{font-size:22px;line-height:1.35;font-weight:600;}
h4{font-size:18px;font-weight:600;letter-spacing:.5px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.5px;}
.sr-only{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:88px 0;}
.section--sand{background:var(--bg);}
.section--white{background:var(--surface);}
.section--dark{background:var(--brand-900);color:rgba(255,255,255,.86);}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff;}
.section--tint{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1px;
  color:var(--brand-700);
  background:var(--brand-200);
  border-radius:6px;
  padding:5px 12px;
  margin-bottom:18px;
  text-transform:none;
}
.eyebrow--accent{background:rgba(255,90,31,.12);color:var(--accent-600);}
.lead{font-size:18px;line-height:1.7;color:var(--ink-600);max-width:720px;}
.section-head{margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-600);max-width:720px;line-height:1.8;}

/* 公告条 */
.announce{background:var(--brand-900);color:rgba(255,255,255,.82);font-size:13px;}
.announce__row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px;}
.announce__track{display:flex;gap:48px;white-space:nowrap;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);}
.announce__track span{display:inline-flex;align-items:center;gap:8px;animation:marquee 26s linear infinite;}
.announce__track i{color:var(--accent-500);}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-52%);}}
.announce__side{display:flex;align-items:center;gap:20px;flex-shrink:0;}
.announce__side a{color:rgba(255,255,255,.82);}
.announce__side a:hover{color:#fff;}

/* 导航 */
.site-head{position:sticky;top:0;z-index:60;}
.nav{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-head.is-scrolled .nav{box-shadow:0 8px 22px -16px rgba(7,42,32,.5);}
.nav__row{display:flex;align-items:center;gap:24px;padding-top:16px;padding-bottom:16px;transition:padding .2s ease-out;}
.site-head.is-scrolled .nav__row{padding-top:9px;padding-bottom:9px;}
.nav__logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--brand-900);
  letter-spacing:.5px;white-space:nowrap;flex-shrink:0;
}
.nav__logo:hover{color:var(--brand-700);}
.logo-mark{
  width:24px;height:24px;border-radius:8px;flex-shrink:0;
  background:
    linear-gradient(135deg,var(--accent-500) 0 34%,transparent 34% 100%),
    repeating-linear-gradient(90deg,var(--brand-500) 0 3px,transparent 3px 7px),
    var(--brand-900);
  display:inline-block;
}
.search{
  flex:1 1 auto;max-width:520px;
  display:flex;align-items:center;gap:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 5px 5px 18px;
  transition:border-color .18s ease-out, box-shadow .18s ease-out;
}
.search i{color:var(--ink-400);font-size:14px;}
.search input{
  flex:1 1 auto;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--ink-900);height:36px;min-width:0;
}
.search input::placeholder{color:var(--ink-400);}
.search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(27,107,79,.14);}
.search__btn{
  border:0;cursor:pointer;
  background:var(--accent-500);color:#fff;
  font-size:14px;font-weight:600;letter-spacing:.5px;
  border-radius:999px;padding:9px 20px;
  transition:background-color .18s ease-out, transform .12s ease-out;
}
.search__btn:hover{background:var(--accent-600);}
.search__btn:active{transform:translateY(1px);}
.nav__actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav__chips{padding-bottom:12px;}
.site-head.is-scrolled .nav__chips{padding-bottom:8px;}
.chips{
  display:flex;gap:26px;overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;padding-bottom:2px;
  mask-image:linear-gradient(90deg,transparent,#000 2%,#000 98%,transparent);
}
.chips::-webkit-scrollbar{display:none;}
.chip{
  position:relative;
  font-size:15px;font-weight:600;color:var(--ink-600);
  padding:6px 0 10px;
}
.chip:hover{color:var(--brand-700);}
.chip.is-active{color:var(--brand-900);}
.chip.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:3px;
  background:var(--accent-500);border-radius:2px;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;letter-spacing:.5px;
  border-radius:var(--radius-btn);
  padding:12px 22px;border:1px solid transparent;
  cursor:pointer;transition:all .18s ease-out;
  text-align:center;line-height:1.4;
}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--primary{background:var(--accent-500);color:#fff;box-shadow:0 8px 18px -12px rgba(255,90,31,.9);}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -12px rgba(232,67,12,.95);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-500);}
.btn--ghost:hover{background:rgba(27,107,79,.08);color:var(--brand-900);transform:translateY(-1px);}
.btn--dark{background:var(--brand-900);color:#fff;}
.btn--dark:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn:focus-visible,.chip:focus-visible,.search__btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

/* 面包屑 */
.crumb{padding:20px 0 0;font-size:14px;color:var(--ink-400);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:var(--ink-400);}
.crumb a{color:var(--ink-600);}
.crumb a:hover{color:var(--brand-500);}
.crumb .is-current{color:var(--ink-900);font-weight:600;}

/* 分类页头 */
.cat-hero{
  background:
    repeating-linear-gradient(135deg,rgba(7,42,32,.035) 0 2px,transparent 2px 12px),
    var(--bg);
  border-bottom:1px solid var(--line);
  padding:52px 0 60px;
}
.cat-hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.cat-hero h1{font-size:42px;margin-bottom:16px;}
.cat-hero h1 em{font-style:normal;color:var(--brand-500);}
.cat-hero .lead{font-size:17px;max-width:560px;}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--ink-600);
  border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;background:var(--surface);
}
.tag i{color:var(--brand-500);}
.cat-hero__figure{
  border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  aspect-ratio:16/10;background:linear-gradient(160deg,var(--brand-500),var(--brand-700));
}
.cat-hero__figure img{width:100%;height:100%;object-fit:cover;}

/* 主体布局：左窄目录 + 右长列表 */
.layout{display:grid;grid-template-columns:268px minmax(0,1fr);gap:48px;align-items:start;}
.toc{
  position:sticky;top:112px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 22px 18px;
  box-shadow:var(--shadow-1);
}
.toc h2{font-size:15px;letter-spacing:1px;color:var(--ink-400);font-weight:600;margin-bottom:12px;}
.toc ol{counter-reset:toc;}
.toc li{counter-increment:toc;}
.toc a{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--ink-600);
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.toc li:last-child a{border-bottom:0;}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-variant-numeric:tabular-nums;
  font-size:12px;color:var(--brand-500);font-weight:600;
  padding-top:3px;
}
.toc a:hover{color:var(--brand-700);}

.entry-list{display:flex;flex-direction:column;gap:18px;}
.entry{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:92px minmax(0,1fr);gap:24px;
  transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
  scroll-margin-top:130px;
}
.entry:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-200);}
.entry__num{
  font-size:40px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--brand-200);
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
  padding-top:2px;
}
.entry h3{margin-bottom:10px;font-size:21px;}
.entry p{color:var(--ink-600);font-size:16px;line-height:1.8;margin-bottom:14px;}
.entry__link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-500);
}
.entry__link:hover{color:var(--accent-600);}
.entry__link i{font-size:12px;}
.entry__badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--brand-700);
  background:var(--brand-200);border-radius:6px;padding:3px 10px;
  margin-bottom:12px;
}

/* 要点清单 */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 32px;margin-top:8px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 22px;
  box-shadow:var(--shadow-1);
}
.check-item i{
  color:var(--brand-900);background:var(--lime-400);
  width:26px;height:26px;border-radius:8px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;margin-top:2px;
}
.check-item h4{margin-bottom:6px;font-size:16px;}
.check-item p{font-size:15px;color:var(--ink-600);line-height:1.75;margin:0;}

/* 深色窄 CTA 条 */
.cta-bar{background:var(--brand-900);color:rgba(255,255,255,.82);}
.cta-bar__row{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:34px 0;
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
}
.cta-bar strong{display:block;font-size:20px;color:#fff;margin-bottom:6px;letter-spacing:.5px;}
.cta-bar span{font-size:15px;}

/* FAQ */
.faq{max-width:860px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item summary{
  cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--brand-500);
  transition:transform .2s ease-out;line-height:1;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-item[open] summary{color:var(--brand-700);}
.faq-a{padding:0 26px 24px;color:var(--ink-600);font-size:16px;line-height:1.8;}

/* 页尾入口 */
.tail-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.tail-card{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px 26px;
  box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.tail-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.tail-card strong{display:block;font-size:17px;color:var(--ink-900);margin-bottom:4px;}
.tail-card span{font-size:14px;color:var(--ink-600);}
.tail-card i{color:var(--accent-500);font-size:18px;}

/* 页脚 */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:15px;}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:44px;}
.footer__brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:700;letter-spacing:.5px;margin-bottom:16px;
}
.footer p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer__col h4{color:#fff;font-size:15px;letter-spacing:1px;margin-bottom:16px;}
.footer__col li{margin-bottom:10px;}
.footer__col a{color:rgba(255,255,255,.72);font-size:15px;}
.footer__col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent-500);text-underline-offset:4px;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

@media (max-width:1199px){
  .layout{grid-template-columns:220px minmax(0,1fr);gap:32px;}
  .cat-hero__grid{gap:36px;}
}
@media (max-width:1023px){
  h1{font-size:34px;}
  .cat-hero h1{font-size:34px;}
  h2{font-size:26px;}
  .section{padding:64px 0;}
  .layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .toc{position:static;}
  .toc ol{display:flex;flex-wrap:wrap;gap:0 22px;}
  .toc li{flex:1 1 44%;}
  .toc a{border-bottom:1px dashed var(--line);}
  .cat-hero__grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cat-hero__figure{aspect-ratio:16/9;}
  .check-list{grid-template-columns:minmax(0,1fr);}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:899px){
  .nav__row{flex-wrap:wrap;gap:14px;}
  .search{order:3;flex:1 1 100%;max-width:100%;}
  .nav__actions{margin-left:auto;}
  .entry{grid-template-columns:74px minmax(0,1fr);padding:22px;gap:18px;}
  .entry__num{font-size:32px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .announce__side{display:none;}
  .nav__actions .btn--ghost{display:none;}
  .btn{width:100%;}
  .nav__actions{width:100%;}
  .nav__actions .btn{width:auto;}
  .cat-hero{padding:36px 0 44px;}
  .entry{grid-template-columns:minmax(0,1fr);}
  .entry__num{font-size:28px;-webkit-text-stroke:1.2px var(--brand-200);}
  .toc li{flex:1 1 100%;}
  .cta-bar__row{flex-direction:column;align-items:flex-start;}
  .cta-bar__row .btn{width:100%;}
  .tail-links{grid-template-columns:minmax(0,1fr);}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .faq-item summary{padding:18px 20px;font-size:16px;}
  .faq-a{padding:0 20px 20px;}
}

/* roulang page: article */
/* ================= 设计变量 ================= */
:root{
  --brand-900:#072A20;
  --brand-700:#0F3D2E;
  --brand-500:#1B6B4F;
  --brand-200:#CDE7DC;
  --accent-500:#FF5A1F;
  --accent-600:#E8430C;
  --lime-400:#C8F135;
  --ink-900:#10201A;
  --ink-600:#4C5C55;
  --ink-400:#8C9A93;
  --line:#E4E1D8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(7,42,32,.06);
  --sh-2:0 10px 24px -12px rgba(7,42,32,.14);
  --sh-3:0 16px 34px -14px rgba(7,42,32,.24);
  --wrap:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--surface);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
h1,h2,h3,h4{line-height:1.32;font-weight:700;letter-spacing:.5px}
::selection{background:var(--brand-200);color:var(--brand-900)}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
/* ================= 公告条 ================= */
.announce{background:var(--brand-900);color:rgba(255,255,255,.78);font-size:13px;line-height:1.6}
.announce__row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:40px}
.announce__track{display:flex;gap:56px;overflow:hidden;white-space:nowrap;flex:1}
.announce__track span{display:inline-flex;align-items:center;gap:8px}
.announce__track i{color:var(--lime-400)}
.announce__side{display:flex;align-items:center;gap:20px;white-space:nowrap}
.announce__side a{color:rgba(255,255,255,.88);transition:color .18s ease-out}
.announce__side a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent-500);text-underline-offset:4px}
/* ================= 顶部导航 ================= */
.site-head{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.nav__row{
  display:flex;align-items:center;gap:24px;
  height:82px;
  transition:height .22s ease-out;
}
.site-head.is-compact .nav__row{height:60px}
.nav__logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:.6px;
  color:var(--brand-900);white-space:nowrap;flex:0 0 auto;
}
.logo-mark{
  position:relative;flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.logo-mark::after{
  content:"";position:absolute;left:5px;right:5px;top:50%;
  height:2px;border-radius:2px;background:var(--lime-400);
  transform:translateY(-50%);
  box-shadow:0 -6px 0 -0.5px var(--accent-500),0 6px 0 -0.5px rgba(255,255,255,.8);
}
.search{
  flex:1 1 auto;max-width:520px;margin:0 auto;
  display:flex;align-items:center;gap:10px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 5px 5px 18px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.search:focus-within{
  border-color:var(--brand-500);
  background:var(--surface);
  box-shadow:0 0 0 4px rgba(27,107,79,.14);
}
.search i{color:var(--ink-400);font-size:14px}
.search input{
  flex:1 1 auto;min-width:0;
  border:0;background:transparent;outline:none;
  height:36px;font-size:15px;color:var(--ink-900);
}
.search input::placeholder{color:var(--ink-400)}
.search__btn{
  flex:0 0 auto;border:0;cursor:pointer;
  background:var(--accent-500);color:#fff;
  font-size:14px;font-weight:600;
  padding:9px 20px;border-radius:999px;
  transition:background .18s ease-out,transform .18s ease-out;
}
.search__btn:hover{background:var(--accent-600)}
.search__btn:active{transform:translateY(1px)}
.nav__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav__chips{padding-bottom:6px}
.chips{
  display:flex;gap:6px;overflow-x:auto;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  position:relative;flex:0 0 auto;
  padding:9px 14px;font-size:15px;color:var(--ink-600);
  border-radius:8px;
  transition:color .18s ease-out,background .18s ease-out;
}
.chip:hover{color:var(--brand-700);background:var(--bg)}
.chip.is-active{color:var(--brand-700);font-weight:600}
.chip.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;
  height:3px;border-radius:3px;background:var(--accent-500);
}
/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.3;
  cursor:pointer;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn--primary{background:var(--accent-500);color:#fff}
.btn--primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 10px 20px -10px rgba(232,67,12,.6)}
.btn--ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-500)}
.btn--ghost:hover{background:rgba(27,107,79,.08)}
.btn--dark{background:var(--brand-900);color:#fff}
.btn--dark:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--light{background:#fff;color:var(--brand-900)}
.btn--light:hover{background:var(--brand-200)}
.btn--sm{padding:9px 16px;font-size:14px}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
/* ================= 通用栅格 ================= */
.shell{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:56px;
  justify-content:center;
  align-items:start;
}
/* ================= 面包屑与文章头 ================= */
.article-hero{
  background:var(--bg);
  border-bottom:1px solid var(--line);
  padding:26px 0 38px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-400);
}
.breadcrumb a{color:var(--ink-600);transition:color .18s ease-out}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:var(--ink-400)}
.breadcrumb .current{color:var(--ink-600);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(26px,3.4vw,36px);
  line-height:1.32;
  letter-spacing:.6px;
  margin:16px 0 18px;
  color:var(--ink-900);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  font-size:13.5px;color:var(--ink-400);
  font-variant-numeric:tabular-nums;
}
.meta-row i{color:var(--ink-400);margin-right:6px}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-badge);
  background:var(--brand-200);color:var(--brand-900);
  font-size:12px;font-weight:600;letter-spacing:.3px;
}
.badge--accent{background:rgba(255,90,31,.12);color:var(--accent-600)}
/* ================= 正文区 ================= */
.article-section{padding:52px 0 88px;background:var(--surface)}
.article-main{min-width:0}
.article-figure{margin-bottom:34px}
.article-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
}
.article-figure figcaption{
  margin-top:12px;text-align:center;
  font-size:13px;color:var(--ink-400);line-height:1.7;
}
.article-body{font-size:17px;line-height:1.85;color:var(--ink-900)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  font-size:clamp(21px,2.4vw,28px);
  line-height:1.35;letter-spacing:.5px;
  margin:2em 0 .85em;
  padding-left:14px;
  position:relative;
  scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;
  width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--accent-500),var(--brand-500));
}
.article-body h3{
  font-size:20px;line-height:1.4;
  margin:1.5em 0 .7em;
  scroll-margin-top:110px;
}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.55em;line-height:1.8}
.article-body ul li::marker{color:var(--accent-500)}
.article-body ol li::marker{color:var(--brand-500);font-weight:600}
.article-body strong{font-weight:600;color:var(--brand-900)}
.article-body a{color:var(--brand-500);text-decoration:underline;text-decoration-color:rgba(27,107,79,.4);text-underline-offset:3px}
.article-body a:hover{color:var(--accent-600);text-decoration-color:var(--accent-500)}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 24px;
  background:var(--bg);
  border-left:3px solid var(--brand-500);
  border-radius:0 12px 12px 0;
  color:var(--ink-600);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-card);border:1px solid var(--line);margin:1.4em auto}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--brand-700);color:#fff;
  font-weight:600;text-align:left;
  padding:13px 16px;letter-spacing:.3px;
}
.article-body tbody td{
  padding:12px 16px;border-top:1px solid var(--line);
  color:var(--ink-600);line-height:1.7;
}
.article-body tbody tr:nth-child(even) td{background:var(--bg)}
.article-body code{
  font-family:var(--mono);font-size:.92em;
  background:var(--bg);border:1px solid var(--line);
  padding:2px 6px;border-radius:6px;
}
/* 空文章 */
.article-empty{
  text-align:center;
  padding:56px 28px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-card);
}
.article-empty i{font-size:34px;color:var(--brand-500);margin-bottom:16px;display:block}
.article-empty h2{font-size:22px;margin-bottom:12px}
.article-empty p{color:var(--ink-600);margin-bottom:22px;font-size:15.5px}
/* 标签与继续阅读 */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:44px 0 0;padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:14px;color:var(--ink-400);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 15px;border-radius:999px;
  border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-600);
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--bg)}
.read-next{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  margin-top:32px;
}
.read-next a{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.read-next a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-200)}
.read-next .kicker{font-size:13px;color:var(--accent-600);font-weight:600;display:flex;align-items:center;gap:8px}
.read-next .title{font-size:16.5px;font-weight:600;color:var(--ink-900);line-height:1.5}
.read-next .desc{font-size:14px;color:var(--ink-600);line-height:1.7}
/* ================= 侧栏 ================= */
.article-aside{
  position:sticky;top:110px;
  display:flex;flex-direction:column;gap:18px;
  align-self:start;
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px;
}
.side-title{
  font-size:15px;font-weight:600;color:var(--brand-900);
  margin-bottom:14px;padding-bottom:12px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
}
.side-title i{color:var(--brand-500);font-size:13px}
.toc{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc a{
  display:block;
  padding:8px 10px;border-radius:8px;
  font-size:14px;line-height:1.5;color:var(--ink-600);
  transition:background .18s ease-out,color .18s ease-out;
}
.toc a.is-sub{padding-left:22px;font-size:13.5px;color:var(--ink-400)}
.toc a:hover{background:var(--bg);color:var(--brand-700)}
.toc a.is-current{background:var(--brand-200);color:var(--brand-900);font-weight:600}
.side-links{display:flex;flex-direction:column}
.side-links li{border-bottom:1px solid var(--line)}
.side-links li:last-child{border-bottom:0}
.side-links a{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink-600);line-height:1.6;
  transition:color .18s ease-out;
}
.side-links a:hover{color:var(--brand-700)}
.side-links .num{
  flex:0 0 auto;width:20px;height:20px;margin-top:2px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:6px;background:var(--bg);
  font-size:12px;font-weight:600;color:var(--brand-500);
  font-variant-numeric:tabular-nums;
}
.side-links a:hover .num{background:var(--brand-200);color:var(--brand-900)}
/* ================= 板块与卡片 ================= */
.section{padding:88px 0}
.section--sand{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:.6px}
.sec-head p{margin-top:10px;font-size:15.5px;color:var(--ink-600);max-width:620px;line-height:1.75}
.sec-head .more{
  font-size:14.5px;font-weight:600;color:var(--brand-700);
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  transition:color .18s ease-out,gap .18s ease-out;
}
.sec-head .more:hover{color:var(--accent-600);gap:12px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card__media{
  aspect-ratio:4/3;overflow:hidden;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  border-bottom:1px solid var(--line);
}
.card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease-out;
}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card__body .badge{align-self:flex-start}
.card__title{font-size:18px;font-weight:600;line-height:1.5;letter-spacing:.3px}
.card__desc{font-size:14.5px;color:var(--ink-600);line-height:1.72}
.card__foot{
  margin-top:auto;padding-top:14px;
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-400);
  font-variant-numeric:tabular-nums;
}
/* ================= 深色 CTA ================= */
.cta-bar{
  position:relative;
  background:var(--brand-900);
  color:#fff;
  padding:42px 0;
  overflow:hidden;
}
.cta-bar::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-bar__row{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-bar h2{font-size:clamp(20px,2.4vw,26px);letter-spacing:.6px;margin-bottom:8px}
.cta-bar p{font-size:15px;color:rgba(255,255,255,.7);line-height:1.75;max-width:620px}
/* ================= 页脚 ================= */
.footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:66px 0 28px;
  font-size:15px;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:44px;
}
.footer__brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:700;letter-spacing:.5px;
  margin-bottom:16px;
}
.footer p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer__col h4{
  color:#fff;font-size:15px;font-weight:600;
  margin-bottom:16px;letter-spacing:.5px;
}
.footer__col ul{display:flex;flex-direction:column;gap:11px}
.footer__col a{
  font-size:15px;color:rgba(255,255,255,.72);
  transition:color .18s ease-out;
}
.footer__col a:hover{
  color:#fff;
  text-decoration:underline;
  text-decoration-color:var(--accent-500);
  text-underline-offset:4px;
}
.footer__bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.58);
}
/* ================= 返回顶部 ================= */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:12px;
  border:0;cursor:pointer;
  background:var(--brand-900);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-3);
  opacity:0;pointer-events:none;
  transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,background .18s ease-out;
}
.to-top.is-on{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--brand-700)}
/* ================= 响应式 ================= */
@media (max-width:1199px){
  .shell{grid-template-columns:minmax(0,1fr);gap:44px}
  .article-aside{position:static;top:auto}
  .article-hero__inner{max-width:none}
}
@media (max-width:900px){
  body{font-size:16px}
  .announce__side{display:none}
  .announce__row{justify-content:flex-start}
  .nav__row{flex-wrap:wrap;height:auto;padding:14px 0;gap:12px}
  .site-head.is-compact .nav__row{height:auto;padding:10px 0}
  .nav__logo{order:1}
  .nav__actions{order:2;margin-left:auto}
  .search{order:3;flex:0 0 100%;max-width:none;margin:0}
  .nav__chips{padding-bottom:8px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer p{max-width:none}
  .section{padding:64px 0}
  .article-section{padding:40px 0 64px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .nav__logo{font-size:16.5px}
  .logo-mark{width:22px;height:22px}
  .nav__actions .btn{padding:8px 13px;font-size:13px}
  .search input{font-size:14px}
  .search__btn{padding:8px 15px;font-size:13px}
  .article-title{font-size:24px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .read-next{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer{padding:48px 0 24px}
  .cta-bar__row{flex-direction:column;align-items:flex-start}
  .cta-bar .btn{width:100%}
  .to-top{right:16px;bottom:18px;width:44px;height:44px}
  .sec-head{margin-bottom:28px}
  .sec-head h2{font-size:22px}
}

/* roulang page: category2 */
:root{
  --brand-900:#072A20;
  --brand-700:#0F3D2E;
  --brand-500:#1B6B4F;
  --brand-200:#CDE7DC;
  --accent-500:#FF5A1F;
  --accent-600:#E8430C;
  --lime-400:#C8F135;
  --ink-900:#10201A;
  --ink-600:#4C5C55;
  --ink-400:#8C9A93;
  --line:#E4E1D8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(7,42,32,.06);
  --shadow-2:0 1px 2px rgba(7,42,32,.06),0 10px 24px -12px rgba(7,42,32,.14);
  --shadow-3:0 2px 4px rgba(7,42,32,.08),0 18px 36px -14px rgba(7,42,32,.22);
  --wrap:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

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

/* ---------- 顶部公告 ---------- */
.announce{
  background:var(--brand-900);
  color:rgba(255,255,255,.86);
  font-size:13px;
  line-height:1;
}
.announce__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:38px;
}
.announce__track{
  display:flex;
  gap:56px;
  overflow:hidden;
  white-space:nowrap;
  flex:1 1 auto;
  mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent);
}
.announce__track span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  animation:marquee 26s linear infinite;
}
.announce__track span i{color:var(--lime-400);}
.announce__side{
  display:flex;
  align-items:center;
  gap:18px;
  flex:0 0 auto;
}
.announce__side a{color:#fff;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px;}
.announce__side a:hover{color:var(--lime-400);border-color:var(--lime-400);}
@keyframes marquee{
  0%{transform:translateX(0);}
  100%{transform:translateX(-50%);}
}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--surface);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-head.is-scrolled{
  border-color:var(--line);
  box-shadow:0 6px 20px -14px rgba(7,42,32,.35);
}
.nav{padding:0;}
.nav__row{
  display:flex;
  align-items:center;
  gap:20px;
  padding:16px 0 12px;
  transition:padding .2s ease;
}
.site-head.is-scrolled .nav__row{padding:8px 0 6px;}
.nav__logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--brand-900);
  flex:0 0 auto;
}
.logo-mark{
  position:relative;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
  flex:0 0 auto;
}
.logo-mark::before{
  content:"";
  position:absolute;
  left:9px;right:9px;
  top:11px;
  height:2px;
  border-radius:2px;
  background:var(--lime-400);
  box-shadow:0 5px 0 rgba(255,255,255,.7),0 10px 0 rgba(255,255,255,.38);
}
.logo-mark::after{
  content:"";
  position:absolute;
  right:-3px;
  bottom:-3px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--accent-500);
  border:2px solid var(--surface);
}
.nav__logo:hover{color:var(--brand-500);}

.search{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:560px;
  margin:0 auto;
  min-height:46px;
  padding:0 6px 0 16px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search i{color:var(--ink-400);font-size:15px;}
.search input{
  flex:1 1 auto;
  height:44px;
  padding:0 12px;
  border:0;
  background:transparent;
  font-size:15px;
  color:var(--ink-900);
  min-width:0;
}
.search input::placeholder{color:var(--ink-400);}
.search input:focus{outline:none;}
.search:focus-within{
  background:var(--surface);
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(27,107,79,.14);
}
.search__btn{
  flex:0 0 auto;
  height:36px;
  padding:0 20px;
  border-radius:var(--radius-pill);
  background:var(--brand-500);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color .18s ease,transform .18s ease;
}
.search__btn:hover{background:var(--brand-700);}
.search__btn:active{transform:translateY(1px);}

.nav__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.nav__chips{padding-bottom:10px;}
.chips{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  white-space:nowrap;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.chips::-webkit-scrollbar{display:none;}
.chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--surface);
  font-size:14px;
  color:var(--ink-600);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.chip:hover{color:var(--brand-500);border-color:var(--brand-200);background:#F3FAF6;}
.chip.is-active{
  color:var(--brand-500);
  font-weight:600;
  border-color:var(--brand-200);
  background:#F1F9F5;
}
.chip.is-active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--accent-500);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:600;
  letter-spacing:.5px;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn--primary{
  background:var(--accent-500);
  color:#fff;
  box-shadow:0 8px 18px -10px rgba(232,67,12,.75);
}
.btn--primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(232,67,12,.8);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--brand-700);
}
.btn--ghost:hover{background:rgba(27,107,79,.08);border-color:var(--brand-200);}
.btn--ghost:active{transform:translateY(1px);}
.btn--dark{
  background:var(--brand-500);
  color:#fff;
}
.btn--dark:hover{background:var(--brand-700);transform:translateY(-1px);}
.btn--light{
  background:#fff;
  color:var(--brand-900);
}
.btn--light:hover{background:var(--brand-200);transform:translateY(-1px);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--sand{background:var(--bg);}
.section--white{background:var(--surface);}
.section--dark{
  background:var(--brand-900);
  color:#fff;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.028) 0 2px,transparent 2px 10px);
}
.section--tight{padding:72px 0;}
.section__head{max-width:760px;margin-bottom:44px;}
.section__head--center{margin:0 auto 44px;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  margin-bottom:16px;
  border-radius:6px;
  background:var(--brand-200);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
  letter-spacing:1px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500);}
h1,.h1{
  font-size:44px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:.8px;
}
h2,.h2{
  font-size:32px;
  line-height:1.32;
  font-weight:700;
  letter-spacing:.6px;
}
h3,.h3{
  font-size:22px;
  line-height:1.4;
  font-weight:600;
  letter-spacing:.4px;
}
.lead{
  font-size:18px;
  line-height:1.7;
  color:var(--ink-600);
  max-width:720px;
}
.section--dark .lead{color:rgba(255,255,255,.78);}
.section--dark h2{color:#fff;}

/* ---------- 页头 ---------- */
.page-hero{
  background:var(--bg);
  border-bottom:1px solid var(--line);
  padding:72px 0 80px;
}
.page-hero__grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.page-hero h1{margin-bottom:18px;}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-figure{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-400);
  margin-bottom:20px;
}
.crumbs a{color:var(--ink-600);}
.crumbs a:hover{color:var(--brand-500);}
.crumbs span.sep{color:var(--line);}

/* ---------- 筛选 + 卡片阵 ---------- */
.filters{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:36px;
}
.filter-chip{
  height:40px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--surface);
  font-size:14px;
  color:var(--ink-600);
  transition:all .18s ease;
}
.filter-chip:hover{border-color:var(--brand-200);color:var(--brand-500);}
.filter-chip.is-active{
  background:var(--brand-700);
  border-color:var(--brand-700);
  color:#fff;
  font-weight:600;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:28px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:var(--brand-200);}
.entry-card__no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:#F1F9F5;
  border:1px solid var(--brand-200);
  color:var(--brand-700);
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.entry-card h3{font-size:19px;}
.entry-card p{font-size:15px;line-height:1.75;color:var(--ink-600);}
.entry-card .text-link{margin-top:auto;padding-top:8px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-500);
  border-bottom:1px solid transparent;
}
.text-link:hover{color:var(--accent-500);border-color:var(--accent-500);}
.text-link i{font-size:12px;transition:transform .18s ease;}
.text-link:hover i{transform:translateX(3px);}
.entry-card.is-hidden{display:none;}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:28px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step__no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  margin-bottom:14px;
  border-radius:50%;
  background:var(--brand-900);
  color:var(--lime-400);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:15px;line-height:1.75;color:var(--ink-600);}

/* ---------- 要点对比 ---------- */
.check-grid{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:56px;
  align-items:center;
}
.check-list{display:grid;gap:14px;}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:16px 18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  font-size:16px;
  line-height:1.7;
}
.check-list li i{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:24px;height:24px;
  margin-top:4px;
  border-radius:50%;
  background:var(--lime-400);
  color:var(--brand-900);
  font-size:11px;
}
.check-list li strong{font-weight:600;}
.check-figure{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
}
.check-figure img{width:100%;height:100%;object-fit:cover;}
.note-line{
  margin-top:20px;
  padding:14px 18px;
  border-left:3px solid var(--accent-500);
  border-radius:0 10px 10px 0;
  background:var(--bg);
  color:var(--ink-600);
  font-size:15px;
  line-height:1.75;
}

/* ---------- 深色 CTA 条 ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:40px 44px;
  background:var(--brand-900);
  border-radius:var(--radius-card);
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.03) 0 2px,transparent 2px 10px);
  border:1px solid rgba(255,255,255,.12);
}
.cta-band h2{font-size:26px;color:#fff;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;max-width:640px;}
.section--dark .cta-band{background:#0A3126;}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  padding:22px 24px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-500);}
.faq-q .faq-icon{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;height:28px;
  border-radius:50%;
  background:#F1F9F5;
  color:var(--brand-500);
  font-size:12px;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(180deg);background:var(--brand-500);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a p{
  padding:0 24px 24px;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-600);
}

/* ---------- 页尾入口 ---------- */
.final-links{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.final-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:30px 32px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.final-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:var(--brand-200);}
.final-card h3{font-size:20px;margin-bottom:6px;}
.final-card p{font-size:15px;color:var(--ink-600);}
.final-card i.go{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:50%;
  background:#F1F9F5;
  color:var(--brand-700);
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.final-card:hover i.go{background:var(--accent-500);color:#fff;transform:translateX(3px);}

/* ---------- 页脚 ---------- */
.footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.025) 0 2px,transparent 2px 10px);
}
.footer__grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer__brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  color:#fff;
  font-size:18px;
  font-weight:700;
  letter-spacing:.5px;
}
.footer p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.68);max-width:420px;}
.footer__col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.5px;
}
.footer__col ul{display:grid;gap:12px;}
.footer__col a{
  font-size:15px;
  color:rgba(255,255,255,.72);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.footer__col a:hover{color:#fff;border-color:var(--accent-500);}
.footer__bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  .page-hero__grid{grid-template-columns:1fr;gap:36px;}
  .check-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{aspect-ratio:16/10;}
}
@media (max-width:900px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .nav__row{flex-wrap:wrap;}
  .nav__actions{order:2;margin-left:auto;}
  .search{order:3;flex:1 1 100%;max-width:none;margin:4px 0 0;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .final-links{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .announce__side{display:none;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .final-card{flex-direction:column;align-items:flex-start;}
  h1,.h1{font-size:32px;}
  h2,.h2{font-size:26px;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  h1,.h1{font-size:30px;}
  h2,.h2{font-size:24px;}
  h3,.h3{font-size:19px;}
  .section{padding:56px 0;}
  .page-hero{padding:44px 0 52px;}
  .nav__logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;}
  .btn{width:100%;}
  .nav__actions{width:100%;order:3;gap:8px;}
  .search{order:2;}
  .footer__grid{grid-template-columns:1fr;}
  .cta-band h2{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}