/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#0FB5A0;
  --brand-dark:#0A8C7C;
  --brand-soft:rgba(15,181,160,.10);
  --brand-line:rgba(15,181,160,.30);
  --violet:#6D4AFF;
  --amber:#FFB020;
  --danger:#E5484D;
  --success:#12A150;
  --hero-a:#082B2A;
  --hero-b:#241B45;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --line:#E6EAE9;
  --line-strong:#D8E2DF;
  --text:#26302E;
  --muted:#5C6B67;
  --invert:#FFFFFF;
  --invert-soft:#D8E5E2;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(12,40,36,.06);
  --shadow-2:0 12px 32px rgba(12,40,36,.10);
  --shadow-3:0 20px 48px rgba(12,40,36,.14);
  --gap:24px;
  --sec-pad:96px;
  --nav-h:68px;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px;}
a{color:var(--brand-dark);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
table{border-collapse:collapse;}
:focus-visible{outline:3px solid rgba(15,181,160,.35);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(15,181,160,.22);}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-pad) 0;}
.section--tight{padding:72px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-dark);background:var(--brand-soft);
  border:1px solid var(--brand-line);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
h1,.h1{font-size:clamp(28px,4.2vw,44px);font-weight:700;line-height:1.22;letter-spacing:0;}
h2,.h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;}
h3,.h3{font-size:19px;font-weight:600;line-height:1.45;}
.lead{font-size:16.5px;color:var(--muted);line-height:1.8;}
.muted{color:var(--muted);}
.small{font-size:14px;line-height:1.7;}
.section--dark{background:linear-gradient(135deg,var(--hero-a) 0%,var(--hero-b) 100%);color:var(--invert);position:relative;overflow:hidden;}
.section--dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 320px at 12% 0%,rgba(15,181,160,.18),transparent 70%),
    radial-gradient(520px 300px at 88% 100%,rgba(109,74,255,.16),transparent 72%);
}
.section--dark .container{position:relative;z-index:1;}
.section--dark h2,.section--dark h3{color:var(--invert);}
.section--dark .lead,.section--dark p{color:var(--invert-soft);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:600;line-height:1;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease,opacity .25s ease;
  white-space:nowrap;
}
.btn--primary{
  color:#fff;
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 46%,var(--violet) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),var(--shadow-1);
}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.28),var(--shadow-2);filter:brightness(1.06);}
.btn--primary:active{transform:translateY(0);filter:brightness(.97);}
.btn--ghost{
  color:var(--brand-dark);background:#fff;border:1px solid var(--line-strong);
}
.btn--ghost:hover{color:var(--brand-dark);border-color:var(--brand);background:rgba(15,181,160,.06);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn--ghost:active{transform:translateY(0);}
.btn--onDark{
  color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.40);
}
.btn--onDark:hover{color:#fff;background:rgba(255,255,255,.20);transform:translateY(-2px);}
.btn--onDark:active{transform:translateY(0);}
.btn:disabled,.btn.is-loading{opacity:.62;cursor:not-allowed;transform:none;filter:grayscale(.25);}
.btn--block{width:100%;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(255,255,255,.10);
  border-bottom:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 6px 24px rgba(4,20,18,.16);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header .nav-inner{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  transition:height .3s ease;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand__mark{
  width:38px;height:38px;flex:none;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--violet) 100%);
  box-shadow:0 6px 16px rgba(15,181,160,.32);
}
.brand__mark svg{width:20px;height:20px;}
.brand__text{display:flex;flex-direction:column;line-height:1.1;min-width:0;}
.brand__name{font-size:16.5px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap;}
.brand__sub{font-size:11.5px;color:rgba(255,255,255,.72);letter-spacing:.08em;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.88);border-radius:10px;
  transition:color .25s ease,background .25s ease;
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-list a.is-active{color:#fff;font-weight:600;}
.nav-list a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--violet) 100%);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  transition:background .25s ease,transform .25s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.22);transform:translateY(-1px);}
.icon-btn svg{width:19px;height:19px;}
.nav-cta{height:42px;padding:0 18px;font-size:14.5px;}
.nav-search{
  display:flex;align-items:center;overflow:hidden;width:0;opacity:0;
  transition:width .3s ease,opacity .3s ease;
}
.nav-search.is-open{width:190px;opacity:1;}
.nav-search input{
  width:100%;height:40px;border-radius:10px;padding:0 12px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.30);
  color:#fff;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:rgba(255,255,255,.66);}
.nav-burger{display:none;}
/* 滚动后实底吸顶 */
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(12,40,36,.10);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.site-header.is-scrolled .brand__name{color:var(--text);}
.site-header.is-scrolled .brand__sub{color:var(--muted);}
.site-header.is-scrolled .nav-list a{color:#3E4B48;}
.site-header.is-scrolled .nav-list a:hover{color:var(--brand-dark);background:rgba(15,181,160,.08);}
.site-header.is-scrolled .nav-list a.is-active{color:var(--brand-dark);}
.site-header.is-scrolled .icon-btn{color:var(--text);background:#fff;border-color:var(--line-strong);}
.site-header.is-scrolled .icon-btn:hover{background:rgba(15,181,160,.08);border-color:var(--brand-line);}
.site-header.is-scrolled .nav-search input{background:#fff;border-color:var(--line-strong);color:var(--text);}
.site-header.is-scrolled .nav-search input::placeholder{color:#9AA8A4;}
/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:140;
  background:#0B1F1D;color:#fff;transform:translateX(102%);
  transition:transform .32s ease;padding:24px 22px;overflow-y:auto;
  box-shadow:-18px 0 44px rgba(0,0,0,.30);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer__title{font-size:16px;font-weight:700;color:#fff;}
.drawer__close{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.12);color:#fff;}
.drawer__close svg{width:18px;height:18px;}
.drawer__search input{
  width:100%;height:46px;border-radius:12px;padding:0 14px;font-size:15px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);color:#fff;outline:none;margin-bottom:18px;
}
.drawer__search input::placeholder{color:rgba(255,255,255,.6);}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 14px;border-radius:12px;color:var(--invert-soft);
  font-size:16px;font-weight:500;border:1px solid transparent;
}
.drawer__nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer__nav a.is-active{color:#fff;background:rgba(15,181,160,.18);border-color:rgba(15,181,160,.42);}
.drawer .btn{margin-top:20px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,22,20,.55);z-index:130;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  padding:calc(var(--nav-h) + 84px) 0 92px;
  background:
    linear-gradient(135deg,rgba(8,43,42,.95) 0%,rgba(36,27,69,.94) 100%),
    url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 380px at 8% 12%,rgba(15,181,160,.20),transparent 68%),
    radial-gradient(560px 340px at 92% 88%,rgba(109,74,255,.16),transparent 70%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:1;}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;}
.hero__tag{
  display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  font-size:13.5px;font-weight:600;color:#EAF6F3;margin-bottom:20px;
}
.hero__tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);}
.hero h1{color:#fff;max-width:15em;}
.hero__sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--invert-soft);max-width:34em;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__stats{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;
}
.stat{
  min-width:132px;flex:1 1 132px;padding:16px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(6px);
}
.stat__num{font-size:28px;font-weight:700;line-height:1.1;color:#fff;}
.stat__num span{font-size:14px;font-weight:600;margin-left:2px;color:var(--brand);}
.stat__label{font-size:13.5px;color:var(--invert-soft);margin-top:4px;}
.hero__visual{position:relative;}
.hero__card{
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:var(--shadow-3);
  background:rgba(255,255,255,.06);
}
.hero__card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.hero__badge{
  position:absolute;left:-18px;bottom:-18px;padding:14px 18px;border-radius:var(--r-md);
  background:#fff;color:var(--text);box-shadow:var(--shadow-3);
  display:flex;align-items:center;gap:12px;max-width:82%;
}
.hero__badge svg{width:26px;height:26px;flex:none;color:var(--brand);}
.hero__badge strong{display:block;font-size:15px;}
.hero__badge span{font-size:13px;color:var(--muted);}

/* ============ 服务能力 不对称栅格 ============ */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.cap-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;gap:12px;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-line);}
.cap-card--main{grid-column:span 2;padding:30px;}
.cap-card--wide{grid-column:span 4;flex-direction:row;align-items:center;gap:26px;padding:26px 30px;}
.cap-card p{color:var(--muted);font-size:15px;}
.cap-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;flex:none;
  background:linear-gradient(140deg,rgba(15,181,160,.16),rgba(109,74,255,.14));
  color:var(--brand-dark);
}
.cap-icon svg{width:23px;height:23px;}
.cap-media{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);flex:none;width:220px;
}
.cap-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.cap-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:var(--brand-dark);
  background:rgba(15,181,160,.10);border:1px solid rgba(15,181,160,.20);
}
.tag--violet{color:#5638D6;background:rgba(109,74,255,.10);border-color:rgba(109,74,255,.20);}
.tag--amber{color:#9A6100;background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.28);}

/* ============ 深色数据区 ============ */
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);margin-top:8px;}
.data-card{
  padding:24px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  transition:background .25s ease,transform .25s ease;
}
.data-card:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);}
.data-card__num{font-size:clamp(28px,3.4vw,36px);font-weight:700;line-height:1.1;color:#fff;}
.data-card__num em{font-style:normal;font-size:15px;font-weight:600;color:var(--brand);margin-left:3px;}
.data-card__label{font-size:14px;color:var(--invert-soft);margin-top:6px;}
.progress-wrap{margin-top:38px;}
.progress-row{margin-bottom:18px;}
.progress-row:last-child{margin-bottom:0;}
.progress-row__head{display:flex;justify-content:space-between;font-size:14px;color:var(--invert-soft);margin-bottom:8px;}
.progress-row__head b{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
.progress-bar{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.13);overflow:hidden;}
.progress-bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand),var(--violet));}

/* ============ 场景图文交替 ============ */
.case-row{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:34px 0;border-bottom:1px dashed var(--line);
}
.case-row:last-child{border-bottom:0;padding-bottom:0;}
.case-row:first-child{padding-top:0;}
.case-row--reverse .case-copy{order:2;}
.case-row--reverse .case-visual{order:1;}
.case-visual{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:#E7EDEA;}
.case-visual img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.case-visual:hover img{transform:scale(1.03);}
.case-copy h3{margin-bottom:12px;}
.case-copy p{color:var(--muted);font-size:15.5px;margin-bottom:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-dark);
}
.link-arrow svg{width:16px;height:16px;transition:transform .25s ease;}
.link-arrow:hover{color:var(--brand);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 方案 tabs ============ */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.tab-btn{
  height:44px;padding:0 20px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  color:var(--muted);background:#fff;border:1px solid var(--line);
  transition:all .25s ease;
}
.tab-btn:hover{color:var(--brand-dark);border-color:var(--brand-line);transform:translateY(-1px);}
.tab-btn.is-active{
  color:#fff;border-color:transparent;
  background:linear-gradient(120deg,var(--brand) 0%,var(--violet) 100%);
  box-shadow:var(--shadow-2);
}
.tab-panel{display:none;}
.tab-panel.is-active{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;animation:fadeUp .32s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.panel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);
}
.panel-card h3{margin-bottom:14px;}
.check-list li{
  position:relative;padding-left:24px;margin-bottom:12px;font-size:15.5px;color:#3E4B48;line-height:1.75;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),var(--violet));
}
.panel-visual{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);}
.panel-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}

/* ============ 资讯列表 ============ */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;}
.list-head .lead{margin-top:10px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-line);}
.news-card__media{position:relative;background:#E7EDEA;}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.news-card__badge{
  position:absolute;left:14px;top:14px;height:28px;padding:0 12px;display:inline-flex;align-items:center;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;color:#fff;
  background:linear-gradient(120deg,var(--brand),var(--violet));
  box-shadow:0 6px 16px rgba(6,30,26,.22);
}
.news-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card__title{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__desc{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13.5px;color:#8A9793;
}
.news-card__link{font-weight:600;color:var(--brand-dark);}
.news-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:2px dashed var(--line-strong);border-radius:var(--r-lg);background:#fff;text-align:center;padding:32px;
}
.news-empty svg{width:38px;height:38px;color:#A9B8B4;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.faq-item:hover{border-color:var(--brand-line);}
.faq-item.is-open{
  border-color:var(--brand-line);box-shadow:var(--shadow-1);
  background:linear-gradient(180deg,rgba(15,181,160,.05),rgba(255,255,255,0));
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item.is-open .faq-q{color:var(--brand-dark);}
.faq-icon{
  width:28px;height:28px;flex:none;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--muted);
  transition:transform .28s ease,color .25s ease,border-color .25s ease,background .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--brand),var(--violet));}
.faq-icon svg{width:14px;height:14px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a__inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ============ 联系 CTA + 表单 ============ */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;}
.contact-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:52px;
  padding-top:34px;border-top:1px solid var(--line);
}
.contact-strip div{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--text);}
.contact-strip svg{width:20px;height:20px;color:var(--brand);flex:none;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-2);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;}
.field label .req{color:var(--brand);margin-left:2px;}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--line-strong);border-radius:var(--r-sm);
  padding:0 14px;height:46px;background:#fff;outline:none;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,181,160,.12);
}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);}
.field .err{display:none;font-size:13px;color:var(--danger);margin-top:6px;}
.field.has-error .err{display:block;}
.form-note{font-size:13px;color:#8A9793;margin-top:14px;}
.alert-success{
  display:none;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(18,161,80,.10);border:1px solid rgba(18,161,80,.28);color:#0E7D3E;
  font-size:14.5px;margin-bottom:18px;
}
.alert-success.is-show{display:flex;}
.alert-success svg{width:18px;height:18px;flex:none;}

/* ============ 页脚 ============ */
.site-footer{background:#0B1F1D;color:#A9B8B4;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand__mark{width:36px;height:36px;}
.footer-brand span{font-size:16px;font-weight:700;color:#fff;}
.site-footer p{font-size:14.5px;line-height:1.85;color:#93A5A0;max-width:32em;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:#A9B8B4;}
.footer-links a:hover{color:#fff;box-shadow:0 2px 0 0 var(--brand);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14.5px;}
.footer-contact svg{width:17px;height:17px;color:var(--brand);flex:none;margin-top:4px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:#7E918C;
}
.footer-bottom a{color:#A9B8B4;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px;}
  .hero__grid{gap:40px;}
}
@media (max-width:1023px){
  :root{--sec-pad:64px;--gap:20px;}
  .nav-list,.nav-search,.nav-cta{display:none;}
  .nav-burger{display:grid;}
  .hero{padding:calc(var(--nav-h) + 60px) 0 72px;}
  .hero__grid{grid-template-columns:1fr;gap:38px;}
  .hero__visual{max-width:560px;}
  .cap-grid{grid-template-columns:repeat(2,1fr);}
  .cap-card--main{grid-column:span 2;}
  .cap-card--wide{grid-column:span 2;flex-direction:column;align-items:flex-start;}
  .cap-media{width:100%;}
  .data-grid{grid-template-columns:repeat(2,1fr);}
  .case-row{grid-template-columns:1fr;gap:26px;}
  .case-row--reverse .case-copy{order:1;}
  .case-row--reverse .case-visual{order:2;}
  .tab-panel.is-active{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .contact-strip{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-pad:44px;--gap:16px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section-head{margin-bottom:30px;}
  .hero__actions .btn{flex:1 1 100%;}
  .hero__stats{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;margin-top:32px;-webkit-overflow-scrolling:touch;}
  .hero__stats::-webkit-scrollbar{display:none;}
  .stat{flex:0 0 148px;}
  .hero__badge{left:12px;bottom:-14px;max-width:calc(100% - 24px);}
  .cap-grid{grid-template-columns:1fr;}
  .cap-card--main,.cap-card--wide{grid-column:span 1;}
  .cap-card{padding:20px;}
  .data-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .list-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .faq-q{padding:18px;font-size:15.5px;}
  .faq-a__inner{padding:0 18px 18px;}
  .form-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:52px;}
}
@media (max-width:519px){
  h1,.h1{font-size:28px;}
  h2,.h2{font-size:22px;}
  .btn{width:100%;}
  .btn--auto{width:auto;}
  .hero__tag{font-size:12.5px;}
  .brand__name{font-size:15px;}
}

/* roulang page: article */
:root{
  --brand:#0FB5A0;
  --brand-dark:#0A8C7C;
  --violet:#6D4AFF;
  --amber:#FFB020;
  --danger:#E5484D;
  --success:#12A150;
  --ink:#082B2A;
  --ink-2:#241B45;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --line:#E6EAE9;
  --text:#26302E;
  --muted:#5C6B67;
  --on-dark:#D8E5E2;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-1:0 2px 8px rgba(12,40,36,.06);
  --shadow-2:0 12px 32px rgba(12,40,36,.10);
  --shadow-3:0 20px 48px rgba(12,40,36,.14);
  --container:1200px;
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .25s ease,border-color .25s ease,background-color .25s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,181,160,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 6px 24px rgba(4,20,18,.18);
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 28px rgba(12,40,36,.10);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .3s ease;}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;color:#fff;}
.site-header.is-scrolled .brand{color:var(--text);}
.brand__mark{
  width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--violet));
  box-shadow:0 6px 16px rgba(15,181,160,.32);
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__name{font-size:16px;font-weight:700;line-height:1.2;white-space:nowrap;}
.brand__sub{font-size:12px;line-height:1.4;color:rgba(255,255,255,.66);white-space:nowrap;}
.site-header.is-scrolled .brand__sub{color:var(--muted);}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-list a{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 14px;
  font-size:15px;font-weight:500;
  color:rgba(255,255,255,.86);
  border-radius:10px;
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-list a.is-active{color:#fff;}
.nav-list a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--violet));
}
.site-header.is-scrolled .nav-list a{color:var(--text);}
.site-header.is-scrolled .nav-list a:hover{color:var(--brand-dark);background:rgba(15,181,160,.08);}
.site-header.is-scrolled .nav-list a.is-active{color:var(--brand-dark);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-search{display:flex;align-items:center;}
.nav-search input{
  width:190px;height:40px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:14px;
  transition:border-color .25s ease,background-color .25s ease,width .25s ease;
}
.nav-search input::placeholder{color:rgba(255,255,255,.68);}
.nav-search input:focus{
  outline:none;
  border-color:rgba(255,255,255,.7);
  background:rgba(255,255,255,.2);
}
.site-header.is-scrolled .nav-search input{
  border-color:#D8E2DF;background:#fff;color:var(--text);
}
.site-header.is-scrolled .nav-search input::placeholder{color:#9AA8A4;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);
  color:#fff;cursor:pointer;
  transition:background-color .25s ease,border-color .25s ease,transform .2s ease;
}
.icon-btn svg{width:20px;height:20px;}
.icon-btn:hover{background:rgba(255,255,255,.2);}
.icon-btn:active{transform:translateY(1px);}
.site-header.is-scrolled .icon-btn{border-color:#D8E2DF;background:#fff;color:var(--text);}
.site-header.is-scrolled .icon-btn:hover{border-color:var(--brand);color:var(--brand-dark);}
#searchToggle{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease,color .25s ease,filter .25s ease;
}
.btn--primary{
  color:#fff;
  background:linear-gradient(135deg,var(--brand) 0%,var(--violet) 100%);
  box-shadow:0 8px 20px rgba(15,181,160,.28),inset 0 1px 0 rgba(255,255,255,.25);
}
.btn--primary:hover{filter:brightness(1.06);box-shadow:var(--shadow-2);transform:translateY(-2px);color:#fff;}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(15,181,160,.24);}
.btn--ghost{
  color:#fff;
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.4);
}
.btn--ghost:hover{background:rgba(255,255,255,.2);color:#fff;}
.btn--outline{
  color:var(--brand-dark);
  background:#fff;
  border-color:#D8E2DF;
}
.btn--outline:hover{border-color:var(--brand);color:var(--brand-dark);background:rgba(15,181,160,.06);}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.5);cursor:not-allowed;transform:none;box-shadow:none;}
.nav-cta{height:44px;padding:0 18px;font-size:14px;}
.nav-burger{display:none;}

/* ---------- Drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;z-index:110;
  background:rgba(8,43,42,.55);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;
  width:82vw;max-width:340px;
  background:#0B1F1D;
  color:#fff;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,.1,.2,1);
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__brand{font-size:15px;font-weight:700;}
.drawer__close{
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer__close svg{width:18px;height:18px;}
.drawer__nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.drawer__nav a{
  display:flex;align-items:center;
  min-height:48px;padding:0 14px;
  border-radius:12px;
  color:rgba(255,255,255,.88);
  font-size:15px;
  border:1px solid transparent;
}
.drawer__nav a:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.18);}
.drawer__nav a.is-active{color:#fff;border-color:rgba(15,181,160,.6);background:rgba(15,181,160,.16);}
.drawer__search{display:flex;margin-bottom:16px;}
.drawer__search input{
  width:100%;height:46px;padding:0 16px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;
}
.drawer__search input::placeholder{color:rgba(255,255,255,.6);}
.drawer__search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,181,160,.22);}
.drawer .btn{width:100%;}

/* ---------- Article hero ---------- */
.page-hero{
  position:relative;
  padding:150px 0 76px;
  color:#fff;
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.20;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 12% 18%,rgba(15,181,160,.28),transparent 70%),
    radial-gradient(520px 300px at 88% 78%,rgba(109,74,255,.26),transparent 72%);
}
.page-hero > .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px;flex-wrap:wrap;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:4px;}
.crumb__sep{color:rgba(255,255,255,.38);}
.crumb__current{
  max-width:420px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  color:rgba(255,255,255,.92);
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;
  border-radius:999px;
  font-size:13px;font-weight:600;
  color:#fff;
  background:rgba(15,181,160,.22);
  border:1px solid rgba(15,181,160,.5);
  margin-bottom:18px;
}
.hero-tag svg{width:14px;height:14px;}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.22;
  max-width:900px;
  margin-bottom:22px;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:12px 26px;
  font-size:14px;
  color:rgba(255,255,255,.76);
}
.meta-item{display:inline-flex;align-items:center;gap:8px;}
.meta-item svg{width:16px;height:16px;color:var(--brand);}
.meta-item time{color:#fff;font-weight:600;}

/* ---------- Layout ---------- */
.section{padding:var(--section-y) 0;}
.section--tight{padding:56px 0 var(--section-y);}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:40px;
}
.article-body{max-width:760px;font-size:16px;line-height:1.8;}
.article-body p{margin:0 0 18px;color:var(--text);}
.article-body h2{
  position:relative;
  font-size:clamp(22px,3vw,30px);
  line-height:1.3;
  margin:38px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--violet));
}
.article-body h3{font-size:19px;font-weight:600;margin:28px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:10px;counter-increment:li;}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:4px;
  width:20px;height:20px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--violet));
}
.article-body blockquote{
  margin:22px 0;
  padding:18px 20px;
  background:rgba(15,181,160,.06);
  border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--muted);
}
.article-body img{border-radius:14px;margin:20px 0;border:1px solid var(--line);}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:#F2F6F5;font-weight:600;}
.article-body a{color:var(--brand-dark);border-bottom:1px solid rgba(15,181,160,.4);}
.article-body a:hover{color:var(--brand);}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;
  min-height:240px;
  padding:36px 24px;
  text-align:center;
  border:2px dashed #D8E2DF;
  border-radius:var(--r-lg);
  background:#FAFCFB;
}
.empty-state svg{width:44px;height:44px;color:#9AA8A4;}
.empty-state p{color:var(--muted);font-size:15px;}

/* tags */
.tag-block{margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.tag-block__title{font-size:14px;color:var(--muted);margin-bottom:12px;}
.tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;
  height:34px;padding:0 14px;
  border-radius:999px;
  font-size:14px;
  color:var(--brand-dark);
  background:rgba(15,181,160,.08);
  border:1px solid rgba(15,181,160,.20);
  transition:background-color .25s ease,border-color .25s ease,transform .25s ease;
}
.tag:hover{background:rgba(15,181,160,.16);border-color:rgba(15,181,160,.42);transform:translateY(-2px);}

/* next / prev */
.np-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px;}
.np-card{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  color:var(--text);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.np-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,181,160,.4);color:var(--text);}
.np-card svg{width:20px;height:20px;color:var(--brand);flex:0 0 20px;}
.np-card__label{font-size:13px;color:var(--muted);}
.np-card__title{font-size:15px;font-weight:600;}

/* sidebar */
.side-card{
  position:sticky;top:88px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:24px;
  margin-bottom:20px;
}
.side-card:last-child{margin-bottom:0;}
.side-card__title{
  display:flex;align-items:center;gap:8px;
  font-size:16px;font-weight:700;margin-bottom:16px;
}
.side-card__title::before{
  content:"";width:4px;height:16px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--violet));
}
.side-links{display:flex;flex-direction:column;gap:8px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:0 14px;
  border-radius:12px;
  background:#F7FAF9;
  border:1px solid var(--line);
  color:var(--text);
  font-size:14px;
}
.side-links a:hover{background:rgba(15,181,160,.08);border-color:rgba(15,181,160,.35);color:var(--brand-dark);}
.side-links a span{color:var(--brand);font-weight:700;}
.side-note{
  padding:16px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(15,181,160,.09),rgba(109,74,255,.09));
  border:1px solid rgba(15,181,160,.22);
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}
.side-note strong{display:block;color:var(--text);font-size:14px;margin-bottom:6px;}

/* related */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,3vw,32px);}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;}
.more-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-dark);white-space:nowrap;
}
.more-link svg{width:16px;height:16px;transition:transform .25s ease;}
.more-link:hover svg{transform:translateX(4px);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,181,160,.35);}
.card__media{aspect-ratio:16/9;background:#E8EFEC;overflow:hidden;}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card__media img{transform:scale(1.04);}
.card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:999px;
  font-size:13px;font-weight:600;
  color:var(--brand-dark);
  background:rgba(15,181,160,.10);
  border:1px solid rgba(15,181,160,.22);
}
.card__title{
  font-size:18px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__desc{
  font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card__foot{margin-top:auto;padding-top:12px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;
  padding:48px;
  color:#fff;
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 100%);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-3);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 240px at 8% 20%,rgba(15,181,160,.30),transparent 70%),
    radial-gradient(400px 220px at 92% 82%,rgba(109,74,255,.28),transparent 72%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px;}
.cta-band p{color:var(--on-dark);font-size:15px;max-width:620px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:#0B1F1D;color:var(--on-dark);padding:72px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand__mark{width:36px;height:36px;flex:0 0 36px;border-radius:10px;}
.footer-brand .brand__mark svg{width:20px;height:20px;}
.site-footer p{line-height:1.8;color:#A9B8B4;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#A9B8B4;}
.footer-links a:hover{color:#fff;box-shadow:inset 0 -2px 0 var(--brand);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#A9B8B4;}
.footer-contact svg{width:18px;height:18px;flex:0 0 18px;margin-top:3px;color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8DA09B;
}
.footer-bottom a{color:#8DA09B;}
.footer-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
}
@media (max-width:1023px){
  .nav-list{display:none;}
  .nav-search{display:none;}
  .nav-search.is-open{
    display:flex;position:absolute;left:16px;right:76px;top:calc(100% + 10px);
  }
  .nav-search.is-open input{width:100%;background:#fff;color:var(--text);border-color:var(--line);}
  .nav-search.is-open input::placeholder{color:#9AA8A4;}
  #searchToggle{display:inline-flex;}
  .nav-burger{display:inline-flex;}
  .nav-cta{display:none;}
  .site-header{position:sticky;}
  .page-hero{padding-top:56px;}
  .layout{grid-template-columns:minmax(0,1fr);}
  .aside{display:none;}
  .article-card{padding:28px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .section{padding:64px 0;}
  .section--tight{padding:44px 0 64px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .page-hero{padding:44px 0 52px;}
  .crumb__current{max-width:220px;}
  .meta-row{font-size:13px;gap:10px 18px;}
  .article-card{padding:20px;border-radius:var(--r-md);}
  .article-body{font-size:15.5px;}
  .related-grid{grid-template-columns:minmax(0,1fr);gap:20px;}
  .np-grid{grid-template-columns:minmax(0,1fr);}
  .section{padding:44px 0;}
  .section--tight{padding:36px 0 44px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:28px 22px;border-radius:20px;}
  .cta-band__actions{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:479px){
  .btn{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .brand__name{font-size:14px;}
  .brand__sub{display:none;}
  .article-body h2{font-size:21px;}
}

/* roulang page: category1 */
:root{
  --brand:#0FB5A0;
  --brand-dark:#0A8C7C;
  --violet:#6D4AFF;
  --amber:#FFB020;
  --danger:#E5484D;
  --success:#12A150;
  --ink:#082B2A;
  --indigo:#241B45;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --line:#E6EAE9;
  --text:#26302E;
  --muted:#5C6B67;
  --white:#FFFFFF;
  --footer-bg:#0B1F1D;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-img:14px;
  --shadow-1:0 2px 8px rgba(12,40,36,.06);
  --shadow-2:0 12px 32px rgba(12,40,36,.10);
  --shadow-3:0 20px 48px rgba(12,40,36,.14);
  --ease:.25s ease;
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,181,160,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  text-decoration:none;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn--primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--violet) 100%);
  color:#fff;box-shadow:0 8px 20px rgba(15,181,160,.28);
}
.btn--primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(15,181,160,.24);}
.btn--ghost{
  background:#fff;color:var(--brand-dark);border-color:#D8E2DF;
}
.btn--ghost:hover{color:var(--brand-dark);border-color:var(--brand);background:rgba(15,181,160,.06);transform:translateY(-2px);}
.btn--on-dark{
  background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff;
}
.btn--on-dark:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}
.btn:disabled,.btn.is-loading{filter:grayscale(.4);opacity:.62;cursor:not-allowed;transform:none;box-shadow:none;}
.btn--block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 2px 18px rgba(8,30,28,.10);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(8,30,28,.12);
}
.nav-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;transition:height var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--violet) 100%);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(15,181,160,.32);
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:16px;font-weight:700;letter-spacing:.2px;color:#fff;transition:color var(--ease);}
.brand__sub{font-size:11.5px;color:rgba(255,255,255,.72);letter-spacing:1.4px;transition:color var(--ease);}
.site-header.is-scrolled .brand__name{color:var(--text);}
.site-header.is-scrolled .brand__sub{color:var(--muted);}

.nav-list{display:flex;align-items:center;gap:6px;margin-left:14px;}
.nav-list a{
  position:relative;
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.88);
  transition:color var(--ease),background var(--ease);
}
.nav-list a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--violet));
  transform:translateX(-50%);transition:width var(--ease);
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-list a.is-active{color:#fff;font-weight:600;}
.nav-list a.is-active::after{width:20px;}
.site-header.is-scrolled .nav-list a{color:var(--muted);}
.site-header.is-scrolled .nav-list a:hover{color:var(--brand-dark);background:rgba(15,181,160,.08);}
.site-header.is-scrolled .nav-list a.is-active{color:var(--brand-dark);}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{display:flex;align-items:center;}
.nav-search input{
  width:190px;height:40px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.12);color:#fff;font-size:14px;
  transition:background var(--ease),border-color var(--ease),color var(--ease),width var(--ease);
}
.nav-search input::placeholder{color:rgba(255,255,255,.68);}
.nav-search input:focus{outline:none;border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.2);}
.site-header.is-scrolled .nav-search input{
  border-color:#D8E2DF;background:#fff;color:var(--text);
}
.site-header.is-scrolled .nav-search input::placeholder{color:#9AA8A4;}
.site-header.is-scrolled .nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,181,160,.14);}

.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{background:rgba(255,255,255,.22);transform:translateY(-1px);}
.site-header.is-scrolled .icon-btn{border-color:#D8E2DF;background:#fff;color:var(--brand-dark);}
.site-header.is-scrolled .icon-btn:hover{background:rgba(15,181,160,.08);border-color:var(--brand);}
#searchToggle{display:none;}
.nav-burger{display:none;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:80;
  background:#fff;box-shadow:-16px 0 44px rgba(8,30,28,.22);
  transform:translateX(102%);transition:transform .3s ease;
  padding:24px 22px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer__title{font-size:15px;font-weight:700;color:var(--text);}
.drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--muted);display:grid;place-items:center;transition:var(--ease);
}
.drawer__close:hover{border-color:var(--brand);color:var(--brand-dark);background:rgba(15,181,160,.06);}
.drawer__links{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.drawer__links a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15.5px;font-weight:500;color:var(--text);border:1px solid transparent;
}
.drawer__links a:hover{background:rgba(15,181,160,.07);color:var(--brand-dark);}
.drawer__links a.is-active{color:var(--brand-dark);background:rgba(15,181,160,.10);border-color:rgba(15,181,160,.28);font-weight:600;}
.drawer__search{display:flex;gap:8px;margin-bottom:18px;}
.drawer__search input{
  flex:1;height:46px;padding:0 14px;border-radius:12px;border:1px solid #D8E2DF;background:#fff;
}
.drawer__search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,181,160,.14);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,30,28,.42);z-index:70;opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--ink) 0%,var(--indigo) 100%);
  padding:148px 0 76px;
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.24;
}
.hero__veil{
  position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 12% 6%,rgba(15,181,160,.34),transparent 68%),
    radial-gradient(520px 320px at 88% 22%,rgba(109,74,255,.30),transparent 70%),
    linear-gradient(135deg,rgba(8,43,42,.90) 0%,rgba(36,27,69,.92) 100%);
}
.hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(216,229,226,.78);margin-bottom:22px;}
.breadcrumb a{color:rgba(216,229,226,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(15,181,160,.16);border:1px solid rgba(15,181,160,.42);
  color:#9DF2E4;font-size:13px;font-weight:600;letter-spacing:.6px;margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);font-weight:700;line-height:1.22;letter-spacing:0;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#7CF0DD,#B7A6FF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__sub{font-size:17px;line-height:1.7;color:rgba(226,240,238,.88);max-width:560px;margin-bottom:28px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero__marks{
  display:flex;flex-wrap:wrap;gap:12px;
}
.mark{
  flex:1 1 150px;min-width:140px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);padding:14px 16px;
}
.mark__val{font-size:26px;font-weight:700;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums;}
.mark__val small{font-size:13px;font-weight:600;margin-left:2px;color:#9DF2E4;}
.mark__txt{font-size:13px;color:rgba(216,229,226,.82);margin-top:2px;}

.hero__card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.20);
  background:rgba(255,255,255,.06);box-shadow:var(--shadow-3);
}
.hero__card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#123330;}
.hero__card-body{padding:18px 20px 20px;}
.hero__card-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;}
.hero__card-text{font-size:13.5px;line-height:1.7;color:rgba(216,229,226,.84);}
.hero__card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:rgba(15,181,160,.16);color:#9DF2E4;border:1px solid rgba(15,181,160,.36);
}
.tag--violet{background:rgba(109,74,255,.18);color:#CFC2FF;border-color:rgba(109,74,255,.38);}
.tag--amber{background:rgba(255,176,32,.16);color:#FFD48A;border-color:rgba(255,176,32,.36);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--light{background:var(--bg);}
.section--white{background:#fff;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:15.5px;}
.section-head--split{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-dark);
}
.link-arrow svg{width:16px;height:16px;transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 步骤流 ---------- */
.step-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start;}
.steps{position:relative;}
.step{position:relative;display:grid;grid-template-columns:64px 1fr;gap:24px;padding-bottom:28px;}
.step::before{
  content:"";position:absolute;left:31px;top:68px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(15,181,160,.42),rgba(15,181,160,.06));
}
.step:last-child{padding-bottom:0;}
.step:last-child::before{display:none;}
.step__num{
  width:64px;height:64px;border-radius:50%;display:grid;place-items:center;
  font-size:21px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,var(--brand) 0%,var(--violet) 100%);
  box-shadow:0 10px 24px rgba(15,181,160,.30);
}
.step__card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.step__card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(15,181,160,.30);}
.step__meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
.step__meta .badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(15,181,160,.10);color:var(--brand-dark);
  border:1px solid rgba(15,181,160,.20);
}
.step__meta .time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.step__card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.step__card p{font-size:15px;color:var(--muted);line-height:1.75;}
.step__list{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.step__list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.step__list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--violet));
}

.side-card{
  position:sticky;top:92px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.side-card > p{font-size:14px;color:var(--muted);margin-bottom:16px;}
.side-list{display:flex;flex-direction:column;gap:12px;}
.side-list li{
  display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.65;
}
.side-list .ic{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:rgba(15,181,160,.10);color:var(--brand-dark);
}
.side-list .ic svg{width:14px;height:14px;}
.side-card .btn{margin-top:18px;}

/* ---------- 注意事项 ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.notice{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);
  border-radius:var(--r-md);padding:22px 22px 20px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.notice:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
.notice--danger{border-left-color:var(--danger);}
.notice--ok{border-left-color:var(--success);}
.notice__head{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.notice__head .ic{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,176,32,.14);color:#B57500;
}
.notice--danger .ic{background:rgba(229,72,77,.12);color:#B6252A;}
.notice--ok .ic{background:rgba(18,161,80,.12);color:#0B7A3C;}
.notice__head h3{font-size:16.5px;font-weight:600;}
.notice p{font-size:14.5px;color:var(--muted);line-height:1.72;}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split--reverse .split__media{order:2;}
.split__media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-2);background:#E9F0EE;
}
.split__media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.split__body h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.32;margin-bottom:14px;}
.split__body > p{color:var(--muted);font-size:15.5px;margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text);line-height:1.7;}
.check-list .sq{
  flex:0 0 auto;width:9px;height:9px;border-radius:3px;margin-top:8px;
  background:linear-gradient(135deg,var(--brand),var(--violet));
}
.check-list b{font-weight:600;}
.check-list span{color:var(--muted);}

/* ---------- 卡点速查 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--muted);background:#fff;border:1px solid var(--line);
  transition:var(--ease);
}
.chip:hover{color:var(--brand-dark);border-color:rgba(15,181,160,.42);background:rgba(15,181,160,.06);transform:translateY(-2px);}
.fix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.fix-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:10px;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.fix-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(15,181,160,.30);}
.fix-card h3{font-size:16.5px;font-weight:600;}
.fix-card p{font-size:14.5px;color:var(--muted);line-height:1.72;flex:1;}
.status{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;
}
.status--ok{background:rgba(18,161,80,.12);color:#0B7A3C;}
.status--warn{background:rgba(255,176,32,.16);color:#96620A;}
.status--info{background:rgba(92,107,103,.12);color:var(--muted);}

/* ---------- CTA + 表单 ---------- */
.cta-section{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--ink) 0%,var(--indigo) 100%);
  padding:88px 0;
}
.cta-section__veil{
  position:absolute;inset:0;
  background:
    radial-gradient(520px 300px at 82% 12%,rgba(109,74,255,.30),transparent 70%),
    radial-gradient(480px 300px at 10% 88%,rgba(15,181,160,.26),transparent 72%);
}
.cta-section .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cta-grid h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.32;margin-bottom:14px;}
.cta-grid .lead{font-size:16px;color:rgba(226,240,238,.88);margin-bottom:22px;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(216,229,226,.9);line-height:1.7;}
.cta-points .ic{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:rgba(15,181,160,.20);color:#9DF2E4;
}
.cta-points .ic svg{width:14px;height:14px;}
.form-card{
  background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-3);color:var(--text);
}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.form-card .form-tip{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.alert{
  display:none;align-items:center;gap:8px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(18,161,80,.10);border:1px solid rgba(18,161,80,.28);
  color:#0B7A3C;font-size:13.5px;margin-bottom:16px;
}
.alert.is-visible{display:flex;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:6px;}
.field label .req{color:var(--brand);}
.field input,.field textarea{
  width:100%;border:1px solid #D8E2DF;border-radius:var(--r-sm);background:#fff;
  padding:0 14px;height:46px;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,181,160,.12);}
.field.is-error input,.field.is-error textarea{border-color:var(--danger);}
.field .err{display:none;font-size:13px;color:var(--danger);margin-top:5px;}
.field.is-error .err{display:block;}
.contact-bar{
  display:flex;flex-wrap:wrap;gap:16px 32px;margin-top:34px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);
}
.contact-bar div{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(216,229,226,.86);}
.contact-bar svg{width:17px;height:17px;color:#7CF0DD;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#A9B8B4;padding:72px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10);}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand__mark{width:34px;height:34px;border-radius:10px;}
.footer-brand .brand__mark svg{width:19px;height:19px;}
.site-footer p{font-size:14px;line-height:1.8;color:#A9B8B4;}
.footer-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:#A9B8B4;position:relative;display:inline-block;}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--brand);
  transition:width var(--ease);
}
.footer-links a:hover{color:#fff;}
.footer-links a:hover::after{width:100%;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;}
.footer-contact svg{width:17px;height:17px;color:#7CF0DD;flex:0 0 auto;margin-top:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:22px;font-size:13.5px;color:#8A9C98;
}
.footer-bottom a{color:#A9B8B4;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .step-layout{grid-template-columns:1fr 290px;gap:32px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-list{display:none;}
  .nav-search{display:none;}
  #searchToggle{display:grid;}
  .nav-burger{display:grid;}
  .nav-cta{display:none;}
  .site-header .nav-search.is-open{
    display:flex;position:absolute;left:24px;right:24px;top:100%;margin-top:10px;
  }
  .site-header .nav-search.is-open input{width:100%;background:#fff;color:var(--text);border-color:#D8E2DF;}
  .site-header .nav-search.is-open input::placeholder{color:#9AA8A4;}
  .hero{padding:132px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:34px;}
  .hero__card{max-width:520px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .step-layout{grid-template-columns:1fr;}
  .side-card{position:static;}
  .notice-grid{grid-template-columns:repeat(2,1fr);}
  .fix-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:30px;}
  .split--reverse .split__media{order:0;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand__name{font-size:14.5px;}
  .brand__sub{display:none;}
  .hero{padding:118px 0 52px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero__sub{font-size:15.5px;}
  .hero__cta .btn{flex:1 1 180px;}
  .mark{flex:1 1 100%;}
  .section{padding:48px 0;}
  .section--tight{padding:44px 0;}
  .section-head{margin-bottom:30px;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:12px;}
  .step{grid-template-columns:48px 1fr;gap:16px;padding-bottom:22px;}
  .step__num{width:48px;height:48px;font-size:17px;}
  .step::before{left:23px;top:52px;}
  .step__card{padding:20px;}
  .notice-grid,.fix-grid{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:56px 0 22px;}
}
@media (max-width:479px){
  body{font-size:15.5px;}
  .hero__cta{flex-direction:column;}
  .hero__cta .btn{width:100%;}
  .form-card{padding:20px;}
  .btn{height:46px;padding:0 18px;}
  .btn--block,.form-card .btn{width:100%;}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root{
  --brand:#0FB5A0;
  --brand-deep:#0A8C7C;
  --violet:#6D4AFF;
  --amber:#FFB020;
  --danger:#E5484D;
  --success:#12A150;
  --ink:#26302E;
  --muted:#5C6B67;
  --line:#E6EAE9;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --hero-a:#082B2A;
  --hero-b:#241B45;
  --footer-bg:#0B1F1D;
  --r-xl:22px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(12,40,36,.06);
  --sh2:0 12px 32px rgba(12,40,36,.10);
  --sh3:0 20px 48px rgba(12,40,36,.14);
  --sec:96px;
  --nav-h:68px;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid rgba(15,181,160,.7);outline-offset:2px}

/* ===== 布局容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--sec) 0}
.section--tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:42px}
.sec-title{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:0}
.sec-sub{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.75}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-deep);background:rgba(15,181,160,.1);border:1px solid rgba(15,181,160,.2);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:16px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn--primary{background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;box-shadow:0 8px 20px rgba(15,181,160,.26)}
.btn--primary:hover{filter:brightness(1.06);box-shadow:var(--sh2);transform:translateY(-2px);color:#fff}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.btn--outline{background:#fff;border-color:#D8E2DF;color:var(--brand-deep)}
.btn--outline:hover{border-color:var(--brand);background:#F1FBF9;color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh1)}
.btn--block{width:100%}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,181,160,.28)}
.btn[disabled],.btn.is-loading{opacity:.62;cursor:not-allowed;filter:saturate(.55);transform:none;box-shadow:none}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  color:#fff;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 8px 24px rgba(6,24,22,.16);
  transition:background .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  color:var(--ink);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(12,40,36,.10);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h);transition:height .28s ease}
.site-header.is-scrolled .nav-inner{height:60px}

.brand{display:flex;align-items:center;gap:11px;color:inherit;flex:none}
.brand:hover{color:inherit}
.brand__mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--violet));
  box-shadow:0 6px 16px rgba(109,74,255,.24);
}
.brand__mark svg{width:20px;height:20px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand__sub{font-size:11.5px;font-weight:500;opacity:.72;letter-spacing:1.6px}

.nav-list{display:flex;align-items:center;gap:26px;margin-left:12px;font-size:15px}
.nav-list a{color:inherit;opacity:.86;position:relative;padding:6px 0}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-list a:hover{opacity:1;color:inherit}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.is-active{opacity:1;font-weight:600}
.nav-list a.is-active::after{transform:scaleX(1)}
.site-header.is-scrolled .nav-list a.is-active{color:var(--brand-deep)}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  transition:background .25s ease,border-color .25s ease;
}
.nav-search svg{width:15px;height:15px;opacity:.8}
.nav-search input{width:148px;background:transparent;border:0;outline:none;color:inherit;font-size:14px}
.nav-search input::placeholder{color:rgba(255,255,255,.72)}
.site-header.is-scrolled .nav-search{background:#F1F5F4;border-color:var(--line)}
.site-header.is-scrolled .nav-search input::placeholder{color:#8A9793}

.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:inherit;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{background:rgba(255,255,255,.22)}
.site-header.is-scrolled .icon-btn{background:#F1F5F4;border-color:var(--line)}
.site-header.is-scrolled .icon-btn:hover{background:#E7EFED}
#searchToggle{display:none}
.nav-burger{display:none}

/* 抽屉菜单 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,22,20,.55);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:80;height:100%;width:82vw;max-width:360px;
  background:linear-gradient(160deg,#0B2321,#171338);
  color:#fff;padding:22px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(105%);transition:transform .32s cubic-bezier(.3,.7,.3,1);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__title{font-size:15px;font-weight:600}
.drawer__close{width:44px;height:44px;border-radius:var(--r-sm);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;display:grid;place-items:center}
.drawer__close:hover{background:rgba(255,255,255,.2)}
.drawer__nav{display:grid;gap:6px}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-sm);
  color:#DCE9E6;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
}
.drawer__nav a:hover{background:rgba(255,255,255,.12);color:#fff}
.drawer__nav a.is-active{color:#fff;border-color:rgba(15,181,160,.5);background:rgba(15,181,160,.16)}
.drawer__nav a span{font-size:12px;color:#8FA5A0}
.drawer__search{display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;border-radius:var(--r-sm);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16)}
.drawer__search input{flex:1;background:transparent;border:0;outline:none;color:#fff;font-size:15px}
.drawer__search input::placeholder{color:rgba(255,255,255,.55)}
.drawer__foot{margin-top:auto;font-size:13px;color:#8FA5A0;line-height:1.7}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:156px 0 88px;
  background:linear-gradient(135deg,var(--hero-a),var(--hero-b));
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.3;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 340px at 12% 16%,rgba(15,181,160,.22),transparent 66%),
    radial-gradient(560px 320px at 86% 80%,rgba(109,74,255,.18),transparent 68%),
    linear-gradient(135deg,rgba(8,43,42,.94) 0%,rgba(36,27,69,.94) 100%);
}
.hero .container{position:relative;z-index:2}

.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(255,255,255,.74);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .sep{opacity:.5}
.crumb .now{color:#fff;font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(28px,4.2vw,44px);font-weight:700;line-height:1.22;letter-spacing:0}
.hero-lead{margin-top:20px;max-width:600px;font-size:16px;line-height:1.8;color:#CFE0DD}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  font-size:13.5px;color:#E4F0EE;
}
.hero-badge b{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff}
.hero-badge svg{width:16px;height:16px;color:var(--brand)}

.hero-figure{position:relative}
.hero-figure .frame{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;
  border:1px solid rgba(255,255,255,.2);box-shadow:var(--sh3);background:#0D2F2D;
}
.hero-figure .frame img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;left:-16px;bottom:-18px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:var(--r-md);
  background:rgba(11,31,29,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.18);box-shadow:var(--sh3);
}
.hero-float .ico{width:38px;height:38px;border-radius:11px;background:rgba(15,181,160,.2);display:grid;place-items:center;color:var(--brand)}
.hero-float .ico svg{width:20px;height:20px}
.hero-float strong{display:block;font-size:14.5px;color:#fff}
.hero-float small{color:#A9C3BF;font-size:12.5px}

/* ===== 检查项卡片（双列） ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.check-card{
  display:flex;align-items:flex-start;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(15,181,160,.32)}
.check-icon{
  width:52px;height:52px;border-radius:14px;flex:none;
  display:grid;place-items:center;
  background:rgba(15,181,160,.1);color:var(--brand-deep);
  border:1px solid rgba(15,181,160,.16);
}
.check-icon svg{width:24px;height:24px}
.check-body{flex:1;min-width:0}
.check-body h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px}
.check-body p{font-size:14.5px;line-height:1.72;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;gap:6px;flex:none;
  padding:5px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;border:1px solid transparent;white-space:nowrap;
}
.tag--ok{color:var(--success);background:rgba(18,161,80,.1);border-color:rgba(18,161,80,.22)}
.tag--warn{color:#9A6400;background:rgba(255,176,32,.16);border-color:rgba(255,176,32,.34)}
.tag--tip{color:var(--muted);background:#F1F4F3;border-color:var(--line)}
.tag--brand{color:var(--brand-deep);background:rgba(15,181,160,.1);border-color:rgba(15,181,160,.22)}

/* ===== 深色数据区 ===== */
.stats{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#0A2A28 0%,#1E1840 100%);
  padding:88px 0;
}
.stats::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 300px at 88% 12%,rgba(109,74,255,.22),transparent 68%),
    radial-gradient(480px 280px at 6% 88%,rgba(15,181,160,.18),transparent 68%);
}
.stats .container{position:relative;z-index:2}
.stats .sec-title{color:#fff}
.stats .sec-sub{color:#B7CBC7}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stat{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--r-lg);padding:26px;
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.stat:hover{transform:translateY(-4px);background:rgba(255,255,255,.11);border-color:rgba(15,181,160,.5)}
.stat b{display:block;font-size:clamp(28px,3.4vw,36px);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff}
.stat b em{font-style:normal;font-size:15px;font-weight:600;color:var(--brand);margin-left:6px}
.stat span{display:block;margin-top:10px;font-size:14px;line-height:1.7;color:#B7CBC7}
.stat-bar{margin-top:34px}
.stat-bar .label{display:flex;justify-content:space-between;font-size:13.5px;color:#B7CBC7;margin-bottom:10px}
.bar{height:9px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);overflow:hidden}
.bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand),var(--violet))}

/* ===== 图文交替 ===== */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.feature + .feature{margin-top:74px}
.feature--rev .feature-media{order:2}
.feature-media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:3/2;
  background:#E7EDEB;box-shadow:var(--sh2);border:1px solid var(--line);
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature h3{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:14px}
.feature p{color:var(--muted);font-size:15.5px}
.feature ul{margin-top:18px;display:grid;gap:11px}
.feature li{position:relative;padding-left:24px;font-size:15px;line-height:1.7}
.feature li::before{
  content:"";position:absolute;left:0;top:.6em;
  width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),var(--violet));
}
.feature .link-more{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:600;font-size:15px}
.feature .link-more svg{width:16px;height:16px;transition:transform .22s ease}
.feature .link-more:hover svg{transform:translateX(3px)}

/* ===== 提示条 ===== */
.alert{
  display:flex;gap:16px;align-items:flex-start;
  background:#FFF8EC;border-left:4px solid var(--amber);
  border-radius:14px;padding:22px 24px;box-shadow:var(--sh1);
}
.alert svg{width:24px;height:24px;flex:none;color:#B87A00;margin-top:2px}
.alert h3{font-size:17px;font-weight:600;margin-bottom:6px;color:#5A3D00}
.alert p{font-size:14.5px;line-height:1.75;color:#6B5220}
.alert--danger{background:#FEF1F1;border-left-color:var(--danger)}
.alert--danger svg{color:var(--danger)}
.alert--danger h3{color:#8C2225}
.alert--danger p{color:#7A3A3C}

/* ===== 联系 / 表单 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:44px;align-items:start}
.contact-list{display:grid;gap:16px;margin-top:26px}
.contact-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--sh1);
}
.contact-item .ico{
  width:42px;height:42px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:rgba(109,74,255,.1);color:var(--violet);border:1px solid rgba(109,74,255,.16);
}
.contact-item .ico svg{width:20px;height:20px}
.contact-item strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.contact-item span{font-size:14px;color:var(--muted);line-height:1.7}

.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh2);
}
.form-card h3{font-size:20px;font-weight:600;margin-bottom:8px}
.form-card .hint{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.field .req{color:var(--brand);margin-left:2px}
.input,.select,.textarea{
  width:100%;border:1px solid #D8E2DF;border-radius:var(--r-sm);
  background:#fff;padding:0 14px;min-height:46px;font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.textarea{min-height:126px;padding:12px 14px;line-height:1.7;resize:vertical}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,181,160,.14);
}
.input::placeholder,.textarea::placeholder{color:#9AA8A4}
.field.has-error .input,.field.has-error .select,.field.has-error .textarea{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.12)}
.field-error{display:none;margin-top:7px;font-size:13px;color:var(--danger)}
.field.has-error .field-error{display:block}
.form-note{margin-top:14px;font-size:13px;color:var(--muted)}
.form-success{
  display:none;margin-bottom:20px;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(18,161,80,.1);border:1px solid rgba(18,161,80,.28);
  color:#0B6B37;font-size:14px;
}
.form-success.is-visible{display:block}

/* ===== 底部 CTA 条 ===== */
.cta-band{
  background:linear-gradient(135deg,rgba(15,181,160,.12),rgba(109,74,255,.12));
  border:1px solid rgba(15,181,160,.22);
  border-radius:var(--r-xl);padding:34px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h3{font-size:21px;font-weight:700;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--muted);max-width:620px}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--footer-bg);color:#C7D6D2;padding:74px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;font-size:16px;margin-bottom:16px}
.footer-brand .brand__mark{width:34px;height:34px;border-radius:11px}
.footer-brand .brand__mark svg{width:18px;height:18px}
.site-footer p{font-size:14px;line-height:1.8;color:#9FB3AF;max-width:340px}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#A9B8B4;font-size:14px;border-bottom:2px solid transparent;padding-bottom:2px;transition:color .22s ease,border-color .22s ease}
.footer-links a:hover{color:#fff;border-bottom-color:var(--brand)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#A9B8B4;margin-bottom:13px;line-height:1.7}
.footer-contact svg{width:17px;height:17px;flex:none;margin-top:4px;color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:52px;padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:#8FA5A0;
}
.footer-bottom a{color:#8FA5A0}
.footer-bottom a:hover{color:#fff;border-bottom:2px solid var(--brand)}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{max-width:1040px}
}
@media (max-width:1023px){
  :root{--sec:64px;--nav-h:64px}
  .container{max-width:960px}
  .nav-list,.nav-search,.nav-cta{display:none}
  .nav-burger{display:inline-flex}
  #searchToggle{display:inline-flex}
  .nav-search{
    position:absolute;top:calc(100% + 10px);left:16px;right:16px;
    height:46px;margin:0;
  }
  .nav-search input{width:100%}
  .nav-search.is-open{display:flex}
  .site-header.is-scrolled .nav-search{background:#fff;border-color:var(--line)}
  .hero{padding:132px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-lead{max-width:none}
  .hero-float{left:12px;bottom:-14px}
  .check-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr;gap:32px}
  .feature--rev .feature-media{order:0}
  .contact-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:44px}
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:44px 0}
  .hero{padding:112px 0 58px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 auto}
  .hero-badges{gap:10px}
  .hero-badge{padding:8px 13px;font-size:12.5px}
  .hero-figure .frame{aspect-ratio:16/11}
  .hero-float{position:static;left:auto;bottom:auto;margin-top:-28px;margin-left:12px;margin-right:12px}
  .stat-grid{grid-template-columns:1fr}
  .check-card{padding:20px;gap:14px;flex-wrap:wrap}
  .check-icon{width:46px;height:46px}
  .check-card .tag{order:3;margin-left:60px}
  .feature + .feature{margin-top:44px}
  .contact-item{padding:16px}
  .form-card{padding:22px}
  .cta-band{padding:24px}
  .cta-band .actions{width:100%}
  .cta-band .actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:52px}
  .icon-btn{width:44px;height:44px}
  .btn{min-height:44px}
  .brand__sub{display:none}
  .brand__name{font-size:15px}
}
@media (max-width:479px){
  .hero h1{font-size:26px}
  .sec-title{font-size:22px}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .check-card .tag{margin-left:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand:#0FB5A0;
  --brand-dark:#0A8C7C;
  --violet:#6D4AFF;
  --amber:#FFB020;
  --danger:#E5484D;
  --success:#12A150;
  --hero-a:#082B2A;
  --hero-b:#241B45;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --line:#E6EAE9;
  --text:#26302E;
  --muted:#5C6B67;
  --on-dark:#D8E5E2;
  --r-lg:20px;
  --r-md:16px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-1:0 2px 8px rgba(12,40,36,.06);
  --shadow-2:0 12px 32px rgba(12,40,36,.10);
  --shadow-3:0 20px 48px rgba(12,40,36,.14);
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(15,181,160,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--light{background:var(--bg)}
.section--white{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:0}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-dark);background:rgba(15,181,160,.10);
  border:1px solid rgba(15,181,160,.20);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow--dark{color:#8FE4D8;background:rgba(15,181,160,.16);border-color:rgba(15,181,160,.32)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn--primary{
  color:#fff;
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 52%,var(--violet) 130%);
  box-shadow:0 8px 20px rgba(15,181,160,.28),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn--primary:hover{filter:brightness(1.06);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(15,181,160,.24)}
.btn--ghost{
  color:var(--brand-dark);background:#fff;border:1px solid #D8E2DF;
}
.btn--ghost:hover{color:var(--brand-dark);border-color:var(--brand);background:rgba(15,181,160,.06);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn--ghost:active{transform:translateY(0)}
.btn--on-dark{
  color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.40);
}
.btn--on-dark:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn--on-dark:active{transform:translateY(0)}
.btn[disabled]{opacity:.55;filter:saturate(.5);cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{pointer-events:none;opacity:.78}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 8px 26px rgba(4,20,18,.20);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px;transition:height var(--ease)}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(12,40,36,.10);
}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--violet) 100%);
  box-shadow:0 6px 16px rgba(15,181,160,.30);
}
.brand__mark svg{width:22px;height:22px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:16px;font-weight:700;color:#fff;letter-spacing:0;transition:color var(--ease)}
.brand__sub{font-size:11px;color:rgba(216,229,226,.75);letter-spacing:.06em;transition:color var(--ease)}
.site-header.is-scrolled .brand__name{color:var(--text)}
.site-header.is-scrolled .brand__sub{color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-list a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.86);
  transition:color var(--ease),background var(--ease);
}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.14)}
.nav-list a.is-active{color:#fff;font-weight:600}
.nav-list a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--brand);
}
.site-header.is-scrolled .nav-list a{color:var(--muted)}
.site-header.is-scrolled .nav-list a:hover{color:var(--brand-dark);background:rgba(15,181,160,.08)}
.site-header.is-scrolled .nav-list a.is-active{color:var(--brand-dark)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{display:flex;align-items:center}
.nav-search input{
  width:190px;height:40px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.32);
  color:#fff;font-size:14px;outline:none;
  transition:background var(--ease),border-color var(--ease),color var(--ease),width var(--ease);
}
.nav-search input::placeholder{color:rgba(255,255,255,.68)}
.nav-search input:focus{width:220px;border-color:var(--brand);background:rgba(255,255,255,.22)}
.site-header.is-scrolled .nav-search input{background:#F2F5F4;border-color:var(--line);color:var(--text)}
.site-header.is-scrolled .nav-search input::placeholder{color:#8истина}
.site-header.is-scrolled .nav-search input::placeholder{color:#8A9995}
.icon-btn{
  width:44px;height:44px;border-radius:12px;display:none;place-items:center;
  color:#fff;border:1px solid rgba(255,255,255,.30);background:rgba(255,255,255,.10);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn svg{width:20px;height:20px}
.icon-btn:hover{background:rgba(255,255,255,.22)}
.site-header.is-scrolled .icon-btn{color:var(--text);border-color:var(--line);background:#fff}
#searchToggle{display:none}
.nav-burger{display:none}
.nav-cta{height:44px;padding:0 18px;font-size:14px}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(216,229,226,.78);margin-bottom:22px}
.crumbs a{color:rgba(216,229,226,.90)}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumbs span.sep{opacity:.55}
.crumbs .current{color:#fff;font-weight:600}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--hero-a) 0%,var(--hero-b) 100%);
  color:#fff;padding:140px 0 76px;
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.24;
}
.page-hero .hero-glow{
  position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 12% 18%,rgba(15,181,160,.30),transparent 66%),
    radial-gradient(520px 320px at 88% 78%,rgba(109,74,255,.28),transparent 68%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);font-weight:700;line-height:1.22;
  max-width:900px;letter-spacing:0;
}
.page-hero .lede{
  margin-top:18px;max-width:760px;
  font-size:16px;line-height:1.85;color:var(--on-dark);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:500;
  color:#fff;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.26);
}
.chip svg{width:15px;height:15px;flex:0 0 15px}

/* ---------- 筛选锚点条 ---------- */
.filter-bar{
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.filter-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:18px 0}
.filter-inner .filter-label{font-size:13.5px;color:var(--muted);margin-right:6px}
.filter-link{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--muted);
  background:#F2F5F4;border:1px solid transparent;
  transition:all var(--ease);
}
.filter-link:hover{color:var(--brand-dark);border-color:rgba(15,181,160,.35);background:rgba(15,181,160,.08);transform:translateY(-2px)}
.filter-link.is-active{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-dark));box-shadow:0 6px 16px rgba(15,181,160,.28)}

/* ---------- FAQ 手风琴 ---------- */
.faq-group{margin-bottom:52px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.group-head .badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 12px;border-radius:12px;
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--violet));
  box-shadow:0 6px 16px rgba(15,181,160,.26);
}
.group-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35}
.group-head .group-note{font-size:14px;color:var(--muted);margin-left:auto;display:none}
@media (min-width:768px){.group-head .group-note{display:block}}

.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.faq-item:hover{border-color:rgba(15,181,160,.30);box-shadow:var(--shadow-2)}
.faq-item.is-open{
  border-color:rgba(15,181,160,.42);
  background:linear-gradient(180deg,rgba(15,181,160,.06),#fff 60%);
  box-shadow:var(--shadow-2);
}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:16px;text-align:left;
  padding:20px 22px;font-size:16px;font-weight:600;line-height:1.6;color:var(--text);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-item.is-open .faq-q{color:var(--brand-dark)}
.faq-q .q-text{flex:1}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;margin-top:2px;
  border-radius:8px;background:rgba(15,181,160,.12);
  transition:transform .28s ease,background var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-dark);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(109,74,255,.16)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a__inner{padding:0 22px 22px 22px;font-size:15px;line-height:1.8;color:var(--muted)}
.faq-a__inner p+p{margin-top:12px}
.faq-a__inner .tip{
  display:flex;gap:10px;margin-top:14px;padding:12px 14px;border-radius:12px;
  background:rgba(255,176,32,.10);border-left:3px solid var(--amber);
  font-size:14px;color:#6B5314;
}
.faq-a__inner .tip svg{width:17px;height:17px;flex:0 0 17px;margin-top:3px;color:#B57E06}

/* ---------- 支持 / 联系 ---------- */
.support-wrap{display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:1024px){.support-wrap{grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}}
.support-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-2);position:relative;background:#DDE6E3;
}
.support-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.support-media .media-tag{
  position:absolute;left:18px;bottom:18px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;color:#fff;
  background:rgba(8,43,42,.74);border:1px solid rgba(255,255,255,.26);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.support-points{display:grid;gap:14px;margin-top:24px}
.support-points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.support-points li:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,181,160,.30)}
.support-points .dot{
  flex:0 0 10px;width:10px;height:10px;margin-top:10px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),var(--violet));
}
.support-points strong{display:block;font-size:15.5px;font-weight:600;color:var(--text)}
.support-points span{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.7}

.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow-2);
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:6px}
.form-card .form-note{font-size:14px;color:var(--muted);margin-bottom:22px}
.form-alert{
  display:none;align-items:flex-start;gap:10px;
  padding:12px 16px;border-radius:12px;margin-bottom:18px;
  font-size:14px;line-height:1.7;
}
.form-alert.is-visible{display:flex}
.form-alert--ok{background:rgba(18,161,80,.10);border:1px solid rgba(18,161,80,.30);color:#0B6B36}
.form-alert--err{background:rgba(229,72,77,.08);border:1px solid rgba(229,72,77,.28);color:#A8232A}
.form-alert svg{width:18px;height:18px;flex:0 0 18px;margin-top:2px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.field label .req{color:var(--brand-dark);font-weight:700;margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid #D8E2DF;background:#FBFCFC;color:var(--text);
  font-size:15px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(15,181,160,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--danger);background:rgba(229,72,77,.04);
}
.field-error{display:none;margin-top:6px;font-size:13px;color:var(--danger)}
.field.has-error .field-error{display:block}
.form-card .btn{width:100%}
.form-foot{margin-top:14px;font-size:13px;color:var(--muted);text-align:center}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--hero-a) 0%,var(--hero-b) 100%);
  padding:72px 0;
}
.cta-band .cta-glow{
  position:absolute;inset:0;
  background:
    radial-gradient(520px 300px at 82% 18%,rgba(109,74,255,.30),transparent 66%),
    radial-gradient(520px 300px at 10% 88%,rgba(15,181,160,.26),transparent 68%);
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{display:grid;gap:26px;grid-template-columns:1fr;align-items:center}
@media (min-width:900px){.cta-inner{grid-template-columns:1.4fr auto}}
.cta-inner h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3}
.cta-inner p{margin-top:12px;color:var(--on-dark);font-size:15px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0B1F1D;color:#A9B8B4;padding:72px 0 0;
}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;padding-bottom:44px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:16px}
.footer-brand .brand__mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px}
.site-footer p{font-size:14px;line-height:1.8;color:#A9B8B4;max-width:420px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{
  font-size:14px;color:#A9B8B4;border-bottom:2px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.footer-links a:hover{color:#fff;border-bottom-color:var(--brand)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:12px;line-height:1.7}
.footer-contact svg{width:18px;height:18px;flex:0 0 18px;margin-top:3px;color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8A9995;
}
.footer-bottom a{color:#A9B8B4}
.footer-bottom a:hover{color:#fff;border-bottom:2px solid var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{max-width:960px}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .nav-search input{width:150px}
  .nav-search input:focus{width:170px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:44px 0}
  .page-hero{padding:118px 0 56px}
  .nav-inner{gap:12px;height:62px}
  .site-header.is-scrolled .nav-inner{height:58px}
  .brand__mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px}
  .brand__mark svg{width:20px;height:20px}
  .brand__name{font-size:15px}
  .brand__sub{display:none}
  .nav-search{display:none}
  .nav-cta{display:none}
  #searchToggle{display:grid}
  .nav-burger{display:grid}
  .site-header.search-open .nav-search{
    display:flex;position:absolute;left:16px;right:16px;top:calc(100% + 10px);
    background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:8px;box-shadow:var(--shadow-3);
  }
  .site-header.search-open .nav-search input{
    width:100%;background:#F2F5F4;border-color:var(--line);color:var(--text);
  }
  .site-header.search-open .nav-search input::placeholder{color:#8A9995}
  .nav-list{
    position:fixed;top:0;right:0;z-index:95;
    width:82vw;max-width:330px;height:100dvh;
    flex-direction:column;align-items:stretch;gap:6px;margin:0;
    padding:92px 20px 28px;
    background:#0B1F1D;
    border-left:1px solid rgba(255,255,255,.10);
    box-shadow:-18px 0 48px rgba(4,20,18,.36);
    transform:translateX(100%);
    transition:transform .3s ease;
    overflow-y:auto;
  }
  .nav-list.is-open{transform:translateX(0)}
  .nav-list a,.site-header.is-scrolled .nav-list a{
    color:rgba(255,255,255,.88);padding:14px 12px;font-size:16px;border-radius:12px;
  }
  .nav-list a:hover,.site-header.is-scrolled .nav-list a:hover{background:rgba(255,255,255,.10);color:#fff}
  .nav-list a.is-active,.site-header.is-scrolled .nav-list a.is-active{color:#fff;background:rgba(15,181,160,.20)}
  .nav-list a.is-active::after{display:none}
  .form-card{padding:22px}
  .faq-q{padding:18px 16px;font-size:15.5px}
  .faq-a__inner{padding:0 16px 18px}
  .cta-actions .btn{width:100%}
  .filter-inner{padding:14px 0}
  .filter-link{height:36px;padding:0 13px;font-size:13.5px}
}
@media (max-width:480px){
  .brand__name{font-size:14px}
  .btn{height:46px;padding:0 18px;font-size:14.5px}
  .cta-actions{width:100%}
  .group-head{flex-wrap:wrap}
  .group-head .badge{min-width:36px;height:36px;border-radius:10px}
}