/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --ink:#111815;
  --ink-2:#5B6B63;
  --ink-3:#8B9A92;
  --dark:#0B1210;
  --dark-2:#131D19;
  --dark-3:#182420;
  --mist:#F3F6F1;
  --card:#FFFFFF;
  --line:#DCE3DB;
  --line-2:#E8EDE6;
  --green:#00D6A3;
  --green-d:#00B489;
  --green-soft:rgba(0,214,163,.12);
  --orange:#FF5C35;
  --orange-d:#E8471F;
  --lemon:#DFFF4F;
  --white:#F7FBF8;
  --r-xl:22px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sh-1:0 10px 30px rgba(8,16,14,.08);
  --sh-2:0 16px 40px rgba(8,16,14,.14);
  --ease:cubic-bezier(.22,.68,.36,1);
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--mist);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(0,214,163,.45);outline-offset:2px;border-radius:8px;}
::selection{background:var(--green);color:#06231C;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--green);color:#06231C;padding:12px 20px;border-radius:0 0 12px 0;font-weight:700;
}
.skip-link:focus{left:0;}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;position:relative;}
.section--white{background:var(--card);}
.section--mist{background:var(--mist);}
.section--dark{background:var(--dark);color:var(--white);}
.section--tight{padding:72px 0;}

.sec-head{max-width:780px;margin-bottom:52px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13.5px;font-weight:800;letter-spacing:.06em;
  color:var(--green-d);
}
.sec-eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--green);}
.section--dark .sec-eyebrow{color:var(--green);}
.sec-title{font-size:34px;margin:16px 0 14px;color:var(--ink);}
.section--dark .sec-title{color:var(--white);}
.sec-desc{font-size:16.5px;color:var(--ink-2);margin:0;max-width:720px;}
.section--dark .sec-desc{color:rgba(247,251,248,.68);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15.5px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--green);color:#06231C;}
.btn--primary:hover{background:var(--green-d);color:#042019;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,214,163,.32);}
.btn--primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(0,214,163,.28);}
.btn--orange{background:var(--orange);color:#fff;}
.btn--orange:hover{background:var(--orange-d);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,92,53,.34);}
.btn--orange:active{transform:translateY(1px);}
.btn--ghost{background:transparent;border-color:rgba(0,214,163,.55);color:var(--white);}
.btn--ghost:hover{background:rgba(0,214,163,.16);border-color:var(--green);color:var(--white);transform:translateY(-2px);}
.btn--outline{background:transparent;border-color:var(--line);color:var(--ink);}
.btn--outline:hover{border-color:var(--green);background:var(--green-soft);transform:translateY(-2px);}
.btn--sm{min-height:42px;padding:0 20px;font-size:14.5px;}
.btn--block{width:100%;}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;line-height:1;
  padding:6px 12px;border-radius:999px;white-space:nowrap;
}
.badge--live{background:rgba(0,214,163,.16);color:var(--green);border:1px solid rgba(0,214,163,.4);}
.badge--lemon{background:rgba(223,255,79,.16);color:var(--lemon);border:1px solid rgba(223,255,79,.42);}
.badge--orange{background:rgba(255,92,53,.14);color:var(--orange);border:1px solid rgba(255,92,53,.36);}
.badge--soft{background:var(--green-soft);color:#0A7A5D;border:1px solid rgba(0,214,163,.32);}
.badge--plain{background:var(--mist);color:var(--ink-2);border:1px solid var(--line);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

/* ============ 顶部活动条 ============ */
.topbar{background:var(--dark);border-bottom:1px solid rgba(255,255,255,.07);}
.topbar__inner{
  display:flex;align-items:center;gap:18px;min-height:44px;padding-top:6px;padding-bottom:6px;
}
.topbar__text{
  flex:1;margin:0;font-size:14px;color:rgba(247,251,248,.78);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.topbar__text b{color:var(--lemon);font-weight:700;}
.topbar__cta{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--green);
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.topbar__cta:hover{color:var(--lemon);gap:10px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--dark);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,18,16,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:0 12px 34px rgba(0,0,0,.4);
}
.header__inner{display:flex;align-items:center;gap:26px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand__mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--green),#00A57E);
  display:grid;place-items:center;
  box-shadow:0 8px 22px rgba(0,214,163,.3);
}
.brand__mark svg{width:21px;height:21px;}
.brand__text{display:flex;align-items:center;gap:9px;}
.brand__text strong{font-size:19px;font-weight:800;color:var(--white);letter-spacing:.02em;white-space:nowrap;}
.brand__text em{
  font-style:normal;font-size:11.5px;font-weight:700;line-height:1;
  color:var(--lemon);background:rgba(223,255,79,.12);
  border:1px solid rgba(223,255,79,.42);border-radius:999px;padding:4px 9px;white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 15px;border-radius:10px;
  font-size:15.5px;font-weight:500;color:rgba(247,251,248,.72);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--white);background:rgba(255,255,255,.07);}
.nav-link.is-active{color:var(--white);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;
  height:3px;border-radius:3px;background:var(--green);
}
.header__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  transition:background .2s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:var(--white);}

/* ============ 移动端抽屉 ============ */
.mobile-nav{background:var(--dark-2);width:290px;}
.mobile-nav__head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-nav__close{
  width:40px;height:40px;border-radius:10px;cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:var(--white);font-size:20px;line-height:1;
}
.mobile-nav__links{display:flex;flex-direction:column;padding:12px 12px 20px;}
.mobile-nav__link{
  padding:15px 14px;border-radius:12px;font-size:16px;font-weight:600;
  color:rgba(247,251,248,.8);border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.mobile-nav__link:hover{background:rgba(0,214,163,.12);color:var(--white);}
.mobile-nav__link.is-active{color:var(--green);}
.mobile-nav__foot{padding:0 20px 28px;}
.off-canvas-content{box-shadow:none;}
.off-canvas.is-open{transform:translateX(0);}

/* ============ Hero ============ */
.hero{position:relative;background:var(--dark);color:var(--white);overflow:hidden;padding:86px 0 96px;}
.hero__bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.32;
}
.hero__scrim{
  position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(11,18,16,.97) 0%,rgba(11,18,16,.9) 40%,rgba(11,18,16,.55) 100%);
}
.hero__lines{
  position:absolute;right:-60px;bottom:-80px;width:520px;height:520px;
  background:repeating-linear-gradient(115deg,rgba(0,214,163,.22) 0 2px,transparent 2px 22px);
  transform:rotate(-8deg);opacity:.5;pointer-events:none;
}
.hero__inner{position:relative;z-index:3;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero__pill{
  display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;
  color:var(--green);background:rgba(0,214,163,.1);
  border:1px solid rgba(0,214,163,.3);border-radius:999px;padding:7px 15px;
}
.hero__title{font-size:50px;line-height:1.22;margin:22px 0 20px;color:var(--white);letter-spacing:-.02em;}
.hero__title mark{background:none;color:var(--green);}
.hero__lead{font-size:17.5px;line-height:1.85;color:rgba(247,251,248,.78);max-width:600px;margin-bottom:32px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero__points{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero__points li{
  position:relative;padding-left:24px;font-size:15px;color:rgba(247,251,248,.74);
}
.hero__points li::before{
  content:"";position:absolute;left:0;top:50%;width:14px;height:14px;margin-top:-7px;
  border-radius:50%;background:rgba(0,214,163,.18);border:1px solid var(--green);
}
.hero__points li::after{
  content:"";position:absolute;left:4.5px;top:50%;width:5px;height:9px;margin-top:-6px;
  border-right:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(42deg);
}

/* Hero 活动卡 */
.live-card{
  background:rgba(19,29,25,.88);
  border:1px solid rgba(0,214,163,.24);
  border-radius:var(--r-xl);
  padding:28px;
  box-shadow:0 28px 66px rgba(0,0,0,.5),0 0 0 1px rgba(0,214,163,.08) inset;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.live-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.live-card__date{font-size:13px;color:rgba(247,251,248,.6);}
.live-card h2{font-size:23px;color:var(--white);margin-bottom:10px;}
.live-card p{font-size:14.5px;color:rgba(247,251,248,.66);margin-bottom:20px;}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:22px;}
.countdown__unit{
  background:rgba(0,214,163,.08);border:1px solid rgba(0,214,163,.22);
  border-radius:var(--r-md);padding:12px 4px;text-align:center;
}
.countdown__unit b{display:block;font-size:26px;font-weight:800;color:var(--green);line-height:1.1;}
.countdown__unit span{font-size:12px;color:rgba(247,251,248,.55);}
.live-card__meta{
  display:flex;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.09);
  font-size:13px;color:rgba(247,251,248,.55);
}
.live-card__meta b{color:var(--lemon);}

/* ============ 服务能力 ============ */
.cap-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:stretch;}
.cap-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  display:flex;flex-direction:column;
}
.cap-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,214,163,.55);}
.cap-main__media{aspect-ratio:16/9;overflow:hidden;background:var(--dark);}
.cap-main__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.cap-main:hover .cap-main__media img{transform:scale(1.05);}
.cap-main__body{padding:30px 32px 34px;display:flex;flex-direction:column;flex:1;}
.cap-main__body h3{font-size:23px;margin-bottom:12px;}
.cap-main__body p{font-size:15.5px;color:var(--ink-2);margin-bottom:20px;}
.cap-list{margin-bottom:24px;}
.cap-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);margin-bottom:9px;}
.cap-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:2px;border-radius:2px;background:var(--green);}
.cap-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.cap-sub{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.cap-sub:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,214,163,.55);}
.cap-sub h3{font-size:19px;margin:14px 0 10px;}
.cap-sub p{font-size:15px;color:var(--ink-2);margin:0;}
.cap-bar{
  margin-top:24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.cap-bar__item{padding:24px 26px;border-right:1px solid var(--line-2);}
.cap-bar__item:last-child{border-right:0;}
.cap-bar__item strong{display:block;font-size:16px;font-weight:800;margin-bottom:6px;}
.cap-bar__item span{font-size:14px;color:var(--ink-2);}

/* ============ 数据区 ============ */
.stats{position:relative;overflow:hidden;}
.stats__dots{
  position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(0,214,163,.28) 1px,transparent 1px);
  background-size:24px 24px;opacity:.28;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 26%,#000 74%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 26%,#000 74%,transparent);
}
.stats__grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-lg);padding:30px 26px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.stat:hover{transform:translateY(-4px);border-color:rgba(0,214,163,.55);background:rgba(0,214,163,.07);}
.stat__num{font-size:46px;font-weight:800;line-height:1.05;color:var(--green);letter-spacing:-.02em;}
.stat:nth-child(2) .stat__num{color:var(--orange);}
.stat:nth-child(3) .stat__num{color:var(--lemon);}
.stat__label{font-size:15px;font-weight:700;color:var(--white);margin:14px 0 6px;}
.stat__note{font-size:13.5px;color:rgba(247,251,248,.6);}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  display:flex;flex-direction:column;
}
.case-card:nth-child(even){margin-top:34px;}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(0,214,163,.55);}
.case-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark);}
.case-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.case-card:hover .case-card__media img{transform:scale(1.05);}
.case-card__tag{position:absolute;left:16px;top:16px;background:rgba(11,18,16,.82);color:var(--lemon);}
.case-card__body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1;}
.case-card__body h3{font-size:20px;margin-bottom:10px;}
.case-card__body p{font-size:15px;color:var(--ink-2);margin-bottom:18px;}
.case-card__foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;color:var(--ink-3);
}
.case-card__link{font-weight:700;color:var(--green-d);display:inline-flex;align-items:center;gap:6px;transition:gap .2s var(--ease);}
.case-card:hover .case-card__link{gap:10px;}

/* ============ 方案流程 ============ */
.plan-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.steps{display:flex;flex-direction:column;gap:6px;}
.step{
  display:flex;gap:20px;padding:22px 20px;border-radius:var(--r-lg);
  border:1px solid transparent;transition:background .28s var(--ease),border-color .28s var(--ease);
}
.step:hover{background:var(--mist);border-color:var(--line);}
.step__no{
  flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-size:16px;font-weight:800;
  background:var(--green-soft);color:#0A7A5D;border:1px solid rgba(0,214,163,.35);
}
.step:nth-child(2) .step__no{background:rgba(255,92,53,.12);color:var(--orange-d);border-color:rgba(255,92,53,.3);}
.step:nth-child(4) .step__no{background:rgba(223,255,79,.28);color:#6B7A12;border-color:rgba(223,255,79,.7);}
.step__body h3{font-size:19px;margin-bottom:8px;}
.step__body p{font-size:15px;color:var(--ink-2);margin:0;}
.plan-media{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);aspect-ratio:4/3;background:var(--dark);
}
.plan-media img{width:100%;height:100%;object-fit:cover;}
.plan-metric{
  margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
}
.plan-metric div{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;text-align:center;box-shadow:var(--sh-1);
}
.plan-metric b{display:block;font-size:22px;font-weight:800;color:var(--green-d);}
.plan-metric span{font-size:13px;color:var(--ink-2);}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 26px 24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,214,163,.55);}
.news-card__hit{position:absolute;inset:0;z-index:1;border-radius:var(--r-lg);}
.news-card__top{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.news-card h3{font-size:18.5px;line-height:1.5;margin-bottom:12px;transition:color .2s var(--ease);}
.news-card:hover h3{color:var(--green-d);}
.news-card__desc{font-size:15px;color:var(--ink-2);margin:0 0 20px;}
.news-card__foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--ink-3);
}
.news-card__more{font-weight:700;color:var(--green-d);}
.empty-state{
  grid-column:1/-1;background:var(--card);border:1px dashed var(--line);
  border-radius:var(--r-xl);padding:64px 32px;text-align:center;
}
.empty-state__icon{
  width:66px;height:66px;margin:0 auto 20px;border-radius:20px;
  background:var(--dark);position:relative;overflow:hidden;
}
.empty-state__icon::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(0,214,163,.6) 0 2px,transparent 2px 10px);
}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:22px;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start;}
.faq-wrap .sec-head{margin-bottom:0;position:sticky;top:110px;}
.faq.accordion{background:transparent;border:0;margin:0;}
.faq .accordion-item{border:0;border-bottom:1px solid var(--line);}
.faq .accordion-item:first-child{border-top:1px solid var(--line);}
.faq .accordion-title{
  position:relative;display:block;padding:24px 60px 24px 18px;
  font-size:17.5px;font-weight:700;line-height:1.55;color:var(--ink);
  background:none;border:0;
  transition:color .2s var(--ease);
}
.faq .accordion-title:hover{color:var(--green-d);}
.faq .accordion-title::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:0;
  background:var(--green);border-radius:3px;transform:translateY(-50%);
  transition:height .3s var(--ease);
}
.faq .accordion-item.is-active .accordion-title::before{height:30px;}
.faq .accordion-title::after{
  content:"+";position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:25px;font-weight:400;line-height:1;color:var(--green);
  transition:transform .3s var(--ease);
}
.faq .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);}
.faq .accordion-content{
  padding:0 60px 26px 18px;border:0;background:none;
  color:var(--ink-2);font-size:15.5px;line-height:1.85;
}

/* ============ 联系 ============ */
.contact-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:36px;box-shadow:var(--sh-1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14.5px;font-weight:700;margin-bottom:9px;color:var(--ink);}
.field label .req{color:var(--orange);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;padding:0 16px;height:48px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFDFA;color:var(--ink);
  font-size:15.5px;transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
  -webkit-appearance:none;appearance:none;
}
.field textarea{height:120px;padding:14px 16px;line-height:1.7;resize:vertical;}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;border-color:var(--green);background:#F1FCF8;
  box-shadow:0 0 0 3px rgba(0,214,163,.16);
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field .form-error{display:none;margin-top:7px;font-size:13.5px;color:var(--orange-d);font-weight:600;}
.field.is-invalid-label input,
.field.is-invalid-label textarea,
.field.is-invalid-label select{border-color:var(--orange);background:#FFF6F3;}
.field.is-invalid-label .form-error{display:block;}
.check-field{display:flex;align-items:flex-start;gap:10px;margin-bottom:24px;}
.check-field input{width:18px;height:18px;margin-top:3px;accent-color:var(--green);flex:0 0 auto;}
.check-field label{font-size:14px;color:var(--ink-2);font-weight:400;margin:0;line-height:1.7;}
.check-field .form-error{display:none;color:var(--orange-d);font-size:13.5px;font-weight:600;margin-top:6px;}
.check-field.is-invalid-label .form-error{display:block;}

.contact-side{display:flex;flex-direction:column;gap:20px;}
.contact-info{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-1);
}
.contact-info h3{font-size:20px;margin-bottom:18px;}
.contact-info dl{margin:0;}
.contact-info dt{font-size:13.5px;color:var(--ink-3);margin-bottom:2px;}
.contact-info dd{margin:0 0 18px;font-size:16px;font-weight:700;}
.contact-info dd:last-child{margin-bottom:0;}
.contact-info dd span{font-weight:400;color:var(--ink-2);font-size:14.5px;}
.map-ph{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--dark);min-height:210px;border:1px solid rgba(0,214,163,.2);
  display:flex;align-items:flex-end;padding:24px;
}
.map-ph::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(0,214,163,.35) 1px,transparent 1px);
  background-size:20px 20px;opacity:.4;
}
.map-ph::after{
  content:"";position:absolute;left:24px;top:24px;width:44px;height:44px;
  border-radius:50%;border:2px solid var(--orange);
  box-shadow:0 0 0 8px rgba(255,92,53,.12);
}
.map-ph__text{position:relative;z-index:2;color:var(--white);}
.map-ph__text strong{display:block;font-size:16px;margin-bottom:4px;}
.map-ph__text span{font-size:13.5px;color:rgba(247,251,248,.6);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--white);position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--green),var(--lemon),var(--orange));
  opacity:.85;
}
.footer-cta{
  border-bottom:1px solid rgba(255,255,255,.08);
  background:rgba(0,214,163,.05);
}
.footer-cta__inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:44px 0;flex-wrap:wrap;
}
.footer-cta h2{font-size:26px;color:var(--white);margin-bottom:10px;}
.footer-cta p{margin:0;font-size:15.5px;color:rgba(247,251,248,.68);}
.footer-cols{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding:64px 0 48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;color:rgba(247,251,248,.6);max-width:300px;}
.footer-col h4{font-size:15px;color:var(--white);margin-bottom:18px;font-weight:800;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14.5px;color:rgba(247,251,248,.64);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-col ul li a:hover{color:var(--green);padding-left:5px;}
.footer-col address{font-style:normal;font-size:14.5px;color:rgba(247,251,248,.64);line-height:2;}
.footer-col address b{color:var(--white);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(247,251,248,.48);
}
.footer-bottom a{color:rgba(247,251,248,.6);}
.footer-bottom a:hover{color:var(--green);}

.to-top{
  position:fixed;right:26px;bottom:26px;z-index:80;
  width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;
  background:var(--green);color:#06231C;
  display:grid;place-items:center;
  box-shadow:0 12px 28px rgba(0,214,163,.36);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--green-d);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:64px 0 74px;}
  .hero__inner{grid-template-columns:1fr;gap:40px;}
  .hero__title{font-size:38px;}
  .hero__lead{font-size:16.5px;}
  .cap-grid{grid-template-columns:1fr;}
  .cap-side{grid-template-rows:auto auto;}
  .stats__grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .case-card:nth-child(even){margin-top:0;}
  .plan-wrap{grid-template-columns:1fr;gap:40px;}
  .faq-wrap{grid-template-columns:1fr;gap:36px;}
  .faq-wrap .sec-head{position:static;margin-bottom:32px;}
  .contact-wrap{grid-template-columns:1fr;gap:32px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cap-bar{grid-template-columns:repeat(2,1fr);}
  .cap-bar__item:nth-child(2){border-right:0;}
  .cap-bar__item:nth-child(1),.cap-bar__item:nth-child(2){border-bottom:1px solid var(--line-2);}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .sec-title{font-size:25px;}
  .sec-head{margin-bottom:34px;}
  .topbar__text{display:none;}
  .topbar__inner{justify-content:space-between;gap:12px;}
  .header__inner{min-height:66px;gap:12px;}
  .brand__text strong{font-size:17px;}
  .brand__text em{font-size:10.5px;padding:3px 7px;}
  .brand__mark{width:36px;height:36px;}
  .header__actions .btn{display:none;}
  .hero{padding:50px 0 60px;}
  .hero__title{font-size:30px;line-height:1.3;}
  .hero__lead{font-size:15.5px;margin-bottom:26px;}
  .hero__actions{gap:10px;}
  .hero__actions .btn{flex:1 1 100%;}
  .hero__points{gap:10px 18px;}
  .live-card{padding:22px;}
  .live-card h2{font-size:20px;}
  .countdown__unit b{font-size:21px;}
  .stats__grid{grid-template-columns:1fr;}
  .stat{padding:24px 22px;}
  .stat__num{font-size:38px;}
  .news-grid{grid-template-columns:1fr;}
  .cap-main__body{padding:24px 22px 26px;}
  .cap-sub{padding:24px 22px;}
  .cap-bar{grid-template-columns:1fr;}
  .cap-bar__item{border-right:0;border-bottom:1px solid var(--line-2);padding:18px 22px;}
  .cap-bar__item:last-child{border-bottom:0;}
  .case-card__body{padding:22px 22px 26px;}
  .step{padding:16px 12px;gap:14px;}
  .faq .accordion-title{padding:20px 46px 20px 14px;font-size:16px;}
  .faq .accordion-content{padding:0 46px 22px 14px;font-size:15px;}
  .form-card{padding:24px 20px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .plan-metric{grid-template-columns:1fr 1fr;}
  .footer-cta__inner{padding:34px 0;}
  .footer-cta h2{font-size:21px;}
  .footer-cols{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
}

/* roulang page: article */
:root{
  --c-carbon:#0B1210;
  --c-carbon-soft:#15221D;
  --c-mint:#00D6A3;
  --c-mint-deep:#00A87E;
  --c-mint-soft:#E6FBF4;
  --c-orange:#FF5C35;
  --c-lemon:#DFFF4F;
  --c-mist:#F3F6F1;
  --c-card:#FFFFFF;
  --c-line:#DCE3DB;
  --c-ink:#111815;
  --c-ink-2:#5B6B63;
  --c-invert:#F7FBF8;
  --r-xs:8px;--r-sm:12px;--r-md:16px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 10px 30px rgba(8,16,14,.08);
  --sh-2:0 16px 40px rgba(8,16,14,.16);
  --maxw:1200px;
  --ring:0 0 0 3px rgba(0,214,163,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-ink);background:var(--c-mist);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--c-mint-deep)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{line-height:1.35;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0}
input,textarea,select{font:inherit;color:inherit}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-mint);color:#04241C;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;font-weight:700}
.skip-link:focus{left:0}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}

/* ===== 阅读进度 ===== */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--c-mint),var(--c-lemon));z-index:120;transition:width .12s linear}

/* ===== 顶部活动条 ===== */
.topbar{background:var(--c-carbon);border-bottom:1px solid rgba(255,255,255,.07)}
.topbar__inner{display:flex;align-items:center;gap:16px;min-height:42px;padding-top:6px;padding-bottom:6px}
.topbar__text{margin:0;font-size:14px;color:rgba(247,251,248,.72);flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar__cta{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--c-mint);border-bottom:1px dashed rgba(0,214,163,.5);padding-bottom:2px}
.topbar__cta:hover{color:var(--c-lemon);border-color:rgba(223,255,79,.6)}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:700;letter-spacing:.02em;flex:0 0 auto}
.badge--live{background:rgba(223,255,79,.14);color:var(--c-lemon);border:1px solid rgba(223,255,79,.35)}
.badge--live i{width:6px;height:6px;border-radius:50%;background:var(--c-lemon);display:block;animation:blink 1.4s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.badge--cat{background:rgba(0,214,163,.16);color:var(--c-mint);border:1px solid rgba(0,214,163,.42);height:28px}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,18,16,.96);border-bottom:1px solid rgba(255,255,255,.07);transition:box-shadow .25s ease,background-color .25s ease;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.site-header.is-scrolled{background:rgba(11,18,16,.92);box-shadow:0 14px 34px rgba(4,10,8,.45)}
.header__inner{display:flex;align-items:center;gap:26px;height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{width:38px;height:38px;border-radius:12px;background:var(--c-mint);display:grid;place-items:center;box-shadow:0 8px 18px rgba(0,214,163,.28);flex:0 0 auto}
.brand__mark svg{width:21px;height:21px}
.brand__text{display:flex;flex-direction:column;line-height:1.12}
.brand__text strong{font-size:17px;font-weight:800;color:var(--c-invert);letter-spacing:.01em}
.brand__text em{font-size:11px;font-style:normal;color:var(--c-mint);letter-spacing:.22em;font-weight:600}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:8px 14px;border-radius:var(--r-pill);font-size:15.5px;font-weight:500;color:rgba(247,251,248,.78);white-space:nowrap}
.nav-link:hover{color:var(--c-invert);background:rgba(255,255,255,.07)}
.nav-link.is-active{color:var(--c-mint);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:18px;height:3px;border-radius:2px;background:var(--c-mint)}
.header__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);color:var(--c-invert);place-items:center}
.menu-toggle:hover{border-color:var(--c-mint);color:var(--c-mint)}
.menu-toggle svg{width:20px;height:20px}

/* ===== 移动抽屉 ===== */
.drawer{position:fixed;inset:0;z-index:110;background:rgba(5,10,8,.62);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{position:absolute;top:0;right:0;width:min(86vw,340px);height:100%;background:var(--c-carbon);padding:22px 22px 28px;display:flex;flex-direction:column;gap:20px;transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);overflow-y:auto}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.16);color:var(--c-invert);font-size:22px;line-height:1}
.drawer__close:hover{border-color:var(--c-orange);color:var(--c-orange)}
.drawer__nav{display:flex;flex-direction:column}
.drawer__nav a{padding:15px 4px;font-size:16px;color:rgba(247,251,248,.85);border-bottom:1px solid rgba(255,255,255,.08)}
.drawer__nav a:hover{color:var(--c-mint);padding-left:10px}
.drawer__note{font-size:13.5px;color:rgba(247,251,248,.5);margin-top:auto}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:16px;font-weight:700;line-height:1;border:1.5px solid transparent;white-space:nowrap;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn--primary{background:var(--c-mint);color:#04241C}
.btn--primary:hover{background:#00c093;color:#04241C;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,214,163,.32)}
.btn--primary:active{transform:translateY(1px)}
.btn--orange{background:var(--c-orange);color:#fff}
.btn--orange:hover{background:#e94a24;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,92,53,.3)}
.btn--ghost{background:transparent;border-color:rgba(0,214,163,.55);color:var(--c-invert)}
.btn--ghost:hover{background:rgba(0,214,163,.14);border-color:var(--c-mint);color:var(--c-invert);transform:translateY(-2px)}
.btn--outline{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn--outline:hover{border-color:var(--c-mint);color:var(--c-mint-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn--sm{min-height:40px;padding:0 18px;font-size:15px}
.btn--block{width:100%}
.btn:focus-visible{outline:none;box-shadow:var(--ring)}

/* ===== 文章首屏 ===== */
.art-hero{position:relative;overflow:hidden;color:var(--c-invert);padding:26px 0 58px;background:linear-gradient(180deg,rgba(11,18,16,.95),rgba(11,18,16,.9)),url('/assets/images/backpic/back-2.png') center/cover no-repeat}
.art-hero::after{content:"";position:absolute;right:-70px;bottom:-90px;width:300px;height:300px;border:2px dashed rgba(0,214,163,.2);border-radius:50%;pointer-events:none}
.art-hero::before{content:"";position:absolute;left:-40px;top:-60px;width:220px;height:220px;background:radial-gradient(circle,rgba(0,214,163,.16),transparent 70%);pointer-events:none}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:14px;color:rgba(247,251,248,.6);margin-bottom:28px;position:relative;z-index:1}
.crumbs a:hover{color:var(--c-mint)}
.crumbs span{color:rgba(247,251,248,.3)}
.crumbs em{font-style:normal;color:rgba(247,251,248,.85);max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:end}
.art-hero h1{font-size:44px;font-weight:800;letter-spacing:-.01em;margin:16px 0 20px;max-width:22ch}
.art-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:rgba(247,251,248,.66)}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-mint);display:block}
.art-back{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--c-invert);border:1.5px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:11px 20px;transition:.2s ease}
.art-back:hover{border-color:var(--c-mint);color:var(--c-mint);transform:translateY(-2px)}

/* ===== 正文区 ===== */
.art-body{background:var(--c-mist);padding:72px 0 92px}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.entry{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:44px 48px 52px;box-shadow:var(--sh-1);max-width:860px;font-size:17px;line-height:1.9;color:#1b241f}
.entry>*:first-child{margin-top:0}
.entry p{margin:0 0 1.35em}
.entry h2{position:relative;font-size:30px;font-weight:800;line-height:1.4;margin:2.1em 0 .75em;padding-left:17px;border-left:6px solid var(--c-mint);color:var(--c-ink)}
.entry h3{font-size:21px;font-weight:700;margin:1.8em 0 .6em;color:var(--c-ink)}
.entry h4{font-size:18px;font-weight:700;margin:1.5em 0 .5em;color:var(--c-ink-2)}
.entry ul,.entry ol{margin:0 0 1.35em;padding-left:1.5em}
.entry li{margin:.5em 0}
.entry li::marker{color:var(--c-mint-deep)}
.entry blockquote{margin:1.7em 0;padding:20px 24px;background:var(--c-mint-soft);border-left:5px solid var(--c-mint);border-radius:0 14px 14px 0;color:#12503F}
.entry blockquote p:last-child{margin-bottom:0}
.entry img{border-radius:16px;margin:1.6em 0;box-shadow:0 10px 26px rgba(8,16,14,.1)}
.entry figure{margin:1.6em 0}
.entry figcaption{font-size:14px;color:var(--c-ink-2);text-align:center;margin-top:10px}
.entry a{color:var(--c-mint-deep);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px}
.entry a:hover{color:var(--c-orange)}
.entry table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.entry th,.entry td{border:1px solid var(--c-line);padding:12px 15px;text-align:left;white-space:nowrap}
.entry th{background:#EAF3EE;font-weight:700;color:var(--c-ink)}
.entry tbody tr:nth-child(even){background:#FAFCFA}
.entry code{background:#EAF3EE;border-radius:6px;padding:2px 7px;font-size:14.5px;color:#0d6b52}
.entry hr{border:0;border-top:1px dashed var(--c-line);margin:2.2em 0}
.art-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ===== 侧栏 ===== */
.art-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:17px;font-weight:800;margin:0 0 14px}
.side-card p{margin:0 0 16px;font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{font-size:13.5px;padding:7px 13px;border-radius:var(--r-pill);background:var(--c-mist);border:1px solid var(--c-line);color:var(--c-ink-2);font-weight:500}
.tag-cloud a:hover{background:var(--c-mint-soft);border-color:var(--c-mint);color:var(--c-mint-deep)}
.side-card--dark{background:var(--c-carbon);border-color:rgba(255,255,255,.08);color:var(--c-invert)}
.side-card--dark h3{color:var(--c-invert)}
.side-card--dark p{color:rgba(247,251,248,.68)}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list a{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.6}
.side-list a::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--c-mint);margin-top:9px}
.side-list a:hover{color:var(--c-mint-deep)}

/* ===== 空状态 ===== */
.empty-state{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);padding:64px 32px;text-align:center;box-shadow:var(--sh-1)}
.empty-state__icon{width:64px;height:64px;margin:0 auto 20px;border-radius:20px;background:var(--c-carbon);display:grid;place-items:center}
.empty-state__icon svg{width:28px;height:28px}
.empty-state h2{font-size:24px;font-weight:800;margin-bottom:12px}
.empty-state p{color:var(--c-ink-2);margin-bottom:24px}

/* ===== 相关推荐 ===== */
.related{background:#fff;border-top:1px solid var(--c-line);padding:72px 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.section-head h2{font-size:32px;font-weight:800}
.section-head p{margin-top:10px;color:var(--c-ink-2);font-size:16px}
.related__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.rec-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.rec-card:hover{transform:translateY(-4px);border-color:var(--c-mint);box-shadow:var(--sh-2);color:inherit}
.rec-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--c-carbon)}
.rec-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rec-card:hover .rec-card__media img{transform:scale(1.06)}
.rec-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-card__tag{align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--c-mint-deep);background:var(--c-mint-soft);border-radius:var(--r-pill);padding:4px 12px}
.rec-card__body h3{font-size:19px;font-weight:700;line-height:1.5}
.rec-card__body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;flex:1}
.rec-card__foot{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--c-ink-2);padding-top:6px;border-top:1px dashed var(--c-line);margin-top:4px}
.rec-card__foot b{color:var(--c-mint-deep);font-weight:700}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-carbon);color:rgba(247,251,248,.72)}
.footer-cta{background:linear-gradient(120deg,#0F1B17,#16271F);border-bottom:1px solid rgba(255,255,255,.07)}
.footer-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:42px 0;flex-wrap:wrap}
.footer-cta h2{font-size:26px;font-weight:800;color:var(--c-invert);margin-bottom:10px}
.footer-cta p{font-size:15.5px;color:rgba(247,251,248,.66)}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding:60px 0 42px}
.footer-brand p{font-size:15px;line-height:1.85;margin-top:16px;max-width:34ch;color:rgba(247,251,248,.66)}
.footer-col h4{font-size:15px;font-weight:700;color:var(--c-invert);margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:15px;color:rgba(247,251,248,.7)}
.footer-col a:hover{color:var(--c-mint)}
.footer-col address{font-style:normal;font-size:15px;line-height:2.1;color:rgba(247,251,248,.7)}
.footer-col address b{color:var(--c-invert);font-weight:600}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.08);font-size:13.5px;color:rgba(247,251,248,.5)}

/* ===== 回到顶部 ===== */
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--c-mint);color:#04241C;display:grid;place-items:center;box-shadow:0 12px 26px rgba(0,214,163,.35);z-index:70;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .2s ease}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);color:#04241C}
.to-top svg{width:20px;height:20px}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .menu-toggle{display:grid}
  .header__inner{height:66px;gap:16px}
  .art-hero h1{font-size:34px;max-width:none}
  .art-hero__grid{grid-template-columns:minmax(0,1fr);gap:22px;align-items:start}
  .art-body{padding:56px 0 72px}
  .art-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .art-side{display:none}
  .entry{padding:34px 32px 40px}
  .related{padding:58px 0 68px}
  .related__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 18px}
  .topbar__text{display:none}
  .topbar__inner{justify-content:space-between}
  .header__inner{height:62px}
  .brand__mark{width:34px;height:34px;border-radius:10px}
  .brand__text strong{font-size:15.5px}
  .brand__text em{font-size:10px;letter-spacing:.18em}
  .header__actions .btn--sm{display:none}
  .art-hero{padding:20px 0 44px}
  .art-hero h1{font-size:26px;line-height:1.36;margin:14px 0 16px}
  .crumbs{font-size:13px;margin-bottom:20px}
  .crumbs em{max-width:100%;white-space:normal}
  .art-body{padding:44px 0 60px}
  .entry{padding:26px 20px 32px;font-size:16.5px;border-radius:var(--r-md)}
  .entry h2{font-size:23px;padding-left:13px;border-left-width:5px}
  .entry h3{font-size:19px}
  .entry blockquote{padding:16px 18px}
  .related__grid{grid-template-columns:minmax(0,1fr)}
  .section-head h2{font-size:25px}
  .footer-cta__inner{padding:32px 0}
  .footer-cta h2{font-size:21px}
  .footer-cols{grid-template-columns:1fr;gap:30px;padding:44px 0 32px}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12.5px}
  .to-top{right:16px;bottom:18px;width:42px;height:42px}
}

/* roulang page: category1 */
:root{
  --ink:#0B1210;
  --ink-soft:#14211C;
  --teal:#00D6A3;
  --teal-deep:#00A87E;
  --orange:#FF5C35;
  --lemon:#DFFF4F;
  --mist:#F3F6F1;
  --card:#FFFFFF;
  --line:#DCE3DB;
  --text:#111815;
  --muted:#5B6B63;
  --inv:#F7FBF8;
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 10px 30px rgba(8,16,14,.08);
  --sh-hover:0 16px 40px rgba(8,16,14,.14);
  --gut:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--teal-deep);text-decoration:none;transition:color .2s ease}
a:hover,a:focus{color:var(--teal)}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.24;color:var(--text);font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(0,214,163,.35);outline-offset:2px;border-radius:6px}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--teal);color:#05201A;
  padding:10px 18px;border-radius:0 0 10px 0;font-weight:700;z-index:200
}
.skip-link:focus{left:0}
.container{width:100%;max-width:1232px;margin:0 auto;padding:0 16px}
.row{max-width:1232px;margin-left:auto;margin-right:auto}
.row .column,.row .columns{padding-left:16px;padding-right:16px}
.off-canvas-content{box-shadow:none}
.off-canvas{background:var(--ink);border:0}

/* ---------- 顶部活动条 ---------- */
.top-strip{background:var(--ink);color:var(--inv);border-bottom:1px solid rgba(255,255,255,.08)}
.top-strip__inner{
  display:flex;align-items:center;gap:14px;min-height:42px;padding-top:6px;padding-bottom:6px;font-size:14px
}
.pill{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);
  padding:3px 12px;font-size:12.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap
}
.pill--live{background:var(--lemon);color:#22310A}
.pill--live .dot{width:6px;height:6px;border-radius:50%;background:#3D5200;animation:blink 1.4s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.top-strip__title{flex:1;color:rgba(247,251,248,.85);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top-strip__cta{
  color:var(--ink);background:var(--teal);border-radius:var(--r-pill);
  padding:5px 16px;font-weight:800;font-size:13.5px;white-space:nowrap
}
.top-strip__cta:hover{background:var(--lemon);color:#22310A}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:40;background:rgba(11,18,16,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);transition:box-shadow .25s ease,background .25s ease
}
.site-header.is-stuck{box-shadow:0 12px 30px rgba(4,10,8,.45);background:rgba(11,18,16,.98)}
.site-header__inner{display:flex;align-items:center;gap:22px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--inv);flex:0 0 auto}
.brand:hover{color:var(--inv)}
.brand__mark{
  width:38px;height:38px;border-radius:12px;background:var(--teal);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 18px rgba(0,214,163,.35)
}
.brand__mark svg{width:21px;height:21px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-size:17.5px;font-weight:800;letter-spacing:.01em;color:var(--inv)}
.brand__text em{
  font-style:normal;font-size:11.5px;color:var(--teal);letter-spacing:.28em;font-weight:700
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;color:rgba(247,251,248,.78);
  font-size:15px;font-weight:600;padding:10px 14px;border-radius:10px;transition:color .2s,background .2s
}
.nav-link:hover{color:var(--inv);background:rgba(255,255,255,.07)}
.nav-link.is-active{color:var(--teal)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--teal)
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:transparent;cursor:pointer;align-items:center;justify-content:center
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--inv);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--inv);border-radius:2px
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.mobile-nav{padding:26px 22px 96px}
.mobile-nav__head{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.mobile-nav__link{
  display:block;color:rgba(247,251,248,.85);font-size:17px;font-weight:700;
  padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.09)
}
.mobile-nav__link.is-active{color:var(--teal)}
.mobile-nav__cta{position:absolute;left:22px;right:22px;bottom:24px}
.close-button{color:var(--inv);top:18px;right:18px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:800;letter-spacing:.01em;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease
}
.btn--primary{background:var(--teal);color:#05201A;box-shadow:0 8px 22px rgba(0,214,163,.28)}
.btn--primary:hover{background:#00e8b2;color:#05201A;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,214,163,.34)}
.btn--primary:active{transform:translateY(1px)}
.btn--orange{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(255,92,53,.3)}
.btn--orange:hover{background:#ff7452;color:#fff;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--inv);border-color:rgba(247,251,248,.4)}
.btn--ghost:hover{background:rgba(0,214,163,.14);border-color:var(--teal);color:var(--inv);transform:translateY(-2px)}
.btn--outline{background:transparent;color:#0a7f64;border-color:rgba(0,214,163,.65)}
.btn--outline:hover{background:rgba(0,214,163,.12);color:#0a7f64}
.btn--sm{min-height:40px;padding:8px 18px;font-size:14.5px}
.btn--block{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--inv);overflow:hidden;padding:70px 0 78px}
.hero__bg{
  position:absolute;inset:0;background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.3
}
.hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,18,16,.97) 0%,rgba(11,18,16,.82) 44%,rgba(11,18,16,.5) 100%)
}
.hero__strokes{position:absolute;right:-80px;top:-60px;width:460px;height:460px;opacity:.16;pointer-events:none}
.hero .row{position:relative;z-index:2}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:9px;background:rgba(0,214,163,.14);
  border:1px solid rgba(0,214,163,.4);color:var(--teal);border-radius:var(--r-pill);
  padding:6px 16px;font-size:13.5px;font-weight:700;margin-bottom:22px
}
.hero__eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block}
.hero h1{color:var(--inv);font-size:clamp(28px,3.5vw,48px);line-height:1.18;margin-bottom:20px;font-weight:800}
.hero h1 span{color:var(--teal)}
.hero__lead{color:rgba(247,251,248,.82);font-size:17px;max-width:35em;margin-bottom:30px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__facts{display:flex;flex-wrap:wrap;gap:14px 34px}
.hero__facts li{display:flex;flex-direction:column;gap:2px;min-width:110px}
.hero__facts b{font-size:26px;font-weight:800;color:var(--teal);line-height:1.1}
.hero__facts em{font-style:normal;font-size:13.5px;color:rgba(247,251,248,.68)}
.hero__media{position:relative}
.hero__media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;
  border:1px solid rgba(255,255,255,.12);box-shadow:0 24px 60px rgba(0,0,0,.5)
}
.hero__card{
  position:absolute;left:-14px;bottom:-24px;background:#fff;color:var(--text);
  border-radius:16px;padding:16px 20px;box-shadow:var(--sh-hover);min-width:216px
}
.hero__card h3{font-size:15px;margin-bottom:6px;color:var(--muted);font-weight:700}
.hero__card .num{font-size:30px;font-weight:800;color:var(--orange);line-height:1;letter-spacing:-.02em}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0}
.section--mist{background:var(--mist)}
.section--dark{background:var(--ink);color:var(--inv)}
.section--dark h2,.section--dark h3{color:var(--inv)}
.section--tight{padding-top:70px}
.section-head{max-width:800px;margin-bottom:46px}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;
  color:var(--teal-deep);text-transform:uppercase;margin-bottom:12px
}
.section--dark .section-kicker{color:var(--teal)}
.section-head h2{font-size:clamp(23px,2.6vw,34px);margin-bottom:14px}
.section-head p{color:var(--muted);margin:0;font-size:16.5px}
.section--dark .section-head p{color:rgba(247,251,248,.72)}

/* ---------- 筛选标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.tag{
  border:1.5px solid var(--line);background:#fff;color:var(--muted);
  border-radius:var(--r-pill);padding:9px 20px;font-size:14.5px;font-weight:700;cursor:pointer;
  transition:all .2s ease
}
.tag:hover{border-color:var(--teal);color:#0a7f64;transform:translateY(-2px)}
.tag.is-active{background:var(--ink);border-color:var(--ink);color:var(--lemon)}

/* ---------- 装备卡片 ---------- */
.gear-col{margin-bottom:26px}
.gear-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease
}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(0,214,163,.65)}
.gear-card__media{position:relative;overflow:hidden;background:var(--ink)}
.gear-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gear-card:hover .gear-card__media img{transform:scale(1.05)}
.gear-card__body{padding:26px 26px 28px}
.gear-card__top{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:14px}
.chip{
  display:inline-flex;align-items:center;border-radius:var(--r-pill);
  padding:3px 12px;font-size:12.5px;font-weight:800;letter-spacing:.02em
}
.chip--teal{background:rgba(0,214,163,.14);color:#00775c}
.chip--orange{background:rgba(255,92,53,.13);color:#c83810}
.chip--lemon{background:var(--lemon);color:#33430a}
.gear-card h3{font-size:21px;margin-bottom:12px}
.gear-card p{color:var(--muted);font-size:15.5px;margin-bottom:18px}
.gear-card--feature{display:flex;flex-direction:column}
.gear-card--feature .gear-card__media{aspect-ratio:16/9}
.gear-card--feature .gear-card__body{padding:28px 30px 30px}
.gear-card--small .gear-card__media{aspect-ratio:4/3}
.gear-card--small h3{font-size:18.5px}
.spec-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.spec-list li{
  font-size:13.5px;color:var(--muted);background:var(--mist);
  border-radius:8px;padding:5px 11px;font-weight:600
}
.card-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:#0a7f64
}
.card-link::after{content:"→";transition:transform .2s ease}
.card-link:hover::after{transform:translateX(4px)}

/* 错位 */
@media screen and (min-width:64em){
  .gear-col--offset{padding-top:44px}
}

/* ---------- 规格表 ---------- */
.spec-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  overflow-x:auto;box-shadow:var(--sh)
}
table.spec-table{width:100%;min-width:760px;border-collapse:collapse;margin:0;font-size:15px}
table.spec-table th{
  background:var(--ink);color:var(--inv);text-align:left;font-weight:700;
  padding:16px 20px;font-size:14.5px;letter-spacing:.03em;border:0
}
table.spec-table td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--muted);background:#fff}
table.spec-table tbody tr:last-child td{border-bottom:0}
table.spec-table tbody tr:hover td{background:rgba(0,214,163,.06)}
table.spec-table td strong{color:var(--text)}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:52px
}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;
  box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.metric b{display:block;font-size:36px;font-weight:800;color:var(--teal-deep);line-height:1.05;letter-spacing:-.02em}
.metric span{display:block;margin-top:8px;font-size:14.5px;color:var(--muted);font-weight:600}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 24px 28px;box-shadow:var(--sh);transition:transform .22s ease,border-color .22s ease
}
.step:hover{transform:translateY(-4px);border-color:rgba(0,214,163,.6)}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:12px;background:var(--ink);color:var(--lemon);font-weight:800;font-size:16px;margin-bottom:16px
}
.step h3{font-size:18.5px;margin-bottom:10px}
.step p{font-size:15px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.6fr;gap:56px;align-items:start}
.accordion{border:0;background:transparent;margin:0}
.accordion .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion .accordion-title{
  position:relative;display:block;padding:22px 56px 22px 18px;font-size:17px;font-weight:800;
  color:var(--text);border-left:3px solid transparent;transition:all .22s ease;background:transparent;border-radius:0
}
.accordion .accordion-title:hover{color:#0a7f64;background:rgba(0,214,163,.05)}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:24px;line-height:1;color:var(--teal);font-weight:400;margin:0
}
.accordion .accordion-title[aria-expanded="true"]{
  color:#0a7f64;border-left-color:var(--teal)
}
.accordion .accordion-title[aria-expanded="true"]::before{
  content:"–";transform:translateY(-50%) rotate(180deg)
}
.accordion .accordion-content{
  padding:0 56px 24px 18px;border:0;background:transparent;
  color:var(--muted);font-size:15.5px;line-height:1.85
}
.accordion .accordion-content p:last-child{margin-bottom:0}

/* ---------- CTA / 表单 ---------- */
.cta-dark{position:relative;background:var(--ink);color:var(--inv);padding:88px 0;overflow:hidden}
.cta-dark__glow{
  position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,214,163,.28),rgba(0,214,163,0) 68%)
}
.cta-dark__grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-dark h2{font-size:clamp(23px,2.5vw,32px);color:var(--inv);margin-bottom:16px}
.cta-dark p{color:rgba(247,251,248,.76)}
.contact-list{display:grid;gap:14px;margin-top:26px}
.contact-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:rgba(247,251,248,.85)
}
.contact-list b{color:var(--teal);min-width:76px;font-weight:700;flex:0 0 auto}
.form-card{background:#fff;border-radius:20px;padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card>p{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--text);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 15px;font-size:15px;color:var(--text);
  border:1.5px solid var(--line);border-radius:var(--r-sm);background:#fff;
  font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--teal);background:rgba(0,214,163,.05);box-shadow:0 0 0 3px rgba(0,214,163,.16)
}
.field input:invalid:not(:placeholder-shown){border-color:var(--orange)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin:16px 0 20px}
.check input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--teal)}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}

/* ---------- 底部条 ---------- */
.assure{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:34px}
.assure li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--muted);font-weight:600}
.assure li::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);flex:0 0 auto
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(247,251,248,.78);position:relative}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--teal),var(--lemon) 42%,var(--orange))
}
.footer-cta{padding:54px 0 46px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer-cta h2{color:var(--inv);font-size:26px;margin-bottom:8px}
.footer-cta p{color:rgba(247,251,248,.7);margin:0}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:56px 0 40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:15px;color:rgba(247,251,248,.66);max-width:32em}
.footer-col h4{color:var(--inv);font-size:15.5px;margin-bottom:18px;font-weight:800;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:rgba(247,251,248,.7);font-size:14.8px}
.footer-col a:hover{color:var(--teal)}
.footer-col address{font-style:normal;font-size:14.8px;line-height:2;color:rgba(247,251,248,.7)}
.footer-col address b{color:var(--inv);font-weight:700}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.09);
  font-size:13.5px;color:rgba(247,251,248,.55)
}
.to-top{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--teal);color:#05201A;border:0;cursor:pointer;font-size:20px;font-weight:800;
  box-shadow:0 12px 28px rgba(0,214,163,.35);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .2s ease;z-index:50
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .container,.row{max-width:100%}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:74px 0}
  .faq-layout{grid-template-columns:1fr;gap:30px}
  .cta-dark__grid{grid-template-columns:1fr;gap:36px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
  .steps{grid-template-columns:1fr 1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .hero{padding:56px 0 64px}
  .hero__media{margin-top:48px}
  .hero__card{left:12px;bottom:-18px}
}
@media screen and (max-width:640px){
  body{font-size:16px;line-height:1.78}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .top-strip__title{display:none}
  .top-strip__inner{gap:10px}
  .top-strip__cta{margin-left:auto}
  .brand__text em{letter-spacing:.2em;font-size:11px}
  .site-header__inner{min-height:62px;gap:12px}
  .header-actions .btn{display:none}
  .hero h1{font-size:30px}
  .hero__lead{font-size:16px}
  .hero__actions .btn{flex:1 1 100%}
  .hero__facts{gap:16px 24px}
  .hero__facts b{font-size:22px}
  .metrics{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .gear-card__body{padding:22px 20px 24px}
  .gear-card--feature .gear-card__body{padding:22px 20px 24px}
  .footer-cols{grid-template-columns:1fr;gap:28px;padding:40px 0 30px}
  .footer-cta h2{font-size:22px}
  .form-card{padding:24px 20px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:18px;width:44px;height:44px}
}

/* roulang page: category2 */
:root{
  --mint:#00D6A3;
  --mint-deep:#00b98c;
  --mint-soft:rgba(0,214,163,.12);
  --orange:#FF5C35;
  --lemon:#DFFF4F;
  --ink:#0B1210;
  --ink-soft:#141d19;
  --mist:#F3F6F1;
  --card:#FFFFFF;
  --line:#DCE3DB;
  --text:#111815;
  --muted:#5B6B63;
  --white:#F7FBF8;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(8,16,14,.08);
  --shadow-hover:0 16px 40px rgba(8,16,14,.14);
  --sec-y:96px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,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:1.82;
  color:var(--text);background:var(--mist);
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--text);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover,a:focus{color:var(--mint-deep)}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.28;font-weight:800;letter-spacing:-.01em;color:var(--text)}
h1{font-size:clamp(30px,4.2vw,50px)}
h2{font-size:clamp(23px,2.6vw,34px)}
h3{font-size:clamp(18px,1.6vw,22px);font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(0,214,163,.35);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--mint);color:#05201A;padding:12px 18px;border-radius:0 0 12px 0;z-index:99;font-weight:700}
.skip-link:focus{left:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-y) 0}
.section--mist{background:var(--mist)}
.section--white{background:#fff}
.section--dark{background:var(--ink);color:var(--white)}
.section--dark h2,.section--dark h3{color:var(--white)}
.section--dark p{color:rgba(247,251,248,.76)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;
  letter-spacing:.08em;color:var(--mint-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--mint);display:block}
.section--dark .eyebrow{color:var(--mint)}
.lead{font-size:17px;color:var(--muted);line-height:1.9}
.section--dark .lead{color:rgba(247,251,248,.74)}

/* ---------- 顶部活动条 ---------- */
.topbar{background:var(--ink);color:var(--white);font-size:14px;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar__inner{display:flex;align-items:center;gap:18px;min-height:44px;padding-top:6px;padding-bottom:6px}
.topbar__text{margin:0;flex:1 1 auto;color:rgba(247,251,248,.8);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar__right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.countdown{font-weight:700;color:var(--lemon);letter-spacing:.02em}
.countdown b{font-size:16px;margin:0 2px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(11,18,16,.96);
  transition:background .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{background:rgba(11,18,16,.92);box-shadow:0 10px 30px rgba(0,0,0,.28);backdrop-filter:blur(10px)}
.header__inner{display:flex;align-items:center;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--mint),#7ef3d0);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 18px rgba(0,214,163,.28);
}
.brand__mark svg{width:20px;height:20px}
.brand__text{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:800;color:var(--white);letter-spacing:.01em}
.brand__text strong{font-weight:800}
.brand__text em{
  font-style:normal;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;
  background:rgba(0,214,163,.16);color:var(--mint);letter-spacing:.04em;white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:600;
  color:rgba(247,251,248,.78);white-space:nowrap;
}
.nav-link:hover{color:var(--white);background:rgba(255,255,255,.06)}
.nav-link.is-active{color:var(--mint)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--mint);
}
.header__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--white);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--white);transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{position:fixed;inset:0;z-index:80;background:rgba(11,18,16,.62);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  position:absolute;right:0;top:0;bottom:0;width:min(340px,88%);background:var(--ink);
  padding:24px;display:flex;flex-direction:column;gap:8px;transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer__close{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:transparent;color:var(--white);font-size:22px;line-height:1;cursor:pointer;
}
.drawer__panel .nav-link{display:block;padding:14px 12px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0}
.drawer__panel .nav-link.is-active::after{display:none}
.drawer__cta{margin-top:auto;padding-top:18px}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;transition:all .22s ease;line-height:1.2;
}
.btn--primary{background:var(--mint);color:#05201A;box-shadow:0 8px 22px rgba(0,214,163,.28)}
.btn--primary:hover{background:var(--mint-deep);color:#03150F;transform:translateY(-2px)}
.btn--primary:active{transform:translateY(1px)}
.btn--orange{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(255,92,53,.26)}
.btn--orange:hover{background:#e94a24;color:#fff;transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:rgba(0,214,163,.55);color:var(--white)}
.btn--ghost:hover{background:var(--mint-soft);color:var(--white);border-color:var(--mint)}
.btn--light{background:#fff;border-color:var(--line);color:var(--text)}
.btn--light:hover{border-color:var(--mint);color:var(--mint-deep);transform:translateY(-2px)}
.btn--sm{min-height:38px;padding:8px 18px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.badge--live{background:rgba(0,214,163,.16);color:var(--mint)}
.badge--live .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(0,214,163,.5)}50%{opacity:.7;box-shadow:0 0 0 6px rgba(0,214,163,0)}}
.badge--orange{background:rgba(255,92,53,.14);color:#ff7a5a}
.badge--lemon{background:rgba(223,255,79,.18);color:#cbe93c}
.badge--soft{background:var(--mint-soft);color:var(--mint-deep)}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--white);overflow:hidden;padding:88px 0 0}
.hero__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.26;
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,18,16,.96) 0%,rgba(11,18,16,.82) 48%,rgba(11,18,16,.6) 100%);
}
.hero__grid{position:relative;z-index:2;padding-bottom:64px}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:700;
  color:var(--mint);background:rgba(0,214,163,.12);padding:7px 14px;border-radius:999px;margin-bottom:22px;
}
.hero h1{color:var(--white);margin-bottom:20px}
.hero h1 .hl{color:var(--mint)}
.hero__lead{font-size:17px;line-height:1.9;color:rgba(247,251,248,.82);max-width:620px;margin-bottom:30px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.1);
  box-shadow:0 24px 60px rgba(0,0,0,.45);background:#0f1a16;
}
.hero__media img{width:100%;aspect-ratio:4/3;height:auto}
.hero__media-tag{position:absolute;left:16px;top:16px;display:flex;gap:8px;flex-wrap:wrap}
.hero__media-data{
  position:absolute;left:16px;right:16px;bottom:16px;background:rgba(11,18,16,.82);
  border:1px solid rgba(0,214,163,.28);border-radius:14px;padding:14px 16px;display:flex;justify-content:space-between;gap:14px;
  backdrop-filter:blur(6px);
}
.hero__media-data div{flex:1}
.hero__media-data b{display:block;font-size:20px;color:var(--mint);line-height:1.3}
.hero__media-data span{font-size:12px;color:rgba(247,251,248,.66)}
.hero-strip{
  position:relative;z-index:2;background:rgba(255,255,255,.04);border-top:1px solid rgba(255,255,255,.09);
}
.hero-strip__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.hero-strip__item{padding:22px 22px;border-right:1px solid rgba(255,255,255,.08)}
.hero-strip__item:last-child{border-right:0}
.hero-strip__item span{display:block;font-size:13px;color:rgba(247,251,248,.6);margin-bottom:6px}
.hero-strip__item strong{font-size:17px;color:var(--white);font-weight:700}

/* ---------- Z 字图文 ---------- */
.zrow{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-bottom:80px}
.zrow:last-child{margin-bottom:0}
.zrow__media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--ink)}
.zrow__media img{width:100%;aspect-ratio:16/10;height:auto;transition:transform .5s ease}
.zrow:hover .zrow__media img{transform:scale(1.03)}
.zrow__index{font-size:14px;font-weight:800;color:var(--mint-deep);letter-spacing:.14em;margin-bottom:10px}
.zrow__body h3{font-size:clamp(20px,2vw,26px);margin-bottom:14px}
.zrow__body p{color:var(--muted);line-height:1.9}
.zrow__list{margin-top:20px;display:grid;gap:10px}
.zrow__list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
.zrow__list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--mint);transform:rotate(45deg);
}
.zrow--flip .zrow__media{order:2}
.zrow--flip .zrow__body{order:1}

/* ---------- 时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.timeline::before{
  content:"";position:absolute;left:24px;right:24px;top:27px;height:2px;
  background:linear-gradient(90deg,rgba(0,214,163,.6),rgba(0,214,163,.16));z-index:0;
}
.step{
  position:relative;z-index:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 22px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,214,163,.5)}
.step__num{
  width:54px;height:54px;border-radius:16px;background:var(--ink);color:var(--mint);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin-bottom:18px;
}
.step h3{font-size:19px;margin-bottom:10px}
.step p{font-size:15px;color:var(--muted);margin-bottom:14px;line-height:1.8}
.step__meta{font-size:13px;font-weight:700;color:var(--mint-deep);letter-spacing:.04em}

/* ---------- 数据指标 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding:26px 22px;border-radius:var(--radius-md);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09)}
.stat b{display:block;font-size:clamp(28px,3.4vw,42px);font-weight:800;color:var(--mint);line-height:1.15;letter-spacing:-.02em}
.stat--orange b{color:var(--orange)}
.stat span{display:block;margin-top:8px;font-size:15px;font-weight:700;color:var(--white)}
.stat em{display:block;font-style:normal;font-size:13px;color:rgba(247,251,248,.6);margin-top:4px;line-height:1.7}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.scene{grid-column:span 3;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column}
.scene--wide{grid-column:span 3;flex-direction:row}
.scene--wide .scene__media{flex:0 0 44%}
.scene__media{overflow:hidden;background:var(--ink)}
.scene__media img{width:100%;height:100%;aspect-ratio:16/9;transition:transform .5s ease}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,214,163,.5)}
.scene:hover .scene__media img{transform:scale(1.05)}
.scene__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene__body h3{font-size:19px;margin:0}
.scene__body p{font-size:15px;color:var(--muted);margin:0;line-height:1.8}
.scene__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.scene__link{font-size:14px;font-weight:700;color:var(--mint-deep);margin-top:10px}
.scene__link::after{content:"→";margin-left:6px;transition:margin .2s ease}
.scene:hover .scene__link::after{margin-left:10px}

/* ---------- 交付清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow)}
.check h4{font-size:17px;margin-bottom:10px}
.check p{font-size:14px;color:var(--muted);margin:0;line-height:1.8}
.check__ico{
  width:42px;height:42px;border-radius:12px;background:var(--mint-soft);color:var(--mint-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px;font-size:16px;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:start}
.faq-side h2{margin-bottom:14px}
.faq-side p{color:var(--muted);line-height:1.9}
.faq-side .btn{margin-top:10px}
.accordion{border:0;background:transparent;margin:0}
.accordion-item{border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;margin-bottom:14px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.accordion-item.is-active{border-color:rgba(0,214,163,.55);box-shadow:var(--shadow);border-left:4px solid var(--mint)}
.accordion-title{
  display:block;padding:20px 58px 20px 22px;font-size:17px;font-weight:700;color:var(--text);
  position:relative;border:0;background:transparent;transition:background .2s ease;
}
.accordion-title:hover{background:#F7FBF8}
.accordion-title::before{display:none}
.accordion-title::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:400;color:var(--mint);line-height:1;transition:transform .25s ease,color .25s ease;
}
.accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);color:var(--orange)}
.accordion-content{border:0;padding:0 22px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;background:transparent}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 420px;gap:56px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text)}
.field label .req{color:var(--orange)}
.input,.select,.textarea{
  width:100%;min-height:48px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FBFDFA;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.textarea{min-height:120px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--mint);background:rgba(0,214,163,.05);box-shadow:0 0 0 3px rgba(0,214,163,.16);
}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.checkbox-row input{margin-top:5px;width:18px;height:18px;accent-color:var(--mint)}
.form-error{display:none;color:var(--orange);font-size:13px;font-weight:600;margin-top:6px}
.form-error.is-visible,input.is-invalid,.select.is-invalid{border-color:var(--orange)}
input.is-invalid + .form-error,.select.is-invalid + .form-error{display:block}
.contact-info{display:grid;gap:16px}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow)}
.info-card h4{font-size:15px;color:var(--muted);font-weight:700;margin-bottom:8px}
.info-card strong{font-size:19px;font-weight:800;color:var(--text);display:block}
.info-card p{font-size:14px;color:var(--muted);margin:6px 0 0;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(247,251,248,.72);padding-top:0;margin-top:0}
.footer-cta{background:linear-gradient(120deg,#0f1b17,#0b1210);border-bottom:1px solid rgba(255,255,255,.08)}
.footer-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-top:48px;padding-bottom:48px}
.footer-cta h2{color:var(--white);font-size:clamp(22px,2.4vw,30px);margin-bottom:8px}
.footer-cta p{color:rgba(247,251,248,.7);margin:0}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:60px 0 40px}
.footer-brand p{font-size:14px;line-height:1.9;margin-top:16px;color:rgba(247,251,248,.66);max-width:340px}
.footer-col h4{font-size:15px;color:var(--white);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(247,251,248,.7)}
.footer-col a:hover{color:var(--mint)}
.footer-col address{font-style:normal;font-size:14px;line-height:2;color:rgba(247,251,248,.7)}
.footer-col address b{color:var(--white);font-weight:700}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(247,251,248,.55);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--mint);
  background:transparent;border:0;cursor:pointer;padding:8px 0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-y:72px}
  .container{padding:0 24px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .hero__grid{gap:40px}
  .zrow{gap:40px;margin-bottom:64px}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .timeline::before{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .scene,.scene--wide{grid-column:span 1;flex-direction:column}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .hero-strip__inner{grid-template-columns:repeat(2,1fr)}
  .hero-strip__item:nth-child(2){border-right:0}
  .hero-strip__item:nth-child(1),.hero-strip__item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.08)}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .brand__text{font-size:16px}
  .brand__text em{font-size:11px;padding:2px 7px}
  .header__inner{min-height:64px;gap:12px}
  .header__actions .btn{display:none}
  .hero{padding-top:56px}
  .hero__lead{font-size:16px}
  .hero__cta .btn{flex:1 1 100%}
  .hero__media img{aspect-ratio:16/11}
  .hero-strip__item{padding:16px 14px}
  .hero-strip__item strong{font-size:15px}
  .zrow{grid-template-columns:1fr;gap:24px;margin-bottom:56px}
  .zrow--flip .zrow__media{order:0}
  .zrow--flip .zrow__body{order:0}
  .timeline{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:20px 16px}
  .scene-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .faq-side{order:-1}
  .form-card{padding:22px}
  .footer-cta__inner{flex-direction:column;align-items:flex-start;padding-top:36px;padding-bottom:36px}
  .footer-cols{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .topbar__text{display:none}
  .topbar__inner{justify-content:space-between;gap:10px}
  .accordion-title{font-size:16px;padding:18px 50px 18px 18px}
  .accordion-content{padding:0 18px 18px}
}
@media (max-width:519px){
  .hero-strip__inner{grid-template-columns:1fr}
  .hero-strip__item{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .stats{grid-template-columns:1fr}
  .hero__media-data{flex-wrap:wrap;gap:10px}
}

/* roulang page: category3 */
:root{
  --mint:#00D6A3;
  --mint-deep:#009C77;
  --mint-soft:rgba(0,214,163,.12);
  --orange:#FF5C35;
  --lemon:#DFFF4F;
  --bg:#F3F6F1;
  --carbon:#0B1210;
  --carbon-2:#101A16;
  --card:#FFFFFF;
  --line:#DCE3DB;
  --ink:#111815;
  --muted:#5B6B63;
  --inverse:#F7FBF8;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 10px 30px rgba(8,16,14,.08);
  --shadow-2:0 16px 40px rgba(8,16,14,.14);
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--mint-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4,h5,h6{margin:0 0 14px;font-weight:800;line-height:1.28;letter-spacing:-.01em;color:var(--ink);}
h1{font-size:46px;}
h2{font-size:34px;}
h3{font-size:21px;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(0,214,163,.4);outline-offset:2px;border-radius:8px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--mint);color:#04231B;padding:12px 20px;border-radius:0 0 12px 0;font-weight:700;z-index:2000;}
.skip-link:focus{left:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x>.cell{min-width:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15.5px;font-weight:700;line-height:1;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn--primary{background:var(--mint);color:#04231B;box-shadow:0 10px 24px rgba(0,214,163,.28);}
.btn--primary:hover{background:#00C495;color:#04231B;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,214,163,.34);}
.btn--primary:active{transform:translateY(1px);}
.btn--orange{background:var(--orange);color:#fff;box-shadow:0 10px 26px rgba(255,92,53,.3);}
.btn--orange:hover{background:#F04A22;color:#fff;transform:translateY(-2px);}
.btn--orange:active{transform:translateY(1px);}
.btn--ghost{border-color:rgba(0,156,119,.5);color:#083A2C;background:transparent;}
.btn--ghost:hover{background:var(--mint-soft);color:#083A2C;border-color:var(--mint);}
.btn--outline-light{border-color:rgba(247,251,248,.34);color:var(--inverse);background:rgba(247,251,248,.04);}
.btn--outline-light:hover{background:rgba(0,214,163,.16);border-color:var(--mint);color:#fff;}
.btn--sm{min-height:42px;padding:0 20px;font-size:14.5px;}
.btn--full{width:100%;}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:700;line-height:1;white-space:nowrap;
}
.badge--lemon{background:var(--lemon);color:#1D2600;}
.badge--mint{background:rgba(0,214,163,.14);color:#00805F;border:1px solid rgba(0,214,163,.42);}
.badge--orange{background:rgba(255,92,53,.13);color:#C13418;border:1px solid rgba(255,92,53,.38);}
.badge--dark{background:rgba(247,251,248,.07);color:var(--lemon);border:1px solid rgba(223,255,79,.34);}
.badge--solid-orange{background:var(--orange);color:#fff;}

/* ---------- 顶部活动条 ---------- */
.promo-bar{background:var(--carbon);color:var(--inverse);font-size:14px;border-bottom:1px solid rgba(247,251,248,.06);}
.promo-bar__inner{display:flex;align-items:center;gap:16px;min-height:44px;}
.promo-bar__text{color:rgba(247,251,248,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.promo-bar__text b{color:#fff;font-weight:700;}
.promo-bar__right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.promo-bar__mini{font-size:13px;color:var(--mint);font-variant-numeric:tabular-nums;font-weight:700;}
.promo-bar__cta{font-size:13.5px;font-weight:700;color:var(--lemon);display:inline-flex;align-items:center;gap:6px;}
.promo-bar__cta:hover{color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,18,16,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(247,251,248,.08);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:rgba(11,18,16,.97);box-shadow:0 10px 30px rgba(4,10,8,.5);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--mint),#00B98E);
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(0,214,163,.32);
}
.brand__mark svg{width:20px;height:20px;}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__text strong{font-size:17px;font-weight:800;color:var(--inverse);letter-spacing:.01em;}
.brand__text em{font-style:normal;font-size:10.5px;letter-spacing:.24em;color:var(--mint);font-weight:700;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 15px;border-radius:10px;
  font-size:15px;font-weight:600;color:rgba(247,251,248,.76);
}
.nav-link:hover{color:#fff;background:rgba(247,251,248,.06);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2px;border-radius:2px;background:var(--mint);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(247,251,248,.2);background:rgba(247,251,248,.05);
  cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--inverse);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:19px;height:2px;background:var(--inverse);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 抽屉导航 ---------- */
.off-canvas.position-right{
  position:fixed;top:0;right:0;height:100%;width:308px;max-width:86vw;
  background:var(--carbon-2);color:var(--inverse);
  padding:24px 22px 30px;z-index:1200;
  transform:translateX(105%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;
}
.off-canvas.position-right.is-open{transform:translateX(0);}
.close-button{
  position:absolute;top:16px;right:18px;background:none;border:none;color:var(--inverse);
  font-size:26px;line-height:1;cursor:pointer;padding:6px;
}
.drawer-brand{display:flex;align-items:center;gap:10px;margin:26px 0 24px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  padding:14px 12px;border-radius:12px;font-size:16px;font-weight:600;
  color:rgba(247,251,248,.82);border-bottom:1px solid rgba(247,251,248,.06);
}
.drawer-nav a:hover{background:rgba(0,214,163,.12);color:#fff;}
.drawer-nav a.is-active{color:var(--mint);}
.drawer-cta{margin-top:auto;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:var(--inverse);
  background:var(--carbon) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(11,18,16,.96) 0%,rgba(11,18,16,.88) 44%,rgba(11,18,16,.62) 100%);
}
.hero-arc{
  position:absolute;right:-140px;bottom:-190px;width:620px;height:620px;
  border-radius:50%;border:1px solid rgba(0,214,163,.28);pointer-events:none;
}
.hero-arc::after{
  content:"";position:absolute;inset:70px;border-radius:50%;border:1px solid rgba(223,255,79,.18);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:52px;align-items:center;padding:92px 0 100px;
}
.hero-copy h1{color:var(--inverse);font-size:46px;margin-bottom:20px;}
.hero-copy h1 span{color:var(--mint);}
.hero-sub{font-size:17px;line-height:1.9;color:rgba(247,251,248,.78);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-points li{position:relative;padding-left:20px;font-size:14.5px;color:rgba(247,251,248,.74);}
.hero-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--mint);transform:rotate(45deg);
}
.hero-panel{
  background:rgba(7,18,15,.82);
  border:1px solid rgba(0,214,163,.26);
  border-radius:22px;padding:28px;
  box-shadow:0 26px 60px rgba(0,0,0,.42);
}
.hero-panel__head{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(247,251,248,.72);margin-bottom:14px;}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 0 rgba(255,92,53,.6);animation:pulse 2s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,92,53,.55);}
  70%{box-shadow:0 0 0 12px rgba(255,92,53,0);}
  100%{box-shadow:0 0 0 0 rgba(255,92,53,0);}
}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:20px;}
.countdown__cell{
  background:rgba(247,251,248,.05);border:1px solid rgba(247,251,248,.1);
  border-radius:14px;padding:14px 4px;text-align:center;
}
.countdown__cell b{
  display:block;font-size:27px;font-weight:800;line-height:1.1;color:var(--mint);
  font-variant-numeric:tabular-nums;
}
.countdown__cell span{font-size:12px;color:rgba(247,251,248,.55);}
.hero-panel__meta{font-size:14px;color:rgba(247,251,248,.72);margin-bottom:8px;}
.hero-panel__meta:first-of-type{color:#fff;font-weight:700;font-size:15.5px;}
.hero-panel .btn{margin-top:14px;}

/* ---------- 板块基础 ---------- */
.section{padding:96px 0;}
.section--tight{padding:76px 0;}
.section--dark{background:var(--carbon);color:rgba(247,251,248,.76);}
.section--dark h2,.section--dark h3,.section--dark h4{color:var(--inverse);}
.section--paper{background:var(--card);}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--mint-deep);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--mint);}
.section--dark .eyebrow{color:var(--mint);}
.section-head{max-width:740px;margin-bottom:46px;}
.section-head h2{font-size:34px;margin-bottom:14px;}
.section-head p{font-size:16.5px;color:var(--muted);margin:0;}
.section--dark .section-head p{color:rgba(247,251,248,.68);}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;}
.stat{
  background:rgba(247,251,248,.04);border:1px solid rgba(247,251,248,.09);
  border-radius:var(--radius-md);padding:26px 22px;
}
.stat b{
  display:block;font-size:38px;font-weight:800;line-height:1.1;color:var(--mint);
  font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.stat:nth-child(2) b{color:var(--lemon);}
.stat:nth-child(3) b{color:var(--orange);}
.stat span{font-size:14.5px;color:rgba(247,251,248,.66);}

/* ---------- 赛程 ---------- */
.schedule-list{display:flex;flex-direction:column;gap:14px;}
.schedule-row{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px 24px;align-items:center;transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.schedule-row:hover{border-color:var(--mint);box-shadow:var(--shadow-2);transform:translateY(-3px);}
.schedule-date{display:flex;flex-direction:column;}
.schedule-date b{font-size:20px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;}
.schedule-date span{font-size:13.5px;color:var(--muted);}
.schedule-row h3{font-size:18.5px;margin-bottom:6px;}
.schedule-row p{font-size:14.5px;color:var(--muted);margin:0;}
.schedule-status{display:flex;flex-direction:column;gap:8px;align-items:flex-start;}
.schedule-place{font-size:13.5px;color:var(--muted);}
.text-right{text-align:right;}
.text-right .btn{display:inline-flex;}

/* ---------- 活动卡片 ---------- */
.event-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.event-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.event-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:var(--mint);}
.event-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--carbon);}
.event-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.event-card:hover .event-card__media img{transform:scale(1.05);}
.event-card__tag{
  position:absolute;left:14px;top:14px;
  background:rgba(11,18,16,.86);color:var(--lemon);
  font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(223,255,79,.34);
}
.event-card__tag.is-orange{background:var(--orange);color:#fff;border-color:transparent;}
.event-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.event-card__body h3{font-size:19px;margin-bottom:10px;}
.event-card__body p{font-size:14.8px;color:var(--muted);margin-bottom:16px;}
.meta-list{display:flex;flex-wrap:wrap;gap:8px 16px;margin-bottom:18px;}
.meta-list li{position:relative;padding-left:14px;font-size:13.5px;color:var(--muted);}
.meta-list li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--mint);}
.card-link{
  margin-top:auto;font-size:14.8px;font-weight:700;color:var(--mint-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.card-link:hover{color:var(--ink);}
.card-link span{transition:transform var(--ease);}
.card-link:hover span{transform:translateX(4px);}

/* ---------- 流程步骤 ---------- */
.steps{margin-top:8px;}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 22px;height:100%;position:relative;overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--mint);}
.step__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;background:var(--carbon);color:var(--mint);
  font-weight:800;font-size:16px;margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17.5px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center;}
.split__media img{width:100%;border-radius:18px;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow-1);}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.check-list li{position:relative;padding-left:28px;font-size:15.5px;color:var(--muted);}
.check-list li b{color:var(--ink);}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--mint-soft);border:1.5px solid var(--mint);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;
  border-left:2px solid var(--mint-deep);border-bottom:2px solid var(--mint-deep);transform:rotate(-45deg);
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:52px;align-items:start;}
.accordion{border:none;background:transparent;margin:0;}
.accordion-item{border:none;border-bottom:1px solid var(--line);}
.accordion-title{
  position:relative;border:none;background:transparent;color:var(--ink);
  padding:20px 52px 20px 18px;font-size:17px;font-weight:700;line-height:1.6;
  border-left:3px solid transparent;transition:background var(--ease),border-color var(--ease);
}
.accordion-title:hover{background:rgba(0,214,163,.06);color:var(--ink);}
.accordion-item.is-active .accordion-title{border-left-color:var(--mint);background:rgba(0,214,163,.05);}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--mint);line-height:1;
}
.accordion-item.is-active .accordion-title::before{content:"–";}
.accordion-content{
  border:none;background:transparent;padding:0 52px 22px 21px;
  font-size:15.5px;line-height:1.85;color:var(--muted);
}
.accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.signup__inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:52px;align-items:center;}
.signup__inner h2{font-size:34px;margin-bottom:16px;}
.signup__inner p{color:rgba(247,251,248,.72);font-size:16px;}
.contact-list{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
.contact-list li{font-size:15px;color:rgba(247,251,248,.8);}
.contact-list li b{color:var(--mint);font-weight:700;letter-spacing:.02em;}
.signup__card{
  background:rgba(247,251,248,.05);border:1px solid rgba(0,214,163,.28);
  border-radius:22px;padding:32px;
}
.signup__card h3{color:var(--inverse);font-size:20px;margin-bottom:10px;}
.signup__card p{font-size:14.8px;color:rgba(247,251,248,.7);margin-bottom:22px;}
.signup__card .btn{margin-bottom:12px;}
.signup__note{font-size:13.5px;color:rgba(247,251,248,.5);margin:6px 0 0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--carbon);color:rgba(247,251,248,.72);}
.footer-cta{background:linear-gradient(100deg,#101D18,#0B1210);border-bottom:1px solid rgba(247,251,248,.08);}
.footer-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding-top:46px;padding-bottom:46px;}
.footer-cta h2{color:var(--inverse);font-size:26px;margin-bottom:8px;}
.footer-cta p{color:rgba(247,251,248,.66);font-size:15.5px;margin:0;}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 42px;}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.9;color:rgba(247,251,248,.58);max-width:330px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:rgba(247,251,248,.64);}
.footer-col a:hover{color:var(--mint);}
.footer-col address{font-style:normal;font-size:14.5px;line-height:2;color:rgba(247,251,248,.64);}
.footer-col address b{color:var(--inverse);font-weight:700;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 32px;border-top:1px solid rgba(247,251,248,.08);
  font-size:13.5px;color:rgba(247,251,248,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  h1{font-size:38px;}
  h2{font-size:30px;}
  .section{padding:78px 0;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 0 80px;}
  .hero-copy h1{font-size:38px;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .event-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .signup__inner{grid-template-columns:1fr;gap:34px;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
  .main-nav{display:none;}
  .nav-toggle{display:grid;}
  .header-actions .btn{display:none;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  body{font-size:16px;line-height:1.85;}
  h1{font-size:31px;}
  h2{font-size:24px;}
  h3{font-size:18.5px;}
  .section{padding:58px 0;}
  .section-head{margin-bottom:30px;}
  .section-head h2{font-size:24px;}
  .hero-inner{padding:52px 0 60px;}
  .hero-copy h1{font-size:31px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-panel{padding:22px;}
  .countdown__cell b{font-size:22px;}
  .stats{grid-template-columns:1fr;gap:14px;}
  .stat b{font-size:32px;}
  .event-grid{grid-template-columns:1fr;gap:20px;}
  .schedule-row{padding:18px 18px;}
  .text-right{text-align:left;}
  .text-right .btn{margin-top:12px;width:100%;}
  .footer-cols{grid-template-columns:1fr;gap:30px;padding:46px 0 30px;}
  .footer-cta__inner{padding-top:36px;padding-bottom:36px;}
  .footer-cta h2{font-size:21px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .promo-bar__text{font-size:13px;}
  .promo-bar__mini{display:none;}
  .accordion-title{font-size:16px;padding:16px 44px 16px 14px;}
  .accordion-content{padding:0 22px 18px 17px;}
}

/* roulang page: category4 */
:root{
    --ink:#0B1210;
    --ink-soft:#131C19;
    --text:#111815;
    --muted:#5B6B63;
    --bg:#F3F6F1;
    --card:#FFFFFF;
    --border:#DCE3DB;
    --teal:#00D6A3;
    --teal-deep:#00b489;
    --orange:#FF5C35;
    --lemon:#DFFF4F;
    --reverse:#F7FBF8;
    --radius-card:18px;
    --radius-sm:12px;
    --radius-pill:999px;
    --shadow:0 10px 30px rgba(8,16,14,.08);
    --shadow-hover:0 16px 40px rgba(8,16,14,.14);
    --gutter:32px;
    --section-gap:96px;
    --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",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:16.5px;
    line-height:1.8;
    color:var(--text);
    background:var(--bg);
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }

  img{max-width:100%;height:auto;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul{padding:0;list-style:none;}

  :focus-visible{
    outline:3px solid rgba(0,214,163,.45);
    outline-offset:2px;
    border-radius:6px;
  }

  .skip-link{
    position:absolute;left:-9999px;top:0;z-index:999;
    background:var(--teal);color:#05201A;padding:10px 18px;border-radius:0 0 12px 0;font-weight:700;
  }
  .skip-link:focus{left:0;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 var(--gutter);
  }

  /* ============ 顶部活动条 ============ */
  .promo-bar{
    background:var(--ink);
    color:var(--reverse);
    font-size:14px;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .promo-bar__inner{
    display:flex;
    align-items:center;
    gap:16px;
    min-height:44px;
    padding-top:6px;
    padding-bottom:6px;
  }
  .promo-badge{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:var(--lemon);
    color:#1B2417;
    font-weight:700;
    font-size:12.5px;
    letter-spacing:.02em;
    padding:4px 12px;
    border-radius:var(--radius-pill);
  }
  .promo-badge::before{
    content:"";
    width:7px;height:7px;border-radius:50%;
    background:var(--orange);
    display:inline-block;
  }
  .promo-text{
    flex:1 1 auto;
    color:rgba(247,251,248,.82);
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
  .promo-cta{
    flex:0 0 auto;
    color:var(--teal);
    font-weight:700;
    border-bottom:1px solid rgba(0,214,163,.5);
    padding-bottom:1px;
  }
  .promo-cta:hover{color:var(--lemon);border-color:var(--lemon);}

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(11,18,16,.86);
    backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(255,255,255,.06);
    transition:background-color .25s ease,box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    background:rgba(11,18,16,.94);
    box-shadow:0 12px 30px rgba(4,10,8,.35);
  }
  .header__inner{
    display:flex;
    align-items:center;
    gap:24px;
    min-height:72px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .brand__mark{
    width:38px;height:38px;
    display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(140deg,var(--teal),#00b489);
    border-radius:11px;
    box-shadow:0 6px 18px rgba(0,214,163,.28);
  }
  .brand__mark svg{width:21px;height:21px;}
  .brand__text{
    display:flex;
    align-items:baseline;
    gap:8px;
    color:var(--reverse);
    font-size:18px;
    letter-spacing:.01em;
  }
  .brand__text strong{font-weight:800;}
  .brand__text em{
    font-style:normal;
    font-size:11.5px;
    font-weight:700;
    color:#05201A;
    background:var(--teal);
    padding:2px 8px;
    border-radius:var(--radius-pill);
    letter-spacing:.04em;
    transform:translateY(-2px);
  }

  .main-nav{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:auto;
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:40px;
    padding:0 14px;
    border-radius:var(--radius-pill);
    color:rgba(247,251,248,.78);
    font-size:15px;
    font-weight:500;
  }
  .nav-link:hover{color:var(--reverse);background:rgba(0,214,163,.12);}
  .nav-link.is-active{color:var(--reverse);font-weight:700;background:rgba(0,214,163,.16);}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:50%;bottom:5px;
    width:16px;height:3px;
    border-radius:2px;
    background:var(--teal);
    transform:translateX(-50%);
  }

  .header__actions{
    display:flex;
    align-items:center;
    gap:12px;
    flex:0 0 auto;
  }
  .nav-toggle{
    display:none;
    width:44px;height:44px;
    align-items:center;justify-content:center;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.14);
    color:var(--reverse);
    border-radius:12px;
    font-size:17px;
    cursor:pointer;
  }
  .nav-toggle:hover{background:rgba(0,214,163,.18);border-color:rgba(0,214,163,.5);}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 26px;
    border:1px solid transparent;
    border-radius:var(--radius-pill);
    font-size:15.5px;
    font-weight:700;
    cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn--sm{min-height:42px;padding:0 20px;font-size:14.5px;}
  .btn--primary{background:var(--teal);color:#05201A;box-shadow:0 8px 22px rgba(0,214,163,.26);}
  .btn--primary:hover{background:var(--teal-deep);color:#022019;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,214,163,.32);}
  .btn--primary:active{transform:translateY(1px);}
  .btn--orange{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(255,92,53,.28);}
  .btn--orange:hover{background:#ef4a24;transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,92,53,.34);}
  .btn--orange:active{transform:translateY(1px);}
  .btn--ghost{background:transparent;color:var(--reverse);border-color:rgba(247,251,248,.45);}
  .btn--ghost:hover{background:rgba(0,214,163,.14);border-color:var(--teal);color:var(--reverse);}
  .btn--ghost-dark{background:transparent;color:var(--text);border-color:var(--border);}
  .btn--ghost-dark:hover{background:#EAF4EE;border-color:var(--teal);color:var(--text);}

  /* ============ 移动抽屉 ============ */
  .off-canvas{
    background:var(--ink);
    color:var(--reverse);
    width:300px;
  }
  .drawer{padding:22px 20px 28px;display:flex;flex-direction:column;min-height:100%;}
  .drawer__head{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .drawer__title{font-size:17px;font-weight:800;color:var(--reverse);}
  .drawer__close{
    width:40px;height:40px;border-radius:12px;
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
    color:var(--reverse);cursor:pointer;
  }
  .drawer__nav{display:flex;flex-direction:column;gap:4px;margin-top:18px;}
  .drawer__link{
    padding:13px 14px;border-radius:12px;font-size:16px;
    color:rgba(247,251,248,.82);
  }
  .drawer__link:hover{background:rgba(0,214,163,.14);color:var(--reverse);}
  .drawer__link.is-active{background:rgba(0,214,163,.18);color:var(--reverse);font-weight:700;}
  .drawer__cta{margin-top:auto;width:100%;}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    background:var(--ink);
    color:var(--reverse);
    overflow:hidden;
    padding:78px 0 84px;
  }
  .hero--support::before{
    content:"";
    position:absolute;inset:0;
    background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity:.42;
  }
  .hero::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(11,18,16,.96) 0%,rgba(11,18,16,.86) 48%,rgba(11,18,16,.68) 100%);
  }
  .hero__inner{position:relative;z-index:2;}
  .hero__eyebrow{
    display:inline-flex;align-items:center;gap:9px;
    font-size:13.5px;font-weight:700;letter-spacing:.08em;
    color:var(--teal);
    background:rgba(0,214,163,.12);
    border:1px solid rgba(0,214,163,.32);
    padding:6px 14px;border-radius:var(--radius-pill);
  }
  .hero__eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--lemon);}
  .hero h1{
    margin-top:22px;
    font-size:48px;
    line-height:1.24;
    font-weight:800;
    letter-spacing:.005em;
  }
  .hero h1 span{color:var(--teal);}
  .hero__lead{
    margin-top:20px;
    max-width:640px;
    font-size:17px;
    line-height:1.85;
    color:rgba(247,251,248,.78);
  }
  .hero__search{
    margin-top:30px;
    display:flex;
    gap:10px;
    max-width:620px;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.16);
    border-radius:var(--radius-pill);
    padding:7px 7px 7px 20px;
    align-items:center;
  }
  .hero__search i{color:rgba(247,251,248,.5);font-size:15px;}
  .hero__search input{
    flex:1 1 auto;
    min-width:0;
    height:46px;
    background:transparent;
    border:none;
    color:var(--reverse);
    font-size:15.5px;
    font-family:inherit;
    outline:none;
  }
  .hero__search input::placeholder{color:rgba(247,251,248,.48);}
  .hero__quick{
    margin-top:20px;
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }
  .hero__quick a{
    font-size:14px;
    padding:7px 15px;
    border-radius:var(--radius-pill);
    color:rgba(247,251,248,.82);
    background:rgba(255,255,255,.07);
    border:1px solid rgba(255,255,255,.13);
  }
  .hero__quick a:hover{color:#05201A;background:var(--teal);border-color:var(--teal);}

  .hero__panel{
    background:rgba(19,28,25,.82);
    border:1px solid rgba(0,214,163,.24);
    border-radius:var(--radius-card);
    padding:26px 24px;
    box-shadow:0 20px 50px rgba(4,10,8,.45);
  }
  .hero__panel h2{
    font-size:18px;
    font-weight:800;
    color:var(--reverse);
    display:flex;align-items:center;gap:10px;
  }
  .hero__panel h2 i{color:var(--orange);}
  .panel-row{
    display:flex;
    align-items:flex-start;
    gap:14px;
    padding:16px 0;
    border-bottom:1px dashed rgba(255,255,255,.12);
  }
  .panel-row:last-of-type{border-bottom:none;}
  .panel-row__num{
    flex:0 0 auto;
    min-width:74px;
    font-size:20px;
    font-weight:800;
    color:var(--teal);
    line-height:1.3;
  }
  .panel-row__num small{display:block;font-size:11.5px;font-weight:500;color:rgba(247,251,248,.5);letter-spacing:.04em;}
  .panel-row__text{font-size:14.5px;color:rgba(247,251,248,.76);line-height:1.7;}
  .panel-row__text b{color:var(--reverse);}
  .hero__panel .btn{width:100%;margin-top:20px;}

  /* ============ 通用板块 ============ */
  .section{padding:var(--section-gap) 0;}
  .section--alt{background:#EAF0EA;}
  .section--dark{background:var(--ink);color:var(--reverse);}
  .section-head{max-width:720px;}
  .section-head--center{margin:0 auto;text-align:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.1em;
    color:#0A7A5F;
    text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--teal);}
  .section-head--center .eyebrow::before{display:none;}
  .section-title{
    margin-top:14px;
    font-size:34px;
    line-height:1.3;
    font-weight:800;
    letter-spacing:.005em;
  }
  .section-title span{color:#00a37c;}
  .section--dark .section-title{color:var(--reverse);}
  .section--dark .section-title span{color:var(--teal);}
  .section-sub{
    margin-top:16px;
    font-size:16.5px;
    line-height:1.85;
    color:var(--muted);
  }
  .section--dark .section-sub{color:rgba(247,251,248,.72);}

  /* ============ 服务卡 ============ */
  .svc-grid{
    margin-top:52px;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .svc-card{
    position:relative;
    display:flex;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow);
    overflow:hidden;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .svc-card:hover{transform:translateY(-4px);border-color:var(--teal);box-shadow:var(--shadow-hover);}
  .svc-card--wide{grid-column:span 2;flex-direction:row;}
  .svc-card--wide .svc-card__media{flex:0 0 46%;}
  .svc-card--wide .svc-card__body{flex:1 1 auto;padding:32px;}
  .svc-card__media{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    aspect-ratio:16/9;
  }
  .svc-card--wide .svc-card__media{aspect-ratio:auto;height:100%;min-height:280px;}
  .svc-card__media img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .5s ease;
  }
  .svc-card:hover .svc-card__media img{transform:scale(1.05);}
  .svc-card__body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
  .svc-card__top{display:flex;align-items:center;gap:12px;}
  .svc-card__icon{
    width:44px;height:44px;border-radius:13px;
    display:inline-flex;align-items:center;justify-content:center;
    background:rgba(0,214,163,.14);
    color:#0A7A5F;
    font-size:18px;
    flex:0 0 auto;
  }
  .svc-card h3{font-size:21px;font-weight:800;line-height:1.4;}
  .svc-card p{font-size:15.5px;color:var(--muted);line-height:1.8;}
  .tag{
    display:inline-flex;align-items:center;
    font-size:12.5px;font-weight:700;
    padding:4px 11px;
    border-radius:var(--radius-pill);
    background:#EAF4EE;color:#0A7A5F;
    border:1px solid #CFE7DB;
  }
  .tag--orange{background:#FFEDE7;color:#C93A16;border-color:#FFD3C5;}
  .tag--lemon{background:#F5FFD4;color:#4B5A12;border-color:#E2F0A8;}
  .svc-card__meta{display:flex;gap:8px;flex-wrap:wrap;}
  .svc-card__link{
    margin-top:auto;
    display:inline-flex;align-items:center;gap:8px;
    font-size:15px;font-weight:700;color:#0A7A5F;
  }
  .svc-card__link i{transition:transform .2s ease;}
  .svc-card:hover .svc-card__link i{transform:translateX(4px);}
  .svc-card__link:hover{color:var(--orange);}

  /* ============ 处理流程 ============ */
  .steps{
    margin-top:52px;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:22px;
    counter-reset:step;
  }
  .step{
    position:relative;
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.12);
    border-radius:var(--radius-card);
    padding:28px 24px;
  }
  .step__num{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;
    border-radius:13px;
    background:var(--teal);
    color:#05201A;
    font-weight:800;
    font-size:17px;
    margin-bottom:18px;
  }
  .step h3{font-size:19px;font-weight:800;color:var(--reverse);}
  .step p{margin-top:10px;font-size:14.8px;line-height:1.8;color:rgba(247,251,248,.7);}
  .step::after{
    content:"";
    position:absolute;top:48px;right:-14px;
    width:14px;height:2px;
    background:rgba(0,214,163,.5);
  }
  .step:last-child::after{display:none;}

  /* ============ 数据指标 ============ */
  .metrics{
    margin-top:52px;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
    border-top:1px solid rgba(255,255,255,.12);
    padding-top:40px;
  }
  .metric__num{
    font-size:40px;
    font-weight:800;
    line-height:1.15;
    color:var(--teal);
    letter-spacing:-.01em;
  }
  .metric:nth-child(2) .metric__num{color:var(--orange);}
  .metric:nth-child(4) .metric__num{color:var(--lemon);}
  .metric__label{margin-top:10px;font-size:14.5px;color:rgba(247,251,248,.66);line-height:1.7;}

  /* ============ 图文错落 ============ */
  .split{
    margin-top:56px;
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:48px;
    align-items:center;
  }
  .split--reverse .split__media{order:2;}
  .split__media{
    position:relative;
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow);
    background:var(--ink);
  }
  .split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
  .split__badge{
    position:absolute;left:18px;top:18px;
    background:rgba(11,18,16,.82);
    color:var(--reverse);
    font-size:13px;font-weight:700;
    padding:7px 14px;border-radius:var(--radius-pill);
    border:1px solid rgba(0,214,163,.4);
  }
  .split__body h3{font-size:27px;font-weight:800;line-height:1.35;}
  .split__body p{margin-top:16px;font-size:16.5px;color:var(--muted);line-height:1.85;}
  .check-list{margin-top:24px;display:grid;gap:14px;}
  .check-list li{
    display:flex;gap:12px;align-items:flex-start;
    font-size:16px;line-height:1.75;
  }
  .check-list i{
    flex:0 0 auto;
    margin-top:6px;
    width:20px;height:20px;
    border-radius:50%;
    background:rgba(0,214,163,.18);
    color:#0A7A5F;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:11px;
  }
  .check-list b{font-weight:700;}

  /* ============ FAQ ============ */
  .faq-grid{
    margin-top:52px;
    display:grid;
    grid-template-columns:.85fr 1.15fr;
    gap:56px;
    align-items:start;
  }
  .faq-aside{
    background:var(--ink);
    color:var(--reverse);
    border-radius:var(--radius-card);
    padding:32px 28px;
    border:1px solid rgba(0,214,163,.22);
  }
  .faq-aside h3{font-size:22px;font-weight:800;line-height:1.4;}
  .faq-aside p{margin-top:14px;font-size:15.5px;color:rgba(247,251,248,.72);line-height:1.85;}
  .faq-aside .btn{margin-top:24px;width:100%;}

  .accordion{
    background:transparent;
    border:none;
  }
  .accordion-item{
    border:none;
    border-bottom:1px solid var(--border);
    background:transparent;
  }
  .accordion-item:first-child{border-top:1px solid var(--border);}
  .accordion-title{
    position:relative;
    display:block;
    padding:22px 56px 22px 22px;
    font-size:17.5px;
    font-weight:700;
    color:var(--text);
    background:transparent;
    border:none;
    line-height:1.6;
    transition:background-color .2s ease,color .2s ease;
  }
  .accordion-title:hover,.accordion-title:focus{
    background:#EAF4EE;
    color:var(--text);
  }
  .accordion-title::before{
    content:"\2b";
    position:absolute;
    right:20px;top:50%;
    transform:translateY(-50%);
    width:30px;height:30px;
    display:flex;align-items:center;justify-content:center;
    font-size:19px;
    font-weight:600;
    color:#0A7A5F;
    background:rgba(0,214,163,.14);
    border-radius:9px;
    transition:transform .25s ease,background-color .25s ease;
  }
  .accordion-item.is-active .accordion-title{
    color:#0A7A5F;
    background:#EAF4EE;
    box-shadow:inset 4px 0 0 var(--teal);
  }
  .accordion-item.is-active .accordion-title::before{
    transform:translateY(-50%) rotate(45deg);
    background:var(--teal);
    color:#05201A;
  }
  .accordion-content{
    padding:0 56px 24px 26px;
    font-size:15.5px;
    line-height:1.85;
    color:var(--muted);
    background:transparent;
    border:none;
  }

  /* ============ 联系与表单 ============ */
  .contact-grid{
    margin-top:52px;
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:40px;
    align-items:start;
  }
  .form-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:34px 32px;
    box-shadow:var(--shadow);
  }
  .form-card h3{font-size:23px;font-weight:800;}
  .form-card > p{margin-top:10px;font-size:15.5px;color:var(--muted);}
  .form-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
    margin-top:20px;
  }
  .field{display:flex;flex-direction:column;gap:8px;}
  .field label{font-size:14.5px;font-weight:700;color:var(--text);}
  .field label span{color:var(--orange);}
  .field input,
  .field select,
  .field textarea{
    width:100%;
    font-family:inherit;
    font-size:15.5px;
    color:var(--text);
    background:#FBFDFA;
    border:1px solid var(--border);
    border-radius:var(--radius-sm);
    padding:0 16px;
    height:48px;
    transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  }
  .field textarea{height:132px;padding:13px 16px;line-height:1.7;resize:vertical;}
  .field input::placeholder,
  .field textarea::placeholder{color:#9AA9A1;}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--teal);
    background:#F3FCF8;
    box-shadow:0 0 0 3px rgba(0,214,163,.18);
  }
  .consent{
    margin-top:20px;
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14.5px;
    color:var(--muted);
    line-height:1.7;
  }
  .consent input{width:18px;height:18px;margin-top:4px;accent-color:var(--teal);}
  .form-card .btn{width:100%;margin-top:22px;}
  .form-note{
    margin-top:14px;
    font-size:13.5px;
    color:var(--muted);
    display:flex;align-items:center;gap:8px;
  }
  .form-note i{color:var(--teal);}

  .info-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:30px 28px;
    box-shadow:var(--shadow);
  }
  .info-card h3{font-size:21px;font-weight:800;}
  .info-list{margin-top:20px;display:grid;gap:18px;}
  .info-list li{display:flex;gap:14px;align-items:flex-start;}
  .info-list i{
    flex:0 0 auto;
    width:40px;height:40px;
    border-radius:12px;
    background:rgba(0,214,163,.14);
    color:#0A7A5F;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:15px;
  }
  .info-list b{display:block;font-size:15.5px;font-weight:700;color:var(--text);}
  .info-list span{font-size:14.5px;color:var(--muted);line-height:1.7;}
  .info-card--dark{
    margin-top:24px;
    background:var(--ink);
    border-color:rgba(0,214,163,.24);
    color:var(--reverse);
  }
  .info-card--dark h3{color:var(--reverse);}
  .info-card--dark p{margin-top:12px;font-size:15px;color:rgba(247,251,248,.72);line-height:1.8;}
  .info-card--dark strong{color:var(--lemon);}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink);
    color:rgba(247,251,248,.72);
    padding-top:0;
    margin-top:0;
  }
  .footer-cta{
    background:linear-gradient(120deg,rgba(0,214,163,.16),rgba(255,92,53,.14));
    border-bottom:1px solid rgba(255,255,255,.08);
    padding:44px 0;
  }
  .footer-cta__inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
  }
  .footer-cta h2{font-size:26px;font-weight:800;color:var(--reverse);line-height:1.4;}
  .footer-cta p{margin-top:10px;font-size:15.5px;color:rgba(247,251,248,.72);}
  .footer-cols{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.2fr;
    gap:40px;
    padding:56px 0 40px;
  }
  .footer-brand .brand{margin-bottom:18px;}
  .footer-brand p{font-size:15px;line-height:1.85;color:rgba(247,251,248,.68);}
  .footer-col h4{
    font-size:16px;
    font-weight:800;
    color:var(--reverse);
    margin-bottom:18px;
  }
  .footer-col ul{display:grid;gap:11px;}
  .footer-col a{font-size:15px;color:rgba(247,251,248,.7);}
  .footer-col a:hover{color:var(--teal);}
  .footer-col address{
    font-style:normal;
    font-size:14.8px;
    line-height:1.95;
    color:rgba(247,251,248,.68);
  }
  .footer-col address b{color:var(--reverse);font-weight:700;}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    justify-content:space-between;
    padding:22px 0 30px;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:13.8px;
    color:rgba(247,251,248,.55);
  }

  .back-top{
    position:fixed;
    right:22px;bottom:24px;
    width:46px;height:46px;
    border-radius:50%;
    background:var(--teal);
    color:#05201A;
    border:none;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:16px;
    box-shadow:0 10px 24px rgba(0,214,163,.32);
    cursor:pointer;
    opacity:0;
    pointer-events:none;
    transform:translateY(10px);
    transition:opacity .25s ease,transform .25s ease,background-color .2s ease;
    z-index:60;
  }
  .back-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
  .back-top:hover{background:var(--teal-deep);}

  /* ============ 响应式 ============ */
  @media (max-width:1099.98px){
    :root{--section-gap:80px;}
    .hero h1{font-size:42px;}
    .svc-grid{grid-template-columns:repeat(2,1fr);}
    .svc-card--wide{grid-column:span 2;flex-direction:row;}
    .steps{grid-template-columns:repeat(2,1fr);}
    .step::after{display:none;}
    .metrics{grid-template-columns:repeat(2,1fr);gap:28px;}
    .footer-cols{grid-template-columns:1fr 1fr;gap:34px;}
  }

  @media (max-width:1023.98px){
    .main-nav{display:none;}
    .nav-toggle{display:inline-flex;}
    .header__actions .btn--primary{display:none;}
    .split{grid-template-columns:1fr;gap:32px;}
    .split--reverse .split__media{order:0;}
    .faq-grid{grid-template-columns:1fr;gap:34px;}
    .contact-grid{grid-template-columns:1fr;gap:28px;}
  }

  @media (max-width:767.98px){
    :root{--gutter:24px;--section-gap:68px;}
    body{font-size:16px;}
    .hero{padding:56px 0 62px;}
    .hero h1{font-size:34px;line-height:1.3;}
    .hero__lead{font-size:16px;}
    .hero__search{flex-wrap:wrap;border-radius:18px;padding:12px;}
    .hero__search input{height:44px;width:100%;padding:0 8px;}
    .hero__search .btn{width:100%;}
    .section-title{font-size:26px;}
    .section-sub{font-size:15.8px;}
    .svc-grid{grid-template-columns:1fr;gap:18px;}
    .svc-card--wide{grid-column:span 1;flex-direction:column;}
    .svc-card--wide .svc-card__media{min-height:0;aspect-ratio:16/9;}
    .steps{grid-template-columns:1fr;gap:16px;}
    .metrics{grid-template-columns:1fr 1fr;gap:22px;padding-top:32px;}
    .metric__num{font-size:32px;}
    .form-card{padding:26px 20px;}
    .form-row{grid-template-columns:1fr;}
    .accordion-title{font-size:16.5px;padding:18px 52px 18px 16px;}
    .accordion-content{padding:0 20px 20px 20px;}
    .footer-cta__inner{flex-direction:column;align-items:flex-start;}
    .footer-cta h2{font-size:22px;}
    .footer-cols{grid-template-columns:1fr;padding:40px 0 30px;}
    .footer-bottom{flex-direction:column;gap:8px;}
    .promo-text{display:none;}
  }

  @media (max-width:519.98px){
    :root{--gutter:16px;}
    .hero h1{font-size:30px;}
    .brand__text{font-size:16px;}
    .metrics{grid-template-columns:1fr;}
    .back-top{right:14px;bottom:16px;}
  }

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;}
    html{scroll-behavior:auto;}
  }