/* roulang page: index */
:root{
  --c-primary:#0F4D3A;
  --c-primary-deep:#092F24;
  --c-primary-soft:#E4EDE7;
  --c-accent:#FF6A2B;
  --c-accent-deep:#E2551A;
  --c-highlight:#C8F135;
  --c-bg:#F6F4EE;
  --c-surface:#FFFFFF;
  --c-band:#EEF2EC;
  --c-text:#17211D;
  --c-text-sub:#5B6B64;
  --c-line:#DFE5DF;
  --c-success:#1F9D6B;
  --c-warn:#B7791F;
  --c-error:#C93A2E;
  --c-disabled:#A9B3AD;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(9,47,36,.06),0 10px 28px rgba(9,47,36,.08);
  --sh-2:0 2px 4px rgba(9,47,36,.08),0 16px 36px rgba(9,47,36,.12);
  --container:1240px;
  --font-sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed","Oswald",ui-monospace,"SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-highlight);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-primary);color:#fff;}

/* 容器与区块 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--band{background:var(--c-band);}
.section--deep{background:var(--c-primary-deep);color:#fff;}
.sec-head{margin-bottom:48px;max-width:760px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-accent);font-weight:700;margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:3px;background:var(--c-accent);border-radius:2px;}
.sec-title{
  position:relative;padding-left:16px;
  font-size:32px;line-height:1.32;font-weight:700;letter-spacing:.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;
  background:var(--c-accent);border-radius:2px;
}
.sec-sub{margin-top:14px;font-size:16px;color:var(--c-text-sub);max-width:660px;}
.sec-head__row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.link-more svg{transition:transform .2s ease;}
.link-more:hover svg{transform:translateX(5px);}
.link-more:hover{color:var(--c-accent);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:all .2s ease;white-space:nowrap;border:1px solid transparent;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--c-accent-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,106,43,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:rgba(15,77,58,.35);}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:var(--c-primary-soft);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--c-disabled);color:#f4f6f4;cursor:not-allowed;box-shadow:none;transform:none;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.badge--deep{background:var(--c-primary);color:#fff;}
.badge--hl{background:var(--c-highlight);color:#123A2C;}
.badge--outline{background:transparent;border:1px solid var(--c-line);color:var(--c-text-sub);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,padding .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 8px 24px rgba(9,47,36,.08);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:76px;transition:height .25s ease;}
.site-header.is-scrolled .nav-wrap{height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(145deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:grid;place-items:center;
  font-size:18px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(9,47,36,.24);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:12px;height:12px;
  background:var(--c-accent);border-radius:4px;border:2px solid #fff;
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--c-primary-deep);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--c-text-sub);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:18px;height:3px;border-radius:2px;background:var(--c-accent);
}
.nav-side{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box svg{position:absolute;left:12px;color:var(--c-text-sub);pointer-events:none;}
.search-input{
  height:44px;width:160px;padding:0 14px 0 36px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#FAFBF9;font-size:14px;
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-input::placeholder{color:#9AA6A0;}
.search-input:focus{
  width:220px;outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,77,58,.12);background:#fff;
}
.nav-text{font-size:14px;font-weight:600;color:var(--c-text-sub);padding:8px 6px;transition:color .2s ease;}
.nav-text:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;
  place-items:center;color:var(--c-primary);
}
.nav-toggle:hover{background:var(--c-primary-soft);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(9,47,36,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;
  background:#fff;z-index:80;padding:22px 22px 32px;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-primary);}
.drawer__close:hover{background:var(--c-primary-soft);}
.drawer__nav{display:flex;flex-direction:column;gap:4px;}
.drawer__nav a{
  padding:13px 14px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;color:var(--c-text);
  display:flex;align-items:center;justify-content:space-between;
  transition:background .2s ease,color .2s ease;
}
.drawer__nav a:hover,.drawer__nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer__divider{height:1px;background:var(--c-line);}
.drawer__contact{font-size:14px;color:var(--c-text-sub);line-height:1.9;}
.drawer__contact strong{display:block;color:var(--c-text);font-size:15px;margin-bottom:4px;}

/* ===== Hero ===== */
.hero{padding:72px 0 88px;position:relative;overflow:hidden;background:var(--c-bg);}
.hero::before{
  content:"";position:absolute;left:-160px;top:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(15,77,58,.10),transparent 68%);
  border-radius:50%;pointer-events:none;
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:13.5px;font-weight:600;color:var(--c-primary);margin-bottom:20px;
}
.hero__tag .dot{width:8px;height:8px;border-radius:50%;background:var(--c-highlight);box-shadow:0 0 0 4px rgba(200,241,53,.35);}
.hero h1{
  font-size:44px;line-height:1.28;font-weight:800;letter-spacing:-.01em;
  color:var(--c-primary-deep);max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--c-accent);}
.hero__lead{
  margin-top:20px;font-size:17px;line-height:1.85;color:var(--c-text-sub);max-width:36em;
}
.hero__actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero__stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line);
}
.hero-stat__num{
  font-family:var(--font-num);font-size:36px;font-weight:800;line-height:1;
  color:var(--c-primary);letter-spacing:.01em;font-variant-numeric:tabular-nums;
}
.hero-stat__num span{font-size:18px;margin-left:2px;color:var(--c-text-sub);}
.hero-stat__label{margin-top:8px;font-size:13.5px;color:var(--c-text-sub);}
.hero__visual{
  position:relative;border-radius:22px;overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--sh-2);background:var(--c-band);
}
.hero__visual img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.hero__visual:hover img{transform:scale(1.03);}
.hero__visual::after{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg,rgba(255,255,255,.10) 0 2px,transparent 2px 26px),
    linear-gradient(180deg,rgba(9,47,36,.18),rgba(9,47,36,.62));
}
.hero__visual-card{
  position:absolute;left:22px;bottom:22px;right:22px;z-index:2;
  background:rgba(255,255,255,.96);border-radius:14px;padding:16px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  backdrop-filter:blur(6px);
}
.hero__visual-card strong{display:block;font-size:15px;color:var(--c-primary-deep);}
.hero__visual-card span{font-size:13px;color:var(--c-text-sub);}
.hero__visual-pill{
  font-family:var(--font-num);font-size:20px;font-weight:800;color:#123A2C;
  background:var(--c-highlight);padding:6px 12px;border-radius:var(--r-pill);white-space:nowrap;
}

/* ===== 卖点区：左侧粘性标题 + 右侧序列 ===== */
.value__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start;}
.value__sticky{position:sticky;top:110px;}
.value__list{border-top:1px solid var(--c-line);}
.value-item{
  display:grid;grid-template-columns:66px 1fr;gap:20px;
  padding:26px 0;border-bottom:1px solid var(--c-line);
  transition:background .2s ease;
}
.value-item:hover{background:rgba(228,237,231,.5);}
.value-item__idx{
  font-family:var(--font-num);font-size:26px;font-weight:800;
  color:var(--c-accent);line-height:1.2;
}
.value-item__title{font-size:20px;font-weight:700;color:var(--c-primary-deep);}
.value-item__desc{margin-top:8px;font-size:15.5px;color:var(--c-text-sub);max-width:38em;}

/* ===== 演示区：左右交错 ===== */
.demo-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;
}
.demo-row + .demo-row{border-top:1px solid var(--c-line);}
.demo-row--reverse .demo-media{order:2;}
.demo-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:16/10;background:var(--c-band);box-shadow:var(--sh-1);
  border:1px solid var(--c-line);
}
.demo-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.demo-media:hover img{transform:scale(1.03);}
.demo-media__tag{
  position:absolute;left:16px;top:16px;z-index:2;
  background:rgba(9,47,36,.82);color:#fff;font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
}
.demo-body h3{font-size:22px;font-weight:700;color:var(--c-primary-deep);line-height:1.4;}
.demo-body p{margin-top:14px;color:var(--c-text-sub);font-size:16px;}
.demo-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.demo-list li{display:flex;gap:10px;font-size:15.5px;color:var(--c-text);}
.demo-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--c-accent);
}

/* ===== 证据区 ===== */
.proof-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.16);
}
.proof-metric__num{
  font-family:var(--font-num);font-size:44px;font-weight:800;line-height:1;
  color:#fff;font-variant-numeric:tabular-nums;
}
.proof-metric__num span{font-size:20px;margin-left:2px;color:rgba(255,255,255,.7);}
.proof-metric__label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);}
.proof-metric__bar{margin-top:14px;height:4px;border-radius:999px;background:rgba(255,255,255,.18);overflow:hidden;}
.proof-metric__bar i{display:block;height:100%;border-radius:999px;background:var(--c-highlight);}
.logo-wall{
  display:grid;grid-template-columns:repeat(6,1fr);gap:18px;
  padding:44px 0;border-bottom:1px solid rgba(255,255,255,.16);
}
.logo-item{
  height:66px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.55);
  font-size:15px;font-weight:700;letter-spacing:.06em;
  transition:all .25s ease;
}
.logo-item:hover{color:#fff;border-color:rgba(200,241,53,.6);background:rgba(255,255,255,.06);}
.reviews{
  display:flex;gap:20px;overflow-x:auto;padding:44px 0 12px;
  scroll-snap-type:x mandatory;
}
.reviews::-webkit-scrollbar{height:6px;}
.reviews::-webkit-scrollbar-track{background:rgba(255,255,255,.12);border-radius:999px;}
.reviews::-webkit-scrollbar-thumb{background:rgba(200,241,53,.7);border-radius:999px;}
.review-card{
  flex:0 0 360px;scroll-snap-align:start;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:24px;
}
.review-card p{font-size:15.5px;color:rgba(255,255,255,.88);line-height:1.85;}
.review-card__meta{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.62);}
.review-card__meta b{color:#fff;display:block;font-size:14.5px;font-weight:700;}

/* ===== 价格区 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;transition:all .25s ease;overflow:hidden;
}
.price-card::before{
  content:"";position:absolute;left:0;top:0;width:56px;height:3px;background:var(--c-accent);
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,77,58,.3);}
.price-card--feature{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.price-card--feature::before{background:var(--c-highlight);width:100%;}
.price-card--feature .price-card__desc,
.price-card--feature .price-card__unit{color:rgba(255,255,255,.75);}
.price-card--feature .price-card__feat{color:rgba(255,255,255,.9);}
.price-card--feature .price-card__feat::before{background:var(--c-highlight);color:#123A2C;}
.price-card__badge{
  position:absolute;right:20px;top:18px;
  background:var(--c-highlight);color:#123A2C;font-size:12.5px;font-weight:800;
  padding:4px 12px;border-radius:var(--r-pill);
}
.price-card__name{font-size:19px;font-weight:700;}
.price-card__desc{margin-top:8px;font-size:14px;color:var(--c-text-sub);line-height:1.7;}
.price-card__price{
  margin-top:22px;display:flex;align-items:baseline;gap:6px;
  font-family:var(--font-num);font-size:40px;font-weight:800;line-height:1;
}
.price-card__unit{font-family:var(--font-sans);font-size:14px;font-weight:500;color:var(--c-text-sub);}
.price-card__feats{margin:24px 0;display:flex;flex-direction:column;gap:12px;flex:1;}
.price-card__feat{display:flex;gap:10px;font-size:15px;color:var(--c-text);}
.price-card__feat::before{
  content:"✓";flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:5px;
  display:grid;place-items:center;font-size:11px;font-weight:800;
  background:var(--c-highlight);color:#123A2C;
}
.table-wrap{margin-top:40px;overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;}
table.compare{min-width:720px;font-size:15px;}
table.compare th,table.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--c-line);}
table.compare thead th{
  position:sticky;top:0;z-index:2;background:var(--c-primary-soft);
  color:var(--c-primary-deep);font-weight:700;font-size:14.5px;
}
table.compare tbody tr:hover{background:#FAFBF9;}
table.compare td:first-child{font-weight:600;color:var(--c-primary-deep);}
table.compare .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;}

/* ===== 资讯区 ===== */
.news-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:start;}
.news-lead{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .25s ease;display:block;
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,77,58,.3);}
.news-lead__media{aspect-ratio:16/9;overflow:hidden;background:var(--c-band);}
.news-lead__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-lead:hover .news-lead__media img{transform:scale(1.03);}
.news-lead__body{padding:24px 26px 26px;}
.news-lead__title{margin-top:14px;font-size:22px;font-weight:700;line-height:1.45;color:var(--c-primary-deep);transition:color .2s ease;}
.news-lead:hover .news-lead__title{color:var(--c-accent);}
.news-lead__excerpt{margin-top:12px;font-size:15px;color:var(--c-text-sub);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-lead__foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--c-text-sub);}
.news-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.news-card{
  display:flex;gap:16px;padding:16px 20px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease;align-items:center;
}
.news-card:last-child{border-bottom:none;}
.news-card:hover{background:#FAFBF9;}
.news-card__thumb{
  flex:0 0 auto;width:120px;height:84px;border-radius:12px;overflow:hidden;background:var(--c-band);
}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-card__thumb img{transform:scale(1.05);}
.news-card__body{min-width:0;flex:1;}
.news-card__title{
  font-size:16.5px;font-weight:700;line-height:1.5;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-card__title{color:var(--c-primary);}
.news-card__excerpt{
  margin-top:6px;font-size:13.5px;color:var(--c-text-sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{margin-top:8px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-text-sub);flex-wrap:wrap;}
.news-card__arrow{color:var(--c-text-sub);transition:transform .2s ease,color .2s ease;flex:0 0 auto;}
.news-card:hover .news-card__arrow{transform:translateX(4px);color:var(--c-accent);}
.news-empty{
  min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);text-align:center;padding:40px 24px;
}
.news-empty__mark{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary);opacity:.7;
}
.news-empty p{color:var(--c-text-sub);font-size:15px;}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 4px;min-height:58px;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .2s ease;
}
.faq-q::before{content:"";flex:0 0 auto;width:4px;height:20px;border-radius:2px;background:var(--c-accent);}
.faq-q:hover{color:var(--c-primary);}
.faq-q__icon{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);display:grid;place-items:center;
  color:var(--c-primary);transition:transform .25s ease,background .25s ease;
}
.faq-item.is-open .faq-q__icon{transform:rotate(45deg);background:var(--c-primary-soft);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease-out;
}
.faq-a__inner{padding:0 4px 24px 22px;color:var(--c-text-sub);font-size:15.5px;line-height:1.85;}

/* ===== 收尾 CTA ===== */
.cta-deep{background:var(--c-primary-deep);color:#fff;padding:88px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.cta-grid h2{font-size:32px;line-height:1.34;font-weight:700;}
.cta-grid p{margin-top:16px;color:rgba(255,255,255,.75);font-size:16px;max-width:34em;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.85);}
.cta-points li::before{
  content:"✓";flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:5px;
  display:grid;place-items:center;font-size:11px;font-weight:800;background:var(--c-highlight);color:#123A2C;
}
.form-card{
  background:#fff;border-radius:20px;padding:30px 28px;color:var(--c-text);
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.form-card h3{font-size:20px;font-weight:700;color:var(--c-primary-deep);}
.form-card > p{margin-top:8px;font-size:14px;color:var(--c-text-sub);}
.form-grid{margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-text);margin-bottom:7px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#FAFBF9;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 3px rgba(15,77,58,.12);
}
.field.has-error input,.field.has-error select{border-color:var(--c-error);}
.field__err{margin-top:6px;font-size:13px;color:var(--c-error);display:none;}
.field.has-error .field__err{display:block;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--c-text-sub);line-height:1.7;}
.form-success{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:34px 10px;min-height:320px;
}
.form-success.is-show{display:flex;}
.form-success__mark{
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:rgba(31,157,107,.12);color:var(--c-success);
}
.form-success h4{font-size:19px;font-weight:700;color:var(--c-primary-deep);}
.form-success p{font-size:14.5px;color:var(--c-text-sub);}
.form-success button{font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.btn.is-loading{pointer-events:none;opacity:.85;}
.spinner{
  width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.7);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);}
.footer-contact li b{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.5);transition:color .2s ease;}
.footer-bottom a:hover{color:#fff;}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:55;
  display:inline-flex;align-items:center;gap:10px;
  height:54px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 12px 30px rgba(255,106,43,.38);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background .2s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-accent-deep);transform:translateY(-3px);}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:56;
  display:none;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px rgba(9,47,36,.08);
  transform:translateY(110%);transition:transform .3s ease;
}
.mobile-bar.is-show{transform:translateY(0);}
.mobile-bar__icon{
  width:48px;height:48px;border-radius:var(--r-btn);flex:0 0 auto;
  display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary);
}
.mobile-bar .btn{flex:1;height:48px;}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 28px;}
  .hero h1{font-size:40px;}
  .nav-main{gap:0;}
  .nav-link{padding:9px 11px;font-size:14.5px;}
  .search-input{width:140px;}
  .search-input:focus{width:180px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section--band,.cta-deep{padding:72px 0;}
  .nav-main{display:none;}
  .nav-toggle{display:grid;}
  .search-box{display:none;}
  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding:52px 0 64px;}
  .hero h1{font-size:34px;max-width:100%;}
  .value__grid{grid-template-columns:1fr;gap:32px;}
  .value__sticky{position:static;}
  .price-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto;}
  .news-layout{grid-template-columns:1fr;}
  .proof-metrics{grid-template-columns:repeat(2,1fr);gap:24px;}
  .logo-wall{grid-template-columns:repeat(3,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sec-title{font-size:28px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .section--band{padding:52px 0;}
  .cta-deep{padding:60px 0 64px;}
  .nav-wrap{height:66px;}
  .site-header.is-scrolled .nav-wrap{height:60px;}
  .brand-text{font-size:17px;}
  .brand-mark{width:34px;height:34px;font-size:16px;}
  .hero{padding:40px 0 52px;}
  .hero h1{font-size:28px;}
  .hero__lead{font-size:16px;}
  .hero__stats{grid-template-columns:1fr;gap:16px;margin-top:32px;}
  .hero__actions .btn{width:100%;}
  .hero__visual{aspect-ratio:16/11;}
  .sec-title{font-size:23px;padding-left:14px;}
  .sec-title::before{height:19px;}
  .sec-head{margin-bottom:32px;}
  .demo-row{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .demo-row--reverse .demo-media{order:0;}
  .proof-metrics{grid-template-columns:1fr 1fr;gap:20px;padding-bottom:36px;}
  .proof-metric__num{font-size:34px;}
  .logo-wall{grid-template-columns:repeat(2,1fr);padding:32px 0;}
  .review-card{flex:0 0 300px;}
  .news-card{padding:14px 16px;gap:12px;}
  .news-card__thumb{width:96px;height:72px;}
  .news-card__excerpt{display:none;}
  .price-card{padding:26px 22px;}
  .faq-q{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .float-cta{display:none;}
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:72px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .cta-grid h2{font-size:24px;}
  .form-card{padding:24px 20px;}
  .proof-metrics{grid-template-columns:1fr;}
  .btn{height:48px;}
  .value-item{grid-template-columns:48px 1fr;gap:14px;}
  .value-item__idx{font-size:22px;}
}

/* roulang page: article */
:root{
  --c-primary:#0F4D3A;
  --c-primary-deep:#092F24;
  --c-primary-soft:#E4EDE7;
  --c-accent:#FF6A2B;
  --c-accent-deep:#E85818;
  --c-highlight:#C8F135;
  --c-bg:#F6F4EE;
  --c-surface:#FFFFFF;
  --c-band:#EEF2EC;
  --c-text:#17211D;
  --c-text-sub:#5B6B64;
  --c-line:#DFE5DF;
  --c-success:#1F9D6B;
  --c-warn:#B7791F;
  --c-error:#C93A2E;
  --c-muted:#A9B3AD;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(9,47,36,.06), 0 10px 28px rgba(9,47,36,.08);
  --shadow-2:0 2px 4px rgba(9,47,36,.08), 0 16px 36px rgba(9,47,36,.12);
  --font-sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate",Impact,system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-highlight);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:700;letter-spacing:.2px;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--c-accent-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,106,43,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:rgba(15,77,58,.32);}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-dark{background:var(--c-primary);color:#fff;}
.btn-dark:hover{background:var(--c-primary-deep);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn:disabled,.btn[aria-disabled="true"]{background:var(--c-muted);border-color:var(--c-muted);color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:700;font-size:15px;}
.btn-text .arw{transition:transform .2s var(--ease);}
.btn-text:hover{color:var(--c-accent);}
.btn-text:hover .arw{transform:translateX(6px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.3px;line-height:1.6;
}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-dark{background:var(--c-primary);color:#fff;}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-new{background:var(--c-highlight);color:#233B10;}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text-sub);font-size:13.5px;}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(140%) blur(10px);
  transition:box-shadow .25s var(--ease),height .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(9,47,36,.09);background:#fff;}
.nav-wrap{display:flex;align-items:center;gap:20px;height:76px;transition:height .25s var(--ease);}
.site-header.is-scrolled .nav-wrap{height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;
  background:var(--c-primary);color:#fff;
  font-size:18px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(15,77,58,.28);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--c-text);}
.brand:hover .brand-text{color:var(--c-primary);}
.nav-main{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--c-text-sub);white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:999px;background:var(--c-accent);
}
.nav-side{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:44px;width:168px;padding:0 12px;
  background:#FAFBF9;border:1px solid var(--c-line);border-radius:var(--radius-sm);
  color:var(--c-text-sub);
  transition:width .28s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{width:224px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,77,58,.1);}
.search-input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none;}
.nav-text{font-size:14.5px;font-weight:600;color:var(--c-text-sub);padding:8px 4px;}
.nav-text:hover{color:var(--c-accent);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);align-items:center;justify-content:center;}
.nav-toggle:hover{background:var(--c-primary-soft);border-color:var(--c-primary);}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(9,47,36,.42);opacity:0;pointer-events:none;transition:opacity .25s var(--ease);z-index:98;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:302px;max-width:86vw;
  background:var(--c-surface);z-index:99;
  transform:translateX(105%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:20px 22px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(9,47,36,.16);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:38px;height:38px;border-radius:10px;font-size:22px;line-height:1;color:var(--c-text-sub);border:1px solid var(--c-line);}
.drawer-close:hover{color:var(--c-accent);border-color:var(--c-accent);}
.drawer-links{display:flex;flex-direction:column;gap:4px;padding:16px 0;}
.drawer-links a{padding:12px 12px;border-radius:10px;font-size:16px;font-weight:600;color:var(--c-text);}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:12px;}
.drawer-foot .btn{width:100%;}
.drawer-foot p{font-size:13px;color:var(--c-text-sub);}

/* ============ 文章页头 ============ */
.article-banner{position:relative;overflow:hidden;background:var(--c-primary-deep);}
.banner-media{position:absolute;inset:0;}
.banner-media img{width:100%;height:100%;object-fit:cover;opacity:.34;}
.banner-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(9,47,36,.94) 0%,rgba(15,77,58,.82) 52%,rgba(9,47,36,.72) 100%);
}
.banner-inner{position:relative;padding:34px 32px 46px;color:#fff;}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.72);}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:var(--c-highlight);}
.breadcrumb .sep{width:1px;height:12px;background:rgba(255,255,255,.4);display:inline-block;}
.breadcrumb .current{
  max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(255,255,255,.68);
}
.article-header{margin-top:22px;max-width:860px;}
.article-header h1{
  margin-top:16px;
  font-size:42px;line-height:1.28;font-weight:800;letter-spacing:.4px;color:#fff;
}
.meta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.76);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--c-accent);}
.banner-stripe{
  position:relative;height:6px;background:repeating-linear-gradient(90deg,var(--c-accent) 0 26px,rgba(255,255,255,.16) 26px 52px);
}

/* ============ 文章主体布局 ============ */
.page-main{padding:56px 0 0;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:52px;
  justify-content:center;
  align-items:start;
}
.article-shell{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:44px 46px 40px;
}
.article-lead{
  padding:16px 20px;border-left:4px solid var(--c-accent);
  background:var(--c-band);border-radius:0 var(--radius-md) var(--radius-md) 0;
  font-size:15.5px;color:var(--c-text-sub);line-height:1.8;margin-bottom:32px;
}
.article-content{font-size:16.5px;line-height:1.85;color:var(--c-text);}
.article-content > * + *{margin-top:1.15em;}
.article-content h2{
  font-size:31px;line-height:1.32;font-weight:700;color:var(--c-text);
  margin-top:1.6em;margin-bottom:.6em;padding-left:14px;position:relative;
}
.article-content h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:22px;border-radius:2px;background:var(--c-accent);}
.article-content h3{font-size:21px;line-height:1.4;font-weight:700;margin-top:1.4em;margin-bottom:.6em;}
.article-content h4{font-size:17px;line-height:1.5;font-weight:600;margin-top:1.2em;margin-bottom:.5em;color:var(--c-primary);}
.article-content p{max-width:38em;}
.article-content a{color:var(--c-primary);border-bottom:1px solid rgba(15,77,58,.35);}
.article-content a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.article-content ul{padding-left:0;}
.article-content ul li{position:relative;padding-left:22px;margin-bottom:.5em;}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.68em;width:8px;height:8px;border-radius:2px;background:var(--c-accent);
}
.article-content ol{list-style:none;counter-reset:oc;}
.article-content ol li{position:relative;padding-left:34px;margin-bottom:.55em;counter-increment:oc;}
.article-content ol li::before{
  content:counter(oc);
  position:absolute;left:0;top:.18em;
  font-family:var(--font-num);font-size:17px;font-weight:600;color:var(--c-primary);
  width:24px;text-align:center;
}
.article-content blockquote{
  margin:1.4em 0;padding:18px 22px;
  border-left:4px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--c-text-sub);font-size:15.5px;
}
.article-content img{border-radius:14px;margin:1.4em 0;width:100%;height:auto;}
.article-content figure{margin:1.4em 0;}
.article-content figcaption{font-size:13px;color:var(--c-text-sub);text-align:center;margin-top:10px;}
.article-content table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;
  border:1px solid var(--c-line);border-radius:var(--radius-md);overflow:hidden;
}
.article-content thead th{background:var(--c-band);font-weight:700;text-align:left;color:var(--c-primary);}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--c-line);}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content code{
  background:var(--c-band);border-radius:6px;padding:2px 7px;
  font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;font-size:14.5px;color:var(--c-primary);
}
.article-content pre{
  background:#F3F6F2;border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:16px 18px;overflow-x:auto;font-size:14.5px;line-height:1.7;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.article-empty{
  text-align:center;padding:64px 20px;
}
.article-empty .empty-mark{
  width:66px;height:66px;border-radius:18px;margin:0 auto 18px;
  display:grid;place-items:center;background:var(--c-band);color:var(--c-primary);
  font-size:28px;font-weight:800;
}
.article-empty h2{font-size:24px;font-weight:700;margin-bottom:8px;}
.article-empty p{color:var(--c-text-sub);margin-bottom:22px;}

/* 标签 */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid var(--c-line);}
.article-tags .tag-label{font-size:14px;font-weight:700;color:var(--c-primary);margin-right:4px;align-self:center;}

/* 返回 */
.back-link{margin-top:26px;}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:22px;
}
.side-card h3{font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:14px;padding-left:12px;position:relative;}
.side-card h3::before{content:"";position:absolute;left:0;top:.35em;width:4px;height:16px;border-radius:2px;background:var(--c-accent);}
.hot-list li + li{border-top:1px solid var(--c-line);}
.hot-list a{display:block;padding:12px 0;font-size:14.5px;line-height:1.6;color:var(--c-text-sub);}
.hot-list a:hover{color:var(--c-primary);}
.hot-list .hot-meta{display:block;font-size:12.5px;color:var(--c-muted);margin-top:4px;font-family:var(--font-num);letter-spacing:.5px;}
.side-cta{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--c-highlight);}
.side-cta p{font-size:14px;color:rgba(255,255,255,.8);line-height:1.75;margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ============ 相关推荐 ============ */
.section{padding:80px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.section-head h2{
  font-size:32px;line-height:1.32;font-weight:700;padding-left:14px;position:relative;
}
.section-head h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:22px;border-radius:2px;background:var(--c-accent);}
.section-head .sub{font-size:15px;color:var(--c-text-sub);margin-top:8px;padding-left:14px;}
.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,77,58,.3);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--c-band);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;line-height:1.45;font-weight:700;margin-bottom:10px;}
.card:hover .card-body h3{color:var(--c-primary);}
.card-body p{font-size:14.5px;color:var(--c-text-sub);line-height:1.75;margin-bottom:16px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.card-foot .arw{color:var(--c-primary);font-weight:700;transition:transform .2s var(--ease);}
.card:hover .card-foot .arw{transform:translateX(5px);}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary-deep) 0%,var(--c-primary) 100%);
  color:#fff;border-radius:0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:rgba(200,241,53,.12);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:72px 0;}
.cta-inner h2{font-size:34px;line-height:1.32;font-weight:700;margin-bottom:14px;}
.cta-inner p{font-size:15.5px;color:rgba(255,255,255,.82);line-height:1.85;max-width:34em;}
.cta-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.cta-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column;gap:14px;}
.cta-form h3{font-size:17px;font-weight:700;color:#fff;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13.5px;color:rgba(255,255,255,.78);}
.field input{
  height:48px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.94);padding:0 14px;font-size:15px;color:var(--c-text);outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,106,43,.22);}
.field.has-error input{border-color:var(--c-error);box-shadow:0 0 0 3px rgba(201,58,46,.2);}
.field .err{font-size:13px;color:#FFC8BE;display:none;}
.field.has-error .err{display:block;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.62);}
.form-success{display:none;align-items:center;gap:12px;font-size:15px;color:#DFF7C6;}
.form-success.is-visible{display:flex;}
.form-success .ok{
  width:34px;height:34px;border-radius:50%;background:var(--c-highlight);color:#233B10;
  display:grid;place-items:center;font-weight:800;flex-shrink:0;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.7);padding:66px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-accent);}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:32em;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;line-height:1.95;color:rgba(255,255,255,.66);}
.footer-contact b{color:rgba(255,255,255,.86);font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{font-size:12.5px;color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:30px;bottom:32px;z-index:80;
  display:inline-flex;align-items:center;gap:9px;
  height:52px;padding:0 24px;border-radius:999px;
  background:var(--c-accent);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 28px rgba(255,106,43,.36);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease),background-color .2s var(--ease);
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--c-accent-deep);transform:translateY(-3px);}
.float-cta svg{width:18px;height:18px;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 286px;gap:36px;}
  .article-header h1{font-size:38px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-box{width:150px;}
  .search-box:focus-within{width:180px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;}
  .article-shell{padding:36px 32px 32px;}
  .article-header h1{font-size:34px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:60px 0;}
  .related-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .page-main{padding:36px 0 0;}
  .search-box{display:none;}
  .nav-text{display:none;}
  .article-shell{padding:28px 20px 26px;border-radius:14px;}
  .article-header h1{font-size:29px;line-height:1.32;}
  .article-content{font-size:16px;line-height:1.9;}
  .article-content h2{font-size:23px;}
  .article-content h3{font-size:19px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:24px;}
  .related-list{grid-template-columns:1fr;}
  .cta-inner h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:60px;border-radius:0;
    justify-content:center;padding-bottom:env(safe-area-inset-bottom);
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0);}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .article-header h1{font-size:26px;}
  .btn{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .brand-text{font-size:17px;}
  .banner-inner{padding:26px 18px 36px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F4D3A;
  --c-primary-deep:#092F24;
  --c-primary-soft:#E4EDE7;
  --c-accent:#FF6A2B;
  --c-accent-deep:#E8571A;
  --c-highlight:#C8F135;
  --c-bg:#F6F4EE;
  --c-surface:#FFFFFF;
  --c-band:#EEF2EC;
  --c-text:#17211D;
  --c-text-sub:#5B6B64;
  --c-line:#DFE5DF;
  --c-ok:#1F9D6B;
  --c-warn:#B7791F;
  --c-err:#C93A2E;
  --c-off:#A9B3AD;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(9,47,36,.06),0 10px 28px rgba(9,47,36,.08);
  --sh-lg:0 2px 4px rgba(9,47,36,.08),0 16px 36px rgba(9,47,36,.12);
  --container:1240px;
  --font-sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate","Arial Narrow",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-highlight);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:.01em;}
h1{font-size:44px;line-height:1.28;font-weight:800;}
h2{font-size:32px;line-height:1.32;font-weight:700;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.02em;font-variant-numeric:tabular-nums;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:rgba(246,244,238,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 4px 18px rgba(9,47,36,.07);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
  transition:min-height .25s ease;
}
.site-header.is-scrolled .nav-wrap{min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  color:#fff;
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow:0 6px 14px rgba(9,47,36,.22);
}
.brand-text{font-size:19px;font-weight:800;color:var(--c-primary-deep);white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:8px;
  font-size:15.5px;
  font-weight:600;
  color:var(--c-text-sub);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:3px;
  border-radius:999px;
  background:var(--c-accent);
}
.nav-side{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  width:170px;
  padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--c-text-sub);
  transition:width .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.search-box:focus-within{
  width:230px;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,77,58,.1);
}
.search-input{
  border:0;
  outline:none;
  background:transparent;
  width:100%;
  font-size:14.5px;
  color:var(--c-text);
}
.search-input::placeholder{color:#9AA6A0;}
.nav-text{
  font-size:15px;
  font-weight:600;
  color:var(--c-text-sub);
  padding:6px 2px;
  border-bottom:2px solid transparent;
}
.nav-text:hover{color:var(--c-primary);border-bottom-color:var(--c-accent);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  color:var(--c-primary);
  cursor:pointer;
}
.nav-toggle:hover{background:var(--c-primary-soft);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:700;
  cursor:pointer;
  text-align:center;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14.5px;}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,106,43,.26);
}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,106,43,.32);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  background:#fff;
  color:var(--c-primary);
  border-color:rgba(15,77,58,.34);
}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-light{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);}
.btn[disabled],.btn.is-disabled{background:var(--c-off);border-color:var(--c-off);color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}
.btn .arrow{transition:transform .2s ease;}
.btn:hover .arrow{transform:translateX(5px);}

/* ===== 通用区块 ===== */
.section{padding:96px 0;}
.section-band{background:var(--c-band);}
.section-tight{padding:72px 0;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-size:14px;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.06em;
}
.sec-title{
  position:relative;
  padding-left:16px;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:4px;height:22px;
  border-radius:2px;
  background:var(--c-accent);
}
.sec-head.center .sec-title{padding-left:0;}
.sec-head.center .sec-title::before{display:none;}
.sec-desc{margin-top:16px;color:var(--c-text-sub);font-size:16.5px;max-width:660px;}
.sec-head.center .sec-desc{margin-left:auto;margin-right:auto;}

/* ===== 分类页 Hero ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--c-primary-deep);
  color:#fff;
  padding:38px 0 54px;
  min-height:260px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center right;
  opacity:.30;
  filter:saturate(.85);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(9,47,36,.96) 0%,rgba(9,47,36,.86) 46%,rgba(9,47,36,.5) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{width:1px;height:12px;background:rgba(255,255,255,.36);display:inline-block;}
.breadcrumb .current{color:rgba(255,255,255,.92);}
.page-hero h1{
  color:#fff;
  max-width:820px;
  font-size:40px;
}
.page-hero .hero-lead{
  margin-top:18px;
  max-width:640px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:46px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stat b{
  display:block;
  font-family:var(--font-num);
  font-size:34px;
  line-height:1.1;
  color:var(--c-highlight);
  font-weight:600;
}
.hero-stat span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.74);}

/* ===== 卡片网格 ===== */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:52px;height:3px;
  background:var(--c-accent);
  border-radius:0 0 3px 0;
  z-index:3;
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-lg);
  border-color:rgba(15,77,58,.3);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  background:var(--c-band);
  overflow:hidden;
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .34s ease;
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:22px 24px 24px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.badge-dark{background:var(--c-primary-deep);color:#fff;}
.badge-hot{background:var(--c-highlight);color:#243016;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.card h3{margin-bottom:10px;font-size:20px;}
.card-text{color:var(--c-text-sub);font-size:15px;line-height:1.8;}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--c-line);
  font-size:14px;
  font-weight:700;
  color:var(--c-primary);
}
.card-foot .meta{font-family:var(--font-num);font-size:16px;color:var(--c-text-sub);font-weight:600;}
.card-foot .arrow{transition:transform .22s ease;}
.card:hover .card-foot .arrow{transform:translateX(6px);}
.card:hover .card-foot{color:var(--c-accent-deep);}

/* ===== 时段计费 ===== */
.band-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.band-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.band-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);}
.band-card .bc-label{font-size:14px;font-weight:700;color:var(--c-primary);}
.band-card .bc-num{
  font-family:var(--font-num);
  font-size:30px;
  line-height:1.2;
  color:var(--c-primary-deep);
  margin:12px 0 4px;
  font-weight:600;
}
.band-card .bc-unit{font-size:13px;color:var(--c-text-sub);}
.band-card p{margin-top:14px;font-size:14px;color:var(--c-text-sub);line-height:1.75;}
.meter{
  height:4px;
  border-radius:999px;
  background:var(--c-band);
  overflow:hidden;
  margin-top:16px;
}
.meter i{display:block;height:100%;background:var(--c-highlight);border-radius:999px;}

/* ===== 适用对象 ===== */
.fit-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.fit-item{
  display:flex;
  gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.fit-item:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-left-color:var(--c-accent);}
.fit-num{
  flex:0 0 auto;
  font-family:var(--font-num);
  font-size:26px;
  font-weight:600;
  color:var(--c-accent);
  line-height:1.2;
}
.fit-item h3{font-size:18.5px;margin-bottom:8px;}
.fit-item p{font-size:15px;color:var(--c-text-sub);}

/* ===== 流程 ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);}
.step-idx{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:999px;
  background:var(--c-primary);
  color:#fff;
  font-family:var(--font-num);
  font-size:17px;
  font-weight:600;
  margin-bottom:16px;
}
.step h3{font-size:17.5px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--c-text-sub);}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:58px;
  padding:14px 22px;
  cursor:pointer;
  list-style:none;
  font-size:16.5px;
  font-weight:700;
  color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  flex:0 0 auto;
  width:4px;
  height:20px;
  border-radius:2px;
  background:var(--c-accent);
}
.faq-item summary .faq-icon{
  margin-left:auto;
  flex:0 0 auto;
  width:22px;height:22px;
  color:var(--c-primary);
  transition:transform .2s ease-out;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);}
.faq-item .faq-body{
  padding:2px 22px 22px 40px;
  color:var(--c-text-sub);
  font-size:15.5px;
  line-height:1.85;
}

/* ===== CTA 与表单 ===== */
.cta-band{
  background:var(--c-primary-deep);
  color:#fff;
  padding:88px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:start;
}
.cta-band h2{color:#fff;font-size:32px;padding-left:0;}
.cta-band h2::before{display:none;}
.cta-band p{color:rgba(255,255,255,.78);margin-top:16px;font-size:16px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:rgba(255,255,255,.86);
}
.cta-points svg{flex:0 0 auto;margin-top:6px;color:var(--c-highlight);}
.form-card{
  background:#fff;
  border-radius:var(--r-card);
  padding:28px 26px 26px;
  box-shadow:var(--sh-lg);
  color:var(--c-text);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--c-text-sub);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--c-text-sub);margin-bottom:8px;}
.field input,.field select{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#FAFBF9;
  font-family:inherit;
  font-size:15px;
  color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input:focus,.field select:focus{
  outline:none;
  background:#fff;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,77,58,.12);
}
.field.has-error input,.field.has-error select{border-color:var(--c-err);background:#FDF6F5;}
.field .err-tip{display:none;margin-top:6px;font-size:13px;color:var(--c-err);}
.field.has-error .err-tip{display:block;}
.form-card .btn{width:100%;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--c-text-sub);text-align:center;}
.spinner{
  width:16px;height:16px;
  border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;
  border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.form-success{
  display:none;
  text-align:center;
  padding:22px 6px 8px;
}
.form-success .ok-icon{
  width:54px;height:54px;
  margin:0 auto 16px;
  border-radius:999px;
  background:rgba(31,157,107,.12);
  color:var(--c-ok);
  display:flex;align-items:center;justify-content:center;
}
.form-success h3{margin-bottom:8px;}
.form-success p{font-size:14.5px;color:var(--c-text-sub);}
.form-success .reset-link{
  display:inline-block;
  margin-top:14px;
  font-size:14px;
  font-weight:700;
  color:var(--c-primary);
  border-bottom:2px solid var(--c-accent);
  padding-bottom:2px;
}
.is-loading .btn-primary{background:var(--c-primary);box-shadow:none;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.7);
  padding:72px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:42px;
  padding-bottom:46px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:19px;
  font-weight:800;
  margin-bottom:18px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-links{display:grid;gap:12px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.7);
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.7);}
.footer-contact b{color:#fff;font-weight:700;margin-right:4px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:14px 26px;
  align-items:center;
  justify-content:space-between;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;
  color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{font-size:12.5px;color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:#fff;}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:800;
  display:inline-flex;
  align-items:center;
  gap:9px;
  height:54px;
  padding:0 24px;
  border-radius:999px;
  background:var(--c-accent);
  color:#fff;
  font-size:15.5px;
  font-weight:700;
  box-shadow:0 14px 30px rgba(255,106,43,.34);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,filter .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{filter:brightness(.94);transform:translateY(-2px);}
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:850;
  height:60px;
  padding:0 16px calc(env(safe-area-inset-bottom, 0px));
  align-items:center;
  gap:12px;
  background:rgba(9,47,36,.97);
  border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(100%);
  transition:transform .28s ease;
}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar .mb-text{color:rgba(255,255,255,.8);font-size:13px;flex:1;}
.mobile-bar .btn{min-height:42px;padding:0 18px;font-size:14.5px;}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .card-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-main{gap:0;}
  .nav-link{padding:9px 10px;font-size:14.5px;}
  .nav-text{display:none;}
  .search-box{width:150px;}
  .search-box:focus-within{width:190px;}
  .section{padding:72px 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .band-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero h1{font-size:34px;}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.9;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .container{padding:0 18px;}
  .nav-main{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:14px 18px 18px;
    background:#fff;
    border-bottom:1px solid var(--c-line);
    box-shadow:0 18px 30px rgba(9,47,36,.12);
  }
  .nav-main.is-open{display:flex;}
  .nav-link{padding:13px 12px;font-size:16px;border-radius:10px;}
  .nav-link.is-active::after{left:12px;right:auto;width:22px;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .nav-side .btn-sm{display:none;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .sec-head{margin-bottom:30px;}
  .card-grid{grid-template-columns:1fr;}
  .fit-grid{grid-template-columns:1fr;}
  .band-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .hero-stats{gap:28px;}
  .hero-stat b{font-size:28px;}
  .page-hero{padding:28px 0 42px;}
  .page-hero h1{font-size:27px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{display:none;}
  .mobile-bar{display:flex;}
  .cta-band{padding:56px 0 76px;}
  .cta-band h2{font-size:25px;}
  .faq-item .faq-body{padding:2px 20px 20px 20px;}
}
@media (max-width:480px){
  .btn{width:100%;min-height:48px;}
  .card-body{padding:20px 18px 20px;}
  .form-card{padding:22px 18px;}
  .hero-stats{gap:20px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#0F4D3A;
  --c-primary-deep:#092F24;
  --c-primary-soft:#E4EDE7;
  --c-accent:#FF6A2B;
  --c-accent-deep:#E4571B;
  --c-highlight:#C8F135;
  --c-bg:#F6F4EE;
  --c-surface:#FFFFFF;
  --c-band:#EEF2EC;
  --c-text:#17211D;
  --c-text-sub:#5B6B64;
  --c-line:#DFE5DF;
  --c-success:#1F9D6B;
  --c-warn:#B7791F;
  --c-error:#C93A2E;
  --c-disabled:#A9B3AD;

  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(9,47,36,.06), 0 10px 28px rgba(9,47,36,.08);
  --sh-2:0 2px 4px rgba(9,47,36,.08), 0 16px 36px rgba(9,47,36,.12);

  --font-sans:"HarmonyOS Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate","HarmonyOS Sans","PingFang SC",sans-serif;

  --wrap:1240px;
  --pad:32px;
  --block:96px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-highlight);outline-offset:2px;border-radius:4px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--c-accent-deep);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:rgba(15,77,58,.4);}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 6px;height:auto;}
.btn-ghost:hover{color:var(--c-accent);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--c-disabled);color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}
.btn .arrow{transition:transform .18s ease;}
.btn:hover .arrow{transform:translateX(5px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:700;line-height:1.6;
}
.badge-dark{background:var(--c-primary-deep);color:#fff;}
.badge-new{background:var(--c-highlight);color:#1C2B22;}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:14px;color:var(--c-text-sub);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.chip:hover{border-color:rgba(15,77,58,.35);color:var(--c-primary);transform:translateY(-2px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,238,.88);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{
  background:#fff;
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 20px rgba(9,47,36,.07);
}
.nav-wrap{
  display:flex;align-items:center;gap:26px;
  min-height:74px;
  transition:min-height .25s ease;
}
.site-header.is-stuck .nav-wrap{min-height:66px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--c-primary);color:#fff;
  font-size:19px;font-weight:800;letter-spacing:.02em;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--c-primary);}
.nav-main{display:flex;align-items:center;gap:4px;flex:1;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--c-text-sub);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
  border-radius:var(--r-pill);background:var(--c-accent);
}
.nav-side{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:44px;width:170px;padding:0 12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-text-sub);
  transition:width .22s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{width:224px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,77,58,.1);}
.search-input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--c-text);}
.nav-text{font-size:15px;font-weight:600;color:var(--c-text-sub);transition:color .18s ease;}
.nav-text:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-drawer-extra{display:none;}

/* ============ 页首窄版 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-primary-deep);
  color:#fff;
  padding:56px 0 60px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(9,47,36,.94) 0%,rgba(9,47,36,.82) 46%,rgba(15,77,58,.55) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,241,53,.16),transparent 62%);
}
.page-hero .container{position:relative;z-index:2;max-width:1080px;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:14px;color:rgba(255,255,255,.66);margin-bottom:18px;
}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{width:1px;height:12px;background:rgba(255,255,255,.35);display:inline-block;}
.breadcrumb .current{color:#fff;}
.page-hero h1{
  font-size:42px;line-height:1.28;font-weight:800;letter-spacing:.01em;
  max-width:820px;margin-bottom:16px;
}
.page-hero .lead{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);
  max-width:660px;margin-bottom:26px;
}
.page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{font-size:13px;color:rgba(255,255,255,.62);}

/* ============ 通用板块 ============ */
.section{padding:var(--block) 0;}
.section--band{background:var(--c-band);}
.section--tight{padding-top:64px;padding-bottom:64px;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{
  font-size:32px;line-height:1.32;font-weight:700;letter-spacing:.01em;
  padding-left:16px;position:relative;margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:9px;width:4px;height:22px;border-radius:3px;background:var(--c-accent);
}
.section-head p{color:var(--c-text-sub);font-size:16px;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  margin-top:-34px;position:relative;z-index:5;
}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
}
.stat-num{
  font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1.1;
  color:var(--c-primary);letter-spacing:.01em;
}
.stat-label{font-size:14px;color:var(--c-text-sub);margin-top:6px;}
.stat-bar{height:4px;border-radius:var(--r-pill);background:var(--c-band);margin-top:14px;overflow:hidden;}
.stat-bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-highlight);}

/* ============ 长文流 ============ */
.flow-wrap{max-width:1000px;margin:0 auto;}
.flow-inner{max-width:760px;margin:0 auto;}
.flow-inner h2{
  font-size:30px;line-height:1.34;font-weight:700;
  padding-left:16px;position:relative;
  margin:56px 0 14px;
}
.flow-inner h2:first-child{margin-top:0;}
.flow-inner h2::before{
  content:"";position:absolute;left:0;top:10px;width:4px;height:22px;border-radius:3px;background:var(--c-accent);
}
.flow-inner h3{font-size:20px;line-height:1.4;font-weight:700;margin:26px 0 10px;}
.flow-inner p{color:#2C3A33;margin-bottom:1.15em;}
.flow-inner p.muted{color:var(--c-text-sub);font-size:15px;}

.figure{margin:34px 0;}
.figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--c-line);
  transition:transform .3s ease;
}
.figure .img-frame{overflow:hidden;border-radius:var(--r-img);}
.figure .img-frame:hover img{transform:scale(1.03);}
.figure figcaption{font-size:13px;color:var(--c-text-sub);margin-top:10px;line-height:1.6;}
.figure--narrow{width:88%;}
.figure--right{margin-left:auto;}

.split{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  max-width:1000px;margin:40px auto;
}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--c-line);transition:transform .3s ease;
}
.split-media{overflow:hidden;border-radius:var(--r-img);}
.split-media:hover img{transform:scale(1.03);}
.split-body h3{margin-top:0;}
.split-body p{font-size:16px;color:#2C3A33;}
.split--reverse .split-media{order:2;}

.key-box{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid var(--c-accent);
  border-radius:var(--r-card);padding:22px 24px;margin:26px 0;box-shadow:var(--sh-1);
}
.key-box .key-title{font-size:15px;font-weight:800;color:var(--c-primary);margin-bottom:12px;letter-spacing:.02em;}
.key-box ul li{
  position:relative;padding-left:18px;font-size:15.5px;line-height:1.8;color:#2C3A33;margin-bottom:6px;
}
.key-box ul li::before{
  content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:2px;background:var(--c-accent);
}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:10px;font-size:16px;color:#2C3A33;line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:14px;height:14px;border-radius:4px;
  background:var(--c-highlight);
}

/* 时间表 */
.schedule{border-top:1px solid var(--c-line);margin:26px 0;}
.schedule li{
  display:grid;grid-template-columns:110px 1fr;gap:18px;
  padding:16px 0;border-bottom:1px solid var(--c-line);align-items:baseline;
}
.schedule .time{
  font-family:var(--font-num);font-size:19px;font-weight:600;color:var(--c-primary);letter-spacing:.02em;
}
.schedule .what{font-size:16px;color:#2C3A33;}
.schedule .what b{display:block;font-size:16.5px;margin-bottom:2px;}
.schedule .what span{font-size:14px;color:var(--c-text-sub);}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(15,77,58,.3);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  min-height:58px;padding:14px 22px 14px 20px;
  font-size:16.5px;font-weight:700;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:4px;height:20px;border-radius:3px;background:var(--c-accent);flex-shrink:0;
}
.faq-item summary .sign{
  margin-left:auto;flex-shrink:0;color:var(--c-primary);font-size:22px;line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary .sign{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px 38px;color:var(--c-text-sub);font-size:16px;line-height:1.85;}

/* ============ CTA 分区 ============ */
.cta-band{
  background:var(--c-primary-deep);color:#fff;padding:var(--block) 0;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.22),transparent 65%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-band h2{font-size:32px;line-height:1.34;font-weight:700;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;max-width:520px;}
.cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.cta-points span{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
}
.form-card{
  background:var(--c-surface);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--sh-2);color:var(--c-text);
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.form-card .form-tip{font-size:14px;color:var(--c-text-sub);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text-sub);margin-bottom:6px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;
  background:#FAFBF9;border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-text);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field input:focus,.field select:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(15,77,58,.12);}
.field.has-error input,.field.has-error select{border-color:var(--c-error);}
.field .err{display:none;font-size:13px;color:var(--c-error);margin-top:6px;}
.field.has-error .err{display:block;}
.form-success{display:none;text-align:center;padding:26px 10px;}
.form-success .tick{
  width:54px;height:54px;margin:0 auto 14px;border-radius:50%;
  background:var(--c-highlight);color:#1C2B22;display:grid;place-items:center;font-size:26px;font-weight:800;
}
.form-success p{color:var(--c-text-sub);font-size:15px;margin-bottom:14px;}
.spinner{
  width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;display:none;
}
.btn.is-loading .spinner{display:inline-block;}
.btn.is-loading .btn-label{opacity:.75;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.7);padding:72px 0 26px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-col p{line-height:1.85;color:rgba(255,255,255,.7);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.7);transition:color .18s ease,transform .18s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{margin-bottom:10px;line-height:1.7;color:rgba(255,255,255,.7);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom nav a{color:rgba(255,255,255,.6);}
.footer-bottom nav a:hover{color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:26px;bottom:28px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 12px 28px rgba(255,106,43,.35);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background-color .18s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-accent-deep);}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;
  background:var(--c-surface);border-top:1px solid var(--c-line);
  padding:8px 14px calc(8px + env(safe-area-inset-bottom));
  align-items:center;gap:12px;
  transform:translateY(110%);transition:transform .28s ease;
  box-shadow:0 -8px 24px rgba(9,47,36,.1);
}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar .btn{flex:1;}
.mobile-bar .icon-btn{
  width:46px;height:46px;border-radius:var(--r-btn);flex-shrink:0;
  border:1px solid var(--c-line);background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  :root{--block:84px;}
}
@media (max-width:1024px){
  :root{--wrap:100%;--pad:24px;--block:72px;}
  body{font-size:16.5px;}
  .nav-wrap{gap:18px;}
  .nav-text{display:none;}
  .search-box{width:150px;}
  .search-box:focus-within{width:180px;}
  .nav-link{padding:9px 11px;font-size:14.5px;}
  .page-hero h1{font-size:36px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-main{
    position:fixed;top:0;right:0;bottom:0;width:302px;
    background:var(--c-surface);flex-direction:column;align-items:stretch;
    padding:78px 22px 26px;gap:6px;
    box-shadow:-14px 0 34px rgba(9,47,36,.16);
    transform:translateX(104%);transition:transform .28s ease;
    overflow-y:auto;z-index:100;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-link{padding:13px 14px;border-radius:12px;font-size:16px;}
  .nav-link.is-active::after{left:14px;right:auto;width:22px;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .nav-drawer-extra{
    display:block;margin-top:18px;padding-top:18px;border-top:1px solid var(--c-line);
  }
  .nav-drawer-extra .search-box{display:flex;width:100%;margin-bottom:14px;}
  .nav-drawer-extra .search-box:focus-within{width:100%;}
  .nav-drawer-extra .drawer-contact{font-size:13.5px;color:var(--c-text-sub);line-height:1.8;}
  .nav-drawer-extra .drawer-contact b{color:var(--c-text);}
  .nav-drawer-extra .btn{margin-bottom:14px;}
  .split{grid-template-columns:1fr;gap:22px;}
  .split--reverse .split-media{order:0;}
  .figure--narrow{width:100%;}
  .figure--right{margin-left:0;}
}
@media (max-width:768px){
  :root{--pad:20px;--block:56px;}
  .page-hero{padding:40px 0 46px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:16px;}
  .section-head h2,.flow-inner h2,.cta-band h2{font-size:24px;}
  .flow-inner h2{margin-top:42px;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:14px;margin-top:-26px;}
  .stat-num{font-size:28px;}
  .schedule li{grid-template-columns:84px 1fr;gap:12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{display:none;}
  .mobile-bar{display:flex;}
  .faq-body{padding:0 18px 18px 34px;}
  .faq-item summary{padding:14px 16px 14px 16px;font-size:16px;gap:10px;}
}
@media (max-width:520px){
  :root{--pad:18px;}
  body{font-size:16px;line-height:1.9;}
  .hero-actions .btn{width:100%;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-card{padding:18px 20px;}
  .key-box{padding:18px;}
  .form-card{padding:22px;}
  .brand-text{font-size:17px;}
  .footer-bottom nav{gap:12px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F4D3A;
  --c-primary-deep:#092F24;
  --c-primary-soft:#E4EDE7;
  --c-accent:#FF6A2B;
  --c-highlight:#C8F135;
  --c-bg:#F6F4EE;
  --c-surface:#FFFFFF;
  --c-band:#EEF2EC;
  --c-text:#17211D;
  --c-text-sub:#5B6B64;
  --c-line:#DFE5DF;
  --c-success:#1F9D6B;
  --c-warn:#B7791F;
  --c-error:#C93A2E;
  --c-muted:#A9B3AD;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(9,47,36,.06), 0 10px 28px rgba(9,47,36,.08);
  --shadow-2:0 2px 4px rgba(9,47,36,.08), 0 16px 36px rgba(9,47,36,.12);
  --container:1240px;
  --font-sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow Condensed","Oswald","DIN Alternate","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:42px;line-height:1.28;font-weight:800;letter-spacing:-.4px;}
h2{font-size:32px;line-height:1.32;font-weight:700;letter-spacing:-.2px;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{color:var(--c-text-sub);}
:focus-visible{outline:2px solid var(--c-highlight);outline-offset:2px;border-radius:4px;}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--band{background:var(--c-band);}
.section--tight{padding-top:64px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.24);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,106,43,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(15,77,58,.28);}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--c-muted);color:#fff;cursor:not-allowed;transform:none;box-shadow:none;filter:none;}

.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.6;}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-solid{background:var(--c-primary);color:#fff;}
.badge-hot{background:var(--c-highlight);color:#25330B;}
.badge-line{background:#fff;color:var(--c-primary);border:1px solid rgba(15,77,58,.2);}

.sec-head{max-width:760px;margin-bottom:44px;}
.sec-title{display:flex;align-items:center;gap:14px;font-size:32px;line-height:1.32;font-weight:700;letter-spacing:-.2px;}
.sec-title::before{content:"";flex:0 0 auto;width:4px;height:22px;border-radius:2px;background:var(--c-accent);}
.sec-desc{margin-top:14px;font-size:16.5px;line-height:1.85;color:var(--c-text-sub);max-width:640px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head--center .sec-title{justify-content:center;}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.4px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(246,244,238,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 18px rgba(9,47,36,.07);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:74px;transition:height .25s ease;}
.site-header.is-scrolled .nav-wrap{height:66px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;letter-spacing:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-text{font-size:19px;font-weight:800;color:var(--c-primary-deep);letter-spacing:.4px;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:9px;font-size:15px;font-weight:600;color:#33443D;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--c-accent);
}
.nav-side{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:44px;width:160px;
  padding:0 12px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--c-line);color:var(--c-text-sub);
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{width:220px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,77,58,.1);}
.search-input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.search-input::placeholder{color:var(--c-muted);}
.nav-text{font-size:15px;font-weight:600;color:#33443D;padding:8px 4px;transition:color .18s ease;}
.nav-text:hover{color:var(--c-accent);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary);align-items:center;justify-content:center;cursor:pointer;
}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:52px 0 58px;
  background-image:linear-gradient(96deg,rgba(9,47,36,.96) 0%,rgba(9,47,36,.88) 46%,rgba(9,47,36,.56) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:4px;
  background:linear-gradient(90deg,var(--c-accent) 0 18%,var(--c-highlight) 18% 26%,transparent 26%);
  opacity:.9;
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{width:1px;height:12px;background:rgba(255,255,255,.35);display:inline-block;}
.page-hero h1{color:#fff;max-width:820px;}
.page-hero .hero-line{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px;}
.page-hero .hero-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap;}
.page-hero .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.42);}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.2);}
.hero-tags{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap;}
.hero-tags .badge{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2);}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 32px;box-shadow:var(--shadow-1);
  margin-top:-38px;position:relative;z-index:2;
}
.metric .metric-num{font-size:38px;line-height:1.1;color:var(--c-primary);}
.metric .metric-num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--c-text-sub);}
.metric .metric-label{margin-top:8px;font-size:14px;color:var(--c-text-sub);}
.metric .bar{margin-top:12px;height:4px;border-radius:999px;background:var(--c-band);overflow:hidden;}
.metric .bar i{display:block;height:100%;border-radius:999px;background:var(--c-highlight);}

/* ---------- 对比主区 ---------- */
.compare-grid{display:grid;grid-template-columns:320px minmax(0,1fr);gap:44px;align-items:start;}
.compare-aside{position:sticky;top:104px;}
.compare-aside h2{font-size:30px;}
.compare-aside p{margin-top:14px;font-size:16px;line-height:1.85;}
.aside-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.aside-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text-sub);line-height:1.7;}
.aside-list li b{color:var(--c-text);font-weight:700;}
.tick{flex:0 0 auto;width:18px;height:18px;border-radius:5px;background:var(--c-highlight);color:#25330B;font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;}

.table-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.spec-table{width:100%;border-collapse:collapse;min-width:720px;}
.spec-table caption{
  text-align:left;padding:20px 24px 16px;font-size:15px;color:var(--c-text-sub);font-weight:600;
  border-bottom:1px solid var(--c-line);
}
.spec-table thead th{
  position:sticky;top:0;z-index:1;
  background:var(--c-primary-deep);color:#fff;font-size:13.5px;font-weight:600;
  text-align:left;padding:14px 20px;white-space:nowrap;
}
.spec-table tbody td{
  padding:18px 20px;border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-text);
  vertical-align:middle;
}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody tr:hover{background:#FAFBF9;}
.spec-table td.cell-stage{font-weight:700;font-size:16px;}
.spec-table td.cell-stage .badge{margin-top:8px;}
.spec-table .num{color:var(--c-primary);font-size:19px;}
.table-foot{padding:16px 24px;border-top:1px solid var(--c-line);background:#FAFBF9;font-size:13.5px;color:var(--c-text-sub);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}

/* ---------- 分龄课程卡 ---------- */
.course-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;}
.course-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;
}
.course-card::before{content:"";position:absolute;top:0;left:0;width:64px;height:3px;background:var(--c-accent);}
.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,77,58,.3);}
.course-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--c-band);border-radius:0;}
.course-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.course-card:hover .course-card__media img{transform:scale(1.03);}
.course-card__body{padding:22px 24px 26px;}
.course-card__title{font-size:20px;font-weight:700;}
.course-card__sub{margin-top:6px;font-size:13.5px;color:var(--c-text-sub);}
.course-card__specs{margin-top:18px;border-top:1px solid var(--c-line);}
.course-card__specs li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:14px;color:var(--c-text-sub);}
.course-card__specs li:last-child{border-bottom:0;}
.course-card__specs li b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:18px;color:var(--c-primary);font-weight:700;}
.course-card__tags{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- 参数区 ---------- */
.param-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.param-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.param-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.param-item .p-num{font-size:34px;line-height:1.1;color:var(--c-primary);}
.param-item .p-num small{font-size:15px;color:var(--c-text-sub);font-weight:600;margin-left:4px;}
.param-item h3{margin-top:12px;font-size:17px;}
.param-item p{margin-top:8px;font-size:14.5px;line-height:1.8;}
.param-item .bar{margin-top:16px;height:4px;border-radius:999px;background:var(--c-band);overflow:hidden;}
.param-item .bar i{display:block;height:100%;background:var(--c-highlight);border-radius:999px;}

.check-list{margin-top:34px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px 32px;}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--c-text-sub);}
.check-list li b{color:var(--c-text);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;box-shadow:0 1px 2px rgba(9,47,36,.04);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(15,77,58,.3);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 24px;min-height:58px;font-size:16.5px;font-weight:600;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q-bar{flex:0 0 auto;width:4px;height:20px;border-radius:2px;background:var(--c-accent);}
.faq-item summary .q-icon{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--c-primary);transition:transform .25s ease,background-color .2s ease;
}
.faq-item[open] summary .q-icon{transform:rotate(45deg);background:var(--c-primary-soft);}
.faq-item .faq-body{padding:0 24px 22px 46px;font-size:15.5px;line-height:1.85;color:var(--c-text-sub);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--c-primary-deep) 0%,var(--c-primary) 100%);
  color:#fff;padding:76px 0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,53,.18),transparent 68%);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:56px;align-items:start;}
.cta-band h2{color:#fff;font-size:32px;}
.cta-band p{color:rgba(255,255,255,.78);margin-top:14px;font-size:16px;max-width:520px;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.86);}
.cta-points .dot{flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--c-highlight);margin-top:11px;}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:0 24px 48px rgba(0,0,0,.18);
}
.form-card h3{font-size:19px;color:var(--c-text);}
.form-card .form-tip{margin-top:6px;font-size:13.5px;color:var(--c-text-sub);}
.field{margin-top:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-text);margin-bottom:7px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  background:#FAFBF9;border:1px solid var(--c-line);outline:none;
  font-size:15px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field input:focus,.field select:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(15,77,58,.1);}
.field.has-error input,.field.has-error select{border-color:var(--c-error);}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--c-error);}
.field.has-error .err{display:block;}
.form-card .btn{margin-top:22px;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--c-muted);}
.form-success{display:none;text-align:center;padding:26px 8px;}
.form-success .ok{
  width:54px;height:54px;margin:0 auto 16px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;
}
.form-success p{color:var(--c-text-sub);font-size:15px;}
.form-success .reset{display:inline-block;margin-top:14px;color:var(--c-accent);font-weight:600;font-size:14.5px;cursor:pointer;}
.is-loading .btn-label{opacity:.5;}
.spinner{
  width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;display:none;
}
.is-loading .spinner{display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 24px;border-radius:999px;
  background:var(--c-accent);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 14px 30px rgba(255,106,43,.34);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease,filter .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{filter:brightness(.94);transform:translateY(-2px);}
.mobile-cta{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.7);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);}
.footer-brand .brand-text{color:#fff;}
.footer-col p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.9;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease,transform .18s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
.footer-contact b{color:#fff;font-weight:600;margin-right:4px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom nav a{color:rgba(255,255,255,.5);}
.footer-bottom nav a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .compare-grid{grid-template-columns:280px minmax(0,1fr);gap:32px;}
  .cta-grid{grid-template-columns:minmax(0,1fr) 400px;gap:40px;}
}

@media (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:27px;}
  .section{padding:72px 0;}
  .nav-main{
    position:fixed;top:0;right:0;bottom:0;width:290px;max-width:84vw;
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 22px 32px;box-shadow:-18px 0 40px rgba(9,47,36,.16);
    transform:translateX(102%);transition:transform .28s ease;z-index:95;margin-left:0;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-link{padding:13px 14px;font-size:16px;border-radius:10px;}
  .nav-link.is-active{background:var(--c-primary-soft);}
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:inline-flex;z-index:96;}
  .search-box{display:none;}
  .nav-text{display:none;}
  .metrics{grid-template-columns:repeat(2,1fr);gap:26px;padding:26px;margin-top:-30px;}
  .compare-grid{grid-template-columns:1fr;}
  .compare-aside{position:static;}
  .course-cards{grid-template-columns:repeat(2,1fr);}
  .param-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}

@media (max-width:767px){
  body{font-size:16px;line-height:1.9;}
  .container{padding:0 18px;}
  h1{font-size:29px;}
  h2{font-size:23px;}
  .section{padding:48px 0;}
  .sec-head{margin-bottom:28px;}
  .sec-title{font-size:23px;}
  .page-hero{padding:38px 0 46px;}
  .page-hero .hero-line{font-size:15.5px;}
  .metrics{grid-template-columns:1fr;gap:22px;padding:22px;margin-top:-24px;}
  .metric .metric-num{font-size:32px;}
  .table-scroll{overflow:visible;}
  table.spec-table{min-width:0;display:block;}
  .spec-table thead{display:none;}
  .spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%;}
  .spec-table caption{padding:18px 18px 14px;}
  .spec-table tbody tr{
    border:1px solid var(--c-line);border-radius:14px;background:#fff;
    margin:14px;padding:16px 18px;
  }
  .spec-table tbody tr:hover{background:#fff;}
  .spec-table tbody td{
    border-bottom:1px dashed var(--c-line);padding:10px 0;display:flex;
    align-items:baseline;justify-content:space-between;gap:14px;text-align:right;
  }
  .spec-table tbody td:last-child{border-bottom:0;}
  .spec-table tbody td::before{
    content:attr(data-label);flex:0 0 auto;font-size:13px;font-weight:600;color:var(--c-text-sub);text-align:left;
  }
  .spec-table td.cell-stage{display:block;text-align:left;font-size:17px;padding-top:0;}
  .spec-table td.cell-stage::before{display:none;}
  .table-foot{flex-direction:column;gap:8px;}
  .course-cards{grid-template-columns:1fr;}
  .param-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;gap:12px;}
  .faq-item summary{padding:16px 18px;font-size:15.5px;gap:10px;}
  .faq-item .faq-body{padding:0 18px 20px 40px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding-top:52px;padding-bottom:76px;}
  .footer-bottom{padding-bottom:16px;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:60px;padding:0 18px;
    border-radius:0;justify-content:center;
    transform:translateY(100%);box-shadow:0 -8px 24px rgba(9,47,36,.18);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .mobile-cta{display:inline-flex;}
}

@media (max-width:480px){
  .btn{width:100%;height:48px;}
  .btn-sm{width:auto;height:40px;}
  .page-hero .hero-actions{gap:10px;}
  .hero-tags{gap:8px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F4D3A;
  --c-primary-deep:#092F24;
  --c-primary-soft:#E4EDE7;
  --c-accent:#FF6A2B;
  --c-highlight:#C8F135;
  --c-bg:#F6F4EE;
  --c-surface:#FFFFFF;
  --c-band:#EEF2EC;
  --c-text:#17211D;
  --c-text-sub:#5B6B64;
  --c-line:#DFE5DF;
  --c-success:#1F9D6B;
  --c-warn:#B7791F;
  --c-error:#C93A2E;
  --c-disabled:#A9B3AD;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(9,47,36,.06), 0 10px 28px rgba(9,47,36,.08);
  --shadow-2:0 2px 4px rgba(9,47,36,.08), 0 16px 36px rgba(9,47,36,.12);
  --font-sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.34;letter-spacing:.2px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-highlight);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.5px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,244,238,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease,padding .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--c-line);
  box-shadow:0 2px 10px rgba(9,47,36,.06);
}
.site-header.is-scrolled .nav-wrap{padding-top:8px;padding-bottom:8px;}
.nav-wrap{display:flex;align-items:center;gap:22px;padding:14px 32px;transition:padding .25s ease;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(160deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-weight:800;font-size:18px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--c-primary-deep);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;color:var(--c-text-sub);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active{color:var(--c-primary-deep);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:999px;background:var(--c-accent);
}
.nav-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:44px;width:160px;padding:0 12px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  color:var(--c-text-sub);
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{width:220px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,77,58,.10);}
.search-input{width:100%;border:0;background:transparent;outline:none;font-size:14.5px;}
.search-input::placeholder{color:#9AA8A1;}
.nav-text{font-size:15px;font-weight:600;color:var(--c-text-sub);padding:8px 6px;transition:color .2s ease;}
.nav-text:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary-deep);cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-primary-soft);border-color:var(--c-primary);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 18px rgba(255,106,43,.25);}
.btn-primary:hover{background:#F25E1E;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,106,43,.30);}
.btn-primary:active{transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:rgba(15,77,58,.35);}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 4px;height:auto;}
.btn-ghost:hover{color:var(--c-accent);}
.btn-ghost .arrow{transition:transform .2s ease;display:inline-block;}
.btn-ghost:hover .arrow{transform:translateX(6px);}
.btn:disabled{background:var(--c-disabled);color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-primary-deep);
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(9,47,36,.94) 0%,rgba(9,47,36,.80) 46%,rgba(9,47,36,.52) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center right;
  opacity:.95;
}
.page-hero::after{
  content:"";position:absolute;left:-10%;top:-40%;width:60%;height:180%;
  background:repeating-linear-gradient(115deg,rgba(255,106,43,.16) 0 2px,transparent 2px 26px);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:54px 0 58px;max-width:760px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:16px;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.36);}
.page-hero h1{
  font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.3;color:#fff;
  max-width:18em;
}
.page-hero h1 em{font-style:normal;color:var(--c-highlight);}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.84);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.hero-actions .btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.12);color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.18);
}
.chip.hl{background:rgba(200,241,53,.16);color:var(--c-highlight);border-color:rgba(200,241,53,.34);}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section--band{background:var(--c-band);}
.section--dark{background:var(--c-primary-deep);color:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.6vw,33px);font-weight:700;line-height:1.32;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:22px;border-radius:2px;background:var(--c-accent);
}
.section-sub{margin-top:14px;font-size:16.5px;color:var(--c-text-sub);line-height:1.85;max-width:36em;}
.section--dark .section-sub{color:rgba(255,255,255,.74);}
.section--dark .section-title{color:#fff;}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--c-primary),rgba(15,77,58,.16));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:38px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-38px;top:8px;
  width:20px;height:20px;border-radius:50%;
  background:var(--c-accent);border:4px solid var(--c-bg);
  box-shadow:0 0 0 2px rgba(255,106,43,.28);
}
.tl-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;}
.tl-step{
  font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:1px;
  color:var(--c-accent);
}
.tl-title{font-size:21px;font-weight:700;}
.tl-meta{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:700;
}
.tl-body{margin-top:10px;color:var(--c-text-sub);font-size:16px;line-height:1.85;max-width:36em;}
.tl-list{margin-top:12px;display:grid;gap:8px;max-width:38em;}
.tl-list li{position:relative;padding-left:20px;font-size:15.5px;color:var(--c-text);line-height:1.8;}
.tl-list li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  background:var(--c-primary);border-radius:2px;transform:rotate(45deg);
}
.tl-note{
  margin-top:14px;padding:14px 18px;border-left:4px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  font-size:15px;color:var(--c-primary-deep);max-width:38em;
}

/* ---------- checklist band ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.check-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,77,58,.3);}
.check-card h3{font-size:18px;margin-bottom:10px;}
.check-card p{font-size:15px;color:var(--c-text-sub);line-height:1.8;}
.check-list{display:grid;gap:8px;margin-top:14px;}
.check-list li{display:flex;gap:9px;align-items:flex-start;font-size:14.8px;color:var(--c-text);}
.check-list li::before{
  content:"✓";flex:0 0 auto;
  width:20px;height:20px;border-radius:6px;margin-top:2px;
  display:grid;place-items:center;
  background:rgba(200,241,53,.45);color:var(--c-primary-deep);
  font-size:12.5px;font-weight:800;
}

/* ---------- role table ---------- */
.role-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.role-table{width:100%;border-collapse:collapse;min-width:680px;}
table.role-table thead th{
  position:sticky;top:0;z-index:2;
  background:var(--c-primary);color:#fff;
  text-align:left;font-size:14.5px;font-weight:700;
  padding:14px 20px;white-space:nowrap;
}
table.role-table tbody td{
  padding:16px 20px;border-bottom:1px solid var(--c-line);
  font-size:15.5px;color:var(--c-text);vertical-align:top;
}
table.role-table tbody tr:last-child td{border-bottom:0;}
table.role-table tbody tr:hover td{background:#FAFBF9;}
table.role-table td.role-num{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--c-primary);white-space:nowrap;}
table.role-table td.role-name{font-weight:700;white-space:nowrap;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:700;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.tag--new{background:rgba(200,241,53,.5);color:var(--c-primary-deep);}
.tag--dark{background:var(--c-primary-deep);color:#fff;}

/* ---------- figure band ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.split-figure{
  border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--shadow-1);
  background:var(--c-band);aspect-ratio:16/10;
}
.split-figure img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.split-figure:hover img{transform:scale(1.03);}
.figure-caption{margin-top:12px;font-size:13.5px;color:var(--c-text-sub);}
.point-list{display:grid;gap:16px;margin-top:22px;}
.point-list li{display:flex;gap:14px;align-items:flex-start;}
.point-num{
  flex:0 0 auto;font-family:var(--font-num);font-size:20px;font-weight:700;
  color:var(--c-accent);line-height:1.4;min-width:26px;
}
.point-list b{display:block;font-size:16.5px;}
.point-list span{font-size:15px;color:var(--c-text-sub);line-height:1.8;}

/* ---------- faq ---------- */
.faq{max-width:840px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:rgba(15,77,58,.24);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:16px 56px 16px 26px;
  font-size:17px;font-weight:700;line-height:1.6;
  display:flex;align-items:center;min-height:58px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--c-accent);
  transition:height .2s ease;
}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-primary);
  transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"+";transform:translateY(-50%) rotate(45deg);color:var(--c-accent);}
.faq-item[open] summary::before{height:26px;}
.faq-answer{padding:0 26px 22px;font-size:16px;line-height:1.85;color:var(--c-text-sub);}
.faq-answer p{margin-bottom:.9em;}

/* ---------- cta ---------- */
.cta-section{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c-primary-deep) 0%,var(--c-primary) 100%);
  color:#fff;
}
.cta-section::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,241,53,.18),transparent 66%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);color:#fff;line-height:1.34;}
.cta-copy p{margin-top:14px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:32em;}
.cta-facts{display:grid;gap:14px;margin-top:26px;}
.cta-facts li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:rgba(255,255,255,.88);}
.cta-facts li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:.62em;border-radius:2px;
  background:var(--c-highlight);transform:rotate(45deg);
}
.form-card{
  background:#fff;color:var(--c-text);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-2);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-hint{font-size:14px;color:var(--c-text-sub);margin-bottom:20px;}
.form-grid{display:grid;gap:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  background:#FAFBF9;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  font-size:15.5px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,77,58,.12);
}
.field.has-error input,.field.has-error select{border-color:var(--c-error);}
.field-error{display:none;margin-top:6px;font-size:13px;color:var(--c-error);}
.field.has-error .field-error{display:block;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px;}
.form-actions .btn{width:100%;}
.form-note{font-size:13px;color:var(--c-text-sub);}
.form-success{display:none;text-align:center;padding:26px 12px;}
.form-success .ok-mark{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;font-size:26px;font-weight:800;
  background:rgba(200,241,53,.55);color:var(--c-primary-deep);
}
.form-success h3{font-size:19px;margin-bottom:10px;}
.form-success p{font-size:15px;color:var(--c-text-sub);}
.form-card.is-done .form-body{display:none;}
.form-card.is-done .form-success{display:block;}
.spinner{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;display:none;
}
.btn.is-loading .spinner{display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);}
.footer-brand .brand-text{color:#fff;}
.footer-col p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:26em;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact{display:grid;gap:10px;font-size:14.5px;color:rgba(255,255,255,.7);}
.footer-contact b{color:#fff;font-weight:600;margin-right:6px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom a:hover{color:#fff;}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 22px;border-radius:999px;
  background:var(--c-accent);color:#fff;font-weight:700;font-size:15.5px;
  box-shadow:0 12px 26px rgba(255,106,43,.34);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .28s ease,transform .28s ease,background .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:#F25E1E;transform:translateY(-2px);}
.mobile-cta{display:none;}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{padding:0 28px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-wrap{padding:12px 24px;gap:14px;}
  .nav-main{
    position:fixed;top:0;right:0;z-index:120;
    width:min(300px,84vw);height:100vh;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:76px 20px 28px;
    background:#fff;box-shadow:-12px 0 34px rgba(9,47,36,.16);
    transform:translateX(104%);transition:transform .28s ease;
    margin-left:0;overflow-y:auto;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-link{padding:13px 14px;font-size:16px;}
  .nav-link.is-active::after{left:14px;right:auto;width:22px;bottom:8px;}
  .nav-toggle{display:inline-flex;}
  .search-box{width:44px;padding:0 13px;}
  .search-box:focus-within{width:190px;}
  .search-input{display:none;}
  .search-box:focus-within .search-input{display:block;}
  .nav-text{display:none;}
  .section{padding:72px 0;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .hero-inner{padding:38px 0 42px;}
  .hero-lead{font-size:16px;}
  .section{padding:52px 0;}
  .timeline{padding-left:30px;}
  .timeline::before{left:6px;}
  .tl-item::before{left:-30px;width:16px;height:16px;border-width:3px;}
  .check-grid{grid-template-columns:1fr;}
  .cta-grid{gap:26px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{display:none;}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;
    align-items:center;gap:12px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:#fff;border-top:1px solid var(--c-line);
    box-shadow:0 -6px 20px rgba(9,47,36,.10);
    transform:translateY(110%);transition:transform .28s ease;
  }
  .mobile-cta.is-visible{transform:translateY(0);}
  .mobile-cta .btn{flex:1 1 auto;}
  .mobile-cta .icon-btn{
    flex:0 0 auto;width:48px;height:48px;border-radius:var(--radius-btn);
    display:grid;place-items:center;
    border:1px solid var(--c-line);background:var(--c-primary-soft);color:var(--c-primary);
  }
  .section-head{margin-bottom:28px;}
  .tl-title{font-size:19px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .nav-wrap{padding:10px 18px;}
  .brand-text{font-size:17px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .page-hero h1{font-size:27px;}
  .section-title{font-size:23px;}
  .faq-item summary{font-size:16px;padding-right:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}