/* roulang page: index */
:root{
  --brand:#0EA994;
  --brand-dark:#0A7F70;
  --accent:#FF5A2D;
  --spark:#FFC53D;
  --ink:#101418;
  --text:#4A5560;
  --line:#E6E9E6;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --deep:#0E1A18;
  --grad:linear-gradient(120deg,#08302C 0%,#0EA994 58%,#12C2A0 100%);
  --shadow-1:0 2px 8px rgba(16,26,24,.06);
  --shadow-2:0 12px 32px rgba(16,26,24,.10);
  --r-sm:8px;
  --r-md:20px;
  --r-lg:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
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,h2,h3,h4{color:var(--ink);line-height:1.25}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-bar{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(14,169,148,.28);
}
.logo-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.logo-sub{display:block;font-size:11px;font-weight:500;color:var(--text);letter-spacing:.06em;line-height:1.2}

.nav-links{display:none;align-items:center;gap:4px;margin-left:auto}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:9px 15px;border-radius:999px;
  font-size:15px;color:var(--text);transition:color .18s ease,background-color .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-dark);background:rgba(14,169,148,.09)}
.nav-link.active{color:var(--brand-dark);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
  background:var(--brand);border-radius:2px;
}

/* Mega 面板 */
.mega-wrap{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:15px;color:var(--ink);cursor:pointer;
  transition:border-color .18s,color .18s,background-color .18s;
}
.mega-btn:hover,.mega-wrap:focus-within .mega-btn{border-color:var(--brand);color:var(--brand-dark);background:rgba(14,169,148,.06)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:min(760px,88vw);
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow-2);padding:24px;
  display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand-dark);text-transform:uppercase;margin-bottom:12px}
.mega-list li+li{margin-top:8px}
.mega-list a{font-size:14px;color:var(--text);display:block;padding:4px 6px;border-radius:8px;transition:color .18s,background-color .18s}
.mega-list a:hover{color:var(--brand-dark);background:rgba(14,169,148,.08)}
.mega-news a{display:block;padding:9px 10px;border-radius:12px;border:1px solid transparent;transition:border-color .18s,background-color .18s}
.mega-news a:hover{border-color:var(--line);background:var(--bg)}
.mega-news .t{display:block;font-size:14px;color:var(--ink);font-weight:600;line-height:1.5}
.mega-news .d{display:block;font-size:12px;color:#8A9490;margin-top:3px}
.mega-card{
  border-radius:18px;overflow:hidden;border:1px solid var(--line);
  display:flex;flex-direction:column;background:var(--bg);
}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card .cbody{padding:14px}
.mega-card .ct{font-size:14px;font-weight:700;color:var(--ink)}
.mega-card .cd{font-size:12px;color:var(--text);margin-top:4px}
.mega-card .cl{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--brand-dark);font-weight:700;margin-top:9px}

/* 移动端导航 */
.nav-toggle-input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;gap:4px;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle-input:checked ~ .nav-bar .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle-input:checked ~ .nav-bar .nav-toggle span:nth-child(2){opacity:0}
.nav-toggle-input:checked ~ .nav-bar .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(min-width:1024px){.nav-toggle{display:none}}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff}
.nav-toggle-input:checked ~ .mobile-drawer{display:block}
@media(min-width:1024px){.nav-toggle-input:checked ~ .mobile-drawer{display:none}}
.mobile-drawer .m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer .m-link.active{color:var(--brand-dark);font-weight:700}
.mobile-drawer .m-link i{color:var(--brand)}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:999px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(14,169,148,.28)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-dark)}
.btn-ghost:hover{background:rgba(14,169,148,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(255,90,45,.26)}
.btn-accent:hover{background:#E64A20;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);border-color:transparent}
.btn-light:hover{background:#F1F5F3;transform:translateY(-2px)}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-dark);
  border-bottom:2px solid transparent;transition:border-color .18s,transform .18s;
}
.link-more:hover{border-color:var(--brand);transform:translateX(2px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--grad);
  padding:64px 0 96px;
}
@media(min-width:1024px){.hero{padding:88px 0 120px}}
.hero::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:70px;
  background:var(--bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 22px);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;gap:44px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13px;letter-spacing:.06em;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#EAFBF7;
}
.hero h1{
  color:#fff;font-weight:700;letter-spacing:-.01em;line-height:1.15;
  font-size:clamp(30px,4.4vw,54px);margin:20px 0 0;max-width:15em;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);margin-top:20px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.trust-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#EAFBF7;
}
.trust-badge i{color:var(--spark)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.25);box-shadow:0 24px 60px rgba(3,26,23,.4);
}
.float-badge{
  position:absolute;background:#fff;border-radius:16px;padding:12px 16px;
  box-shadow:var(--shadow-2);color:var(--ink);
}
.float-badge .fb-num{font-size:20px;font-weight:800;color:var(--brand-dark);line-height:1.2}
.float-badge .fb-txt{font-size:12px;color:var(--text);margin-top:2px;white-space:nowrap}
.fb-1{left:-8px;top:16%}
.fb-2{right:-6px;bottom:22%}
.fb-3{left:14%;bottom:-14px}
@media(max-width:640px){.fb-1{left:6px;top:8px}.fb-2{right:6px;bottom:18%}.fb-3{display:none}}

/* ---------- 板块基础 ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:36px}
@media(min-width:1024px){.section-head{margin-bottom:52px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.12em;color:var(--brand-dark);text-transform:uppercase;
}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:3px;background:var(--grad)}
.section-title{font-size:clamp(25px,2.8vw,36px);font-weight:700;margin-top:14px;letter-spacing:-.01em}
.section-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text);max-width:44em}
.rule-meter{display:flex;gap:6px;margin-top:20px}
.rule-meter span{display:block;height:4px;border-radius:4px;background:var(--line)}
.rule-meter span:nth-child(1){width:44px;background:var(--brand)}
.rule-meter span:nth-child(2){width:22px;background:var(--spark)}
.rule-meter span:nth-child(3){width:10px;background:var(--accent)}

/* ---------- 指标看板 ---------- */
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:-72px;position:relative;z-index:5}
@media(min-width:768px){.metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
@media(min-width:1280px){.metrics{grid-template-columns:repeat(6,minmax(0,1fr))}}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 18px 18px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.metric-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.metric-num{font-size:clamp(24px,2.4vw,32px);font-weight:800;color:var(--ink);line-height:1.1}
.metric-num .unit{font-size:14px;font-weight:700;color:var(--brand-dark);margin-left:2px}
.metric-name{font-size:14px;font-weight:700;color:var(--ink);margin-top:10px}
.metric-note{font-size:12.5px;line-height:1.6;color:#8A9490;margin-top:4px}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.matrix{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.matrix{grid-template-columns:repeat(4,minmax(0,1fr))}}
.matrix-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,169,148,.35)}
.matrix-card .ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(14,169,148,.10);color:var(--brand-dark);font-size:19px;margin-bottom:16px;
}
.matrix-card h3{font-size:20px;font-weight:700}
.matrix-card p{font-size:14.5px;line-height:1.75;margin-top:10px;color:var(--text)}
.matrix-card .link-more{margin-top:auto;padding-top:18px;font-size:14px}
.matrix-feature{
  grid-column:1/-1;display:grid;gap:0;padding:0;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
@media(min-width:768px){.matrix-feature{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.matrix-feature{grid-column:span 2;grid-template-columns:1.05fr .95fr}}
.matrix-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.matrix-feature .mf-img{position:relative;min-height:230px}
.matrix-feature .mf-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.matrix-feature .mf-body{padding:26px 26px 28px;display:flex;flex-direction:column}
.matrix-feature h3{font-size:22px;font-weight:700;margin-top:6px}
.matrix-feature p{font-size:15px;line-height:1.8;margin-top:12px}
.mf-points{margin-top:18px;display:grid;gap:9px}
.mf-points li{display:flex;gap:9px;font-size:14px;color:var(--text);line-height:1.6}
.mf-points i{color:var(--brand);margin-top:5px;font-size:12px}
.matrix-feature .link-more{margin-top:22px}

/* ---------- 结果对比 ---------- */
.compare{display:grid;gap:18px}
.compare-row{
  display:grid;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--shadow-1);
}
@media(min-width:768px){.compare-row{grid-template-columns:180px 1fr 1fr;align-items:center;gap:22px}}
.compare-label{font-size:15px;font-weight:700;color:var(--ink)}
.compare-label span{display:block;font-size:12.5px;font-weight:500;color:#8A9490;margin-top:3px}
.bar-wrap{display:flex;align-items:center;gap:12px}
.bar-track{flex:1;height:12px;border-radius:999px;background:#EFF3F1;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;display:block}
.bar-before{background:#C3CCC8}
.bar-after{background:var(--grad)}
.bar-value{font-size:14px;font-weight:800;color:var(--ink);min-width:56px;text-align:right}
.bar-tag{font-size:12px;letter-spacing:.04em;color:#8A9490;min-width:52px}
.compare-before .bar-value{color:#8A9490}
.compare-after .bar-value{color:var(--brand-dark)}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:36px}
.news-feature{
  display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);margin-bottom:22px;
  transition:transform .18s ease,box-shadow .18s ease;
}
@media(min-width:768px){.news-feature{grid-template-columns:1.1fr 1fr}}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-feature .nf-img{position:relative;min-height:240px;overflow:hidden}
.news-feature .nf-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-feature:hover .nf-img img{transform:scale(1.03)}
.news-feature .nf-body{padding:26px 28px;display:flex;flex-direction:column}
.news-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-card .nc-img{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDF1EF}
.news-card .nc-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .nc-img img{transform:scale(1.03)}
.news-card .nc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.tag-chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(14,169,148,.12);color:var(--brand-dark);
}
.tag-chip.warm{background:rgba(255,197,61,.24);color:#8A6100}
.news-card h3{font-size:18px;font-weight:700;line-height:1.5;margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s;
}
.news-card:hover h3{color:var(--brand-dark)}
.news-feature h3{font-size:22px;font-weight:700;line-height:1.45;margin-top:14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s;
}
.news-feature:hover h3{color:var(--brand-dark)}
.news-card p,.news-feature p{
  font-size:14px;line-height:1.75;color:var(--text);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:#8A9490;margin-top:auto;padding-top:16px;
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#C3CCC8}
.news-card .readmore{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand-dark);margin-top:12px}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:52px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--brand)}
.empty-state p{font-size:15px;color:var(--text);margin-top:14px}
.empty-state .link-more{margin-top:16px}

/* ---------- 评价 ---------- */
.voice-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:768px){.voice-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.voice-stars{color:var(--spark);font-size:13px;letter-spacing:2px}
.voice-card blockquote{font-size:15px;line-height:1.85;color:var(--ink);margin:14px 0 0}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:20px}
.voice-avatar{
  width:42px;height:42px;border-radius:50%;background:rgba(14,169,148,.12);
  color:var(--brand-dark);display:grid;place-items:center;font-weight:800;font-size:15px;
}
.voice-who .n{font-size:14px;font-weight:700;color:var(--ink)}
.voice-who .r{font-size:12.5px;color:#8A9490}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.faq-item[open]{border-color:rgba(14,169,148,.4);box-shadow:var(--shadow-1);background:#F8FCFB}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 24px;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand);transition:transform .2s ease;
  line-height:1;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-body{
  margin:0 24px 0 24px;padding:0 0 22px 18px;border-left:3px solid var(--brand);
  font-size:15px;line-height:1.8;color:var(--text);
}

/* ---------- 转化表单 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--deep);color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.20;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:36px;padding:36px 24px}
@media(min-width:768px){.cta-inner{padding:48px 44px}}
@media(min-width:1024px){.cta-inner{grid-template-columns:1fr 1.05fr;gap:56px;padding:56px 56px}}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,34px);font-weight:700;letter-spacing:-.01em}
.cta-band .cta-desc{color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.85;margin-top:14px}
.cta-points{margin-top:22px;display:grid;gap:11px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.88)}
.cta-points i{color:var(--spark);margin-top:5px;font-size:12px}
.form-card{
  background:#fff;border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:0 24px 60px rgba(0,0,0,.28);color:var(--text);
}
@media(min-width:768px){.form-card{padding:30px 30px 32px}}
.form-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr}.span-2{grid-column:1/-1}}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field .req{color:var(--accent)}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);background:#FBFCFB;font-size:15px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(14,169,148,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B3AF}
.form-hint{font-size:12.5px;color:#8A9490;margin-top:12px;line-height:1.7}
.form-ok{
  margin-top:16px;padding:12px 16px;border-radius:12px;font-size:14px;
  background:rgba(14,169,148,.12);color:var(--brand-dark);border:1px solid rgba(14,169,148,.3);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#C9D3CE;position:relative;padding-top:64px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad)}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;padding-bottom:44px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.site-footer p{font-size:14px;line-height:1.85;color:#C9D3CE}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .logo-text{color:#fff;font-size:17px}
.footer-brand .logo-mark{background:var(--grad)}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:14px;color:#C9D3CE;transition:color .18s ease,padding-left .18s ease;display:inline-block}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;gap:9px;font-size:14px;margin-bottom:10px;align-items:flex-start;line-height:1.7}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px}
.footer-cta{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:700;
  background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.22);
  transition:background-color .18s ease,transform .18s ease;
}
.footer-cta:hover{background:rgba(14,169,148,.32);transform:translateY(-2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:#93A19B;
}
.footer-bottom a{color:#93A19B}
.footer-bottom a:hover{color:#fff}

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

/* roulang page: article */
:root{
  --brand:#0EA994;
  --brand-dark:#0A7F70;
  --accent:#FF5A2D;
  --spark:#FFC53D;
  --ink:#101418;
  --text:#4A5560;
  --line:#E6E9E6;
  --bg:#F5F7F5;
  --deep:#0E1A18;
  --card:#FFFFFF;
  --grad:linear-gradient(120deg,#08302C 0%,#0EA994 58%,#12C2A0 100%);
  --shadow-1:0 2px 8px rgba(16,26,24,.06);
  --shadow-2:0 12px 32px rgba(16,26,24,.10);
  --r-sm:8px;--r-md:20px;--r-lg:28px;--r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--text);
  font-size:16px;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}
ul,ol{margin:0;padding:0}
li{list-style:none}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{padding:0 32px}}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-1)}
.nav-bar{display:flex;align-items:center;gap:24px;min-height:76px;position:relative}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{width:42px;height:42px;border-radius:13px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.06em}
.logo-text{display:block;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.2}
.logo-sub{display:block;font-size:12px;color:#7b8781;letter-spacing:.02em;line-height:1.6}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{display:inline-flex;align-items:center;padding:10px 15px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:#38423d;transition:background .18s ease-out,color .18s ease-out}
.nav-link:hover{color:var(--brand-dark);background:rgba(14,169,148,.09)}
.nav-link.active{color:var(--brand-dark);background:rgba(14,169,148,.13);box-shadow:inset 0 -2px 0 var(--brand)}
.nav-toggle{display:none}
.nav-toggle-label{display:none;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:background .18s ease-out}
.nav-toggle-label:hover{background:rgba(14,169,148,.08)}
.mega-wrap{position:relative}
.mega-btn{display:inline-flex;align-items:center;gap:7px;padding:10px 15px;border-radius:var(--r-pill);border:0;background:transparent;font-size:15px;font-weight:600;color:#38423d;cursor:pointer;transition:background .18s ease-out,color .18s ease-out}
.mega-btn:hover,.mega-wrap:focus-within .mega-btn{color:var(--brand-dark);background:rgba(14,169,148,.09)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:min(780px,88vw);
  background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-2);
  padding:24px;display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .15s ease-out,transform .15s ease-out,visibility .15s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:#8b958f;margin-bottom:10px}
.mega-list li{margin-bottom:6px}
.mega-list a{font-size:14px;color:#38423d;font-weight:600;transition:color .18s ease-out}
.mega-list a:hover{color:var(--brand-dark)}
.mega-news a{display:block;padding:10px 12px;border-radius:14px;background:var(--bg);margin-bottom:8px;transition:background .18s ease-out,transform .18s ease-out}
.mega-news a:hover{background:rgba(14,169,148,.1);transform:translateX(2px)}
.mega-news .t{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-news .d{display:block;font-size:12px;color:#8b958f;margin-top:2px}
.mega-card{display:block;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#fff;transition:box-shadow .18s ease-out,transform .18s ease-out}
.mega-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card .c-body{padding:12px 14px}
.mega-card .c-body strong{display:block;font-size:14px;color:var(--ink)}
.mega-card .c-body span{display:block;font-size:12px;color:#8b958f;margin-top:2px}
.mega-card .c-cta{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--brand-dark);padding:0 14px 14px}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease-out,background .18s ease-out,box-shadow .18s ease-out,color .18s ease-out}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,169,148,.28)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,169,148,.34)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-dark)}
.btn-ghost:hover{background:rgba(14,169,148,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700;letter-spacing:.02em}
.badge-brand{background:rgba(14,169,148,.12);color:var(--brand-dark)}
.badge-spark{background:var(--spark);color:#3a2a00}
.badge-solid{background:#fff;color:var(--brand-dark);border:1px solid rgba(14,169,148,.4)}
.tag{display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:13px;font-weight:600;color:#3d4844;transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out}
.tag:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}

/* ---------- article head ---------- */
.article-head{position:relative;background:var(--grad);color:#fff;padding:30px 0 92px;overflow:hidden}
.article-head::after{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);pointer-events:none}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);position:relative;z-index:2}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumb .sep{opacity:.5}
.crumb .now{color:#fff;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head h1{position:relative;z-index:2;margin-top:22px;font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.25;letter-spacing:-.01em;color:#fff;max-width:24ch}
.head-meta{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.82)}
.head-meta .divider{opacity:.45}
.head-rule{position:relative;z-index:2;width:56px;height:5px;border-radius:999px;background:var(--spark);margin-top:20px}

/* ---------- article shell ---------- */
.article-shell{margin-top:-56px;position:relative;z-index:5}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-2);padding:34px 22px}
@media(min-width:768px){.article-card{padding:48px 56px}}
.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.92;color:#2f3a36}
.article-body h2{font-size:30px;line-height:1.32;font-weight:800;color:var(--ink);margin:44px 0 16px;padding-left:16px;border-left:4px solid var(--brand)}
.article-body h3{font-size:21px;line-height:1.4;font-weight:700;color:var(--ink);margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:22px 0 10px}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:22px}
.article-body ul li{list-style:square;margin:.42em 0}
.article-body ol li{list-style:decimal;margin:.42em 0}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:rgba(14,169,148,.09);border-left:4px solid var(--brand);border-radius:0 14px 14px 0;color:#21403a;font-size:16.5px}
.article-body img{border-radius:16px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:12.5px;color:#8b958f;text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th{background:#F1F4F1;font-weight:700;color:var(--ink)}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body pre{background:#101418;color:#E7F3EF;padding:18px 20px;border-radius:12px;overflow:auto;font-size:14px;line-height:1.7;margin:22px 0}
.article-body code{background:rgba(14,169,148,.1);color:var(--brand-dark);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body a{color:var(--brand-dark);font-weight:600;border-bottom:2px solid rgba(14,169,148,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.empty-state{text-align:center;padding:48px 16px}
.empty-state i{font-size:38px;color:var(--brand);display:block;margin-bottom:14px}
.empty-state p{font-size:17px;color:var(--ink);font-weight:700;margin-bottom:6px}
.empty-state span{display:block;font-size:14px;color:#8b958f;margin-bottom:20px}

/* ---------- blocks ---------- */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-dark)}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:999px;background:var(--grad)}
.section-head h2{font-size:clamp(24px,2.9vw,34px);line-height:1.28;font-weight:800;color:var(--ink);margin-top:12px;letter-spacing:-.01em}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--text)}
.meta{font-size:13px;color:#8b958f;letter-spacing:.02em}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.nav-pair{display:grid;grid-template-columns:1fr;gap:18px;margin-top:44px}
@media(min-width:768px){.nav-pair{grid-template-columns:1fr 1fr}}
.pair-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--shadow-1);transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out}
.pair-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(14,169,148,.45)}
.pair-card .k{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand-dark)}
.pair-card .t{display:block;font-size:17.5px;font-weight:700;color:var(--ink);margin-top:8px;line-height:1.5}
.pair-card .m{display:block;font-size:13px;color:#8b958f;margin-top:8px}
.pair-card.next{text-align:right}

.related-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:640px){.related-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .18s ease-out,transform .18s ease-out}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.card-media{position:relative;overflow:hidden;background:#EAF0ED}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:14px;top:14px}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18.5px;line-height:1.5;font-weight:700;color:var(--ink)}
.card-body p{font-size:14px;line-height:1.7;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#8b958f}
.card-foot .more{font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}

/* ---------- stats strip ---------- */
.stat-band{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:768px){.stat-band{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat .v{font-size:30px;font-weight:800;color:var(--ink);line-height:1.15;letter-spacing:-.02em}
.stat .v small{font-size:14px;font-weight:700;color:var(--brand-dark);margin-left:4px}
.stat .k{font-size:14px;font-weight:700;color:#38423d;margin-top:8px}
.stat .d{font-size:12.5px;color:#8b958f;margin-top:4px}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:12px;box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .18s ease-out}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;padding:18px 22px;font-size:17px;font-weight:700;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";margin-left:auto;font-size:22px;line-height:1;color:var(--brand);transition:transform .2s ease-out}
.faq-item[open]{border-left:3px solid var(--brand);border-color:rgba(14,169,148,.35)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{background:rgba(14,169,148,.05)}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text)}

/* ---------- lead ---------- */
.lead-section{background:var(--deep);color:#C9D3CE;border-top:3px solid;border-image:var(--grad) 1;padding:64px 0}
.lead-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:1024px){.lead-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:start}}
.lead-section h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;color:#fff;line-height:1.3;letter-spacing:-.01em}
.lead-section .lead-desc{margin-top:14px;font-size:15.5px;color:#AEBAB4;max-width:44ch}
.lead-points{margin-top:22px;display:grid;gap:12px}
.lead-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#C9D3CE}
.lead-points i{color:var(--spark);margin-top:5px}
.lead-form{background:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-2);display:grid;gap:16px}
@media(min-width:768px){.lead-form{padding:30px}}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:15px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,169,148,.15);outline:none}
.form-ok{background:rgba(14,169,148,.12);color:var(--brand-dark);border-radius:12px;padding:12px 14px;font-size:14px;font-weight:600}
.form-note{font-size:12.5px;color:#8b958f}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#C9D3CE;border-top:3px solid;border-image:var(--grad) 1;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .logo-mark{width:38px;height:38px;font-size:14px}
.footer-brand .logo-text{color:#fff;font-size:17px;font-weight:800}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.8;color:#AEBAB4}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#C9D3CE;margin-bottom:8px}
.footer-contact i{color:var(--brand);margin-top:5px}
.footer-links li{margin-bottom:9px}
.footer-links a{font-size:14px;color:#C9D3CE;transition:color .18s ease-out,padding-left .18s ease-out}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-cta{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:10px 22px;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;font-weight:700;transition:background .18s ease-out,transform .18s ease-out}
.footer-cta:hover{background:var(--brand-dark);transform:translateY(-2px)}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#93A09A}

/* ---------- responsive nav ---------- */
@media(max-width:1023px){
  .nav-toggle-label{display:inline-flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;margin-left:0;
    background:#fff;border-radius:0 0 22px 22px;box-shadow:var(--shadow-2);
    padding:14px;max-height:calc(100vh - 96px);overflow:auto;
  }
  .nav-toggle:checked ~ .nav-links{display:flex}
  .nav-link{min-height:44px;border-radius:14px;justify-content:flex-start}
  .mega-wrap{width:100%}
  .mega-btn{width:100%;min-height:44px;justify-content:flex-start;border-radius:14px}
  .mega-panel{position:static;opacity:1;visibility:visible;transform:none;width:auto;box-shadow:none;border:0;border-radius:0;padding:6px 4px 10px;grid-template-columns:1fr;gap:16px;background:transparent}
}
@media(max-width:639px){
  .stat .v{font-size:24px}
  .article-body table,.article-body thead,.article-body tbody,.article-body tr,.article-body th,.article-body td{display:block;width:100%}
  .article-body thead{display:none}
  .article-body tr{border:1px solid var(--line);border-radius:14px;padding:8px;margin-bottom:12px}
  .article-body th,.article-body td{border:0;padding:6px 10px}
  .pair-card.next{text-align:left}
}

/* roulang page: category1 */
:root{
  --brand:#0EA994;
  --brand-dark:#0A7F70;
  --accent:#FF5A2D;
  --spark:#FFC53D;
  --ink:#101418;
  --text:#4A5560;
  --line:#E6E9E6;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --deep:#0E1A18;
  --grad:linear-gradient(120deg,#08302C 0%,#0EA994 58%,#12C2A0 100%);
  --grad-bar:linear-gradient(90deg,#0EA994 0%,#12C2A0 60%,#FFC53D 100%);
  --r-sm:8px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(16,26,24,.06);
  --shadow-2:0 12px 32px rgba(16,26,24,.10);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-dark);text-decoration:none}
a:hover{color:var(--brand)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
.num{font-variant-numeric:tabular-nums}
*:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header::before{content:"";display:block;height:3px;background:var(--grad)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;position:relative}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:44px;height:44px;border-radius:14px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;
  letter-spacing:.02em;box-shadow:0 6px 16px rgba(10,127,112,.24);
}
.logo-text{display:block;font-size:17px;font-weight:700;color:var(--ink);line-height:1.3;letter-spacing:-.01em}
.logo-sub{display:block;font-size:11.5px;color:var(--text);letter-spacing:.04em;line-height:1.5}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text);transition:color .18s ease-out,background .18s ease-out;
}
.nav-link:hover{color:var(--brand-dark);background:rgba(14,169,148,.08)}
.nav-link.active{color:var(--brand-dark);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--brand);
}
.mega-wrap{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(14,169,148,.08);border:1px solid rgba(14,169,148,.22);
  font-size:15px;color:var(--brand-dark);cursor:pointer;transition:all .18s ease-out;
}
.mega-btn:hover{background:rgba(14,169,148,.16);transform:translateY(-1px)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);width:740px;
  display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-2);
  padding:24px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .15s ease-out,transform .15s ease-out,visibility .15s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:#8A968F;margin:0 0 12px}
.mega-list li+li{border-top:1px dashed var(--line)}
.mega-list a{display:block;padding:9px 0;font-size:14.5px;color:var(--text);transition:color .16s,padding-left .16s}
.mega-list a:hover{color:var(--brand-dark);padding-left:6px}
.mega-news a{display:block;padding:10px 0;border-bottom:1px dashed var(--line)}
.mega-news a:last-child{border-bottom:0}
.mega-news .t{display:block;font-size:14px;color:var(--ink);line-height:1.6;font-weight:600}
.mega-news .d{display:block;font-size:12.5px;color:#8A968F;margin-top:2px}
.mega-card{display:block;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:transform .18s ease-out,box-shadow .18s ease-out}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-t{display:block;padding:12px 14px 2px;font-size:14px;font-weight:700;color:var(--ink)}
.mega-card-d{display:block;padding:0 14px 14px;font-size:12.5px;color:#8A968F}
.nav-check{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:all .2s ease-out}
.nav-check:checked + .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-check:checked + .nav-toggle span:nth-child(2){opacity:0}
.nav-check:checked + .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .18s ease-out;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(10,127,112,.22)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(10,127,112,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(14,169,148,.08);color:var(--brand-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:var(--spark);color:var(--ink);transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- 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;background:rgba(14,169,148,.10);color:var(--brand-dark);
  letter-spacing:.02em;white-space:nowrap;
}
.badge-spark{background:var(--spark);color:var(--ink)}
.badge-accent{background:rgba(255,90,45,.12);color:var(--accent)}
.badge-lg{font-size:14px;padding:7px 16px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;background:var(--grad);
  padding:28px 0 78px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:60px;
  background:var(--bg);clip-path:polygon(0 100%,100% 0,100% 100%);
}
.hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);letter-spacing:.02em}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{opacity:.5}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;margin-top:26px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  font-size:13px;font-weight:600;letter-spacing:.08em;color:#fff;
}
.hero h1{
  font-size:clamp(30px,4vw,50px);line-height:1.15;font-weight:700;letter-spacing:-.01em;
  color:#fff;margin:18px 0 16px;max-width:14em;
}
.hero-lead{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:38em;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.85)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points i{color:var(--spark);font-size:12px}
.hero-side{position:relative}
.hero-side img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.2);box-shadow:0 26px 60px rgba(3,20,18,.35);
}
.float-badge{
  position:absolute;display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--ink);border-radius:var(--r-pill);
  padding:10px 18px;font-size:12.5px;font-weight:600;box-shadow:var(--shadow-2);
  white-space:nowrap;
}
.float-badge strong{font-size:17px;color:var(--brand-dark);font-variant-numeric:tabular-nums}
.fb-1{left:-14px;top:16%}
.fb-2{right:-10px;bottom:12%;background:var(--spark)}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:780px;margin-bottom:38px}
.sec-kicker{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand-dark)}
.sec-head h2{
  font-size:clamp(24px,2.7vw,34px);line-height:1.28;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);margin:10px 0 12px;
}
.sec-head p{font-size:15.5px;line-height:1.85;color:var(--text);margin:0}
.sec-rule{width:52px;height:4px;border-radius:4px;background:var(--grad-bar);margin-top:16px}

/* ---------- 分类一：侧栏 + 卡片网格 ---------- */
.cat1-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:34px;align-items:start}
.side-nav{position:sticky;top:104px;align-self:start;display:flex;flex-direction:column;gap:18px}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-1)}
.side-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:#8A968F;margin:0 0 10px}
.side-list a{
  display:block;padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--text);
  border-left:3px solid transparent;transition:all .16s ease-out;
}
.side-list a:hover{background:rgba(14,169,148,.07);color:var(--brand-dark);padding-left:16px}
.side-list a.is-active{border-left-color:var(--brand);background:rgba(14,169,148,.09);color:var(--brand-dark);font-weight:600}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1)}
.side-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.side-card-body{padding:18px 20px 20px}
.side-card-body h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.side-card-body p{font-size:13.5px;line-height:1.75;margin:0 0 14px}
.side-card-body .btn{padding:10px 20px;font-size:14px}
.cat-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  display:flex;flex-direction:column;scroll-margin-top:110px;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,169,148,.35)}
.card-media{display:block;aspect-ratio:16/9;overflow:hidden;background:#EDF1EE}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;line-height:1.45;color:var(--ink);font-weight:700}
.card-body p{font-size:14.5px;line-height:1.78;color:var(--text);margin:0}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:8px}
.card-link{font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.card-link i{transition:transform .18s ease-out}
.card:hover .card-link i{transform:translateX(4px)}

/* ---------- 指标看板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 24px 24px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.stat-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-bar)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-num{font-size:40px;line-height:1.05;font-weight:700;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat-num small{font-size:15px;font-weight:600;color:var(--brand-dark);margin-left:5px;letter-spacing:0}
.stat-name{font-size:15px;font-weight:700;color:var(--ink);margin-top:14px}
.stat-desc{font-size:13.5px;line-height:1.7;color:var(--text);margin-top:6px}

/* ---------- 流程 ---------- */
.track{height:4px;border-radius:4px;background:linear-gradient(90deg,var(--brand) 0%,#12C2A0 50%,var(--spark) 100%);margin-bottom:32px}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-no{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand-dark)}
.step h3{font-size:18px;color:var(--ink);margin:10px 0 8px;font-weight:700}
.step p{font-size:14px;line-height:1.78;color:var(--text);margin:0}

/* ---------- 结果对比 ---------- */
.compare-list{display:grid;gap:16px}
.compare-row{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--shadow-1)}
.compare-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.compare-head h3{font-size:17px;color:var(--ink);font-weight:700}
.compare-tags{display:flex;gap:8px}
.bar-row{display:grid;grid-template-columns:86px minmax(0,1fr) 96px;align-items:center;gap:14px}
.bar-row + .bar-row{margin-top:10px}
.bar-label{font-size:13px;color:#8A968F;letter-spacing:.02em}
.bar{height:12px;border-radius:var(--r-pill);background:#EEF1EF;overflow:hidden}
.bar > span{display:block;height:100%;border-radius:var(--r-pill)}
.bar-before > span{background:linear-gradient(90deg,#FF8A63,#FF5A2D)}
.bar-after > span{background:linear-gradient(90deg,#0EA994,#12C2A0)}
.bar-val{font-size:13.5px;font-weight:700;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums}
.w-96{width:96%}.w-88{width:88%}.w-80{width:80%}.w-72{width:72%}
.w-22{width:22%}.w-16{width:16%}.w-14{width:14%}.w-12{width:12%}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .18s ease-out,border-color .18s ease-out;
}
.faq-item:hover{box-shadow:var(--shadow-2)}
.faq-item[open]{border-color:rgba(14,169,148,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 62px 20px 22px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;background:rgba(14,169,148,.10);color:var(--brand-dark);
  display:grid;place-items:center;font-size:18px;font-weight:600;transition:transform .2s ease-out,background .2s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);background:var(--brand);color:#fff}
.faq-item[open] summary{border-left:3px solid var(--brand);background:rgba(14,169,148,.045);border-radius:var(--r-md) var(--r-md) 0 0}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text)}

/* ---------- 转化表单 ---------- */
.lead-band{
  background:var(--deep);border-radius:var(--r-lg);padding:40px 28px;
  display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start;
  position:relative;overflow:hidden;
}
.lead-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-bar);
}
.lead-copy h2{font-size:clamp(23px,2.5vw,32px);line-height:1.3;color:#fff;font-weight:700;letter-spacing:-.01em}
.lead-copy p{font-size:15px;line-height:1.85;color:#C9D3CE;margin-top:14px}
.lead-points{margin-top:22px;display:grid;gap:10px}
.lead-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#DDE5E1}
.lead-points i{color:var(--spark);margin-top:6px;font-size:12px}
.lead-form{background:#fff;border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow-2)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field .req{color:var(--accent)}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:12px;border:1px solid var(--line);
  padding:0 14px;font-size:15px;background:#fff;transition:border-color .16s,box-shadow .16s;
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text) 50%),linear-gradient(135deg,var(--text) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,169,148,.14)}
.field input.err,.field textarea.err{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,90,45,.12)}
.form-note{font-size:12.5px;color:#8A968F;line-height:1.7;margin-top:12px}
.form-alert{display:block;font-size:13.5px;border-radius:12px;padding:10px 14px;margin-bottom:14px}
.form-alert.ok{background:rgba(14,169,148,.12);color:var(--brand-dark)}
.form-alert.err{background:rgba(255,90,45,.10);color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#C9D3CE;padding:0 0 28px;position:relative}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad-bar);margin-bottom:52px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo-mark{width:40px;height:40px;border-radius:13px;font-size:14px}
.footer-brand .logo-text{color:#fff;font-size:17px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.85;color:#C9D3CE;margin:0}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;letter-spacing:.02em}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#C9D3CE;padding:4px 0}
.footer-contact i{color:var(--brand);width:16px;text-align:center;font-size:13px}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:14px;color:#C9D3CE;transition:color .16s,padding-left .16s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-cta{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:11px 24px;
  border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  transition:all .18s ease-out;
}
.footer-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:13px;color:#8FA09A;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .mega-panel{width:660px;grid-template-columns:1fr 1fr}
  .mega-panel > div:nth-child(3){grid-column:span 2}
  .stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;
    gap:0;background:#fff;padding:12px 16px 20px;border-top:1px solid var(--line);
    box-shadow:var(--shadow-2);max-height:78vh;overflow-y:auto;
  }
  .nav-check:checked ~ .nav-links{display:flex}
  .nav-link{padding:14px 10px;min-height:44px;border-radius:12px;border-bottom:1px solid var(--line)}
  .nav-link.active::after{left:10px;right:auto;width:56px}
  .mega-wrap{margin-top:8px}
  .mega-btn{width:100%;justify-content:space-between;padding:14px 12px;min-height:44px}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:0;border-top:1px solid var(--line);border-radius:0;padding:8px 4px 0;
    grid-template-columns:1fr;gap:20px;
  }
  .mega-panel > div:nth-child(3){grid-column:auto}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{max-width:none}
  .float-badge{position:static;margin-top:14px;margin-right:10px}
  .cat1-layout{grid-template-columns:1fr;gap:26px}
  .side-nav{position:static}
  .lead-band{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .cat-cards{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .stat-num{font-size:30px}
  .steps{grid-template-columns:1fr}
  .bar-row{grid-template-columns:70px minmax(0,1fr) 78px;gap:10px}
  .bar-label,.bar-val{font-size:12px}
  .hero{padding:20px 0 62px}
  .hero-actions .btn{width:100%}
  .faq-item summary{font-size:16px;padding:18px 56px 18px 18px}
  .lead-band{padding:30px 18px;border-radius:20px}
  .lead-form{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519px){
  .logo-sub{display:none}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-card{padding:22px 18px 18px}
  .compare-row{padding:18px}
}

/* roulang page: category2 */
:root{
  --brand:#0EA994;
  --brand-dark:#0A7F70;
  --accent:#FF5A2D;
  --spark:#FFC53D;
  --ink:#101418;
  --text:#4A5560;
  --line:#E6E9E6;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --deep:#0E1A18;
  --grad:linear-gradient(120deg,#08302C 0%,#0EA994 58%,#12C2A0 100%);
  --shadow-1:0 2px 8px rgba(16,26,24,.06);
  --shadow-2:0 12px 32px rgba(16,26,24,.10);
  --r-s:8px;
  --r-m:20px;
  --r-l:28px;
  --r-p:999px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  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{color:var(--ink);margin:0;font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{padding:0 32px;}}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:74px;
}
.logo{display:flex;align-items:center;gap:12px;}
.logo-mark{
  width:44px;height:44px;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--grad);
  color:#fff;font-size:16px;font-weight:800;letter-spacing:.02em;
  box-shadow:var(--shadow-1);
}
.logo-text{display:block;font-size:19px;font-weight:800;color:var(--ink);line-height:1.2;}
.logo-sub{display:block;font-size:12px;color:var(--text);letter-spacing:.04em;line-height:1.4;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--r-p);
  font-size:15px;font-weight:600;color:var(--ink);
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(14,169,148,.07);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand);
}
.mega-wrap{position:relative;}
.mega-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:var(--r-p);
  border:1.5px solid var(--brand);background:#fff;color:var(--brand);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.mega-btn:hover{background:rgba(14,169,148,.08);transform:translateY(-2px);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:720px;padding:24px;
  background:#fff;border-radius:24px;box-shadow:var(--shadow-2);
  border:1px solid var(--line);
  display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.06em;margin-bottom:12px;}
.mega-list li{margin-bottom:9px;}
.mega-list a{font-size:14px;color:var(--text);transition:color .16s ease,padding-left .16s ease;}
.mega-list a:hover{color:var(--brand);padding-left:4px;}
.mega-news a{display:block;padding:10px 12px;border-radius:12px;transition:background .16s ease;margin-bottom:6px;}
.mega-news a:hover{background:var(--bg);}
.mega-news .t{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.mega-news .d{display:block;font-size:12px;color:var(--text);margin-top:2px;}
.mega-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-1);}
.mega-card img{width:100%;height:104px;object-fit:cover;}
.mega-card .c{padding:12px 14px;}
.mega-card .c strong{display:block;font-size:14px;color:var(--ink);}
.mega-card .c span{font-size:12px;color:var(--text);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .logo-sub{display:none;}
}
/* 移动端展开面板（纯 CSS 复选框控制） */
#navSwitch{display:none;}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:8px 0 18px;
}
.mobile-panel a{
  display:flex;align-items:center;min-height:44px;
  padding:0 4px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.active{color:var(--brand);}
.mobile-panel a:last-child{border-bottom:0;}
@media (max-width:1023px){
  #navSwitch:checked ~ .mobile-panel{display:block;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 28px;border-radius:var(--r-p);
  font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background:var(--brand-dark);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(14,169,148,.08);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:var(--brand);
  border-bottom:2px solid rgba(14,169,148,.35);
  transition:border-color .18s ease,transform .18s ease;
}
.link-more:hover{border-color:var(--brand);transform:translateX(2px);}

/* ---------- Section basics ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1280px){.section{padding:96px 0;}}
.section-head{max-width:760px;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:3px;background:var(--brand);}
h1.hero-title{font-size:clamp(30px,4.4vw,46px);line-height:1.15;font-weight:700;}
h2.section-title{font-size:clamp(26px,3vw,36px);line-height:1.25;}
h3.card-title{font-size:20px;line-height:1.4;}
h4.sub-title{font-size:17px;line-height:1.5;}
.ticks{display:flex;gap:6px;margin-top:16px;}
.ticks span{height:5px;border-radius:3px;background:var(--line);}
.ticks span:nth-child(1){width:28px;background:var(--brand);}
.ticks span:nth-child(2){width:16px;background:var(--spark);}
.ticks span:nth-child(3){width:8px;background:var(--accent);}
.lead-text{font-size:16px;color:var(--text);margin-top:16px;max-width:640px;}

/* ---------- Breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text);letter-spacing:.02em;}
.crumb a{color:var(--text);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{margin:0 8px;opacity:.5;}
.crumb .cur{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--grad);color:#fff;
  padding:44px 0 60px;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto -10% -70px -10%;height:120px;
  background:var(--bg);border-radius:50% 50% 0 0;
}
.cat-hero .grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr;gap:36px;align-items:center;
}
@media (min-width:1024px){
  .cat-hero .grid{grid-template-columns:1.08fr .92fr;gap:48px;}
}
.cat-hero h1{color:#fff;}
.cat-hero .sub{color:rgba(255,255,255,.82);font-size:17px;margin-top:16px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55);color:#fff;}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.22);}
.hero-visual{position:relative;}
.hero-frame{
  border-radius:var(--r-l);overflow:hidden;
  border:1px solid rgba(255,255,255,.28);
  box-shadow:0 24px 60px rgba(4,26,22,.38);
}
.hero-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.badge-float{
  position:absolute;display:flex;flex-direction:column;gap:2px;
  padding:12px 16px;border-radius:18px;background:#fff;box-shadow:var(--shadow-2);
  border:1px solid var(--line);
}
.badge-float .v{font-size:20px;font-weight:800;color:var(--ink);line-height:1.2;}
.badge-float .l{font-size:12px;color:var(--text);letter-spacing:.02em;}
.badge-float.b1{left:-8px;bottom:22px;}
.badge-float.b2{right:-8px;top:24px;}
@media (max-width:639px){
  .badge-float.b1{left:8px;bottom:12px;}
  .badge-float.b2{right:8px;top:12px;}
}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-p);
  font-size:13px;font-weight:700;letter-spacing:.02em;
  background:rgba(14,169,148,.12);color:var(--brand-dark);
  border:1px solid rgba(14,169,148,.24);
}
.badge.spark{background:var(--spark);color:var(--ink);border-color:transparent;}
.badge.outline{background:#fff;color:var(--text);border:1px solid var(--line);}
.badge.sm{padding:2px 10px;font-size:12px;}

/* ---------- Tag bar ---------- */
.tagbar{
  display:flex;gap:10px;overflow-x:auto;
  padding:6px 2px 14px;
  border-bottom:1px solid var(--line);
  scrollbar-width:thin;
}
.tagbar a{
  flex:0 0 auto;padding:9px 18px;border-radius:var(--r-p);
  font-size:14px;font-weight:600;color:var(--text);
  background:#fff;border:1px solid var(--line);
  transition:all .18s ease;
}
.tagbar a:hover{color:var(--brand);border-color:rgba(14,169,148,.5);transform:translateY(-2px);}
.tagbar a.on{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- Cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-m);box-shadow:var(--shadow-1);
  overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card:hover .card-media img{transform:scale(1.03);}
.card-media{overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.card-body{padding:20px 22px 22px;}
.card-body p{font-size:14.5px;line-height:1.75;margin-top:10px;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text);
}
.grid-2{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr);}}
.grid-3{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}

/* 通栏大卡 */
.feature-wide{
  display:grid;grid-template-columns:1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--shadow-1);overflow:hidden;margin-bottom:24px;
  transition:box-shadow .18s ease,transform .18s ease;
}
.feature-wide:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
@media (min-width:1024px){
  .feature-wide{grid-template-columns:1.05fr .95fr;}
}
.feature-wide .fw-media{position:relative;overflow:hidden;min-height:240px;}
.feature-wide .fw-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .4s ease;}
.feature-wide:hover .fw-media img{transform:scale(1.03);}
.feature-wide .fw-body{padding:28px 26px 32px;}
@media (min-width:1024px){.feature-wide .fw-body{padding:40px 40px;}
}
.fw-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;margin-top:12px;
}
.fw-list i{color:var(--brand);margin-top:6px;font-size:12px;}

/* 错落：7/5 分列 */
.grid-split{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.grid-split{grid-template-columns:1.35fr 1fr;}}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (min-width:768px){.stats{grid-template-columns:repeat(3,1fr);}}
@media (min-width:1280px){.stats{grid-template-columns:repeat(6,1fr);}}
.stat{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-m);padding:22px 18px 20px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.stat::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:var(--grad);border-radius:var(--r-m) var(--r-m) 0 0;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.stat .v{font-size:clamp(24px,2.4vw,32px);font-weight:800;color:var(--ink);line-height:1.15;}
.stat .v small{font-size:14px;font-weight:700;color:var(--brand-dark);margin-left:4px;}
.stat .k{font-size:14px;font-weight:700;color:var(--ink);margin-top:8px;}
.stat .d{font-size:13px;color:var(--text);line-height:1.6;margin-top:2px;}
@media (max-width:639px){.stat .v{font-size:22px;}}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:step;}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(5,1fr);}}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-m);padding:24px 20px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step .n{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(14,169,148,.12);color:var(--brand-dark);font-weight:800;font-size:16px;
}
.step h4{margin-top:14px;}
.step p{font-size:14px;margin-top:8px;line-height:1.7;}

/* ---------- Compare ---------- */
.compare{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px 22px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){.compare{padding:36px 34px;}}
.cmp-row{margin-top:22px;}
.cmp-row:first-of-type{margin-top:8px;}
.cmp-top{display:flex;justify-content:space-between;font-size:14px;font-weight:700;color:var(--ink);}
.cmp-bars{display:grid;gap:8px;margin-top:10px;}
.bar{height:12px;border-radius:var(--r-p);background:var(--line);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:var(--r-p);}
.bar.before i{background:#C6CFCB;width:var(--w);}
.bar.after i{background:var(--brand);width:var(--w);}
.bar.accent i{background:var(--accent);width:var(--w);}
.cmp-legend{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--text);margin-top:18px;}
.cmp-legend span{display:inline-flex;align-items:center;gap:7px;}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;}
.dot.gray{background:#C6CFCB;}
.dot.green{background:var(--brand);}
.dot.orange{background:var(--accent);}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .18s ease;
}
.faq details[open]{box-shadow:var(--shadow-2);border-left:3px solid var(--brand);background:#FBFDFC;}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:700;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .ic{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,169,148,.12);color:var(--brand-dark);
  font-size:14px;transition:transform .2s ease;
}
.faq details[open] summary .ic{transform:rotate(45deg);}
.faq .ans{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text);}

/* ---------- CTA / Form ---------- */
.cta-band{
  background:var(--deep);border-radius:var(--r-l);
  padding:34px 22px;color:#fff;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
@media (min-width:768px){.cta-band{padding:48px 44px;}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:52px;}}
.cta-band h2{color:#fff;}
.cta-band p{color:#C9D3CE;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:15px;color:#C9D3CE;}
.cta-points i{color:var(--spark);margin-top:6px;font-size:12px;}
.form-card{background:#fff;border-radius:var(--r-l);padding:26px 22px;box-shadow:var(--shadow-2);}
@media (min-width:768px){.form-card{padding:30px 28px;}}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;min-height:47px;padding:11px 14px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  font-size:15px;color:var(--ink);transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#9AA5A0;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,169,148,.16);
}
.form-hint{font-size:13px;color:var(--text);margin-top:12px;text-align:center;}
.form-note{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-dark);
  background:rgba(14,169,148,.1);border-radius:12px;padding:10px 14px;margin-bottom:18px;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--deep);color:#C9D3CE;position:relative;margin-top:0;
  padding:52px 0 26px;border-top:3px solid transparent;
  border-image:var(--grad) 1;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;font-size:19px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.8;color:#C9D3CE;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#C9D3CE;transition:color .16s ease,padding-left .16s ease;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;margin-bottom:9px;}
.footer-contact i{color:var(--brand);font-size:13px;}
.footer-cta{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  padding:11px 22px;border-radius:var(--r-p);
  background:var(--grad);color:#fff;font-weight:700;font-size:14px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.footer-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#93A19B;
}

/* roulang page: category3 */
:root{
  --brand:#0EA994;
  --brand-dark:#0A7F70;
  --accent:#FF5A2D;
  --spark:#FFC53D;
  --ink:#101418;
  --text:#4A5560;
  --line:#E6E9E6;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --deep:#0E1A18;
  --grad:linear-gradient(120deg,#08302C 0%,#0EA994 58%,#12C2A0 100%);
  --r-sm:8px;
  --r-md:12px;
  --r-card:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(16,26,24,.06);
  --sh2:0 12px 32px rgba(16,26,24,.10);
  --w:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
i{font-style:normal;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;}
em{font-style:normal;}

.container{width:100%;max-width:var(--w);margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1280px){.container{padding-left:32px;padding-right:32px;}}

.num{font-variant-numeric:tabular-nums;}

/* ---------- 通用排版组件 ---------- */
.h1{font-size:clamp(30px,4.4vw,54px);font-weight:700;line-height:1.15;letter-spacing:-.01em;color:var(--ink);}
.h1-sm{font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.18;letter-spacing:-.01em;color:var(--ink);}
.h2{font-size:clamp(24px,2.7vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink);}
.h3{font-size:clamp(19px,1.6vw,22px);font-weight:700;line-height:1.4;color:var(--ink);}
.lead{font-size:17px;line-height:1.85;color:var(--text);}
.muted{color:#7C8A85;font-size:14px;letter-spacing:.02em;}
.rule{display:flex;gap:6px;margin-top:18px;}
.rule span{height:4px;border-radius:var(--r-pill);background:var(--grad);display:block;}
.rule span:nth-child(1){width:44px;}
.rule span:nth-child(2){width:12px;opacity:.6;}
.rule span:nth-child(3){width:6px;opacity:.35;}
.rule-light span{background:linear-gradient(120deg,#12C2A0,#FFC53D);}

.section{padding:56px 0;}
@media (min-width:768px){.section{padding:76px 0;}}
@media (min-width:1280px){.section{padding:96px 0;}}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand-dark);text-transform:uppercase;margin-bottom:14px;}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;display:block;}
.sec-sub{margin-top:16px;font-size:16px;color:var(--text);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out;line-height:1.2;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(14,169,148,.28);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-dark);}
.btn-ghost:hover{background:rgba(14,169,148,.08);transform:translateY(-2px);}
.btn-on-dark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-on-dark:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--brand-dark);border-bottom:2px solid rgba(14,169,148,.3);padding-bottom:2px;transition:border-color .18s ease-out,gap .18s ease-out,color .18s ease-out;}
.link-arrow:hover{border-color:var(--brand);gap:12px;color:var(--brand);}
.link-arrow:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;background:rgba(14,169,148,.12);color:var(--brand-dark);white-space:nowrap;}
.badge-lg{height:32px;padding:0 16px;font-size:13px;}
.badge-spark{background:var(--spark);color:var(--ink);}
.badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3);}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.75;display:block;}
.badge.no-dot::before{display:none;}

/* ---------- 导航 ---------- */
.nav-shell{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0;position:relative;}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#0EA994,#0A7F70);color:#fff;font-weight:800;font-size:15px;letter-spacing:.06em;box-shadow:var(--sh1);}
.logo-text{display:block;font-size:17px;font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:-.01em;}
.logo-sub{display:block;font-size:11px;color:#93A09B;letter-spacing:.08em;line-height:1.4;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:#3C4A46;transition:color .16s ease-out,background-color .16s ease-out;}
.nav-link:hover{color:var(--brand-dark);background:rgba(14,169,148,.08);}
.nav-link.active{color:var(--brand-dark);}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:var(--r-pill);background:var(--grad);}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.mega-wrap{position:relative;}
.mega-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:15px;font-weight:600;color:#3C4A46;cursor:pointer;transition:border-color .16s,color .16s,background-color .16s;}
.mega-btn:hover,.mega-wrap:focus-within .mega-btn{border-color:var(--brand);color:var(--brand-dark);background:rgba(14,169,148,.06);}
.mega-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:min(760px,86vw);background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--sh2);padding:26px;display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .15s ease-out,transform .15s ease-out,visibility .15s;}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:800;letter-spacing:.08em;color:#8A9691;margin-bottom:12px;}
.mega-list li{margin-bottom:10px;}
.mega-list a{font-size:14px;color:#3C4A46;font-weight:600;transition:color .16s;}
.mega-list a:hover{color:var(--brand-dark);}
.mega-news a{display:block;padding:10px 12px;border-radius:var(--r-md);background:var(--bg);margin-bottom:8px;transition:background-color .16s;}
.mega-news a:hover{background:rgba(14,169,148,.1);}
.mega-news .t{display:block;font-size:13.5px;font-weight:700;color:var(--ink);line-height:1.5;}
.mega-news .d{display:block;font-size:12px;color:#93A09B;margin-top:2px;}
.mega-card{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card .pad{padding:14px 16px 16px;}
.mega-card strong{display:block;font-size:14px;color:var(--ink);}
.mega-card span{display:block;font-size:12.5px;color:#8A9691;margin-top:4px;}
.nav-burger{display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;cursor:pointer;place-items:center;gap:4px;padding:11px 10px;}
.nav-burger span{display:block;width:100%;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease-out,opacity .2s ease-out;}
.nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0;}
.nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

@media (max-width:1024px){
  .nav-burger{display:grid;}
  .nav-links{position:absolute;left:0;right:0;top:calc(100% + 1px);display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh2);padding:12px 16px 20px;border-radius:0 0 20px 20px;}
  .nav-toggle:checked ~ .nav-links{display:flex;}
  .nav-link{padding:14px 12px;min-height:44px;display:flex;align-items:center;border-radius:var(--r-md);border-bottom:1px solid var(--line);}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:rgba(14,169,148,.1);}
  .mega-wrap{display:none;}
}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;}
.crumb .sep{opacity:.5;}
.crumb-light{color:rgba(255,255,255,.78);}
.crumb-light a:hover{color:#fff;}
.crumb-dark{color:#8A9691;}
.crumb-dark a{color:#5C6A65;}
.crumb-dark a:hover{color:var(--brand-dark);}

/* ---------- Hero ---------- */
.cat-hero{position:relative;background:var(--grad);color:#fff;overflow:hidden;padding:44px 0 92px;}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.19;}
.cat-hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:70px;background:var(--bg);clip-path:polygon(0 100%,100% 0,100% 100%);}
.cat-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;margin-top:24px;}
.hero-title{font-size:clamp(32px,4vw,50px);font-weight:700;line-height:1.15;letter-spacing:-.015em;color:#fff;}
.hero-title span{display:block;font-size:clamp(18px,2vw,24px);font-weight:600;color:rgba(255,255,255,.86);margin-top:12px;letter-spacing:0;line-height:1.55;}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 24px 60px rgba(4,26,22,.4);border:1px solid rgba(255,255,255,.18);}
.hero-float{position:absolute;background:#fff;border-radius:18px;padding:12px 18px;box-shadow:var(--sh2);color:var(--ink);border:1px solid var(--line);}
.hero-float .n{display:block;font-size:24px;font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.hero-float .n i{font-size:13px;font-weight:700;margin-left:2px;}
.hero-float em{display:block;font-size:12.5px;color:#7C8A85;margin-top:2px;letter-spacing:.02em;}
.hero-float-a{left:-18px;bottom:34px;}
.hero-float-b{right:-14px;top:28px;}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-float-a{left:10px;bottom:16px;}
  .hero-float-b{right:10px;top:16px;}
}
@media (max-width:520px){
  .cat-hero{padding:32px 0 78px;}
  .hero-float{padding:10px 14px;}
  .hero-float .n{font-size:19px;}
}

/* ---------- 指标看板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 22px;box-shadow:var(--sh1);overflow:hidden;transition:transform .18s ease-out,box-shadow .18s ease-out;}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.stat-num{display:block;font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat-num i{font-size:15px;font-weight:700;color:var(--brand-dark);margin-left:3px;}
.stat-name{margin:10px 0 4px;font-size:15px;font-weight:700;color:var(--ink);}
.stat-desc{margin:0;font-size:13.5px;color:#8A9691;line-height:1.65;}
@media (max-width:1024px){.stat-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.stat-grid{grid-template-columns:repeat(2,1fr);gap:12px;}.stat-card{padding:20px 16px 18px;}.stat-num{font-size:26px;}}

/* ---------- 图文交替 ---------- */
.zig-list-wrap{display:flex;flex-direction:column;gap:64px;}
@media (min-width:1280px){.zig-list-wrap{gap:88px;}}
.zig-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
@media (min-width:1025px){
  .zig-row{grid-template-columns:1fr 1fr;gap:64px;}
  .zig-row.reverse .zig-media{order:2;}
  .zig-row.reverse .zig-text{order:1;}
}
.zig-media{position:relative;}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh2);border:1px solid var(--line);}
.zig-badge{position:absolute;left:18px;bottom:18px;background:#fff;box-shadow:var(--sh1);}
.zig-num{display:block;font-size:clamp(46px,5.6vw,74px);font-weight:800;line-height:1;letter-spacing:-.05em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;margin-bottom:14px;}
.zig-text .h3{margin-bottom:12px;}
.zig-text p{font-size:16px;line-height:1.9;color:var(--text);}
.zig-points{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.zig-points li{position:relative;padding-left:22px;font-size:15px;color:#3C4A46;line-height:1.75;}
.zig-points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--brand);}

/* ---------- 对比条 ---------- */
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
@media (max-width:1024px){.cmp-grid{grid-template-columns:1fr;}}
.cmp-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh1);transition:box-shadow .18s ease-out,transform .18s ease-out;}
.cmp-item:hover{box-shadow:var(--sh2);transform:translateY(-3px);}
.cmp-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px;}
.cmp-name{font-size:16px;font-weight:700;color:var(--ink);}
.cmp-line{display:grid;grid-template-columns:58px 1fr 82px;align-items:center;gap:14px;margin-bottom:12px;}
.cmp-tag{font-size:12.5px;font-weight:700;color:#8A9691;letter-spacing:.02em;}
.cmp-tag-on{color:var(--brand-dark);}
.bar-track{height:12px;border-radius:var(--r-pill);background:#EDF1EE;overflow:hidden;}
.bar-fill{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#0EA994,#12C2A0);transition:width .5s ease-out;}
.bar-fill-muted{background:#D5DBD7;}
.cmp-val{font-size:14px;font-weight:700;color:#7C8A85;text-align:right;font-variant-numeric:tabular-nums;}
.cmp-val-on{color:var(--ink);}
@media (max-width:520px){
  .cmp-line{grid-template-columns:1fr;gap:8px;}
  .cmp-tag{padding-top:2px;}
  .cmp-val{text-align:left;}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.faq-item:hover{border-color:rgba(14,169,148,.4);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";flex-shrink:0;font-size:24px;font-weight:400;color:var(--brand);line-height:1;transition:transform .18s ease-out;}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-3px;border-radius:16px;}
.faq-item[open]{border-left:3px solid var(--brand);background:#FAFCFB;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text);}

/* ---------- 转化表单 ---------- */
.lead-band{position:relative;background:var(--deep);color:#fff;border-radius:var(--r-lg);padding:40px 28px;overflow:hidden;}
.lead-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.13;}
.lead-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
@media (max-width:1024px){.lead-grid{grid-template-columns:1fr;gap:32px;}.lead-band{padding:32px 20px;}}
.lead-band .h2{color:#fff;}
.lead-band p{color:#C9D3CE;}
.lead-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.lead-points li{display:flex;gap:10px;font-size:15px;color:#DCE5E1;line-height:1.7;}
.lead-points i{color:#12C2A0;margin-top:5px;}
.lead-contact{margin-top:26px;font-size:14px;color:#9FB0AA;line-height:1.9;}
.lead-contact strong{color:#fff;font-weight:700;}
.form-card{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh2);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:520px){.form-grid{grid-template-columns:1fr;}.form-card{padding:22px 18px;}}
.field{display:flex;flex-direction:column;gap:6px;}
.field-full{grid-column:1/-1;}
@media (max-width:520px){.field-full{grid-column:auto;}}
.field label{font-size:13.5px;font-weight:700;color:#3C4A46;}
.field .req{color:var(--accent);}
.input,.select,.textarea{width:100%;height:47px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;padding:0 14px;font-size:15px;color:var(--ink);transition:border-color .16s ease-out,box-shadow .16s ease-out;outline:none;}
.textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.input::placeholder,.textarea::placeholder{color:#A9B4AF;}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,169,148,.13);}
.input:user-invalid,.select:user-invalid,.textarea:user-invalid{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,90,45,.12);}
.form-note{margin:14px 0 0;font-size:13px;color:#8A9691;line-height:1.7;}
.form-success{margin-top:14px;padding:12px 16px;border-radius:var(--r-md);background:rgba(14,169,148,.1);color:var(--brand-dark);font-size:13.5px;font-weight:600;}

/* ---------- 卡片通用 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;transition:transform .18s ease-out,box-shadow .18s ease-out;}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--deep);color:#C9D3CE;padding:60px 0 0;margin-top:0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:600px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{width:38px;height:38px;border-radius:12px;font-size:13px;}
.footer-brand .logo-text{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;line-height:1.8;color:#A9B8B2;margin:0 0 10px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#C9D3CE;transition:color .16s ease-out;}
.footer-links a:hover{color:#12C2A0;}
.footer-links a:focus-visible{outline:2px solid #12C2A0;outline-offset:2px;border-radius:4px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#C9D3CE;margin-bottom:10px;line-height:1.7;}
.footer-contact i{color:#12C2A0;margin-top:5px;font-size:13px;}
.footer-cta{display:inline-flex;align-items:center;gap:8px;margin-top:12px;padding:10px 20px;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;font-weight:700;transition:background-color .16s ease-out,transform .16s ease-out;}
.footer-cta:hover{background:var(--brand-dark);transform:translateY(-2px);}
.footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8A9A94;}