/* ==================================================================
   ORGNAL 官网 · 全站样式
   ================================================================== */

:root{
  --ink:#0b1220;
  --ink-2:#141d31;
  --ink-3:#1d2942;
  --paper:#ffffff;
  --soft:#f5f7fb;
  --soft-2:#eef2f9;
  --line:#e4e9f2;
  --muted:#5d6a7e;
  --muted-2:#8a95a8;
  --brand:#2563eb;
  --brand-dark:#1d4ed8;
  --brand-2:#7c3aed;
  --accent:#ff7a45;
  --green:#12b76a;
  --red:#e5484d;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(16,24,40,.06);
  --shadow:0 12px 32px rgba(16,24,40,.09);
  --shadow-lg:0 28px 70px rgba(16,24,40,.14);
  --shell:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink);
  background:var(--paper);
  -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}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
::selection{background:rgba(37,99,235,.18)}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}
.shell--narrow{max-width:820px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:999}
.skip-link:focus{left:12px;top:12px;border-radius:8px}
.ico{flex:0 0 auto;vertical-align:middle}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s,color .18s,border-color .18s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 22px rgba(37,99,235,.28)}
.btn--primary:hover{box-shadow:0 12px 28px rgba(37,99,235,.36)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:#c8d2e4;background:#fff}
.hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.04)}
.hero .btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);color:#fff}
.btn--light{background:#fff;color:var(--ink);box-shadow:0 10px 26px rgba(0,0,0,.18)}
.btn--lg{padding:14px 26px;font-size:16px}
.btn--block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow .ico{transition:transform .2s var(--ease)}
.link-arrow:hover .ico,.case-card:hover .link-arrow .ico{transform:translateX(4px)}

/* ---------------- 顶部导航 ---------------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid rgba(228,233,242,.9);
  transition:box-shadow .25s,background .25s;
}
.site-head.is-scrolled{box-shadow:0 6px 24px rgba(16,24,40,.08)}
.site-head__inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand__mark{color:var(--brand);display:flex}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-size:17px;letter-spacing:.06em;font-weight:800}
.brand__text small{font-size:10px;letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase}
.brand--light{color:#fff}
.brand--light .brand__mark{color:#7ea6ff}
.brand--light .brand__text small{color:rgba(255,255,255,.5)}
.nav{display:flex;align-items:center;gap:6px}
.nav__link{
  position:relative;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:#2a3446;
  transition:color .16s,background .16s;
}
.nav__link:hover{color:var(--brand);background:rgba(37,99,235,.06)}
.nav__link.is-active{color:var(--brand);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.nav__cta{margin-left:10px}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------------- Hero ---------------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#0b1220 0%,#101b31 58%,#16233c 100%);color:#fff}
.hero__grid{
  position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 20%,transparent 75%);
}
.hero__glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;pointer-events:none}
.hero__glow--a{width:520px;height:520px;background:rgba(37,99,235,.55);top:-180px;left:-120px}
.hero__glow--b{width:460px;height:460px;background:rgba(124,58,237,.46);bottom:-200px;right:-80px}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:86px 24px 96px}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.82);margin-bottom:22px;
}
.badge__dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(18,183,106,.18)}
.hero__title{font-size:clamp(32px,4.4vw,56px);line-height:1.14;letter-spacing:-.02em;margin-bottom:20px}
.hero__title span{display:block;color:#fff}
.hero__title em{
  display:block;font-style:normal;
  background:linear-gradient(100deg,#7ea6ff 0%,#a78bfa 42%,#ffb27a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__desc{font-size:clamp(15px,1.35vw,17px);line-height:1.85;color:rgba(255,255,255,.72);max-width:520px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero__points{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px;font-size:13.5px;color:rgba(255,255,255,.62)}
.hero__points li{display:flex;align-items:center;gap:6px}
.hero__points .ico{color:var(--green)}

/* 视觉卡 */
.hero__visual{position:relative;height:420px}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;backdrop-filter:blur(12px);box-shadow:0 24px 60px rgba(0,0,0,.34)}
.hero-card--main{position:absolute;inset:24px 12px auto 12px;padding:0;overflow:hidden;transform:rotate(-1.4deg)}
.hero-card__head{display:flex;align-items:center;gap:6px;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04)}
.dot{width:9px;height:9px;border-radius:50%}
.dot--r{background:#ff5f57}.dot--y{background:#febc2e}.dot--g{background:#28c840}
.hero-card__title{margin-left:8px;font-size:11.5px;color:rgba(255,255,255,.45);letter-spacing:.06em}
.hero-card__body{padding:20px 18px 22px}
.hero-chart{display:flex;align-items:flex-end;gap:10px;height:150px;padding:0 2px}
.hero-chart span{
  flex:1;height:var(--h);border-radius:7px 7px 3px 3px;
  background:linear-gradient(180deg,rgba(126,166,255,.95),rgba(124,58,237,.35));
  animation:grow .9s var(--ease) both;
}
@keyframes grow{from{height:0;opacity:.2}to{height:var(--h);opacity:1}}
.hero-card__stats{display:flex;gap:26px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.hero-card__stats strong{display:block;font-size:22px;letter-spacing:-.01em}
.hero-card__stats small{font-size:12px;color:rgba(255,255,255,.5)}
.hero-card--float{position:absolute;display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:16px;animate:none}
.hero-card--float strong{display:block;font-size:13.5px}
.hero-card--float small{font-size:11.5px;color:rgba(255,255,255,.5)}
.hero-card--a{right:-26px;top:-30px;animation:float 6s ease-in-out infinite}
.hero-card--b{left:-30px;bottom:-26px;animation:float 7s ease-in-out infinite reverse}
.hero-card__ico{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:rgba(37,99,235,.28);color:#a9c4ff}
.hero-card__ico--green{background:rgba(18,183,106,.22);color:#7ee2b0}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------------- 数据条 ---------------- */
.stats{background:var(--ink);border-top:1px solid rgba(255,255,255,.06)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:34px 24px}
.stat{text-align:center;padding:6px 12px;border-right:1px solid rgba(255,255,255,.08)}
.stat:last-child{border-right:0}
.stat__num{display:block;font-size:clamp(28px,3.2vw,38px);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.1}
.stat__num i{font-style:normal;font-size:.55em;margin-left:2px;color:#7ea6ff}
.stat__label{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.04em}

/* ---------------- 通用区块 ---------------- */
.section{padding:clamp(64px,9vw,110px) 0}
.section--tight{padding:48px 0}
.section__head{max-width:640px;margin:0 auto clamp(34px,5vw,54px);text-align:center}
.section__head h2{font-size:clamp(24px,3.1vw,36px);margin:10px 0 12px;letter-spacing:-.02em}
.section__head p{color:var(--muted);font-size:15.5px;line-height:1.8}
.section__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;text-align:left;margin-bottom:36px}
.section__head--row h2{margin-bottom:0}
.eyebrow{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.22em;color:var(--brand);text-transform:uppercase}
.grid{display:grid;gap:20px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.empty-tip{text-align:center;color:var(--muted);padding:60px 0}

/* ---------------- 服务卡 ---------------- */
.services-section{background:var(--soft)}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s;
  position:relative;overflow:hidden;
}
.svc-card::after{
  content:"";position:absolute;inset:auto -40px -60px auto;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.10),transparent 70%);opacity:0;transition:opacity .25s;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6e0f4}
.svc-card:hover::after{opacity:1}
.svc-card__ico{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:13px;
  background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(124,58,237,.12));color:var(--brand);margin-bottom:16px;
}
.svc-card h3{font-size:17.5px;margin-bottom:8px}
.svc-card p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:14px}

/* ---------------- 为什么选我们 ---------------- */
.why__inner{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;align-items:center}
.why__copy h2{font-size:clamp(24px,3vw,34px);margin:10px 0 14px}
.why__copy>p{color:var(--muted);line-height:1.85;margin-bottom:28px}
.why__list li{display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--line)}
.why__list li:last-child{border-bottom:1px solid var(--line)}
.why__no{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:.08em;padding-top:3px;min-width:22px}
.why__list strong{font-size:15.5px;display:block;margin-bottom:3px}
.why__list p{font-size:14px;color:var(--muted);line-height:1.7}
.why__visual{position:relative;height:470px}
.why-card{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;width:300px;
}
.why-card:first-child{top:0;left:0;z-index:2}
.why-card--b{bottom:0;right:0;z-index:1;width:272px}
.why-card__row{display:flex;justify-content:space-between;align-items:center;font-size:13.5px;color:var(--muted);margin-bottom:12px}
.why-card__row strong{font-size:20px;color:var(--ink)}
.why-card__row .ok{color:var(--green)}
.why-bar{height:8px;border-radius:999px;background:var(--soft-2);overflow:hidden}
.why-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.why-metrics{display:flex;flex-direction:column;gap:9px;margin:16px 0}
.why-metrics span{display:block;height:6px;border-radius:999px;background:var(--soft-2);overflow:hidden}
.why-metrics i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#12b76a,#7ee2b0)}
.why-card__mini{display:flex;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.why-card__mini>div{flex:1}
.why-card__mini small{display:block;font-size:11.5px;color:var(--muted-2)}
.why-card__mini strong{font-size:15px}

/* ---------------- 案例卡 ---------------- */
.case-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.case-card__thumb{position:relative;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-card__thumb--0{background:linear-gradient(135deg,#1e3a8a,#3b82f6)}
.case-card__thumb--1{background:linear-gradient(135deg,#4c1d95,#8b5cf6)}
.case-card__thumb--2{background:linear-gradient(135deg,#0f766e,#2dd4bf)}
.case-card__thumb--3{background:linear-gradient(135deg,#9a3412,#fb923c)}
.case-card__thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-card__ico{color:rgba(255,255,255,.85)}
.case-card__tag{position:absolute;top:12px;left:12px;z-index:2;font-size:11px;font-weight:600;letter-spacing:.08em;color:#fff;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.25);padding:4px 10px;border-radius:999px;backdrop-filter:blur(6px)}
.case-card__body{padding:20px 22px 22px}
.case-card__body h3{font-size:16.5px;margin-bottom:8px}
.case-card__body p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:14px}

/* ---------------- 新闻列表 ---------------- */
.news-list{border-top:1px solid var(--line)}
.news-row{display:flex;align-items:center;gap:24px;padding:22px 8px;border-bottom:1px solid var(--line);transition:background .18s,padding .18s}
.news-row:hover{background:var(--soft);padding-left:16px;padding-right:16px}
.news-row__date{flex:0 0 62px;font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.1;display:flex;flex-direction:column}
.news-row__date small{font-size:11.5px;font-weight:500;color:var(--muted-2);letter-spacing:.06em}
.news-row__body{flex:1;min-width:0}
.news-row__body h3{font-size:16.5px;margin-bottom:5px}
.news-row__body p{font-size:14px;color:var(--muted);line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-row__meta{display:block;font-size:12px;color:var(--muted-2);margin-top:6px}
.news-row__arrow{color:var(--muted-2);transition:transform .2s,color .2s}
.news-row:hover .news-row__arrow{transform:translateX(4px);color:var(--brand)}

/* ---------------- 合作伙伴 ---------------- */
.partners{background:var(--soft)}
.partners__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.partner{display:flex;align-items:center;gap:12px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:transform .18s var(--ease),box-shadow .18s,border-color .18s}
.partner:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:#cfdaf0}
.partner__logo{width:34px;height:34px;object-fit:contain;border-radius:8px}
.partner__badge{
  display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(124,58,237,.12));color:var(--brand);font-weight:700;font-size:15px;flex:0 0 36px;
}
.partner__text{min-width:0}
.partner__text strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.partner__text small{display:block;font-size:11.5px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------------- CTA ---------------- */
.cta{background:linear-gradient(120deg,#0f172a 0%,#1b2a4a 55%,#243b6b 100%);color:#fff;padding:64px 0}
.cta--soft{background:var(--soft);color:var(--ink)}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta h2{font-size:clamp(22px,2.7vw,32px);margin-bottom:10px}
.cta p{color:rgba(255,255,255,.7);max-width:520px;font-size:15px}
.cta--soft p{color:var(--muted)}
.cta__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta__phone{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:rgba(255,255,255,.85)}

/* ---------------- 内页头部 ---------------- */
.page-hero{padding:72px 0 56px;background:linear-gradient(180deg,#0b1220,#152239);color:#fff;position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.35),transparent 68%);filter:blur(20px);
}
.page-hero .shell{position:relative;z-index:1}
.page-hero h1{font-size:clamp(30px,4vw,46px);margin:10px 0 14px;letter-spacing:-.02em}
.page-hero p{color:rgba(255,255,255,.68);max-width:640px;font-size:15.5px;line-height:1.8}
.page-hero .eyebrow{color:#8db4ff}

/* ---------------- 关于 ---------------- */
.about-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:56px;align-items:start}
.prose{font-size:16px;line-height:1.95;color:#2c3648}
.prose p{margin-bottom:18px}
.prose h2,.prose h3{margin:30px 0 12px}
.prose ul{list-style:disc;padding-left:22px;margin-bottom:18px}
.prose li{margin-bottom:6px}
.prose blockquote{border-left:3px solid var(--brand);background:var(--soft);padding:14px 18px;border-radius:0 10px 10px 0;color:var(--muted);margin:20px 0}
.prose img{border-radius:12px;margin:20px 0}
.prose--tight{font-size:14.8px;line-height:1.85;color:var(--muted)}
.prose--tight p{margin-bottom:12px}
.about-values{display:grid;gap:16px;margin-top:34px}
.value{display:flex;gap:14px;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.value>span{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:rgba(37,99,235,.09);color:var(--brand);flex:0 0 38px}
.value strong{display:block;font-size:15px;margin-bottom:3px}
.value p{font-size:13.5px;color:var(--muted);line-height:1.65}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);position:sticky;top:92px}
.side-card h3{font-size:15px;margin-bottom:16px}
.side-card dl>div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13.5px}
.side-card dt{color:var(--muted-2);flex:0 0 auto}
.side-card dd{text-align:right;color:var(--ink)}
.side-card .btn{margin-top:20px}

/* ---------------- 服务列表 ---------------- */
.svc-list{display:grid;gap:22px;max-width:900px;margin:0 auto}
.svc-item{padding:30px 32px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:box-shadow .2s}
.svc-item:hover{box-shadow:var(--shadow-sm)}
.svc-item__head{display:flex;align-items:center;gap:16px;margin-bottom:10px}
.svc-item__ico{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(124,58,237,.12));color:var(--brand);flex:0 0 48px}
.svc-item__no{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--brand)}
.svc-item h2{font-size:20px;margin:0}
.svc-item__summary{color:var(--muted);font-size:14.8px;margin-bottom:12px}
.process{background:var(--soft)}
.process__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.process__step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;position:relative}
.process__step span{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:.1em}
.process__step h3{font-size:16px;margin:10px 0 6px}
.process__step p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------------- 文章 ---------------- */
.article{padding:56px 0 20px}
.article__head{margin-bottom:32px}
.article__back{font-size:13.5px;color:var(--muted);display:inline-block;margin-bottom:18px}
.article__back:hover{color:var(--brand)}
.article__head h1{font-size:clamp(26px,3.6vw,40px);line-height:1.3;margin-bottom:16px}
.article__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted-2);flex-wrap:wrap}
.dot-sep{width:3px;height:3px;border-radius:50%;background:var(--muted-2)}
.article__cover{margin:0 0 28px;border-radius:var(--radius);overflow:hidden}
.article__summary{
  font-size:16.5px;line-height:1.9;color:#33405a;background:var(--soft);border-left:3px solid var(--brand);
  padding:18px 22px;border-radius:0 12px 12px 0;margin-bottom:28px;
}
.prose--article{font-size:16.5px}
.article__foot{margin:40px 0 10px;padding-top:28px;border-top:1px solid var(--line)}
.article__share{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.related__title{font-size:18px;margin-bottom:18px}
.related__list{border-top:1px solid var(--line)}
.related__item{display:flex;align-items:center;gap:16px;padding:15px 6px;border-bottom:1px solid var(--line);transition:background .16s}
.related__item:hover{background:var(--soft)}
.related__item span{font-size:12.5px;color:var(--muted-2);flex:0 0 84px}
.related__item strong{flex:1;font-size:14.5px;font-weight:600}
.related__item .ico{color:var(--muted-2)}

/* ---------------- 联系 ---------------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.contact-info h2{font-size:24px;margin-bottom:10px}
.contact-info__lead{color:var(--muted);font-size:14.5px;line-height:1.8;margin-bottom:26px}
.contact-list{display:grid;gap:14px}
.contact-list li{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#fff}
.contact-list__ico{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:rgba(37,99,235,.08);color:var(--brand);flex:0 0 36px}
.contact-list small{display:block;font-size:11.5px;color:var(--muted-2);letter-spacing:.04em}
.contact-list a,.contact-list div>span{font-size:14.8px;font-weight:600;word-break:break-all}
.contact-note{margin-top:22px;padding:18px 20px;background:var(--soft);border-radius:14px;border:1px solid var(--line)}
.contact-note strong{font-size:13.5px;display:block;margin-bottom:4px}
.contact-note p{font-size:13px;color:var(--muted);line-height:1.7}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,34px);box-shadow:var(--shadow-sm)}

/* ---------------- 表单 ---------------- */
.form{display:grid;gap:16px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block}
.field>span{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:#34405a}
.field>span i{color:var(--red);font-style:normal}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:#fbfcfe;
  font-size:14.5px;transition:border-color .18s,box-shadow .18s,background .18s;outline:none;
}
.field textarea{resize:vertical;min-height:120px;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.field input::placeholder,.field textarea::placeholder{color:#a9b3c4}
.form__tip{font-size:12px;color:var(--muted-2);text-align:center;margin-top:-4px}
.alert{padding:14px 16px;border-radius:12px;font-size:14px;margin-bottom:18px;line-height:1.7}
.alert ul{padding-left:18px;list-style:disc;margin-top:6px}
.alert--success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.alert--error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}

/* ---------------- 分页 ---------------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pager__item{min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:#fff;transition:all .16s}
.pager__item:hover{border-color:var(--brand);color:var(--brand)}
.pager__item.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager__gap{color:var(--muted-2);padding:0 4px}

/* ---------------- 页脚 ---------------- */
.site-foot{background:#0b1220;color:rgba(255,255,255,.72);padding:64px 0 0}
.site-foot__grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:40px;padding-bottom:44px}
.site-foot__brand .brand{margin-bottom:16px}
.site-foot__desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.5);max-width:330px;margin-bottom:16px}
.site-foot__social{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.65)}
.site-foot__col h4{font-size:13.5px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.site-foot__col ul{display:grid;gap:10px}
.site-foot__col a,.site-foot__col span{font-size:13.5px;color:rgba(255,255,255,.55);transition:color .16s}
.site-foot__col a:hover{color:#fff}
.site-foot__contact li{display:flex;align-items:flex-start;gap:8px;line-height:1.6}
.site-foot__contact .ico{color:rgba(255,255,255,.35);margin-top:3px}
.site-foot__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:20px 24px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:rgba(255,255,255,.42);
}
.site-foot__meta{display:flex;gap:16px;flex-wrap:wrap}
.site-foot__bottom a:hover{color:#fff}
.site-foot__admin{opacity:.5}
.site-foot__admin:hover{opacity:1}

.to-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50;
}
.to-top .ico{transform:rotate(-90deg)}
.to-top.is-on{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-2px)}

/* ---------------- 动效 ---------------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-chart span{animation:none}
  .hero-card--a,.hero-card--b{animation:none}
}

/* ==================================================================
   响应式
   ================================================================== */
@media (max-width:1080px){
  .hero__inner{gap:36px;padding:66px 24px 76px}
  .hero__visual{height:350px}
  .why__inner{gap:36px}
  .why-card{width:260px}
  .why-card--b{width:240px}
  .partners__grid{grid-template-columns:repeat(3,1fr)}
  .site-foot__grid{grid-template-columns:1.4fr .8fr .8fr;gap:32px}
  .site-foot__contact{grid-column:1/-1}
}

@media (max-width:900px){
  .hero__inner{grid-template-columns:1fr;padding:52px 20px 56px;gap:34px}
  .hero__visual{height:auto;margin-top:0}
  .hero-card--main{position:relative;inset:auto;transform:none}
  .hero-card--a,.hero-card--b{display:none}
  .hero-card__body{padding:16px 16px 18px}
  .hero-chart{height:120px}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid rgba(255,255,255,.08);padding-top:18px}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .why__inner{grid-template-columns:1fr;gap:40px}
  .why__visual{height:430px;max-width:520px;margin:0 auto}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .side-card{position:static}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .process__grid{grid-template-columns:repeat(2,1fr)}
  .cta__inner{flex-direction:column;align-items:flex-start;gap:24px}
}

@media (max-width:760px){
  .shell{padding:0 18px}
  .site-head__inner{height:62px}
  .burger{display:flex}
  .nav{
    position:fixed;inset:62px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:14px 18px 22px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(16,24,40,.12);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:all .22s var(--ease);
    max-height:calc(100vh - 62px);overflow-y:auto;
  }
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav__link{padding:13px 12px;border-radius:10px;font-size:15.5px}
  .nav__link.is-active{background:rgba(37,99,235,.07)}
  .nav__link.is-active::after{display:none}
  .nav__cta{margin:10px 0 0;width:100%}
  .section{padding:56px 0}
  .section__head--row{flex-direction:column;align-items:flex-start;gap:14px}
  .grid--3{grid-template-columns:1fr}
  .partners__grid{grid-template-columns:repeat(2,1fr)}
  .news-row{gap:14px;padding:18px 2px}
  .news-row__date{flex-basis:48px;font-size:17px}
  .news-row__body h3{font-size:15.5px}
  .site-foot{padding-top:48px}
  .site-foot__grid{grid-template-columns:1fr 1fr;gap:28px 20px}
  .site-foot__brand{grid-column:1/-1}
  .site-foot__contact{grid-column:1/-1}
  .site-foot__bottom{flex-direction:column;align-items:flex-start;gap:8px;padding:18px}
  .form__row{grid-template-columns:1fr}
  .process__grid{grid-template-columns:1fr}
  .article__head h1{font-size:24px}
  .prose--article{font-size:15.5px}
  .page-hero{padding:52px 0 40px}
  .article{padding:36px 0 16px}
  .hero-card--a{right:-6px;top:-22px}
  .hero-card--b{left:-6px;bottom:-14px}
  .hero-card__stats strong{font-size:19px}
  .to-top{right:14px;bottom:16px;width:40px;height:40px}
}

@media (max-width:420px){
  .hero__actions .btn{flex:1 1 100%}
  .partners__grid{grid-template-columns:1fr}
  .site-foot__grid{grid-template-columns:1fr}
  .stats__grid{padding:26px 18px}
}