/* ============================================================
   南方咨询（湖北）有限公司 — 官方网站样式表
   ============================================================ */

:root{
  --navy:#0d2a4d;
  --navy-2:#143a68;
  --navy-3:#08203c;
  --blue:#1a5fa8;
  --blue-light:#2f7fd0;
  --gold:#c8a44a;
  --gold-light:#e0c073;
  --ink:#1b2733;
  --body:#46586b;
  --muted:#7c8b9c;
  --line:#e4e9ef;
  --line-soft:#eef2f6;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;
  --bg-deep:#eef3f8;
  --radius:4px;
  --radius-lg:10px;
  --shadow-sm:0 2px 10px rgba(13,42,77,.06);
  --shadow:0 10px 30px rgba(13,42,77,.10);
  --shadow-lg:0 24px 60px rgba(13,42,77,.16);
  --container:1240px;
  --header-h:78px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px);}
body{
  margin:0;font-family:var(--sans);color:var(--body);background:var(--bg);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--blue-light);outline-offset:3px;}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container--narrow{max-width:960px;}
.section{padding:96px 0;}
.section--soft{background:var(--bg-soft);}
.section--deep{background:var(--navy);color:rgba(255,255,255,.78);}
.section--deep h2,.section--deep h3,.section--deep h4{color:#fff;}
.section--tight{padding:64px 0;}
.grid{display:grid;gap:28px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--gold);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold);}
.section-head{max-width:820px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow::after{content:"";width:28px;height:1px;background:var(--gold);}
.section-title{font-size:clamp(26px,3.2vw,40px);letter-spacing:.02em;}
.section-title .thin{font-weight:400;color:var(--blue);}
.section-sub{margin-top:18px;font-size:16.5px;color:var(--body);}
.section--deep .section-sub{color:rgba(255,255,255,.72);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border:1px solid transparent;border-radius:var(--radius);
  font-size:15px;font-weight:600;letter-spacing:.06em;
  transition:all .3s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(26,95,168,.28);}
.btn--primary:hover{background:var(--navy);color:#fff;transform:translateY(-2px);box-shadow:0 12px 30px rgba(13,42,77,.3);}
.btn--gold{background:var(--gold);color:#20180a;}
.btn--gold:hover{background:var(--gold-light);transform:translateY(-2px);}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.btn--ghost:hover{background:#fff;color:var(--navy);border-color:#fff;}
.btn--outline{border-color:var(--line);color:var(--ink);background:#fff;}
.btn--outline:hover{border-color:var(--blue);color:var(--blue);}
.btn .arrow{transition:transform .3s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}

.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:600;font-size:15px;}
.link-more:hover{color:var(--navy);}
.link-more .arrow{transition:transform .3s var(--ease);}
.link-more:hover .arrow{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);
  backdrop-filter:saturate(180%) blur(12px);
  transition:background .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand img{width:42px;height:42px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-cn{font-size:19px;font-weight:700;color:var(--navy);letter-spacing:.08em;transition:color .35s var(--ease);}
.brand-en{font-size:10px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;transition:color .35s var(--ease);}

.nav{display:flex;align-items:center;gap:2px;}
.nav > li{position:relative;}
.nav > li > a{
  display:block;padding:0 17px;line-height:var(--header-h);
  font-size:15.5px;font-weight:500;color:var(--ink);letter-spacing:.04em;position:relative;
}
.nav > li > a::after{
  content:"";position:absolute;left:17px;right:17px;bottom:24px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav > li > a:hover{color:var(--blue);}
.nav > li > a:hover::after,.nav > li.active > a::after{transform:scaleX(1);}
.nav > li.active > a{color:var(--blue);font-weight:600;}

.header-cta{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.header-tel{display:flex;flex-direction:column;line-height:1.2;text-align:right;}
.header-tel .label{font-size:11px;color:var(--muted);letter-spacing:.14em;}
.header-tel .num{font-size:18px;font-weight:700;color:var(--navy);font-family:Georgia,var(--sans);transition:color .35s var(--ease);}

/* 首屏透明态 */
.site-header.is-transparent{background:transparent;border-bottom-color:rgba(255,255,255,.18);box-shadow:none;}
.site-header.is-transparent .brand-cn,
.site-header.is-transparent .nav > li > a,
.site-header.is-transparent .header-tel .num{color:#fff;}
.site-header.is-transparent .brand-en,
.site-header.is-transparent .header-tel .label{color:rgba(255,255,255,.7);}
.site-header.is-transparent .nav > li > a:hover{color:var(--gold-light);}
.site-header.is-scrolled{box-shadow:0 4px 24px rgba(13,42,77,.08);}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);
  position:relative;flex-shrink:0;
}
.nav-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--ink);transition:all .3s var(--ease);}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg);}

/* ---------- 首页大图轮播 ---------- */
.hero{position:relative;height:min(100vh,860px);min-height:560px;overflow:hidden;background:var(--navy-3);}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.3s var(--ease);
  background-size:cover;background-position:center;
}
.hero-slide.is-active{opacity:1;}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(6,24,45,.88) 0%,rgba(8,30,56,.72) 45%,rgba(10,36,66,.35) 100%);
}
.hero-inner{
  position:relative;z-index:3;height:100%;display:flex;align-items:center;
  padding-top:var(--header-h);padding-bottom:175px;
}
.hero-content{max-width:800px;color:#fff;}
.hero-tag{
  display:inline-flex;align-items:center;gap:12px;padding:8px 18px;
  border:1px solid rgba(255,255,255,.32);border-radius:999px;
  font-size:13px;letter-spacing:.18em;color:rgba(255,255,255,.9);margin-bottom:26px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);}
.hero h1{
  color:#fff;font-size:clamp(32px,5.4vw,60px);line-height:1.22;letter-spacing:.03em;
  text-shadow:0 2px 24px rgba(0,0,0,.28);margin-bottom:22px;
}
.hero h1 .gold{color:var(--gold-light);}
.hero-desc{font-size:clamp(15px,1.5vw,18.5px);color:rgba(255,255,255,.85);max-width:640px;margin-bottom:38px;line-height:1.9;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;}

.hero-dots{position:absolute;left:0;right:0;bottom:130px;z-index:4;}
.hero-dots .container{display:flex;gap:12px;}
.hero-dots button{
  width:38px;height:3px;border:0;padding:0;background:rgba(255,255,255,.35);transition:background .3s var(--ease);
}
.hero-dots button.is-active{background:var(--gold);}

/* 首屏数据条 */
.hero-stats{
  position:absolute;left:0;right:0;bottom:0;z-index:4;
  background:rgba(9,31,57,.72);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats .container{display:grid;grid-template-columns:repeat(4,1fr);}
.hero-stat{padding:24px 20px;text-align:center;border-left:1px solid rgba(255,255,255,.12);}
.hero-stat:first-child{border-left:0;}
.hero-stat .num{font-size:clamp(26px,3vw,38px);font-weight:700;color:#fff;font-family:Georgia,var(--sans);line-height:1.1;}
.hero-stat .num .unit{font-size:16px;margin-left:4px;color:var(--gold-light);font-family:var(--sans);}
.hero-stat .label{font-size:13.5px;color:rgba(255,255,255,.68);letter-spacing:.1em;margin-top:6px;}

/* ---------- 内页页头 ---------- */
.page-hero{
  position:relative;padding:calc(var(--header-h) + 90px) 0 90px;
  background:var(--navy-3) center/cover no-repeat;color:#fff;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,24,45,.92) 0%,rgba(9,32,58,.76) 55%,rgba(11,38,68,.5) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{color:#fff;font-size:clamp(28px,4.4vw,46px);letter-spacing:.05em;margin-bottom:14px;}
.page-hero .lead{color:rgba(255,255,255,.8);max-width:720px;font-size:17px;margin:0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:22px;}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.5;}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent;}

/* 业务卡片 */
.svc-card{
  padding:38px 32px 34px;position:relative;background:#fff;border:1px solid var(--line);height:100%;
  transition:all .4s var(--ease);overflow:hidden;display:block;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent;}
.svc-card:hover::before{transform:scaleX(1);}
.svc-num{font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--gold);font-family:Georgia,serif;}
.svc-icon{width:52px;height:52px;margin:16px 0 20px;color:var(--blue);}
.svc-icon svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.4;}
.svc-card h3{font-size:20px;margin-bottom:12px;letter-spacing:.04em;}
.svc-card p{font-size:14.8px;color:var(--body);line-height:1.85;margin-bottom:16px;}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;}
.svc-tags span{font-size:12.5px;padding:3px 10px;background:var(--bg-soft);color:var(--muted);border-radius:2px;}

/* 项目卡片 */
.proj-card{position:relative;overflow:hidden;background:var(--navy);border-radius:var(--radius);height:100%;display:block;}
.proj-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--navy-2);}
.proj-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);}
.proj-card:hover .proj-media img{transform:scale(1.07);}
.proj-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,22,42,.94) 0%,rgba(6,22,42,.5) 38%,rgba(6,22,42,.05) 70%);
}
.proj-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px 24px;color:#fff;}
.proj-cat{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--gold-light);
  border:1px solid rgba(200,164,74,.55);padding:2px 10px;border-radius:2px;margin-bottom:10px;
}
.proj-body h3{color:#fff;font-size:17.5px;line-height:1.5;margin-bottom:8px;}
.proj-meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:rgba(255,255,255,.72);}
.proj-honor{
  margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.16);
  font-size:12.8px;color:var(--gold-light);
  max-height:0;overflow:hidden;opacity:0;transition:all .45s var(--ease);
}
.proj-card:hover .proj-honor{max-height:140px;opacity:1;}

/* 项目筛选 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:46px;}
.filter-bar button{
  padding:10px 22px;border:1px solid var(--line);background:#fff;border-radius:999px;
  font-size:14.5px;color:var(--body);transition:all .3s var(--ease);letter-spacing:.04em;
}
.filter-bar button:hover{border-color:var(--blue);color:var(--blue);}
.filter-bar button.is-active{background:var(--navy);border-color:var(--navy);color:#fff;}
.proj-item.is-hidden{display:none;}

/* ---------- 关于/图文 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center;}
.split--reverse .split-media{order:2;}
.split-media{position:relative;}
.split-media img{width:100%;border-radius:var(--radius);}
.split-media .badge{
  position:absolute;right:-24px;bottom:-24px;background:var(--navy);color:#fff;
  padding:26px 30px;border-radius:var(--radius);box-shadow:var(--shadow-lg);text-align:center;
}
.split-media .badge .n{font-size:38px;font-weight:700;font-family:Georgia,serif;line-height:1;color:var(--gold-light);}
.split-media .badge .t{font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.78);margin-top:8px;}
.split-body p{font-size:16px;line-height:2;color:var(--body);}

.feature-list{display:grid;gap:18px;margin-top:28px;}
.feature-list li{display:flex;gap:14px;align-items:flex-start;font-size:15.5px;color:var(--body);}
.feature-list .tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;background:rgba(26,95,168,.1);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:5px;font-weight:700;
}

/* ---------- 数据条 ---------- */
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.stats-strip .item{background:#fff;padding:38px 24px;text-align:center;}
.stats-strip .n{font-size:clamp(30px,3.6vw,44px);font-weight:700;color:var(--navy);font-family:Georgia,var(--sans);line-height:1.1;}
.stats-strip .n .unit{font-size:16px;color:var(--gold);margin-left:4px;font-family:var(--sans);}
.stats-strip .t{font-size:14.5px;color:var(--muted);margin-top:8px;letter-spacing:.08em;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;}
.timeline::before{content:"";position:absolute;left:120px;top:6px;bottom:6px;width:1px;background:var(--line);}
.tl-item{position:relative;display:grid;grid-template-columns:120px 1fr;gap:40px;padding-bottom:40px;}
.tl-year{font-size:22px;font-weight:700;color:var(--navy);font-family:Georgia,var(--sans);text-align:right;line-height:1.4;}
.tl-body{position:relative;padding-left:4px;}
.tl-item::after{
  content:"";position:absolute;left:115px;top:9px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--gold);z-index:2;
}
.tl-body h4{font-size:17px;margin-bottom:8px;}
.tl-body p{font-size:14.8px;color:var(--body);margin:0;}

/* ---------- 荣誉 ---------- */
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.honor-card{
  background:#fff;border:1px solid var(--line);padding:28px 26px;position:relative;
  transition:all .35s var(--ease);border-left:3px solid var(--gold);
}
.honor-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.honor-card .yr{font-size:13px;color:var(--gold);font-weight:700;letter-spacing:.14em;font-family:Georgia,serif;}
.honor-card h4{font-size:16.5px;margin:8px 0 6px;line-height:1.6;}
.honor-card p{font-size:13.8px;color:var(--muted);margin:0;}

.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.cert-item{background:#fff;border:1px solid var(--line);padding:16px;transition:all .35s var(--ease);}
.cert-item:hover{box-shadow:var(--shadow);}
.cert-item img{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--bg-soft);}
.cert-item .cap{padding:16px 6px 4px;text-align:center;font-size:14.5px;color:var(--ink);font-weight:600;}
.cert-item .sub{text-align:center;font-size:13px;color:var(--muted);padding-bottom:8px;}

/* 奖项标签云 */
.award-tags{display:flex;flex-wrap:wrap;gap:12px;}
.award-tags li{
  padding:10px 20px;border:1px solid rgba(200,164,74,.4);border-radius:999px;
  font-size:14.5px;color:var(--ink);background:#fff;transition:all .3s var(--ease);
}
.award-tags li:hover{background:var(--gold);border-color:var(--gold);color:#231a06;}
.section--deep .award-tags li{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.86);}
.section--deep .award-tags li:hover{background:var(--gold);border-color:var(--gold);color:#231a06;}

/* ---------- 数字化 ---------- */
.digi-card{background:#fff;border:1px solid var(--line);padding:34px 30px;height:100%;transition:all .4s var(--ease);}
.digi-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.digi-card .ic{width:46px;height:46px;color:var(--blue);margin-bottom:18px;}
.digi-card .ic svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.4;}
.digi-card h3{font-size:18.5px;margin-bottom:10px;}
.digi-card p{font-size:14.8px;margin:0;}

/* ---------- 社会责任 ---------- */
.csr-card{position:relative;padding:34px 30px;background:#fff;border:1px solid var(--line);height:100%;}
.csr-card .yr{font-size:12.5px;letter-spacing:.16em;color:var(--gold);font-weight:700;}
.csr-card h3{font-size:18px;margin:10px 0 12px;}
.csr-card p{font-size:14.8px;margin:0;}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
.contact-item{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);}
.contact-item:last-child{border-bottom:0;}
.contact-item .ic{
  flex-shrink:0;width:46px;height:46px;border-radius:50%;background:var(--bg-soft);color:var(--blue);
  display:flex;align-items:center;justify-content:center;
}
.contact-item .ic svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;}
.contact-item h4{font-size:14px;color:var(--muted);font-weight:500;letter-spacing:.1em;margin-bottom:4px;}
.contact-item .val{font-size:17px;color:var(--ink);font-weight:600;line-height:1.6;}
.contact-item .val a:hover{color:var(--blue);}

.form-card{background:var(--bg-soft);padding:40px;border:1px solid var(--line);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--ink);margin-bottom:8px;font-weight:500;}
.field label .req{color:#c0392b;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);
  font-family:inherit;font-size:15px;color:var(--ink);transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,95,168,.1);
}
.field textarea{min-height:130px;resize:vertical;}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;}
.form-msg{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius);font-size:14.5px;}
.form-msg.ok{display:block;background:#eaf5ec;color:#1e6b34;border:1px solid #c6e3cd;}
.form-msg.err{display:block;background:#fdeeee;color:#a12c2c;border:1px solid #f2cccc;}

.map-box{
  position:relative;background:var(--bg-deep);border:1px solid var(--line);
  aspect-ratio:21/9;display:flex;align-items:center;justify-content:center;text-align:center;padding:30px;
}
.map-box .inner{max-width:560px;}
.map-box h3{font-size:20px;margin-bottom:10px;}
.map-box p{font-size:15px;margin-bottom:20px;}

/* ---------- CTA ---------- */
.cta{position:relative;padding:92px 0;background:var(--navy) center/cover no-repeat;color:#fff;overflow:hidden;}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,26,48,.94),rgba(10,36,66,.72));}
.cta .container{position:relative;z-index:2;text-align:center;}
.cta h2{color:#fff;font-size:clamp(24px,3.2vw,38px);margin-bottom:16px;letter-spacing:.06em;}
.cta p{color:rgba(255,255,255,.8);max-width:640px;margin:0 auto 34px;font-size:16.5px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy-3);color:rgba(255,255,255,.6);padding:72px 0 0;font-size:14.5px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px;}
.footer-brand .brand{margin-bottom:20px;}
.footer-brand .brand-cn{color:#fff;}
.footer-brand .brand-en{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14.2px;line-height:1.95;color:rgba(255,255,255,.55);max-width:340px;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:20px;letter-spacing:.1em;font-weight:600;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.6);font-size:14.2px;}
.footer-links a:hover{color:var(--gold-light);}
.footer-contact li{display:flex;gap:10px;margin-bottom:14px;line-height:1.7;color:rgba(255,255,255,.6);font-size:14.2px;}
.footer-contact .k{color:rgba(255,255,255,.4);flex-shrink:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--gold-light);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:90;width:46px;height:46px;border:0;border-radius:var(--radius);
  background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .35s var(--ease);
  box-shadow:var(--shadow);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--blue);}
.to-top svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav > li > a{padding:0 12px;font-size:15px;}
  .header-tel{display:none;}
  .split{gap:40px;}
}
@media (max-width:980px){
  :root{--header-h:66px;}
  .nav-toggle{display:block;}
  .site-header.is-transparent .nav-toggle{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35);}
  .site-header.is-transparent .nav-toggle span{background:#fff;}
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 0 40px;overflow-y:auto;
    transform:translateX(100%);transition:transform .38s var(--ease);border-top:1px solid var(--line);
  }
  .nav.is-open{transform:none;}
  .nav > li > a{line-height:1.6;padding:16px 24px;border-bottom:1px solid var(--line-soft);color:var(--ink) !important;}
  .nav > li > a::after{display:none;}
  .header-cta .btn{display:none;}
  .g3,.g4,.honor-grid,.cert-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .split--reverse .split-media{order:0;}
  .split-media .badge{right:16px;bottom:-18px;padding:20px 24px;}
  .contact-grid{grid-template-columns:1fr;gap:40px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
  .hero-stats .container{grid-template-columns:repeat(2,1fr);}
  .hero-stat:nth-child(odd){border-left:0;}
  .hero-stat:nth-child(n+3){border-top:1px solid rgba(255,255,255,.12);}
  .hero-dots{bottom:250px;}
  .hero-inner{padding-bottom:236px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .g2,.g3,.g4,.honor-grid,.cert-grid,.stats-strip{grid-template-columns:1fr;}
  .stats-strip .item{padding:28px 18px;}
  .form-row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .form-card{padding:26px 20px;}
  .timeline::before{left:8px;}
  .tl-item{grid-template-columns:1fr;gap:8px;padding-left:34px;padding-bottom:32px;}
  .tl-year{text-align:left;font-size:19px;}
  .tl-item::after{left:3px;top:10px;}
  .hero{height:auto;min-height:0;}
  .hero-inner{padding:calc(var(--header-h) + 60px) 0 258px;}
  .hero-dots{display:none;}
  .split-media .badge{position:static;margin-top:16px;display:inline-block;}
  .brand-cn{font-size:16.5px;}
  .brand img{width:36px;height:36px;}
  .page-hero{padding:calc(var(--header-h) + 60px) 0 60px;}
  .to-top{right:16px;bottom:16px;}
}
@media print{
  .site-header,.to-top,.hero-dots,.nav-toggle,.cta{display:none !important;}
  body{color:#000;}
}