/* ============================================================
   鼎燕生翼 · 官网共享样式
   Dingyang Shengyi Information Technology — Corporate Site
   Palette: Navy #0B1F3A / Gold #C6A45C / Soft #F4F6FA
   ============================================================ */

:root{
  --navy-950:#071226;
  --navy-900:#0A1830;
  --navy-800:#0B1F3A;
  --navy-700:#10294D;
  --navy-600:#16345F;
  --navy-500:#1E4276;
  --gold-500:#C6A45C;
  --gold-400:#D6B877;
  --gold-600:#A9863F;
  --blue-600:#1D5FBF;
  --blue-500:#2E6FD8;
  --ink-900:#101828;
  --ink-700:#344054;
  --ink-600:#475467;
  --ink-400:#98A2B3;
  --bg-soft:#F4F6FA;
  --bg-blue:#EDF2FB;
  --line:#E4E7EC;
  --white:#FFFFFF;
  --serif:'Noto Serif SC','Songti SC','STSong',serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
  --container:1200px;
  --radius:6px;
  --shadow-sm:0 1px 2px rgba(11,31,58,.06),0 1px 6px rgba(11,31,58,.05);
  --shadow-md:0 6px 24px rgba(11,31,58,.10);
  --shadow-lg:0 18px 48px rgba(11,31,58,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset / Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink-700);
  background:var(--white);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:inherit}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

::selection{background:var(--gold-400);color:var(--navy-900)}

:focus-visible{outline:2px solid var(--blue-500);outline-offset:2px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important;scroll-behavior:auto!important}
}

/* ---------- Typography helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.32em;font-weight:600;
  color:var(--gold-600);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold-500)}
.eyebrow.centered::after{content:"";width:26px;height:1px;background:var(--gold-500)}

h1,h2,h3,.serif{font-family:var(--serif);color:var(--navy-900);line-height:1.3;font-weight:600}

.section{padding:96px 0}
.section--soft{background:var(--bg-soft)}
.section--blue{background:var(--bg-blue)}
.section--dark{background:var(--navy-900);color:#C7D2E3}
.section--dark h2,.section--dark h3{color:var(--white)}
.section-head{max-width:760px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(28px,3.4vw,40px);margin:16px 0 14px}
.section-head .lead{color:var(--ink-600);font-size:16.5px}
.section--dark .section-head .lead{color:#9FB0C9}
.section-head .eyebrow.centered::before{display:none}
.section-head.center .eyebrow{justify-content:center}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy-950);color:#B9C6DA;font-size:13px;position:relative;z-index:60}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px}
.topbar a{color:#D8E0EE;transition:color .2s}
.topbar a:hover{color:var(--gold-400)}
.topbar .topbar-links{display:flex;gap:24px;align-items:center}
.topbar .topbar-links .sep{opacity:.25}
.topbar .topbar-group{display:flex;align-items:center;gap:8px}
.topbar svg{width:14px;height:14px;opacity:.8}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s,border-color .3s;
}
.site-header.scrolled{
  box-shadow:var(--shadow-md);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--navy-800),var(--navy-600));
  display:flex;align-items:center;justify-content:center;color:var(--gold-400);
  font-family:var(--serif);font-weight:700;font-size:19px;letter-spacing:.05em;
  box-shadow:inset 0 0 0 1px rgba(198,164,92,.4);
  position:relative;overflow:hidden;flex-shrink:0;
}
.brand-mark::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.25),transparent 55%)}
.brand-name{display:flex;flex-direction:column;line-height:1.2}
.brand-name .cn{font-family:var(--serif);font-weight:700;font-size:19px;color:var(--navy-900);letter-spacing:.06em}
.brand-name .en{font-size:10px;color:var(--ink-400);letter-spacing:.24em;text-transform:uppercase;margin-top:2px}

.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:10px 16px;font-size:15px;color:var(--ink-700);
  border-radius:var(--radius);transition:color .2s,background .2s;position:relative;font-weight:500;
}
.nav-links a:hover{color:var(--navy-800);background:var(--bg-soft)}
.nav-links a.active{color:var(--navy-800);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--gold-500);border-radius:2px;
}
.nav-cta{
  margin-left:14px;padding:10px 22px;border-radius:var(--radius);
  background:var(--navy-800);color:var(--white)!important;font-weight:600;font-size:14.5px;
  transition:background .25s,transform .25s;display:inline-flex;align-items:center;gap:8px;
}
.nav-cta:hover{background:var(--navy-600);transform:translateY(-1px)}

.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border-radius:var(--radius)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy-900);position:relative;transition:background .2s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--navy-900);transition:transform .25s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:rotate(45deg);top:0}
.nav-toggle.open span::after{transform:rotate(-45deg);top:0}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--white);
  min-height:min(92vh,860px);
  display:flex;align-items:center;
  background:var(--navy-900);
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.5}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(7,18,38,.94) 0%,rgba(11,31,58,.82) 42%,rgba(11,31,58,.35) 100%),
    linear-gradient(0deg,rgba(7,18,38,.9) 0%,transparent 30%);
}
.hero-gridlines{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(198,164,92,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(198,164,92,.08) 1px,transparent 1px);
  background-size:80px 80px;
  mask-image:radial-gradient(ellipse 90% 80% at 30% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 30% 40%,#000 30%,transparent 75%);
}
.hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  border:1px solid rgba(214,184,119,.45);border-radius:100px;
  padding:8px 18px;font-size:13px;color:var(--gold-400);letter-spacing:.18em;
  background:rgba(11,31,58,.4);backdrop-filter:blur(4px);
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold-400);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  color:var(--white);font-size:clamp(36px,5.2vw,62px);font-weight:600;
  line-height:1.22;margin:28px 0 8px;letter-spacing:.02em;
}
.hero h1 .gold{color:var(--gold-400)}
.hero-sub{
  font-size:clamp(16px,1.6vw,19px);color:#D3DCE9;max-width:620px;margin-top:18px;line-height:1.9;
}
.hero-sub strong{color:var(--gold-400);font-weight:600}
.hero-actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 32px;border-radius:var(--radius);
  font-size:15.5px;font-weight:600;letter-spacing:.04em;
  transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s;
}
.btn svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-gold{background:var(--gold-500);color:var(--navy-950)}
.btn-gold:hover{background:var(--gold-400);transform:translateY(-2px);box-shadow:0 10px 28px rgba(198,164,92,.4)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:var(--white)}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-navy{background:var(--navy-800);color:var(--white)}
.btn-navy:hover{background:var(--navy-600);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline{border:1px solid var(--navy-800);color:var(--navy-800)}
.btn-outline:hover{background:var(--navy-800);color:var(--white)}

.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:64px;border-top:1px solid rgba(255,255,255,.16);
  padding-top:28px;gap:24px;max-width:820px;
}
.hero-stat .num{
  font-family:var(--serif);font-size:clamp(28px,3vw,38px);font-weight:700;
  color:var(--gold-400);line-height:1.1;
}
.hero-stat .num em{font-style:normal;font-size:.62em;color:var(--gold-400);margin-left:2px}
.hero-stat .lbl{font-size:13.5px;color:#B7C4D8;margin-top:6px;letter-spacing:.06em}
.hero-scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;
  color:rgba(255,255,255,.7);font-size:12px;letter-spacing:.3em;display:flex;flex-direction:column;align-items:center;gap:8px;
}
.hero-scroll .line{width:1px;height:44px;background:linear-gradient(var(--gold-400),transparent);animation:scrollHint 2s infinite}
@keyframes scrollHint{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  position:relative;color:var(--white);padding:96px 0 84px;
  background:var(--navy-900);overflow:hidden;
}
.page-hero .bg{position:absolute;inset:0}
.page-hero .bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.page-hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,18,38,.85),rgba(11,31,58,.55))}
.page-hero .container{position:relative;z-index:2}
.page-hero .crumbs{font-size:13px;color:#9FB0C9;margin-bottom:20px;display:flex;gap:8px;align-items:center}
.page-hero .crumbs a:hover{color:var(--gold-400)}
.page-hero .crumbs .sep{opacity:.5}
.page-hero h1{color:var(--white);font-size:clamp(30px,3.8vw,46px)}
.page-hero .sub{color:#C4D0E2;max-width:640px;margin-top:16px;font-size:16.5px}

/* ---------- Feature split rows ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split + .split{margin-top:88px}
.split .media{position:relative;border-radius:8px;overflow:hidden;box-shadow:var(--shadow-lg)}
.split .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split .media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(11,31,58,.08);border-radius:8px}
.split .media .tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(7,18,38,.78);backdrop-filter:blur(4px);color:var(--gold-400);
  font-size:12.5px;letter-spacing:.22em;padding:8px 16px;border-radius:4px;
  border:1px solid rgba(198,164,92,.4);
}
.split .body h3{font-size:26px;margin:14px 0 16px}
.split .body p{color:var(--ink-600);margin-bottom:12px}
.split .body .points{margin-top:18px;display:grid;gap:12px}
.split .body .points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-700)}
.split .body .points svg{width:18px;height:18px;color:var(--gold-600);flex-shrink:0;margin-top:3px}
.split.rev .media{order:2}
.split.rev .body{order:1}

/* ---------- Cards ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:8px;
  padding:32px 28px;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
  position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold-500);transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#D8DEE8}
.card:hover::before{transform:scaleY(1)}
.card .icon{
  width:52px;height:52px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-blue);color:var(--navy-700);margin-bottom:20px;
}
.card .icon svg{width:26px;height:26px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--ink-600)}
.card .more{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:14px;font-weight:600;color:var(--navy-700);
  transition:gap .25s var(--ease),color .2s;
}
.card .more svg{width:15px;height:15px}
.card:hover .more{gap:12px;color:var(--gold-600)}

/* product image cards */
.pcard{border-radius:8px;overflow:hidden;background:var(--white);border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.pcard .thumb{position:relative;overflow:hidden;aspect-ratio:1/1}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.pcard:hover .thumb img{transform:scale(1.06)}
.pcard .thumb .badge{
  position:absolute;left:14px;top:14px;background:rgba(7,18,38,.82);color:var(--gold-400);
  font-size:12px;letter-spacing:.14em;padding:6px 12px;border-radius:4px;border:1px solid rgba(198,164,92,.4);
}
.pcard .pbody{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1}
.pcard .pbody h3{font-size:17.5px;margin-bottom:8px}
.pcard .pbody p{font-size:14px;color:var(--ink-600);flex:1}
.pcard .pbody .tagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.pcard .pbody .tagrow span{font-size:12px;color:var(--navy-600);background:var(--bg-blue);border:1px solid #DCE5F5;padding:4px 10px;border-radius:4px}

/* news card */
.ncard{border-radius:8px;overflow:hidden;background:var(--white);border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.ncard .thumb{aspect-ratio:4/3;overflow:hidden;position:relative}
.ncard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.ncard:hover .thumb img{transform:scale(1.05)}
.ncard .thumb .date{
  position:absolute;right:14px;bottom:14px;background:rgba(7,18,38,.82);color:var(--gold-400);
  font-size:12.5px;padding:6px 12px;border-radius:4px;letter-spacing:.06em;border:1px solid rgba(198,164,92,.35);
}
.ncard .nbody{padding:22px;display:flex;flex-direction:column;flex:1}
.ncard .nbody .cat{font-size:12.5px;color:var(--gold-600);letter-spacing:.18em;font-weight:600}
.ncard .nbody h3{font-size:17px;margin:10px 0 8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard .nbody p{font-size:13.8px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.ncard .nbody .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--navy-700);transition:gap .25s,color .2s}
.ncard .nbody .more svg{width:14px;height:14px}
.ncard:hover .nbody .more{gap:10px;color:var(--gold-600)}

/* ---------- Stat band ---------- */
.stats-band{background:var(--navy-900);color:var(--white);position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;inset:0;opacity:.35;
  background-image:radial-gradient(circle at 85% 20%,rgba(46,111,216,.28),transparent 45%),radial-gradient(circle at 10% 90%,rgba(198,164,92,.16),transparent 40%)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.stat-item{text-align:center;padding:14px 8px}
.stat-item .num{font-family:var(--serif);font-size:clamp(34px,4vw,50px);font-weight:700;color:var(--gold-400);line-height:1.15}
.stat-item .num em{font-style:normal;font-size:.55em;margin-left:2px}
.stat-item .lbl{font-size:14px;color:#B9C6DA;margin-top:8px;letter-spacing:.1em}
.stat-item + .stat-item{border-left:1px solid rgba(255,255,255,.12)}

/* ---------- Qualification badges ---------- */
.quali{display:flex;align-items:center;gap:14px;background:var(--white);border:1px solid var(--line);border-radius:8px;padding:20px 22px;transition:transform .3s var(--ease),box-shadow .3s}
.quali:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.quali .qi{width:44px;height:44px;border-radius:8px;background:linear-gradient(135deg,var(--navy-800),var(--navy-600));color:var(--gold-400);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.quali .qi svg{width:22px;height:22px}
.quali h4{font-size:15.5px;color:var(--navy-900);font-family:var(--serif);line-height:1.4}
.quali p{font-size:12.8px;color:var(--ink-400);margin-top:3px;line-height:1.5}

/* ---------- Timeline ---------- */
.timeline{display:grid;grid-template-columns:88px 44px 1fr;row-gap:0;position:relative}
.timeline::before{content:"";position:absolute;left:110px;top:0;bottom:0;width:1px;background:linear-gradient(var(--gold-500),rgba(198,164,92,.15))}
.tl-item{display:contents}
.tl-item .tl-time{
  padding:22px 0;font-family:var(--serif);font-weight:700;font-size:18px;color:var(--navy-800);
  text-align:right;line-height:1.3;
}
.tl-item .tl-time small{display:block;font-family:var(--sans);font-weight:500;font-size:11.5px;color:var(--ink-400);letter-spacing:.1em;margin-top:2px}
.tl-item .tl-axis{display:flex;justify-content:center;padding:22px 0}
.tl-item .tl-axis .dot{
  width:13px;height:13px;border-radius:50%;background:var(--white);
  border:3px solid var(--gold-500);box-shadow:0 0 0 4px rgba(198,164,92,.18);
  z-index:1;margin-top:4px;
}
.tl-item .tl-card{
  padding:18px 24px;margin:10px 0;background:var(--white);
  border:1px solid var(--line);border-left:3px solid var(--gold-500);
  border-radius:6px;transition:transform .3s var(--ease),box-shadow .3s;
}
.tl-item .tl-card:hover{transform:translateX(6px);box-shadow:var(--shadow-sm)}
.tl-item .tl-card h4{font-size:16px;color:var(--navy-900);font-family:var(--serif)}
.tl-item .tl-card p{font-size:13.8px;color:var(--ink-600);margin-top:5px}

/* ---------- Group structure ---------- */
.org{display:grid;grid-template-columns:1fr;gap:14px;max-width:760px;margin:0 auto}
.org-box{
  border:1px solid var(--line);border-radius:8px;padding:22px 28px;text-align:center;
  background:var(--white);transition:transform .3s var(--ease),box-shadow .3s;
}
.org-box:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.org-box .org-en{font-size:11px;letter-spacing:.24em;color:var(--ink-400);text-transform:uppercase}
.org-box h4{font-size:18px;font-family:var(--serif);color:var(--navy-900);margin-top:4px}
.org-box p{font-size:13px;color:var(--ink-600);margin-top:6px}
.org-box.hl{background:linear-gradient(135deg,var(--navy-800),var(--navy-600));border-color:var(--navy-700)}
.org-box.hl .org-en{color:rgba(214,184,119,.8)}
.org-box.hl h4{color:var(--white)}
.org-box.hl p{color:#B9C6DA}
.org-link{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--gold-600);font-size:13px;letter-spacing:.1em}
.org-link svg{width:16px;height:16px}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--white)}
table{width:100%;border-collapse:collapse;table-layout:fixed;min-width:680px}
caption{caption-side:top;text-align:left;padding:18px 22px;font-family:var(--serif);font-weight:600;color:var(--navy-900);font-size:17px;border-bottom:1px solid var(--line)}
thead th{
  background:var(--navy-800);color:var(--white);text-align:left;
  padding:14px 20px;font-size:13.5px;font-weight:600;letter-spacing:.08em;
}
tbody td{padding:14px 20px;font-size:14px;color:var(--ink-700);border-top:1px solid var(--line);vertical-align:middle}
tbody tr:nth-child(even){background:var(--bg-soft)}
tbody tr:hover{background:var(--bg-blue)}
tbody td .cn{display:inline-block;font-size:12px;color:var(--navy-600);background:var(--bg-blue);border:1px solid #DCE5F5;padding:3px 9px;border-radius:4px;margin:2px 4px 2px 0}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--navy-900);color:var(--white);text-align:center;padding:88px 0}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.4;
  background-image:radial-gradient(circle at 20% 30%,rgba(46,111,216,.3),transparent 50%),radial-gradient(circle at 80% 70%,rgba(198,164,92,.2),transparent 45%)}
.cta-band .container{position:relative}
.cta-band h2{color:var(--white);font-size:clamp(26px,3.2vw,38px)}
.cta-band p{color:#B9C6DA;max-width:560px;margin:16px auto 34px;font-size:16px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);color:#93A3BC;font-size:14px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;padding:72px 0 48px}
.footer-brand .brand-name .cn{color:var(--white)}
.footer-brand p{margin-top:18px;font-size:13.8px;line-height:1.9;max-width:320px}
.footer-col h5{color:var(--white);font-size:15px;font-family:var(--serif);margin-bottom:20px;letter-spacing:.08em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#93A3BC;transition:color .2s,padding-left .2s;font-size:14px}
.footer-col a:hover{color:var(--gold-400);padding-left:4px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-contact svg{width:16px;height:16px;color:var(--gold-500);flex-shrink:0;margin-top:4px}
.footer-contact li+li{margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0}
.footer-bottom .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.8px}
.footer-bottom a:hover{color:var(--gold-400)}
.footer-bottom .icp{display:flex;gap:20px;align-items:center;flex-wrap:wrap}

/* ---------- 实施流程 5 列 / 联系页双栏 ---------- */
.grid-flow{display:grid;gap:20px;grid-template-columns:repeat(5,1fr)}
.contact-main{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:64px;align-items:start}
@media (max-width:1024px){.grid-flow{grid-template-columns:repeat(3,1fr)}}
@media (max-width:768px){.grid-flow{grid-template-columns:1fr}.contact-main{grid-template-columns:1fr;margin-top:48px}}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,24px);z-index:200;
  background:var(--navy-900);color:var(--white);padding:14px 26px;border-radius:8px;
  font-size:14.5px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s var(--ease);display:flex;align-items:center;gap:10px;
  max-width:calc(100vw - 48px);border:1px solid rgba(198,164,92,.4);
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast svg{width:18px;height:18px;color:var(--gold-400);flex-shrink:0}

/* ---------- Back to top ---------- */
.backtop{
  position:fixed;right:26px;bottom:26px;z-index:90;width:46px;height:46px;border-radius:50%;
  background:var(--navy-800);color:var(--gold-400);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .3s,transform .3s var(--ease),background .25s;
}
.backtop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.backtop:hover{background:var(--navy-600)}
.backtop svg{width:20px;height:20px}

/* ---------- Contact page ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cinfo{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:28px 24px;text-align:center;transition:transform .3s var(--ease),box-shadow .3s}
.cinfo:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.cinfo .ci{width:54px;height:54px;margin:0 auto 16px;border-radius:50%;background:var(--bg-blue);color:var(--navy-700);display:flex;align-items:center;justify-content:center}
.cinfo .ci svg{width:26px;height:26px}
.cinfo h4{font-size:15px;font-family:var(--serif);color:var(--navy-900)}
.cinfo p{font-size:14px;color:var(--ink-600);margin-top:8px;line-height:1.8;word-break:break-all}

.contact-form{
  background:var(--white);border:1px solid var(--line);border-radius:8px;padding:40px;
  box-shadow:var(--shadow-sm);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-item{display:flex;flex-direction:column;gap:8px}
.form-item.full{grid-column:1/-1}
.form-item label{font-size:14px;font-weight:600;color:var(--navy-900)}
.form-item label em{color:#C0392B;font-style:normal}
.form-item input,.form-item select,.form-item textarea{
  border:1px solid var(--line);border-radius:6px;padding:13px 16px;font-size:15px;
  color:var(--ink-900);background:var(--white);transition:border-color .2s,box-shadow .2s;width:100%;
}
.form-item textarea{min-height:130px;resize:vertical}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{
  outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(46,111,216,.14);
}
.form-note{font-size:13px;color:var(--ink-400);margin-top:6px}

/* ---------- Page banner inside content (news list item) ---------- */
.news-list{display:grid;gap:24px}
.news-row{
  display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:8px;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s;
}
.news-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.news-row .thumb{position:relative;height:100%;min-height:200px}
.news-row .thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.news-row .nbody{padding:26px 28px 26px 0}
.news-row .nbody .meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-400)}
.news-row .nbody .meta .cat{color:var(--gold-600);letter-spacing:.16em;font-weight:600}
.news-row .nbody h3{font-size:20px;margin:12px 0 10px;transition:color .2s}
.news-row:hover .nbody h3{color:var(--gold-600)}
.news-row .nbody p{font-size:14.5px;color:var(--ink-600)}
.news-row .nbody .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--navy-700)}
.news-row .nbody .more svg{width:15px;height:15px}
.news-row:hover .nbody .more{gap:10px;color:var(--gold-600)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .contact-cards{grid-template-columns:repeat(2,1fr)}
  .footer-main{grid-template-columns:1fr 1fr;gap:40px}
  .split{grid-template-columns:1fr;gap:36px}
  .split.rev .media{order:0}
  .split.rev .body{order:0}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:22px}
  .timeline{grid-template-columns:72px 36px 1fr}
  .timeline::before{left:90px}
}
@media (max-width:768px){
  .nav-toggle{display:flex;width:44px;height:44px}
  .topbar{height:auto;min-height:38px;padding:7px 0}
  .topbar .container{height:auto;text-align:center;line-height:1.55;flex-direction:column;gap:2px}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
    background:var(--white);flex-direction:column;align-items:flex-start;
    padding:96px 28px 40px;gap:4px;z-index:80;
    transform:translateX(100%);transition:transform .35s var(--ease);
    box-shadow:-12px 0 40px rgba(7,18,38,.18);
  }
  .nav-links.open{transform:none}
  .nav-links a{width:100%;font-size:17px;padding:14px 8px;border-bottom:1px solid var(--bg-soft)}
  .nav-links a.active::after{display:none}
  .nav-cta{margin:18px 0 0;width:100%;justify-content:center}
  .nav-backdrop{position:fixed;inset:0;background:rgba(7,18,38,.5);z-index:70;opacity:0;pointer-events:none;transition:opacity .3s}
  .nav-backdrop.show{opacity:1;pointer-events:auto}
  .topbar .container{justify-content:center}
  .topbar .topbar-links{display:none}
  .hero{min-height:82vh}
  .hero .container{padding-top:56px;padding-bottom:56px}
  .hero-actions .btn{width:100%;justify-content:center}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .stat-item + .stat-item{border-left:none}
  .section-head{margin-bottom:40px}
  .news-row{grid-template-columns:1fr}
  .news-row .thumb{min-height:180px;position:relative}
  .news-row .thumb img{position:absolute}
  .news-row .nbody{padding:22px}
  .contact-cards{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .contact-form{padding:28px 22px}
  .footer-main{grid-template-columns:1fr;gap:36px}
  .footer-bottom .container{justify-content:center;text-align:center}
  .timeline{grid-template-columns:64px 30px 1fr}
  .timeline::before{left:79px}
  .tl-item .tl-time{font-size:15px}
  .tl-item .tl-card{padding:14px 16px}
}
@media (max-width:480px){
  .form-item input,.form-item select,.form-item textarea{font-size:16px}
  .quali p{font-size:13px}
  .grid-4{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;padding-left:6px}
  .timeline::before{left:12px}
  .tl-item .tl-time{text-align:left;padding:6px 0 0 34px}
  .tl-item .tl-axis{justify-content:flex-start;padding:0;position:relative}
  .tl-item .tl-axis .dot{margin:0 0 0 6px}
  .tl-item .tl-card{margin:4px 0 18px 34px}
}