/* ============================================================
   译成文化 YICHENG — 企业官网样式
   第一版配色回归 · 纯白底 + 青(teal)为主 + 金(gold)点缀
   ============================================================ */

:root{
  /* 底色层级 —— 纯白 / 极浅蓝灰 / 白卡片 */
  --bg:#ffffff;
  --bg-soft:#f1f6f4;
  --bg-card:#ffffff;
  --bg-card-2:#eef5f3;

  /* 文字 */
  --text-strong:#0e2622;   /* 标题 */
  --text:#36473f;          /* 正文 */
  --muted:#5f7068;         /* 次级文字 */
  --muted-2:#93a39b;       /* 辅助文字 */
  --on-dark:#eafaf6;       /* 深底上的浅字 */
  --on-dark-mut:rgba(234,250,246,.76);

  /* 线条 */
  --line:rgba(13,45,42,.10);
  --line-strong:rgba(13,45,42,.18);

  /* 主色：青(teal) 为主 + 金(gold) 点缀 —— 第一版配色，白底 */
  --primary:#14b8a6;        /* 青（主色） */
  --primary-600:#0d9488;    /* 深一档青，用于同色渐变 / hover */
  --primary-700:#0f766e;
  --primary-2:#c2881f;      /* 金（点缀） */
  --gold:#c2881f;
  --gold-bright:#f5b942;
  --primary-dk:#0b3b36;     /* 深青，CTA/页脚收尾 */
  --primary-dk-2:#062a26;
  --primary-soft:rgba(13,148,136,.08);
  --primary-soft-2:rgba(13,148,136,.14);
  --gold-soft:rgba(194,136,31,.10);
  --on-dark-accent:#5eead4; /* 深底上的亮青 */

  /* 兼容旧名 */
  --accent:var(--primary);
  --accent-2:var(--primary-2);

  --radius:18px;
  --radius-sm:12px;
  --maxw:1240px;
  --shadow:0 20px 50px -24px rgba(13,70,64,.20);
  --shadow-sm:0 10px 30px -18px rgba(13,70,64,.24);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:104px 0;position:relative}
.section-sm{padding:72px 0}
.section.alt{background:var(--bg-soft)}

/* 背景装饰 */
.bg-grid{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);
          mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);
  opacity:.55;
}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:1;z-index:0;pointer-events:none}
.glow-teal{background:radial-gradient(circle,rgba(13,148,136,.14),transparent 70%);width:520px;height:520px;top:-160px;right:-120px;opacity:.7}
.glow-gold{background:radial-gradient(circle,rgba(194,136,31,.12),transparent 70%);width:420px;height:420px;bottom:-140px;left:-120px;opacity:.6}

/* ===== 文字 / 标题 ===== */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--primary);font-weight:600}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--primary);display:inline-block;border-radius:2px}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:.3px;color:var(--text-strong)}
.section-title{font-size:clamp(28px,4vw,42px);margin:18px 0 14px}
.section-sub{color:var(--muted);max-width:640px;font-size:16px}
.text-accent{color:var(--primary)}
.text-gold{color:var(--primary-2)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:999px;
  font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.28s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-600));color:#fff;
  box-shadow:0 12px 28px -12px rgba(13,148,136,.55)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 38px -12px rgba(13,148,136,.7)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.6)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.btn .arrow{transition:.28s}
.btn:hover .arrow{transform:translateX(4px)}

/* ===== 顶部导航 ===== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s;
  padding:20px 0;border-bottom:1px solid transparent}
.navbar.scrolled{background:rgba(255,255,255,.88);backdrop-filter:blur(14px);
  padding:13px 0;border-bottom:1px solid var(--line);box-shadow:0 8px 24px -18px rgba(13,70,64,.4)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:1px;color:var(--text-strong)}
.brand .mark{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-600));color:#fff;font-weight:900;font-size:18px;
  box-shadow:0 6px 18px -6px rgba(13,148,136,.5)}
.brand small{display:block;font-size:11px;letter-spacing:3px;color:var(--muted);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{position:relative;padding:10px 16px;font-size:15px;color:var(--muted);border-radius:10px;transition:.25s}
.nav-links a:hover{color:var(--text-strong)}
.nav-links a.active{color:var(--text-strong);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-phone{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--text-strong)}
.nav-phone .ic{width:30px;height:30px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center}
.lang{font-size:13px;color:var(--muted);border:1px solid var(--line-strong);padding:6px 12px;border-radius:999px;transition:.25s}
.lang:hover{border-color:var(--primary);color:var(--primary)}
.hamburger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);
  background:transparent;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.hamburger span{width:20px;height:2px;background:var(--text-strong);display:block;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;min-height:clamp(520px,80vh,760px);display:flex;align-items:center;overflow:hidden;padding:92px 0 58px;
  background:linear-gradient(180deg,#e6f4f1 0%,#eaf6f3 45%,#ffffff 100%)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg .slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;display:flex;align-items:center;background-size:cover;background-position:center}
.hero-bg .slide.active{opacity:1}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 72% 18%,rgba(194,136,31,.14),transparent 55%)}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5}
.orb1{width:460px;height:460px;background:radial-gradient(circle,rgba(13,148,136,.18),transparent 70%);top:8%;left:-80px}
.orb2{width:380px;height:380px;background:radial-gradient(circle,rgba(194,136,31,.16),transparent 70%);bottom:6%;right:-60px}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-tag{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.6);font-size:13px;color:var(--muted);margin-bottom:20px}
.hero-tag b{color:var(--primary);font-weight:700}
.hero h1{font-size:clamp(30px,4.4vw,56px);line-height:1.15;letter-spacing:.5px;max-width:18ch}
.hero h1 .grad{color:var(--primary-2);-webkit-text-fill-color:var(--primary-2);text-shadow:0 0 28px rgba(194,136,31,.24)}
.hero p.lead{margin:18px 0 30px;font-size:clamp(15px,1.6vw,18px);color:var(--muted);max-width:58ch}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:32px;right:34px;left:auto;transform:none;z-index:3;color:var(--muted-2);
  font-size:12px;letter-spacing:3px;display:flex;flex-direction:column;align-items:center;gap:10px}
.hero-scroll .mouse{width:22px;height:36px;border:2px solid var(--muted-2);border-radius:14px;position:relative}
.hero-scroll .mouse::after{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);
  width:3px;height:7px;background:var(--primary);border-radius:3px;animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}
.slide-dots{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);z-index:4;display:flex;gap:10px}
.slide-dots button{width:30px;height:4px;border-radius:3px;border:0;background:var(--line-strong);cursor:pointer;transition:.3s}
.slide-dots button:hover{background:var(--primary);opacity:.7;transform:scaleY(1.6)}
.slide-dots button.active{background:var(--primary);width:46px}
.slide-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(20,184,166,.12);z-index:4}
.slide-progress span{display:block;height:100%;width:100%;background:var(--primary);transform:scaleX(0);transform-origin:left center}

/* ===== 数据统计条 ===== */
.stats{position:relative;z-index:4;margin-top:0}
.stats-card{background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.stat{padding:38px 30px;text-align:center;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:0;top:22%;height:56%;width:1px;background:var(--line)}
.stat .num{font-size:clamp(34px,4vw,48px);font-weight:800;color:var(--text-strong);line-height:1}
.stat .num .u{font-size:.5em;color:var(--primary);margin-left:4px;font-weight:700}
.stat .label{margin-top:10px;color:var(--muted);font-size:15px;letter-spacing:1px}

/* ===== 通用区块头 ===== */
.head{text-align:center;max-width:720px;margin:0 auto 60px}
.head .eyebrow{justify-content:center}
.head .section-sub{margin:0 auto}

/* ===== 五大核心能力 ===== */
.core-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.core-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 22px;
  text-align:center;transition:.3s;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.core-card:hover{border-color:var(--primary);transform:translateY(-6px);box-shadow:0 24px 50px -26px rgba(13,148,136,.35)}
.core-card .ic{width:60px;height:60px;margin:0 auto 18px;border-radius:16px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary)}
.core-card h4{font-size:17px;margin-bottom:8px}
.core-card p{font-size:13px;color:var(--muted);line-height:1.6}

/* ===== 关于我们（首页预览）===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev{grid-template-columns:1.05fr .95fr}
.about-visual{position:relative;border-radius:var(--radius);overflow:hidden;min-height:420px;
  background:radial-gradient(circle at 30% 20%,#e3f1ee,#f1f7f5 70%);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.about-visual .ring{position:absolute;inset:0;background:
  conic-gradient(from 200deg,transparent,rgba(13,148,136,.16),transparent 40%) ;border-radius:50%;
  width:120%;height:120%;top:-10%;left:-10%;animation:spin 18s linear infinite}
.about-visual .badge{position:absolute;left:24px;bottom:24px;background:rgba(255,255,255,.8);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.about-visual .badge .big{font-size:30px;font-weight:800;color:var(--primary)}
.about-visual .badge .sm{font-size:13px;color:var(--muted)}
@keyframes spin{to{transform:rotate(360deg)}}
.about-text h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:20px}
.about-text p{color:var(--muted);margin-bottom:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px}
.tag{font-size:13px;padding:8px 16px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:var(--bg-card)}
.tag b{color:var(--primary)}

/* ===== 服务卡片 ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  transition:.3s;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.svc-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--primary),var(--primary-600));transition:.4s}
.svc-card:hover{border-color:var(--line-strong);transform:translateY(-6px);box-shadow:0 24px 50px -26px rgba(13,148,136,.35)}
.svc-card:hover::before{width:100%}
.svc-card .ic{width:56px;height:56px;border-radius:14px;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;margin-bottom:22px}
.svc-card h3{font-size:20px;margin-bottom:10px}
.svc-card p{color:var(--muted);font-size:15px;margin-bottom:18px}
.svc-card ul{display:flex;flex-direction:column;gap:8px}
.svc-card li{font-size:14px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.svc-card li::before{content:"▹";color:var(--primary)}
a.svc-card{text-decoration:none;color:inherit;display:block}
.svc-more{display:inline-flex;align-items:center;gap:6px;margin-top:6px;font-size:14px;font-weight:700;color:var(--primary)}
.svc-more .arrow{transition:.3s;display:inline-block}
a.svc-card:hover .svc-more .arrow{transform:translateX(4px)}

/* ===== 优势 四宫格 ===== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.adv-card{background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius);padding:34px 28px;transition:.3s;box-shadow:var(--shadow-sm)}
.adv-card:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:0 24px 50px -26px rgba(13,148,136,.35)}
.adv-card .num{font-size:14px;color:var(--primary);font-weight:700;letter-spacing:2px;margin-bottom:16px;display:block}
.adv-card h4{font-size:19px;margin-bottom:12px}
.adv-card p{color:var(--muted);font-size:14px}
/* ===== 行业领域 ===== */
.fields{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;max-width:900px;margin:0 auto}
.field{font-size:15px;padding:12px 22px;border:1px solid var(--line);border-radius:999px;color:var(--muted);transition:.25s;background:var(--bg-card)}
.field:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
/* ===== CTA ===== */
.cta-box{position:relative;overflow:hidden;border-radius:26px;padding:64px 48px;text-align:center;
  background:linear-gradient(135deg,var(--primary-dk),var(--primary-dk-2));border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)}
.cta-box::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(194,136,31,.42),transparent 70%);top:-120px;left:50%;transform:translateX(-50%);filter:blur(40px)}
.cta-box h2{font-size:clamp(26px,3.4vw,38px);position:relative;color:#f4f8ff}
.cta-box p{color:rgba(244,248,255,.78);max-width:560px;margin:16px auto 30px;position:relative}
.cta-box .btn-primary{background:#fff;color:var(--primary);box-shadow:0 12px 28px -12px rgba(0,0,0,.4)}
.cta-box .btn-primary:hover{background:#eef4ff}
.cta-box .btn-ghost{border-color:rgba(255,255,255,.3);color:#f4f8ff;background:rgba(255,255,255,.06)}
.cta-box .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12)}

/* ===== 页脚 ===== */
.footer{background:linear-gradient(135deg,var(--primary-dk),var(--primary-dk-2));padding:70px 0 30px;border-top:1px solid rgba(255,255,255,.06)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand p{color:var(--on-dark-mut);font-size:14px;margin:18px 0;max-width:300px}
.foot-brand .qr-row{justify-content:flex-start;margin-top:6px}
.foot-col h5{font-size:15px;margin-bottom:18px;letter-spacing:1px;color:#f4f8ff}
.foot-col a{display:block;color:rgba(244,248,255,.62);font-size:14px;padding:7px 0;transition:.2s}
.foot-col a:hover{color:var(--on-dark-accent)}
.foot-contact p{display:flex;gap:10px;align-items:center;color:var(--on-dark-mut);font-size:14px;margin-bottom:12px}
.foot-contact .ic{width:30px;height:30px;border-radius:8px;background:rgba(255,255,255,.10);color:var(--on-dark-accent);display:grid;place-items:center;flex-shrink:0}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:24px;display:flex;
  justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;color:rgba(244,248,255,.55);font-size:13px}
.foot-bottom a{color:rgba(244,248,255,.55)}
.foot-bottom a:hover{color:var(--on-dark-accent)}
.qr{width:112px;height:112px;border-radius:14px;background:#fff;border:1px solid rgba(255,255,255,.16);
  display:grid;place-items:center;color:rgba(244,248,255,.7);font-size:11px;text-align:center;padding:6px;line-height:1.4;
  overflow:hidden;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.qr img{width:100%;height:100%;object-fit:contain;border-radius:0;display:block}
.qr-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:6px;justify-content:center}
.qr-row .qr{width:104px;height:104px}

/* ===== 内页通用 ===== */
.page-hero{position:relative;padding:160px 0 80px;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#eaf6f3,#ffffff)}
.page-hero h1{font-size:clamp(32px,5vw,56px);margin:14px 0}
.page-hero p{color:var(--muted);max-width:640px;font-size:17px}
.breadcrumb{font-size:13px;color:var(--muted-2);letter-spacing:1px}
.breadcrumb b{color:var(--primary)}

/* ===== 服务详情页 ===== */
.detail-hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px}
.detail-hero-stats .hs{display:flex;flex-direction:column;min-width:120px}
.detail-hero-stats .hs .bar{width:34px;height:3px;background:var(--primary);border-radius:2px;margin-bottom:12px}
.detail-hero-stats .hs .n{font-size:25px;font-weight:800;color:var(--primary);line-height:1.15}
.detail-hero-stats .hs .t{font-size:13px;color:var(--muted);margin-top:6px}

.cap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:8px}
.cap-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.25s}
.cap-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.cap-card .num{width:36px;height:36px;border-radius:10px;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:14px}
.cap-card h3{font-size:17px;margin-bottom:10px}
.cap-card p{font-size:14px;color:var(--muted);line-height:1.7}
.cap-card .tag-row{margin:14px 0 0}

.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.step{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step .sn{display:inline-flex;width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;
  align-items:center;justify-content:center;font-weight:800;font-size:14px;margin-bottom:14px}
.step h4{font-size:16px;margin-bottom:8px}
.step p{font-size:13px;color:var(--muted);line-height:1.65}

.data-band{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-top:10px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.data-item{padding:30px 26px;border-right:1px solid var(--line)}
.data-item:last-child{border-right:0}
.data-item .big{font-size:30px;font-weight:800;color:var(--primary);line-height:1.1}
.data-item .name{font-weight:700;font-size:15px;margin:10px 0 6px}
.data-item .desc{font-size:13px;color:var(--muted);line-height:1.6}

/* ===== 发展历程 ===== */
.hist-section{overflow:hidden;background:var(--bg-soft)}
.hist-section .bg-grid{opacity:.5}

/* 阶段分期条 */
.phase-bar{display:flex;align-items:stretch;gap:14px;position:relative;z-index:1}
.phase{position:relative;flex:1 1 0;min-width:0;background:var(--bg-card);border:1px solid var(--line);
  border-radius:14px;padding:20px 46px 20px 22px;overflow:hidden;
  transition:.35s cubic-bezier(.2,.7,.2,1);box-shadow:var(--shadow-sm)}
.phase::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--primary),var(--primary-600))}
.phase b{display:block;font-size:16px;font-weight:700;letter-spacing:.05em;color:var(--text-strong);white-space:nowrap}
.phase i{display:block;font-style:normal;font-size:12px;letter-spacing:.12em;color:var(--muted-2);margin-top:6px}
.phase .ph-idx{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:12px;font-weight:800;
  letter-spacing:.08em;color:rgba(13,45,42,.12);transition:.35s}
.phase:hover{background:var(--bg-card-2);border-color:rgba(13,148,136,.32);transform:translateY(-4px);
  box-shadow:0 18px 40px -24px rgba(13,148,136,.45)}
.phase:hover .ph-idx{color:rgba(13,148,136,.5)}
.phase-arrow{align-self:center;flex:0 0 auto;display:flex;align-items:center;color:rgba(13,45,42,.22)}

/* 曲线时间轴 */
.hist-wrap{position:relative;margin-top:40px;z-index:1}
.hist-svg{width:100%;height:auto;display:block}
.hist-svg text{font-family:var(--font)}
.hist-svg .hy{fill:var(--primary);font-size:19px;font-weight:800;letter-spacing:.02em}
.hist-svg .hy-alt{fill:var(--primary-2)}
.hist-svg .ht{fill:var(--text-strong);font-size:14px;font-weight:700}
.hist-svg .hd{fill:var(--muted);font-size:11.5px}
.hist-svg .hist-sky{fill:url(#histDots)}
.hist-svg .hist-area{fill:url(#histArea)}
.hist-svg .hist-halo-l{fill:none;stroke:rgba(13,148,136,.07);stroke-width:15;stroke-linecap:round}
.hist-svg .hist-halo{fill:none;stroke:rgba(13,148,136,.13);stroke-width:7;stroke-linecap:round}
.hist-svg .hist-line{fill:none;stroke:url(#histGrad);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.hist-svg .hist-dot-out{fill:rgba(13,148,136,.12)}
.hist-svg .hist-dot{fill:var(--bg-card);stroke:var(--primary);stroke-width:3}
.hist-svg .hist-dot-c{fill:var(--primary)}
.hist-svg .hist-dot-alt .hist-dot{stroke:var(--primary-2)}
.hist-svg .hist-dot-alt .hist-dot-c{fill:var(--primary-2)}
.hist-svg .hist-dot-alt .hist-dot-out{fill:rgba(13,148,136,.14)}
.hist-svg .hn-future .hist-dot-out{transform-box:fill-box;transform-origin:center;
  animation:histPulse 2.8s ease-out infinite}
@keyframes histPulse{
  0%{transform:scale(.9);opacity:.95}
  70%{transform:scale(2.2);opacity:0}
  100%{transform:scale(2.2);opacity:0}
}

/* 事件卡片 */
.hist-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:52px;position:relative;z-index:1}
.hist-card{position:relative;background:var(--bg-card);border:1px solid var(--line);border-radius:16px;
  padding:26px 24px;overflow:hidden;transition:.35s cubic-bezier(.2,.7,.2,1);box-shadow:var(--shadow-sm)}
.hist-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  background:radial-gradient(130% 80% at 0% 0%,rgba(13,148,136,.08),transparent 62%);transition:.35s}
.hist-card:hover{transform:translateY(-6px);border-color:rgba(13,148,136,.3);box-shadow:0 20px 44px -26px rgba(13,148,136,.4)}
.hist-card:hover::after{opacity:1}
.hist-card:hover .hc-year::after{width:100%}
.hc-year{position:relative;display:inline-block;padding-bottom:9px;font-size:26px;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(90deg,var(--primary),var(--primary-600));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hc-year::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-600));transition:.35s}
.hist-card h4{font-size:17px;margin:14px 0 8px}
.hist-card p{color:var(--muted);font-size:14.5px}
.hist-hint{display:none;margin-top:12px;text-align:center;color:var(--muted-2);font-size:13px;letter-spacing:.06em}

/* 数据看板 */
.dash{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.dash-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  display:flex;flex-direction:column;gap:8px;transition:.3s;box-shadow:var(--shadow-sm)}
.dash-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 20px 44px -26px rgba(13,148,136,.4)}
.dash-card .big{font-size:34px;font-weight:800;color:var(--primary)}
.dash-card .name{font-weight:700;font-size:17px}
.dash-card .desc{color:var(--muted);font-size:14px}

/* 文化价值观 */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;box-shadow:var(--shadow-sm)}
.value h4{font-size:18px;color:var(--primary);margin-bottom:12px}
.value p{color:var(--muted);font-size:14px}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field-input{width:100%;background:var(--bg-card);border:1px solid var(--line);border-radius:12px;
  padding:15px 18px;color:var(--text);font-size:15px;font-family:inherit;transition:.25s}
.field-input:focus{outline:none;border-color:var(--primary);background:var(--bg-card-2)}
.field-input::placeholder{color:var(--muted-2)}
.form-full{grid-column:1/-1}
.contact-wrap{max-width:1060px;margin:0 auto;display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:start}
.contact-main{min-width:0}
.contact-head{text-align:left;margin-bottom:30px}
.contact-head .eyebrow{display:inline-block;margin-bottom:10px}
.contact-head p{margin-left:0}
.contact-info{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.cinfo{display:flex;gap:16px;align-items:flex-start;background:var(--bg-card);border:1px solid var(--line);
  border-radius:14px;padding:20px;box-shadow:var(--shadow-sm)}
.cinfo .ic{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;flex-shrink:0}
.cinfo h5{font-size:15px;margin-bottom:4px;color:var(--text-strong)}
.cinfo p{color:var(--muted);font-size:14px}
.contact-qr{margin-top:0}
.contact-qr .qr-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px 34px;box-shadow:var(--shadow-sm);text-align:center;position:sticky;top:110px}
.contact-qr .qr-card .eyebrow{display:inline-block;margin-bottom:8px}
.contact-qr .qr-card h3{font-size:20px;margin-bottom:22px;color:var(--text-strong)}
.contact-qr .qr-row{justify-content:center}
.contact-qr .qr-cap{margin-top:18px;color:var(--muted);font-size:14px}
.qr-item{display:flex;flex-direction:column;align-items:center;gap:12px}
.contact-qr .qr-item .qr{width:150px;height:150px;border:1px solid var(--line-strong);box-shadow:0 10px 26px rgba(20,184,166,.16)}
.qr-label{font-size:14px;font-weight:600;color:var(--text-strong)}
.form-note{font-size:13px;color:var(--muted-2);margin-top:14px}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-600));color:#fff;border:0;cursor:pointer;display:grid;place-items:center;z-index:90;
  opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s;box-shadow:0 10px 26px -8px rgba(13,148,136,.6)}
.to-top.show{opacity:1;pointer-events:auto;transform:none}

/* 进入动画 */
.reveal{opacity:0;transform:translateY(28px);transition:.8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}
.reveal[data-d="5"]{transition-delay:.4s}

/* ===== 响应式 ===== */
@media(max-width:1080px){
  .core-grid{grid-template-columns:repeat(3,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .hist-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .nav-links,.nav-right .nav-phone,.nav-right .lang{display:none}
  .hamburger{display:flex}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:rgba(255,255,255,.98);backdrop-filter:blur(14px);padding:18px;border-top:1px solid var(--line);gap:4px;
    box-shadow:0 18px 30px -20px rgba(13,70,64,.4)}
  .nav-links.open a{padding:14px 16px;color:var(--text-strong)}
  .stats-card{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3)::after,.stat:nth-child(1)::after{display:none}
  .split,.split.rev{grid-template-columns:1fr;gap:36px}
  .contact-wrap{grid-template-columns:1fr;gap:32px}
  .contact-head{text-align:center}
  .contact-head p{margin-left:auto;margin-right:auto}
  .contact-qr .qr-card{position:static}
  .contact-qr .qr-row .qr{width:128px;height:128px}
  .contact-info{grid-template-columns:1fr}
  .svc-grid,.value-grid,.dash{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr}
  .data-item{border-right:0;border-bottom:1px solid var(--line)}
  .data-item:last-child{border-bottom:0}
  .core-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .section{padding:72px 0}
  .phase-bar{flex-wrap:wrap;gap:12px}
  .phase{flex:1 1 calc(50% - 6px)}
  .phase-arrow{display:none}
  .hist-wrap{overflow-x:auto;padding-bottom:10px;-webkit-overflow-scrolling:touch}
  .hist-svg{min-width:960px}
  .hist-svg .hd{display:none}
  .hist-hint{display:block}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .core-grid{grid-template-columns:1fr}
  .adv-grid{grid-template-columns:1fr}
  .stats-card{grid-template-columns:1fr}
  .stat::after{display:none!important}
  .foot-grid{grid-template-columns:1fr}
  .section-title{font-size:26px}
  .phase{flex:1 1 100%;padding:16px 40px 16px 20px}
  .hist-grid{grid-template-columns:1fr;margin-top:36px}
}