/* ==========================================================
   成都誉驰文化传播有限公司 · 官网样式
   ========================================================== */

:root{
  --ink:#0d1526;
  --ink-2:#16213a;
  --brand:#1e40af;
  --brand-l:#3b82f6;
  --brand-d:#16307d;
  --accent:#0e7490;
  --gold:#f0a03c;
  --gold-d:#d97706;

  --text:#1b2437;
  --text-2:#5a6480;
  --text-3:#8a93a8;

  --bg:#ffffff;
  --bg-2:#f4f7fc;
  --bg-3:#eef3fa;
  --line:#e3e9f3;
  --line-2:#d3dded;

  --r:14px;
  --r-lg:20px;
  --r-xl:26px;

  --sh-xs:0 2px 8px rgba(13,21,38,.05);
  --sh:0 10px 30px rgba(13,21,38,.08);
  --sh-lg:0 22px 60px rgba(13,21,38,.14);
  --sh-blue:0 18px 46px rgba(30,64,175,.22);

  --nav-h:74px;
  --wrap:1200px;
  --ease:cubic-bezier(.22,.68,.28,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 14px)}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0}
img,svg{display:block;max-width:100%}
::selection{background:rgba(30,64,175,.16)}

.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.hl,.hl-text{color:var(--brand)}
.hl{position:relative;white-space:nowrap}
.hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:9px;z-index:-1;
  background:rgba(240,160,60,.42);border-radius:3px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.3px;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s,color .25s;
}
.btn-lg{height:54px;padding:0 34px;font-size:16px}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}

.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-l));
  color:#fff;box-shadow:var(--sh-blue);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(30,64,175,.34)}
.btn-primary:active{transform:translateY(0)}

.btn-outline{
  background:#fff;color:var(--brand);border:1.5px solid rgba(30,64,175,.35);
  box-shadow:var(--sh-xs);
}
.btn-outline:hover{border-color:var(--brand);background:#f5f8ff;transform:translateY(-2px)}

.btn-gold{
  background:linear-gradient(120deg,var(--gold),var(--gold-d));
  color:#fff;box-shadow:0 14px 34px rgba(217,119,6,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(217,119,6,.42)}

.btn-outline-light{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}

/* ---------- Icons ---------- */
.ic{
  display:inline-block;width:15px;height:15px;flex:none;vertical-align:-2px;
  background:no-repeat center/contain;
}
.ic-pin{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231e40af'%3E%3Cpath d='M12 2a7 7 0 0 0-7 7c0 5.2 7 13 7 13s7-7.8 7-13a7 7 0 0 0-7-7Zm0 9.5A2.5 2.5 0 1 1 12 6.5a2.5 2.5 0 0 1 0 5Z'/%3E%3C/svg%3E")}
.ic-clock{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231e40af'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm1 5v5.4l4 2.4-1 1.7-5-3V7h2Z'/%3E%3C/svg%3E")}
.ic-tel{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231e40af'%3E%3Cpath d='M6.6 10.8a15 15 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.24c1.1.37 2.3.57 3.5.57a1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.2.2 2.4.57 3.5a1 1 0 0 1-.25 1l-2.2 2.3Z'/%3E%3C/svg%3E")}
.ic-mail{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231e40af'%3E%3Cpath d='M20 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2Zm0 4-8 5-8-5V6l8 5 8-5v2Z'/%3E%3C/svg%3E")}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink);color:#b8c2d8;font-size:13px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:40px;
}
.tb-left,.tb-right{display:flex;align-items:center;gap:20px}
.tb-item{display:flex;align-items:center;gap:6px}
.tb-item .ic{filter:brightness(1.9) saturate(.4)}
.tb-item b{color:var(--gold);font-weight:700;letter-spacing:.3px}
.tb-btn{
  padding:3px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(240,160,60,.16);color:var(--gold);
  border:1px solid rgba(240,160,60,.34);transition:all .25s;
}
.tb-btn:hover{background:var(--gold);color:#2a1a00}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  background:rgba(255,255,255,.86);backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s,background .3s;
}
.header.scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(13,21,38,.05)}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h)}

.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-mark{
  width:42px;height:42px;border-radius:11px;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,#f4f7fc,#e6edf8);
  border:1px solid var(--line);box-shadow:var(--sh-xs);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.2px;color:var(--ink)}
.logo-text i{font-style:normal;font-size:9.5px;color:var(--text-3);letter-spacing:1.2px;margin-top:1px}

.nav{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{
  position:relative;padding:8px 13px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--brand);background:#f2f6fd}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:0;translate:-50% 0;
  width:18px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--gold));
}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.menu-toggle span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- HERO ---------- */
.hero{position:relative;padding:60px 0 76px;overflow:hidden}
.hero-deco{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(760px 480px at 8% -6%,rgba(30,64,175,.13),transparent 62%),
    radial-gradient(680px 440px at 96% 12%,rgba(240,160,60,.12),transparent 60%),
    radial-gradient(600px 400px at 60% 108%,rgba(14,116,144,.08),transparent 62%);
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;
}

.chip{
  display:inline-block;padding:6px 16px;border-radius:999px;margin-bottom:22px;
  background:rgba(240,160,60,.12);border:1px solid rgba(240,160,60,.3);
  color:var(--gold-d);font-size:13px;font-weight:600;
}
.hero-title{font-size:clamp(29px,3.9vw,50px);line-height:1.3;letter-spacing:-.6px;margin-bottom:22px;color:var(--ink)}
.hero-desc{color:var(--text-2);font-size:15.8px;max-width:530px;margin-bottom:32px;line-height:1.95}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-list{display:flex;flex-direction:column;gap:9px}
.hero-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2)}
.ck{
  flex:none;width:17px;height:17px;border-radius:50%;position:relative;
  background:linear-gradient(140deg,var(--brand),var(--brand-l));
}
.ck::after{
  content:"";position:absolute;left:5px;top:4px;width:5px;height:8px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(42deg);
}

/* 道闸视觉 */
.hero-visual{display:flex;flex-direction:column;gap:16px}
.mv-main{
  border-radius:var(--r-xl);padding:20px 20px 18px;
  background:linear-gradient(165deg,#fff,#f2f6fc);
  border:1px solid var(--line);box-shadow:var(--sh-lg);
  position:relative;overflow:hidden;
}
.mv-main::after{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,160,60,.16),transparent 70%);
}
.mv-main-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;position:relative;z-index:1}
.mv-tag{
  font-size:12px;font-weight:700;letter-spacing:.6px;padding:4px 12px;border-radius:999px;
  background:rgba(30,64,175,.09);color:var(--brand);border:1px solid rgba(30,64,175,.2);
}
.mv-dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.16)}

.mv-billboard{
  position:relative;height:248px;
  display:flex;flex-direction:column;align-items:center;justify-content:flex-end;
  background:
    linear-gradient(180deg,rgba(30,64,175,.05),rgba(255,255,255,0) 60%),
    repeating-linear-gradient(90deg,rgba(19,30,54,.04) 0 1px,transparent 1px 26px);
  border-radius:14px;overflow:hidden;
}
.mv-billboard::before{
  content:"";position:absolute;left:8%;right:8%;bottom:22px;height:8px;border-radius:50%;
  background:radial-gradient(50% 100% at 50% 100%,rgba(13,21,38,.16),transparent 70%);
}
.mv-poster{
  position:relative;width:min(300px,86%);height:126px;border-radius:8px;
  padding:0 18px;display:flex;flex-direction:column;justify-content:center;gap:2px;
  background:var(--cover-grad);
  border:4px solid #fff;
  box-shadow:0 14px 34px rgba(13,21,38,.24),0 0 0 1px rgba(13,21,38,.06) inset;
  color:#fff;overflow:hidden;
}
.mv-poster::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(160px 90px at 20% 12%,rgba(255,255,255,.28),transparent 70%);
}
.mv-pl{
  position:relative;font-size:10.5px;font-weight:800;letter-spacing:3px;
  opacity:.85;margin-bottom:4px;
}
.mv-pn{position:relative;font-size:24px;font-weight:900;line-height:1.12;letter-spacing:-.5px}
.mv-pd{position:relative;font-size:11.5px;opacity:.9;margin-top:6px}
.mv-pole{
  width:34px;height:56px;margin-top:0;
  background:linear-gradient(90deg,#e2e8f2,#a6b2c8 45%,#d8e0ec);
  border-radius:3px 3px 5px 5px;
  box-shadow:0 6px 16px rgba(13,21,38,.12);
}
.mv-bar{
  position:absolute;bottom:24px;left:6%;width:62%;height:15px;border-radius:8px;
  background:repeating-linear-gradient(115deg,#f0a03c 0 12px,#1b2437 12px 24px);
  box-shadow:0 6px 14px rgba(13,21,38,.2);
  animation:barLift 6s ease-in-out infinite;
}
@keyframes barLift{0%,100%{transform:rotate(0deg) translateY(0)}45%{transform:rotate(-42deg) translateY(-6px)}}
.mv-caption{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-2);
  font-size:12.5px;color:var(--text-3);text-align:center;position:relative;z-index:1;
}

.mv-side{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mv-card{
  border-radius:var(--r-lg);padding:18px 12px;text-align:center;
  background:var(--cover-grad);color:#fff;position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;gap:3px;
  box-shadow:var(--sh);transition:transform .35s var(--ease),box-shadow .35s;
}
.mv-card:hover{transform:translateY(-5px);box-shadow:var(--sh-lg)}
.mv-card::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(140px 100px at 78% 12%,rgba(255,255,255,.26),transparent 70%);
}
.mv-num{
  position:relative;font-size:clamp(20px,2.1vw,29px);font-weight:900;letter-spacing:-.6px;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.mv-label{position:relative;font-size:12.5px;opacity:.92;letter-spacing:.4px}

/* ---------- 数据条 ---------- */
.databar{background:linear-gradient(115deg,var(--ink),#1a2745 55%,var(--brand-d));padding:34px 0;position:relative;overflow:hidden}
.databar::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 240px at 20% 0%,rgba(240,160,60,.16),transparent 70%),
             radial-gradient(500px 220px at 82% 100%,rgba(59,130,246,.2),transparent 70%);
}
.databar-inner{
  position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
}
.db-item{text-align:center;position:relative}
.db-item+.db-item::before{content:"";position:absolute;left:0;top:14%;height:72%;width:1px;background:rgba(255,255,255,.12)}
.db-item b{
  display:block;font-size:32px;font-weight:800;color:#fff;letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
}
.db-item span{font-size:13px;color:#9fb0d0;letter-spacing:.4px}
.db-item b .counter{display:inline}

/* ---------- Section 通用 ---------- */
.section{padding:88px 0}
.section.alt{background:linear-gradient(180deg,var(--bg),var(--bg-2) 14%,var(--bg-2) 86%,var(--bg))}
.section.dark{background:var(--ink);color:#dbe3f2}
.section.dark .sec-title{color:#fff}
.section.dark .sec-sub{color:#93a2bf}
.sec-head{text-align:center;max-width:720px;margin:0 auto 46px}
.eyebrow{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:2.2px;
  color:var(--brand);margin-bottom:12px;padding:4px 13px;border-radius:999px;
  background:rgba(30,64,175,.08);border:1px solid rgba(30,64,175,.16);
}
.eyebrow.light{color:var(--gold);background:rgba(240,160,60,.12);border-color:rgba(240,160,60,.24)}
.sec-title{font-size:clamp(25px,3vw,38px);letter-spacing:-.5px;margin-bottom:14px;color:var(--ink)}
.sec-title.left{text-align:left}
.sec-sub{color:var(--text-2);font-size:15.5px}

/* ---------- 关于我们 ---------- */
.about-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:center}
.about-visual{position:relative}
.av-grid{
  display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:repeat(2,1fr);
  gap:14px;height:410px;
}
.av-pic{
  border-radius:var(--r-lg);position:relative;overflow:hidden;
  background:var(--cover-grad);
  display:grid;place-items:center;box-shadow:var(--sh);
}
.av-pic.big{grid-row:span 2;border-radius:var(--r-xl)}
.av-pic span{
  color:#fff;font-size:26px;font-weight:900;letter-spacing:2px;line-height:1.3;text-align:center;
  text-shadow:0 6px 22px rgba(0,0,0,.28);
}
.av-pic.big span{font-size:30px}
.av-pic::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(200px 140px at 24% 16%,rgba(255,255,255,.24),transparent 70%);
}
.av-badge{
  position:absolute;right:-14px;bottom:-10px;
  width:104px;height:104px;border-radius:50%;
  background:linear-gradient(140deg,var(--gold),var(--gold-d));
  color:#2a1a00;display:grid;place-items:center;text-align:center;
  box-shadow:0 16px 40px rgba(217,119,6,.34);
  border:5px solid #fff;
}
.av-badge b{display:block;font-size:34px;font-weight:900;line-height:1}
.av-badge span{font-size:10.5px;font-weight:700;line-height:1.35;letter-spacing:.5px}

.about-copy .lead{
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.85;margin-bottom:14px;
  padding-left:16px;border-left:3px solid var(--brand);
}
.about-copy .body-text{color:var(--text-2);line-height:1.95;margin-bottom:26px}
.about-keys{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:30px}
.ak{
  padding:16px 18px;border-radius:var(--r);
  background:var(--bg-2);border:1px solid var(--line);
}
.ak b{display:block;font-size:15px;color:var(--brand);margin-bottom:5px}
.ak span{font-size:13px;color:var(--text-2);line-height:1.65}

.timeline{display:flex;flex-direction:column;gap:0;position:relative;padding-left:6px}
.timeline::before{
  content:"";position:absolute;left:44px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(30,64,175,.18));
}
.tl-item{display:flex;align-items:center;gap:22px;padding:9px 0;position:relative}
.tl-year{
  flex:none;width:76px;text-align:center;font-size:14.5px;font-weight:800;
  color:var(--brand);letter-spacing:.5px;
}
.tl-year::after{
  content:"";position:absolute;left:39px;top:50%;translate:-50% -50%;
  width:10px;height:10px;border-radius:50%;background:#fff;
  border:3px solid var(--brand);box-shadow:0 2px 8px rgba(30,64,175,.3);
}
.tl-txt{font-size:14px;color:var(--text-2)}

/* ---------- 媒体资源 ---------- */
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.md-card{
  border-radius:var(--r-xl);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-xs);
  transition:transform .4s var(--ease),box-shadow .4s,border-color .4s;
  display:flex;flex-direction:column;
}
.md-card:hover{transform:translateY(-8px);box-shadow:var(--sh-lg);border-color:rgba(30,64,175,.28)}
.md-visual{
  height:170px;position:relative;overflow:hidden;
  background:var(--cover-grad);display:grid;place-items:center;
}
.md-visual::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(220px 150px at 24% 14%,rgba(255,255,255,.26),transparent 70%);
}
.md-visual img,.md-visual svg{position:relative;z-index:2}
.md-badge{
  position:absolute;z-index:3;left:14px;top:14px;
  font-size:11.5px;font-weight:700;padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand);letter-spacing:.4px;
  box-shadow:var(--sh-xs);
}
.md-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.md-body h3{font-size:18px;color:var(--ink);display:flex;align-items:center;gap:9px}
.md-body h3 em{
  font-style:normal;font-size:11px;font-weight:800;padding:2px 8px;border-radius:5px;
  background:rgba(240,160,60,.14);color:var(--gold-d);letter-spacing:.4px;
}
.md-body p{font-size:13.8px;color:var(--text-2);line-height:1.8;flex:1}
.md-specs{display:flex;gap:10px;flex-wrap:wrap;padding-top:4px}
.md-specs span{
  font-size:12px;padding:4px 11px;border-radius:6px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--text-2);
}
.md-link{
  margin-top:8px;padding-top:14px;border-top:1px dashed var(--line-2);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;font-weight:600;color:var(--brand);
}
.md-link i{font-style:normal;transition:transform .3s}
.md-card:hover .md-link i{transform:translateX(4px)}

/* ---------- 核心优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv-card{
  padding:30px 26px 28px;border-radius:var(--r-xl);
  background:#fff;border:1px solid var(--line);
  position:relative;overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s,border-color .4s;
}
.adv-card:hover{transform:translateY(-7px);box-shadow:var(--sh-lg);border-color:rgba(30,64,175,.26)}
.adv-card::before{
  content:"";position:absolute;left:0;top:0;width:4px;height:0;background:linear-gradient(180deg,var(--brand),var(--gold));
  transition:height .45s var(--ease);
}
.adv-card:hover::before{height:100%}
.adv-no{
  display:block;font-size:34px;font-weight:900;line-height:1;margin-bottom:14px;
  background:linear-gradient(140deg,rgba(30,64,175,.9),rgba(240,160,60,.9));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  opacity:.55;
}
.adv-card h3{font-size:18px;margin-bottom:10px;color:var(--ink)}
.adv-card p{font-size:13.8px;color:var(--text-2);line-height:1.85}

/* ---------- 服务流程 ---------- */
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:0}
.proc-arrow{display:none}
.proc-item{position:relative;padding:0 12px;text-align:center}
.proc-item::before{
  content:"";position:absolute;top:21px;left:50%;width:100%;height:2px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.28) 0 5px,transparent 5px 10px);
}
.proc-item:last-child::before{display:none}
.proc-step{
  position:relative;width:44px;height:44px;margin:0 auto 16px;border-radius:50%;
  background:linear-gradient(140deg,var(--brand),var(--brand-l));
  display:grid;place-items:center;color:#fff;
  box-shadow:0 8px 22px rgba(30,64,175,.34);z-index:2;
}
.proc-step b{font-size:14px;font-weight:800}
.proc-item h3{font-size:15.5px;margin-bottom:8px;color:#fff}
.proc-item p{font-size:12.8px;color:#93a2bf;line-height:1.75}

/* ---------- 案例 ---------- */
.tabs-row{display:flex;justify-content:center;margin-bottom:32px}
.tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.tab{
  padding:8px 20px;border-radius:999px;font-size:14px;
  background:#fff;border:1.5px solid var(--line);color:var(--text-2);
  box-shadow:var(--sh-xs);transition:all .25s var(--ease);
}
.tab:hover{color:var(--brand);border-color:rgba(30,64,175,.4)}
.tab.on{
  background:linear-gradient(120deg,var(--brand),var(--brand-l));color:#fff;
  border-color:transparent;font-weight:600;box-shadow:var(--sh-blue);
}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cs-card{
  border-radius:var(--r-xl);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-xs);
  transition:transform .4s var(--ease),box-shadow .4s;
  animation:fadeUp .45s var(--ease) both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.cs-card:hover{transform:translateY(-8px);box-shadow:var(--sh-lg)}
.cs-cover{
  height:150px;position:relative;overflow:hidden;
  background:var(--cover-grad);display:grid;place-items:center;
}
.cs-cover::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(220px 150px at 26% 16%,rgba(255,255,255,.24),transparent 70%);
}
.cs-cover span{
  position:relative;z-index:2;color:#fff;font-size:20px;font-weight:900;letter-spacing:2px;
  text-shadow:0 5px 18px rgba(0,0,0,.26);
}
.cs-tag{
  position:absolute;z-index:3;right:14px;top:14px;font-size:11.5px;font-weight:700;
  padding:4px 11px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--brand);
}
.cs-body{padding:20px 22px 22px}
.cs-body h3{font-size:17px;color:var(--ink);margin-bottom:9px;line-height:1.5}
.cs-body p{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.cs-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding-top:14px;border-top:1px dashed var(--line-2)}
.cs-metrics div{text-align:center}
.cs-metrics b{display:block;font-size:17px;font-weight:800;color:var(--brand);line-height:1.3}
.cs-metrics span{font-size:11px;color:var(--text-3)}

/* ---------- 合作伙伴 ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pt-item{
  height:92px;border-radius:var(--r);display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);
  font-size:16.5px;font-weight:800;color:var(--text-2);letter-spacing:1px;
  transition:transform .35s var(--ease),box-shadow .35s,color .35s,border-color .35s;
}
.pt-item:hover{transform:translateY(-5px);box-shadow:var(--sh);color:var(--brand);border-color:rgba(30,64,175,.3)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:start}
.faq-copy .eyebrow{margin-bottom:12px}
.faq-desc{color:var(--text-2);margin:16px 0 24px;font-size:15px;max-width:380px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:var(--r);overflow:hidden;background:#fff;
  border:1px solid var(--line);transition:border-color .3s,box-shadow .3s;
}
.faq-item:hover{border-color:rgba(30,64,175,.3)}
.faq-item[open]{border-color:rgba(30,64,175,.36);box-shadow:var(--sh-xs)}
.faq-item summary{
  padding:17px 22px;font-size:15.5px;font-weight:600;color:var(--ink);cursor:pointer;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{
  flex:none;width:22px;height:22px;border-radius:50%;position:relative;
  background:rgba(30,64,175,.09);border:1px solid rgba(30,64,175,.24);
  transition:transform .3s var(--ease),background .3s;
}
.faq-item summary i::before,.faq-item summary i::after{
  content:"";position:absolute;left:50%;top:50%;translate:-50% -50%;
  background:var(--brand);transition:background .3s;
}
.faq-item summary i::before{width:10px;height:1.8px}
.faq-item summary i::after{width:1.8px;height:10px}
.faq-item[open] summary i{transform:rotate(135deg);background:var(--brand)}
.faq-item[open] summary i::before,.faq-item[open] summary i::after{background:#fff}
.faq-body{
  padding:0 22px 20px;font-size:14px;color:var(--text-2);line-height:1.9;
  animation:fadeUp .3s var(--ease);
}

/* ---------- 联系我们 ---------- */
.contact-sec{background:linear-gradient(180deg,var(--bg),var(--bg-2) 20%,var(--bg-2) 80%,var(--bg))}
.contact-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.contact-tip{color:var(--text-2);margin:14px 0 26px;font-size:14.8px}
.contact-form{
  background:#fff;border-radius:var(--r-xl);padding:28px 28px 24px;
  border:1px solid var(--line);box-shadow:var(--sh);
  display:flex;flex-direction:column;gap:16px;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field label em{color:#e11d48;font-style:normal}
.field input[type=text],.field input[type=tel],.field select,.field textarea{
  width:100%;font:inherit;font-size:14.5px;color:var(--text);
  padding:12px 14px;border-radius:10px;
  background:var(--bg-2);border:1.5px solid var(--line);
  outline:none;transition:border-color .25s,background .25s,box-shadow .25s;
}
.field textarea{resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-l);background:#fff;
  box-shadow:0 0 0 4px rgba(59,130,246,.12);
}
.field .error{border-color:#e11d48!important;background:#fff5f6!important}
.chips-row{display:flex;gap:9px;flex-wrap:wrap}
.cchip{
  padding:8px 16px;border-radius:999px;font-size:13.5px;
  background:var(--bg-2);border:1.5px solid var(--line);color:var(--text-2);
  transition:all .25s var(--ease);
}
.cchip:hover{border-color:rgba(30,64,175,.4);color:var(--brand)}
.cchip.on{background:rgba(30,64,175,.1);border-color:var(--brand);color:var(--brand);font-weight:600}
.form-foot{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;padding-top:6px;border-top:1px dashed var(--line-2);
  margin-top:2px;
}
.agree{display:flex;align-items:flex-start;gap:9px;font-size:12.8px;color:var(--text-3);cursor:pointer;max-width:380px;line-height:1.6}
.agree input{margin-top:3px;accent-color:var(--brand);width:15px;height:15px;flex:none}
.form-note{
  font-size:13.5px;padding:11px 16px;border-radius:10px;display:none;
}
.form-note.ok{display:block;background:rgba(34,197,94,.1);color:#15803d;border:1px solid rgba(34,197,94,.28)}
.form-note.err{display:block;background:rgba(225,29,72,.08);color:#be123c;border:1px solid rgba(225,29,72,.24)}

.contact-info{display:flex;flex-direction:column;gap:18px}
.ci-card{
  background:linear-gradient(160deg,var(--ink),#1a2745);
  border-radius:var(--r-xl);padding:28px;color:#fff;
  box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.ci-card::after{
  content:"";position:absolute;right:-50px;top:-50px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,160,60,.2),transparent 70%);
}
.ci-card h3{font-size:19px;margin-bottom:22px;position:relative}
.ci-list{display:flex;flex-direction:column;gap:18px;position:relative}
.ci-list li{display:flex;gap:14px;align-items:flex-start}
.ci-ic{
  flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--cover-grad);box-shadow:0 6px 16px rgba(0,0,0,.24);
}
.ci-ic .ic{width:18px;height:18px;filter:brightness(0) invert(1)}
.ci-list b{display:block;font-size:13.5px;color:#93a2bf;font-weight:600;margin-bottom:2px}
.ci-list span{font-size:14.5px;color:#e8eefb;line-height:1.6}

.ci-map{
  border-radius:var(--r-xl);overflow:hidden;height:210px;position:relative;
  background:linear-gradient(150deg,#e8eef8,#dce6f4);
  border:1px solid var(--line);box-shadow:var(--sh-xs);
}
.map-art{position:relative;width:100%;height:100%;display:grid;place-items:center;overflow:hidden}
.map-blob{position:absolute;border-radius:46% 54% 58% 42%/50% 46% 54% 50%}
.b1{width:260px;height:200px;background:rgba(30,64,175,.1);left:-40px;top:-30px;animation:blobMove 14s ease-in-out infinite}
.b2{width:220px;height:180px;background:rgba(14,116,144,.1);right:-30px;bottom:-40px;animation:blobMove 18s ease-in-out infinite reverse}
@keyframes blobMove{0%,100%{transform:translate(0,0) rotate(0)}50%{transform:translate(18px,-14px) rotate(8deg)}}
.map-pin{
  position:relative;z-index:2;width:26px;height:26px;border-radius:50% 50% 50% 0;
  transform:rotate(-45deg);background:linear-gradient(140deg,var(--brand),var(--brand-l));
  box-shadow:0 10px 26px rgba(30,64,175,.4);display:grid;place-items:center;
  animation:pinDrop 2.4s ease-in-out infinite;
}
@keyframes pinDrop{0%,100%{transform:rotate(-45deg) translateY(0)}50%{transform:rotate(-45deg) translateY(-8px)}}
.map-pin span{width:9px;height:9px;border-radius:50%;background:#fff;transform:rotate(45deg)}
.map-label{
  position:absolute;z-index:3;left:50%;translate:-50% 0;top:calc(50% + 34px);
  font-size:15px;font-weight:800;color:var(--ink);
}
.map-txt{
  position:absolute;z-index:3;left:50%;translate:-50% 0;top:calc(50% + 58px);
  font-size:12.5px;color:var(--text-3);
}

/* ---------- CTA ---------- */
.cta-sec{padding:0 0 90px}
.cta-inner{
  text-align:center;padding:56px 24px;border-radius:var(--r-xl);
  background:linear-gradient(125deg,var(--ink) 10%,#1c2b4c 55%,var(--brand-d));
  box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 260px at 18% 0%,rgba(240,160,60,.18),transparent 70%),
             radial-gradient(520px 240px at 84% 100%,rgba(59,130,246,.26),transparent 70%);
}
.cta-inner h2{position:relative;font-size:clamp(23px,3vw,34px);color:#fff;margin-bottom:12px}
.cta-inner p{position:relative;color:#a8b6d2;margin-bottom:30px;font-size:15.5px}
.cta-btns{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#b8c4dc;padding-top:56px}
.footer-inner{display:grid;grid-template-columns:1.3fr 2fr;gap:48px;padding-bottom:38px}
.footer .logo-mark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
.footer .logo-text b{color:#fff}
.f-desc{color:#8f9eba;font-size:13.5px;line-height:1.9;margin:16px 0;max-width:430px}
.f-tags{display:flex;gap:8px;flex-wrap:wrap}
.f-tags span{
  font-size:12px;padding:3px 11px;border-radius:6px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#96a4c2;
}
.f-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.f-col{display:flex;flex-direction:column;gap:11px}
.f-col h4{font-size:14.5px;color:#fff;margin-bottom:4px}
.f-col a{font-size:13.5px;color:#8f9eba;transition:color .25s}
.f-col a:hover{color:var(--gold)}
.f-col p{font-size:13px;color:#8f9eba;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 30px}
.fb-inner{text-align:center}
.fb-inner p{font-size:12.5px;color:#77839e}
.fb-tip{margin-top:7px;color:#5d688a!important}

/* ---------- 悬浮 ---------- */
.to-top{
  position:fixed;right:24px;bottom:32px;z-index:70;
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:#fff;color:var(--brand);
  border:1px solid var(--line-2);box-shadow:var(--sh);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .3s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

.toast{
  position:fixed;left:50%;bottom:70px;translate:-50% 0;z-index:99;
  padding:13px 26px;border-radius:999px;
  background:var(--ink);color:#fff;font-size:14px;
  box-shadow:0 18px 46px rgba(0,0,0,.4);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .3s var(--ease);pointer-events:none;max-width:88vw;text-align:center;
}
.toast.show{opacity:1;visibility:visible;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-copy{text-align:center}
  .hero-desc{margin-inline:auto}
  .hero-btns{justify-content:center}
  .hero-list{align-items:center}
  .hero-visual{max-width:640px;margin-inline:auto;width:100%}
  .databar-inner{grid-template-columns:repeat(3,1fr);gap:24px}
  .db-item:nth-child(4)::before{display:none}
  .about-layout{grid-template-columns:1fr;gap:40px}
  .av-grid{height:340px}
  .media-grid,.adv-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(3,1fr);row-gap:34px}
  .proc-item::before{display:none}
  .contact-inner{grid-template-columns:1fr;gap:34px}
  .faq-layout{grid-template-columns:1fr;gap:34px}
  .footer-inner{grid-template-columns:1fr;gap:34px}
  .section{padding:70px 0}
}

@media (max-width:900px){
  .nav{display:none}
  .menu-toggle{display:flex}
  .nav.open{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;left:0;right:0;top:var(--nav-h);
    padding:12px 24px 18px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--sh);
  }
  .nav.open .nav-link{padding:12px 14px;font-size:15px;border-radius:8px}
  .nav.open .nav-link.is-active{background:#f2f6fd}
  .nav.open .nav-link.is-active::after{display:none}
  .topbar-inner{height:auto;padding:8px 0;flex-direction:column;align-items:flex-start;gap:4px}
  .tb-left{flex-wrap:wrap;gap:14px}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:760px){
  .hero{padding:40px 0 54px}
  .mv-billboard{height:210px}
  .mv-poster{height:112px;width:min(280px,88%)}
  .mv-pn{font-size:21px}
  .databar{padding:26px 0}
  .databar-inner{grid-template-columns:repeat(2,1fr);gap:20px}
  .db-item::before{display:none}
  .db-item b{font-size:26px}
  .media-grid,.adv-grid,.case-grid{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(2,1fr)}
  .about-keys{grid-template-columns:1fr}
  .av-grid{height:280px;grid-template-columns:1fr 1fr}
  .av-pic.big{grid-row:span 2}
  .av-badge{width:88px;height:88px;right:-6px;bottom:-6px}
  .av-badge b{font-size:28px}
  .field-row{grid-template-columns:1fr}
  .form-foot{flex-direction:column;align-items:stretch;gap:14px}
  .form-foot .btn{width:100%}
  .contact-form{padding:22px 20px}
  .f-links{grid-template-columns:repeat(2,1fr)}
  .to-top{right:14px;bottom:20px}
}

@media (max-width:480px){
  .container{padding:0 16px}
  .hero-btns .btn{width:100%}
  .sec-head{margin-bottom:32px}
  .cta-inner{padding:40px 18px}
  .cta-btns .btn{width:100%}
  .mv-side{grid-template-columns:repeat(2,1fr);gap:12px}
  .mv-card{padding:15px 12px}
  .mv-num{font-size:22px}
  .timeline::before{left:41px}
  .tl-year{width:70px}
  .tl-year::after{left:36px}
  .ci-card{padding:22px}
}

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