:root{
  --ink:#101418;
  --muted:#5a6573;
  --line:#e6e9ee;
  --bg:#ffffff;
  --soft:#f5f7fa;
  --red:#e11d2a;
  --red-d:#b9121d;
  --shadow:0 24px 60px -28px rgba(16,20,24,.30);
  --radius:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:"Hanken Grotesk",system-ui,-apple-system,Segoe UI,Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Sora",system-ui,sans-serif;line-height:1.1;letter-spacing:-.02em;margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{width:min(1160px,92vw);margin:0 auto}

/* ---------- NAV ---------- */
#nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:24px;height:74px}
.logo-img{height:50px;width:auto;display:block}
.nav-links{display:flex;gap:28px;margin-left:auto;font-weight:600;font-size:15px}
.nav-links a{color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{background:var(--red);color:#fff;padding:11px 18px;border-radius:999px;font-weight:700;font-size:15px;white-space:nowrap;box-shadow:0 8px 20px -8px rgba(225,29,42,.6);transition:transform .15s,background .15s}
.nav-cta:hover{background:var(--red-d);transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:0;font-size:26px;line-height:1;color:var(--ink);cursor:pointer;padding:4px 6px}
@media(max-width:780px){
  .nav-in{gap:12px}
  .nav-toggle{display:block}
  .nav-cta{margin-left:auto;font-size:14px;padding:9px 14px}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;margin:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    padding:6px 6vw 14px;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity .2s,transform .2s}
  #nav.open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{padding:14px 2px;font-size:17px;color:var(--ink);border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:0}
}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:15px 26px;border-radius:999px;font-weight:700;font-size:16px;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s;border:2px solid transparent}
.btn.primary{background:var(--red);color:#fff;box-shadow:0 14px 30px -12px rgba(225,29,42,.65)}
.btn.primary:hover{background:var(--red-d);transform:translateY(-2px)}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn.ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn.white{background:#fff;color:var(--ink)}
.btn.white:hover{background:#eceff3;transform:translateY(-2px)}
.btn.full{width:100%;margin-top:8px}

/* ---------- HERO ---------- */
.hero-bg{position:relative;min-height:clamp(620px,92vh,860px);display:flex;align-items:center;overflow:hidden}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center 42%;opacity:0;transition:opacity 1.4s ease-in-out}
.hero-slide.is-active{opacity:1}
.hero-overlay{position:absolute;inset:0;z-index:1;background:
  linear-gradient(180deg,rgba(8,11,15,.55) 0%,rgba(8,11,15,.35) 40%,rgba(8,11,15,.78) 100%),
  radial-gradient(120% 80% at 20% 30%,rgba(8,11,15,.45),transparent 60%)}
.hero-inner{position:relative;z-index:2;max-width:760px;padding:60px 0;color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px);padding:8px 15px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:rgba(255,255,255,.92)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 rgba(225,29,42,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(225,29,42,.7)}70%{box-shadow:0 0 0 10px rgba(225,29,42,0)}100%{box-shadow:0 0 0 0 rgba(225,29,42,0)}}
.hero-inner h1{font-size:clamp(30px,7.5vw,76px);font-weight:800;margin:22px 0 0;color:#fff;white-space:nowrap}
.hero-inner .grad{background:linear-gradient(90deg,#ff5a64,#ffe3e5 70%,#ffffff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-inner .lead{font-size:clamp(17px,2vw,20px);color:rgba(255,255,255,.9);max-width:56ch;margin:22px 0 0}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.scroll-cue{display:inline-block;margin-top:42px;font-size:12px;font-weight:700;letter-spacing:.18em;color:rgba(255,255,255,.75)}
.scroll-cue::after{content:"";display:block;width:1px;height:34px;margin:10px auto 0;background:linear-gradient(rgba(255,255,255,.8),transparent);animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(-8px)}50%{opacity:1}100%{opacity:0;transform:translateY(8px)}}

/* ---------- TRUST STRIP ---------- */
.strip{background:var(--ink);color:#fff}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:26px 0}
.stat{text-align:center;padding:6px 10px}
.stat b{display:block;font-family:"Sora";font-size:20px}
.stat span{font-size:13px;color:rgba(255,255,255,.6)}
@media(max-width:780px){.strip-in{grid-template-columns:repeat(2,1fr);gap:16px}}

/* ---------- SECTION SHELL ---------- */
section{padding:clamp(64px,9vw,110px) 0}

/* ---------- TRACK / 维修进度查询 ---------- */
.track{background:var(--soft)}
.track-cta{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:640px;margin:0 auto}
.track-btn{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;box-shadow:0 10px 30px -22px rgba(16,20,24,.4);transition:transform .18s,box-shadow .18s,border-color .18s}
.track-btn:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6dbe2}
.track-btn b{font-size:20px;color:var(--ink)}
@media(max-width:780px){.track-cta{grid-template-columns:1fr}}
.sec-head{max-width:640px;margin:0 auto clamp(40px,6vw,64px);text-align:center}
.tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--red);margin-bottom:14px}
.tag.light{color:#ff8a91}
.sec-title{font-size:clamp(30px,4.5vw,48px);font-weight:800}
.sec-title.light{color:#fff}
.sec-note{color:var(--muted);font-size:18px;margin-top:16px}
.sec-note.light{color:rgba(255,255,255,.72)}

/* ---------- SERVICES GRID ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6dbe2}
.card .ic{font-size:30px;line-height:1}
.card h4{font-size:19px;margin:16px 0 8px;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:15.5px}
@media(max-width:880px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid{grid-template-columns:1fr}}

/* ---------- BEFORE / AFTER ---------- */
.work{background:var(--soft)}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ba-item{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000}
.ba-item img{display:block;width:100%;height:100%;object-fit:cover;aspect-ratio:3/4}
.ba-item figcaption{position:absolute;top:16px;left:16px}
.badge{display:inline-block;padding:7px 16px;border-radius:999px;font-weight:800;font-size:14px;color:#fff;box-shadow:0 8px 20px -8px rgba(0,0,0,.5)}
.badge.before{background:var(--red)}
.badge.after{background:#16a34a}
@media(max-width:680px){.ba{grid-template-columns:1fr}}

/* ---------- WHY ---------- */
.why-in{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.why .sec-title{text-align:left}
.ticks{list-style:none;padding:0;margin:24px 0 32px;display:grid;gap:14px}
.ticks li{position:relative;padding-left:34px;font-weight:500}
.ticks li::before{content:"✓";position:absolute;left:0;top:-1px;width:22px;height:22px;border-radius:50%;background:var(--red);color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center}
.why-card{background:linear-gradient(160deg,#16191d,#22262c);color:#fff;border-radius:24px;padding:40px 36px;box-shadow:var(--shadow);position:relative}
.qmark{font-family:"Sora";font-size:80px;line-height:.6;color:var(--red);height:40px}
.why-card p{font-size:20px;font-weight:500;margin:0 0 22px}
.why-card .who b{display:block}
.why-card .who span{color:rgba(255,255,255,.55);font-size:14px}
@media(max-width:820px){.why-in{grid-template-columns:1fr;gap:32px}}

/* ---------- CONTACT ---------- */
.contact{background:var(--ink)}
.contact-in{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.contact .sec-head{margin:0}
.contact-card{background:#fff;border-radius:var(--radius);padding:14px 24px 24px;box-shadow:var(--shadow)}
.contact-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-row span{color:var(--muted);font-size:14px}
.contact-row b{font-family:"Sora";font-size:18px;text-align:right;overflow-wrap:anywhere}
a.contact-row b{color:var(--red)}
@media(max-width:820px){.contact-in{grid-template-columns:1fr;gap:28px}}

/* ---------- FOOTER ---------- */
footer{background:#0a0c0f;color:rgba(255,255,255,.7);padding:48px 0;text-align:center}
.foot-in{display:grid;gap:14px;justify-items:center}
.foot-logo{height:48px;background:#fff;padding:5px 8px;border-radius:8px}
footer a{color:#fff;font-weight:700}
.copy{font-size:13px;color:rgba(255,255,255,.4)}

/* ---------- TEAM PAGE 团队页 ---------- */
.nav-links a.active{color:var(--ink)}
.page-banner{position:relative;overflow:hidden;text-align:center}
.page-banner img{display:block;width:100%;height:auto;z-index:0}
.page-banner .ov{position:absolute;inset:0;z-index:1;background:linear-gradient(rgba(8,11,15,.45) 0%,rgba(8,11,15,.22) 42%,rgba(8,11,15,.05) 70%,transparent 100%)}
.page-banner .inner{position:absolute;top:24%;left:0;right:0;z-index:2;color:#fff}
@media(max-width:640px){.page-banner .inner{top:15%}.page-banner p{display:none}.page-banner h1{font-size:clamp(26px,7.5vw,40px);white-space:nowrap}.page-banner h1 .zh-only{display:none}}
.page-banner h1{font-size:clamp(34px,5.5vw,60px);color:#fff;font-weight:800}
.page-banner p{color:rgba(255,255,255,.88);margin:14px auto 0;font-size:18px;max-width:52ch}

.team-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
@media(max-width:1100px){.team-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:820px){.team-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.team-grid{grid-template-columns:repeat(2,1fr)}}
.member{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.member:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6dbe2}
.member img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;object-position:center top}
.member .m-body{padding:14px 15px 18px}
.member h3{font-size:17px;font-weight:700}
.member .role{color:var(--ink);font-weight:700;font-size:12px;margin:4px 0 8px}
.member p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}

/* ---------- SCROLL REVEAL 滚动渐入 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  .pulse,.scroll-cue::after{animation:none}
  .hero-slide{transition:none}
  .reveal{opacity:1;transform:none;transition:none}
}