/* ============================================================
   趣出海 QuChuhai — AWS migration professional services
   Palette aligned to the brand mark: royal blue + gold, navy.
   ============================================================ */
:root{
  --blue:#1657c9; --blue-bright:#2f8ff5; --blue-deep:#0e3f97;
  --navy:#0a1f45; --navy2:#0d2a58;
  --gold:#f2941b; --gold-2:#ff7a1a; --gold-soft:#fff4e2;
  --ink:#101f36; --muted:#54637c; --faint:#8493a9; --line:#e6ecf5;
  --bg:#fff; --soft:#f5f8fc; --soft2:#eef3fb;
  --radius:16px; --radius-sm:11px;
  --shadow-sm:0 1px 2px rgba(10,31,69,.06),0 3px 10px rgba(10,31,69,.05);
  --shadow:0 12px 34px rgba(10,31,69,.12);
  --shadow-lg:0 26px 64px rgba(10,31,69,.18);
  --font:"Inter","Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,Arial,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;background:var(--bg)}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
img,svg{display:block}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 24px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:700;border:1.5px solid transparent;white-space:nowrap;transition:transform .15s,box-shadow .2s,background .2s,color .2s;cursor:pointer}
.btn--primary{background:linear-gradient(135deg,var(--blue-bright),var(--blue));color:#fff;box-shadow:0 10px 24px rgba(22,87,201,.30)}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(22,87,201,.42)}
.btn--gold{background:linear-gradient(135deg,#ffb24d,var(--gold-2));color:#3c1e00;box-shadow:0 10px 24px rgba(255,122,26,.30)}
.btn--gold:hover{transform:translateY(-1px)}
.btn--ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.30)}
.btn--ghost:hover{background:rgba(255,255,255,.14)}
.btn--outline{background:#fff;color:var(--blue);border-color:#cfe0f6}
.btn--outline:hover{border-color:var(--blue)}
.btn--sm{height:40px;padding:0 16px;font-size:14px}

.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:70px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand img{width:42px;height:42px}
.brand__zh{font-size:20px;letter-spacing:.02em;line-height:1.1}
.brand__en{font-size:10.5px;color:var(--faint);font-weight:700;letter-spacing:.08em}
.nav__links{display:flex;gap:24px;margin-left:10px}
.nav__links a{font-size:14.5px;color:var(--muted);font-weight:600}
.nav__links a:hover{color:var(--ink)}
.nav__cta{margin-left:auto;display:flex;align-items:center;gap:14px}
.lang{font-size:13.5px;font-weight:700;color:var(--blue);border:1.5px solid #cfe0f6;border-radius:8px;padding:7px 13px}
.lang:hover{background:var(--soft)}

/* hero */
.hero{position:relative;overflow:hidden;color:#e8f1fb;
  background:radial-gradient(1000px 460px at 84% -12%,rgba(47,143,245,.40),transparent 60%),
  radial-gradient(720px 380px at 4% 116%,rgba(242,148,27,.16),transparent 62%),
  linear-gradient(160deg,var(--navy),#071730 74%)}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;padding:80px 0 86px}
.hero__badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);font-size:12.5px;font-weight:600;color:#cfe4f7}
.hero__badge b{color:#ffce7a}
.hero h1{margin:22px 0 18px;font-size:clamp(32px,4.6vw,50px);line-height:1.14;font-weight:800;letter-spacing:-.02em;color:#fff}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#ffd27a,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:17px;color:#aec4dd;max-width:600px}
.hero__cta{display:flex;gap:14px;margin:30px 0 24px;flex-wrap:wrap}
.hero__trust{display:flex;gap:20px;flex-wrap:wrap;color:#8ea6c4;font-size:13px}
.hero__trust span{display:inline-flex;align-items:center;gap:7px}
.hero__trust b{color:#dfe9f6;font-weight:700}
.hdot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(242,148,27,.16)}
/* hero panel = migration snapshot */
.snap{background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:22px;box-shadow:var(--shadow-lg);backdrop-filter:blur(6px)}
.snap__h{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid rgba(255,255,255,.12)}
.snap__h b{font-size:14.5px;color:#fff}
.snap__h em{font-style:normal;font-size:11.5px;color:#ffce7a;font-weight:700}
.snap__row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.10);font-size:13.5px;color:#d4e2f2}
.snap__row:last-child{border-bottom:0}
.snap__row .k{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;font-size:11px;font-weight:800;color:#0a1f45;background:#9fd0ff;flex:none}
.snap__row .k.done{background:#7fe0b0}
.snap__row .v{flex:1;color:#e6eefa}
.snap__row .t{color:#8ea6c4;font-size:12px}

/* trust / capability bar */
.capbar{border-bottom:1px solid var(--line);background:#fff}
.capbar__in{display:flex;align-items:center;gap:18px;padding:20px 0;flex-wrap:wrap}
.capbar__label{font-size:12.5px;color:var(--faint);font-weight:700;letter-spacing:.03em}
.capbar__list{display:flex;gap:10px;flex-wrap:wrap}
.cap{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:8px;border:1px solid var(--line);background:var(--soft);font-size:13px;font-weight:700;color:var(--ink)}
.cap i{width:8px;height:8px;border-radius:2px;background:var(--blue)}

/* sections */
section{padding:84px 0}
.soft{background:var(--soft)}
.head{max-width:780px;margin:0 auto 52px}
.head--c{text-align:center;margin-left:auto;margin-right:auto}
.head h2{margin:13px 0 12px;font-size:clamp(27px,3.4vw,38px);font-weight:800;letter-spacing:-.01em}
.head p{color:var(--muted);font-size:16.5px}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc__card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .18s,box-shadow .2s,border-color .2s}
.svc__card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.svc__ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#e9f2ff,#dbe9ff);color:var(--blue);margin-bottom:16px}
.svc__card h3{font-size:18px;font-weight:800;margin-bottom:9px}
.svc__card>p{font-size:14px;color:var(--muted);margin-bottom:14px}
.svc__list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.svc__list li{font-size:13.5px;color:var(--ink);display:flex;gap:8px;align-items:flex-start}
.svc__list li svg{flex:none;margin-top:3px;color:var(--blue)}
.svc__tags{display:flex;gap:7px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:14px}
.aws-tag{font-size:11.5px;font-weight:800;color:#8a5a00;background:var(--gold-soft);border:1px solid #ffe1b0;padding:4px 9px;border-radius:6px}

/* methodology timeline */
.tl{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:8px}
.tl::before{content:"";position:absolute;top:23px;left:5%;right:5%;height:2px;background:linear-gradient(90deg,var(--blue-bright),var(--blue),var(--gold));opacity:.5}
.tl__step{position:relative;text-align:center;padding:0 4px}
.tl__n{position:relative;z-index:1;width:48px;height:48px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--blue-bright),var(--blue));box-shadow:0 8px 18px rgba(22,87,201,.32);border:4px solid #fff}
.tl__step h3{font-size:15px;font-weight:800;margin-bottom:6px}
.tl__step p{font-size:12.5px;color:var(--muted)}
.tl__step .en{display:block;font-size:11px;color:var(--faint);font-weight:700;letter-spacing:.04em;margin-top:2px}

/* tech approach */
.tech{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.tech__list{display:flex;flex-direction:column;gap:18px}
.tech__item{display:flex;gap:15px}
.tech__item .b{flex:none;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--gold-soft);color:var(--gold-2)}
.tech__item h3{font-size:16px;font-weight:800;margin-bottom:4px}
.tech__item p{font-size:14px;color:var(--muted)}
.tech__panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.tech__panel h4{font-size:13px;font-weight:800;color:var(--faint);letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px}
.tech__chips{display:flex;flex-wrap:wrap;gap:9px}
.tchip{font-size:12.5px;font-weight:700;color:var(--ink);background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-family:var(--mono)}
.tchip.hot{background:#eef4ff;border-color:#d3e3ff;color:var(--blue)}

/* stats band */
.stats{color:#e8f1fb;background:radial-gradient(700px 300px at 88% 0,rgba(47,143,245,.22),transparent 60%),linear-gradient(135deg,var(--navy2),var(--navy))}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats__grid b{display:block;font-size:34px;font-weight:800;color:#fff;letter-spacing:-.02em}
.stats__grid b em{font-style:normal;color:#ffce7a}
.stats__grid span{font-size:13.5px;color:#9fb4d0}

/* scenarios */
.scn{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scn__card{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.scn__card .ic{flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#e9f2ff,#dbe9ff);color:var(--blue)}
.scn__card h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.scn__card p{font-size:14px;color:var(--muted)}

/* why */
.why__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.why__card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.why__card .n{font-size:13px;font-weight:800;color:var(--gold-2);margin-bottom:10px}
.why__card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.why__card p{font-size:14px;color:var(--muted)}

/* faq */
.faq{max-width:840px;margin:0 auto;display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;overflow:hidden;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--shadow-sm);border-color:#cfe0f6}
.faq summary{list-style:none;cursor:pointer;padding:18px 20px;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--blue);font-size:22px;line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 20px 18px;color:var(--muted);font-size:14.5px}

/* about */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.about h2{font-size:clamp(26px,3.2vw,34px);font-weight:800;margin-bottom:16px}
.about p{color:var(--muted);font-size:15.5px;margin-bottom:14px}
.about__facts{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:8px 22px}
.about__facts .row{display:flex;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.about__facts .row:last-child{border-bottom:0}
.about__facts .row span{color:var(--muted)}
.about__facts .row b{color:var(--ink);font-weight:700;text-align:right}

/* contact */
.cta{color:#fff;background:radial-gradient(600px 280px at 50% -20%,rgba(47,143,245,.5),transparent 60%),linear-gradient(135deg,#0c2c5c,var(--navy))}
.cta__box{padding:64px 0;text-align:center}
.cta__box h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;margin-bottom:14px}
.cta__box p{color:#aec4dd;font-size:16.5px;margin-bottom:8px}
.cta__mail{font-size:19px;font-weight:800;color:#ffce7a;display:inline-block;margin:8px 0 24px}
.cta__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta small{display:block;color:#8ea6c4;margin-top:18px;font-size:13px}

/* disclosure */
.disclose{max-width:860px;margin:30px auto 0;text-align:center;font-size:13.5px;color:var(--muted);line-height:1.7}
.disclose b{color:var(--ink)}

/* footer */
footer{background:#061426;color:#93a6c1;padding:56px 0 26px;font-size:14px}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.foot .brand__zh{color:#fff}
.foot__about{max-width:320px;color:#7e93b1;font-size:13.5px;margin-top:14px}
.foot__col h4{font-size:13.5px;color:#fff;font-weight:700;margin-bottom:14px}
.foot__col a{display:block;padding:5px 0;color:#93a6c1}
.foot__col a:hover{color:#fff}
.foot__bottom{margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#6f85a4;line-height:1.7}

@media (max-width:960px){
  .hero__grid,.tech,.about{grid-template-columns:1fr}
  .snap{order:-1}
  .svc,.why__grid,.stats__grid{grid-template-columns:repeat(2,1fr)}
  .tl{grid-template-columns:repeat(3,1fr)}
  .tl::before{display:none}
  .foot{grid-template-columns:1fr 1fr}
  .nav__links{display:none}
}
@media (max-width:560px){
  section{padding:58px 0}
  .svc,.scn,.why__grid,.stats__grid,.tl{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .hero__grid{padding:54px 0 60px}
}