:root{
  --navy:#0B1F3A;--navy-deep:#081729;--navy-light:#102A43;--navy-lighter:#12355B;
  --gold:#C9A24D;--gold-bright:#D6A84F;--gold-dim:#8B7434;
  --orange:#F59E0B;--orange-hover:#D88B0A;
  --red-accent:#B91C1C;
  --white:#FFFFFF;--off-white:#FAFAF7;--paper:#F5F7FA;
  --gray-100:#E5E7EB;--gray-500:#6B7280;--gray-900:#1F2937;--text-primary:#111827;
  --radius-sm:4px;--radius:8px;--radius-lg:10px;
  --container:1280px;--container-wide:1440px;
  --font-serif:"PingFang SC","Microsoft YaHei",-apple-system,"Source Han Sans CN","Noto Serif SC",serif;
  --font-sans:"PingFang SC","Microsoft YaHei",-apple-system,"Source Han Sans CN","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Roboto Mono",monospace;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--text-primary);background:var(--white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none}
input,select,textarea{font:inherit;color:inherit}

/* Skip link & a11y */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--gold);color:var(--navy);padding:10px 16px;font-weight:600;z-index:10000}
.skip-link:focus{left:8px;top:8px}

/* Container & section */
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.container-wide{max-width:var(--container-wide);margin:0 auto;padding:0 24px}
section{padding:96px 0;position:relative}
.bg-paper{background:var(--paper)}
.bg-white{background:var(--white)}
.bg-navy{background:var(--navy);color:var(--white)}
.bg-navy-deep{background:var(--navy-deep);color:var(--white)}

/* Eyebrow / titles */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;font-weight:500;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.bg-white .eyebrow,.bg-paper .eyebrow{color:var(--gold-dim)}
.eyebrow::before{content:"";width:24px;height:1px;background:currentColor;display:inline-block}
.section-title{font-family:var(--font-serif);font-weight:700;font-size:clamp(28px,3.6vw,40px);line-height:1.25;color:var(--navy);margin-bottom:18px;letter-spacing:-.01em}
.bg-navy .section-title,.bg-navy-deep .section-title{color:var(--white)}
.section-subtitle{font-size:16px;color:var(--gray-500);max-width:780px;line-height:1.75;margin-bottom:48px}
.bg-navy .section-subtitle,.bg-navy-deep .section-subtitle{color:rgba(255,255,255,.72)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--radius);font-weight:600;font-size:15px;letter-spacing:.02em;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease;border:1px solid transparent;white-space:nowrap;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--orange);color:var(--white)}
.btn-primary:hover{background:var(--orange-hover);box-shadow:0 8px 22px rgba(245,158,11,.3)}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-bright)}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.6)}
.btn-outline-navy{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline-navy:hover{background:var(--navy);color:var(--white)}
.btn-block{display:flex;width:100%}
.btn-lg{padding:16px 32px;font-size:16px}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-visible{opacity:1;transform:none}

/* Cards generic */
.card{background:var(--white);border-radius:var(--radius-lg);padding:32px;border:1px solid var(--gray-100);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(11,31,58,.10);border-color:transparent}

/* Tag pills */
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:13px;line-height:1;background:rgba(201,162,77,.12);color:var(--gold-dim);font-weight:500;border:1px solid rgba(201,162,77,.25)}
.bg-navy .tag,.bg-navy-deep .tag{background:rgba(201,162,77,.14);color:var(--gold);border-color:rgba(201,162,77,.4)}

/* gold dot */
.gdot{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;flex-shrink:0}

/* -------------------- NAVIGATION -------------------- */
.nav{position:sticky;top:0;left:0;right:0;z-index:200;background:rgba(11,31,58,.92);backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-inner{max-width:var(--container-wide);margin:0 auto;padding:0 24px;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-brand{display:flex;align-items:center;gap:12px}
.nav-logo{width:56px;height:56px;object-fit:contain;flex-shrink:0}
.nav-brand-text{display:flex;flex-direction:column;line-height:1.1;color:#fff}
.nav-brand-cn{font-family:var(--font-serif);font-weight:700;font-size:17px;letter-spacing:.04em}
.nav-brand-en{font-family:var(--font-mono);font-size:11px;color:var(--gold);letter-spacing:.16em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:rgba(255,255,255,.78);font-size:14.5px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--gold)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-phone{display:flex;align-items:center;gap:8px;color:#fff;font-family:var(--font-mono);font-size:15px;font-weight:500}
.nav-phone svg{color:var(--gold)}
.nav-cta .btn{padding:10px 20px;font-size:14px}
.nav-toggle{display:none;width:40px;height:40px;color:#fff}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-phone{display:none}
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{display:none}
}
.nav-mobile{display:none;background:var(--navy-deep);padding:18px 24px 22px;border-top:1px solid rgba(255,255,255,.06)}
.nav-mobile.is-open{display:block}
.nav-mobile a{display:block;color:rgba(255,255,255,.85);padding:11px 0;border-bottom:1px solid rgba(255,255,255,.05);font-size:15px}
.nav-mobile a:last-child{border-bottom:none}
.nav-mobile .btn{margin-top:14px}

/* -------------------- HERO -------------------- */
.hero{background:var(--navy);color:#fff;padding:120px 0 100px;overflow:hidden;position:relative;isolation:isolate}
.hero-bg{position:absolute;inset:0;background:url('cases/hero-panorama.jpg') center/cover no-repeat;opacity:.34;z-index:-2;filter:saturate(.85) contrast(1.05)}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,var(--navy-deep) 0%,rgba(8,23,41,.85) 38%,rgba(11,31,58,.6) 60%,rgba(11,31,58,.85) 100%)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(201,162,77,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(201,162,77,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;z-index:-1}
.hero::after{content:"";position:absolute;top:-120px;right:-120px;width:520px;height:520px;background:radial-gradient(circle,rgba(201,162,77,.18),transparent 65%);pointer-events:none;z-index:-1}
.hero-glow-bl{position:absolute;bottom:-180px;left:-160px;width:540px;height:540px;background:radial-gradient(circle,rgba(245,158,11,.12),transparent 70%);pointer-events:none;z-index:-1}
.hero-grid{position:relative;display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;z-index:2}
.hero-eyebrow{color:var(--gold);font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:24px;display:flex;align-items:center;gap:10px}
.hero-eyebrow::before{content:"";width:32px;height:1px;background:var(--gold)}
.hero h1{font-family:var(--font-serif);font-weight:700;font-size:clamp(38px,5vw,56px);line-height:1.18;letter-spacing:-.02em;margin-bottom:28px;color:#fff}
.hero-slogan{font-family:var(--font-serif);font-style:italic;font-weight:500;font-size:clamp(16px,1.5vw,18px);color:rgba(255,255,255,.92);padding-left:18px;border-left:3px solid var(--gold);margin-bottom:30px;line-height:1.7}
.hero-subtitle{color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.75;margin-bottom:32px;max-width:600px}
.hero-lead{display:block;font-family:var(--font-serif);font-size:18px;font-weight:600;line-height:1.55;color:rgba(255,255,255,.95);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid rgba(201,162,77,.25)}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.hero-pill{padding:7px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.85)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:50px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding-top:36px;border-top:1px solid rgba(255,255,255,.1)}
.hero-stat-num{font-family:var(--font-mono);font-size:34px;font-weight:500;color:var(--gold);line-height:1;margin-bottom:8px;letter-spacing:-.01em}
.hero-stat-label{font-size:13px;color:rgba(255,255,255,.6);line-height:1.4}
.hero-visual{position:relative;height:520px}
.hero-card{position:absolute;background:linear-gradient(160deg,var(--navy-light),var(--navy-deep));border:1px solid rgba(201,162,77,.2);border-radius:var(--radius-lg);padding:18px 20px;width:270px;height:170px;display:flex;flex-direction:column;justify-content:flex-start;box-shadow:0 18px 48px rgba(0,0,0,.35);backdrop-filter:blur(8px);overflow:hidden}
.hero-card-num{font-family:var(--font-mono);font-size:10px;color:var(--gold);letter-spacing:.16em;margin-bottom:6px}
.hero-card-title{font-family:var(--font-serif);font-size:16px;color:#fff;margin-bottom:6px;font-weight:600;line-height:1.35}
.hero-card-desc{font-size:11.5px;color:rgba(255,255,255,.6);line-height:1.55;flex:1}
.hero-card-0{top:0;right:30px;background:linear-gradient(160deg,var(--navy-light),var(--navy-deep));border-color:rgba(245,158,11,.35)}
.hero-card-1{top:160px;right:160px;background:linear-gradient(160deg,var(--navy-lighter),var(--navy))}
.hero-card-2{top:320px;right:0;background:linear-gradient(160deg,var(--navy-light),var(--navy-deep))}
.hero-card-3{top:480px;right:130px;background:linear-gradient(160deg,var(--navy-lighter),var(--navy))}
.hero-card-line{height:2px;width:30px;background:var(--gold);margin-top:auto}
@media (max-width:1024px){
  .hero{padding:90px 0 80px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media (max-width:480px){
  .hero h1{font-size:32px}
  .hero-ctas .btn{flex:1 1 100%}
}

/* -------------------- 10-second cards -------------------- */
.ten-second{background:var(--navy-deep);color:#fff;padding:0;margin-top:-1px}
.ten-second-inner{max-width:var(--container);margin:0 auto;padding:0 24px;transform:translateY(-60px)}
.ten-second-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ts-card{background:linear-gradient(160deg,var(--navy-light),var(--navy));border:1px solid rgba(201,162,77,.18);border-radius:var(--radius-lg);padding:30px 26px;color:#fff;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.ts-card:hover{transform:translateY(-6px);border-color:rgba(201,162,77,.45);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.ts-icon{width:46px;height:46px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(201,162,77,.12);color:var(--gold);margin-bottom:16px}
.ts-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--gold);margin-bottom:10px}
.ts-q{font-family:var(--font-serif);font-size:14px;color:rgba(255,255,255,.6);margin-bottom:6px}
.ts-a{font-size:17px;font-weight:600;color:#fff;line-height:1.45;margin-bottom:14px}
.ts-desc{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.7;margin-bottom:18px}
.ts-link{display:inline-flex;align-items:center;gap:6px;color:var(--gold);font-size:13px;font-weight:600;letter-spacing:.04em;font-family:var(--font-mono)}
.ts-link:hover{color:var(--gold-bright)}
.ts-phone{font-family:var(--font-mono);font-weight:500;font-size:22px;color:var(--gold);letter-spacing:.04em;display:block;margin:6px 0 10px}
@media (max-width:1024px){.ten-second-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.ten-second-grid{grid-template-columns:1fr}.ten-second-inner{transform:translateY(-40px)}}

/* -------------------- Project Selector -------------------- */
.selector-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.selector-card{cursor:pointer;border:1px solid var(--gray-100);border-radius:var(--radius-lg);padding:26px 22px;background:#fff;transition:all .25s ease;text-align:left;display:flex;flex-direction:column;gap:12px;color:inherit}
.selector-card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:0 16px 40px rgba(11,31,58,.10)}
.selector-card.is-dark{background:var(--navy);color:#fff;border-color:transparent}
.selector-card.is-dark:hover{box-shadow:0 18px 44px rgba(11,31,58,.35)}
.selector-card-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--gold);font-weight:500}
.selector-card-title{font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--navy);line-height:1.4}
.selector-card.is-dark .selector-card-title{color:#fff}
.selector-card-desc{font-size:13.5px;color:var(--gray-500);line-height:1.65;flex:1}
.selector-card.is-dark .selector-card-desc{color:rgba(255,255,255,.65)}
.selector-card-arrow{display:inline-flex;align-items:center;color:var(--gold);font-size:13px;font-weight:600;font-family:var(--font-mono);gap:4px}
.selector-tip{margin-top:36px;padding:22px 28px;background:#fff;border-radius:var(--radius-lg);border-left:4px solid var(--gold);font-size:14.5px;color:var(--gray-900);line-height:1.7}
.selector-tip strong{color:var(--navy)}
@media (max-width:1024px){.selector-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.selector-grid{grid-template-columns:1fr}}

/* -------------------- Photo Quote -------------------- */
.photo-quote-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:start}
.pq-h{font-family:var(--font-serif);font-size:clamp(28px,3.4vw,38px);font-weight:700;line-height:1.3;color:#fff;margin-bottom:18px}
.pq-h em{font-style:normal;color:var(--gold)}
.pq-steps{display:flex;flex-direction:column;gap:18px;margin:36px 0 32px}
.pq-step{display:flex;gap:18px;padding:18px 20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg)}
.pq-step-num{font-family:var(--font-mono);font-size:12px;color:var(--gold);min-width:64px;letter-spacing:.16em;font-weight:500;padding-top:3px}
.pq-step-title{font-weight:600;color:#fff;margin-bottom:4px;font-size:15px}
.pq-step-desc{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.65}
.pq-channels{display:flex;flex-wrap:wrap;gap:12px}
.pq-card{background:rgba(255,255,255,.04);border:1px dashed rgba(201,162,77,.4);border-radius:var(--radius-lg);padding:38px 32px;text-align:center}
.pq-icon-big{width:72px;height:72px;border-radius:14px;background:rgba(201,162,77,.12);color:var(--gold);display:inline-flex;align-items:center;justify-content:center;margin-bottom:22px}
.pq-card-title{font-family:var(--font-serif);font-size:22px;color:#fff;font-weight:600;margin-bottom:12px}
.pq-card-desc{font-size:14px;color:rgba(255,255,255,.65);line-height:1.7;margin-bottom:24px}
.pq-card-notes{display:flex;flex-direction:column;gap:8px;margin-top:22px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08)}
.pq-card-notes li{font-size:12.5px;color:rgba(255,255,255,.55);display:flex;gap:8px;align-items:center;justify-content:center}
.pq-card-notes li::before{content:"·";color:var(--gold);font-weight:700}
@media (max-width:1024px){.photo-quote-grid{grid-template-columns:1fr;gap:36px}}

/* -------------------- Trust band -------------------- */
.trust-grid{display:grid;grid-template-columns:300px 1fr;gap:50px;align-items:center;padding:38px 0;border-top:1px solid var(--gray-100);border-bottom:1px solid var(--gray-100)}
.trust-label-num{font-family:var(--font-mono);font-size:11px;color:var(--gold-dim);letter-spacing:.18em;margin-bottom:8px}
.trust-label-title{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--navy)}
.trust-list{display:flex;flex-wrap:wrap;gap:12px 24px}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--gray-900)}
@media (max-width:768px){.trust-grid{grid-template-columns:1fr;gap:24px}}


/* -------------------- Pain points -------------------- */
.pain-table{display:flex;flex-direction:column;gap:14px;margin-bottom:48px}
.pain-row{display:grid;grid-template-columns:1fr 60px 1fr;gap:18px;align-items:stretch}
.pain-cell{padding:22px 24px;border-radius:var(--radius-lg);font-size:14.5px;line-height:1.65;display:flex;gap:14px;align-items:flex-start}
.pain-cell-num{font-family:var(--font-mono);font-size:11px;color:var(--gold-dim);letter-spacing:.16em;min-width:24px;padding-top:3px}
.pain-cell-text{flex:1}
.pain-bad{background:#fff;border-left:4px solid var(--red-accent);color:var(--gray-900)}
.pain-good{background:#fff;border-left:4px solid var(--gold);color:var(--navy);font-weight:500}
.pain-arrow{display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:24px}
@media (max-width:768px){
  .pain-row{grid-template-columns:1fr;gap:8px}
  .pain-arrow{transform:rotate(90deg);height:30px}
}
.pain-cta{text-align:center}

/* -------------------- Services overview + detail -------------------- */
.service-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:80px}
.service-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:24px 22px;color:#fff;display:flex;flex-direction:column;gap:10px;transition:all .25s ease;cursor:pointer}
.service-card:hover{background:rgba(201,162,77,.08);border-color:rgba(201,162,77,.35);transform:translateY(-4px)}
.service-card-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--gold)}
.service-card-title{font-family:var(--font-serif);font-size:16px;font-weight:600;color:#fff}
.service-card-desc{font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.6}
@media (max-width:1024px){.service-overview{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.service-overview{grid-template-columns:1fr}}

.service-detail{display:grid;grid-template-columns:320px 1fr;gap:50px;padding:60px 0;border-top:1px solid rgba(255,255,255,.08);scroll-margin-top:calc(var(--nav-h) + 16px)}
.service-detail:first-of-type{border-top:none;padding-top:0}
.sd-aside{position:sticky;top:calc(var(--nav-h) + 24px);align-self:start}
.sd-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--gold);margin-bottom:12px}
.sd-title{font-family:var(--font-serif);font-size:28px;font-weight:700;line-height:1.3;color:#fff;margin-bottom:18px}
.sd-intro{font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.85;margin-bottom:22px}
.sd-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.sd-tags .tag{font-size:12px;padding:5px 11px}
.sd-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.sd-cell{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:24px}
.sd-cell-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08)}
.sd-cell-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--gold)}
.sd-cell-title{font-size:14px;font-weight:600;color:#fff}
.sd-cell ul{display:flex;flex-direction:column;gap:10px}
.sd-cell li{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.6;display:flex;gap:10px}
.sd-cell li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);flex-shrink:0;margin-top:8px}
@media (max-width:1024px){
  .service-detail{grid-template-columns:1fr;gap:30px}
  .sd-aside{position:static}
}
@media (max-width:560px){.sd-grid{grid-template-columns:1fr}}

/* -------------------- Cases -------------------- */
.case-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;padding-bottom:18px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.case-tab{padding:8px 18px;border-radius:999px;font-size:13.5px;font-weight:500;color:var(--gray-500);background:#fff;border:1px solid var(--gray-100);transition:all .2s ease;white-space:nowrap}
.case-tab:hover{border-color:var(--gold);color:var(--navy)}
.case-tab.is-active{background:var(--navy);color:#fff;border-color:var(--navy)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-100);transition:all .3s ease;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(11,31,58,.13)}
.case-card.is-hidden{display:none}
.case-img{aspect-ratio:4/3;background-color:var(--navy);background-size:cover;background-position:center;position:relative;overflow:hidden}
.case-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(11,31,58,.25))}
.case-img-1{background-image:url('cases/case-01-zhonghang.jpg');background-position:center 22%}
.case-img-2{background-image:url('cases/case-02-jinyu.jpg')}
.case-img-3{background-image:url('cases/case-03-zhongguotonghao.jpg')}
.case-img-4{background-image:url('cases/case-04-qinghua.jpg')}
.case-img-5{background-image:url('cases/case-05-longji.jpg')}
.case-img-6{background-image:url('cases/case-06-xinhualian.jpg')}
.case-img-7{background-image:url('cases/case-07-shouchuang.jpg')}
.case-img-8{background-image:url('cases/case-08-shoushifuzhong.jpg')}
.case-img-10{background-image:url('cases/case-10-davinci.jpg')}
.case-img-11{background-image:url('cases/case-11-guangming.jpg')}
.case-img-12{background-image:url('cases/case-12-gree.jpg')}
.case-img-13{background-image:url('cases/case-13-zhongyan.jpg')}
.case-img-14{background-image:url('cases/case-14-hangzhen.jpg')}
.case-img-15{background-image:url('cases/case-15-dangjian.jpg')}
.case-img-16{background-image:url('cases/case-16-cetaav.jpg')}
.case-img-17{background-image:url('cases/case-17-zhinengzhizao.jpg')}
.case-img-18{background-image:url('cases/case-18-fengzhuang.jpg')}
.case-img-19{background-image:url('cases/case-19-guoqiqiang.jpg')}
.case-img-20{background-image:url('cases/case-20-juanzhou.jpg')}
.case-img-21{background-image:url('cases/case-21-xiaoshiguan.jpg')}
.case-img-22{background-image:url('cases/case-22-youlai.jpg')}
.case-body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.case-meta{display:flex;align-items:center;justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--gold-dim);letter-spacing:.16em}
.case-cat{padding:3px 10px;border-radius:999px;background:rgba(201,162,77,.1);color:var(--gold-dim);text-transform:none;letter-spacing:0;font-family:var(--font-sans);font-size:12px}
.case-title{font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--navy);line-height:1.4}
.case-desc{font-size:13.5px;color:var(--gray-500);line-height:1.65}
@media (max-width:1024px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.case-grid{grid-template-columns:1fr}}

/* -------------------- Consultation (free) -------------------- */
.cons-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:start}
.cons-lead{font-size:15.5px;color:var(--gray-900);line-height:1.85;margin-bottom:32px}
.cons-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;margin-bottom:36px}
.cons-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--gray-900);line-height:1.6}
.cons-check{color:var(--gold);flex-shrink:0;width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;background:rgba(201,162,77,.12);border-radius:50%;font-weight:700;font-size:11px;margin-top:2px}
.cons-ctas{display:flex;flex-wrap:wrap;gap:14px}
.cons-card{position:relative;background:#fff;border-radius:var(--radius-lg);padding:36px 32px;border:1px solid var(--gray-100);box-shadow:0 12px 32px rgba(11,31,58,.06)}
.cons-badge{position:absolute;top:18px;right:18px;background:var(--orange);color:#fff;font-size:12px;padding:5px 12px;border-radius:999px;font-weight:600;letter-spacing:.04em}
.cons-card-title{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--navy);margin-bottom:24px;padding-right:60px}
.cons-steps{display:flex;flex-direction:column;gap:18px;margin-bottom:24px}
.cons-step{display:flex;gap:16px;align-items:flex-start}
.cons-step-num{width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:13px;font-weight:600;flex-shrink:0}
.cons-step-body{flex:1}
.cons-step-title{font-weight:600;color:var(--navy);margin-bottom:4px;font-size:14.5px}
.cons-step-desc{font-size:13px;color:var(--gray-500);line-height:1.65}
.cons-foot{padding:14px 18px;background:var(--paper);border-radius:var(--radius);font-size:13px;color:var(--gray-900);text-align:center;display:flex;align-items:center;justify-content:center;gap:8px}
.cons-foot strong{color:var(--orange)}
@media (max-width:1024px){.cons-grid{grid-template-columns:1fr;gap:30px}.cons-list{grid-template-columns:1fr}}

/* -------------------- Process 8 steps -------------------- */
.proc-header{text-align:center;max-width:760px;margin:0 auto 56px}
.proc-header .eyebrow{justify-content:center}
.proc-header .section-title{margin-bottom:18px}
.proc-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;padding:0}
.proc-step{display:flex;flex-direction:column;background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius-lg);overflow:hidden;transition:all .25s ease}
.proc-step:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 16px 36px rgba(11,31,58,.1)}
.proc-step-body{padding:18px 20px}
.proc-step-head{display:flex;align-items:baseline;gap:12px;margin-bottom:8px}
.proc-step-num{font-family:var(--font-mono);font-size:26px;color:var(--gold);font-weight:500;line-height:1;letter-spacing:-.02em}
.proc-step-title{font-family:var(--font-serif);font-size:15.5px;font-weight:600;color:var(--navy);line-height:1.35;flex:1}
.proc-step-desc{font-size:12.5px;color:var(--gray-500);line-height:1.65;margin-bottom:10px}
.proc-step-tag{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:var(--gold-dim);font-family:var(--font-mono);letter-spacing:.04em}
.proc-step-tag::before{content:"●";font-size:8px}
.proc-step-img{aspect-ratio:4/3;background-size:cover;background-position:center;border-top:1px solid var(--gray-100);margin-top:auto}
@media (max-width:1024px){.proc-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.proc-list{grid-template-columns:1fr}}

/* -------------------- Solutions / Why-us 6 cards -------------------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why-card{padding:32px 28px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);color:#fff;transition:all .3s ease}
.why-card:hover{background:rgba(201,162,77,.08);border-color:rgba(201,162,77,.4);transform:translateY(-6px)}
.why-num{font-family:var(--font-mono);font-size:32px;color:var(--gold);line-height:1;font-weight:500;margin-bottom:18px}
.why-title{font-family:var(--font-serif);font-size:18px;font-weight:600;color:#fff;margin-bottom:10px;line-height:1.4}
.why-desc{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
@media (max-width:1024px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.why-grid{grid-template-columns:1fr}}

/* -------------------- Contact form -------------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.contact-promises{display:flex;flex-direction:column;gap:14px;margin-bottom:40px}
.contact-promises li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.85);line-height:1.6}
.contact-promises .cons-check{background:rgba(201,162,77,.18);color:var(--gold)}
.cta-contact-blocks{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cta-contact-block{padding:18px 20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius)}
.cta-contact-block-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:var(--gold);margin-bottom:8px}
.cta-contact-block-value{font-size:14.5px;color:#fff;line-height:1.5;font-weight:500}
.cta-contact-block-value a:hover{color:var(--gold)}
.cta-contact-block-sub{font-size:12px;color:rgba(255,255,255,.55);margin-top:4px}
.form-card{background:#fff;border-radius:var(--radius-lg);padding:38px 36px;box-shadow:0 24px 60px rgba(0,0,0,.25)}
.form-card-title{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--navy);margin-bottom:8px}
.form-card-sub{font-size:13.5px;color:var(--gray-500);margin-bottom:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row{display:flex;flex-direction:column;gap:6px}
.form-row.full{grid-column:1 / -1}
.form-input,.form-select,.form-textarea{width:100%;padding:13px 16px;font-size:15px;background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);color:var(--text-primary);transition:border-color .2s,box-shadow .2s}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(11,31,58,.08)}
.form-textarea{min-height:110px;resize:vertical;font-family:inherit}
.form-check{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--gray-900);cursor:pointer;padding:6px 0}
.form-check input{width:18px;height:18px;accent-color:var(--navy)}
.form-error{font-size:12.5px;color:var(--red-accent);min-height:16px;margin-top:2px}
.form-submit{margin-top:8px}
.form-privacy{font-size:12px;color:var(--gray-500);margin-top:14px;text-align:center;line-height:1.6}
@media (max-width:1024px){.contact-grid{grid-template-columns:1fr;gap:36px}.cta-contact-blocks{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.form-grid{grid-template-columns:1fr}.form-card{padding:28px 22px}.form-input,.form-select,.form-textarea{font-size:16px}}

/* -------------------- FAQ -------------------- */
.faq-grid{display:grid;grid-template-columns:300px 1fr;gap:60px;align-items:start}
.faq-aside{position:sticky;top:calc(var(--nav-h) + 32px)}
.faq-phone-card{background:linear-gradient(160deg,var(--navy),var(--navy-light));color:#fff;border:1px solid rgba(201,162,77,.3);border-radius:var(--radius-lg);padding:30px;margin-top:24px}
.faq-phone-eyebrow{font-family:var(--font-mono);font-size:11px;color:var(--gold);letter-spacing:.18em;margin-bottom:12px}
.faq-phone-num{font-family:var(--font-mono);font-size:24px;font-weight:500;color:var(--gold);letter-spacing:.04em;margin-bottom:8px;display:block}
.faq-phone-num:hover{color:var(--gold-bright)}
.faq-phone-sub{font-size:13px;color:rgba(255,255,255,.65);line-height:1.6}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius-lg);overflow:hidden;transition:border-color .2s}
.faq-item.is-open{border-color:var(--gold)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;width:100%;text-align:left;font-weight:600;font-size:15.5px;color:var(--navy);font-family:var(--font-serif)}
.faq-q-num{font-family:var(--font-mono);font-size:11px;color:var(--gold);letter-spacing:.18em;margin-right:12px;flex-shrink:0}
.faq-q-text{flex:1}
.faq-icon{width:28px;height:28px;border-radius:50%;background:var(--paper);display:inline-flex;align-items:center;justify-content:center;color:var(--navy);transition:transform .25s}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--gold);color:#fff}
.faq-a{display:none;padding:0 26px 22px 26px;color:var(--gray-900);font-size:14.5px;line-height:1.85}
.faq-a p+p{margin-top:10px}
.faq-item.is-open .faq-a{display:block}
@media (max-width:1024px){.faq-grid{grid-template-columns:1fr;gap:30px}.faq-aside{position:static}}

/* -------------------- Footer -------------------- */
.footer{background:var(--navy-deep);color:rgba(255,255,255,.7);padding:80px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:50px}
.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.footer-logo{width:52px;height:52px;object-fit:contain}
.footer-brand-cn{font-family:var(--font-serif);font-size:18px;font-weight:700;color:#fff}
.footer-brand-en{font-family:var(--font-mono);font-size:11px;color:var(--gold);letter-spacing:.18em;margin-top:3px}
.footer-slogan{font-family:var(--font-serif);font-style:italic;font-size:14px;color:rgba(255,255,255,.78);padding-left:14px;border-left:2px solid var(--gold);margin-bottom:20px;line-height:1.7}
.footer-desc{font-size:13.5px;color:rgba(255,255,255,.55);line-height:1.75;margin-bottom:22px}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px}
.footer-contact a,.footer-contact span{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.65);line-height:1.6}
.footer-contact a:hover{color:var(--gold)}
.footer-contact svg{color:var(--gold);flex-shrink:0;margin-top:2px}
.footer-col-title{font-family:var(--font-serif);font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:13.5px}
.footer-links a{color:rgba(255,255,255,.55);transition:color .2s}
.footer-links a:hover{color:var(--gold)}
.footer-qr{text-align:left}
.footer-qr-img{width:140px;height:140px;background:#fff;padding:8px;border-radius:var(--radius);display:block}
.footer-qr-img img{width:100%;height:100%;object-fit:contain;display:block;border-radius:4px}
.footer-qr-label{font-size:12.5px;color:rgba(255,255,255,.65);margin-top:10px;line-height:1.6}
.footer-bottom{padding-top:24px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:12.5px;color:rgba(255,255,255,.45)}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--gold)}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* -------------------- Float bar -------------------- */
.float-bar{position:fixed;right:18px;bottom:24px;z-index:300;display:flex;flex-direction:column;gap:10px}
.float-btn{position:relative;width:54px;height:54px;border-radius:14px;background:var(--navy);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(11,31,58,.3);transition:all .25s ease;border:1px solid rgba(201,162,77,.25)}
.float-btn:hover{background:var(--orange);border-color:var(--orange);transform:translateY(-3px)}
.float-btn-tooltip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);background:var(--navy-deep);color:#fff;padding:8px 14px;border-radius:var(--radius);font-size:12.5px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;line-height:1.5}
.float-btn-tooltip::after{content:"";position:absolute;left:100%;top:50%;transform:translateY(-50%);border:6px solid transparent;border-left-color:var(--navy-deep)}
.float-btn:hover .float-btn-tooltip{opacity:1}
.float-qr-popup{position:absolute;right:calc(100% + 14px);top:50%;transform:translateY(-50%) scale(.92);transform-origin:right center;background:#fff;padding:14px;border-radius:var(--radius-lg);box-shadow:0 18px 44px rgba(11,31,58,.3);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;width:170px;text-align:center}
.float-qr-popup img{width:142px;height:142px;display:block;margin:0 auto 8px}
.float-qr-popup-text{font-size:12px;color:var(--gray-500);line-height:1.55}
.float-btn.has-qr:hover .float-qr-popup{opacity:1;transform:translateY(-50%) scale(1);pointer-events:auto}
@media (max-width:640px){
  .float-bar{right:12px;bottom:14px;gap:8px}
  .float-btn{width:48px;height:48px;border-radius:12px}
  .float-btn-tooltip{display:none}
}

/* -------------------- Modal -------------------- */
.modal{position:fixed;inset:0;background:rgba(8,23,41,.75);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:20px;z-index:1000}
.modal.is-open{display:flex}
.modal-card{background:#fff;border-radius:var(--radius-lg);padding:42px 38px;max-width:480px;width:100%;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.modal-icon{width:72px;height:72px;border-radius:50%;background:rgba(201,162,77,.12);color:var(--gold);display:inline-flex;align-items:center;justify-content:center;margin:0 auto 22px}
.modal-title{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--navy);margin-bottom:12px}
.modal-desc{font-size:14.5px;color:var(--gray-500);line-height:1.75;margin-bottom:24px}
.modal-list{text-align:left;background:var(--paper);padding:18px 20px;border-radius:var(--radius);margin-bottom:24px}
.modal-list li{display:flex;gap:10px;font-size:13.5px;color:var(--gray-900);padding:5px 0;line-height:1.6}
.modal-list li::before{content:"→";color:var(--gold);font-weight:600;flex-shrink:0}
.modal-close{margin-top:6px}

/* responsive section padding */
@media (max-width:768px){section{padding:72px 0}.container{padding:0 18px}}

/* ============================================================
   v2 多页升级兼容补丁（services + contact 页面用的别名 class）
   ============================================================ */

/* nav-brand-txt（业务页用此别名，等同于 nav-brand-text） */
.nav-brand-txt{display:flex;flex-direction:column;line-height:1.1;color:#fff}
.nav-brand-txt .nav-brand-cn{font-family:var(--font-serif);font-weight:700;font-size:17px;letter-spacing:.04em}
.nav-brand-txt .nav-brand-en{font-family:var(--font-mono);font-size:11px;color:var(--gold);letter-spacing:.16em;margin-top:3px}

/* 浮动联系栏 - float-rail（业务页用此别名，等同于 float-bar） */
.float-rail{position:fixed;right:18px;bottom:24px;z-index:300;display:flex;flex-direction:column;gap:10px}
.float-rail .float-btn{position:relative;width:54px;height:54px;border-radius:14px;background:var(--navy);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(11,31,58,.3);transition:all .25s ease;border:1px solid rgba(201,162,77,.25)}
.float-rail .float-btn:hover{background:var(--orange);border-color:var(--orange);transform:translateY(-3px)}
.float-rail .float-back-top{background:var(--gold);color:var(--navy);border-color:transparent}
.float-rail .float-back-top:hover{background:var(--gold-bright);color:var(--navy)}
@media (max-width:640px){
  .float-rail{right:12px;bottom:14px;gap:8px}
  .float-rail .float-btn{width:48px;height:48px;border-radius:12px}
}

/* footer-list（业务页用此别名，等同于 footer-links） */
.footer-list{display:flex;flex-direction:column;gap:11px;font-size:13.5px;list-style:none;padding:0;margin:0}
.footer-list li{padding:0}
.footer-list a{color:rgba(255,255,255,.55);transition:color .2s}
.footer-list a:hover{color:var(--gold)}

/* footer-contact 业务页用 <li><strong>电话</strong> <a>...</a></li> 结构修正 */
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13.5px;list-style:none;padding:0;margin:14px 0 0}
.footer-contact li{display:flex;gap:10px;align-items:baseline;color:rgba(255,255,255,.65);line-height:1.6;padding:3px 0}
.footer-contact li strong{color:rgba(255,255,255,.85);font-weight:600;min-width:64px;flex-shrink:0;font-size:12.5px}
.footer-contact li a{color:rgba(255,255,255,.65);transition:color .2s}
.footer-contact li a:hover{color:var(--gold)}

/* footer-company 公司全名 */
.footer-company{font-size:13.5px;color:rgba(255,255,255,.85);font-weight:500;margin:14px 0 8px}

/* footer-qr-col 微信二维码占位符 */
.footer-qr-col{display:flex;flex-direction:column;align-items:flex-start}
.footer-qr{margin:6px 0 10px}
.qr-placeholder{width:140px;height:140px;background:rgba(255,255,255,.05);border:1px dashed rgba(201,162,77,.4);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);font-size:12px;text-align:center;padding:14px;font-family:var(--font-serif)}

/* btn-ghost-dark（业务页相关案例下方"查看全部案例"按钮使用） */
.btn-ghost-dark{background:transparent;color:var(--navy);border:1px solid var(--navy);padding:13px 26px;border-radius:var(--radius);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:8px;transition:all .2s ease}
.btn-ghost-dark:hover{background:var(--navy);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(11,31,58,.2)}

/* 联系页表单 label（contact.html 表单用） */
.form-row label{font-size:13.5px;color:var(--navy);font-weight:600;margin-bottom:2px}
.form-row label[for]{cursor:pointer}