:root{
  --bg: #071a12;
  --bg2: #052014;
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.09);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.58);
  --brand: #16a34a;
  --brand2: #22c55e;
  --brand3: #34d399;
  --line: rgba(255,255,255,.12);
  --shadow: 0 20px 55px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 26px;
  --max: 1120px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1100px 500px at 15% -10%, rgba(34,197,94,.22), transparent 60%),
    radial-gradient(800px 400px at 80% 10%, rgba(52,211,153,.16), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  color: var(--text);
  overflow-x: hidden;
}

.container{
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

a{ color: inherit; }

.skip-link{
  position: absolute;
  left: 12px;
  top: -60px;
  padding: 10px 12px;
  background: #0b2a1b;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  transition: top .2s ease;
  z-index: 1000;
}
.skip-link:focus{ top: 12px; outline: 2px solid rgba(34,197,94,.6); }

/* Header + Nav */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(7,26,18,.55);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .2px;
}
.brand-mark{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,.35), transparent 52%),
    linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
  box-shadow: 0 12px 30px rgba(34,197,94,.25);
}
.brand-text{ font-size: 16px; white-space: nowrap; }

.nav{ position: relative; }
.nav-toggle{
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: var(--text);
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}
.nav-toggle:focus{ outline: 2px solid rgba(34,197,94,.6); outline-offset: 2px; }
.nav-toggle-line{
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: rgba(255,255,255,.85);
}

.nav-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 10px;
}
.nav-list a{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 14px;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  transition: all .2s ease;
  font-weight: 650;
  letter-spacing: .1px;
}
.nav-list a:hover{
  color: var(--text);
  border-color: rgba(34,197,94,.35);
  background: rgba(34,197,94,.08);
}
.nav-list a.is-active{
  color: var(--text);
  border-color: rgba(34,197,94,.6);
  background: rgba(34,197,94,.13);
}

/* Sections */
main{ padding-bottom: 40px; }
.hero{
  padding: 44px 0 20px;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  align-items: stretch;
}
.hero-copy{
  padding: 10px 0;
}
.hero-kicker{
  margin: 0 0 10px;
  color: rgba(52,211,153,.95);
  font-weight: 800;
}
.hero-title{
  margin: 0;
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -.5px;
}
.hero-title-accent{
  display: block;
  font-size: .54em;
  color: rgba(255,255,255,.72);
  font-weight: 700;
  letter-spacing: 0;
  margin-top: 10px;
}
.hero-desc{
  margin: 14px 0 18px;
  color: var(--muted);
  line-height: 1.65;
  max-width: 64ch;
}
.hero-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 18px;
}
.hero-badges{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.badge{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.8);
  font-weight: 650;
}

.hero-card{
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.08) 0%, rgba(255,255,255,.04) 100%);
  box-shadow: var(--shadow);
  padding: 18px 18px 14px;
}
.card-title{
  margin: 0 0 10px;
  font-size: 18px;
}
.meta{
  margin: 0;
  padding: 0;
}
.meta-row{
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px dashed rgba(255,255,255,.10);
}
.meta-row:first-child{ border-top: none; padding-top: 0; }
.meta-row dt{
  color: var(--muted2);
  font-weight: 650;
}
.meta-row dd{
  margin: 0;
  color: rgba(255,255,255,.86);
}
.card-note{
  margin: 12px 0 0;
  color: var(--muted2);
  line-height: 1.6;
  font-size: 13px;
}

.section{
  padding: 64px 0;
}
.section-alt{
  background: linear-gradient(180deg, rgba(34,197,94,.06) 0%, rgba(0,0,0,0) 65%);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}
.section-title{
  margin: 0;
  font-size: 28px;
}
.section-subtitle{
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  max-width: 55ch;
  font-weight: 550;
}

.grid-2{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
}
.prose h3{
  margin: 0 0 10px;
  font-size: 18px;
}
.prose p{
  margin: 0 0 20px;
  color: rgba(255,255,255,.82);
  line-height: 1.75;
}
.checklist{
  margin: 0;
  padding: 0;
  list-style: none;
}
.checklist li{
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.82);
}
.checklist li:first-child{ border-top: none; padding-top: 0; }
.checklist li::before{
  content: "";
  margin-top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 4px;
  background: rgba(34,197,94,.9);
  box-shadow: 0 10px 22px rgba(34,197,94,.25);
}

.panel{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding: 16px;
}
.panel h3{ margin: 0 0 10px; font-size: 18px; }
.muted{ color: var(--muted2); }
.panel-list{
  margin-top: 12px;
  display: grid;
  gap: 10px;
}
.panel-item{
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.panel-dot{
  width: 10px;
  height: 10px;
  border-radius: 4px;
  background: rgba(34,197,94,.88);
  margin-top: 6px;
  box-shadow: 0 12px 28px rgba(34,197,94,.22);
}
.panel-footer{
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(255,255,255,.12);
}
.link{
  text-decoration: none;
  color: rgba(52,211,153,.95);
  font-weight: 700;
}
.link:hover{ text-decoration: underline; }

/* Buttons */
.btn{
  height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.9);
  text-decoration: none;
  font-weight: 750;
  letter-spacing: .1px;
  transition: all .2s ease;
  cursor: pointer;
}
.btn:focus{ outline: 2px solid rgba(34,197,94,.6); outline-offset: 2px; }
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  border-color: rgba(34,197,94,.55);
  background: linear-gradient(135deg, rgba(34,197,94,.95), rgba(22,163,74,.92));
  color: #062012;
  box-shadow: 0 18px 44px rgba(34,197,94,.22);
}
.btn-ghost{
  background: rgba(255,255,255,.04);
}

/* Services Cards */
.cards{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding: 16px;
  min-height: 210px;
  box-shadow: 0 10px 26px rgba(0,0,0,.12);
}
.card h3{
  margin: 0 0 10px;
  font-size: 18px;
}
.card p{ margin: 0 0 14px; line-height: 1.65; }
.inline-check{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.inline-check li{
  padding-left: 18px;
  position: relative;
  color: rgba(255,255,255,.82);
}
.inline-check li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 4px;
  background: rgba(34,197,94,.88);
}

.callout{
  margin-top: 18px;
  border-radius: var(--radius2);
  border: 1px solid rgba(34,197,94,.25);
  background: linear-gradient(180deg, rgba(34,197,94,.10), rgba(255,255,255,.03));
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.callout strong{ font-size: 14px; }

/* Cases */
.case-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.case{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding: 16px;
}
.case h3{ margin: 0 0 10px; font-size: 18px; }
.case p{ margin: 0 0 12px; line-height: 1.65; }
.case-tags{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.78);
  font-weight: 650;
  font-size: 12px;
}
.divider{
  height: 1px;
  background: rgba(255,255,255,.08);
  margin: 28px 0 18px;
}
.faq details{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 12px 14px;
  margin-bottom: 10px;
}
.faq summary{
  cursor: pointer;
  font-weight: 750;
}
.faq p{ margin: 10px 0 0; line-height: 1.65; }

/* Contact */
.grid-contact{
  align-items: start;
}
.form{
  display: grid;
  gap: 12px;
}
.form-row label{
  display: grid;
  gap: 8px;
  color: rgba(255,255,255,.82);
  font-weight: 700;
}
.form input, .form textarea{
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: var(--text);
  padding: 12px 12px;
  outline: none;
}
.form textarea{ resize: vertical; min-height: 120px; }
.form input:focus, .form textarea:focus{
  border-color: rgba(34,197,94,.65);
  box-shadow: 0 0 0 3px rgba(34,197,94,.18);
}
.form-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 2px;
}
.form-hint{
  margin: 0;
  color: var(--muted2);
  font-size: 13px;
  line-height: 1.6;
}
.contact-side .contact-meta p{
  margin: 8px 0;
}

/* Footer */
.site-footer{
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 26px 0 34px;
}
.footer-inner{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.footer-brand{
  font-weight: 850;
}
.footer-copy{ font-size: 13px; }

.hero, .section{ scroll-margin-top: 90px; }

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid{ grid-template-columns: 1fr; }
  .callout{ flex-direction: column; align-items: flex-start; }
  .section-head{ flex-direction: column; align-items: flex-start; }
  .meta-row{ grid-template-columns: 92px 1fr; }
}

@media (max-width: 720px){
  .nav-toggle{ display: inline-flex; }
  .nav-list{
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: 240px;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(7,26,18,.92);
    box-shadow: 0 20px 55px rgba(0,0,0,.45);
    display: none;
    flex-direction: column;
    gap: 6px;
  }
  .nav-list.is-open{ display: flex; }
  .nav-list a{ height: 42px; justify-content: flex-start; padding-left: 14px; }
}