/* CMS portal v3 - 高端科技风 + 移动端优先 */

:root {
  --bg: #070b16;
  --bg-soft: #0f172a;
  --surface: #0f1b32;
  --surface-light: #111f39;
  --text: #e6eefc;
  --muted: #9fb2d6;
  --line: rgba(159, 178, 214, 0.22);
  --primary: #3b82f6;
  --primary-2: #22d3ee;
  --accent: #8b5cf6;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 20px 50px rgba(2, 6, 23, 0.45);
  --font: "Noto Sans SC", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(circle at 10% -10%, rgba(34, 211, 238, 0.12), transparent 30%),
              radial-gradient(circle at 90% 0%, rgba(139, 92, 246, 0.12), transparent 28%),
              var(--bg);
  line-height: 1.65;
}

.portal-container {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
}

.portal-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(7, 11, 22, 0.84);
  backdrop-filter: blur(14px);
}
.portal-nav__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.portal-brand {
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(15, 27, 50, 0.7);
  color: var(--text);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  font-size: 1.05rem;
}
.portal-nav__links {
  display: flex;
  align-items: center;
  gap: 14px;
}
.portal-nav__links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.portal-nav__links a:hover { color: #dbeafe; }

.portal-hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 74px;
}
.hero-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.hero-glow--one {
  top: -260px;
  left: -120px;
  background: rgba(59, 130, 246, 0.38);
}
.hero-glow--two {
  right: -120px;
  top: -180px;
  background: rgba(139, 92, 246, 0.33);
}
.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 24px;
  align-items: center;
}
.hero-kicker {
  margin: 0 0 14px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #93c5fd;
}
.portal-hero__title {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4.4vw, 3.35rem);
  line-height: 1.15;
  color: #f8fbff;
}
.portal-hero__sub {
  margin: 0;
  max-width: 760px;
  color: #bfd0ef;
  font-size: 1.05rem;
}
.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.93rem;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}
.btn-ghost {
  color: #dbeafe;
  border: 1px solid var(--line);
}
.hero-metrics {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
}
.hero-metrics div {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(15, 27, 50, 0.65);
}
.hero-metrics strong {
  display: block;
  color: #fff;
  font-size: 1.14rem;
}
.hero-metrics span { color: #b7c8e6; font-size: 0.82rem; }
.hero-panel {
  background: linear-gradient(180deg, rgba(17, 31, 57, 0.92), rgba(8, 15, 30, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.hero-panel h3 { margin: 0 0 8px; }
.hero-panel p { margin: 0 0 12px; color: #c4d3ee; }
.hero-panel ul { margin: 0; padding-left: 18px; color: #d7e4f8; }
.hero-panel li { margin: 6px 0; }

.portal-main { padding: 24px 0 54px; }
.section { padding: 34px 0; }
.section-alt {
  background: linear-gradient(180deg, rgba(11, 18, 35, 0.9), rgba(9, 16, 31, 0.9));
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
.section-head {
  text-align: center;
  margin-bottom: 20px;
}
.section-head.left { text-align: left; }
.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 2.7vw, 2rem);
  color: #f8fbff;
}
.section-head p { margin: 0; color: var(--muted); }

.feature-grid,
.solution-grid,
.case-grid,
.service-grid {
  display: grid;
  gap: 14px;
}
.feature-grid,
.solution-grid,
.case-grid,
.service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.feature-card,
.solution-grid article,
.case-card,
.service-grid article {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(19, 34, 61, 0.92), rgba(12, 23, 43, 0.92));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.feature-card h3,
.solution-grid h3,
.case-card h3,
.service-grid h3 {
  margin: 0 0 8px;
  color: #eef5ff;
}
.feature-card p,
.solution-grid p,
.case-card p,
.service-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.case-cover {
  height: 138px;
  border-radius: 12px;
  margin-bottom: 10px;
  border: 1px solid rgba(226, 232, 240, 0.12);
}
.case-cover--a {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.38), rgba(37, 99, 235, 0.34));
}
.case-cover--b {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(139, 92, 246, 0.35));
}
.case-cover--c {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.35), rgba(6, 182, 212, 0.35));
}
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 9px;
}
.case-tags span {
  padding: 4px 10px;
  font-size: 0.76rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: #d5e3fb;
}

.portal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.portal-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(19, 34, 61, 0.92), rgba(12, 23, 43, 0.92));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.portal-card__media img {
  width: 100%;
  height: 145px;
  object-fit: cover;
  border-radius: 12px;
}
.portal-card__body h3 { margin: 0 0 6px; }
.portal-card__body h3 a {
  color: #eef5ff;
  text-decoration: none;
}
.portal-card__body h3 a:hover { color: #bfdbfe; }
.portal-card__meta {
  margin: 0 0 8px;
  color: #a9bcdf;
  font-size: 0.86rem;
}
.portal-card__summary {
  margin: 0;
  color: var(--muted);
  line-clamp: 3;
  -webkit-line-clamp: 3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.portal-empty { text-align: center; color: var(--muted); }

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  align-items: center;
}
.about-text { margin: 0; color: var(--muted); }
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.about-tags span {
  border: 1px solid var(--line);
  background: rgba(17, 31, 57, 0.85);
  border-radius: 999px;
  color: #d6e4fb;
  padding: 8px 12px;
  font-size: 0.84rem;
}

.contact-box {
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(17, 31, 57, 0.96), rgba(11, 20, 38, 0.96));
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 20px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.contact-box h2 { margin: 0 0 8px; }
.contact-box p { margin: 0 0 10px; color: #c4d3ee; }
.contact-box ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.contact-box li { margin: 6px 0; color: #dce8fb; }
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.86rem;
  color: #c7d7f2;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(6, 12, 24, 0.75);
  color: #e8f0ff;
  border-radius: 10px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.92rem;
}
.contact-form button {
  margin-top: 4px;
  border: 0;
  border-radius: 10px;
  padding: 11px 14px;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: #fff;
}

.portal-article {
  padding: 34px 0 56px;
}
.portal-article__title {
  margin: 0 0 10px;
  color: #f3f8ff;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}
.portal-article__meta {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}
.portal-article__lead {
  margin: 0;
  padding: 14px 16px;
  border-left: 4px solid var(--primary);
  background: rgba(59, 130, 246, 0.12);
  border-radius: 0 8px 8px 0;
  color: #d4e2f8;
}
.cms-html {
  color: #d9e6fc;
  font-size: 1.02rem;
  line-height: 1.85;
}
.cms-html :where(p) { margin: 0.75em 0; }
.cms-html :where(img, video) {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}
.cms-html :where(h1, h2, h3) { color: #f1f6ff; }
.cms-html :where(a) { color: #93c5fd; }
.cms-html :where(blockquote) {
  margin: 1em 0;
  padding: 0.5em 1em;
  border-left: 3px solid var(--accent);
  background: rgba(139, 92, 246, 0.1);
  color: #d3e1f7;
}

.portal-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  padding: 22px 0 34px;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
}
.portal-footer p { margin: 0; }

@media (max-width: 1080px) {
  .hero-layout,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .feature-grid,
  .solution-grid,
  .case-grid,
  .service-grid { grid-template-columns: 1fr 1fr; }
  .portal-card { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .portal-nav__links {
    display: none;
    width: 100%;
    padding: 10px 0 6px;
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
  }
  .portal-nav__links.is-open { display: flex; }
  .portal-nav__inner {
    flex-wrap: wrap;
    min-height: 64px;
    padding: 8px 0;
  }
  .portal-hero { padding: 62px 0 52px; }
  .portal-hero__title { font-size: clamp(1.75rem, 8vw, 2.4rem); }
  .hero-metrics,
  .feature-grid,
  .solution-grid,
  .case-grid,
  .service-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; text-align: center; }
}