:root {
  --pine: #2a6f97;
  --pine-deep: #012a4a;
  --leaf: #61a5c2;
  --warm-coral: #f4845f;
  --warm-amber: #f7a072;
  --warm-sand: #ffecd1;
  --warm-cream: #fffaf5;
  --ink: #2b3a4a;
  --muted: #6b7c93;
  --mint: #f4f8fb;
  --mist: #faf8f5;
  --line: #e8ecef;
  --line-warm: #f2e6dc;
  --white: #ffffff;
  --shadow-warm: 0 16px 36px rgba(244, 132, 95, 0.12);
  --shadow-card: 0 12px 28px rgba(42, 111, 151, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { 
  margin: 0; 
  color: var(--ink); 
  background: var(--warm-cream); 
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif; 
  font-size: 16px; 
  line-height: 1.8; 
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 100; top: -60px; left: 16px; padding: 8px 12px; color: var(--white); background: var(--pine); border-radius: 6px; }
.skip-link:focus { top: 12px; }

/* 顶部导航 */
.site-header { 
  position: fixed; 
  z-index: 30; 
  inset: 0 0 auto; 
  border-bottom: 1px solid transparent; 
  transition: all .35s cubic-bezier(0.4, 0, 0.2, 1); 
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.site-header.is-scrolled { 
  border-color: rgba(232, 236, 239, 0.8); 
  background: rgba(255, 255, 255, 0.92); 
  box-shadow: 0 8px 30px rgba(1, 42, 74, 0.06); 
}
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.brand, .footer-brand { 
  display: inline-flex; 
  align-items: center; 
  gap: 12px; 
  color: var(--white); 
  font-size: 17px; 
  font-weight: 700; 
  letter-spacing: 0.5px;
  white-space: nowrap; 
  transition: color .3s ease; 
}
.brand img, .footer-brand img { 
  object-fit: contain; 
  transition: transform .3s cubic-bezier(0.34, 1.56, 0.64, 1); 
}
.brand:hover img {
  transform: scale(1.1) rotate(5deg);
}
.site-header.is-scrolled .brand { color: var(--pine-deep); }
nav { display: flex; align-items: center; gap: 32px; }
nav a { 
  position: relative; 
  color: rgba(255, 255, 255, 0.9); 
  font-size: 15px; 
  font-weight: 500;
  padding: 6px 0;
  transition: color .25s ease; 
}
nav a::after { 
  position: absolute; 
  right: 0; 
  bottom: 0; 
  left: 0; 
  height: 2.5px; 
  content: ""; 
  background: linear-gradient(90deg, var(--warm-coral), var(--warm-amber)); 
  border-radius: 3px;
  transform: scaleX(0); 
  transform-origin: right; 
  transition: transform .3s cubic-bezier(0.4, 0, 0.2, 1); 
}
nav a:hover::after, nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
nav a:hover, nav a:focus-visible { color: var(--white); }
.site-header.is-scrolled nav a { color: var(--muted); }
.site-header.is-scrolled nav a:hover, .site-header.is-scrolled nav a:focus-visible { color: var(--pine); }
.menu-button { display: none; width: 38px; height: 38px; padding: 7px; border: 0; background: transparent; cursor: pointer; }
.menu-button span { display: block; width: 22px; height: 2px; margin: 4px auto; background: var(--white); border-radius: 2px; transition: transform .25s ease, opacity .25s ease, background-color .25s ease; }
.site-header.is-scrolled .menu-button span { background: var(--pine); }

/* 主视觉 Hero 区域 */
.hero { 
  position: relative; 
  isolation: isolate; 
  min-height: 740px; 
  overflow: hidden; 
  color: var(--white); 
  background: linear-gradient(145deg, #1b4965 0%, #2a6f97 45%, #468faf 100%); 
}

/* 温暖动态光晕与微光背景 */
.hero-glow-1 {
  position: absolute;
  top: -15%;
  right: -10%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(247, 160, 114, 0.28) 0%, rgba(244, 132, 95, 0.08) 50%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  animation: float-glow 14s ease-in-out infinite alternate;
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(97, 165, 194, 0.3) 0%, rgba(42, 111, 151, 0.1) 50%, transparent 70%);
  border-radius: 50%;
  filter: blur(50px);
  animation: float-glow-reverse 18s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes float-glow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, 30px) scale(1.08); }
  100% { transform: translate(30px, -20px) scale(0.95); }
}
@keyframes float-glow-reverse {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.1); }
  100% { transform: translate(-20px, 20px) scale(0.92); }
}

.hero::after { 
  position: absolute; 
  z-index: -1; 
  right: -15%; 
  bottom: -30%; 
  width: min(80vw, 1000px); 
  height: min(80vw, 1000px); 
  border: 1.5px dashed rgba(255, 255, 255, 0.15); 
  border-radius: 50%; 
  content: ""; 
  box-shadow: 0 0 0 70px rgba(255,255,255,.03), 0 0 0 140px rgba(255,255,255,.02); 
  animation: rotate-slow 90s linear infinite;
  pointer-events: none;
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-pattern { position: absolute; z-index: -1; inset: 0; opacity: .45; pointer-events: none; }
.hero-pattern i { 
  position: absolute; 
  display: block; 
  width: 14px; 
  height: 14px; 
  border: 1.5px solid rgba(255, 236, 209, 0.4); 
  border-radius: 4px;
  transform: rotate(45deg); 
  animation: pulse-soft 6s ease-in-out infinite alternate;
}
.hero-pattern i:nth-child(1) { top: 24%; left: 11%; animation-delay: 0s; }
.hero-pattern i:nth-child(2) { top: 64%; left: 18%; width: 10px; height: 10px; animation-delay: 1.5s; }
.hero-pattern i:nth-child(3) { top: 18%; right: 21%; width: 12px; height: 12px; animation-delay: 3s; }
.hero-pattern i:nth-child(4) { right: 12%; bottom: 22%; animation-delay: 4.5s; }

@keyframes pulse-soft {
  0% { transform: rotate(45deg) scale(0.9); opacity: 0.3; }
  100% { transform: rotate(55deg) scale(1.2); opacity: 0.8; }
}

.hero-inner { 
  min-height: 740px; 
  display: flex; 
  flex-direction: column; 
  align-items: flex-start; 
  justify-content: center; 
  padding: 140px 0 120px; 
}
.hero-mark { 
  width: 76px; 
  height: 76px; 
  display: grid; 
  place-items: center; 
  margin-bottom: 24px; 
  border: 1px solid rgba(255,255,255,.35); 
  border-radius: 20px;
  background: rgba(255,255,255,.12); 
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.1);
  transition: transform .4s cubic-bezier(0.34, 1.56, 0.64, 1); 
}
.hero-mark:hover {
  transform: scale(1.08) rotate(6deg);
}
.hero-mark img { object-fit: contain; }
.hero-label { 
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px; 
  padding: 6px 14px;
  color: #fff4ec; 
  background: rgba(244, 132, 95, 0.35);
  border: 1px solid rgba(244, 132, 95, 0.5);
  border-radius: 30px;
  font-size: 13px; 
  font-weight: 600; 
  letter-spacing: 1px;
}
.hero-label::before {
  content: "✨";
  font-size: 12px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--warm-coral);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.3px; }
h1 { 
  max-width: 800px; 
  margin-bottom: 12px; 
  font-size: 52px; 
  font-weight: 800; 
  line-height: 1.25; 
  letter-spacing: -0.5px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.12);
}
.hero-slogan { 
  margin-bottom: 22px; 
  color: #ffe8d6; 
  font-size: 24px; 
  font-weight: 600; 
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-slogan::after {
  content: "";
  display: inline-block;
  width: 40px;
  height: 2px;
  background: var(--warm-amber);
  border-radius: 2px;
}
.hero-copy { 
  max-width: 580px; 
  margin-bottom: 36px; 
  color: rgba(255, 255, 255, 0.88); 
  font-size: 16px; 
  line-height: 1.85;
}
.hero-action { 
  display: inline-flex; 
  align-items: center; 
  gap: 14px; 
  padding: 14px 32px; 
  background: linear-gradient(135deg, var(--warm-coral) 0%, var(--warm-amber) 100%);
  color: var(--white);
  border-radius: 30px;
  font-size: 16px; 
  font-weight: 700; 
  box-shadow: 0 10px 24px rgba(244, 132, 95, 0.35);
  transition: all .3s cubic-bezier(0.4, 0, 0.2, 1); 
}
.hero-action span { 
  display: inline-block;
  font-size: 18px; 
  transition: transform .3s ease; 
}
.hero-action:hover { 
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(244, 132, 95, 0.48);
  background: linear-gradient(135deg, #f37248 0%, #f69460 100%);
}
.hero-action:hover span { transform: translateY(4px); }

.hero-foot { 
  position: absolute; 
  right: 0; 
  bottom: 28px; 
  left: 0; 
  display: flex; 
  align-items: center; 
  gap: 14px; 
  width: min(1160px, calc(100% - 48px)); 
  margin: auto; 
  color: rgba(255, 255, 255, 0.75); 
  font-size: 13px; 
  font-weight: 500;
}
.hero-foot b { width: 36px; height: 1px; background: rgba(255, 255, 255, 0.3); border-radius: 1px; }

/* 通用 Section */
.section { padding: 110px 0; }
.section-intro { max-width: 680px; margin-bottom: 56px; }
.section-intro h2, .journey-head h2, .scenes-copy h2, .statement-inner h2 { 
  margin-bottom: 16px; 
  color: var(--pine-deep); 
  font-size: 36px; 
  font-weight: 700;
  line-height: 1.35; 
}
.section-intro > p:last-child, .scenes-copy > p:last-child, .statement-inner > p:last-child { 
  margin-bottom: 0; 
  color: var(--muted); 
  font-size: 16px;
}

/* 产品价值部分 */
.value-section { background: #fdfbf7; position: relative; }
.value-list { 
  display: grid; 
  grid-template-columns: repeat(3, 1fr); 
  gap: 24px;
}
.value-item { 
  position: relative;
  display: flex; 
  flex-direction: column;
  gap: 16px; 
  padding: 36px 30px; 
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--line-warm);
  box-shadow: 0 4px 16px rgba(0,0,0,0.02);
  transition: all .35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.value-item:hover {
  transform: translateY(-8px);
  border-color: rgba(244, 132, 95, 0.4);
  box-shadow: var(--shadow-warm);
}
.value-no { 
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--warm-coral); 
  background: #fff3ee;
  border-radius: 12px;
  font-family: Georgia, serif; 
  font-size: 20px; 
  font-weight: 700;
  transition: all .3s ease;
}
.value-item:hover .value-no {
  background: var(--warm-coral);
  color: var(--white);
  transform: scale(1.08);
}
.value-item h3 { margin-bottom: 8px; color: var(--pine-deep); font-size: 21px; line-height: 1.4; }
.value-item p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* 核心能力部分 */
.capability-section { background: var(--white); }
.section-intro.split { max-width: none; display: grid; grid-template-columns: 1fr .75fr; gap: 80px; align-items: end; }
.section-intro.split > p { margin-bottom: 6px; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.capability-card { 
  position: relative;
  min-height: 310px; 
  display: flex; 
  flex-direction: column; 
  padding: 36px 30px; 
  overflow: hidden; 
  border-radius: 18px;
  border: 1px solid var(--line); 
  background: var(--mint); 
  transition: all .35s cubic-bezier(0.34, 1.56, 0.64, 1); 
}
.capability-card:hover { 
  transform: translateY(-8px); 
  background: var(--white); 
  border-color: rgba(42, 111, 151, 0.25);
  box-shadow: var(--shadow-card); 
}
.capability-mark { 
  width: 52px; 
  height: 52px; 
  display: grid; 
  place-items: center; 
  border-radius: 14px;
  border: 1px solid #d4e5f2; 
  color: var(--pine); 
  background: var(--white); 
  font-size: 22px; 
  font-weight: 700; 
  box-shadow: 0 4px 12px rgba(42, 111, 151, 0.06);
  transition: all .3s ease;
}
.capability-card:hover .capability-mark {
  transform: scale(1.1) rotate(6deg);
  background: var(--pine);
  color: var(--white);
  border-color: var(--pine);
}
.capability-card > p { margin: auto 0 6px; color: var(--warm-coral); font-size: 13.5px; font-weight: 700; }
.capability-card h3 { margin-bottom: 24px; color: var(--pine-deep); font-size: 23px; line-height: 1.38; }
.card-line { width: 44px; height: 3px; border-radius: 2px; background: var(--warm-amber); transition: width .35s cubic-bezier(0.4, 0, 0.2, 1), background-color .35s ease; }
.capability-card:hover .card-line { width: 100%; background: var(--warm-coral); }

.capability-card.featured { 
  color: var(--white); 
  border-color: transparent; 
  background: linear-gradient(145deg, #1f5f96 0%, #2a6f97 100%); 
  box-shadow: 0 12px 28px rgba(31, 95, 150, 0.2);
}
.capability-card.featured:hover {
  background: linear-gradient(145deg, #1b4965 0%, #2563a6 100%); 
  box-shadow: 0 18px 36px rgba(31, 95, 150, 0.32);
}
.capability-card.featured .capability-mark { 
  border-color: rgba(255, 255, 255, 0.3); 
  color: var(--white); 
  background: rgba(255, 255, 255, 0.15); 
}
.capability-card.featured:hover .capability-mark {
  background: var(--white);
  color: var(--pine);
}
.capability-card.featured > p { color: #ffe5d0; }
.capability-card.featured h3 { color: var(--white); }
.capability-card.featured .card-line { background: var(--warm-amber); }

/* 服务旅程 */
.journey-section { padding: 110px 0 100px; background: #f4f8fb; }
.journey-head { max-width: 680px; margin-bottom: 64px; }
.journey-list { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  margin: 0; 
  padding: 0; 
  list-style: none; 
  gap: 20px;
}
.journey-list li { 
  position: relative; 
  min-height: 180px; 
  padding: 28px 24px; 
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
  transition: all .35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.journey-list li:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: #bcd9ed;
}
.journey-list span { 
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px; 
  color: var(--warm-coral); 
  background: #fff4ee;
  border-radius: 10px;
  font-family: Georgia, serif; 
  font-size: 18px; 
  font-weight: 700;
  transition: all .3s ease;
}
.journey-list li:hover span {
  background: var(--warm-coral);
  color: var(--white);
  transform: scale(1.1);
}
.journey-list strong { display: block; margin-bottom: 8px; color: var(--pine-deep); font-size: 18px; }
.journey-list p { margin: 0; color: var(--muted); font-size: 14px; }

/* 适用机构 */
.scenes-section { padding: 118px 0; overflow: hidden; background: var(--white); }
.scenes-layout { display: grid; grid-template-columns: .92fr 1.08fr; gap: 70px; align-items: center; }
.scenes-copy h2 { margin-bottom: 20px; }
.scene-tags { display: grid; grid-template-columns: repeat(3, 1fr); align-items: stretch; gap: 16px; }
.scene-tags span { 
  min-height: 160px; 
  display: flex; 
  align-items: flex-end; 
  padding: 24px; 
  border-radius: 16px;
  border: 1px solid var(--line-warm);
  border-top: 4px solid var(--warm-coral); 
  color: var(--pine-deep); 
  background: #fffdfa; 
  font-size: 16px; 
  font-weight: 700; 
  box-shadow: 0 4px 14px rgba(0,0,0,0.02);
  transition: all .3s cubic-bezier(0.34, 1.56, 0.64, 1); 
}
.scene-tags span:nth-child(2) { border-top-color: var(--pine); background: #f7fafc; }
.scene-tags span:nth-child(3) { border-top-color: var(--warm-amber); background: #fffbf7; }
.scene-tags span:hover { 
  transform: translateY(-8px); 
  background: var(--white); 
  box-shadow: var(--shadow-warm);
}

/* 产品说明 */
.statement-section { 
  padding: 86px 0; 
  background: linear-gradient(135deg, #0f2c4a 0%, #173d62 100%); 
}
.statement-inner { 
  max-width: 860px; 
  padding: 24px 32px; 
  border-left: 4px solid var(--warm-coral); 
  background: rgba(255, 255, 255, 0.04);
  border-radius: 0 16px 16px 0;
}
.statement-inner h2 { color: var(--white); font-size: 28px; }
.statement-inner > p:last-child { color: rgba(255, 255, 255, 0.78); font-size: 15px; line-height: 1.85; }
.statement-inner .eyebrow { color: var(--warm-sand); }

/* 页脚 */
.site-footer { color: rgba(255, 255, 255, 0.75); background: #081d33; }
.footer-inner { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer-brand { color: var(--white); font-size: 15px; }
.footer-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px; font-size: 13px; }
.footer-meta a { color: rgba(255, 255, 255, 0.75); text-decoration: none; transition: color .2s ease; }
.footer-meta a:hover { color: var(--warm-sand); text-decoration: underline; }

/* 页面滚动揭示动效 */
.reveal { 
  opacity: 0; 
  transform: translateY(28px); 
  transition: opacity .75s cubic-bezier(0.2, 0.8, 0.2, 1), transform .75s cubic-bezier(0.2, 0.8, 0.2, 1); 
}
.reveal.is-visible { 
  opacity: 1; 
  transform: translateY(0); 
}

/* 首屏分层进入动效 */
.reveal-delay-1, .reveal-delay-2, .reveal-delay-3, .reveal-delay-4, .reveal-delay-5 { 
  opacity: 0; 
  transform: translateY(20px); 
  animation: hero-in .85s cubic-bezier(.2,.8,.2,1) forwards; 
}
.reveal-delay-1 { animation-delay: .05s; }
.reveal-delay-2 { animation-delay: .15s; }
.reveal-delay-3 { animation-delay: .28s; }
.reveal-delay-4 { animation-delay: .42s; }
.reveal-delay-5 { animation-delay: .56s; }

@keyframes hero-in { 
  to { 
    opacity: 1; 
    transform: translateY(0); 
  } 
}

/* 移动端与响应式适配 */
@media (max-width: 900px) {
  .value-list, .capability-grid, .journey-list { grid-template-columns: 1fr; gap: 16px; }
  .section-intro.split, .scenes-layout { grid-template-columns: 1fr; gap: 24px; }
  .scene-tags { grid-template-columns: 1fr; }
  .scene-tags span { min-height: 100px; }
}

@media (max-width: 680px) {
  .container, .hero-foot { width: min(100% - 32px, 1160px); }
  .header-inner { min-height: 66px; }
  .brand { max-width: 240px; overflow: hidden; color: var(--pine-deep); text-overflow: ellipsis; font-size: 15px; }
  .menu-button { display: block; }
  .menu-button span, .site-header.is-scrolled .menu-button span { background: var(--pine); }
  nav { 
    position: absolute; 
    top: 66px; 
    right: 16px; 
    left: 16px; 
    display: none; 
    flex-direction: column; 
    align-items: stretch; 
    gap: 0; 
    padding: 12px 20px; 
    border-radius: 12px;
    border: 1px solid var(--line); 
    background: var(--white); 
    box-shadow: 0 16px 30px rgba(18,59,99,.12); 
  }
  nav.is-open { display: flex; }
  nav a, .site-header.is-scrolled nav a { padding: 12px 0; color: var(--ink); border-bottom: 1px solid var(--line); }
  nav a:last-child { border-bottom: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  
  .hero, .hero-inner { min-height: 650px; }
  .hero-inner { padding: 130px 0 94px; }
  h1 { font-size: 34px; }
  .hero-slogan { font-size: 20px; }
  .hero-copy { font-size: 15px; }
  .hero-action { width: 100%; justify-content: center; }
  
  .section, .journey-section, .scenes-section { padding: 76px 0; }
  .section-intro { margin-bottom: 38px; }
  .section-intro h2, .journey-head h2, .scenes-copy h2 { font-size: 28px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; padding: 22px 0; }
  .footer-meta { justify-content: flex-start; gap: 6px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal, .reveal-delay-1, .reveal-delay-2, .reveal-delay-3, .reveal-delay-4, .reveal-delay-5 { opacity: 1; transform: none; }
}