/* ===========================================================
   国朝央国企服务平台 · 介绍内容样式
   仅作用于 platform.html，导航/页脚沿用主站 style.css
   =========================================================== */

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; padding: 96px 0 86px;
  background:
    radial-gradient(1100px 480px at 85% -15%, rgba(99, 102, 241, .16), transparent 60%),
    radial-gradient(900px 460px at -5% 10%, rgba(14, 165, 233, .12), transparent 55%),
    var(--bg-soft);
}
.hero-inner { text-align: left; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(79, 70, 229, .08); color: var(--primary);
  font-weight: 700; font-size: 14px; letter-spacing: .5px;
  padding: 8px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero .eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gradient); }
.hero h1 { font-size: 46px; line-height: 1.18; font-weight: 800; letter-spacing: -1px; text-align: left; }
.hero h1 .hl { color: #0ea5e9; white-space: nowrap; }
.hero p.lead { margin-top: 24px; font-size: 19px; color: var(--dark-2); line-height: 1.85; text-align: left; }
.hero-cta { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: flex-start; }

/* 平台页 Hero：全宽铺满；裁掉上方天空，底部大楼完整露出 */
.hero.hero-fullbg {
  min-height: 100vh;
  min-height: 100dvh;
  min-height: 100svh;
  height: 100vh;
  height: 100dvh;
  height: 100svh;
  display: flex;
  align-items: center;
  padding: 0;
  background: none;
  overflow: hidden;
}
.hero-fullbg .hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero-fullbg .hero-image {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: 50% 100%;
  border-radius: 0;
  transform: none;
  transform-origin: center bottom;
}
.hero-fullbg .hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 8, 26, .25) 0%, rgba(2, 8, 26, .11) 55%, rgba(2, 8, 26, .03) 100%),
    linear-gradient(180deg, rgba(2, 8, 26, .13) 0%, rgba(2, 8, 26, .04) 50%, rgba(2, 8, 26, .20) 100%);
  z-index: 1;
}
.hero-fullbg .container {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 108px;
  padding-bottom: 56px;
  box-sizing: border-box;
}
.hero-fullbg .hero-inner { max-width: 760px; margin: 0; text-align: left; }
.hero-fullbg .hero-brand {
  display: block;
  width: 240px;
  height: auto;
  margin: 0 0 18px;
  padding: 0;
  border-radius: 0;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}
.hero-fullbg .hero-main-slogan {
  display: block;
  width: min(480px, 100%);
  height: auto;
  margin: 0;
  padding: 0;
  border-radius: 0;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.35));
}
.hero-fullbg h1 { max-width: 760px; line-height: 1.32; }
.hero-fullbg .eyebrow {
  background: rgba(255, 255, 255, .12);
  color: #FFFFFF;
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
}
.hero-fullbg .eyebrow .dot { background: linear-gradient(135deg, #fbbf24, #f59e0b); }
.hero-fullbg h1 { color: #FFFFFF; text-shadow: none; }
.hero-fullbg h1 .hl { color: #38bdf8; white-space: nowrap; background: none; -webkit-background-clip: border-box; background-clip: border-box; }
.hero-fullbg .hero-en {
  display: block;
  width: auto;
  max-width: 720px;
  height: auto;
  margin-top: 16px;
  color: #FFFFFF;
  font-family: "PingFang SC", "PingFangSC", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: .4px;
  white-space: normal;
  text-transform: uppercase;
  text-shadow: none;
}
.hero-fullbg p.lead { color: rgba(255,255,255,.92); text-shadow: 0 2px 18px rgba(0,0,0,.50); max-width: 640px; }
.hero-fullbg .hero-cta {
  margin: 36px 0 0;
}
.hero-fullbg .btn-primary {
  background: linear-gradient(135deg, #4f46e5, #8b5cf6);
  border-color: transparent;
  box-shadow: 0 12px 32px rgba(79, 70, 229, .35);
}
.hero-fullbg .btn-ghost {
  color: #FFFFFF;
  border-color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(6px);
}
.hero-fullbg .btn-ghost:hover { background: rgba(255,255,255,.18); border-color: #FFFFFF; color: #FFFFFF; }

/* ---------- 三句话 ---------- */
.three-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.three-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 44px 50px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .3s, box-shadow .3s;
  white-space: nowrap;
}
.three-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), #0ea5e9);
}
.three-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 70px rgba(79, 70, 229, .12), 0 10px 28px rgba(0, 0, 0, .06);
}
.three-card .q {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--primary), #0ea5e9 80%, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 4px;
}
.three-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark-2);
  margin: 0;
}
.three-card p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
  margin: 0;
}

/* ---------- 痛点→解法 ---------- */
.pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.pain-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 30px; display: flex; gap: 18px; align-items: flex-start;
}
.pain-card .pin {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, #fee2e2, #fecaca); color: #dc2626;
  display: flex; align-items: center; justify-content: center;
}
.pain-card .pfix {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  background: var(--gradient); color: #fff;
  display: flex; align-items: center; justify-content: center; margin-left: auto;
}
.pain-card .body { flex: 1; }
.pain-card .body .pl { font-size: 13px; color: var(--muted); font-weight: 600; letter-spacing: .5px; }
.pain-card .body h4 { font-size: 17px; margin: 4px 0 2px; }
.pain-card .body .fix { font-size: 15px; color: var(--dark-2); margin-top: 8px; }

/* ---------- 适用机构（五瓣环形） ---------- */
.org-wheel-section {
  position: relative;
  background: #f8fafc;
  color: var(--text);
  overflow: visible;
}
.org-wheel-section::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 58%;
  width: min(70vw, 560px);
  height: min(70vw, 560px);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(167, 139, 250, .14) 0%, rgba(167, 139, 250, .05) 38%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}
.org-wheel-section > .container { position: relative; z-index: 1; }
.org-wheel-section .section-head { margin-bottom: 28px; }
.org-wheel-section .section-head h2 { color: var(--text); }
.org-wheel-section .section-head p {
  color: var(--muted);
  max-width: 720px;
}
.org-wheel-section .section-head .tag {
  background: rgba(79, 70, 229, .08);
  color: var(--primary);
  border: 1px solid rgba(79, 70, 229, .12);
}

.org-wheel {
  max-width: 1180px;
  margin: 0 auto;
  overflow: visible;
}
.org-wheel-stage {
  position: relative;
  width: 100%;
  height: 720px;
  overflow: visible;
  /* 花瓣中心（与 .org-wheel-core 一致）与文案环半径 */
  --org-cx: 50%;
  --org-cy: 52%;
  --org-rad: 255px;
}

/* 中心五瓣 */
.org-wheel-core {
  position: absolute;
  left: 50%;
  top: 52%;
  width: 440px;
  height: 440px;
  transform: translate(-50%, -50%);
  z-index: 2;
  pointer-events: auto;
}
.org-wheel-svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 0 24px rgba(167, 139, 250, .28)) drop-shadow(0 22px 48px rgba(99, 80, 160, .18));
  animation: org-wheel-float 7s ease-in-out infinite;
  pointer-events: none;
}
.org-petal {
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
  transition: opacity .35s ease, filter .35s ease;
}
.org-wheel-stage.is-hover .org-petal { opacity: .42; }
.org-wheel-stage.is-hover .org-petal.is-active {
  opacity: 1;
  filter: brightness(1.06) saturate(1.08);
}
.org-petal-icons,
.org-petal-hit {
  pointer-events: none;
}
@keyframes org-wheel-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@media (prefers-reduced-motion: reduce) {
  .org-wheel-svg { animation: none; }
}

/* 环绕文案：锚点落在对应花瓣射线上，整块文案在瓣外 */
.org-wheel-item {
  --tx: -50%;
  --ty: -50%;
  position: absolute;
  z-index: 3;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  width: 248px;
  left: calc(var(--org-cx) + sin(var(--ang)) * var(--org-rad));
  top: calc(var(--org-cy) - cos(var(--ang)) * var(--org-rad));
  transform: translate(var(--tx), var(--ty));
  cursor: pointer;
  transition: transform .35s ease, opacity .35s ease;
}
.org-wheel-item:hover,
.org-wheel-item.is-active {
  transform: translate(var(--tx), calc(var(--ty) - 3px));
}
.org-wheel-num {
  flex: 0 0 auto;
  font-size: 48px;
  font-weight: 200;
  line-height: .9;
  color: #1e1b4b;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
}
.org-wheel-copy {
  min-width: 0;
  flex: 1;
}
.org-wheel-copy h3 {
  margin: 2px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .02em;
  white-space: nowrap;
}
.org-wheel-copy p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.org-wheel-stage.is-hover .org-wheel-item { opacity: .34; }
.org-wheel-stage.is-hover .org-wheel-item.is-active {
  opacity: 1;
}
.org-wheel-stage.is-hover .org-wheel-item.is-active .org-wheel-num {
  color: var(--primary);
  text-shadow: none;
}
.org-wheel-stage.is-hover .org-wheel-item.is-active .org-wheel-copy p {
  color: var(--dark-2);
}

/* 五个方位：瓣角与 SVG rotate 一致；锚点靠瓣尖外侧 */
.org-wheel-item.pos-1 {
  --ang: -24deg;
  --tx: -50%;
  --ty: -100%; /* 在瓣尖上方 */
}
.org-wheel-item.pos-2 {
  --ang: 48deg;
  --tx: 0%;
  --ty: -50%; /* 在瓣尖右侧 */
  flex-direction: row-reverse;
  text-align: right;
}
.org-wheel-item.pos-3 {
  --ang: 120deg;
  --tx: 0%;
  --ty: -50%;
  flex-direction: row-reverse;
  text-align: right;
}
.org-wheel-item.pos-4 {
  --ang: 192deg;
  --tx: -50%;
  --ty: 0%; /* 在瓣尖下方 */
}
.org-wheel-item.pos-5 {
  --ang: 264deg;
  --tx: -100%;
  --ty: -50%; /* 在瓣尖左侧 */
}

@media (max-width: 1100px) {
  .org-wheel-stage {
    height: 620px;
    --org-rad: 210px;
  }
  .org-wheel-core { width: 360px; height: 360px; }
  .org-wheel-item { width: 220px; gap: 12px; }
  .org-wheel-num { font-size: 40px; }
  .org-wheel-copy h3 { font-size: 16px; }
  .org-wheel-copy p { font-size: 12.5px; }
}

@media (max-width: 1024px) {
  .org-wheel-section::before { display: none; }
  .org-wheel-stage {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding-bottom: 8px;
  }
  .org-wheel-core {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    width: min(72vw, 340px);
    height: min(72vw, 340px);
    order: -1;
    margin: 4px 0 16px;
  }
  .org-wheel-item,
  .org-wheel-item.pos-2,
  .org-wheel-item.pos-3,
  .org-wheel-item.pos-4,
  .org-wheel-item.pos-5 {
    position: relative;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
    width: 100%;
    max-width: 520px;
    flex-direction: row;
    text-align: left;
    transform: none;
    padding: 16px 18px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--border);
  }
  .org-wheel-item:hover,
  .org-wheel-item.is-active {
    transform: translateY(-3px);
  }
  .org-wheel-copy h3 { white-space: normal; font-size: 16px; }
  .org-wheel-num { font-size: 32px; }
}

@media (max-width: 720px) {
  .org-wheel-section .section-head h2 { font-size: 26px; }
  .org-wheel-core {
    width: min(80vw, 300px);
    height: min(80vw, 300px);
  }
  .org-wheel-num { font-size: 28px; }
  .org-wheel-copy p { font-size: 13px; }
}

/* ---------- 核心价值 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card {
  border-radius: var(--radius); padding: 32px 26px; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(150deg, #312e81 0%, #4f46e5 55%, #6366f1 100%);
  box-shadow: 0 14px 34px rgba(49, 46, 129, .28); transition: transform .3s;
}
.value-card:nth-child(2) { background: linear-gradient(150deg, #1e3a8a 0%, #2563eb 60%, #0ea5e9 100%); }
.value-card:nth-child(3) { background: linear-gradient(150deg, #5b21b6 0%, #7c3aed 60%, #8b5cf6 100%); }
.value-card:nth-child(4) { background: linear-gradient(150deg, #0f766e 0%, #0d9488 60%, #14b8a6 100%); }
.value-card:hover { transform: translateY(-6px); }
.value-card .num { font-size: 13px; font-weight: 700; letter-spacing: 1px; opacity: .8; }
.value-card h3 { font-size: 24px; font-weight: 800; margin: 10px 0 10px; }
.value-card p { font-size: 14.5px; opacity: .92; }

/* ---------- 八大模块 ---------- */
.mod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.mod-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px; position: relative; overflow: hidden; transition: transform .3s, box-shadow .3s, border-color .3s;
}
.mod-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient); }
.mod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.mod-card .mnum { font-size: 13px; font-weight: 800; color: var(--primary); letter-spacing: 1px; }
.mod-card .mico {
  width: 46px; height: 46px; border-radius: 12px; margin: 12px 0 14px;
  display: flex; align-items: center; justify-content: center; color: var(--primary);
  background: linear-gradient(135deg, rgba(79,70,229,.12), rgba(14,165,233,.12));
}
.mod-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.mod-card p { font-size: 14px; color: var(--muted); }

/* ---------- 五端 ---------- */
.end-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.end-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 18px; text-align: center; transition: transform .3s, box-shadow .3s;
}
.end-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.end-card .eico {
  width: 50px; height: 50px; border-radius: 14px; margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center; color: #fff; background: var(--gradient);
}
.end-card .who { font-size: 13px; color: var(--primary); font-weight: 700; margin-bottom: 4px; }
.end-card h4 { font-size: 16px; margin-bottom: 8px; }
.end-card p { font-size: 13.5px; color: var(--muted); }

/* ---------- 交付服务（时间轴） ---------- */
.deliver { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.dstep {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 22px; position: relative;
}
.dstep .dnum {
  width: 42px; height: 42px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: #fff; background: var(--gradient); margin-bottom: 14px;
}
.dstep h4 { font-size: 16px; margin-bottom: 6px; }
.dstep p { font-size: 13.5px; color: var(--muted); }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, #4f46e5, #4338ca 60%, #0ea5e9);
  color: #fff; border-radius: 26px; padding: 58px 48px; text-align: center; position: relative; overflow: hidden;
}
.cta-band::after { content: ''; position: absolute; width: 440px; height: 440px; right: -120px; top: -160px; background: radial-gradient(circle, rgba(255,255,255,.18), transparent 65%); }
.cta-band h2 { font-size: 30px; font-weight: 800; }
.cta-band p { margin-top: 12px; opacity: .92; font-size: 17px; }
.cta-band .hero-cta { justify-content: center; margin-top: 28px; }
.cta-band .btn-ghost { color: #fff; border-color: rgba(255,255,255,.5); }
.cta-band .btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; }

/* ---------- 滚动入场 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .value-grid, .end-grid, .deliver, .mod-grid, .pain-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .hero.hero-fullbg {
    height: 100svh;
    min-height: 100svh;
    padding: 0;
  }
  .hero-fullbg .hero-image {
    object-position: center 70%;
  }
  .hero-fullbg .container {
    padding-top: 84px;
    padding-bottom: 28px;
  }
  .hero-fullbg .hero-brand { width: min(200px, 78vw); }
  .hero-fullbg .hero-main-slogan { width: min(280px, 100%); }
  .hero-fullbg .hero-en {
    width: 100%;
    max-width: 100%;
    font-size: 12px;
    letter-spacing: 0;
    line-height: 1.5;
    white-space: normal;
    overflow-wrap: break-word;
    word-break: break-word;
  }
  .hero-fullbg .hero-overlay {
    background:
      linear-gradient(180deg, rgba(2, 8, 26, .42) 0%, rgba(2, 8, 26, .12) 26%, rgba(2, 8, 26, .04) 52%, rgba(2, 8, 26, .28) 100%);
  }
  .hero h1 { font-size: 34px; }
  .hero p.lead { font-size: 16px; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 26px; }
  .pain-grid, .value-grid, .end-grid, .deliver, .mod-grid { grid-template-columns: 1fr; }
  .three-card { padding: 32px 26px; }
  .three-card .q { font-size: 28px; }
  .three-card h3 { font-size: 19px; }
  .three-card p { font-size: 15.5px; }
}