/* 江鸣霄输电智算 · 电力电网绿主题：白底黑字 / 绿底白字 */
:root {
  --sg-green: #009639;
  --sg-green-deep: #007a2f;
  --sg-green-dark: #005c24;
  --sg-green-soft: #e8f6ee;
  --sg-green-mid: #d0edd9;
  --sg-line: #b7dcc4;
  --sg-text: #1a1a1a;
  --sg-text-secondary: #3d4a42;
  --sg-mute: #6b7a72;
  --sg-white: #ffffff;
  --sg-danger: #c62828;
  --sg-warn: #e65100;
  --sg-radius: 10px;
  --sg-radius-sm: 6px;
  --sg-shadow: 0 8px 24px -12px rgba(0, 92, 36, 0.22);
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "IBM Plex Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.jmx-body,
body.tsjx-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--sg-text);
  line-height: 1.65;
  background:
    linear-gradient(180deg, var(--sg-green-soft) 0%, #f5faf7 42%, #ffffff 100%);
  position: relative;
  overflow-x: hidden;
}

body.jmx-body::before,
body.tsjx-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(0, 150, 57, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 150, 57, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

body.jmx-body > *,
body.tsjx-body > * { position: relative; z-index: 1; }

/* 联系方式等弹层必须脱离文档流，覆盖上面的 relative */
body.jmx-body > .tsjx-modal,
body.tsjx-body > .tsjx-modal,
.tsjx-modal {
  display: none;
  position: fixed !important;
  inset: 0 !important;
  left: 0 !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  margin: 0 !important;
  background: rgba(0, 60, 30, 0.5);
  z-index: 99999 !important;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}
.tsjx-modal.is-open {
  display: flex !important;
}
.tsjx-modal-panel {
  background: #fff;
  color: var(--sg-text);
  border-radius: 14px;
  padding: 28px 24px;
  max-width: 420px;
  width: min(420px, calc(100vw - 40px));
  position: relative;
  margin: auto;
  border: 1px solid var(--sg-line);
  box-shadow: 0 18px 48px -16px rgba(0, 60, 30, 0.35);
  text-align: center;
  z-index: 100000;
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-header {
  padding: 12px 24px;
  background: var(--sg-green);
  border-bottom: 3px solid var(--sg-green-dark);
  position: sticky;
  top: 0;
  z-index: 50;
  color: var(--sg-white);
}

.header-container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
}

.header-left { display: flex; align-items: center; gap: 8px; }

.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
}
.contact-chip:hover { background: rgba(255,255,255,0.22); }

.site-title { margin: 0; text-align: center; line-height: 1; }
.site-title .site-logo,
img.site-logo {
  display: block;
  height: 56px !important;
  width: auto !important;
  max-width: min(280px, 62vw);
  object-fit: contain;
  margin: 0 auto;
  border-radius: 4px;
  background: #fff;
  padding: 2px 6px;
}

.header-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

.auth-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  background: transparent;
}
.auth-link.register,
.auth-link:hover {
  background: #fff;
  color: var(--sg-green-deep);
  border-color: #fff;
}

.main-content {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.hero-stage {
  background: #fff;
  border: 1px solid var(--sg-line);
  border-radius: var(--sg-radius);
  padding: 28px 28px 24px;
  box-shadow: var(--sg-shadow);
  margin-bottom: 22px;
}
.hero-eyebrow {
  margin: 0 0 8px;
  color: var(--sg-green);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  text-transform: uppercase;
}
.hero-headline {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  color: var(--sg-green-dark);
  letter-spacing: 0.06em;
  font-weight: 700;
}
.hero-lead {
  margin: 0;
  color: var(--sg-text-secondary);
  font-size: 0.98rem;
  max-width: 52em;
  line-height: 1.75;
}

.tool-rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
@media (min-width: 900px) {
  .tool-rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.tool-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 1px solid var(--sg-line);
  border-radius: var(--sg-radius);
  padding: 18px 16px 16px;
  box-shadow: var(--sg-shadow);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  animation: rise 0.45s ease both;
  animation-delay: var(--delay, 0ms);
}
.tool-row:hover {
  border-color: var(--sg-green);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -16px rgba(0, 122, 47, 0.35);
}
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.tool-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  background: var(--sg-green-soft);
  border: 1px solid var(--sg-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.tool-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 6px;
}

.tool-idx {
  display: none;
}
.tool-copy h2 {
  margin: 0 0 6px;
  font-size: 1.12rem;
  color: var(--sg-green-dark);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}
.tool-copy p {
  margin: 0;
  color: var(--sg-mute);
  font-size: 0.88rem;
  line-height: 1.55;
}
.tool-go {
  margin-top: auto;
  align-self: flex-start;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--sg-green);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
}

.site-footer {
  text-align: center;
  padding: 18px 12px 28px;
  color: var(--sg-mute);
  font-size: 0.82rem;
  border-top: 1px solid var(--sg-line);
  background: #fff;
}
.site-footer a { color: var(--sg-green-deep); text-decoration: none; }
.footer-separator { margin: 0 8px; color: #9ab5a4; }

.tsjx-modal-panel h3 { margin: 0 0 12px; color: var(--sg-green-dark); }
.tsjx-modal-close {
  position: absolute;
  top: 8px;
  right: 14px;
  font-size: 28px;
  cursor: pointer;
  color: var(--sg-mute);
}
.tsjx-btn {
  margin-top: 16px;
  width: 100%;
  border: none;
  border-radius: 999px;
  padding: 12px;
  background: var(--sg-green);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.tsjx-btn:hover { background: var(--sg-green-deep); }

@media (max-width: 640px) {
  .header-container { grid-template-columns: 1fr; text-align: center; }
  .header-left, .header-right { justify-content: center; }
  .tool-rail { grid-template-columns: 1fr; }
}