@charset "utf-8";
:root {
  --accent: #c8000a;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.78);
  --header-bg: transparent;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; width: 100%; min-height: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: #0c0c0c;
  color: var(--text);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.home-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  padding-top: 45px;
  box-sizing: border-box;
  z-index: 1000;
  background: var(--header-bg);
}
.header-inner {
  width: min(1480px, calc(100% - 32px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-right: 48px;
}
.brand img { width: 132px; height: auto; display: block; }
.main-nav {
  display: flex;
  gap: 38px;
  align-items: center;
  font-size: 16px;
}
.main-nav > li {
  list-style: none;
  position: relative;
  padding-bottom: 10px;
}
.main-nav > li > a {
  padding: 10px 0;
  display: inline-block;
  position: relative;
  color: #fff;
}
.main-nav > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 2px;
  background: #fff;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}
.main-nav > li:hover > a::after,
.main-nav > li > a.current::after { transform: scaleX(1); transform-origin: left; }
.sub-menu {
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  min-width: 152px;
  padding: 14px 10px 10px;
  border-radius: 0 0 12px 12px;
  background: rgba(200, 0, 10, 0.96);
  box-shadow: none;
  display: block;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(8px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0s linear 0.22s;
  z-index: 1001;
}
.main-nav > li:hover .sub-menu,
.main-nav > li:focus-within .sub-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
  transition-delay: 0s;
}
.sub-menu a {
  display: block;
  font-size: 14px;
  line-height: 34px;
  text-align: center;
  border-radius: 6px;
  color: #fff;
}
.sub-menu a:hover { background: rgba(255, 255, 255, 0.16); }
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}
.home-main { scroll-snap-type: y mandatory; }
.home-section {
  min-height: 100vh;
  width: 100%;
  scroll-snap-align: start;
  position: relative;
  overflow: hidden;
}
.home-section#plate1 {
  cursor: grab;
  user-select: none;
  touch-action: pan-y;
}
.home-section#plate1.dragging {
  cursor: grabbing;
}
.section-overlay { display: none; }
.section-inner {
  width: min(1260px, calc(100% - 36px));
  margin: 0 auto;
  position: relative;
  z-index: 2;
  padding-top: 124px;
  padding-bottom: 36px;
}
.news-bg .section-inner {
  padding-top: 72px;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 0.9s ease, transform 5s ease;
}
.hero-slide.active { opacity: 1; transform: scale(1); }
.hero-slide.active.zoomed { transform: scale(1.04); }
.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 44px;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 14px;
}
.hero-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.5);
}
.hero-dot.active { background: var(--accent); box-shadow: 0 0 10px rgba(200, 0, 10, 0.6); }
.hero-dissolve {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
  display: none;
}
.story-bg { background: url("../../images/index/04.jpg") center/cover no-repeat; }
.product-bg { background: url("../../images/index/05.jpg") center/cover no-repeat; }
.news-bg { background: url("../../images/index/06.jpg") center/cover no-repeat; }
.learn-bg {
  background: linear-gradient(rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.22)), url("../../images/index/07.jpg") center/cover no-repeat;
}
.story-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.22);
}
.story-bg .section-sub,
.story-bg .section-sub-long {
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}
.story-bg .value-badge,
.story-bg .story-stat {
  color: #fff;
}
.story-bg .value-badge .num {
  color: #fff;
  border-color: #fff;
}
.story-bg .story-stat strong {
  color: #fff;
}
.story-bg .story-link {
  color: #fff;
}
.product-bg .section-sub,
.product-bg .product-icon-card,
.product-bg .product-icon-card h3 {
  color: #fff;
}
.news-bg .section-sub,
.news-bg .news-col h3,
.news-bg .news-title {
  color: #fff;
}
.learn-bg .section-sub {
  color: #fff;
}
.learn-bg .product-svg * {
  stroke: #fff !important;
}
.learn-bg .product-svg circle[fill="#C8000A"] {
  fill: #fff !important;
}
.story-bg .section-title,
.product-bg .section-title,
.news-bg .section-title,
.learn-bg .section-title {
  padding-left: 24px;
}
.section-title {
  text-align: left;
  font-size: clamp(28px, 4vw, 54px);
  letter-spacing: 6px;
  margin: 0 0 14px;
  color: #fff;
}
.section-sub {
  max-width: 920px;
  margin: 0;
  text-align: left;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}
.section-sub-long {
  max-width: 1120px;
  line-height: 2.05;
  margin-top: 10px;
}
.title-slide {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.title-slide.visible {
  opacity: 1;
  transform: translateX(0);
}
.value-badges {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.value-badge {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 34px;
  background: rgba(0, 0, 0, 0.28);
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  align-items: center;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.value-badge:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(200, 0, 10, 0.5);
  box-shadow: 0 8px 24px rgba(200, 0, 10, 0.2);
}
.value-badge .num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
.story-stats {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.story-stat {
  text-align: center;
  padding: 22px 16px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.story-stat:hover {
  transform: translateY(-4px) scale(1.03);
  border-color: rgba(200, 0, 10, 0.45);
  box-shadow: 0 8px 24px rgba(200, 0, 10, 0.18);
}
.story-stat strong { display: block; font-size: 44px; font-weight: 700; }
.story-links {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 14px;
}
.story-link {
  min-width: 160px;
  height: 46px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.28);
}
.story-link:hover { border-color: var(--accent); color: #fff; background: rgba(200, 0, 10, 0.22); }
.product-icon-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  align-items: center;
}
.product-icon-card {
  min-height: 210px;
  border-radius: 0;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 18px 12px;
  transition: transform .28s ease;
}
.product-icon-card:hover {
  transform: translateY(-5px);
}
.icon-wrap {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.product-icon-card:hover .icon-wrap {
  transform: scale(1.1);
  border-color: rgba(255, 255, 255, 0.75);
  box-shadow: 0 0 24px rgba(200, 0, 10, 0.45);
}
.product-svg {
  width: 68px;
  height: 68px;
}
.product-svg * {
  stroke: #fff;
}
.product-icon-card h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 3px;
}
.product-icon-grid .product-icon-card .icon-wrap { width: 90px; height: 90px; margin-bottom: 10px; }
.product-icon-grid .product-icon-card h3 { font-size: 20px; letter-spacing: 2px; }

.teach-cards {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  gap: 48px;
}
.teach-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #fff;
  transition: transform 0.3s;
}
.teach-card:hover {
  transform: translateY(-4px);
}
.teach-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  color: #fff;
}
.teach-card-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
.teach-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: 2px;
}
.teach-card p {
  margin: 0;
  font-size: 14px;
  opacity: 0.7;
  letter-spacing: 1px;
}

.news-columns {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
}
.news-stack {
  grid-template-columns: 1fr;
  gap: 10px;
}
.news-col h3 {
  margin: 0 0 16px;
  font-size: 23px;
  letter-spacing: 2px;
  border-bottom: 2px solid rgba(200, 0, 10, 0.6);
  padding-bottom: 10px;
}
.news-list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.news-item a { display: block; }
.news-item {
  transition: transform .3s ease, box-shadow .3s ease;
  border-radius: 10px;
}
.news-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(200, 0, 10, 0.25);
}
.news-thumb {
  display: block;
  width: 100%;
  height: 170px;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  transition: transform .3s ease;
}
.news-item:hover .news-thumb {
  transform: scale(1.03);
}
.news-title { margin-top: 10px; font-size: 14px; line-height: 1.55; }
.news-date { font-size: 11px; color: rgba(255,255,255,0.58); margin-top: 4px; }
.partner-section {
  background: linear-gradient(180deg, #faf6f2 0%, #f5f0e8 50%, #f4f4f4 100%);
  color: #222;
  min-height: 100vh;
}
.partner-inner {
  width: min(1400px, calc(100% - 28px));
  margin: 0 auto;
  padding: 92px 0 24px;
}
.partner-title { font-size: 44px; text-align: center; margin: 0 0 26px; }
.partner-slider {
  display: grid;
  grid-template-columns: 44px minmax(0,1fr) 44px;
  align-items: center;
  gap: 12px;
}
.partner-viewport { overflow: hidden; }
.partner-track {
  display: flex;
  transition: transform .4s ease;
}
.partner-page {
  min-width: 100%;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}
.partner-nav {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: #c8000a;
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.partner-pager {
  text-align: center;
  margin-top: 12px;
  color: #666;
  font-size: 14px;
}
.partner-disclaimer {
  text-align: center;
  margin: 8px 0 0;
  color: #999;
  font-size: 12px;
  line-height: 1.5;
}
.partner-cell {
  background: #fff;
  border-radius: 8px;
  height: 118px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: transform .3s ease, box-shadow .3s ease;
}
.partner-cell:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 10px 28px rgba(200, 0, 10, 0.2);
}
.partner-cell img { max-width: 100%; max-height: 88px; object-fit: contain; }
.site-footer {
  margin-top: 58px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 26px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
}
.contact-lines { margin: 0; padding: 0; list-style: none; color: #555; line-height: 2; font-size: 14px; }
.qr-list { margin: 0; padding: 0; list-style: none; display: flex; gap: 20px; }
.qr-list li { width: 96px; text-align: center; color: #666; font-size: 13px; }
.qr-list img { width: 100%; border: 1px solid #ddd; border-radius: 4px; }
.copy { margin-top: 26px; color: #777; font-size: 13px; }
@media (max-width: 980px) {
  .home-header { height: 72px; }
  .brand img { width: 110px; }
  .main-nav { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    right: 16px;
    width: 220px;
    max-height: calc(100vh - 88px);
    overflow-y: auto;
    gap: 0;
    background: rgba(8, 10, 14, 0.94);
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.1);
  }
  .main-nav.open > li { width: 100%; }
  .main-nav.open .sub-menu { position: static; transform: none; display: block; opacity: 1; visibility: visible; pointer-events: auto; margin-top: 4px; background: rgba(200,0,10,0.86); box-shadow: none; }
  .mobile-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .section-inner { padding-top: 96px; }
  .value-badges, .story-stats, .news-columns, .news-list, .site-footer { grid-template-columns: 1fr; }
  .product-icon-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 440px; gap: 0; }
  .product-icon-card { min-height: 210px; }
  .product-icon-grid .product-icon-card .icon-wrap { width: 80px; height: 80px; }
  .news-thumb { height: 180px; }
  .partner-slider { grid-template-columns: 34px minmax(0,1fr) 34px; gap: 8px; }
  .partner-page { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .partner-nav { width: 34px; height: 34px; font-size: 22px; }
}