:root {
  --bg: #07131f;
  --bg-soft: #0b1f31;
  --text: #edf4ff;
  --muted: #a8bad0;
  --primary: #12a3ff;
  --primary-2: #37d0ff;
  --card: #0f2538;
  --line: #1e3b55;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #030b13 0%, #07131f 35%, #081a2b 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(5, 14, 24, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
}

.logo-mark {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #001624;
  padding: 6px 10px;
  border-radius: 10px;
  margin-right: 6px;
}

.logo-text {
  font-size: 20px;
}

.nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
}

.nav a:hover {
  color: #fff;
}

.btn {
  border-radius: 999px;
  padding: 10px 20px;
  border: 1px solid transparent;
  transition: 0.2s ease;
  font-weight: 600;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #001624;
}

.btn-primary:hover {
  transform: translateY(-1px);
}

.btn-light {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.25);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 52px;
}

.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-slide--1 {
  background-image: url("../assets/images/7e6787c6670d.jpg");
}

.hero-slide--2 {
  background-image: url("../assets/images/748a53de0c5a.jpg");
}

.hero-slide--3 {
  background-image: url("../assets/images/19483b117acc.jpg");
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(3, 11, 19, 0.82) 0%, rgba(7, 19, 31, 0.72) 45%, rgba(8, 26, 43, 0.88) 100%),
    radial-gradient(circle at 18% 10%, rgba(19, 154, 255, 0.22), transparent 38%),
    radial-gradient(circle at 85% 20%, rgba(55, 208, 255, 0.18), transparent 28%);
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.14em;
  color: #8fcaff;
  font-size: 13px;
}

.hero h1 {
  margin: 14px 0 8px;
  font-size: clamp(26px, 4.5vw, 42px);
  font-weight: 700;
  color: #e8f6ff;
  line-height: 1.2;
}

.hero-platform-lead {
  margin: 0 0 16px;
  max-width: 640px;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.75;
  color: rgba(210, 230, 255, 0.92);
}

.hero-movie-line {
  margin: 0 0 8px;
  font-size: clamp(36px, 7vw, 64px);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
}

.hero-subtitle {
  color: #d2e6ff;
  margin: 0 0 12px;
  font-size: 21px;
}

.hero-description {
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 24px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 12px;
}

.hero-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  background: var(--card) url("../assets/images/shenhaizhiyue.jpg") center / cover no-repeat;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(145deg, rgba(17, 41, 61, 0.88), rgba(7, 23, 36, 0.9));
  pointer-events: none;
  z-index: 0;
}

.hero-card > * {
  position: relative;
  z-index: 1;
}

.card-badge {
  display: inline-block;
  font-size: 12px;
  background: rgba(55, 208, 255, 0.17);
  border: 1px solid rgba(55, 208, 255, 0.4);
  color: #b5efff;
  border-radius: 999px;
  padding: 5px 12px;
}

.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(4, 16, 28, 0.75);
  overflow: hidden;
}

.ticker ul {
  display: inline-flex;
  gap: 38px;
  padding: 14px 0;
  margin: 0;
  list-style: none;
  white-space: nowrap;
  color: #9cc4e8;
  animation: marquee 26s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-45%); }
}

.stats {
  padding: 42px 0 14px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stats article {
  background: rgba(10, 31, 47, 0.7);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  text-align: center;
}

.stats strong {
  display: block;
  font-size: 34px;
  color: #e8f6ff;
  margin-bottom: 6px;
}

.stats span {
  color: var(--muted);
}

.section {
  padding: 64px 0;
}

.section--flush-top {
  padding-top: 0;
}

.section.alt {
  background: rgba(5, 17, 28, 0.65);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  margin: 10px 0 0;
  font-size: 36px;
}

.cards {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.work-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--card);
}

.cover {
  height: 170px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.cover-1 { background-image: url("../assets/images/shenhaizhiyue.jpg"); }
.cover-2 { background-image: url("../assets/images/xin1ghec4huan2shuo.jpg"); }
.cover-3 { background-image: url("../assets/images/d2iush46im7iju8.jpg"); }

.work-card .content {
  padding: 18px;
}

.work-card h3 {
  margin: 0 0 8px;
}

.work-card p,
.work-card small {
  margin: 0;
  color: var(--muted);
}

.work-card small {
  display: block;
  margin-top: 8px;
}

.cast-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.cast-grid article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(15, 37, 56, 0.65);
}

.cast-grid article.cast-card--with-photo {
  padding: 0;
  overflow: hidden;
}

.cast-card--with-photo .cast-photo {
  width: 100%;
  height: auto;
  display: block;
}

.cast-card--with-photo .cast-card-copy {
  padding: 20px;
}

.cast-grid h3 {
  margin: 0 0 6px;
}

.cast-grid p {
  margin: 0;
  color: var(--muted);
}

.news-list {
  margin-top: 28px;
  display: grid;
  gap: 14px;
}

.news-list article {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  background: rgba(15, 37, 56, 0.55);
}

.news-list h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.news-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.news-list span {
  display: inline-block;
  margin-top: 10px;
  color: #8fcaff;
}

.partners-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.partners-grid span {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
  background: rgba(10, 31, 47, 0.6);
  color: #c7ddf4;
}

.site-footer {
  background: #040d16;
  border-top: 1px solid var(--line);
}

.footer-grid {
  padding: 52px 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
}

.footer-grid h3,
.footer-grid h4 {
  margin: 0 0 10px;
}

.footer-grid p,
.footer-grid li {
  color: var(--muted);
  line-height: 1.7;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  color: #7997b4;
  padding: 12px;
  font-size: 13px;
}

.page-hero {
  padding: 36px 0 8px;
}

.page-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 5vw, 40px);
}

.page-hero .lead {
  margin: 0;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.75;
}

.subpage-section {
  padding: 40px 0 64px;
}

.subpage-section h2 {
  margin: 32px 0 14px;
  font-size: 22px;
  color: #e8f6ff;
}

.subpage-section h2:first-of-type {
  margin-top: 0;
}

.subpage-section p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 900px;
}

.resource-list {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(10, 31, 47, 0.55);
}

.resource-list table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.resource-list th,
.resource-list td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.resource-list th {
  background: rgba(15, 37, 56, 0.9);
  color: #c7ddf4;
  font-weight: 600;
}

.resource-list tr:last-child td {
  border-bottom: none;
}

.resource-list td a {
  color: #8fcaff;
}

.resource-list td a:hover {
  color: #fff;
}

.seo-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a.seo-internal-link {
  color: #8fcaff;
  text-decoration: underline;
  text-decoration-color: rgba(143, 202, 255, 0.45);
  text-underline-offset: 3px;
}

a.seo-internal-link:hover {
  color: #fff;
  text-decoration-color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 960px) {
  .nav {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .cards,
  .cast-grid,
  .partners-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 52px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .stats-grid,
  .cards,
  .cast-grid,
  .partners-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* —— about.html / list.html（与 index 共用的扩展布局）—— */

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  min-height: 64px;
  padding: 10px 0;
}

.header-inner .logo {
  gap: 10px;
  font-size: 17px;
  color: var(--text);
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 0 auto;
  width: 20px;
  background: #fff;
  border-radius: 1px;
}

.nav-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
}

.nav-main a {
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
}

.nav-main a:hover {
  color: #fff;
}

.nav-main a.active {
  color: #8fcaff;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 31, 47, 0.65);
}

.search-wrap input {
  width: min(200px, 28vw);
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.search-wrap input::placeholder {
  color: #6b8299;
}

.header-search-icon {
  color: #64748b;
  flex-shrink: 0;
}

.about-hero {
  padding: 28px 0 24px;
}

.about-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(26px, 4.5vw, 38px);
  color: #e8f6ff;
  text-align: center;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-hero .lead {
  text-align: center;
}

.about-hero .lead p {
  margin: 0 auto 16px;
  color: var(--muted);
  line-height: 1.85;
  max-width: none;
}

.about-hero .lead p:last-child {
  margin-bottom: 0;
}

.mission-block {
  margin-bottom: 28px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(10, 31, 47, 0.55);
}

.mission-block h2 {
  margin: 0 0 14px;
  font-size: 22px;
  color: #e8f6ff;
}

.mission-block h3 {
  margin: 20px 0 10px;
  font-size: 17px;
  color: #c7ddf4;
}

.mission-block p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.8;
}

.mission-block p:last-child {
  margin-bottom: 0;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 28px;
}

.why-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.why-list li {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
}

.why-list li:last-child {
  margin-bottom: 0;
}

.why-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(55, 208, 255, 0.12);
  border: 1px solid rgba(55, 208, 255, 0.28);
  color: #8fcaff;
}

.why-list h4 {
  margin: 0 0 6px;
  font-size: 16px;
  color: #e8f6ff;
}

.why-list p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

.devices-mock {
  position: relative;
  min-height: 280px;
}

.device-stack {
  position: relative;
  height: 300px;
  max-width: 360px;
  margin: 0 auto;
}

.device {
  position: absolute;
  border-radius: 12px;
  border: 2px solid var(--line);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  background: var(--card);
}

.device-screen {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.device-screen--tv {
  background-image: url("../assets/images/748a53de0c5a.jpg");
}

.device-screen--laptop {
  background-image: url("../assets/images/633b937a74b3.jpg");
}

.device-screen--tablet {
  background-image: url("../assets/images/dgd5521sdsddd652.jpg");
}

.device-screen--phone {
  background-image: url("../assets/images/ddwu2w2epnw.jpg");
}

.device.tv {
  width: 88%;
  height: 42%;
  top: 0;
  left: 6%;
}

.device.laptop {
  width: 78%;
  height: 36%;
  top: 28%;
  left: 11%;
  z-index: 2;
}

.device.tablet {
  width: 44%;
  height: 38%;
  top: 48%;
  left: 4%;
  z-index: 3;
}

.device.phone {
  width: 22%;
  height: 42%;
  top: 52%;
  right: 8%;
  left: auto;
  z-index: 4;
  border-radius: 16px;
}

.cta-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
  padding: 22px 24px;
  border-radius: 16px;
  border: 1px solid rgba(55, 208, 255, 0.35);
  background: linear-gradient(135deg, rgba(18, 163, 255, 0.15), rgba(7, 23, 36, 0.9));
}

.cta-banner p {
  margin: 0;
  color: #d2e6ff;
  font-size: 16px;
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 999px;
  padding: 10px 22px;
  font-weight: 600;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
}

.footer-grid--extended {
  grid-template-columns: 1.2fr repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand h3 {
  margin: 0 0 12px;
  font-size: 18px;
  color: #e8f6ff;
}

.footer-brand > p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  max-width: 280px;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.footer-social a {
  font-size: 13px;
  color: #8fcaff;
}

.footer-social a:hover {
  color: #fff;
}

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 15px;
  color: #e8f6ff;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 14px;
  color: var(--muted);
}

.footer-links a:hover {
  color: #8fcaff;
}

.footer-note {
  margin: 0 0 8px;
  font-size: 13px;
  color: #7997b4;
  line-height: 1.55;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 28px;
  padding: 16px 0 20px;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer-bottom .copyright {
  border: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.copyright-meta {
  margin: 0;
  font-size: 13px;
  color: #7997b4;
}

.copyright-meta a {
  color: #8fcaff;
}

.copyright-meta .sep {
  margin: 0 8px;
}

.footer-bottom .copyright-main {
  margin: 0 0 8px;
  font-size: 14px;
  color: #c7ddf4;
}

.footer-batch-update {
  color: #7997b4;
  font-size: 13px;
}

.page-title {
  padding: 28px 0 8px;
}

.page-title h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4vw, 36px);
  color: #e8f6ff;
}

.page-title p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 18px;
  padding: 24px 0 56px;
}

.video-card {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(10, 31, 47, 0.65);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.video-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.3);
}

.video-poster {
  position: relative;
  aspect-ratio: 2 / 3;
  background-color: var(--card);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.video-poster--01 {
  background-image: url("../assets/images/nefefecdi2e3bew.jpg");
}

.video-poster--02 {
  background-image: url("../assets/images/7bc23d588ba8.jpg");
}

.video-poster--03 {
  background-image: url("../assets/images/dwude04bee51ecef.jpg");
}

.video-poster--04 {
  background-image: url("../assets/images/aoadode52.jpg");
}

.video-poster--05 {
  background-image: url("../assets/images/hisufcgeuiw56fce.jpg");
}

.video-poster--06 {
  background-image: url("../assets/images/xsad135dsdoid.jpg");
}

.video-poster--07 {
  background-image: url("../assets/images/dgd5521sdsddd652.jpg");
}

.video-poster--08 {
  background-image: url("../assets/images/dhs2ss541dhodw.jpg");
}

.video-poster--09 {
  background-image: url("../assets/images/dwsbdwi223nv3e.jpg");
}

.video-poster--10 {
  background-image: url("../assets/images/sniwd2e2hiqwo.jpg");
}

.video-poster--11 {
  background-image: url("../assets/images/ddwu2w2epnw.jpg");
}

.video-poster--12 {
  background-image: url("../assets/images/dne2dw330dofebawskd.jpg");
}

.video-rating {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #001624;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}

.video-meta {
  padding: 14px 14px 16px;
}

.video-meta h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: #e8f6ff;
}

.video-meta span {
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 960px) {
  .nav-toggle {
    display: flex;
    order: 2;
    margin-left: auto;
  }

  .header-inner .nav-main {
    display: none;
    order: 4;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0 4px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-header.is-open .header-inner .nav-main {
    display: flex;
  }

  .header-inner .header-actions {
    order: 3;
  }

  .header-inner .search-wrap {
    display: none;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .device-stack {
    height: 260px;
  }

  .footer-grid--extended {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-grid--extended {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}