/* ============================================================
   未知鹿官网 · PC 端（>= 1024px）
   设计稿基准：1923 × 5548，版心 1024
   全部使用 px
   ============================================================ */

@media (min-width: 1024px) {
  html {
    font-size: 16px;
  }

  body {
    font-size: 16px;
  }

  .container {
    width: 100%;
    max-width: 1024px;
    margin-inline: auto;
  }

  section[id] {
    scroll-margin-top: 64px;
  }

  /* ---------- 固定导航 ---------- */

  .site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    background: transparent;
    transition: background-color 0.25s ease, box-shadow 0.25s ease;
  }

  .site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 1px 0 rgba(17, 20, 29, 0.06), 0 6px 24px rgba(60, 50, 110, 0.06);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .header-inner {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 1024px;
    height: 64px;
    margin-inline: auto;
  }

  .brand {
    display: flex;
    align-items: center;
    flex: none;
  }

  .brand-mark {
    position: relative;
    display: block;
    width: 44px;
    height: 44px;
    overflow: hidden;
    border-radius: 10.56px;
    background: #fff;
  }

  .brand-mark img {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 38.368px;
    height: 38.368px;
    transform: translateX(-50%);
  }

  .brand-word {
    display: block;
    width: 68.494px;
    height: 30.383px;
    margin-left: 4px;
  }

  .brand-word--mobile {
    display: none;
  }

  .primary-nav {
    position: relative;
    margin-left: 14.4px;
  }

  .nav-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 6px;
    background: var(--purple-soft);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
    will-change: transform;
  }

  .nav-indicator.is-visible {
    opacity: 1;
  }

  .nav-indicator.no-transition {
    transition: none;
  }

  .primary-nav ul {
    display: flex;
    align-items: stretch;
    height: 64px;
  }

  .primary-nav li {
    display: flex;
    width: 127.7px;
  }

  .nav-link {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    color: var(--ink);
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    white-space: nowrap;
  }

  .nav-link.is-active {
    font-weight: 500;
  }

  .header-cta {
    width: 110px;
    height: 44px;
    margin-left: auto;
    padding: 0 22px;
    font-size: 17px;
    line-height: 20px;
    letter-spacing: -0.374px;
  }

  .nav-toggle,
  .mobile-menu {
    display: none;
  }

  @media (max-width: 1087.98px) {
    .container,
    .header-inner {
      padding-inline: 32px;
    }

    .primary-nav {
      margin-left: 8px;
    }

    .primary-nav li {
      width: 119px;
    }
  }

  @media (max-width: 1199.98px) {
    .download-phones {
      right: 32px;
      width: 440px;
      height: 300px;
    }
  }

  /* ---------- Hero ---------- */

  .hero {
    position: relative;
    display: flex;
    align-items: center;
    height: 722px;
    overflow: hidden;
    background: #fff;
  }

  .hero-art {
    position: absolute;
    top: 0;
    right: 7.5%;
    width: 82.7%;
    height: 722px;
    overflow: hidden;
  }

  .hero-art img {
    position: absolute;
    top: 0;
    left: -9.1%;
    width: 109.14%;
    max-width: none;
    height: 100%;
    object-fit: cover;
  }

  .hero-fade {
    position: absolute;
    pointer-events: none;
  }

  .hero-fade--left {
    top: 0;
    left: 9.78%;
    width: 38.4%;
    height: 100%;
    background: linear-gradient(to left, rgba(255, 255, 255, 0), #fff);
  }

  .hero-fade--right {
    top: 0;
    right: 7.5%;
    width: 7.8%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0), #fff);
  }

  .hero-fade--bottom {
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #fff);
  }

  .hero-inner {
    position: relative;
    z-index: 1;
  }

  .hero-copy {
    width: 358px;
  }

  .hero h1 {
    color: var(--ink);
    font-family: var(--font-serif);
    font-size: 56px;
    font-weight: 700;
    line-height: 72px;
    letter-spacing: -0.28px;
  }

  .hero-desc {
    margin-top: 16px;
    white-space: nowrap;
    color: var(--text);
    font-size: 16px;
    line-height: 28px;
  }

  .hero-actions {
    margin-top: 41px;
  }

  .hero-buttons {
    display: flex;
    gap: 17px;
  }

  .hero-buttons .btn {
    height: 44px;
    padding: 0 22px;
    font-size: 17px;
    line-height: 20px;
    letter-spacing: -0.374px;
  }

  .hero-buttons .btn:first-child {
    width: 150px;
  }

  .hero-buttons .btn--outline {
    width: 111px;
  }

  .hero-note {
    margin-top: 12px;
    color: rgba(29, 29, 31, 0.7);
    font-size: 12px;
    line-height: 20px;
  }

  /* ---------- 通用区块 ---------- */

  .explore {
    padding: 50px 0 100px;
    background: #fff;
  }

  .companions {
    padding: 50px 0;
    background: var(--bg-gray);
  }

  .features {
    padding: 100px 0;
    background: #fff;
  }

  .about {
    position: relative;
    min-height: 322px;
    padding: 50px 0;
    overflow: hidden;
    background: var(--bg-gray);
  }

  .business {
    padding: 50px 0 100px;
    background: #fff;
  }

  .download {
    position: relative;
    padding: 100px 0;
    background: var(--bg-gray);
  }

  .faq {
    padding: 32px 0;
    background: #fff;
  }

  .contact {
    display: flex;
    align-items: center;
    min-height: 350px;
    padding: 0;
    background: #fff;
  }

  .section-title {
    margin-top: 8px;
    font-size: 36px;
    line-height: 48px;
  }

  .section-title--lg {
    font-size: 40px;
    line-height: 52px;
  }

  .section-sub {
    margin-top: 8px;
    font-size: 16px;
    line-height: 28px;
  }

  /* ---------- 02 探索 ---------- */

  .explore .section-sub,
  .about-sub {
    color: var(--muted);
  }

  .explore-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 20px;
    margin-top: 32px;
  }

  .explore-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 232px;
    padding: 20px 0;
    border-radius: 80px;
    background: linear-gradient(to bottom, #f5f5f5, #fff);
    text-align: center;
  }

  .explore-icon {
    width: 100px;
    height: 100px;
    flex: none;
  }

  .explore-name {
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 28px;
  }

  .explore-text {
    color: var(--body);
    font-size: 14px;
    line-height: 24px;
  }

  /* ---------- 03 三只小鹿 ---------- */

  .companion-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 44px;
  }

  .companion-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 0 8px rgba(224, 192, 255, 0.2);
  }

  .companion-name {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    color: var(--purple-card);
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    line-height: 34px;
    text-align: left;
  }

  .bullet {
    display: block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--purple-card);
    flex: none;
  }

  .companion-art {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    height: 256px;
    flex: none;
  }

  .companion-art img {
    height: 256px;
    max-width: none;
    object-fit: fill;
  }

  .companion-art--zhizhiwe img {
    width: 264px;
  }

  .companion-art--jingzhe img {
    width: 276px;
  }

  .companion-art--nanfeng img {
    width: 232px;
  }

  .companion-role {
    color: var(--ink);
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    line-height: 34px;
    text-align: center;
  }

  .companion-desc {
    color: var(--body);
    font-size: 14px;
    line-height: 24px;
    text-align: center;
  }

  .companion-card:nth-child(2) .companion-desc,
  .companion-card:nth-child(3) .companion-desc {
    min-height: 48px;
  }

  .companion-cta {
    display: flex;
    width: max-content;
    height: 44px;
    margin: 44px auto 0;
    padding: 0 22px;
    font-size: 17px;
    line-height: 20px;
    letter-spacing: -0.374px;
  }

  /* ---------- 04 功能 ---------- */

  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
    margin-top: 44px;
  }

  .feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 16px 16px 24px;
    border-radius: 24px;
    background: linear-gradient(to bottom, #fff, #f5f5f5);
  }

  .feature-art {
    width: 100%;
    aspect-ratio: 1448 / 1086;
    overflow: hidden;
    border-radius: 16px;
  }

  .feature-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .feature-name {
    color: var(--ink);
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    line-height: 34px;
    text-align: center;
  }

  .feature-text {
    color: var(--body);
    font-size: 16px;
    line-height: 24px;
    text-align: center;
  }

  .subsection-head {
    margin-top: 44px;
    text-align: center;
  }

  .subsection-title {
    font-size: 26px;
    line-height: 1.42;
  }

  .subsection-sub {
    margin-top: 8px;
    font-size: 16px;
    line-height: 28px;
  }

  .game-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    margin-top: 44px;
  }

  .game-card {
    display: flex;
    align-items: center;
    gap: 26px;
    height: 140px;
    padding: 16px 16px 24px 24px;
    border-radius: 24px;
    background: linear-gradient(to left, #fff, #f5f5f5);
  }

  .game-art {
    flex: none;
    height: 100px;
  }

  .game-art--coin {
    width: 94px;
  }

  .game-art--muyu {
    width: 113.5px;
    height: 89.75px;
  }

  .game-art--book {
    width: 133.333px;
  }

  .game-art--coin img,
  .game-art--book img,
  .game-art--muyu img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: bottom;
  }

  .game-copy {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
  }

  .game-name {
    color: var(--ink);
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
  }

  .game-text {
    color: var(--body);
    font-size: 16px;
    line-height: 24px;
    white-space: nowrap;
  }

  /* ---------- 05 公司介绍 ---------- */

  .about-bg {
    position: absolute;
    top: 50%;
    right: 0;
    width: 720px;
    height: 518px;
    overflow: hidden;
    opacity: 0.3;
    transform: translateY(-50%);
  }

  .about-bg img {
    position: absolute;
    top: 0;
    left: -6.67%;
    width: 107.92%;
    max-width: none;
    height: 100%;
  }

  .about-copy {
    position: relative;
    z-index: 1;
    width: 716px;
  }

  .about-sub {
    margin-top: 8px;
    font-size: 16px;
    line-height: 28px;
  }

  .about-body {
    margin-top: 8px;
    color: var(--text);
    font-family: "PingFang SC", var(--font-sans);
    font-size: 16px;
    line-height: 26px;
    letter-spacing: 0.196px;
  }

  .about-signature {
    position: absolute;
    top: 100px;
    left: calc(50% + 255px);
    z-index: 2;
    width: 243px;
    transform: rotate(-8deg);
    transform-origin: center;
  }

  .about-signature .signature-script {
    font-size: 34px;
    line-height: 44px;
  }

  .about-signature .signature-note {
    margin-top: 10px;
    font-size: 14px;
    line-height: 24px;
  }

  /* ---------- 06 业务方向 ---------- */

  .business-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-rows: 160px;
    gap: 16px;
    margin-top: 32px;
  }

  .order-tech {
    order: 1;
  }

  .order-software {
    order: 2;
  }

  .order-consulting {
    order: 3;
  }

  .order-integration {
    order: 4;
  }

  .order-office {
    order: 5;
  }

  .order-marketing {
    order: 6;
  }

  .business-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    min-width: 0;
    padding: 16px 20px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.75);
  }

  .business-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(to right, #f5f2fe, #ece8fd);
    flex: none;
  }

  .business-icon img {
    width: 28px;
    height: 28px;
  }

  .business-name {
    color: var(--ink);
    font-size: 16px;
    font-weight: 700;
    line-height: 28px;
  }

  .business-text {
    color: var(--body);
    font-size: 14px;
    line-height: 24px;
  }

  /* ---------- 07 下载 ---------- */

  .download-inner {
    position: relative;
    min-height: 402px;
  }

  .download-copy {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
  }

  .qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }

  .qr-img {
    width: 150px;
    height: 150px;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    background: #fff;
    object-fit: cover;
  }

  .qr-note {
    width: 112px;
    color: var(--body);
    font-size: 12px;
    line-height: 20px;
    text-align: center;
  }

  .stores {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .store {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 72px;
    padding: 12px 24px;
    border-radius: 71px;
  }

  .store--primary {
    background: var(--purple);
  }

  .store--secondary {
    border: 1px solid #d5cdef;
    background: rgba(255, 255, 255, 0.75);
  }

  .store > img {
    width: 32px;
    height: 32px;
    flex: none;
  }

  .store-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 132px;
    line-height: 24px;
  }

  .store-name {
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
  }

  .store--primary .store-name {
    color: #fff;
  }

  .store-hint {
    color: var(--muted);
    font-size: 14px;
  }

  .store--primary .store-hint {
    color: #f2eeff;
  }

  .download-phones {
    position: absolute;
    top: 50%;
    right: 0;
    z-index: 2;
    width: 588px;
    height: 400px;
    overflow: hidden;
    transform: translateY(-50%);
  }

  .download-phones img {
    position: absolute;
    top: 0;
    left: 0;
    width: 102.04%;
    max-width: none;
    height: 100%;
  }

  .download-signature {
    position: absolute;
    top: 26px;
    left: calc(50% - 18px);
    z-index: 3;
    color: var(--purple-soft);
    font-family: var(--font-script);
    font-size: 32px;
    line-height: 1;
    transform: rotate(-8deg);
  }

  /* ---------- 08 常见问题 ---------- */

  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 24px;
  }

  .faq-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    height: 44px;
    padding: 0 16px 0 20px;
    border: 1px solid var(--line-soft);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.6);
    color: #3b3c51;
    font-size: 14px;
    line-height: 24px;
    text-align: left;
  }

  .faq-trigger > span {
    flex: 1;
  }

  .faq-icon {
    flex: none;
    width: 24px;
    height: 24px;
    color: #8a8a94;
  }

  .faq-icon__close {
    display: none;
  }

  .faq-item.is-open .faq-icon__close {
    display: block;
  }

  .faq-item.is-open .faq-icon__plus {
    display: none;
  }

  .faq-panel {
    display: none;
    padding: 0 24px;
    color: #3b3c51;
    font-size: 14px;
    line-height: 24px;
  }

  .faq-item.is-open .faq-panel {
    display: block;
    margin-top: 8px;
  }


  /* ---------- 09 联系 ---------- */

  .contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    margin-top: 16px;
  }

  .contact-card {
    min-height: 114px;
    padding: 24px;
    border: 1px solid var(--line-soft);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.7);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .contact-label {
    color: #1a1a2e;
    font-size: 11px;
    line-height: 16.5px;
    letter-spacing: 0.275px;
  }

  .contact-value {
    margin-top: 8px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
    line-height: 19.25px;
  }

  /* ---------- Footer ---------- */

  .site-footer {
    padding: 32px 0;
    border-top: 1px solid #eae7f5;
    background: var(--bg-gray);
  }

  .footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1024px;
    padding: 0 24px;
  }

  .footer-brand {
    display: flex;
    align-items: center;
  }

  .footer-mark {
    display: block;
    width: 24px;
    height: 24px;
    overflow: hidden;
    border-radius: 5.76px;
    background: #fff;
  }

  .footer-mark img {
    width: 20.928px;
    height: 20.928px;
    margin: 1.536px auto 0;
  }

  .footer-brand > img {
    width: 44.32px;
    height: 19.66px;
    margin-left: 4px;
  }

  .copyright {
    color: var(--muted);
    font-family: var(--font-sans);
    font-size: 12px;
    line-height: 16px;
  }

  .copyright .icp-link {
    display: block;
  }

  .copyright .icp-link:hover {
    color: var(--purple);
  }

  .footer-links {
    display: flex;
    gap: 20px;
  }

  .footer-links a {
    color: var(--muted);
    font-size: 12px;
    line-height: 16px;
  }

  .footer-links a:hover {
    color: var(--purple);
  }
}