:root {
    --forest: #1B7A4E;
    --forest-deep: #0E4D31;
    --sun: #FFC845;
    --sun-soft: #FFE9A8;
    --violet: #7B5BE6;
    --violet-deep: #4A3495;
    --ink: #14251D;
    --paper: #F7FBF6;
    --paper-2: #EFF7EE;
    --radius: 18px;
    --shadow: 0 10px 30px rgba(14, 77, 49, .12);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }

  html { scroll-behavior: smooth; }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  img { display: block; max-width: 100%; }

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

  .wrap {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* ============ 头部导航 ============ */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(247, 251, 246, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(27, 122, 78, .12);
  }

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

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: .5px;
    color: var(--forest-deep);
    flex-shrink: 0;
  }

  .brand img {
    height: 34px;
    width: auto;
    border-radius: 9px;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-links a {
    font-size: 13.5px;
    padding: 6px 10px;
    border-radius: 999px;
    color: #2C4A3B;
    transition: background .25s, color .25s;
    white-space: nowrap;
  }

  .nav-links a:hover {
    background: var(--sun-soft);
    color: var(--forest-deep);
  }

  .nav-toggle {
    display: none;
    border: 1px solid rgba(27,122,78,.28);
    background: #fff;
    color: var(--forest-deep);
    border-radius: 10px;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
  }

  /* ============ 首屏 ============ */
  .hero {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 12% 18%, rgba(255, 200, 69, .55), transparent 46%),
      radial-gradient(circle at 88% 8%, rgba(123, 91, 230, .38), transparent 44%),
      linear-gradient(140deg, #0E4D31 0%, #1B7A4E 46%, #2FA06A 100%);
    color: #fff;
    padding: 56px 0 64px;
  }

  .hero::after {
    content: "";
    position: absolute;
    inset: auto -10% -40% -10%;
    height: 60%;
    background: radial-gradient(ellipse at center, rgba(255, 233, 168, .28), transparent 68%);
    animation: breathe 7s ease-in-out infinite;
    pointer-events: none;
  }

  @keyframes breathe {
    0%, 100% { transform: scale(1); opacity: .7; }
    50% { transform: scale(1.08); opacity: 1; }
  }

  .hero-grid {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
  }

  .hero-copy { flex: 1 1 460px; min-width: 0; }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .34);
    color: var(--sun-soft);
    font-size: 13px;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
  }

  .hero h1 {
    font-size: clamp(30px, 5vw, 50px);
    line-height: 1.2;
    letter-spacing: -.5px;
    margin-bottom: 18px;
  }

  .hero h1 em {
    font-style: normal;
    color: var(--sun);
  }

  .hero-lead {
    font-size: 16px;
    color: rgba(255, 255, 255, .9);
    max-width: 520px;
    margin-bottom: 26px;
  }

  .hero-points {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin-bottom: 30px;
  }

  .hero-points li {
    list-style: none;
    font-size: 14px;
    color: rgba(255, 255, 255, .94);
    display: flex;
    align-items: flex-start;
    gap: 8px;
  }

  .hero-points li span {
    color: var(--sun);
    font-weight: 800;
    line-height: 1.5;
  }

  /* 下载按钮组 */
  .dl-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 13px 24px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    transition: transform .22s, box-shadow .22s, background .22s;
    cursor: pointer;
    border: none;
  }

  .btn:hover { transform: translateY(-2px); }

  .btn-primary {
    background: linear-gradient(135deg, var(--sun), #FFB020);
    color: #3B2600;
    box-shadow: 0 8px 22px rgba(255, 176, 32, .4);
  }

  .btn-ghost {
    background: rgba(255, 255, 255, .14);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .5);
  }

  .btn-ghost:hover { background: rgba(255, 255, 255, .26); }

  .btn-icon { font-size: 17px; }

  .hero-note {
    margin-top: 16px;
    font-size: 12.5px;
    color: rgba(255, 255, 255, .72);
  }

  /* 首屏轮播视觉 */
  .hero-visual {
    flex: 0 1 380px;
    min-width: 0;
    position: relative;
  }

  .carousel {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    max-height: 470px;
    border-radius: 26px;
    overflow: hidden;
    box-shadow: 0 26px 60px rgba(0, 0, 0, .38);
    background: #0E4D31;
  }

  .carousel .slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .9s ease, transform 6s linear;
    transform: scale(1.02);
  }

  .carousel .slide.is-active {
    opacity: 1;
    transform: scale(1.09);
  }

  .carousel .slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .carousel-badge {
    position: absolute;
    left: 14px;
    bottom: 14px;
    z-index: 3;
    background: rgba(14, 77, 49, .8);
    color: var(--sun-soft);
    font-size: 12.5px;
    padding: 5px 13px;
    border-radius: 999px;
    border: 1px solid rgba(255, 233, 168, .5);
  }

  .float-chip {
    position: absolute;
    background: #fff;
    color: var(--forest-deep);
    font-size: 12.5px;
    font-weight: 700;
    padding: 7px 13px;
    border-radius: 999px;
    box-shadow: 0 8px 22px rgba(0, 0, 0, .2);
    z-index: 4;
  }

  .chip-a { top: 14px; right: -10px; animation: floaty 4.6s ease-in-out infinite; }
  .chip-b { bottom: 60px; left: -14px; animation: floaty 5.4s ease-in-out infinite .8s; }

  @keyframes floaty {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-9px); }
  }

  /* ============ 通用区块 ============ */
  .section { padding: 68px 0; }

  .sec-head { margin-bottom: 36px; max-width: 700px; }

  .sec-kicker {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 1.4px;
    color: var(--forest);
    background: var(--sun-soft);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
  }

  .sec-head h2 {
    font-size: clamp(24px, 3.4vw, 34px);
    line-height: 1.28;
    color: var(--forest-deep);
    margin-bottom: 12px;
  }

  .sec-head p { color: #445A4E; font-size: 15px; }

  /* ============ 高能爽剧：景深墙 ============ */
  .wall-section {
    background: linear-gradient(170deg, #F7FBF6 0%, #EAF6E8 55%, #FDF4DE 100%);
  }

  .parallax-wall {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    perspective: 1400px;
  }

  .wall-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transform-style: preserve-3d;
    transition: transform .4s ease, box-shadow .4s ease;
    will-change: transform;
  }

  .wall-card:nth-child(4n+1) { transform: translateY(14px) rotateY(3deg); }
  .wall-card:nth-child(4n+2) { transform: translateY(-8px) rotateY(-3deg); }
  .wall-card:nth-child(4n+3) { transform: translateY(20px) rotateY(2.5deg); }
  .wall-card:nth-child(4n+4) { transform: translateY(0) rotateY(-2.5deg); }

  .wall-card:hover {
    transform: translateY(-10px) rotateY(0) scale(1.03);
    box-shadow: 0 22px 46px rgba(14, 77, 49, .22);
    z-index: 3;
  }

  .wall-card figure {
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--paper-2);
  }

  .wall-card figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }

  .wall-card:hover figure img { transform: scale(1.06); }

  .wall-body { padding: 14px 15px 17px; }

  .wall-body h3 {
    font-size: 15.5px;
    color: var(--forest-deep);
    margin-bottom: 6px;
    line-height: 1.4;
  }

  .wall-body p { font-size: 13px; color: #55705F; line-height: 1.6; }

  .tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

  .tag {
    font-size: 11.5px;
    padding: 3px 9px;
    border-radius: 999px;
    background: #EAF6E8;
    color: var(--forest);
    font-weight: 700;
  }

  .tag.violet { background: #EFEAFD; color: var(--violet-deep); }
  .tag.sun { background: #FFF3D0; color: #8A6100; }

  /* ============ 独家原创：胶片长廊 ============ */
  .original-section {
    background: linear-gradient(160deg, #241A4E 0%, #3E2B80 48%, #6C4FD1 100%);
    color: #fff;
    overflow: hidden;
  }

  .original-section .sec-kicker { background: rgba(255, 233, 168, .18); color: var(--sun); }
  .original-section .sec-head h2 { color: #fff; }
  .original-section .sec-head p { color: rgba(255, 255, 255, .82); }

  .film-strip {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 8px 4px 26px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .film-strip::-webkit-scrollbar { height: 6px; }
  .film-strip::-webkit-scrollbar-thumb { background: rgba(255, 233, 168, .4); border-radius: 999px; }

  .film-item {
    flex: 0 0 300px;
    scroll-snap-align: start;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(6px);
  }

  .film-pic {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
  }

  .film-pic img { width: 100%; height: 100%; object-fit: cover; }

  .film-date {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(20, 14, 40, .78);
    color: var(--sun);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 233, 168, .45);
  }

  .film-body { padding: 16px 18px 20px; }

  .film-body h3 { font-size: 16.5px; margin-bottom: 8px; }

  .film-body p { font-size: 13.5px; color: rgba(255, 255, 255, .82); line-height: 1.68; }

  .film-body .tag-row .tag { background: rgba(255, 255, 255, .16); color: #FFF3D0; }

  /* ============ 追更日历：能量时间轴 ============ */
  .calendar-section {
    background:
      radial-gradient(circle at 84% 12%, rgba(255, 200, 69, .3), transparent 42%),
      linear-gradient(165deg, #F7FBF6, #E6F5E5);
  }

  .energy-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
    padding-top: 14px;
  }

  .energy-timeline::before {
    content: "";
    position: absolute;
    top: 46px;
    left: 4%;
    right: 4%;
    height: 3px;
    background: linear-gradient(90deg, #44D77E, #9CF27C, #44D77E);
    border-radius: 999px;
    box-shadow: 0 0 14px rgba(68, 215, 126, .65);
  }

  .energy-node { position: relative; text-align: center; }

  .node-time {
    font-size: 14px;
    font-weight: 800;
    color: var(--forest-deep);
    margin-bottom: 12px;
    font-variant-numeric: tabular-nums;
  }

  .node-dot {
    width: 18px;
    height: 18px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: #44D77E;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px rgba(68, 215, 126, .35), 0 0 16px rgba(68, 215, 126, .9);
    animation: nodePulse 2.4s ease-in-out infinite;
  }

  .energy-node:nth-child(2) .node-dot { animation-delay: .3s; }
  .energy-node:nth-child(3) .node-dot { animation-delay: .6s; }
  .energy-node:nth-child(4) .node-dot { animation-delay: .9s; }
  .energy-node:nth-child(5) .node-dot { animation-delay: 1.2s; }
  .energy-node:nth-child(6) .node-dot { animation-delay: 1.5s; }

  @keyframes nodePulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(68, 215, 126, .3), 0 0 10px rgba(68, 215, 126, .6); }
    50% { box-shadow: 0 0 0 7px rgba(68, 215, 126, .08), 0 0 24px rgba(68, 215, 126, 1); }
  }

  .node-card {
    background: #fff;
    border-radius: 14px;
    padding: 12px 12px 14px;
    box-shadow: 0 6px 18px rgba(14, 77, 49, .09);
    border-top: 3px solid #44D77E;
    text-align: left;
  }

  .node-card strong {
    display: block;
    font-size: 14px;
    color: var(--forest-deep);
    margin-bottom: 5px;
  }

  .node-card span { font-size: 12.5px; color: #5B7365; line-height: 1.55; display: block; }

  /* ============ 许愿池 & 魔改风向标 ============ */
  .bubble-section {
    background: linear-gradient(150deg, #FFF7E3 0%, #EAF6E8 52%, #E9E3FC 100%);
  }

  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .panel {
    background: rgba(255, 255, 255, .78);
    border: 1px solid rgba(27, 122, 78, .14);
    border-radius: 24px;
    padding: 24px 22px 26px;
    box-shadow: var(--shadow);
  }

  .panel h2 {
    font-size: 22px;
    color: var(--forest-deep);
    margin-bottom: 8px;
  }

  .panel-intro { font-size: 13.5px; color: #55705F; margin-bottom: 18px; }

  .rank-list { display: flex; flex-direction: column; gap: 11px; }

  .rank-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .72);
    border: 1px solid rgba(27, 122, 78, .12);
  }

  .rank-item.top {
    background: linear-gradient(120deg, rgba(255, 200, 69, .3), rgba(123, 91, 230, .16));
    border: 1px solid transparent;
    box-shadow: 0 0 0 2px rgba(68, 215, 126, .7), 0 0 18px rgba(68, 215, 126, .5);
  }

  .rank-no {
    flex: 0 0 28px;
    height: 28px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    background: #DCEEDC;
    color: var(--forest-deep);
  }

  .rank-item.top .rank-no {
    background: linear-gradient(135deg, var(--sun), #FF9E1B);
    color: #3B2600;
  }

  .rank-text { min-width: 0; }
  .rank-text strong { display: block; font-size: 14.5px; color: var(--forest-deep); }
  .rank-text span { font-size: 12.5px; color: #5B7365; }

  /* ============ 观剧回响：弹幕流 ============ */
  .echo-section {
    background: linear-gradient(165deg, #0E4D31 0%, #14603E 48%, #1E7C55 100%);
    color: #fff;
  }

  .echo-section .sec-kicker { background: rgba(255, 200, 69, .2); color: var(--sun); }
  .echo-section .sec-head h2 { color: #fff; }
  .echo-section .sec-head p { color: rgba(255, 255, 255, .82); }

  .danmaku-stage {
    position: relative;
    overflow: hidden;
    border-radius: 22px;
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .16);
    padding: 22px 20px;
  }

  .danmaku-row {
    display: flex;
    gap: 14px;
    padding: 7px 0;
    width: max-content;
    animation: marquee 34s linear infinite;
  }

  .danmaku-row.reverse { animation-direction: reverse; animation-duration: 40s; }
  .danmaku-row.slow { animation-duration: 46s; }

  .danmaku-stage:hover .danmaku-row { animation-play-state: paused; }

  @keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }

  .bubble {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    padding: 9px 15px 9px 10px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .18);
    white-space: nowrap;
    flex-shrink: 0;
  }

  .bubble img {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: #fff;
  }

  .bubble-text { font-size: 13.5px; color: rgba(255, 255, 255, .94); }
  .bubble-text b { color: var(--sun); font-weight: 700; margin-right: 4px; }

  /* ============ 常见问题 ============ */
  .faq-section {
    background: linear-gradient(180deg, #F7FBF6 0%, #EFF7EE 100%);
  }

  .faq-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 40px;
    align-items: start;
  }

  .faq-list { display: flex; flex-direction: column; gap: 12px; }

  .faq-item {
    background: #fff;
    border-radius: 16px;
    border: 1px solid rgba(27, 122, 78, .12);
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(14, 77, 49, .06);
  }

  .faq-q {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 15px 18px;
    font-size: 15px;
    font-weight: 700;
    color: var(--forest-deep);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-family: inherit;
  }

  .faq-q::after {
    content: "+";
    font-size: 19px;
    color: var(--forest);
    transition: transform .25s;
    flex-shrink: 0;
  }

  .faq-item.open .faq-q::after { transform: rotate(45deg); }

  .faq-a {
    display: none;
    padding: 0 18px 16px;
    font-size: 14px;
    color: #4C6456;
    line-height: 1.75;
  }

  .faq-item.open .faq-a { display: block; }

  .faq-side {
    background: linear-gradient(150deg, var(--forest), #2FA06A);
    color: #fff;
    border-radius: 24px;
    padding: 28px 26px;
    box-shadow: var(--shadow);
  }

  .faq-side h3 { font-size: 19px; margin-bottom: 10px; }

  .faq-side p { font-size: 14px; color: rgba(255, 255, 255, .88); margin-bottom: 18px; }

  .faq-side ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

  .faq-side li {
    font-size: 13.5px;
    color: rgba(255, 255, 255, .95);
    padding-left: 18px;
    position: relative;
  }

  .faq-side li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--sun);
  }

  /* ============ 截图墙 ============ */
  .gallery-section {
    background: linear-gradient(170deg, #FDF4DE 0%, #F3FBEF 60%, #EDE7FB 100%);
  }

  .shot-wall {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
  }

  .shot-wall figure {
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    box-shadow: 0 6px 18px rgba(14, 77, 49, .12);
    background: var(--paper-2);
    transition: transform .3s;
  }

  .shot-wall figure:hover { transform: translateY(-6px) scale(1.02); }

  .shot-wall img { width: 100%; height: 100%; object-fit: cover; }

  /* ============ 安装步骤 + 下载 ============ */
  .install-section {
    background:
      radial-gradient(circle at 90% 10%, rgba(255, 200, 69, .35), transparent 40%),
      linear-gradient(150deg, #0E4D31 0%, #1B7A4E 100%);
    color: #fff;
    padding: 68px 0 72px;
  }

  .install-section .sec-head h2 { color: #fff; }
  .install-section .sec-head p { color: rgba(255, 255, 255, .84); }
  .install-section .sec-kicker { background: rgba(255, 200, 69, .2); color: var(--sun); }

  .steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 40px;
  }

  .step {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 18px;
    padding: 22px 20px;
  }

  .step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--sun);
    color: #3B2600;
    font-weight: 800;
    font-size: 15px;
    margin-bottom: 12px;
  }

  .step h3 { font-size: 16px; margin-bottom: 7px; }
  .step p { font-size: 13.5px; color: rgba(255, 255, 255, .86); line-height: 1.7; }

  .install-cta {
    text-align: center;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 24px;
    padding: 34px 22px;
  }

  .install-cta h3 { font-size: 21px; margin-bottom: 8px; }
  .install-cta > p { font-size: 13.5px; color: rgba(255, 255, 255, .82); margin-bottom: 22px; }

  .install-cta .dl-group { justify-content: center; }

  .install-cta .btn-ghost span.dev { font-weight: 500; opacity: .8; font-size: 12.5px; }

  /* ============ 页脚 ============ */
  .site-footer {
    background: #0B3A26;
    color: rgba(255, 255, 255, .8);
    padding: 46px 0 26px;
    font-size: 13.5px;
  }

  .footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: space-between;
    padding-bottom: 26px;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .footer-brand { flex: 1 1 320px; max-width: 420px; }

  .footer-brand .brand { color: #fff; margin-bottom: 12px; font-size: 17px; }

  .footer-brand p { color: rgba(255, 255, 255, .68); line-height: 1.8; }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    align-content: flex-start;
  }

  .footer-links a {
    color: rgba(255, 255, 255, .78);
    font-size: 13.5px;
  }

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

  .footer-bottom {
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    justify-content: space-between;
    color: rgba(255, 255, 255, .5);
    font-size: 12.5px;
  }

  /* ============ 百度App复制弹窗 ============ */
  .copy-mask {
    position: fixed;
    inset: 0;
    background: rgba(9, 30, 20, .62);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 200;
  }

  .copy-mask.show { display: flex; }

  .copy-box {
    width: 100%;
    max-width: 380px;
    background: #fff;
    border-radius: 20px;
    padding: 26px 22px 22px;
    text-align: center;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
  }

  .copy-box h3 {
    font-size: 16px;
    color: var(--forest-deep);
    line-height: 1.6;
    margin-bottom: 16px;
  }

  .copy-url {
    font-size: 13px;
    color: #2C4A3B;
    background: var(--paper-2);
    border: 1px dashed rgba(27, 122, 78, .4);
    border-radius: 10px;
    padding: 11px 12px;
    word-break: break-all;
    margin-bottom: 16px;
  }

  .copy-actions { display: flex; gap: 10px; }

  .copy-actions button {
    flex: 1;
    padding: 11px 0;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    font-family: inherit;
  }

  .btn-copy { background: linear-gradient(135deg, var(--sun), #FFB020); color: #3B2600; }
  .btn-close { background: #EDF3EE; color: #44604F; }

  .copy-tip { font-size: 12px; color: #6E8478; margin-top: 12px; min-height: 18px; }

  /* ============ 响应式 ============ */
  @media (max-width: 1024px) {
    .nav-links { gap: 2px; }
    .nav-links a { font-size: 12.5px; padding: 5px 8px; }
    .hero-grid { gap: 34px; }
    .parallax-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .shot-wall { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .energy-timeline { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 26px; }
    .energy-timeline::before { display: none; }
    .two-col { gap: 24px; }
  }

  @media (max-width: 860px) {
    .nav-toggle { display: block; }
    .nav-links {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: #fff;
      border-bottom: 1px solid rgba(27, 122, 78, .14);
      padding: 12px 16px 16px;
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
      box-shadow: 0 14px 26px rgba(14, 77, 49, .12);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 9px 12px; border-radius: 10px; }
    .nav-bar { position: relative; }
    .two-col { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; gap: 24px; }
    .steps { grid-template-columns: 1fr; }
  }

  @media (max-width: 768px) {
    .section { padding: 48px 0; }
    .hero { padding: 38px 0 46px; }
    .hero-grid { flex-direction: column-reverse; gap: 28px; }
    .hero-visual { flex: 1 1 auto; width: 100%; max-width: 320px; margin: 0 auto; }
    .hero-copy { flex: 1 1 auto; width: 100%; }
    .hero-points { grid-template-columns: 1fr; }
    .dl-group { gap: 10px; }
    .dl-group .btn { flex: 1 1 46%; justify-content: center; }
    .parallax-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .wall-card:nth-child(n) { transform: none; }
    .shot-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
    .energy-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .film-item { flex: 0 0 78%; }
    .float-chip { display: none; }
    .footer-top { gap: 22px; }
    .footer-bottom { flex-direction: column; gap: 6px; }
    .install-cta .btn { flex: 1 1 100%; justify-content: center; }
  }

  @media (max-width: 420px) {
    .parallax-wall { grid-template-columns: 1fr 1fr; }
    .wall-body p { font-size: 12px; }
    .shot-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .energy-timeline { grid-template-columns: 1fr; }
    .film-item { flex: 0 0 88%; }
    .bubble { white-space: normal; max-width: 260px; }
  }