/* roulang page: index */
:root {
      --c-primary: #1F6B4A;
      --c-primary-deep: #17583C;
      --c-ink: #1E2422;
      --c-muted: #5C6662;
      --c-metal: #A56A3A;
      --c-charge: #2AA39A;
      --c-bg: #F3F0E8;
      --c-bg-alt: #E7F0EA;
      --c-dark: #1A2220;
      --c-card: #FFFDF8;
      --c-line: #D7D2C6;
      --c-danger: #8B2E2E;
      --c-white: #FFFdf8;
      --radius-s: 6px;
      --radius-m: 10px;
      --radius-l: 12px;
      --shadow: 0 8px 24px rgba(30,36,34,.06);
      --shadow-hover: 0 12px 28px rgba(30,36,34,.1);
      --container: 1220px;
      --space-section: 88px;
      --space-section-m: 56px;
      --font: "Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      --header-h: 64px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.8;
      color: var(--c-ink);
      background: var(--c-bg);
      letter-spacing: 0;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; }
    a:hover { color: var(--c-primary-deep); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { margin: 0; letter-spacing: -.02em; line-height: 1.28; color: var(--c-ink); }
    h1 { font-size: 38px; font-weight: 700; }
    h2 { font-size: 26px; font-weight: 650; }
    h3 { font-size: 19px; font-weight: 650; }
    p { margin: 0 0 .75em; }
    p:last-child { margin-bottom: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
    ::selection { background: var(--c-primary); color: #fff; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; z-index: 200;
    }
    .skip:focus { left: 8px; }
    .topbar {
      background: var(--c-dark);
      color: #DCE8E2;
      font-size: 13px;
      line-height: 1.4;
    }
    .topbar-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      padding: 7px 0;
    }
    .topbar a { color: #E7F0EA; }
    .topbar a:hover { color: #fff; }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar .dot { width: 3px; height: 3px; border-radius: 50%; background: #6E7C76; display: inline-block; }
    .nav-main {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(255,253,248,.96);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--c-line);
    }
    .nav-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--c-ink);
      flex: 0 0 auto;
    }
    .brand:hover { color: var(--c-ink); }
    .brand-mark {
      width: 36px; height: 36px; border-radius: 8px;
      background: var(--c-primary); color: #fff;
      display: grid; place-items: center;
      flex: 0 0 36px;
    }
    .brand-mark svg { display: block; }
    .brand-name { font-weight: 700; font-size: 16px; letter-spacing: -.03em; line-height: 1.2; }
    .brand-sub { display: block; font-size: 11px; color: var(--c-muted); font-weight: 400; letter-spacing: 0; margin-top: 1px; }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px 18px;
      margin-left: auto;
      flex-wrap: nowrap;
      white-space: nowrap;
    }
    .nav-links a {
      color: var(--c-ink);
      font-size: 14px;
      padding: 8px 0;
      position: relative;
    }
    .nav-links a:hover { color: var(--c-primary); }
    .nav-links a.is-active { color: var(--c-primary); font-weight: 650; }
    .nav-links a.is-active::after,
    .nav-links a:hover::after {
      content: "";
      position: absolute;
      left: 0; right: 0; bottom: 2px;
      height: 2px;
      background: var(--c-primary);
    }
    .nav-cta { margin-left: 8px; flex: 0 0 auto; }
    .menu-toggle {
      display: none;
      margin-left: auto;
      width: 44px; height: 44px;
      border: 1px solid var(--c-line);
      background: var(--c-card);
      border-radius: var(--radius-s);
      align-items: center; justify-content: center;
      flex-direction: column; gap: 5px;
    }
    .menu-toggle span {
      display: block; width: 18px; height: 1.5px; background: var(--c-ink);
      transition: transform .2s ease, opacity .2s ease;
    }
    .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
    .drawer {
      display: none;
      border-top: 1px solid var(--c-line);
      background: var(--c-card);
    }
    .drawer a {
      display: flex; align-items: center;
      min-height: 44px;
      padding: 0 20px;
      color: var(--c-ink);
      border-bottom: 1px solid var(--c-line);
      font-size: 15px;
    }
    .drawer a.is-active { color: var(--c-primary); box-shadow: inset 3px 0 0 var(--c-primary); }
    .drawer .drawer-cta { padding: 14px 20px 18px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 12px 16px;
      border-radius: var(--radius-s);
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 650;
      letter-spacing: -.01em;
      transition: background .2s ease, transform .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
    }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover { background: var(--c-primary-deep); color: #fff; transform: translateY(-1px); }
    .btn-primary:active { transform: translateY(0); }
    .btn-metal {
      background: transparent; color: var(--c-metal);
      border-color: var(--c-metal);
    }
    .btn-metal:hover { background: rgba(165,106,58,.08); color: #8A552C; transform: translateY(-1px); }
    .btn-ghost {
      background: transparent; color: #fff;
      border-color: rgba(255,255,255,.45);
    }
    .btn-ghost:hover { background: rgba(255,255,255,.08); color: #fff; }
    .btn-light { background: var(--c-card); color: var(--c-primary); }
    .btn-light:hover { background: #fff; color: var(--c-primary-deep); }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 26px; padding: 0 8px;
      border-radius: 4px;
      background: var(--c-bg-alt);
      color: var(--c-primary);
      font-size: 12px; font-weight: 650;
    }
    .badge-metal { background: rgba(165,106,58,.12); color: var(--c-metal); }
    .badge-charge { background: rgba(42,163,154,.12); color: #1B7D76; }
    main { display: block; }
    .section { padding: var(--space-section) 0; }
    .section-alt { background: var(--c-bg-alt); }
    .section-card { background: var(--c-card); }
    .section-head { max-width: 760px; margin-bottom: 32px; }
    .section-head.center { margin-left: auto; margin-right: auto; text-align: left; }
    .eyebrow {
      display: inline-block;
      color: var(--c-primary);
      font-size: 13px; font-weight: 650;
      margin-bottom: 10px;
    }
    .section-head h2 { margin-bottom: 12px; }
    .section-head p, .lead {
      color: var(--c-muted);
      font-size: 16px;
      line-height: 1.8;
    }
    .hero {
      position: relative;
      min-height: min(78vh, 700px);
      background: #15201c;
      color: #fff;
      overflow: hidden;
    }
    .hero-track { position: relative; min-height: min(78vh, 700px); }
    .hero-slide {
      position: absolute; inset: 0;
      opacity: 0; visibility: hidden;
      transition: opacity .55s ease, visibility .55s ease;
    }
    .hero-slide.is-on { opacity: 1; visibility: visible; z-index: 1; }
    .hero-media, .hero-media img {
      position: absolute; inset: 0; width: 100%; height: 100%;
      object-fit: cover;
    }
    .hero-media::after {
      content: "";
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(18,26,24,.86) 0%, rgba(18,26,24,.55) 46%, rgba(18,26,24,.18) 100%),
        linear-gradient(180deg, rgba(18,26,24,.15) 0%, rgba(18,26,24,.55) 100%);
    }
    .hero-copy {
      position: relative; z-index: 2;
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      padding: 72px 0 92px;
      max-width: none;
      display: flex;
      align-items: flex-end;
      min-height: min(78vh, 700px);
    }
    .hero-panel { max-width: 640px; }
    .hero h1, .slide-title {
      color: #fff;
      font-size: 38px;
      font-weight: 700;
      letter-spacing: -.03em;
      margin-bottom: 14px;
    }
    .slide-title { margin: 0 0 14px; line-height: 1.28; }
    .hero-kicker {
      display: flex; flex-wrap: wrap; gap: 8px;
      margin-bottom: 14px;
    }
    .hero p {
      color: #E4EDE8;
      font-size: 16px;
      line-height: 1.85;
      margin-bottom: 22px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
    .hero-burst {
      position: absolute;
      right: max(24px, calc((100% - var(--container)) / 2));
      top: 28px;
      z-index: 3;
      width: 92px; height: 92px;
      border-radius: 10px;
      background: var(--c-metal);
      color: #fff;
      display: grid; place-items: center;
      text-align: center;
      font-size: 13px; font-weight: 700; line-height: 1.35;
      transform: rotate(-7deg);
      box-shadow: 0 10px 20px rgba(0,0,0,.18);
    }
    .hero-limit {
      display: inline-flex; align-items: center; gap: 8px;
      margin-bottom: 12px;
      padding: 6px 10px;
      border: 1px solid rgba(255,255,255,.28);
      border-radius: 4px;
      color: #F3E6D4;
      font-size: 13px; font-weight: 650;
      background: rgba(165,106,58,.22);
    }
    .hero-ctrl {
      position: absolute; z-index: 4;
      left: 0; right: 0; bottom: 22px;
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      display: flex; align-items: center; gap: 14px;
    }
    .hero-arrows { display: flex; gap: 8px; }
    .icon-btn {
      width: 44px; height: 44px; border-radius: var(--radius-s);
      border: 1px solid rgba(255,255,255,.35);
      background: rgba(26,34,32,.35);
      color: #fff;
      display: grid; place-items: center;
    }
    .icon-btn:hover { background: rgba(26,34,32,.6); }
    .hero-bars { display: flex; gap: 6px; flex: 1; max-width: 280px; }
    .hero-bars button {
      flex: 1; height: 4px; border: 0; padding: 0;
      background: rgba(255,255,255,.28);
      border-radius: 2px;
    }
    .hero-bars button.is-on { background: #fff; }
    .hero-count {
      color: #fff; font-variant-numeric: tabular-nums;
      font-size: 13px; letter-spacing: .08em;
    }
    .split {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 48px;
      align-items: center;
    }
    .frame {
      position: relative;
      border-radius: var(--radius-m);
      overflow: hidden;
      box-shadow: var(--shadow);
      background: #d8d3c6;
    }
    .frame img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; }
    .frame-cap {
      position: absolute; left: 12px; bottom: 12px;
      background: rgba(26,34,32,.78); color: #fff;
      font-size: 12px; padding: 6px 8px; border-radius: 4px;
    }
    .params {
      margin-top: 18px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .param {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-s);
      padding: 12px 14px;
    }
    .param b { display: block; font-size: 13px; color: var(--c-primary); margin-bottom: 4px; }
    .param span { font-size: 14px; color: var(--c-muted); line-height: 1.55; }
    .matrix {
      display: grid;
      grid-template-columns: 1.15fr 1fr 1fr;
      grid-template-rows: auto auto auto;
      gap: 16px;
    }
    .matrix-lead {
      grid-row: 1 / 3;
      background: var(--c-ink);
      color: #E7F0EA;
      border-radius: var(--radius-m);
      padding: 28px 26px;
      display: flex; flex-direction: column; gap: 14px;
    }
    .matrix-lead h3 { color: #fff; font-size: 22px; }
    .matrix-lead p { color: #C5D4CC; }
    .matrix-lead ul { display: grid; gap: 8px; }
    .matrix-lead li {
      padding-left: 18px; position: relative; color: #E7F0EA; font-size: 14px;
    }
    .matrix-lead li::before {
      content: ""; position: absolute; left: 0; top: 10px;
      width: 8px; height: 1px; background: var(--c-charge);
    }
    .matrix-item {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      padding: 20px 18px;
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .matrix-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: var(--c-primary);
    }
    .matrix-item h3 { margin-bottom: 8px; }
    .matrix-item p, .matrix-item li { color: var(--c-muted); font-size: 14px; line-height: 1.7; }
    .matrix-item ul { display: grid; gap: 4px; margin: 8px 0 12px; }
    .matrix-item a { font-size: 14px; font-weight: 650; }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .adv-card {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      padding: 22px 20px;
      box-shadow: var(--shadow);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .adv-card:hover { transform: translateY(-3px); border-color: var(--c-primary); box-shadow: var(--shadow-hover); }
    .adv-no {
      font-variant-numeric: tabular-nums;
      color: var(--c-charge);
      font-size: 12px; font-weight: 700; letter-spacing: .08em;
      margin-bottom: 10px;
    }
    .adv-card h3 { margin-bottom: 8px; }
    .adv-card p { color: var(--c-muted); font-size: 14px; }
    .car-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .car-card {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      overflow: hidden;
      box-shadow: var(--shadow);
      display: flex; flex-direction: column;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .car-card:hover { transform: translateY(-4px); border-color: var(--c-primary); box-shadow: var(--shadow-hover); }
    .car-cover { position: relative; }
    .car-cover img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .car-cover .badges {
      position: absolute; left: 10px; top: 10px;
      display: flex; gap: 6px; flex-wrap: wrap;
    }
    .car-cover .spec {
      position: absolute; left: 10px; right: 10px; bottom: 10px;
      background: rgba(26,34,32,.78); color: #fff;
      font-size: 12px; padding: 6px 8px; border-radius: 4px;
    }
    .car-body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .car-body h3 { font-size: 18px; }
    .car-dl {
      display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px;
      font-size: 13px; color: var(--c-muted);
    }
    .price {
      color: var(--c-metal);
      font-weight: 700;
      font-size: 20px;
      font-variant-numeric: tabular-nums;
    }
    .price small { font-size: 12px; font-weight: 400; color: var(--c-muted); margin-left: 6px; }
    .kpi-row {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1px;
      background: var(--c-line);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      overflow: hidden;
    }
    .kpi {
      background: var(--c-card);
      padding: 22px 16px;
      text-align: left;
    }
    .kpi b {
      display: block;
      font-size: 28px;
      font-variant-numeric: tabular-nums;
      color: var(--c-primary);
      letter-spacing: -.03em;
      line-height: 1.15;
    }
    .kpi span { color: var(--c-muted); font-size: 13px; }
    .battery-wrap {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 36px;
      align-items: start;
    }
    .meters { display: grid; gap: 14px; margin: 18px 0; }
    .meter label { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 6px; }
    .meter-bar { height: 8px; background: #DDD8CC; border-radius: 99px; overflow: hidden; }
    .meter-bar i { display: block; height: 100%; background: var(--c-charge); border-radius: 99px; }
    .table-lite {
      width: 100%; border-collapse: collapse; font-size: 14px;
      background: var(--c-card); border-radius: var(--radius-m); overflow: hidden;
    }
    .table-lite th, .table-lite td {
      border-bottom: 1px solid var(--c-line);
      padding: 12px 14px; text-align: left; vertical-align: top;
    }
    .table-lite th { background: var(--c-bg-alt); font-weight: 650; width: 28%; }
    .table-lite tr:last-child td, .table-lite tr:last-child th { border-bottom: 0; }
    .steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 0;
      position: relative;
    }
    .steps::before {
      content: "";
      position: absolute; left: 8%; right: 8%; top: 27px;
      height: 1px; background: var(--c-line);
    }
    .step { padding: 0 12px; position: relative; }
    .step-index {
      width: 54px; height: 54px; border-radius: 10px;
      background: var(--c-primary); color: #fff;
      display: grid; place-items: center;
      font-weight: 700; font-variant-numeric: tabular-nums;
      margin-bottom: 14px;
      position: relative; z-index: 1;
    }
    .step h3 { font-size: 17px; margin-bottom: 8px; }
    .step p { color: var(--c-muted); font-size: 14px; }
    .dark-block {
      background: var(--c-dark);
      color: #DCE6E1;
      padding: var(--space-section) 0;
    }
    .dark-grid {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 40px;
      align-items: start;
    }
    .dark-block h2 { color: #fff; margin-bottom: 14px; }
    .dark-block .lead { color: #B7C6BF; }
    .case-wall {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .case-item {
      position: relative; overflow: hidden; border-radius: var(--radius-m);
      min-height: 168px;
    }
    .case-item img { width: 100%; height: 100%; object-fit: cover; min-height: 168px; aspect-ratio: 16/10; }
    .case-item figcaption {
      position: absolute; inset: auto 0 0 0;
      padding: 28px 12px 12px;
      background: linear-gradient(180deg, transparent, rgba(10,14,13,.88));
      color: #fff;
    }
    .case-item h3 { color: #fff; font-size: 15px; margin-bottom: 4px; }
    .case-item p { font-size: 12px; color: #D5E0DB; }
    .scene-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
    .scene-tabs button {
      min-height: 40px; padding: 8px 14px;
      border-radius: var(--radius-s);
      border: 1px solid var(--c-line);
      background: var(--c-card); color: var(--c-ink);
      font-weight: 650;
    }
    .scene-tabs button[aria-selected="true"] {
      background: var(--c-primary); color: #fff; border-color: var(--c-primary);
    }
    .scene-panel {
      display: none;
      grid-template-columns: 1.1fr .9fr;
      gap: 28px; align-items: center;
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      padding: 22px;
      box-shadow: var(--shadow);
    }
    .scene-panel.is-on { display: grid; }
    .story-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .story {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .story img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .story-body { padding: 16px; }
    .story-body h3 { margin-bottom: 8px; }
    .story-body p { color: var(--c-muted); font-size: 14px; }
    .stat-band {
      background: linear-gradient(180deg, #E7F0EA, #F3F0E8);
      border-top: 1px solid var(--c-line);
      border-bottom: 1px solid var(--c-line);
    }
    .stat-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .stat b {
      display: block;
      font-size: 42px;
      font-weight: 700;
      font-variant-numeric: tabular-nums;
      color: var(--c-primary);
      letter-spacing: -.04em;
      line-height: 1.1;
    }
    .stat em { font-style: normal; font-size: 16px; margin-left: 4px; color: var(--c-ink); }
    .stat span { display: block; margin-top: 8px; color: var(--c-muted); font-size: 14px; }
    .quote-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .quote {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-left: 3px solid var(--c-primary);
      border-radius: var(--radius-m);
      padding: 18px 18px 16px;
      box-shadow: var(--shadow);
    }
    .stars { color: var(--c-metal); letter-spacing: 2px; font-size: 13px; margin-bottom: 8px; }
    .quote p { font-size: 15px; }
    .quote footer { margin-top: 12px; color: var(--c-muted); font-size: 13px; }
    .news-layout {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
    }
    .news-feature {
      position: relative; overflow: hidden; border-radius: var(--radius-m);
      min-height: 360px;
      display: flex; align-items: flex-end;
    }
    .news-feature img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .news-feature .shade {
      position: relative; z-index: 1; width: 100%;
      padding: 24px 20px;
      background: linear-gradient(180deg, transparent, rgba(18,26,24,.9));
      color: #fff;
    }
    .news-feature time, .news-list time { font-size: 12px; color: var(--c-metal); font-variant-numeric: tabular-nums; }
    .news-feature h3 { color: #fff; margin: 6px 0 8px; }
    .news-list { display: grid; gap: 12px; }
    .news-card {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      padding: 16px 16px 14px;
      box-shadow: var(--shadow);
    }
    .news-card h3 { font-size: 17px; margin: 6px 0 8px; }
    .news-card p { color: var(--c-muted); font-size: 14px; }
    .more-link { display: inline-flex; margin-top: 16px; font-weight: 650; }
    .partner-row {
      display: flex; flex-wrap: wrap; gap: 10px;
    }
    .partner-row span {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 52px; padding: 8px 16px;
      border: 1px dashed var(--c-line);
      background: var(--c-card);
      border-radius: var(--radius-s);
      color: var(--c-muted);
      font-size: 14px;
    }
    .faq-list { display: grid; gap: 10px; }
    .faq-item {
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      background: var(--c-card);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .faq-item button.faq-q {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 56px;
      padding: 14px 18px;
      border: 0;
      background: transparent;
      color: var(--c-ink);
      font-size: 16px;
      font-weight: 650;
      text-align: left;
    }
    .faq-item button.faq-q:hover { color: var(--c-primary); }
    .faq-plus {
      width: 22px; height: 22px; flex: 0 0 22px;
      position: relative;
      transition: transform .2s ease;
    }
    .faq-plus::before, .faq-plus::after {
      content: "";
      position: absolute; left: 50%; top: 50%;
      background: var(--c-primary);
      transform: translate(-50%, -50%);
    }
    .faq-plus::before { width: 14px; height: 1.5px; }
    .faq-plus::after { width: 1.5px; height: 14px; }
    .faq-item.is-open .faq-plus { transform: rotate(45deg); }
    .faq-a {
      display: none;
      padding: 0 18px 16px;
      background: var(--c-bg-alt);
      color: var(--c-muted);
      font-size: 15px;
      line-height: 1.8;
    }
    .faq-item.is-open .faq-a { display: block; padding-top: 4px; }
    .faq-a ul { margin: 8px 0 0; display: grid; gap: 4px; }
    .faq-a li { padding-left: 14px; position: relative; }
    .faq-a li::before {
      content: "";
      position: absolute; left: 0; top: 11px;
      width: 6px; height: 1px; background: var(--c-primary);
    }
    .trust-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .trust {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      padding: 18px 16px;
      display: grid;
      grid-template-columns: 36px 1fr;
      gap: 12px;
      align-items: start;
      box-shadow: var(--shadow);
    }
    .trust svg { color: var(--c-primary); }
    .trust h3 { font-size: 16px; margin-bottom: 6px; }
    .trust p { color: var(--c-muted); font-size: 13px; line-height: 1.65; }
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: start;
    }
    .form-card, .contact-side {
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-m);
      padding: 24px 22px;
      box-shadow: var(--shadow);
    }
    .form-grid { display: grid; gap: 14px; }
    .form-grid label { display: grid; gap: 6px; font-size: 13px; font-weight: 650; color: var(--c-ink); }
    .form-grid input, .form-grid select, .form-grid textarea {
      width: 100%;
      min-height: 44px;
      border: 1px solid var(--c-line);
      background: #F7F4EC;
      border-radius: var(--radius-s);
      padding: 10px 12px;
      color: var(--c-ink);
      font-size: 15px;
    }
    .form-grid textarea { min-height: 96px; resize: vertical; }
    .form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus {
      outline: 2px solid var(--c-primary);
      outline-offset: 1px;
      border-color: var(--c-primary);
      background: #fff;
    }
    .form-grid .error {
      border-color: var(--c-danger);
      background: #F8EEEE;
    }
    .form-note, .form-msg { font-size: 13px; color: var(--c-muted); }
    .form-msg.is-ok { color: var(--c-primary); }
    .form-msg.is-err { color: var(--c-danger); }
    .contact-list { display: grid; gap: 10px; margin: 16px 0 18px; }
    .contact-list li { color: var(--c-muted); font-size: 14px; }
    .contact-list a { color: var(--c-ink); font-weight: 650; }
    .map-box {
      position: relative;
      height: 180px;
      border-radius: var(--radius-m);
      overflow: hidden;
      border: 1px solid var(--c-line);
      background:
        linear-gradient(90deg, rgba(31,107,74,.08) 1px, transparent 1px) 0 0 / 24px 24px,
        linear-gradient(rgba(31,107,74,.08) 1px, transparent 1px) 0 0 / 24px 24px,
        #E3EBE4;
    }
    .map-box::after {
      content: "";
      position: absolute; left: 46%; top: 38%;
      width: 16px; height: 16px;
      border-radius: 50% 50% 50% 0;
      background: var(--c-primary);
      transform: rotate(-45deg);
      box-shadow: 0 0 0 8px rgba(31,107,74,.18);
    }
    .map-label {
      position: absolute; left: 12px; bottom: 12px;
      background: rgba(255,253,248,.94);
      border-radius: 4px;
      padding: 6px 8px;
      font-size: 12px; color: var(--c-ink);
    }
    footer.site-footer {
      background: var(--c-dark);
      color: #C5D4CC;
      padding: 48px 0 22px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .9fr 1.1fr .9fr;
      gap: 28px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .footer-brand .brand-name { color: #fff; }
    .footer-brand p { margin-top: 12px; font-size: 14px; line-height: 1.75; color: #A9B8B2; }
    .site-footer h3 { color: #fff; font-size: 15px; margin-bottom: 12px; }
    .site-footer a { color: #C5D4CC; }
    .site-footer a:hover { color: #fff; }
    .footer-links { display: grid; gap: 8px; }
    .footer-links a { font-size: 14px; }
    .footer-contact { display: grid; gap: 8px; font-size: 14px; }
    .footer-bottom {
      display: flex; flex-wrap: wrap; gap: 8px 18px;
      justify-content: space-between;
      padding-top: 18px;
      font-size: 13px; color: #8E9C96;
    }
    .icon-line { width: 28px; height: 28px; }
    @media (max-width: 1280px) {
      h1, .slide-title { font-size: 34px; }
      .hero-copy { padding-top: 56px; }
    }
    @media (max-width: 1024px) {
      :root { --space-section: 72px; }
      .nav-links, .nav-cta { display: none; }
      .menu-toggle { display: inline-flex; }
      .drawer.is-open { display: block; }
      .split, .battery-wrap, .dark-grid, .news-layout, .contact-grid, .scene-panel.is-on {
        grid-template-columns: 1fr;
      }
      .matrix { grid-template-columns: 1fr 1fr; }
      .matrix-lead { grid-row: auto; }
      .adv-grid, .story-row, .stat-row { grid-template-columns: 1fr 1fr; }
      .kpi-row, .trust-row { grid-template-columns: 1fr 1fr; }
      .steps { grid-template-columns: 1fr 1fr; gap: 18px 8px; }
      .steps::before { display: none; }
      .car-grid {
        display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
        gap: 12px; padding-bottom: 6px;
      }
      .car-card { min-width: min(82%, 420px); scroll-snap-align: start; }
      .quote-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .hero-burst { width: 78px; height: 78px; font-size: 12px; right: 16px; top: 16px; }
    }
    @media (max-width: 768px) {
      :root { --space-section: 56px; }
      .container, .topbar-inner, .nav-inner, .hero-copy, .hero-ctrl { width: min(100% - 28px, var(--container)); }
      h1, .slide-title { font-size: 30px; }
      h2 { font-size: 24px; }
      .topbar-right { display: none; }
      .hero { min-height: 620px; }
      .hero-track, .hero-copy { min-height: 620px; }
      .hero-copy { align-items: flex-end; padding: 88px 0 86px; }
      .hero-panel { max-width: none; }
      .matrix, .adv-grid, .story-row, .case-wall, .stat-row, .kpi-row, .trust-row, .footer-grid {
        grid-template-columns: 1fr;
      }
      .params { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
      .step { padding-left: 0; display: grid; grid-template-columns: 54px 1fr; gap: 12px; }
      .step-index { margin-bottom: 0; }
      .kpi-row, .adv-grid, .trust-row {
        display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 10px;
        background: transparent; border: 0;
      }
      .kpi, .adv-card, .trust {
        min-width: 78%; scroll-snap-align: start; border: 1px solid var(--c-line);
      }
      .hero-burst { position: relative; right: auto; top: auto; margin: 0 0 12px; transform: none; }
      .stat b { font-size: 34px; }
    }
    @media (max-width: 520px) {
      h1, .slide-title { font-size: 26px; }
      .brand-sub { display: none; }
      .hero-actions .btn { width: 100%; }
      .car-card { min-width: 88%; }
      .news-feature { min-height: 280px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }