/* ============================================================
       CSS NAMESPACE: sg-v2-
       完全獨立命名空間，避免與外部樣式衝突
    ============================================================ */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --sg-v2-steel:      #1c2e42;
      --sg-v2-steel-lt:   #253d56;
      --sg-v2-azure:      #1f6fa3;
      --sg-v2-azure-lt:   #2a8fc8;
      --sg-v2-sky:        #e8f4fb;
      --sg-v2-amber:      #d4862a;
      --sg-v2-amber-lt:   #f0a845;
      --sg-v2-smoke:      #f4f7fa;
      --sg-v2-white:      #ffffff;
      --sg-v2-text:       #1a2a38;
      --sg-v2-muted:      #6b8499;
      --sg-v2-border:     rgba(31,111,163,.13);
      --sg-v2-font-serif: 'Noto Serif TC', serif;
      --sg-v2-font-sans:  'Noto Sans TC', sans-serif;
      --sg-v2-r:          10px;
      --sg-v2-r-lg:       16px;
      --sg-v2-sh-sm:      0 2px 14px rgba(28,46,66,.08);
      --sg-v2-sh:         0 6px 30px rgba(28,46,66,.13);
      --sg-v2-sh-lg:      0 14px 56px rgba(28,46,66,.20);
      --sg-v2-t:          .28s ease;
    }

    html { scroll-behavior: smooth; }

    body.sg-v2-body {
      font-family: var(--sg-v2-font-sans);
      color: var(--sg-v2-text);
      background: var(--sg-v2-smoke);
      line-height: 1.78; font-size: 16px;
    }
    body.sg-v2-body::-webkit-scrollbar { width: 5px; }
    body.sg-v2-body::-webkit-scrollbar-track { background: var(--sg-v2-sky); }
    body.sg-v2-body::-webkit-scrollbar-thumb { background: var(--sg-v2-azure); border-radius: 4px; }

    /* ── TOPBAR ── */
    .sg-v2-topbar {
      position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
      background: var(--sg-v2-steel);
      display: flex; align-items: center; justify-content: space-between;
      padding: .58rem 5%;
      box-shadow: 0 2px 20px rgba(0,0,0,.28);
    }
    .sg-v2-topbar-brand {
      display: flex; align-items: center; gap: .6rem;
      font-family: var(--sg-v2-font-serif);
      color: var(--sg-v2-amber-lt); font-size: 1.1rem; font-weight: 700;
      letter-spacing: .06em; text-decoration: none;
    }
    .sg-v2-topbar-brand-dot {
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--sg-v2-azure-lt);
    }
    .sg-v2-topbar-links {
      display: flex; align-items: center; gap: 1.1rem;
    }
    .sg-v2-topbar-links a {
      color: rgba(244,247,250,.65); font-size: .84rem; text-decoration: none;
      transition: color var(--sg-v2-t);
    }
    .sg-v2-topbar-links a:hover { color: var(--sg-v2-amber-lt); }
    .sg-v2-topbar-cta {
      background: linear-gradient(90deg, var(--sg-v2-azure), var(--sg-v2-azure-lt));
      color: var(--sg-v2-white) !important;
      padding: .32rem .9rem; border-radius: 20px;
      font-weight: 700 !important; font-size: .84rem !important;
      transition: opacity var(--sg-v2-t) !important;
    }
    .sg-v2-topbar-cta:hover { opacity: .88 !important; }

    /* ── HERO ── */
    .sg-v2-hero {
      position: relative; min-height: 100vh;
      display: flex; align-items: center;
      padding: 100px 5% 80px;
      overflow: hidden;
    }
    .sg-v2-hero-bg {
      position: absolute; inset: 0; z-index: 0;
      background:
        linear-gradient(150deg, rgba(28,46,66,.90) 0%, rgba(31,111,163,.72) 60%, rgba(28,46,66,.88) 100%),
        url('https://images.unsplash.com/photo-1486325212027-8081e485255e?w=1800&q=80') center/cover no-repeat;
    }
    /* animated diagonal lines overlay */
    .sg-v2-hero-bg::after {
      content: '';
      position: absolute; inset: 0;
      background: repeating-linear-gradient(
        -55deg,
        transparent,
        transparent 60px,
        rgba(255,255,255,.025) 60px,
        rgba(255,255,255,.025) 62px
      );
    }
    .sg-v2-hero-inner { position: relative; z-index: 2; max-width: 760px; }

    .sg-v2-hero-tag {
      display: inline-flex; align-items: center; gap: .55rem;
      border: 1px solid rgba(244,247,250,.28);
      border-radius: 24px; padding: .3rem 1rem;
      font-size: .73rem; font-weight: 700;
      letter-spacing: .13em; text-transform: uppercase;
      color: rgba(244,247,250,.80);
      margin-bottom: 1.6rem;
      backdrop-filter: blur(4px);
      background: rgba(255,255,255,.06);
    }
    .sg-v2-hero-tag-ico {
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--sg-v2-amber-lt);
      animation: sg-v2-blink 2s infinite;
    }
    @keyframes sg-v2-blink {
      0%,100% { opacity:1; } 50% { opacity:.25; }
    }

    /* H1 */
    .sg-v2-hero h1 {
      font-family: var(--sg-v2-font-serif);
      font-size: clamp(2rem, 5vw, 3.5rem);
      font-weight: 700; color: var(--sg-v2-white);
      line-height: 1.25; margin-bottom: 1.4rem;
      letter-spacing: .02em;
    }
    .sg-v2-hero h1 .sg-v2-accent {
      color: var(--sg-v2-amber-lt);
      border-bottom: 3px solid var(--sg-v2-amber-lt);
      padding-bottom: 3px;
    }
    .sg-v2-hero h1 .sg-v2-accent2 { color: var(--sg-v2-azure-lt); }

    .sg-v2-hero-desc {
      color: rgba(244,247,250,.80); font-size: 1.02rem;
      max-width: 580px; margin-bottom: 2.2rem; line-height: 1.88;
    }

    .sg-v2-hero-cta-row { display: flex; gap: .9rem; flex-wrap: wrap; margin-bottom: 2.8rem; }

    .sg-v2-btn-primary {
      display: inline-flex; align-items: center; gap: .45rem;
      background: var(--sg-v2-amber);
      color: var(--sg-v2-white);
      font-weight: 700; font-size: .98rem;
      padding: .82rem 1.9rem; border-radius: var(--sg-v2-r);
      text-decoration: none;
      box-shadow: 0 4px 20px rgba(212,134,42,.40);
      transition: transform var(--sg-v2-t), box-shadow var(--sg-v2-t), background var(--sg-v2-t);
    }
    .sg-v2-btn-primary:hover { background: var(--sg-v2-amber-lt); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(212,134,42,.50); }

    .sg-v2-btn-line {
      display: inline-flex; align-items: center; gap: .45rem;
      border: 2px solid rgba(244,247,250,.50);
      color: rgba(244,247,250,.90);
      font-weight: 600; font-size: .95rem;
      padding: .78rem 1.6rem; border-radius: var(--sg-v2-r);
      text-decoration: none;
      transition: background var(--sg-v2-t), border-color var(--sg-v2-t);
    }
    .sg-v2-btn-line:hover { background: rgba(255,255,255,.10); border-color: rgba(244,247,250,.80); }

    .sg-v2-hero-badges {
      display: flex; flex-wrap: wrap; gap: 1.2rem;
    }
    .sg-v2-hero-badge-item {
      display: flex; align-items: center; gap: .45rem;
      color: rgba(244,247,250,.70); font-size: .83rem;
    }
    .sg-v2-hero-badge-item span:first-child { font-size: 1rem; }

    /* scroll cue */
    .sg-v2-scroll-cue {
      position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
      z-index: 2;
      display: flex; flex-direction: column; align-items: center; gap: .3rem;
      color: rgba(244,247,250,.45); font-size: .72rem; letter-spacing: .1em;
      text-transform: uppercase;
      animation: sg-v2-scrollBob 2.4s ease-in-out infinite;
    }
    @keyframes sg-v2-scrollBob {
      0%,100% { transform: translateX(-50%) translateY(0); }
      50% { transform: translateX(-50%) translateY(6px); }
    }
    .sg-v2-scroll-cue::before {
      content: ''; display: block;
      width: 1px; height: 32px;
      background: linear-gradient(to bottom, transparent, rgba(244,247,250,.45));
    }

    /* ── METRICS BAND ── */
    .sg-v2-metrics {
      background: var(--sg-v2-white);
      border-bottom: 1px solid var(--sg-v2-border);
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px,1fr));
    }
    .sg-v2-metric {
      padding: 1.8rem 1rem; text-align: center;
      border-right: 1px solid var(--sg-v2-border);
    }
    .sg-v2-metric:last-child { border-right: none; }
    .sg-v2-metric-num {
      font-family: var(--sg-v2-font-serif);
      font-size: 2rem; font-weight: 700;
      background: linear-gradient(135deg, var(--sg-v2-azure), var(--sg-v2-azure-lt));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .sg-v2-metric-lbl { color: var(--sg-v2-muted); font-size: .8rem; margin-top: .25rem; }

    /* ── 共用 layout helpers ── */
    .sg-v2-wrap { max-width: 1200px; margin: 0 auto; padding: 88px 5%; }
    .sg-v2-bg-white { background: var(--sg-v2-white); }
    .sg-v2-bg-smoke { background: var(--sg-v2-smoke); }
    .sg-v2-bg-sky   { background: var(--sg-v2-sky); }
    .sg-v2-bg-steel { background: var(--sg-v2-steel); }
    .sg-v2-bg-azure { background: linear-gradient(140deg, var(--sg-v2-steel) 0%, var(--sg-v2-azure) 100%); }

    .sg-v2-eyebrow {
      display: inline-block;
      font-size: .70rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase;
      color: var(--sg-v2-azure);
      padding-left: .7rem; border-left: 3px solid var(--sg-v2-amber);
      margin-bottom: .9rem;
    }
    .sg-v2-eyebrow.lt { color: rgba(244,247,250,.60); border-color: var(--sg-v2-amber-lt); }

    .sg-v2-h2 {
      font-family: var(--sg-v2-font-serif);
      font-size: clamp(1.5rem, 2.8vw, 2.2rem);
      font-weight: 700; color: var(--sg-v2-steel);
      line-height: 1.33; margin-bottom: .65rem;
    }
    .sg-v2-h2.lt { color: var(--sg-v2-white); }
    .sg-v2-lead { font-size: .96rem; color: var(--sg-v2-muted); margin-bottom: 3rem; max-width: 560px; }
    .sg-v2-lead.lt { color: rgba(244,247,250,.60); }

    /* ── 外牆清潔核心介紹 ── */
    .sg-v2-wall-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 4.5rem; align-items: center;
    }
    .sg-v2-wall-visual { position: relative; }
    .sg-v2-wall-img-frame {
      position: relative; border-radius: var(--sg-v2-r-lg);
      overflow: hidden; box-shadow: var(--sg-v2-sh-lg);
    }
    .sg-v2-wall-img-frame img {
      width: 100%; display: block; aspect-ratio: 3/4; object-fit: cover;
      transition: transform .55s ease;
    }
    .sg-v2-wall-img-frame:hover img { transform: scale(1.04); }
    /* before/after overlay strip */
    .sg-v2-wall-ba-strip {
      position: absolute; bottom: 0; left: 0; right: 0;
      background: linear-gradient(to top, rgba(28,46,66,.88) 0%, transparent 100%);
      padding: 1.8rem 1.5rem 1.2rem;
    }
    .sg-v2-wall-ba-label {
      color: rgba(244,247,250,.80); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: .3rem;
    }
    .sg-v2-wall-ba-title {
      font-family: var(--sg-v2-font-serif);
      color: var(--sg-v2-white); font-size: 1.05rem; font-weight: 700;
    }
    /* floating badge */
    .sg-v2-wall-badge {
      position: absolute; top: -16px; right: -16px;
      width: 96px; height: 96px; border-radius: 50%;
      background: var(--sg-v2-amber);
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      box-shadow: 0 6px 22px rgba(212,134,42,.40);
      font-family: var(--sg-v2-font-serif);
      color: var(--sg-v2-white);
    }
    .sg-v2-wall-badge strong { font-size: 1.4rem; line-height: 1; }
    .sg-v2-wall-badge span { font-size: .68rem; opacity: .9; margin-top: .12rem; }

    .sg-v2-wall-content h2 {
      font-family: var(--sg-v2-font-serif);
      font-size: clamp(1.4rem, 2.5vw, 2rem);
      font-weight: 700; color: var(--sg-v2-steel);
      line-height: 1.33; margin-bottom: 1rem;
    }
    .sg-v2-wall-content p {
      font-size: .96rem; color: var(--sg-v2-text);
      margin-bottom: .9rem; line-height: 1.85;
    }

    /* 方法比較表 */
    .sg-v2-method-table {
      width: 100%; border-collapse: collapse;
      margin: 1.6rem 0 2rem; font-size: .88rem;
    }
    .sg-v2-method-table th {
      background: var(--sg-v2-steel); color: var(--sg-v2-white);
      padding: .65rem .9rem; text-align: left;
      font-family: var(--sg-v2-font-serif); font-size: .9rem;
    }
    .sg-v2-method-table th:first-child { border-radius: var(--sg-v2-r) 0 0 0; }
    .sg-v2-method-table th:last-child  { border-radius: 0 var(--sg-v2-r) 0 0; }
    .sg-v2-method-table td {
      padding: .6rem .9rem; border-bottom: 1px solid var(--sg-v2-border);
      color: var(--sg-v2-text); vertical-align: middle;
    }
    .sg-v2-method-table tr:last-child td { border-bottom: none; }
    .sg-v2-method-table tr:nth-child(even) td { background: var(--sg-v2-sky); }
    .sg-v2-pill-green {
      display: inline-block; padding: .15rem .5rem; border-radius: 10px;
      background: #e6f7ee; color: #1e6e3d; font-size: .76rem; font-weight: 700;
    }
    .sg-v2-pill-yellow {
      display: inline-block; padding: .15rem .5rem; border-radius: 10px;
      background: #fff8e0; color: #8a6200; font-size: .76rem; font-weight: 700;
    }

    /* ── 污漬類型卡 ── */
    .sg-v2-stain-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
      gap: 1.2rem;
    }
    .sg-v2-stain-card {
      background: var(--sg-v2-white);
      border-radius: var(--sg-v2-r);
      padding: 1.6rem 1.3rem;
      box-shadow: var(--sg-v2-sh-sm);
      border-left: 4px solid var(--sg-v2-azure);
      transition: transform var(--sg-v2-t), box-shadow var(--sg-v2-t);
      position: relative;
    }
    .sg-v2-stain-card:nth-child(2n) { border-left-color: var(--sg-v2-amber); }
    .sg-v2-stain-card:nth-child(3n) { border-left-color: #2e9e6e; }
    .sg-v2-stain-card:hover { transform: translateY(-4px); box-shadow: var(--sg-v2-sh); }
    .sg-v2-stain-ico { font-size: 1.8rem; margin-bottom: .6rem; display: block; }
    .sg-v2-stain-card h3 {
      font-family: var(--sg-v2-font-serif);
      font-size: .98rem; font-weight: 700;
      color: var(--sg-v2-steel); margin-bottom: .4rem;
    }
    .sg-v2-stain-card p { font-size: .84rem; color: var(--sg-v2-muted); line-height: 1.65; }

    /* ── 服務項目手風琴 ── */
    .sg-v2-services-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
      gap: 1.3rem;
    }
    .sg-v2-svc-card {
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(244,247,250,.10);
      border-radius: var(--sg-v2-r);
      padding: 1.7rem 1.4rem;
      transition: background var(--sg-v2-t), transform var(--sg-v2-t);
    }
    .sg-v2-svc-card:hover { background: rgba(255,255,255,.12); transform: translateY(-3px); }
    .sg-v2-svc-icon { font-size: 1.9rem; margin-bottom: .7rem; display: block; }
    .sg-v2-svc-card h3 {
      font-family: var(--sg-v2-font-serif);
      font-size: 1rem; font-weight: 700;
      color: var(--sg-v2-white); margin-bottom: .45rem;
    }
    .sg-v2-svc-card p { font-size: .85rem; color: rgba(244,247,250,.60); line-height: 1.65; }

    /* ── 施工流程 horizontal steps ── */
    .sg-v2-steps-row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px,1fr));
      gap: 0; position: relative;
    }
    .sg-v2-steps-row::before {
      content: '';
      position: absolute; top: 32px; left: 8%; right: 8%; height: 2px;
      background: linear-gradient(to right, var(--sg-v2-azure), var(--sg-v2-amber));
      z-index: 0;
    }
    .sg-v2-step-item {
      text-align: center; padding: 0 .8rem 0;
      position: relative; z-index: 1;
    }
    .sg-v2-step-num {
      width: 64px; height: 64px; border-radius: 50%;
      background: var(--sg-v2-white);
      border: 3px solid var(--sg-v2-azure);
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 1rem;
      font-family: var(--sg-v2-font-serif);
      font-size: 1.3rem; font-weight: 700;
      color: var(--sg-v2-azure);
      box-shadow: 0 4px 14px rgba(31,111,163,.22);
    }
    .sg-v2-step-item h4 {
      font-family: var(--sg-v2-font-serif);
      font-size: .95rem; font-weight: 700;
      color: var(--sg-v2-steel); margin-bottom: .35rem;
    }
    .sg-v2-step-item p { font-size: .82rem; color: var(--sg-v2-muted); line-height: 1.65; }

    /* ── Why Us 分欄 ── */
    .sg-v2-why-split {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 1.2rem;
    }
    .sg-v2-why-box {
      background: var(--sg-v2-white);
      border-radius: var(--sg-v2-r);
      padding: 1.5rem;
      display: flex; gap: 1rem; align-items: flex-start;
      box-shadow: var(--sg-v2-sh-sm);
      transition: box-shadow var(--sg-v2-t), transform var(--sg-v2-t);
    }
    .sg-v2-why-box:hover { box-shadow: var(--sg-v2-sh); transform: translateY(-3px); }
    .sg-v2-why-ico {
      flex-shrink: 0;
      width: 52px; height: 52px; border-radius: 12px;
      background: var(--sg-v2-sky);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.45rem;
    }
    .sg-v2-why-box h3 {
      font-family: var(--sg-v2-font-serif);
      font-size: .97rem; font-weight: 700;
      color: var(--sg-v2-steel); margin-bottom: .3rem;
    }
    .sg-v2-why-box p { font-size: .84rem; color: var(--sg-v2-muted); line-height: 1.65; }

    /* ── 地區 ── */
    .sg-v2-geo-split {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 3.5rem; align-items: start;
    }
    .sg-v2-geo-text p { font-size: .96rem; color: var(--sg-v2-muted); margin-bottom: 1rem; line-height: 1.85; }
    .sg-v2-area-chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
    .sg-v2-area-chip {
      background: var(--sg-v2-white);
      border: 1.5px solid var(--sg-v2-azure);
      color: var(--sg-v2-azure);
      font-size: .83rem; font-weight: 600;
      padding: .3rem .78rem; border-radius: 20px; letter-spacing: .03em;
      transition: background var(--sg-v2-t), color var(--sg-v2-t);
    }
    .sg-v2-area-chip:hover { background: var(--sg-v2-azure); color: var(--sg-v2-white); }
    .sg-v2-contact-card {
      background: var(--sg-v2-white); border-radius: var(--sg-v2-r);
      padding: 2rem; box-shadow: var(--sg-v2-sh);
    }
    .sg-v2-contact-card h3 {
      font-family: var(--sg-v2-font-serif);
      font-size: 1.05rem; font-weight: 700; color: var(--sg-v2-steel);
      padding-bottom: .8rem; margin-bottom: 1.2rem;
      border-bottom: 1px solid var(--sg-v2-border);
    }
    .sg-v2-contact-row {
      display: flex; align-items: flex-start; gap: .7rem;
      margin-bottom: .9rem; font-size: .9rem;
    }
    .sg-v2-contact-ico { flex-shrink: 0; font-size: 1.05rem; margin-top: .08em; }
    .sg-v2-contact-txt { color: var(--sg-v2-text); line-height: 1.65; }
    .sg-v2-contact-txt a { color: var(--sg-v2-azure); text-decoration: none; font-weight: 600; }
    .sg-v2-contact-txt a:hover { text-decoration: underline; }
    .sg-v2-contact-note {
      margin-top: 1rem; padding: .9rem 1rem;
      background: var(--sg-v2-sky); border-radius: var(--sg-v2-r);
      font-size: .83rem; color: var(--sg-v2-azure); line-height: 1.65;
    }

    /* ── FAQ ── */
    .sg-v2-faq-wrap { max-width: 780px; }
    .sg-v2-faq-item { border-bottom: 1px solid var(--sg-v2-border); }
    .sg-v2-faq-q {
      padding: 1.1rem 0;
      font-family: var(--sg-v2-font-serif);
      font-size: 1rem; font-weight: 700; color: var(--sg-v2-steel);
      cursor: pointer; display: flex; align-items: flex-start;
      justify-content: space-between; gap: 1rem; user-select: none;
    }
    .sg-v2-faq-q::after {
      content: '+'; color: var(--sg-v2-azure);
      font-size: 1.45rem; line-height: 1; flex-shrink: 0;
      transition: transform var(--sg-v2-t);
    }
    .sg-v2-faq-item.open .sg-v2-faq-q::after { transform: rotate(45deg); }
    .sg-v2-faq-a {
      display: none; padding-bottom: 1.1rem;
      font-size: .92rem; color: var(--sg-v2-muted); line-height: 1.82;
    }
    .sg-v2-faq-item.open .sg-v2-faq-a { display: block; animation: sg-v2-fadeIn .3s ease; }
    @keyframes sg-v2-fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }

    /* ── CTA SECTION ── */
    .sg-v2-cta-section {
      background:
        linear-gradient(140deg, rgba(28,46,66,.97) 0%, rgba(31,111,163,.92) 100%),
        url('https://images.unsplash.com/photo-1486325212027-8081e485255e?w=1400&q=60') center/cover no-repeat;
      padding: 6rem 5%;
      text-align: center;
    }
    .sg-v2-cta-section h2 {
      font-family: var(--sg-v2-font-serif);
      font-size: clamp(1.6rem, 3vw, 2.5rem);
      color: var(--sg-v2-white); font-weight: 700;
      margin-bottom: .9rem;
    }
    .sg-v2-cta-section p { color: rgba(244,247,250,.72); margin-bottom: 2.8rem; font-size: .98rem; }
    .sg-v2-cta-cards { display: flex; justify-content: center; gap: 1.4rem; flex-wrap: wrap; }
    .sg-v2-cta-card {
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.18);
      backdrop-filter: blur(8px);
      border-radius: var(--sg-v2-r); padding: 1.5rem 2.2rem;
      text-decoration: none; text-align: left; min-width: 220px;
      transition: background var(--sg-v2-t), transform var(--sg-v2-t);
    }
    .sg-v2-cta-card:hover { background: rgba(255,255,255,.15); transform: translateY(-3px); }
    .sg-v2-cta-card-lbl { font-size: .75rem; letter-spacing: .1em; color: rgba(244,247,250,.55); margin-bottom: .25rem; }
    .sg-v2-cta-card-num { font-size: 1.3rem; font-weight: 700; color: var(--sg-v2-amber-lt); letter-spacing: .02em; }
    .sg-v2-cta-card-sub { font-size: .8rem; color: rgba(244,247,250,.60); margin-top: .2rem; }

    /* ── FOOTER ── */
    .sg-v2-footer { background: var(--sg-v2-steel); padding: 3rem 5% 1.5rem; }
    .sg-v2-footer-grid {
      display: grid; grid-template-columns: 2fr 1fr 1fr;
      gap: 2.5rem; padding-bottom: 2rem;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .sg-v2-footer-brand {
      font-family: var(--sg-v2-font-serif);
      color: var(--sg-v2-amber-lt); font-size: 1.2rem; font-weight: 700; margin-bottom: .7rem;
    }
    .sg-v2-footer-desc { color: rgba(244,247,250,.40); font-size: .84rem; line-height: 1.78; }
    .sg-v2-footer-col h4 {
      color: var(--sg-v2-smoke); font-size: .86rem; font-weight: 700;
      letter-spacing: .06em; margin-bottom: 1rem;
    }
    .sg-v2-footer-col ul { list-style: none; }
    .sg-v2-footer-col ul li { margin-bottom: .4rem; }
    .sg-v2-footer-col ul li a {
      color: rgba(244,247,250,.42); font-size: .84rem; text-decoration: none;
      transition: color var(--sg-v2-t);
    }
    .sg-v2-footer-col ul li a:hover { color: var(--sg-v2-amber-lt); }
    .sg-v2-footer-info-list { list-style: none; }
    .sg-v2-footer-info-list li {
      color: rgba(244,247,250,.45); font-size: .84rem;
      display: flex; gap: .5rem; margin-bottom: .5rem; line-height: 1.6;
    }
    .sg-v2-footer-info-list li a { color: rgba(244,247,250,.55); text-decoration: none; }
    .sg-v2-footer-info-list li a:hover { color: var(--sg-v2-amber-lt); }
    .sg-v2-footer-bottom {
      padding-top: 1.2rem; display: flex;
      justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem;
    }
    .sg-v2-footer-copy, .sg-v2-footer-kw { color: rgba(244,247,250,.28); font-size: .76rem; }

    /* ── RESPONSIVE ── */
    @media (max-width: 960px) {
      .sg-v2-wall-grid, .sg-v2-geo-split { grid-template-columns: 1fr; gap: 2.5rem; }
      .sg-v2-wall-visual { order: -1; }
      .sg-v2-why-split { grid-template-columns: 1fr; }
      .sg-v2-footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 680px) {
      .sg-v2-steps-row::before { display: none; }
      .sg-v2-steps-row { gap: 1.5rem; }
      .sg-v2-footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 600px) {
      .sg-v2-topbar-links { display: none; }
      .sg-v2-hero { padding: 90px 5% 70px; min-height: auto; }
      .sg-v2-hero-cta-row { flex-direction: column; }
      .sg-v2-btn-primary, .sg-v2-btn-line { width: 100%; justify-content: center; }
      .sg-v2-wall-badge { width: 76px; height: 76px; top: -10px; right: -8px; }
      .sg-v2-wall-badge strong { font-size: 1.1rem; }
    }