/* ============================================================
       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-espresso:   #1a0f00;
      --sg-v2-brown:      #3d2200;
      --sg-v2-oak:        #7a4e28;
      --sg-v2-oak-lt:     #a86e3c;
      --sg-v2-gold:       #c8972a;
      --sg-v2-gold-lt:    #e8b84a;
      --sg-v2-champagne:  #f9f2e6;
      --sg-v2-champagne2: #f0e6d0;
      --sg-v2-linen:      #faf6f0;
      --sg-v2-marble:     #f5f3f0;
      --sg-v2-white:      #ffffff;
      --sg-v2-text:       #1a0f00;
      --sg-v2-muted:      #7a6a52;
      --sg-v2-border:     rgba(122,78,40,.12);
      --sg-v2-font-disp:  'Cormorant Garamond', '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-xs:      0 2px 12px rgba(26,15,0,.07);
      --sg-v2-sh:         0 6px 32px rgba(26,15,0,.11);
      --sg-v2-sh-lg:      0 14px 60px rgba(26,15,0,.16);
      --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-linen);
      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-champagne); }
    body.sg-v2-body::-webkit-scrollbar-thumb { background: var(--sg-v2-oak); border-radius: 4px; }

    /* ── TOPBAR ── */
    .sg-v2-topbar {
      position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
      background: var(--sg-v2-espresso);
      display: flex; align-items: center; justify-content: space-between;
      padding: .6rem 5%;
      box-shadow: 0 2px 20px rgba(0,0,0,.35);
    }
    .sg-v2-topbar-brand {
      display: flex; align-items: center; gap: .6rem; text-decoration: none;
    }
    .sg-v2-topbar-brand-icon {
      width: 30px; height: 30px; border-radius: 6px;
      background: linear-gradient(135deg, var(--sg-v2-gold), var(--sg-v2-gold-lt));
      display: flex; align-items: center; justify-content: center;
      font-size: .9rem;
    }
    .sg-v2-topbar-brand-txt {
      font-family: var(--sg-v2-font-disp);
      font-size: 1.15rem; font-weight: 700;
      color: var(--sg-v2-gold-lt); letter-spacing: .05em;
    }
    .sg-v2-topbar-nav {
      display: flex; align-items: center; gap: 1.1rem;
    }
    .sg-v2-topbar-nav a {
      color: rgba(249,242,230,.62); font-size: .84rem; text-decoration: none;
      transition: color var(--sg-v2-t);
    }
    .sg-v2-topbar-nav a:hover { color: var(--sg-v2-gold-lt); }
    .sg-v2-topbar-btn {
      background: var(--sg-v2-gold); color: var(--sg-v2-espresso) !important;
      padding: .32rem .9rem; border-radius: 20px;
      font-weight: 700 !important;
      transition: background var(--sg-v2-t) !important;
    }
    .sg-v2-topbar-btn:hover { background: var(--sg-v2-gold-lt) !important; }

    /* ── HERO – editorial magazine style ── */
    .sg-v2-hero {
      min-height: 100vh;
      display: grid; grid-template-columns: 1fr 1fr;
      padding-top: 56px;
      overflow: hidden; position: relative;
    }

    /* left: dark editorial text panel */
    .sg-v2-hero-left {
      background: var(--sg-v2-espresso);
      display: flex; flex-direction: column; justify-content: center;
      padding: 80px 6% 80px 7%;
      position: relative; overflow: hidden;
    }
    .sg-v2-hero-left::before {
      content: '';
      position: absolute; top: -60px; right: -60px;
      width: 220px; height: 220px; border-radius: 50%;
      background: radial-gradient(circle, rgba(200,151,42,.12) 0%, transparent 70%);
    }
    .sg-v2-hero-left::after {
      content: '';
      position: absolute; bottom: 60px; left: 30px;
      width: 120px; height: 120px; border-radius: 50%;
      background: radial-gradient(circle, rgba(200,151,42,.08) 0%, transparent 70%);
    }

    .sg-v2-hero-overline {
      display: flex; align-items: center; gap: .65rem;
      margin-bottom: 2rem; position: relative; z-index: 2;
    }
    .sg-v2-hero-overline-bar {
      width: 40px; height: 2px; background: var(--sg-v2-gold);
    }
    .sg-v2-hero-overline-txt {
      font-size: .7rem; font-weight: 700; letter-spacing: .18em;
      text-transform: uppercase; color: var(--sg-v2-gold);
    }

    /* H1 */
    .sg-v2-hero h1 {
      font-family: var(--sg-v2-font-disp);
      font-size: clamp(2.4rem, 5vw, 4.2rem);
      font-weight: 700; color: var(--sg-v2-white);
      line-height: 1.18; margin-bottom: 1.4rem;
      letter-spacing: .01em; position: relative; z-index: 2;
    }
    .sg-v2-hero h1 .sg-v2-gold-txt { color: var(--sg-v2-gold-lt); }
    .sg-v2-hero h1 .sg-v2-outline-txt {
      -webkit-text-stroke: 1.5px var(--sg-v2-gold);
      color: transparent;
    }

    .sg-v2-hero-desc {
      color: rgba(249,242,230,.72); font-size: .98rem;
      line-height: 1.88; margin-bottom: 2.2rem;
      max-width: 460px; position: relative; z-index: 2;
    }
    .sg-v2-hero-ctas {
      display: flex; gap: .85rem; flex-wrap: wrap;
      margin-bottom: 2.6rem; position: relative; z-index: 2;
    }

    .sg-v2-btn-gold {
      display: inline-flex; align-items: center; gap: .45rem;
      background: var(--sg-v2-gold); color: var(--sg-v2-espresso);
      font-weight: 700; font-size: .97rem;
      padding: .8rem 1.85rem; border-radius: var(--sg-v2-r);
      text-decoration: none;
      box-shadow: 0 4px 20px rgba(200,151,42,.45);
      transition: transform var(--sg-v2-t), box-shadow var(--sg-v2-t), background var(--sg-v2-t);
    }
    .sg-v2-btn-gold:hover { background: var(--sg-v2-gold-lt); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(200,151,42,.55); }

    .sg-v2-btn-ghost-gold {
      display: inline-flex; align-items: center; gap: .45rem;
      border: 2px solid rgba(200,151,42,.60); color: var(--sg-v2-gold-lt);
      font-weight: 600; font-size: .95rem;
      padding: .76rem 1.6rem; border-radius: var(--sg-v2-r);
      text-decoration: none;
      transition: background var(--sg-v2-t), border-color var(--sg-v2-t), color var(--sg-v2-t);
    }
    .sg-v2-btn-ghost-gold:hover { background: rgba(200,151,42,.15); border-color: var(--sg-v2-gold-lt); color: var(--sg-v2-white); }

    .sg-v2-hero-trust { display: flex; flex-wrap: wrap; gap: 1.2rem; position: relative; z-index: 2; }
    .sg-v2-trust-pill {
      display: flex; align-items: center; gap: .4rem;
      color: rgba(249,242,230,.65); font-size: .82rem;
    }
    .sg-v2-trust-dot {
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--sg-v2-gold); flex-shrink: 0;
    }

    /* right: stacked images with overlay */
    .sg-v2-hero-right {
      position: relative; overflow: hidden;
    }
    .sg-v2-hero-right img {
      width: 100%; height: 100%; object-fit: cover; display: block;
    }
    .sg-v2-hero-right-overlay {
      position: absolute; inset: 0;
      background:
        linear-gradient(to left, transparent 40%, var(--sg-v2-espresso) 100%),
        linear-gradient(to top, rgba(26,15,0,.55) 0%, transparent 40%);
    }
    /* floating material showcase card */
    .sg-v2-hero-material-card {
      position: absolute; bottom: 2rem; right: 1.5rem;
      background: rgba(26,15,0,.82);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(200,151,42,.25);
      border-radius: var(--sg-v2-r-lg);
      padding: 1.2rem 1.4rem;
      max-width: 200px;
    }
    .sg-v2-hero-material-card-title {
      font-family: var(--sg-v2-font-disp);
      font-size: .88rem; font-weight: 700;
      color: var(--sg-v2-gold-lt);
      margin-bottom: .7rem; letter-spacing: .04em;
    }
    .sg-v2-hero-mat-item {
      display: flex; align-items: center; gap: .5rem;
      font-size: .78rem; color: rgba(249,242,230,.72);
      margin-bottom: .35rem;
    }
    .sg-v2-hero-mat-dot {
      width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
    }

    /* ── STATS ── */
    .sg-v2-stats {
      background: var(--sg-v2-brown);
      display: grid; grid-template-columns: repeat(auto-fit, minmax(130px,1fr));
    }
    .sg-v2-stat {
      padding: 1.7rem 1rem; text-align: center;
      border-right: 1px solid rgba(255,255,255,.06);
    }
    .sg-v2-stat:last-child { border-right: none; }
    .sg-v2-stat-num {
      font-family: var(--sg-v2-font-disp);
      font-size: 2rem; font-weight: 700; color: var(--sg-v2-gold-lt);
    }
    .sg-v2-stat-lbl { color: rgba(249,242,230,.50); font-size: .8rem; margin-top: .22rem; }

    /* ── Section helpers ── */
    .sg-v2-sec { padding: 90px 5%; }
    .sg-v2-inner { max-width: 1200px; margin: 0 auto; }
    .sg-v2-bg-white      { background: var(--sg-v2-white); }
    .sg-v2-bg-linen      { background: var(--sg-v2-linen); }
    .sg-v2-bg-champagne  { background: var(--sg-v2-champagne); }
    .sg-v2-bg-champagne2 { background: var(--sg-v2-champagne2); }
    .sg-v2-bg-marble     { background: var(--sg-v2-marble); }
    .sg-v2-bg-dark       { background: var(--sg-v2-espresso); }
    .sg-v2-bg-dark2      { background: linear-gradient(140deg, var(--sg-v2-espresso) 0%, var(--sg-v2-brown) 100%); }

    .sg-v2-eyebrow {
      display: inline-block; font-size: .7rem; font-weight: 700;
      letter-spacing: .16em; text-transform: uppercase;
      color: var(--sg-v2-oak); border-left: 3px solid var(--sg-v2-gold);
      padding-left: .65rem; margin-bottom: .9rem;
    }
    .sg-v2-eyebrow.lt { color: rgba(249,242,230,.60); border-color: var(--sg-v2-gold-lt); }

    .sg-v2-h2 {
      font-family: var(--sg-v2-font-disp);
      font-size: clamp(1.8rem, 3vw, 2.6rem);
      font-weight: 700; color: var(--sg-v2-espresso);
      line-height: 1.28; margin-bottom: .65rem; letter-spacing: .01em;
    }
    .sg-v2-h2.lt { color: var(--sg-v2-white); }
    .sg-v2-sub { font-size: .96rem; color: var(--sg-v2-muted); margin-bottom: 3rem; max-width: 560px; line-height: 1.78; }
    .sg-v2-sub.lt { color: rgba(249,242,230,.60); }

    /* ── 地板材質分頁系統 ── */
    .sg-v2-material-tabs {
      display: flex; gap: 0; flex-wrap: wrap; margin-bottom: 2.5rem;
      border-bottom: 2px solid var(--sg-v2-border);
    }
    .sg-v2-mat-tab {
      padding: .7rem 1.4rem; cursor: pointer;
      font-size: .9rem; font-weight: 600; font-family: var(--sg-v2-font-disp);
      color: var(--sg-v2-muted); background: transparent; border: none;
      border-bottom: 3px solid transparent;
      margin-bottom: -2px; transition: all var(--sg-v2-t);
      letter-spacing: .03em;
    }
    .sg-v2-mat-tab.active, .sg-v2-mat-tab:hover {
      color: var(--sg-v2-espresso); border-bottom-color: var(--sg-v2-gold);
    }
    .sg-v2-mat-panel { display: none; }
    .sg-v2-mat-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; animation: sg-v2-fi .35s ease; }
    @keyframes sg-v2-fi { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }

    .sg-v2-mat-img { border-radius: var(--sg-v2-r-lg); overflow: hidden; box-shadow: var(--sg-v2-sh-lg); }
    .sg-v2-mat-img img { width: 100%; display: block; aspect-ratio: 4/3; object-fit: cover; transition: transform .5s ease; }
    .sg-v2-mat-img:hover img { transform: scale(1.04); }

    .sg-v2-mat-content h3 {
      font-family: var(--sg-v2-font-disp);
      font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 700;
      color: var(--sg-v2-espresso); margin-bottom: .9rem; line-height: 1.3;
    }
    .sg-v2-mat-content p { font-size: .95rem; color: var(--sg-v2-text); margin-bottom: .85rem; line-height: 1.85; }

    /* process steps inline */
    .sg-v2-mat-steps { list-style: none; margin: 1.3rem 0 2rem; counter-reset: mat-step; }
    .sg-v2-mat-steps li {
      display: flex; align-items: flex-start; gap: .6rem;
      font-size: .88rem; color: var(--sg-v2-text);
      margin-bottom: .55rem; counter-increment: mat-step;
      position: relative;
    }
    .sg-v2-mat-steps li::before {
      content: counter(mat-step);
      flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
      background: var(--sg-v2-gold); color: var(--sg-v2-espresso);
      font-weight: 700; font-size: .72rem;
      display: flex; align-items: center; justify-content: center;
      margin-top: .12em;
    }

    .sg-v2-mat-badge {
      display: inline-flex; align-items: center; gap: .4rem;
      background: var(--sg-v2-champagne2); border: 1.5px solid var(--sg-v2-gold);
      color: var(--sg-v2-oak); font-size: .8rem; font-weight: 700;
      padding: .3rem .75rem; border-radius: 20px; margin-bottom: 1.4rem;
    }

    /* ── 地材適用對照卡 ── */
    .sg-v2-material-cards {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
      gap: 1.2rem;
    }
    .sg-v2-mat-card {
      border-radius: var(--sg-v2-r); overflow: hidden;
      box-shadow: var(--sg-v2-sh-xs);
      transition: transform var(--sg-v2-t), box-shadow var(--sg-v2-t);
      cursor: default;
    }
    .sg-v2-mat-card:hover { transform: translateY(-5px); box-shadow: var(--sg-v2-sh); }
    .sg-v2-mat-card-top {
      height: 100px; display: flex; align-items: center; justify-content: center;
      font-size: 2.4rem;
    }
    .sg-v2-mat-card-body { background: var(--sg-v2-white); padding: 1rem 1.1rem; }
    .sg-v2-mat-card-body h3 {
      font-family: var(--sg-v2-font-disp); font-size: .95rem; font-weight: 700;
      color: var(--sg-v2-espresso); margin-bottom: .3rem;
    }
    .sg-v2-mat-card-body p { font-size: .82rem; color: var(--sg-v2-muted); line-height: 1.6; }
    .sg-v2-mat-card-tag {
      display: inline-block; font-size: .7rem; font-weight: 700;
      padding: .15rem .5rem; border-radius: 8px; margin-top: .5rem;
    }
    .sg-v2-mat-card-tag.gold  { background: #fef3cd; color: #7c4b00; }
    .sg-v2-mat-card-tag.green { background: #e6f7ee; color: #1a6e3d; }
    .sg-v2-mat-card-tag.blue  { background: #e6f0fa; color: #1a3a6e; }

    /* ── 服務範疇 (dark grid) ── */
    .sg-v2-svc-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(210px,1fr));
      gap: 1.2rem;
    }
    .sg-v2-svc-card {
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(249,242,230,.08);
      border-radius: var(--sg-v2-r); padding: 1.6rem 1.3rem;
      transition: background var(--sg-v2-t), transform var(--sg-v2-t);
    }
    .sg-v2-svc-card.featured { border: 2px solid var(--sg-v2-gold); background: rgba(200,151,42,.08); }
    .sg-v2-svc-card:hover { background: rgba(255,255,255,.09); transform: translateY(-3px); }
    .sg-v2-svc-ico { font-size: 1.8rem; margin-bottom: .65rem; display: block; }
    .sg-v2-svc-card h3 {
      font-family: var(--sg-v2-font-disp); font-size: 1.02rem; font-weight: 700;
      color: var(--sg-v2-white); margin-bottom: .4rem;
    }
    .sg-v2-svc-card p { font-size: .84rem; color: rgba(249,242,230,.56); line-height: 1.65; }

    /* ── 比較效益表 ── */
    .sg-v2-compare-wrap { overflow-x: auto; }
    .sg-v2-compare-table {
      width: 100%; border-collapse: collapse;
      font-size: .88rem; min-width: 560px;
    }
    .sg-v2-compare-table th {
      background: var(--sg-v2-espresso); color: var(--sg-v2-gold-lt);
      padding: .75rem 1rem; text-align: left;
      font-family: var(--sg-v2-font-disp); font-size: .95rem; font-weight: 700;
    }
    .sg-v2-compare-table th:first-child { border-radius: var(--sg-v2-r) 0 0 0; }
    .sg-v2-compare-table th:last-child  { border-radius: 0 var(--sg-v2-r) 0 0; }
    .sg-v2-compare-table td {
      padding: .7rem 1rem; border-bottom: 1px solid var(--sg-v2-border);
      color: var(--sg-v2-text); vertical-align: middle;
    }
    .sg-v2-compare-table tr:last-child td { border-bottom: none; }
    .sg-v2-compare-table tr:nth-child(even) td { background: var(--sg-v2-champagne2); }
    .sg-v2-compare-table td:first-child { font-weight: 600; color: var(--sg-v2-oak); }
    .sg-v2-pill {
      display: inline-block; padding: .15rem .5rem; border-radius: 10px;
      font-size: .76rem; font-weight: 700;
    }
    .sg-v2-pill.green { background: #e6f7ee; color: #1a7a40; }
    .sg-v2-pill.amber { background: #fef3cd; color: #7c4b00; }
    .sg-v2-pill.blue  { background: #e6f0fa; color: #1a3a6e; }

    /* ── Why Us ── */
    .sg-v2-why-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
      gap: 1.4rem;
    }
    .sg-v2-why-box {
      background: var(--sg-v2-white); border-radius: var(--sg-v2-r);
      padding: 1.7rem 1.4rem; box-shadow: var(--sg-v2-sh-xs);
      border-left: 4px solid var(--sg-v2-gold);
      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 { font-size: 1.8rem; margin-bottom: .7rem; display: block; }
    .sg-v2-why-box h3 {
      font-family: var(--sg-v2-font-disp); font-size: 1.05rem; font-weight: 700;
      color: var(--sg-v2-espresso); margin-bottom: .4rem;
    }
    .sg-v2-why-box p { font-size: .84rem; color: var(--sg-v2-muted); line-height: 1.65; }

    /* ── 流程步驟 橫列 ── */
    .sg-v2-flow-row {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr));
      gap: 1rem; position: relative;
    }
    .sg-v2-flow-row::before {
      content: '';
      position: absolute; top: 28px; left: 6%; right: 6%; height: 2px;
      background: linear-gradient(to right, var(--sg-v2-gold), var(--sg-v2-oak));
      z-index: 0;
    }
    .sg-v2-flow-card {
      text-align: center; padding: 0 .8rem;
      position: relative; z-index: 1;
    }
    .sg-v2-flow-num {
      width: 56px; height: 56px; border-radius: 50%;
      background: var(--sg-v2-white);
      border: 3px solid var(--sg-v2-gold);
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 1rem;
      font-family: var(--sg-v2-font-disp);
      font-size: 1.3rem; font-weight: 700; color: var(--sg-v2-gold);
      box-shadow: 0 4px 14px rgba(200,151,42,.22);
    }
    .sg-v2-flow-card h4 {
      font-family: var(--sg-v2-font-disp); font-size: .95rem; font-weight: 700;
      color: var(--sg-v2-espresso); margin-bottom: .35rem;
    }
    .sg-v2-flow-card p { font-size: .82rem; color: var(--sg-v2-muted); line-height: 1.65; }

    /* ── 地區 ── */
    .sg-v2-geo-grid {
      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: .9rem; line-height: 1.85; }
    .sg-v2-chips { display: flex; flex-wrap: wrap; gap: .58rem; margin-top: 1.4rem; }
    .sg-v2-chip {
      background: var(--sg-v2-white); border: 1.5px solid var(--sg-v2-oak);
      color: var(--sg-v2-oak); font-size: .83rem; font-weight: 600;
      padding: .3rem .78rem; border-radius: 20px; letter-spacing: .02em;
      transition: all var(--sg-v2-t);
    }
    .sg-v2-chip:hover { background: var(--sg-v2-oak); color: var(--sg-v2-white); border-color: var(--sg-v2-oak); }
    .sg-v2-geo-note {
      margin-top: 1.4rem; padding: 1rem 1.2rem;
      background: var(--sg-v2-champagne2); border-left: 3px solid var(--sg-v2-gold);
      border-radius: 0 var(--sg-v2-r) var(--sg-v2-r) 0;
      font-size: .87rem; color: var(--sg-v2-muted); line-height: 1.75;
    }
    .sg-v2-contact-box {
      background: var(--sg-v2-white); border-radius: var(--sg-v2-r);
      padding: 2rem; box-shadow: var(--sg-v2-sh);
    }
    .sg-v2-contact-box h3 {
      font-family: var(--sg-v2-font-disp); font-size: 1.1rem; font-weight: 700;
      color: var(--sg-v2-espresso); padding-bottom: .8rem; margin-bottom: 1.2rem;
      border-bottom: 1px solid var(--sg-v2-border);
    }
    .sg-v2-contact-row {
      display: flex; gap: .7rem; margin-bottom: .9rem;
      font-size: .9rem; align-items: flex-start;
    }
    .sg-v2-contact-ico { flex-shrink: 0; font-size: 1.05rem; margin-top: .05em; }
    .sg-v2-contact-info { color: var(--sg-v2-text); line-height: 1.65; }
    .sg-v2-contact-info a { color: var(--sg-v2-oak-lt); text-decoration: none; font-weight: 700; }
    .sg-v2-contact-info a:hover { text-decoration: underline; }
    .sg-v2-contact-note {
      margin-top: 1rem; padding: .9rem 1rem;
      background: var(--sg-v2-champagne); border-radius: var(--sg-v2-r);
      font-size: .82rem; color: var(--sg-v2-oak); line-height: 1.65;
    }

    /* ── FAQ ── */
    .sg-v2-faq-wrap { max-width: 800px; }
    .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-disp); font-size: 1.05rem; font-weight: 700;
      color: var(--sg-v2-espresso); 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-gold);
      font-size: 1.5rem; 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-fi2 .3s ease; }
    @keyframes sg-v2-fi2 { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }

    /* ── CTA ── */
    .sg-v2-cta-sec {
      background: var(--sg-v2-espresso);
      position: relative; overflow: hidden;
      padding: 6rem 5%; text-align: center;
    }
    .sg-v2-cta-sec::before {
      content: '';
      position: absolute; inset: 0;
      background:
        radial-gradient(ellipse at 25% 50%, rgba(200,151,42,.18) 0%, transparent 55%),
        radial-gradient(ellipse at 78% 50%, rgba(200,151,42,.10) 0%, transparent 48%);
    }
    /* wood grain lines overlay */
    .sg-v2-cta-sec::after {
      content: '';
      position: absolute; inset: 0;
      background: repeating-linear-gradient(
        88deg,
        transparent,
        transparent 80px,
        rgba(255,255,255,.018) 80px,
        rgba(255,255,255,.018) 82px
      );
    }
    .sg-v2-cta-inner { position: relative; z-index: 2; }
    .sg-v2-cta-sec h2 {
      font-family: var(--sg-v2-font-disp);
      font-size: clamp(1.8rem, 3.5vw, 3rem);
      color: var(--sg-v2-white); font-weight: 700;
      margin-bottom: .9rem; line-height: 1.25; letter-spacing: .02em;
    }
    .sg-v2-cta-sec p { color: rgba(249,242,230,.68); font-size: .97rem; margin-bottom: 2.8rem; }
    .sg-v2-cta-cards { display: flex; justify-content: center; gap: 1.4rem; flex-wrap: wrap; }
    .sg-v2-cta-card {
      background: rgba(255,255,255,.07); border: 1px solid rgba(200,151,42,.25);
      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(200,151,42,.12); transform: translateY(-3px); }
    .sg-v2-cta-lbl { font-size: .75rem; letter-spacing: .1em; color: rgba(249,242,230,.52); margin-bottom: .22rem; }
    .sg-v2-cta-num { font-size: 1.25rem; font-weight: 700; color: var(--sg-v2-gold-lt); letter-spacing: .02em; }
    .sg-v2-cta-sub { font-size: .8rem; color: rgba(249,242,230,.58); margin-top: .2rem; }

    /* ── FOOTER ── */
    .sg-v2-footer { background: #100900; 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,.07);
    }
    .sg-v2-footer-brand {
      font-family: var(--sg-v2-font-disp); color: var(--sg-v2-gold-lt);
      font-size: 1.2rem; font-weight: 700; margin-bottom: .65rem;
    }
    .sg-v2-footer-desc { color: rgba(249,242,230,.38); font-size: .84rem; line-height: 1.78; }
    .sg-v2-footer-col h4 {
      color: rgba(249,242,230,.85); 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(249,242,230,.40); font-size: .84rem; text-decoration: none;
      transition: color var(--sg-v2-t);
    }
    .sg-v2-footer-col ul li a:hover { color: var(--sg-v2-gold-lt); }
    .sg-v2-footer-info { list-style: none; }
    .sg-v2-footer-info li {
      color: rgba(249,242,230,.42); font-size: .84rem;
      display: flex; gap: .5rem; margin-bottom: .5rem; line-height: 1.6;
    }
    .sg-v2-footer-info li a { color: rgba(249,242,230,.52); text-decoration: none; }
    .sg-v2-footer-info li a:hover { color: var(--sg-v2-gold-lt); }
    .sg-v2-footer-btm {
      padding-top: 1.1rem; display: flex;
      justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem;
    }
    .sg-v2-footer-copy, .sg-v2-footer-kw { color: rgba(249,242,230,.25); font-size: .75rem; }

    /* ── RESPONSIVE ── */
    @media (max-width: 960px) {
      .sg-v2-hero { grid-template-columns: 1fr; min-height: auto; }
      .sg-v2-hero-right { min-height: 50vw; }
      .sg-v2-mat-panel.active { grid-template-columns: 1fr; gap: 2rem; }
      .sg-v2-mat-img { order: -1; }
      .sg-v2-geo-grid { grid-template-columns: 1fr; }
      .sg-v2-footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 680px) {
      .sg-v2-flow-row::before { display: none; }
      .sg-v2-flow-row { gap: 1.4rem; }
    }
    @media (max-width: 600px) {
      .sg-v2-topbar-nav { display: none; }
      .sg-v2-hero-left { padding: 68px 5% 60px; }
      .sg-v2-hero-ctas { flex-direction: column; }
      .sg-v2-btn-gold, .sg-v2-btn-ghost-gold { width: 100%; justify-content: center; }
      .sg-v2-material-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
      .sg-v2-footer-grid { grid-template-columns: 1fr; }
      .sg-v2-hero-material-card { display: none; }
    }